Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:32

02:19

05 OK
06 OK
07 OK
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 OK
02 OK
03 OK
04 Bad

Sun - Rise: 05:31, Set: 21:05, Transit: 13:18. Moon - Rise: 09:32, Set: 02:19. Civil Dark: 21:45 - 04:49. Nautical Dark: 22:40 - 03:54. Astro Dark: 23:57 - 02:34

Total Clouds (% Sky Obscured)

9
13
16
17
35
42
45
43
41
38
22
16
17
21
20
20
45
57
27
17
16
17
22
48

Low Clouds (% Sky Obscured)

6
13
16
17
24
27
38
38
39
38
22
16
16
20
19
19
44
52
23
17
16
15
16
22

Medium Clouds (% Sky Obscured)

7
3
1
1
2
22
21
15
6
2
2
2
3
7
6
10
10
21
13
1
1
2
5
23

High Clouds (% Sky Obscured)

0
0
0
0
16
13
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
1
6
34

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

25
16
10
14
17
17
13
18
22
27
25
17
15
24
30
25
15
12
6
6
6
5
4
5

Precipitation Amount (mm)

0.13
0.01
0.02
0.05
0.08
0.08
0.06
0.1
0.13
0.17
0.16
0.11
0.09
0.14
0.19
0.17
0.07
0.08
0.03
0.03
0.04
0.03
0.02
0.02

Wind Speed/Direction (mph)

19
19
19
19
18
18
18
18
17
17
17
16
16
17
17
17
17
18
18
18
17
16
15
14

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
12
12
12
12
12
12
11
11
11
11
11
11
11
11
11
10
10
10

Feels Like (°C)

11
11
11
11
11
11
12
12
12
12
12
12
11
11
11
11
11
11
11
11
11
10
10
7

Dew Point (°C)

10
10
10
10
10
10
11
11
11
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9

Relative Humidity (%)

94
95
95
94
94
94
94
94
93
91
89
87
88
90
91
91
90
90
91
92
91
91
92
93

Pressure (mb)

1005
1006
1006
1007
1008
1009
1009
1010
1011
1011
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

375
374
379
381
383
385
384
385
385
386
388
389
389
390
390
390
390
389
387
385
389
388
387
386

Tuesday 18

Waxing Crescent 39%

10:41

02:49

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK

Sun - Rise: 05:29, Set: 21:06, Transit: 13:18. Moon - Rise: 10:41, Set: 02:49. Civil Dark: 21:47 - 04:47. Nautical Dark: 22:42 - 03:52. Astro Dark: 00:01 - 02:30

Total Clouds (% Sky Obscured)

60
66
61
80
94
99
99
99
99
99
100
99
96
26
20
20
3
4
1
1
5
6
4
9

Low Clouds (% Sky Obscured)

36
63
38
39
47
67
43
45
44
84
97
53
22
11
19
15
3
4
1
1
5
6
3
7

Medium Clouds (% Sky Obscured)

23
34
22
20
36
37
47
84
97
97
99
98
94
6
12
11
0
0
0
0
0
1
2
5

High Clouds (% Sky Obscured)

36
14
39
67
90
98
98
98
98
97
95
74
44
19
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

7
6
6
6
17
35
39
42
48
53
55
56
49
19
9
8
9
6
12
5
3
4
8
11

Precipitation Amount (mm)

0.03
0.03
0.03
0.03
0.11
0.21
0.25
0.32
0.4
0.5
0.54
0.67
0.62
0.13
0.05
0.03
0.03
0.03
0.14
0.04
0.02
0.03
0.08
0.14

Wind Speed/Direction (mph)

13
13
12
13
15
15
16
17
17
16
16
15
15
15
14
14
13
14
14
15
15
16
16
16

Chance of Frost

Temperature (°C)

10
10
10
11
11
11
12
12
12
12
12
11
11
11
11
11
11
11
10
10
10
10
10
10

Feels Like (°C)

10
10
10
11
11
11
12
12
12
12
12
11
11
11
11
11
11
11
10
10
10
10
10
7

Dew Point (°C)

9
9
9
9
10
10
10
11
11
11
11
10
10
10
10
10
9
9
9
9
9
9
9
9

Relative Humidity (%)

94
93
93
92
91
91
92
93
94
94
94
92
91
91
92
91
90
90
92
92
92
92
92
92

Pressure (mb)

1015
1015
1014
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

385
385
394
394
395
395
393
392
399
400
401
400
400
401
392
393
392
392
391
391
391
391
391
392

Wednesday 19

First Quarter 50%

11:55

03:13

05 Bad
06 Bad
07 OK
08 OK
09 OK
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:28, Set: 21:08, Transit: 13:18. Moon - Rise: 11:55, Set: 03:13. Civil Dark: 21:48 - 04:46. Nautical Dark: 22:44 - 03:50. Astro Dark: 00:06 - 02:26

Total Clouds (% Sky Obscured)

44
41
34
21
20
33
62
32
23
20
98
99
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

25
29
22
18
17
14
19
21
20
18
16
16
13
7
4
4
4
4
4
4
4
4
4
4

Medium Clouds (% Sky Obscured)

33
33
27
12
9
8
6
6
8
9
12
10
2
0
0
0
0
0
0
0
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
1
20
52
13
0
0
98
99
99
100
100
100
100
100
100
100
56
56
56
56

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

14
10
6
6
6
4
5
5
6
5
5
5
5
5
4
3
3
4
4
3
9
7
4
3

Precipitation Amount (mm)

0.18
0.11
0.07
0.05
0.06
0.03
0.03
0.04
0.04
0.04
0.03
0.02
0.02
0.01
0.01
0.01
0.03
0.05
0.05
0.04
0.18
0.13
0.06
0.04

Wind Speed/Direction (mph)

15
15
14
14
13
13
13
13
14
14
14
14
14
14
14
14
13
12
12
12
13
12
12
12

Chance of Frost

Temperature (°C)

10
10
10
10
11
11
11
11
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
11

Feels Like (°C)

7
7
7
10
11
11
11
11
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
11

Dew Point (°C)

9
9
9
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Relative Humidity (%)

93
94
95
93
91
90
90
90
91
90
89
87
86
87
88
89
91
92
93
93
94
94
94
96

Pressure (mb)

1019
1019
1020
1021
1021
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1024
1023
1023
1023

Ozone (du)

394
395
391
391
390
390
389
387
388
382
378
372
369
365
362
360
357
355
354
352
359
359
358
357

Thursday 20

Waxing Gibbous 61%

13:11

03:33

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:27, Set: 21:09, Transit: 13:18. Moon - Rise: 13:11, Set: 03:33. Civil Dark: 21:50 - 04:45. Nautical Dark: 22:46 - 03:48. Astro Dark: 00:10 - 02:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
94
94
94
94
94
33
33
33
33

Low Clouds (% Sky Obscured)

4
4
3
3
3
3
3
3
100
100
100
100
100
100
25
25
25
25
25
25
21
21
21
21

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
2
2
2
2
2
2
0
0
0
0
0
0
26
26
26
26

High Clouds (% Sky Obscured)

56
56
95
95
95
95
95
95
24
24
24
24
24
24
92
92
92
92
92
92
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
9
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

7
10
13
8
24
36
36
25
12
16
22
15
16
12
10
10
14
20
32
20
23
17
11
14

Precipitation Amount (mm)

0.13
0.26
0.34
0.11
0.26
0.37
0.29
0.15
0.06
0.07
0.12
0.13
0.1
0.07
0.03
0.04
0.11
0.17
0.47
0.24
0.23
0.14
0.06
0.11

Wind Speed/Direction (mph)

12
13
15
16
18
19
21
22
24
29
28
28
28
27
27
27
28
27
27
27
27
27
27
26

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
12
11
12
12
12
12
12
13
13
13
12
12
12
12
11
11
11

Feels Like (°C)

11
11
11
11
11
11
11
12
11
12
12
12
12
12
13
13
13
12
12
12
12
11
11
11

Dew Point (°C)

10
10
10
11
11
11
11
11
11
11
11
11
11
11
11
12
12
12
12
11
11
11
11
11

Relative Humidity (%)

97
98
97
97
98
99
100
99
99
96
97
95
93
91
91
91
92
95
97
97
97
98
99
100

Pressure (mb)

1022
1022
1021
1022
1022
1022
1021
1021
1021
1018
1018
1018
1017
1017
1017
1016
1015
1015
1014
1013
1012
1010
1009
1008

Ozone (du)

358
359
364
362
358
356
356
356
355
354
353
353
352
352
329
328
329
333
340
349
357
363
370
374

Friday 21

Waxing Gibbous 72%

14:30

03:52

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:26, Set: 21:10, Transit: 13:18. Moon - Rise: 14:30, Set: 03:52. Civil Dark: 21:51 - 04:43. Nautical Dark: 22:48 - 03:46. Astro Dark: 00:14 - 02:17

Total Clouds (% Sky Obscured)

33
33
43
43
43
43
43
43
99
99
99
99
99
99
55
55
55
55
55
55
10
10
10
10

Low Clouds (% Sky Obscured)

21
21
26
26
26
26
26
26
48
48
48
48
48
48
22
22
22
22
22
22
8
8
8
8

Medium Clouds (% Sky Obscured)

26
26
34
34
34
34
34
34
98
98
98
98
98
98
53
53
53
53
53
53
5
5
5
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
49
49
49
49
49
49
1
1
1
1
1
1
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

13
22
24
29
21
23
24
25
33
34
36
32
28
22
16
18
31
40
43
44
46
43
38
36

Precipitation Amount (mm)

0.11
0.12
0.16
0.3
0.14
0.17
0.15
0.15
0.15
0.11
0.12
0.1
0.09
0.09
0.06
0.06
0.09
0.14
0.18
0.2
0.19
0.15
0.09
0.07

Wind Speed/Direction (mph)

26
27
25
27
28
28
30
31
33
33
33
34
35
35
38
38
38
38
38
38
38
37
36
35

Chance of Frost

Temperature (°C)

11
11
11
12
12
12
12
13
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
11

Feels Like (°C)

11
11
11
12
12
12
12
13
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
11

Dew Point (°C)

11
11
11
11
11
11
11
11
11
11
11
11
11
10
10
10
10
10
10
10
10
10
11
10

Relative Humidity (%)

100
97
97
96
93
93
92
92
92
93
94
94
93
92
90
90
91
93
94
94
95
96
97
98

Pressure (mb)

1007
1007
1008
1007
1007
1006
1005
1005
1004
1004
1003
1003
1002
1002
1001
1001
1001
1002
1001
1001
1001
1001
1001
1001

Ozone (du)

379
382
378
375
370
371
372
374
366
366
367
371
374
377
373
373
372
371
372
372
372
371
369
368

Saturday 22

Waxing Gibbous 82%

15:51

04:10

05 Bad
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 Bad
04 Bad

Sun - Rise: 05:25, Set: 21:12, Transit: 13:18. Moon - Rise: 15:51, Set: 04:10. Civil Dark: 21:53 - 04:42. Nautical Dark: 22:50 - 03:45. Astro Dark: 00:19 - 02:13

Total Clouds (% Sky Obscured)

10
10
66
66
66
66
66
66
18
18
18
18
18
18
24
24
24
24
24
24
35
35
35
35

Low Clouds (% Sky Obscured)

8
8
58
58
58
58
58
58
18
18
18
18
18
18
24
24
24
24
24
24
22
22
22
22

Medium Clouds (% Sky Obscured)

5
5
33
33
33
33
33
33
2
2
2
2
2
2
6
6
6
6
6
6
24
24
24
24

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

30
22
22
26
34
40
35
29
25
25
23
20
17
14
13
10
8
6
6
5
6
7
11
16

Precipitation Amount (mm)

0.06
0.06
0.06
0.08
0.18
0.27
0.2
0.13
0.12
0.11
0.09
0.07
0.07
0.08
0.08
0.05
0.03
0.02
0.01
0.01
0.01
0.02
0.03
0.04

Wind Speed/Direction (mph)

34
33
32
32
32
32
32
32
31
31
30
29
28
26
25
23
21
20
19
18
17
16
14
12

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
12
11
12
12
12
12
12
12
12
12
11
11
11
11
11
10
10

Feels Like (°C)

11
11
11
11
11
11
11
12
11
12
12
12
12
12
12
12
12
11
11
11
11
11
10
10

Dew Point (°C)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
10
10
10
10
10
10

Relative Humidity (%)

97
95
93
93
94
95
93
91
88
88
88
88
86
85
85
86
86
89
92
94
96
98
99
100

Pressure (mb)

1001
1002
1002
1002
1003
1003
1003
1003
1004
1004
1004
1005
1005
1005
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

368
368
368
368
367
366
367
368
369
369
369
369
370
370
370
369
368
367
368
369
371
373
375
377

Sunday 23

Waxing Gibbous 90%

17:15

04:30

05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:23, Set: 21:13, Transit: 13:18. Moon - Rise: 17:15, Set: 04:30. Civil Dark: 21:54 - 04:41. Nautical Dark: 22:52 - 03:43. Astro Dark: 00:24 - 02:08

Total Clouds (% Sky Obscured)

35
35
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

22
22
24
24
24
24
24
24
87
87
87
87
87
87
27
27
27
27
27
27
28
28
28
28

Medium Clouds (% Sky Obscured)

24
24
94
94
94
94
94
94
100
100
100
100
100
100
56
56
56
56
56
56
48
48
48
48

High Clouds (% Sky Obscured)

0
0
99
99
99
99
99
99
95
95
95
95
95
95
96
96
96
96
96
96
96
96
96
96

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

15
12
11
10
9
9
12
20
20
11
5
0
5
11
22
23
22
20
18
14
14
14
12
13

Precipitation Amount (mm)

0.04
0.04
0.03
0.04
0.07
0.09
0.09
0.1
0.11
0.06
0.01
0
0.02
0.14
0.27
0.28
0.22
0.17
0.13
0.1
0.08
0.09
0.12
0.13

Wind Speed/Direction (mph)

10
9
8
8
9
10
10
11
12
12
12
12
13
14
15
15
14
13
13
12
12
13
13
14

Chance of Frost

Temperature (°C)

10
10
10
11
11
12
12
12
12
12
13
13
13
12
12
11
11
11
11
11
11
11
11
11

Feels Like (°C)

10
10
10
11
11
12
12
12
12
12
13
13
13
12
12
11
11
11
11
11
11
11
11
11

Dew Point (°C)

10
10
10
10
10
10
11
11
11
11
11
10
10
10
11
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

100
99
97
95
92
91
91
94
95
91
87
85
86
90
94
95
97
99
100
100
100
100
100
100

Pressure (mb)

1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

378
378
379
379
379
379
379
379
379
380
380
380
380
378
376
373
369
366
362
359
357
355
354
353

Forecast for United Kingdom (50.22,-5.48)

Generated: 17/05/21 05:42:54. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+1.00