Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:17

02:13

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

Sun - Rise: 05:17, Set: 20:58, Transit: 13:07. Moon - Rise: 09:17, Set: 02:13. Civil Dark: 21:40 - 04:35. Nautical Dark: 22:37 - 03:36. Astro Dark: 00:04 - 02:06

Total Clouds (% Sky Obscured)

22
27
27
26
15
20
27
42
52
71
41
55
69
85
88
46
15
6
7
18
32
61
70
15

Low Clouds (% Sky Obscured)

22
27
27
25
15
18
16
16
10
13
17
13
15
11
5
2
3
4
6
1
2
7
9
14

Medium Clouds (% Sky Obscured)

2
0
1
2
2
5
20
35
45
63
23
42
46
33
16
4
8
4
4
17
31
59
69
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
9
38
24
37
56
81
86
44
9
2
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
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

12
13
14
9
9
9
8
9
16
24
38
38
38
32
23
22
8
6
4
0
3
5
5
4

Precipitation Amount (mm)

0.01
0.01
0.03
0.01
0.01
0.01
0.02
0.03
0.09
0.16
0.32
0.35
0.41
0.33
0.2
0.13
0.04
0.01
0.01
0
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

9
9
8
8
9
11
12
12
13
13
14
14
15
15
15
14
13
11
10
8
7
7
7
7

Chance of Frost

Temperature (°C)

8
8
8
9
10
11
12
13
14
14
14
14
13
13
13
12
12
10
9
9
8
8
8
7

Feels Like (°C)

6
6
6
7
10
11
12
13
14
14
14
14
13
13
13
12
12
10
7
7
6
6
6
6

Dew Point (°C)

7
7
8
8
10
10
11
12
12
12
11
11
11
10
10
10
9
8
7
7
7
6
6
6

Relative Humidity (%)

93
95
97
96
97
95
92
89
88
85
85
85
85
85
85
85
85
87
88
89
89
88
88
90

Pressure (mb)

1002
1003
1003
1004
1004
1005
1006
1006
1007
1008
1008
1008
1009
1009
1010
1010
1011
1011
1012
1013
1013
1012
1012
1012

Ozone (du)

382
381
383
388
391
391
386
382
381
382
385
386
387
389
391
390
390
390
391
392
393
394
394
395

Tuesday 18

Waxing Crescent 39%

10:26

02:41

04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
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 OK
01 OK
02 OK
03 OK

Sun - Rise: 05:15, Set: 21:00, Transit: 13:07. Moon - Rise: 10:26, Set: 02:41. Civil Dark: 21:41 - 04:34. Nautical Dark: 22:39 - 03:34. Astro Dark: 00:09 - 02:00

Total Clouds (% Sky Obscured)

11
15
14
24
28
40
48
55
68
55
96
95
98
98
99
99
98
97
88
62
12
28
23
18

Low Clouds (% Sky Obscured)

11
14
11
6
10
23
34
38
45
31
90
35
25
38
29
23
4
2
2
12
9
25
20
14

Medium Clouds (% Sky Obscured)

4
4
6
13
18
33
37
31
18
13
16
31
84
91
97
98
88
90
31
16
6
9
10
6

High Clouds (% Sky Obscured)

0
0
0
13
16
6
3
20
41
39
75
92
98
97
98
97
96
92
86
56
2
5
3
4

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
None
None
None
None
None
None
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
None
None
None

Precipitation Probability (%)

3
3
4
3
0
4
4
11
25
48
51
48
44
37
29
32
22
11
8
6
6
5
5
5

Precipitation Amount (mm)

0.01
0.01
0.02
0.01
0
0.01
0.02
0.1
0.23
0.43
0.44
0.48
0.56
0.44
0.27
0.29
0.2
0.07
0.04
0.02
0.02
0.02
0.02
0.03

Wind Speed/Direction (mph)

7
7
8
9
10
11
12
12
12
13
13
12
12
11
10
9
7
6
6
7
7
8
8
9

Chance of Frost

Temperature (°C)

7
8
8
9
10
12
13
13
14
13
14
13
13
13
13
13
12
11
10
9
9
9
9
9

Feels Like (°C)

5
5
6
7
10
12
13
13
14
13
14
13
13
13
13
13
12
11
10
8
7
7
6
6

Dew Point (°C)

6
7
7
8
9
9
9
10
10
11
11
10
10
10
10
11
10
9
9
8
8
8
7
8

Relative Humidity (%)

92
93
94
94
92
86
80
79
79
83
82
82
81
81
83
87
89
90
91
91
92
92
92
94

Pressure (mb)

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

Ozone (du)

395
393
390
389
388
388
387
388
391
394
395
396
398
398
398
394
395
395
396
397
398
397
398
397

Wednesday 19

First Quarter 50%

11:40

03:05

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

Sun - Rise: 05:14, Set: 21:01, Transit: 13:08. Moon - Rise: 11:40, Set: 03:05. Civil Dark: 21:43 - 04:32. Nautical Dark: 22:41 - 03:32. Astro Dark: 00:15 - 01:54

Total Clouds (% Sky Obscured)

20
5
3
7
17
22
27
27
17
19
25
27
16
2
1
1
1
1
1
1
1
1
1
1

Low Clouds (% Sky Obscured)

10
4
3
7
17
22
26
14
5
5
3
5
5
1
0
1
1
1
1
1
1
1
1
1

Medium Clouds (% Sky Obscured)

16
2
2
0
1
1
14
23
16
18
24
25
15
2
0
0
0
0
0
0
0
0
0
0

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

Precipitation Probability (%)

6
5
4
3
0
3
4
3
3
4
7
8
5
6
4
2
2
0
0
0
0
9
20
21

Precipitation Amount (mm)

0.05
0.05
0.02
0.01
0
0.01
0.01
0.01
0.02
0.05
0.13
0.2
0.19
0.21
0.1
0.03
0.01
0
0
0
0
0.08
0.12
0.1

Wind Speed/Direction (mph)

9
9
8
8
10
13
15
15
16
16
17
17
17
16
14
13
12
9
7
6
6
7
7
7

Chance of Frost

Temperature (°C)

9
9
9
9
11
12
13
14
14
15
15
15
14
14
13
13
13
11
10
9
8
8
7
7

Feels Like (°C)

6
6
7
7
11
12
13
14
14
15
15
15
14
14
13
13
13
11
8
7
7
6
5
5

Dew Point (°C)

8
8
8
9
10
10
10
9
9
9
9
8
8
8
8
8
8
8
7
7
7
7
6
6

Relative Humidity (%)

95
96
97
97
95
88
81
76
71
68
66
65
65
68
69
71
75
81
85
87
90
92
94
93

Pressure (mb)

1016
1016
1017
1018
1018
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023
1022
1023
1022

Ozone (du)

397
397
396
400
400
399
397
394
391
393
391
386
381
380
380
383
380
377
373
369
365
367
366
367

Thursday 20

Waxing Gibbous 61%

12:58

03:24

04 OK
05 Good
06 Good
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 OK
02 Bad
03 OK

Sun - Rise: 05:13, Set: 21:02, Transit: 13:08. Moon - Rise: 12:58, Set: 03:24. Civil Dark: 21:45 - 04:31. Nautical Dark: 22:43 - 03:30. Astro Dark: 00:21 - 01:48

Total Clouds (% Sky Obscured)

1
1
1
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
23
23
23

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
1
1
1
49
49
49
49
49
49
99
99
99
99
99
99
17
17
17

Medium Clouds (% Sky Obscured)

0
0
0
98
98
98
98
98
98
99
99
99
99
99
99
26
26
26
26
26
26
16
16
16

High Clouds (% Sky Obscured)

0
0
0
98
98
98
98
98
98
66
66
66
66
66
66
86
86
86
86
86
86
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

16
14
11
14
9
5
4
5
9
26
27
16
10
16
40
33
29
18
12
22
41
21
31
16

Precipitation Amount (mm)

0.09
0.07
0.05
0.07
0.06
0.06
0.05
0.08
0.18
0.31
0.22
0.11
0.07
0.1
0.25
0.25
0.19
0.11
0.07
0.12
0.26
0.21
0.39
0.16

Wind Speed/Direction (mph)

7
7
8
8
10
12
14
15
16
15
16
17
18
18
19
17
18
19
19
19
19
18
18
18

Chance of Frost

Temperature (°C)

7
7
7
8
10
12
13
14
14
14
14
14
14
13
11
12
12
12
12
12
11
11
11
11

Feels Like (°C)

4
4
4
6
7
12
13
14
14
14
14
14
14
13
11
12
12
12
12
12
11
11
11
11

Dew Point (°C)

6
6
7
8
9
9
9
10
10
10
10
11
10
10
10
10
10
10
9
10
10
10
11
11

Relative Humidity (%)

94
96
98
99
96
87
79
77
78
80
78
77
78
84
91
91
89
86
85
88
93
94
95
95

Pressure (mb)

1022
1022
1021
1020
1020
1019
1019
1018
1018
1017
1016
1016
1015
1016
1016
1019
1018
1017
1016
1015
1014
1013
1011
1010

Ozone (du)

366
366
364
364
362
361
360
360
361
361
359
356
354
353
351
331
329
330
332
333
336
348
352
360

Friday 21

Waxing Gibbous 72%

14:18

03:42

04 OK
05 OK
06 OK
07 Bad
08 OK
09 OK
10 OK
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

Sun - Rise: 05:12, Set: 21:04, Transit: 13:08. Moon - Rise: 14:18, Set: 03:42. Civil Dark: 21:46 - 04:29. Nautical Dark: 22:45 - 03:28. Astro Dark: 00:28 - 01:40

Total Clouds (% Sky Obscured)

23
23
23
26
26
26
26
26
26
88
88
88
88
88
88
97
97
97
97
97
97
50
50
50

Low Clouds (% Sky Obscured)

17
17
17
6
6
6
6
6
6
38
38
38
38
38
38
78
78
78
78
78
78
26
26
26

Medium Clouds (% Sky Obscured)

16
16
16
22
22
22
22
22
22
81
81
81
81
81
81
95
95
95
95
95
95
45
45
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
73
73
73
73
73
73
36
36
36
36
36
36
0
0
0

ISS Passover

Visibility (miles)

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

22
15
17
20
13
11
13
22
31
37
50
52
54
53
55
47
48
50
54
58
61
61
60
55

Precipitation Amount (mm)

0.19
0.12
0.13
0.14
0.06
0.08
0.09
0.18
0.29
0.36
0.41
0.37
0.33
0.28
0.31
0.32
0.34
0.36
0.4
0.4
0.37
0.34
0.28
0.22

Wind Speed/Direction (mph)

18
18
17
16
16
18
20
21
21
22
23
23
23
22
22
24
24
23
23
24
24
24
24
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
96
95
91
86
82
79
79
81
83
85
86
89
83
86
88
90
92
94
95
96
96

Pressure (mb)

1009
1008
1008
1009
1008
1007
1006
1005
1005
1004
1003
1002
1002
1001
1001
1000
1000
1000
999
999
999
998
998
998

Ozone (du)

365
370
373
370
373
374
373
367
370
366
365
365
365
366
368
372
372
371
371
370
368
367
367
367

Saturday 22

Waxing Gibbous 82%

15:40

03:59

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 OK
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 OK
02 OK
03 OK

Sun - Rise: 05:10, Set: 21:05, Transit: 13:08. Moon - Rise: 15:40, Set: 03:59. Civil Dark: 21:48 - 04:28. Nautical Dark: 22:47 - 03:26. Astro Dark: 00:36 - 01:29

Total Clouds (% Sky Obscured)

50
50
50
20
20
20
20
20
20
55
55
55
55
55
55
37
37
37
37
37
37
15
15
15

Low Clouds (% Sky Obscured)

26
26
26
16
16
16
16
16
16
23
23
23
23
23
23
17
17
17
17
17
17
13
13
13

Medium Clouds (% Sky Obscured)

45
45
45
15
15
15
15
15
15
50
50
50
50
50
50
26
26
26
26
26
26
4
4
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
18
18
18
18
18
1
1
1

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 (%)

48
39
32
27
24
24
25
25
24
28
35
41
46
47
49
46
37
22
13
10
9
9
9
13

Precipitation Amount (mm)

0.17
0.13
0.1
0.09
0.09
0.11
0.14
0.15
0.16
0.17
0.16
0.14
0.14
0.17
0.22
0.22
0.15
0.06
0.02
0.01
0.01
0.01
0.01
0.03

Wind Speed/Direction (mph)

24
25
26
26
27
27
26
26
26
25
25
25
24
23
22
21
20
19
18
17
16
15
14
14

Chance of Frost

Temperature (°C)

11
11
11
11
12
12
13
14
14
14
13
13
12
12
12
12
12
12
12
11
11
10
10
10

Feels Like (°C)

11
11
11
11
12
12
13
14
14
14
13
13
12
12
12
12
12
12
12
11
11
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

96
95
94
92
91
88
86
84
83
84
85
87
89
87
84
82
83
85
87
88
90
91
92
93

Pressure (mb)

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

Ozone (du)

367
366
366
365
365
366
366
366
365
365
365
366
367
367
367
367
368
368
368
368
367
367
367
368

Sunday 23

Waxing Gibbous 90%

17:05

03:59

04 OK
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

Sun - Rise: 05:09, Set: 21:06, Transit: 13:08. Moon - Rise: 17:05, Set: 03:59. Civil Dark: 21:49 - 04:26. Nautical Dark: 22:50 - 03:24. Astro Dark: 00:46 - N/A

Total Clouds (% Sky Obscured)

15
15
15
98
98
98
98
98
98
97
97
97
97
97
97
96
96
96
96
96
96
87
87
87

Low Clouds (% Sky Obscured)

13
13
13
8
8
8
8
8
8
32
32
32
32
32
32
17
17
17
17
17
17
11
11
11

Medium Clouds (% Sky Obscured)

4
4
4
18
18
18
18
18
18
95
95
95
95
95
95
42
42
42
42
42
42
14
14
14

High Clouds (% Sky Obscured)

1
1
1
98
98
98
98
98
98
58
58
58
58
58
58
94
94
94
94
94
94
84
84
84

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

Precipitation Probability (%)

13
11
8
6
4
4
5
5
4
4
4
5
6
6
4
3
0
0
0
2
6
14
21
29

Precipitation Amount (mm)

0.04
0.03
0.02
0.02
0.01
0.02
0.02
0.03
0.02
0.02
0.03
0.05
0.06
0.05
0.02
0.01
0
0
0
0.01
0.08
0.18
0.31
0.51

Wind Speed/Direction (mph)

14
13
12
12
11
11
11
11
11
11
11
11
11
10
8
7
7
6
6
6
5
5
5
4

Chance of Frost

Temperature (°C)

10
10
10
10
11
12
13
14
15
16
16
16
15
14
14
14
14
13
12
11
10
9
9
9

Feels Like (°C)

10
7
7
10
11
12
13
14
15
16
16
16
15
14
14
14
14
13
12
11
9
8
8
8

Dew Point (°C)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
9
9
9
9
9
9
8
8

Relative Humidity (%)

93
93
93
92
87
81
76
72
68
66
64
66
68
70
69
70
73
77
82
86
92
95
97
99

Pressure (mb)

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

Ozone (du)

369
369
369
370
371
373
375
376
376
377
377
376
376
376
375
374
374
374
374
370
366
362
360
358

Forecast for Othery, Somerset, UK (51.08,-2.88)

Generated: 17/05/21 04:02:16. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+1.00