Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:24

02:19

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 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 Bad
04 Bad

Sun - Rise: 05:24, Set: 21:04, Transit: 13:14. Moon - Rise: 09:24, Set: 02:19. Civil Dark: 21:46 - 04:41. Nautical Dark: 22:42 - 03:44. Astro Dark: 00:08 - 02:15

Total Clouds (% Sky Obscured)

19
35
58
59
72
68
59
46
38
86
81
35
44
52
41
23
11
25
52
43
20
19
33
61

Low Clouds (% Sky Obscured)

17
33
52
54
57
30
35
37
23
38
21
17
43
52
41
9
4
23
48
41
20
14
27
49

Medium Clouds (% Sky Obscured)

10
15
23
41
46
64
52
27
3
0
1
2
0
0
1
16
8
8
21
10
3
12
21
31

High Clouds (% Sky Obscured)

0
0
2
0
0
0
0
0
25
78
77
23
6
0
0
0
0
0
8
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
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
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 (%)

28
31
33
33
31
32
36
39
41
42
37
23
10
13
12
11
11
15
22
25
22
17
12
8

Precipitation Amount (mm)

0.12
0.01
0.23
0.29
0.4
0.42
0.43
0.43
0.42
0.38
0.26
0.12
0.05
0.07
0.08
0.08
0.06
0.1
0.18
0.26
0.24
0.21
0.13
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
11
11
11
12
12
12
12
11
11
11
11
11
10
10
10
10
10
9
9
9
9

Feels Like (°C)

8
8
10
11
11
11
12
12
12
12
11
11
11
11
11
10
10
7
7
7
6
6
6
7

Dew Point (°C)

9
9
9
9
10
10
10
11
11
11
10
10
9
9
9
9
8
8
8
8
8
8
8
8

Relative Humidity (%)

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

Pressure (mb)

1003
1004
1005
1006
1006
1007
1008
1008
1009
1010
1010
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

387
389
391
388
385
383
386
389
387
387
387
387
388
388
389
390
391
392
391
390
394
393
391
389

Tuesday 18

Waxing Crescent 39%

10:33

02:48

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 OK
21 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:22, Set: 21:06, Transit: 13:14. Moon - Rise: 10:33, Set: 02:48. Civil Dark: 21:47 - 04:39. Nautical Dark: 22:45 - 03:42. Astro Dark: 00:13 - 02:09

Total Clouds (% Sky Obscured)

36
43
50
66
66
47
48
94
98
99
99
100
100
99
70
25
20
18
24
13
33
31
41
29

Low Clouds (% Sky Obscured)

33
28
37
55
58
42
38
27
51
45
53
62
51
38
23
21
18
12
22
13
27
19
27
24

Medium Clouds (% Sky Obscured)

12
7
34
35
35
24
27
20
25
72
92
98
99
98
41
13
5
4
7
2
16
25
13
13

High Clouds (% Sky Obscured)

3
20
4
3
0
4
4
91
95
99
98
98
99
97
59
6
2
6
0
0
0
0
20
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

None
Very Light Rain
Very Light Rain
Very Light Rain
Very 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
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

Precipitation Probability (%)

5
7
12
22
43
53
53
51
45
31
19
18
18
14
12
12
10
8
9
11
21
21
22
23

Precipitation Amount (mm)

0.04
0.04
0.07
0.13
0.37
0.58
0.58
0.55
0.49
0.29
0.23
0.22
0.18
0.12
0.1
0.08
0.06
0.05
0.06
0.09
0.31
0.37
0.43
0.37

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
10
10
10
10
11
11
12
12
12
12
12
12
11
11
11
10
10
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

8
8
9
9
9
10
10
10
11
10
10
10
10
10
10
9
9
9
9
9
8
8
8
8

Relative Humidity (%)

91
92
93
92
92
92
92
92
91
90
88
87
88
89
91
91
91
90
91
92
91
89
89
90

Pressure (mb)

1013
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

386
384
388
389
391
395
396
397
401
401
402
401
401
402
396
395
395
396
397
399
398
398
398
397

Wednesday 19

First Quarter 50%

11:48

03:11

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

Sun - Rise: 05:21, Set: 21:07, Transit: 13:14. Moon - Rise: 11:48, Set: 03:11. Civil Dark: 21:49 - 04:38. Nautical Dark: 22:47 - 03:40. Astro Dark: 00:19 - 02:04

Total Clouds (% Sky Obscured)

24
31
20
21
37
29
23
22
19
16
15
20
14
10
6
6
6
6
6
6
98
98
98
98

Low Clouds (% Sky Obscured)

20
31
20
20
31
18
20
15
16
15
14
20
14
10
5
5
5
5
5
5
6
6
6
6

Medium Clouds (% Sky Obscured)

17
1
5
13
25
22
15
18
11
6
4
2
1
0
0
0
0
0
0
0
50
50
50
50

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
97
97
97
97

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

Precipitation Probability (%)

17
12
5
5
6
9
6
7
10
8
6
5
4
4
4
5
5
5
6
6
12
12
5
4

Precipitation Amount (mm)

0.21
0.12
0.07
0.05
0.06
0.09
0.06
0.08
0.09
0.07
0.05
0.04
0.03
0.03
0.02
0.02
0.02
0.03
0.04
0.04
0.1
0.08
0.03
0.01

Wind Speed/Direction (mph)

14
14
14
14
14
14
14
14
15
15
15
14
14
15
14
13
12
12
11
12
13
12
12
12

Chance of Frost

Temperature (°C)

10
10
10
10
10
11
11
11
11
11
11
12
12
12
12
11
11
10
10
10
10
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
89
89
88
88
88
88
89
89
87
84
84
85
85
88
90
92
93
93
92
93
93
95

Pressure (mb)

1017
1018
1019
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1024
1024
1024
1023
1023
1023
1023

Ozone (du)

398
397
398
397
394
392
391
389
391
389
386
384
380
376
373
371
367
363
359
357
366
366
364
364

Thursday 20

Waxing Gibbous 61%

13:05

03:31

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: 05:20, Set: 21:09, Transit: 13:14. Moon - Rise: 13:05, Set: 03:31. Civil Dark: 21:51 - 04:36. Nautical Dark: 22:49 - 03:38. Astro Dark: 00:25 - 01:57

Total Clouds (% Sky Obscured)

98
98
99
99
99
99
99
99
100
100
100
100
100
100
97
97
97
97
97
97
35
35
35
35

Low Clouds (% Sky Obscured)

6
6
2
2
2
2
2
2
100
100
100
100
100
100
41
41
41
41
41
41
28
28
28
28

Medium Clouds (% Sky Obscured)

50
50
98
98
98
98
98
98
94
94
94
94
94
94
1
1
1
1
1
1
16
16
16
16

High Clouds (% Sky Obscured)

97
97
98
98
98
98
98
98
1
1
1
1
1
1
95
95
95
95
95
95
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
8
8
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

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
Light Rain
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 (%)

4
4
6
8
9
15
21
29
41
27
46
52
49
39
20
18
18
19
29
30
30
19
20
16

Precipitation Amount (mm)

0.01
0.02
0.07
0.12
0.19
0.23
0.22
0.25
0.33
0.18
0.39
0.55
0.48
0.33
0.11
0.09
0.1
0.13
0.31
0.33
0.35
0.09
0.13
0.1

Wind Speed/Direction (mph)

12
13
14
15
17
17
18
19
18
21
23
25
26
26
25
25
25
25
25
26
27
27
28
28

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
10
10
11
11
12
12
12
12
12
12
11
12
13
13
13
12
12
11
11
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

97
98
97
95
92
91
91
92
95
92
92
92
90
88
87
88
89
92
95
95
95
95
95
97

Pressure (mb)

1023
1023
1022
1022
1021
1021
1020
1020
1020
1016
1016
1016
1016
1016
1016
1016
1015
1014
1013
1012
1011
1010
1009
1008

Ozone (du)

363
364
365
365
362
359
357
357
355
355
353
351
350
349
331
331
333
336
339
344
360
366
368
373

Friday 21

Waxing Gibbous 72%

14:25

03:49

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 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:19, Set: 21:10, Transit: 13:14. Moon - Rise: 14:25, Set: 03:49. Civil Dark: 21:52 - 04:35. Nautical Dark: 22:51 - 03:36. Astro Dark: 00:31 - 01:50

Total Clouds (% Sky Obscured)

35
35
48
48
48
48
48
48
100
100
100
100
100
100
100
100
100
100
100
100
27
27
27
27

Low Clouds (% Sky Obscured)

28
28
28
28
28
28
28
28
88
88
88
88
88
88
84
84
84
84
84
84
18
18
18
18

Medium Clouds (% Sky Obscured)

16
16
27
27
27
27
27
27
100
100
100
100
100
100
100
100
100
100
100
100
20
20
20
20

High Clouds (% Sky Obscured)

0
0
21
21
21
21
21
21
74
74
74
74
74
74
48
48
48
48
48
48
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
9
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

22
29
25
25
28
24
30
44
45
48
45
49
46
53
60
61
61
61
64
68
70
67
60
50

Precipitation Amount (mm)

0.1
0.13
0.15
0.11
0.17
0.12
0.13
0.18
0.18
0.17
0.12
0.13
0.14
0.23
0.4
0.36
0.26
0.23
0.33
0.53
0.63
0.46
0.23
0.12

Wind Speed/Direction (mph)

27
28
25
26
27
29
30
31
32
33
34
34
35
35
37
38
38
39
39
39
39
39
39
39

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
97
95
93
92
93
93
93
93
94
94
95
93
94
93
92
92
93
95
97
98
98
99
99

Pressure (mb)

1007
1006
1007
1006
1006
1005
1004
1004
1003
1002
1001
1001
1000
1000
999
999
999
998
998
998
998
998
998
998

Ozone (du)

375
377
375
375
370
365
368
368
365
366
367
368
369
370
369
369
368
367
367
367
366
366
365
365

Saturday 22

Waxing Gibbous 82%

15:47

04:06

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: 05:17, Set: 21:11, Transit: 13:14. Moon - Rise: 15:47, Set: 04:06. Civil Dark: 21:54 - 04:34. Nautical Dark: 22:53 - 03:34. Astro Dark: 00:38 - 01:41

Total Clouds (% Sky Obscured)

27
27
64
64
64
64
64
64
20
20
20
20
20
20
56
56
56
56
56
56
52
52
52
52

Low Clouds (% Sky Obscured)

18
18
56
56
56
56
56
56
18
18
18
18
18
18
25
25
25
25
25
25
45
45
45
45

Medium Clouds (% Sky Obscured)

20
20
29
29
29
29
29
29
3
3
3
3
3
3
41
41
41
41
41
41
29
29
29
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
9
8
8
8
9
10
10
10
10
10
10
10
9
7
8
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 (%)

48
48
43
45
51
53
50
45
43
48
53
53
46
39
30
23
21
20
22
27
29
30
31
27

Precipitation Amount (mm)

0.1
0.12
0.14
0.17
0.24
0.29
0.24
0.17
0.17
0.21
0.28
0.3
0.25
0.16
0.1
0.06
0.04
0.03
0.04
0.06
0.09
0.12
0.14
0.15

Wind Speed/Direction (mph)

38
37
37
36
36
35
35
34
34
33
32
31
30
29
29
27
26
25
24
24
23
21
20
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
95
95
95
96
95
95
96
95
95
94
91
90
89
88
88
90
91
92
93
94
95
96

Pressure (mb)

998
998
999
999
1000
1000
1001
1001
1001
1001
1002
1002
1002
1003
1003
1004
1005
1005
1005
1006
1006
1006
1006
1006

Ozone (du)

365
366
366
366
366
366
366
366
366
366
367
367
368
369
371
372
373
373
372
370
369
369
370
371

Sunday 23

Waxing Gibbous 90%

17:12

04:25

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: 05:16, Set: 21:13, Transit: 13:14. Moon - Rise: 17:12, Set: 04:25. Civil Dark: 21:55 - 04:32. Nautical Dark: 22:55 - 03:32. Astro Dark: 00:47 - 01:28

Total Clouds (% Sky Obscured)

52
52
98
98
98
98
98
98
100
100
100
100
100
100
95
95
95
95
95
95
95
95
95
95

Low Clouds (% Sky Obscured)

45
45
26
26
26
26
26
26
25
25
25
25
25
25
34
34
34
34
34
34
40
40
40
40

Medium Clouds (% Sky Obscured)

29
29
91
91
91
91
91
91
100
100
100
100
100
100
45
45
45
45
45
45
56
56
56
56

High Clouds (% Sky Obscured)

0
0
95
95
95
95
95
95
92
92
92
92
92
92
90
90
90
90
90
90
86
86
86
86

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

Precipitation Probability (%)

22
17
12
10
9
8
5
3
3
3
4
5
8
19
23
13
6
0
0
4
5
5
0
0

Precipitation Amount (mm)

0.11
0.07
0.04
0.03
0.02
0.02
0.01
0.02
0.02
0.02
0.02
0.03
0.06
0.13
0.16
0.09
0.02
0
0
0.01
0.02
0.01
0
0

Wind Speed/Direction (mph)

16
15
13
11
10
9
9
9
9
9
9
10
11
12
13
13
13
13
12
11
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
92
91
89
88
85
82
81
82
85
88
87
87
87
88
90
93
96
97
98
99
100
100

Pressure (mb)

1006
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1009
1008
1008
1008
1008
1008
1009
1009
1008
1008
1008
1008
1008

Ozone (du)

372
373
373
375
377
377
377
377
376
375
374
374
376
378
378
375
370
366
364
361
360
358
356
355

Forecast for Hartland, Devon, UK (50.99,-4.53)

Generated: 17/05/21 05:33:08. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+1.00