Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 5

Waning Gibbous 90%

19:03

09:57

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

Sun - Rise: 08:16, Set: 16:23, Transit: 12:19. Moon - Rise: 19:03, Set: 09:57. Civil Dark: 17:02 - 07:37. Nautical Dark: 17:44 - 06:55. Astro Dark: 18:24 - 06:15

Total Clouds (% Sky Obscured)

14
11
20
1
1
0
0
0
0
0
0
0
0
7
21
47
62
57
44
59
76
82
95
78

Low Clouds (% Sky Obscured)

0
11
9
0
0
0
0
0
0
0
0
0
0
7
21
47
60
56
44
49
37
13
0
17

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
10
11
0
0
22
65
49
32

High Clouds (% Sky Obscured)

0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
4
3
7
4
15
51
22
88
30

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 (%)

2
3
7
0
1
0
0
0
0
0
0
0
0
0
0
2
3
2
1
1
0
0
1
3

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
6
8
10
10
8
7
6
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
3

Chance of Frost

Temperature (°C)

-2
0
1
2
2
1
1
0
-0
-1
-1
-2
-2
-3
-3
-3
-3
-2
-2
-2
-2
-2
-2
-2

Feels Like (°C)

-4
-3
-2
-1
-1
-2
-2
-2
-2
-2
-3
-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-5
-5
-4

Dew Point (°C)

-8
-7
-7
-5
-4
-4
-3
-3
-4
-5
-6
-6
-6
-6
-6
-6
-5
-3
-3
-3
-3
-4
-4
-3

Relative Humidity (%)

64
58
56
59
64
66
74
78
75
72
72
72
75
76
76
76
86
92
92
92
92
86
86
87

Pressure (mb)

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

Ozone (du)

397
405
409
409
409
405
403
401
399
398
400
396
394
391
392
386
383
380
380
378
376
373
370
370

Tuesday 6

Waning Gibbous 83%

20:28

10:16

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:15, Set: 16:24, Transit: 12:20. Moon - Rise: 20:28, Set: 10:16. Civil Dark: 17:03 - 07:36. Nautical Dark: 17:45 - 06:54. Astro Dark: 18:25 - 06:15

Total Clouds (% Sky Obscured)

73
94
92
100
100
100
100
99
93
94
96
88
68
39
77
92
77
60
55
51
74
60
83
92

Low Clouds (% Sky Obscured)

25
20
28
34
0
51
66
90
81
87
90
85
54
39
77
84
75
59
53
49
61
52
46
49

Medium Clouds (% Sky Obscured)

73
92
92
100
100
100
92
96
74
70
38
0
0
0
50
9
2
2
0
25
31
20
51
84

High Clouds (% Sky Obscured)

25
2
1
0
0
0
0
1
0
0
0
0
0
0
0
14
1
0
0
0
0
0
0
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
2
0
0
1
9
9
9
8
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
7
55
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
None
Very Light Rain
Light Rain
None
None
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
5
7
5
3
11
38
66
69
58
78
95
44
17
60
59
36
20
7
3
1
2
14
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.3
0
0.3
0.9
0
0
0.4
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
7
9
10
12
12
13
13
16
15
15
12
9
8
10
12
14
15
15
13
14
13
12

Chance of Frost

Temperature (°C)

-1
1
3
3
4
3
3
3
3
3
3
4
4
4
3
3
4
4
4
3
3
3
3
3

Feels Like (°C)

-4
-2
-1
-1
-1
-2
-2
-3
-3
-3
-3
-3
-2
-1
-1
0
-1
-1
-2
-2
-1
-3
-1
-1

Dew Point (°C)

-3
-1
-1
-0
0
0
0
0
1
2
3
3
3
2
1
3
3
2
1
1
0
0
0
1

Relative Humidity (%)

83
83
77
77
77
79
82
82
86
96
98
98
98
88
91
94
91
86
82
82
82
83
82
85

Pressure (mb)

1021
1020
1019
1018
1017
1016
1015
1014
1014
1013
1012
1011
1010
1010
1009
1008
1008
1009
1009
1009
1010
1010
1011
1012

Ozone (du)

370
371
372
374
378
375
378
380
381
383
387
387
387
386
380
380
379
374
365
351
339
332
323
312

Wednesday 7

Waning Gibbous 74%

21:47

10:30

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:15, Set: 16:25, Transit: 12:20. Moon - Rise: 21:47, Set: 10:30. Civil Dark: 17:04 - 07:36. Nautical Dark: 17:46 - 06:54. Astro Dark: 18:26 - 06:14

Total Clouds (% Sky Obscured)

93
96
97
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

50
48
46
40
49
57
77
76
88
100
100
100
100
66
74
66
66
59
33
41
37
31
29
30

Medium Clouds (% Sky Obscured)

81
90
91
100
91
77
100
100
97
90
91
100
100
100
88
91
82
92
100
82
77
96
100
100

High Clouds (% Sky Obscured)

29
30
40
100
99
53
100
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
2
4
9
2
0
1
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
1
0
0
0
0
7
38
62
82
63
55
21
21
7
16
15
2
1
3
0
1
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
11
10
9
7
6
6
6
5
8
8
6
7
12
16
16
15
13
10
7
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-0
0
1
1
1
1
-1
-1
0
-1
-1
1
2
2
2
2
1
1
1
2
2
1
1

Dew Point (°C)

1
1
1
2
1
2
2
2
2
3
3
3
3
5
5
6
5
4
4
4
4
3
3
3

Relative Humidity (%)

85
82
80
80
80
83
89
91
96
98
96
100
98
98
93
91
90
88
90
91
93
93
93
93

Pressure (mb)

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

Ozone (du)

313
316
314
311
306
301
302
307
309
311
315
319
322
320
319
318
320
318
318
321
321
322
323
324

Thursday 8

Waning Gibbous 64%

23:02

10:42

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:14, Set: 16:27, Transit: 12:21. Moon - Rise: 23:02, Set: 10:42. Civil Dark: 17:05 - 07:36. Nautical Dark: 17:47 - 06:54. Astro Dark: 18:27 - 06:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

42
62
69
70
78
82
89
95
97
98
100
100
100
100
100
100
100
89
79
68
62
51
43
41

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
79
60
55
57
91
68
95
100
100
100
100
100
99

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
60
50
60
100
100
100
100
100
100
100
100
88

ISS Passover

Visibility (miles)

9
9
9
7
1
0
0
3
2
4
9
9
9
0
0
0
1
0
0
1
3
3
1
0

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Sleet
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

5
28
68
93
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
78
53
29

Precipitation Amount (mm)

0
0
0.4
0.6
1.2
1.2
1
1.3
1.3
1.2
1.5
2.1
2.4
2.6
2.9
2.9
2.8
2.5
2.1
1.6
1.1
0.5
0.3
0

Wind Speed/Direction (mph)

3
3
4
4
5
7
6
11
12
13
16
18
23
30
35
35
33
32
26
24
26
23
20
18

Chance of Frost

Temperature (°C)

4
5
5
5
5
5
6
6
5
5
5
2
2
2
1
1
2
2
2
2
2
3
3
3

Feels Like (°C)

2
3
2
2
1
1
2
1
-0
-2
-4
-7
-10
-13
-14
-14
-12
-11
-7
-7
-8
-7
-6
-5

Dew Point (°C)

3
3
4
4
5
5
5
5
4
5
3
0
0
1
0
1
1
1
1
1
1
1
2
2

Relative Humidity (%)

91
89
90
96
98
98
98
93
93
96
88
85
89
93
96
94
94
94
94
94
91
89
96
96

Pressure (mb)

1007
1006
1005
1004
1002
1000
999
997
994
991
989
987
985
982
982
983
984
986
988
989
991
993
994
996

Ozone (du)

324
320
319
322
322
323
322
322
324
326
331
350
361
362
359
358
356
357
360
372
386
393
388
389

Friday 9

Waning Gibbous 54%

00:15

10:53

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 OK
23 OK
00 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:14, Set: 16:28, Transit: 12:21. Moon - Rise: 00:15, Set: 10:53. Civil Dark: 17:06 - 07:35. Nautical Dark: 17:48 - 06:53. Astro Dark: 18:28 - 06:14

Total Clouds (% Sky Obscured)

99
99
95
91
87
79
75
73
73
72
58
42
28
17
21
23
28
38
47
57
71
86
100
99

Low Clouds (% Sky Obscured)

34
25
33
36
42
45
48
53
51
55
53
42
28
17
21
23
27
24
20
17
14
10
6
7

Medium Clouds (% Sky Obscured)

98
97
89
82
74
58
45
34
42
46
21
13
6
0
4
9
17
18
20
20
16
13
11
40

High Clouds (% Sky Obscured)

74
57
48
39
30
25
25
20
15
4
0
0
0
0
0
0
0
13
25
37
58
78
100
99

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 (%)

12
1
5
8
3
4
4
0
2
4
0
1
1
0
5
8
10
14
15
13
17
15
3
9

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
19
19
20
19
18
17
15
16
16
16
15
13
12
12
11
11
11
10
10
8
7
6

Chance of Frost

Temperature (°C)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
3
3
3
3
3
3
3
3
3

Feels Like (°C)

-6
-6
-5
-5
-6
-5
-5
-5
-4
-5
-5
-4
-4
-3
-3
-2
-2
-2
-2
-1
-1
-2
-1
-1

Dew Point (°C)

-0
-1
-0
0
-1
-0
-1
-2
-2
-1
-1
-2
-2
-2
-1
-1
-1
0
0
1
1
1
1
1

Relative Humidity (%)

80
77
79
79
76
77
73
70
72
76
74
73
73
73
79
79
80
82
83
86
89
88
88
88

Pressure (mb)

997
998
999
1000
1001
1002
1003
1005
1006
1007
1008
1009
1010
1011
1012
1013
1013
1014
1014
1015
1015
1015
1015
1016

Ozone (du)

393
389
388
389
390
387
387
389
392
396
401
398
398
392
392
388
384
380
380
380
380
374
369
363

Saturday 10

Third Quarter 44%

01:27

11:04

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:13, Set: 16:29, Transit: 12:21. Moon - Rise: 01:27, Set: 11:04. Civil Dark: 17:08 - 07:35. Nautical Dark: 17:49 - 06:53. Astro Dark: 18:29 - 06:13

Total Clouds (% Sky Obscured)

98
98
99
99
100
100
100
100
100
100
100
96
92
87
90
94
100
94
88
79
85
91
97
98

Low Clouds (% Sky Obscured)

6
3
34
63
91
94
97
100
100
100
100
90
79
66
66
65
67
70
74
76
76
75
72
78

Medium Clouds (% Sky Obscured)

52
60
74
86
97
97
99
100
100
100
100
90
78
50
66
82
100
80
62
47
67
81
93
80

High Clouds (% Sky Obscured)

98
98
99
99
100
100
100
100
100
100
100
72
45
12
6
6
10
10
10
10
19
28
34
56

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
7
6
4
3
1
2
3
3
4
5
6
7
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

12
14
46
65
80
78
76
81
95
95
95
95
95
95
95
87
77
77
71
56
50
44
35
40

Precipitation Amount (mm)

0
0
0
0.3
0.5
0.4
0.4
0.4
0.9
1.6
2.5
2.2
1.8
1.4
0.9
0.5
0.3
0.3
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
7
8
10
12
14
15
16
16
16
16
16
18
21
21
21
21
20
19
19
20
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-2
2
2
2
2
2
2
2
2
3
3
3
3
3
2
2
1
-0
-1
2
2
3

Dew Point (°C)

1
2
3
4
4
6
6
6
6
7
7
8
8
9
9
8
7
7
7
7
7
7
7
8

Relative Humidity (%)

88
88
88
90
91
94
94
94
94
94
95
96
95
96
95
96
95
95
94
94
94
93
93
91

Pressure (mb)

1015
1015
1015
1014
1012
1011
1010
1008
1007
1005
1003
1001
1000
999
998
998
997
997
996
995
995
995
994
994

Ozone (du)

355
348
340
336
332
328
325
323
320
319
318
317
314
311
307
306
305
304
302
300
298
297
297
296

Sunday 11

Waning Crescent 35%

02:40

11:17

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
05 Bad

Sun - Rise: 08:12, Set: 16:31, Transit: 12:22. Moon - Rise: 02:40, Set: 11:17. Civil Dark: 17:09 - 07:34. Nautical Dark: 17:51 - 06:53. Astro Dark: 18:30 - 06:13

Total Clouds (% Sky Obscured)

99
100
95
91
86
81
76
70
78
86
94
84
75
67
64
62
61
61
71
77

Low Clouds (% Sky Obscured)

85
92
86
82
78
75
66
61
66
75
84
78
73
65
59
53
49
49
50
50

Medium Clouds (% Sky Obscured)

67
54
53
48
41
31
16
1
14
27
41
27
14
1
1
0
0
2
4
7

High Clouds (% Sky Obscured)

77
100
67
33
0
4
4
7
16
13
1
1
1
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

42
41
41
41
37
36
36
12
26
37
53
48
40
20
27
32
18
31
37
38

Precipitation Amount (mm)

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
19
18
18
19
19
19
19
19
19
20
20
20
21
22
21
20
20
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
5
5
5
5
4
4
2
2
2
2
1
1
1
0
-1
-1
-0

Dew Point (°C)

8
8
8
8
7
7
7
6
6
6
6
6
5
5
5
4
4
4
4
4

Relative Humidity (%)

90
90
90
88
88
87
88
90
90
90
88
88
87
85
85
85
85
86
88
91

Pressure (mb)

993
993
993
993
992
992
993
993
993
993
993
993
994
995
995
996
997
997
998
998

Ozone (du)

299
301
303
305
308
310
313
316
319
322
325
327
329
331
332
333
334
335
335
336

Forecast for Dulverton, Somerset, United Kingdom (51.04,-3.55)

Generated: 05/01/26 10:21:20. Forecast: 05/01/26 to 11/01/26. Timezone: UTC+0.00