Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 86%

16:02

04:21

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

Sun - Rise: 05:54, Set: 20:28, Transit: 13:11. Moon - Rise: 16:02, Set: 04:21. Civil Dark: 21:05 - 05:17. Nautical Dark: 21:52 - 04:30. Astro Dark: 22:48 - 03:32

Total Clouds (% Sky Obscured)

70
67
58
46
28
46
49
61
27
38
27
28
0
0
32
37
52
84
86
81
58
61
47
44

Low Clouds (% Sky Obscured)

16
21
16
12
10
2
1
1
1
14
14
0
0
0
0
0
6
30
34
38
58
52
46
44

Medium Clouds (% Sky Obscured)

46
26
39
30
18
30
29
30
16
18
8
17
0
0
32
37
25
84
48
22
23
29
16
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
4
0
0
0
32
5
15
0
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
1
0
1
1
0
0
0
0
0
4
14
6
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)

3
3
3
3
3
3
2
4
6
5
6
7
8
7
7
7
8
6
8
12
12
10
11
12

Chance of Frost

Temperature (°C)

6
5
4
5
8
12
15
17
18
19
19
20
20
19
19
18
15
13
13
13
12
11
10
10

Feels Like (°C)

5
3
4
4
7
12
15
18
19
20
20
19
19
19
18
17
14
13
10
9
9
9
8
8

Dew Point (°C)

2
1
-1
0
2
5
8
11
12
12
11
11
11
11
13
14
13
12
10
8
8
9
9
9

Relative Humidity (%)

72
72
72
72
69
65
65
66
65
63
59
56
56
57
68
77
85
89
80
70
76
91
95
96

Pressure (mb)

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

Ozone (du)

376
379
381
381
379
377
375
374
377
376
374
373
370
369
371
371
371
374
376
381
388
394
400
405

Tuesday 28

Waxing Gibbous 93%

17:16

04:33

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 OK
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good

Sun - Rise: 05:52, Set: 20:30, Transit: 13:11. Moon - Rise: 17:16, Set: 04:33. Civil Dark: 21:07 - 05:15. Nautical Dark: 21:54 - 04:28. Astro Dark: 22:50 - 03:28

Total Clouds (% Sky Obscured)

47
50
55
96
73
88
91
97
99
97
76
71
68
42
73
90
92
34
0
2
2
2
3
4

Low Clouds (% Sky Obscured)

47
44
37
90
52
77
79
93
83
71
50
53
39
9
15
10
0
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
13
20
13
7
32
41
94
48
35
21
31
42
73
90
91
32
0
2
2
2
2
4

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
0
0
1
8
0
0
1
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
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
6
4
4
7
12
5
14
2
3
12
18
25
14
5
0
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)

13
14
14
12
14
15
16
17
17
18
17
17
18
17
18
17
17
17
18
19
19
20
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
5
4
4
5
6
6
7
6
6
8
10
10
11
9
8
8
7
7
5
4
3
2
2

Dew Point (°C)

8
8
6
6
7
8
8
8
8
8
7
7
8
9
9
9
8
7
6
5
4
3
3
3

Relative Humidity (%)

95
95
87
82
85
87
87
83
77
77
71
60
66
68
74
76
74
71
71
71
72
73
75
76

Pressure (mb)

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

Ozone (du)

413
419
423
427
425
423
423
423
423
424
421
420
420
419
419
422
428
429
426
421
418
417
414
413

Wednesday 29

Waxing Gibbous 97%

18:29

04:45

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

Sun - Rise: 05:50, Set: 20:32, Transit: 13:11. Moon - Rise: 18:29, Set: 04:45. Civil Dark: 21:09 - 05:13. Nautical Dark: 21:56 - 04:26. Astro Dark: 22:53 - 03:25

Total Clouds (% Sky Obscured)

30
38
17
30
3
45
35
60
40
25
20
100
25
26
49
81
100
100
64
88
70
80
90
100

Low Clouds (% Sky Obscured)

1
2
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
6
23
25
30
30
30

Medium Clouds (% Sky Obscured)

23
24
6
22
0
0
0
19
15
3
2
57
2
3
1
9
0
21
9
24
16
10
7
4

High Clouds (% Sky Obscured)

0
0
0
0
2
30
25
51
26
20
15
100
25
25
49
72
100
100
50
73
58
68
86
100

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
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
8
18
19
20
26
21

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)

20
20
20
20
21
22
22
22
22
22
23
24
24
24
24
23
22
22
22
22
22
21
20
19

Chance of Frost

Temperature (°C)

7
7
7
7
9
11
13
14
16
18
19
19
18
18
17
16
15
14
14
14
13
13
13
12

Feels Like (°C)

1
1
1
2
4
6
7
8
11
12
13
13
12
11
11
10
8
7
7
7
6
6
7
6

Dew Point (°C)

3
3
3
4
5
7
8
9
11
11
12
12
12
12
12
10
8
6
5
5
6
6
6
7

Relative Humidity (%)

76
78
79
82
80
77
74
71
68
66
65
66
67
68
70
67
64
55
55
57
59
61
64
70

Pressure (mb)

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

Ozone (du)

412
410
407
404
399
395
391
389
386
383
382
380
374
370
368
367
365
365
366
366
364
364
363
361

Thursday 30

Waxing Gibbous 99%

19:42

04:57

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
03 Bad

Sun - Rise: 05:48, Set: 20:33, Transit: 13:11. Moon - Rise: 19:42, Set: 04:57. Civil Dark: 21:10 - 05:11. Nautical Dark: 21:58 - 04:23. Astro Dark: 22:56 - 03:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
96
92
88
78
66
55
49
53
57
67
67
43
51
48
67
82
77
65

Low Clouds (% Sky Obscured)

35
34
30
24
16
25
17
4
1
1
1
18
19
14
20
24
8
11
11
5
6
25
26
20

Medium Clouds (% Sky Obscured)

31
15
21
12
4
44
3
31
45
44
49
50
46
7
3
14
42
28
27
20
19
24
26
34

High Clouds (% Sky Obscured)

100
100
100
100
100
100
95
89
84
63
48
35
35
40
41
49
42
28
39
48
65
52
35
21

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 (%)

9
12
9
4
5
5
1
0
1
3
8
23
14
11
12
2
1
0
0
0
0
1
4
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)

18
17
17
17
17
19
19
20
20
20
20
19
18
16
15
12
10
8
6
5
5
4
5
5

Chance of Frost

Temperature (°C)

12
12
11
11
12
13
13
14
15
16
16
16
15
15
15
14
14
12
12
12
11
11
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
66
66
71
75
75
77
76
73
73
74
74
82
82
82
84
86
93
93
93
95
95
93
92

Pressure (mb)

1018
1018
1018
1018
1018
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

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

Friday 1

Full Moon 100%

20:56

05:12

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
03 Bad

Sun - Rise: 05:47, Set: 20:35, Transit: 13:11. Moon - Rise: 20:56, Set: 05:12. Civil Dark: 21:12 - 05:09. Nautical Dark: 22:01 - 04:21. Astro Dark: 23:00 - 03:18

Total Clouds (% Sky Obscured)

75
89
95
90
90
95
95
95
95
96
100
100
100
98
98
90
90
89
88
94
92
87
77
70

Low Clouds (% Sky Obscured)

26
38
48
51
54
61
68
75
82
80
72
69
65
61
57
37
33
31
34
35
38
41
41
38

Medium Clouds (% Sky Obscured)

41
48
60
60
60
65
65
55
50
55
65
65
40
17
0
0
0
0
5
5
10
21
18
20

High Clouds (% Sky Obscured)

35
52
65
56
53
49
67
76
86
86
90
93
94
94
94
83
83
85
88
93
83
52
37
26

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

Precipitation Probability (%)

36
61
78
85
84
76
70
64
64
76
77
80
65
42
24
2
0
0
0
0
0
2
3
3

Precipitation Amount (mm)

0
0.3
0.4
0.6
0.6
0.4
0.3
0.3
0.3
0.5
0.4
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
4
5
6
6
6
6
6
5
6
6
6
7
6
5
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
9
11
12
12
13
14
15
16
16
16
14
13
13
11
11
11
10
9
7
7
5
5

Dew Point (°C)

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

Relative Humidity (%)

93
95
96
95
88
83
76
70
65
62
62
63
65
67
70
78
81
88
93
93
93
94
93
93

Pressure (mb)

1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019

Ozone (du)

357
356
355
355
355
355
354
353
353
352
352
354
354
354
353
353
354
355
355
356
357
357
358
358

Saturday 2

Waning Gibbous 98%

22:09

05:30

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
03 Bad

Sun - Rise: 05:45, Set: 20:36, Transit: 13:11. Moon - Rise: 22:09, Set: 05:30. Civil Dark: 21:14 - 05:07. Nautical Dark: 22:03 - 04:18. Astro Dark: 23:03 - 03:15

Total Clouds (% Sky Obscured)

69
60
54
62
67
74
77
81
83
81
83
85
86
90
94
93
92
90
92
96
98
96
94
91

Low Clouds (% Sky Obscured)

42
43
47
50
54
58
56
57
59
50
40
38
45
55
63
64
63
62
68
74
80
77
74
72

Medium Clouds (% Sky Obscured)

18
21
20
25
35
40
41
42
48
48
46
42
47
55
72
75
76
74
79
84
89
82
75
68

High Clouds (% Sky Obscured)

37
52
54
62
67
74
77
81
83
67
33
0
0
5
5
15
20
25
20
20
20
20
20
20

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 (%)

13
14
10
22
27
28
44
44
41
37
27
21
30
25
22
24
21
15
22
28
30
27
26
18

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)

3
3
3
3
5
8
10
11
11
12
12
12
12
10
9
8
7
7
7
7
7
6
7
7

Chance of Frost

Temperature (°C)

6
7
7
8
9
11
13
14
14
15
15
15
14
14
14
14
12
11
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

5
6
6
7
7
8
9
9
9
9
9
9
9
10
10
11
10
9
8
8
8
8
9
9

Relative Humidity (%)

93
93
93
93
87
81
75
72
69
66
67
68
69
74
78
83
86
88
91
95
95
95
96
96

Pressure (mb)

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

Ozone (du)

358
359
360
361
363
364
365
366
367
368
368
369
369
371
372
374
375
377
378
380
382
384
386
388

Sunday 3

Waning Gibbous 95%

23:19

05:54

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: 05:43, Set: 20:38, Transit: 13:10. Moon - Rise: 23:19, Set: 05:54. Civil Dark: 21:16 - 05:05. Nautical Dark: 22:05 - 04:16. Astro Dark: 23:06 - 03:12

Total Clouds (% Sky Obscured)

92
96
100
100
100
100
99
97
96
93
91
89
92
95
96
97
97
98
89
81
73

Low Clouds (% Sky Obscured)

75
80
85
83
81
76
80
87
93
86
80
76
74
73
71
67
66
61
63
64
66

Medium Clouds (% Sky Obscured)

70
70
70
67
63
58
50
47
45
37
30
23
14
8
0
20
40
65
46
27
7

High Clouds (% Sky Obscured)

48
73
94
94
96
99
70
39
7
5
3
0
31
61
92
70
39
20
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

Fog (%)

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

Precipitation Probability (%)

28
35
30
32
41
39
41
55
55
56
66
64
47
38
7
10
9
2
4
5
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
9
10
11
12
13
14
14
14
13
13
12
10
10
9
9
8
7
7
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
91
90
88
88
87
83
79
75
75
75
75
76
76
77
80
82
87
90
91

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013

Ozone (du)

389
390
391
391
390
390
389
387
385
383
381
380
378
379
380
382
381
379
378
377
376

Forecast for Exeter, Devon, United Kingdom (50.72,-3.53)

Generated: 27/04/26 04:05:23. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+1.00