Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 86%

16:03

04:22

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

Sun - Rise: 05:55, Set: 20:29, Transit: 13:12. Moon - Rise: 16:03, Set: 04:22. Civil Dark: 21:06 - 05:19. Nautical Dark: 21:52 - 04:32. Astro Dark: 22:47 - 03:37

Total Clouds (% Sky Obscured)

80
60
50
47
24
26
10
10
3
0
3
7
12
42
25
22
15
39
46
66
71
61
53
56

Low Clouds (% Sky Obscured)

2
2
4
2
3
4
6
9
2
0
0
1
9
30
3
4
0
0
0
15
31
31
49
46

Medium Clouds (% Sky Obscured)

35
31
31
36
19
18
3
0
0
0
3
4
0
3
0
2
15
28
32
66
40
29
35
38

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
4
7
25
22
7
39
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
9
0
0
0
0
0
0
0
0
0
3
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
4
4
5
4
4
7
8
9
9
8
9
8
7
4
2
4
7
7
8
12
11
11

Chance of Frost

Temperature (°C)

8
7
6
5
6
9
14
15
17
18
18
19
19
19
19
18
17
15
13
12
12
12
10
11

Feels Like (°C)

5
5
5
4
6
10
14
15
16
17
19
19
19
18
18
17
16
13
12
11
9
10
7
10

Dew Point (°C)

-2
-3
-3
-3
1
4
7
9
10
11
12
12
11
11
12
12
13
13
12
11
9
9
7
10

Relative Humidity (%)

50
50
53
56
67
69
65
65
65
66
65
63
60
60
64
67
78
87
92
93
81
80
83
95

Pressure (mb)

1024
1024
1024
1024
1024
1024
1025
1025
1025
1024
1024
1024
1024
1023
1023
1023
1022
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

373
377
381
382
381
380
378
377
374
375
374
372
370
370
366
367
367
367
367
368
372
377
384
392

Tuesday 28

Waxing Gibbous 93%

17:17

04:34

03 Bad
04 Bad
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 OK
23 OK
00 OK
01 Good
02 Bad

Sun - Rise: 05:54, Set: 20:31, Transit: 13:12. Moon - Rise: 17:17, Set: 04:34. Civil Dark: 21:07 - 05:17. Nautical Dark: 21:54 - 04:30. Astro Dark: 22:50 - 03:34

Total Clouds (% Sky Obscured)

58
60
67
59
65
83
92
66
95
100
98
66
64
69
81
71
82
63
48
29
17
15
1
45

Low Clouds (% Sky Obscured)

52
60
55
37
50
66
84
58
90
100
96
61
45
43
26
40
13
5
3
0
0
0
0
1

Medium Clouds (% Sky Obscured)

22
0
0
0
0
28
30
7
43
41
74
4
42
51
50
52
75
53
27
29
17
15
0
10

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
0
2
45
40
1
1
18
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
5
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
1
0
2
2
2
3
4
15
18
13
3
21
24
25
25
21
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
15
16
17
15
15
18
18
19
18
19
18
19
18
19
17
17
17
18
18
18
18
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
6
3
3
4
5
6
6
6
6
6
8
8
9
9
8
8
6
6
6
5
3
3

Dew Point (°C)

10
10
8
7
7
7
8
9
9
9
8
8
8
7
9
9
9
10
7
7
5
4
4
3

Relative Humidity (%)

96
98
96
91
88
88
87
87
87
86
84
79
70
63
70
73
77
80
76
77
72
72
74
75

Pressure (mb)

1023
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1021
1021
1022
1022
1022
1022
1021
1021

Ozone (du)

397
404
410
416
420
423
418
417
418
420
422
420
418
419
420
422
424
430
433
433
425
420
417
414

Wednesday 29

Waxing Gibbous 97%

18:30

04:46

03 Bad
04 Bad
05 Bad
06 OK
07 OK
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

Sun - Rise: 05:52, Set: 20:32, Transit: 13:12. Moon - Rise: 18:30, Set: 04:46. Civil Dark: 21:09 - 05:15. Nautical Dark: 21:57 - 04:28. Astro Dark: 22:53 - 03:31

Total Clouds (% Sky Obscured)

56
61
58
26
35
55
71
79
66
82
68
65
100
67
68
100
95
100
100
90
100
100
97
95

Low Clouds (% Sky Obscured)

2
10
6
11
19
0
8
1
1
19
21
9
2
2
0
0
0
0
14
20
20
17
20
20

Medium Clouds (% Sky Obscured)

25
15
39
26
11
35
25
32
46
45
34
27
86
30
31
6
8
38
52
52
51
48
42
50

High Clouds (% Sky Obscured)

0
0
0
0
0
1
50
62
55
62
25
30
64
59
61
100
92
100
100
55
99
100
92
84

ISS Passover

Visibility (miles)

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

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
2
0
0
0
0
0
1
2
0
0
0
0
0
0
0
1
6
32
33
32
37
47

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
16
16
17
18
20
22
24
25
25
25
26
26
25
25
23
23
23
24
23
22
22
21
20

Chance of Frost

Temperature (°C)

7
7
7
7
7
8
10
12
14
16
17
18
18
17
16
16
15
14
14
13
13
13
12
12

Feels Like (°C)

1
1
2
2
2
2
3
6
7
9
10
10
10
10
10
9
9
7
6
6
7
7
7
8

Dew Point (°C)

3
3
3
3
4
5
7
8
10
11
12
12
13
12
12
11
11
9
8
8
10
11
10
11

Relative Humidity (%)

78
76
75
78
81
79
77
75
73
73
72
70
72
73
73
74
75
73
68
69
81
86
86
89

Pressure (mb)

1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1017
1017
1017
1017

Ozone (du)

413
413
412
408
402
397
393
387
385
381
378
375
371
367
366
365
363
362
362
363
363
363
362
361

Thursday 30

Waxing Gibbous 99%

19:43

04:59

03 Bad
04 Bad
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

Sun - Rise: 05:50, Set: 20:34, Transit: 13:12. Moon - Rise: 19:43, Set: 04:59. Civil Dark: 21:11 - 05:13. Nautical Dark: 21:59 - 04:25. Astro Dark: 22:56 - 03:28

Total Clouds (% Sky Obscured)

91
94
97
100
93
97
96
89
82
78
74
61
45
42
48
59
72
82
85
97
100
100
100
79

Low Clouds (% Sky Obscured)

20
20
30
30
22
30
25
18
12
14
20
15
10
10
10
10
21
36
52
58
57
54
59
49

Medium Clouds (% Sky Obscured)

68
55
41
59
40
45
20
27
14
36
40
35
45
42
21
29
30
30
28
29
30
35
30
35

High Clouds (% Sky Obscured)

75
83
93
92
65
88
95
84
73
54
40
30
30
33
26
29
57
63
40
73
70
67
70
72

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
4
9
9
9
9
9
9
9
9
9
9
9

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

31
34
43
37
19
17
8
1
0
2
8
37
37
28
15
2
0
0
0
0
1
1
9
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
18
17
17
18
19
20
22
22
22
21
19
18
17
15
13
11
8
6
4
4
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
88
88
88
88
87
83
75
74
74
79
89
95
95
95
93
95
93
95
95
92
92
89

Pressure (mb)

1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019

Ozone (du)

362
363
363
364
364
363
364
364
364
363
362
362
361
363
363
364
365
366
367
364
363
361
359
357

Friday 1

Full Moon 100%

20:56

05:13

03 Bad
04 Bad
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

Sun - Rise: 05:48, Set: 20:36, Transit: 13:12. Moon - Rise: 20:56, Set: 05:13. Civil Dark: 21:13 - 05:11. Nautical Dark: 22:01 - 04:23. Astro Dark: 22:59 - 03:24

Total Clouds (% Sky Obscured)

48
49
54
58
73
69
67
77
72
79
77
78
86
93
92
84
91
92
89
89
83
76
79
75

Low Clouds (% Sky Obscured)

32
35
45
55
56
55
52
57
67
73
72
69
64
44
22
0
9
18
27
32
36
42
46
46

Medium Clouds (% Sky Obscured)

40
41
50
45
50
60
65
65
65
65
55
46
36
24
10
0
5
5
5
10
40
40
40
30

High Clouds (% Sky Obscured)

48
49
53
40
52
49
56
70
72
79
77
78
86
93
92
84
85
86
88
85
83
76
55
38

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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

Precipitation Probability (%)

22
61
80
93
87
75
44
54
62
66
68
61
45
28
16
6
0
0
0
0
0
0
6
8

Precipitation Amount (mm)

0
0.4
0.6
0.8
0.7
0.5
0
0
0.3
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
3
3
2
2
3
4
4
5
5
6
7
8
8
8
8
6
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
10
10
10
12
13
13
14
14
14
15
15
14
12
12
11
12
12
12
10
9
8
6

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
93
91
84
76
71
65
62
60
60
61
65
67
70
77
81
87
90
91
90
91
91

Pressure (mb)

1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1019
1020
1020
1020
1020
1020
1021
1020
1020
1020
1020

Ozone (du)

356
356
355
354
353
353
353
352
352
351
351
352
353
352
352
353
353
353
353
354
355
356
357
357

Saturday 2

Waning Gibbous 98%

22:09

05:32

03 Bad
04 Bad
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

Sun - Rise: 05:46, Set: 20:37, Transit: 13:12. Moon - Rise: 22:09, Set: 05:32. Civil Dark: 21:15 - 05:09. Nautical Dark: 22:03 - 04:20. Astro Dark: 23:02 - 03:21

Total Clouds (% Sky Obscured)

71
52
38
33
55
61
76
85
89
92
90
90
91
90
91
91
91
90
91
92
93
95
96
98

Low Clouds (% Sky Obscured)

49
43
37
33
47
55
62
55
50
48
50
56
64
69
72
74
71
73
78
79
80
81
84
86

Medium Clouds (% Sky Obscured)

20
20
15
15
20
25
35
40
44
35
34
31
29
42
56
70
76
76
75
77
80
85
86
84

High Clouds (% Sky Obscured)

30
36
38
33
55
61
76
85
84
76
51
29
10
5
5
5
5
5
5
0
0
5
5
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

10
21
22
15
29
37
42
47
40
19
19
18
16
18
18
20
18
16
12
22
25
24
31
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
3
3
3
4
6
8
9
11
12
11
10
10
9
9
8
7
7
6
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
5
5
5
7
8
8
8
9
9
13
12
12
12
11
11
9
9
9
8
8
7
6

Dew Point (°C)

6
5
5
6
6
7
8
8
8
8
8
8
9
9
10
10
10
9
8
7
7
7
7
7

Relative Humidity (%)

91
90
90
91
91
87
83
77
72
69
64
68
71
76
79
83
86
88
90
93
93
93
93
93

Pressure (mb)

1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014

Ozone (du)

357
358
359
360
361
362
363
364
364
365
366
367
368
369
370
371
373
374
376
377
380
382
384
386

Sunday 3

Waning Gibbous 95%

23:19

05:56

03 Bad
04 Bad
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

Sun - Rise: 05:45, Set: 20:39, Transit: 13:12. Moon - Rise: 23:19, Set: 05:56. Civil Dark: 21:16 - 05:07. Nautical Dark: 22:05 - 04:18. Astro Dark: 23:06 - 03:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
97
94
93
92
94
96
97
97
98
99
100
82
65
45

Low Clouds (% Sky Obscured)

97
89
83
77
77
73
68
73
78
83
84
89
90
87
84
82
85
86
84
73
62
45

Medium Clouds (% Sky Obscured)

86
82
77
73
75
66
50
43
41
40
26
13
0
14
28
52
53
54
65
45
26
6

High Clouds (% Sky Obscured)

5
37
70
100
100
100
100
72
42
12
5
2
0
30
63
95
70
40
30
27
25
22

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Probability (%)

25
39
39
35
41
37
37
46
47
60
62
54
48
45
28
10
13
12
4
9
14
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0.3
0.4
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
8
9
10
11
12
14
14
13
11
11
11
11
10
9
9
8
7
6
5
5

Chance of Frost

Temperature (°C)

8
8
8
9
8
8
9
9
10
10
10
11
11
12
11
11
11
10
10
9
9
8

Feels Like (°C)

5
5
6
7
6
5
6
6
7
6
7
9
8
9
9
9
9
9
8
8
8
8

Dew Point (°C)

8
8
8
8
7
7
7
7
7
7
7
8
8
8
8
8
8
8
7
6
7
6

Relative Humidity (%)

95
95
95
96
95
91
90
87
84
81
80
80
79
79
80
81
81
83
84
85
88
91

Pressure (mb)

1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013

Ozone (du)

387
388
389
389
390
389
389
388
385
383
380
379
378
376
376
377
377
376
374
373
373
372

Forecast for Widecombe in the Moor, Devon, United Kingdom (50.58,-3.81)

Generated: 27/04/26 03:13:40. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+1.00