Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 31

Waxing Gibbous 91%

13:40

06:37

18 OK
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
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

Sun - Rise: 08:14, Set: 16:15, Transit: 12:15. Moon - Rise: 13:40, Set: 06:37. Civil Dark: 16:55 - 07:35. Nautical Dark: 17:37 - 06:53. Astro Dark: 18:16 - 06:12

Total Clouds (% Sky Obscured)

38
36
31
33
57
63
70
81
85
93
90
74
88
83
100
100
73
63
89
95
49
73
65
58

Low Clouds (% Sky Obscured)

0
0
22
33
51
52
62
77
85
92
89
52
50
36
55
57
64
63
67
68
49
64
61
58

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
5
31
33
9
63
67
75
76
83
79
74
88
83
100
100
3
10
87
54
19
50
24
4

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 (%)

3
3
3
2
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
2
0
3
6
0
0
1
0
1
2
1
4
12
2
5
12
1

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
0
0
1
1
2
2
2
2
2
2
2
4
4
5
6
6
6
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
89
87
89
89
89
91
89
81
80
78
88
89
88
80
83
77
79
79
81
81
79
83

Pressure (mb)

1027
1027
1026
1025
1024
1023
1022
1021
1021
1020
1019
1018
1017
1017
1016
1016
1015
1015
1014
1013
1013
1013
1013
1013

Ozone (du)

300
300
302
304
305
304
307
308
312
312
306
305
303
309
317
324
325
318
321
330
345
359
361
358

Thursday 1

Waxing Gibbous 97%

14:42

07:54

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

Sun - Rise: 08:14, Set: 16:16, Transit: 12:15. Moon - Rise: 14:42, Set: 07:54. Civil Dark: 16:56 - 07:35. Nautical Dark: 17:38 - 06:53. Astro Dark: 18:17 - 06:13

Total Clouds (% Sky Obscured)

42
44
39
43
37
25
65
66
64
42
40
43
70
88
77
94
90
62
0
20
1
1
1
0

Low Clouds (% Sky Obscured)

42
44
39
42
37
25
59
60
61
34
32
43
44
47
53
87
82
32
0
20
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
13
23
17
15
19
19
12
29
22
49
43
42
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
2
0
6
1
1
0
1
1
1
0
0
0
0
0
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
7
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
1
1
0
0
1
3
7
25
28
30
28
21
43
22
3
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)

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

Chance of Frost

Temperature (°C)

4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
4
4
5
4
4
4
4
3
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
86
85
85
86
86
86
83
79
79
79
83
89
85
79
82
82
69
62
59
60
63
66

Pressure (mb)

1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1011
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1013
1013

Ozone (du)

355
355
358
354
353
351
347
344
345
342
335
331
326
319
317
316
313
312
308
308
305
300
296
288

Friday 2

Waxing Gibbous 100%

16:02

08:51

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

Sun - Rise: 08:14, Set: 16:18, Transit: 12:16. Moon - Rise: 16:02, Set: 08:51. Civil Dark: 16:57 - 07:35. Nautical Dark: 17:39 - 06:53. Astro Dark: 18:18 - 06:12

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
20
47
59
42
20
22
12
1
1
11
21
33
22
10
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
18
39
51
39
20
20
1
1
1
11
21
33
22
10
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
12
8
7
0
4
8
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
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
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
1
1
1
0
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)

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

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
4
3
3
2
1

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-5
-5
-5
-5
-6
-6
-6
-6
-6
-6
-6
-5
-5
-5
-6
-5
-5
-6
-6
-6
-6
-5

Relative Humidity (%)

65
64
61
63
65
65
62
62
61
58
60
61
62
65
67
65
57
54
52
51
51
52
57
63

Pressure (mb)

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

Ozone (du)

287
289
295
298
302
305
306
310
324
336
344
345
344
346
347
344
339
340
339
342
342
341
341
339

Saturday 3

Full Moon 99%

17:31

09:29

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

Sun - Rise: 08:14, Set: 16:19, Transit: 12:16. Moon - Rise: 17:31, Set: 09:29. Civil Dark: 16:58 - 07:35. Nautical Dark: 17:40 - 06:53. Astro Dark: 18:19 - 06:12

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
5
10
12
18
23
32
30
28
26
29
34
40
53
72
87
65
44
16

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
5
7
13
21
28
26
24
24
25
27
27
37
46
57
41
31
11

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
2
16
7

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
1
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-6
-6
-6
-6
-6
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-7
-6
-5
-4
-5
-5

Relative Humidity (%)

62
63
63
65
67
67
66
64
64
66
67
66
67
67
67
64
60
55
51
51
56
61
65
67

Pressure (mb)

1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

335
327
325
325
328
332
334
331
330
328
332
334
335
336
337
338
340
342
343
345
346
346
348
349

Sunday 4

Waning Gibbous 96%

No Rise

09:55

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

Sun - Rise: 08:13, Set: 16:20, Transit: 12:17. Moon - Rise: No Rise, Set: 09:55. Civil Dark: 16:59 - 07:35. Nautical Dark: 17:41 - 06:52. Astro Dark: 18:20 - 06:12

Total Clouds (% Sky Obscured)

21
28
34
47
64
80
81
81
86
57
29
0
31
15
0
0
0
0
0
0
0
0
0
1

Low Clouds (% Sky Obscured)

0
0
0
7
14
22
31
40
49
33
16
0
28
14
0
0
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

16
28
33
37
42
47
46
45
41
25
10
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

7
3
9
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)

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
1
1
0
2
2
1
0
0
0
0
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)

4
4
4
4
4
4
4
3
3
3
3
2
2
4
4
4
4
4
5
5
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-4
-4
-3
-3
-3
-3
-3
-3
-3
-3
-3
-2
-2
-2
-3
-2
-3
2
3
2
3
2

Dew Point (°C)

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

Relative Humidity (%)

70
70
71
70
70
71
74
77
78
81
81
79
79
80
78
77
70
65
60
62
65
69
73
78

Pressure (mb)

1022
1022
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1025
1024
1025
1025
1026
1026
1026
1026
1026
1026
1027
1027

Ozone (du)

352
356
362
371
378
380
377
377
379
373
368
367
365
366
366
367
367
368
368
367
366
365
363
361

Monday 5

Waning Gibbous 90%

19:00

10:13

18 Good
19 Good
20 Good
21 OK
22 OK
23 OK
00 Bad
01 Bad
02 Bad
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

Sun - Rise: 08:13, Set: 16:21, Transit: 12:17. Moon - Rise: 19:00, Set: 10:13. Civil Dark: 17:00 - 07:34. Nautical Dark: 17:42 - 06:52. Astro Dark: 18:21 - 06:12

Total Clouds (% Sky Obscured)

2
4
6
11
17
21
46
73
97
98
99
99
100
100
100
100
100
100
99
97
96
80
62
44

Low Clouds (% Sky Obscured)

2
3
4
4
3
2
1
1
1
1
1
1
5
7
10
36
67
98
70
42
19
30
42
44

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
24
50
74
82
90
98
98
99
100
100
100
100
99
97
96
67
36
5

High Clouds (% Sky Obscured)

0
0
0
1
0
0
33
67
97
98
99
99
99
100
100
100
100
100
72
40
10
7
4
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2
4
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
2
2
1
18
25
32
74
95
95
95
95
95
86
54
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
1.2
1.4
1.3
0.9
0.5
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
87
89
91
91
92
91
87
86
81
80
77
79
80
83
88
89
94
93
91
91
91
91

Pressure (mb)

1027
1027
1027
1028
1027
1027
1027
1027
1026
1026
1025
1024
1023
1022
1021
1020
1019
1017
1016
1015
1015
1014
1015
1015

Ozone (du)

359
361
363
366
360
354
348
349
350
351
355
359
362
362
362
361
368
374
380
390
400
410
410
409

Tuesday 6

Waning Gibbous 83%

20:25

10:27

18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:13, Set: 16:22, Transit: 12:18. Moon - Rise: 20:25, Set: 10:27. Civil Dark: 17:01 - 07:34. Nautical Dark: 17:43 - 06:52. Astro Dark: 18:22 - 06:12

Total Clouds (% Sky Obscured)

43
37
36
30
28
29
50
71
91
93
96
99
98
98
98
99
99
100

Low Clouds (% Sky Obscured)

43
37
36
30
28
29
37
39
41
51
61
70
78
85
91
94
97
100

Medium Clouds (% Sky Obscured)

4
2
1
1
0
0
20
40
59
58
60
65
65
65
60
60
60
55

High Clouds (% Sky Obscured)

1
1
0
0
0
0
22
45
67
76
85
89
86
68
63
62
70
79

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

15
13
1
6
9
0
10
15
19
19
19
19
31
41
36
52
61
68

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
0
0
0
0
0
1
1
0
0
1
1
1
1
1
1
1

Dew Point (°C)

1
1
1
1
1
2
2
3
3
3
3
3
4
4
4
3
4
4

Relative Humidity (%)

89
89
89
93
89
89
89
89
91
91
91
91
93
93
93
93
91
88

Pressure (mb)

1015
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

409
407
405
402
400
397
395
392
389
386
368
351
333
325
316
308
308
308

Forecast for Othery, Somerset, United Kingdom (51.08,-2.88)

Generated: 31/12/25 18:14:23. Forecast: 31/12/25 to 06/01/26. Timezone: UTC+0.00