Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 82%

12:53

05:07

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

Sun - Rise: 08:14, Set: 16:10, Transit: 12:12. Moon - Rise: 12:53, Set: 05:07. Civil Dark: 16:50 - 07:34. Nautical Dark: 17:32 - 06:51. Astro Dark: 18:13 - 06:11

Total Clouds (% Sky Obscured)

27
25
17
20
25
3
3
14
11
8
1
7
10
19
1
1
1
1
1
1
1
1
1
1

Low Clouds (% Sky Obscured)

27
25
17
4
18
0
0
13
11
8
0
7
9
18
0
0
0
0
0
0
0
0
0
0

Medium 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

High Clouds (% Sky Obscured)

27
25
17
20
25
3
3
4
3
2
1
2
6
11
1
1
1
1
1
1
1
1
1
1

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
29
81
73
71
76
76
82
2
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
60
59
69
74
78
81
84
88
89
91
92
92
92
94
94
94
91
84
78
74
72
72
79

Pressure (mb)

1034
1034
1034
1035
1035
1035
1035
1035
1034
1034
1034
1034
1033
1033
1033
1033
1033
1032
1032
1031
1030
1030
1029
1029

Ozone (du)

304
306
304
303
304
305
302
298
298
298
298
299
301
305
306
303
301
298
298
300
301
302
305
306

Wednesday 31

Waxing Gibbous 91%

13:35

06:37

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

Sun - Rise: 08:14, Set: 16:11, Transit: 12:13. Moon - Rise: 13:35, Set: 06:37. Civil Dark: 16:51 - 07:34. Nautical Dark: 17:33 - 06:51. Astro Dark: 18:14 - 06:11

Total Clouds (% Sky Obscured)

29
11
0
0
0
11
52
77
86
100
84
53
29
32
31
47
44
48
70
84
43
35
73
44

Low Clouds (% Sky Obscured)

29
11
0
0
0
11
46
75
74
79
80
44
3
0
23
44
33
38
63
51
43
29
34
39

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
36
13
0
0
0
0

High Clouds (% Sky Obscured)

3
1
0
0
0
0
9
11
45
97
30
34
29
32
27
12
31
3
11
61
1
16
47
24

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
2
18
16
48
2
2
4
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
0
0
0
1
10
1
0
0
0
1
4
15

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
91
89
87
89
89
91
91
91
91
91
86
86
86
88
89
88
83
75
75
76
79
80

Pressure (mb)

1028
1027
1027
1026
1026
1025
1024
1023
1022
1021
1020
1020
1019
1017
1016
1016
1015
1015
1015
1014
1013
1012
1012
1011

Ozone (du)

305
304
303
302
303
304
305
308
310
313
315
314
314
311
309
311
312
316
321
322
326
327
326
332

Thursday 1

Waxing Gibbous 97%

14:37

07:54

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

Sun - Rise: 08:14, Set: 16:12, Transit: 12:13. Moon - Rise: 14:37, Set: 07:54. Civil Dark: 16:52 - 07:34. Nautical Dark: 17:34 - 06:51. Astro Dark: 18:15 - 06:11

Total Clouds (% Sky Obscured)

71
16
18
4
6
24
58
67
67
28
21
42
32
32
60
44
68
62
57
56
68
94
100
81

Low Clouds (% Sky Obscured)

46
16
18
4
6
14
23
35
55
24
11
20
13
15
1
37
24
20
30
33
47
81
95
76

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
3
4
6
14
12
9
27
2
26
27
26
25
36
94
100
81

High Clouds (% Sky Obscured)

42
16
18
4
1
20
39
34
4
1
1
1
0
1
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
0
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
Light Rain
Light Rain
None

Precipitation Probability (%)

5
1
0
0
0
0
0
0
3
0
1
0
0
0
0
0
0
1
1
6
27
71
87
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.9
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
93
93
89
89
91
91
93
93
93
93
91
89
89
89
91
91
93
89
80
76
75
94
91

Pressure (mb)

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

Ozone (du)

346
362
369
369
366
364
362
357
353
347
344
342
341
339
336
338
336
330
324
325
327
326
318
318

Friday 2

Waxing Gibbous 100%

15:58

08:50

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

Sun - Rise: 08:13, Set: 16:13, Transit: 12:14. Moon - Rise: 15:58, Set: 08:50. Civil Dark: 16:53 - 07:34. Nautical Dark: 17:35 - 06:51. Astro Dark: 18:16 - 06:11

Total Clouds (% Sky Obscured)

54
27
27
9
2
1
0
0
0
0
0
5
10
15
22
43
54
70
36
6
3
2
0
3

Low Clouds (% Sky Obscured)

45
27
23
9
1
0
0
0
0
0
0
0
0
0
6
12
19
18
11
5
3
1
0
3

Medium Clouds (% Sky Obscured)

42
0
1
0
0
0
0
0
0
0
0
5
10
15
22
43
54
67
31
3
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)

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 (%)

26
19
15
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
8
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
89
87
86
84
80
78
78
78
78
80
81
78
78
78
79
79
80
71
68
65
63
65

Pressure (mb)

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

Ozone (du)

314
314
323
335
343
345
344
347
352
362
368
376
379
372
370
372
370
367
368
363
363
362
358
363

Saturday 3

Full Moon 99%

15:58

09:29

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

Sun - Rise: 08:13, Set: 16:14, Transit: 12:14. Moon - Rise: 15:58, Set: 09:29. Civil Dark: 16:54 - 07:34. Nautical Dark: 17:36 - 06:51. Astro Dark: 18:17 - 06:11

Total Clouds (% Sky Obscured)

5
7
5
2
0
18
36
50
44
39
27
18
9
0
0
0
0
6
13
19
26
32
39
53

Low Clouds (% Sky Obscured)

5
6
4
2
0
0
0
0
9
20
27
18
9
0
0
0
0
5
9
13
16
20
26
33

Medium Clouds (% Sky Obscured)

0
0
0
0
0
12
21
32
21
13
0
0
0
0
0
0
0
0
0
0
1
1
2
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
12
26
31

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
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
74
72
74
76
78
79
82
81
82
82
78
76
75
75
75
75
70
66
62
65
68
71

Pressure (mb)

1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1017
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

369
372
373
364
353
344
345
350
356
357
359
364
365
366
370
371
372
374
374
375
375
375
374
374

Sunday 4

Waning Gibbous 96%

17:28

09:54

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Good
00 OK
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 OK
15 Bad

Sun - Rise: 08:13, Set: 16:15, Transit: 12:15. Moon - Rise: 17:28, Set: 09:54. Civil Dark: 16:55 - 07:33. Nautical Dark: 17:37 - 06:51. Astro Dark: 18:18 - 06:11

Total Clouds (% Sky Obscured)

70
84
88
93
98
70
41
10
22
37
51
68
81
85
85
85
75
50
30
20
21
30
34
47

Low Clouds (% Sky Obscured)

41
42
40
41
33
23
14
7
13
24
35
48
57
65
55
50
45
30
20
15
21
27
34
46

Medium Clouds (% Sky Obscured)

9
7
8
11
11
8
5
1
5
8
11
21
32
33
42
66
75
50
30
20
21
23
1
1

High Clouds (% Sky Obscured)

42
34
15
10
5
0
0
0
0
0
0
0
3
15
20
25
25
14
6
2
1
1
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

9
10
14
14
10
9
6
1
1
2
1
20
31
42
53
60
64
53
43
30
27
24
18
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
81
87
91
94
96
96
96
94
91
87
86
86
88
89
91
93
96
96
94
93
89
86
85

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

371
369
367
369
370
372
368
364
360
359
358
357
357
357
358
363
367
372
375
379
382
382
381
381

Monday 5

Waning Gibbous 90%

18:57

10:12

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

Sun - Rise: 08:12, Set: 16:17, Transit: 12:15. Moon - Rise: 18:57, Set: 10:12. Civil Dark: 16:56 - 07:33. Nautical Dark: 17:38 - 06:51. Astro Dark: 18:19 - 06:11

Total Clouds (% Sky Obscured)

63
81
82
75
68
57
36
16
11
5
2
3
3
7
7
6
5
16
27
37

Low Clouds (% Sky Obscured)

61
73
57
44
23
17
11
5
5
3
1
1
2
3
3
3
3
9
17
26

Medium Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

8
1
6
4
1
5
5
0
0
0
0
0
0
0
0
0
0
0
1
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
0
-4
-4
-4
-4
-4
-4
-6
-5
-4
-4
-4
-4
-4
-4
-3
-4
-3

Dew Point (°C)

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

Relative Humidity (%)

88
91
93
91
91
89
91
92
94
92
92
91
91
89
89
89
89
89
89
89

Pressure (mb)

1017
1018
1018
1019
1019
1020
1021
1021
1022
1022
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025

Ozone (du)

382
384
386
384
382
380
376
372
368
366
364
362
365
369
372
372
373
374
373
371

Forecast for Twerton, Bath and North East Somerset, United Kingdom (51.36,-2.38)

Generated: 30/12/25 16:32:58. Forecast: 30/12/25 to 05/01/26. Timezone: UTC+0.00