Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 82%

12:25

03:35

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

Sun - Rise: 08:14, Set: 16:10, Transit: 12:12. Moon - Rise: 12:25, Set: 03:35. Civil Dark: 16:50 - 07:34. Nautical Dark: 17:32 - 06:51. Astro Dark: 18:13 - 06:11

Total Clouds (% Sky Obscured)

95
97
97
90
89
75
45
47
57
52
73
54
24
14
30
35
8
31
11
15
39
11
1
1

Low Clouds (% Sky Obscured)

95
88
92
79
81
60
45
47
44
44
70
46
0
0
25
32
4
25
0
0
23
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)

56
43
73
84
89
75
45
40
57
47
5
8
24
14
30
18
4
5
11
15
39
11
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
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
70
68
67
66
72
69
63
60
63
59
61
63
63
60
61
68
77
81
88
89
91
92
92

Pressure (mb)

1031
1031
1031
1032
1032
1032
1033
1033
1034
1035
1035
1035
1035
1035
1034
1034
1034
1035
1035
1035
1035
1035
1035
1035

Ozone (du)

272
274
275
277
278
279
278
280
278
281
285
294
299
300
302
304
305
304
303
304
306
307
306
304

Wednesday 31

Waxing Gibbous 91%

12:53

05:07

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

Sun - Rise: 08:14, Set: 16:11, Transit: 12:12. Moon - Rise: 12:53, Set: 05:07. Civil Dark: 16:51 - 07:34. Nautical Dark: 17:33 - 06:51. Astro Dark: 18:14 - 06:11

Total Clouds (% Sky Obscured)

1
0
0
8
0
0
0
0
0
0
0
0
0
1
0
0
0
0
2
2
0
9
37
86

Low Clouds (% Sky Obscured)

0
0
0
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
31
73

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)

1
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
2
2
0
9
10
37

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
94
92
92
92
92
94
94
92
83
78
74
72
72
79
89
89
89
91
89
89
92
92

Pressure (mb)

1035
1035
1035
1034
1034
1034
1033
1033
1033
1033
1033
1032
1031
1030
1030
1029
1029
1028
1028
1027
1026
1026
1025
1024

Ozone (du)

304
303
301
303
305
306
307
310
309
309
310
310
311
311
311
310
310
308
306
309
312
314
315
316

Thursday 1

Waxing Gibbous 97%

13:35

06:37

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

Sun - Rise: 08:14, Set: 16:12, Transit: 12:13. Moon - Rise: 13:35, Set: 06:37. Civil Dark: 16:52 - 07:34. Nautical Dark: 17:34 - 06:51. Astro Dark: 18:15 - 06:11

Total Clouds (% Sky Obscured)

84
100
87
93
58
71
28
27
33
32
60
48
47
48
47
47
38
9
14
20
26
20
17
12

Low Clouds (% Sky Obscured)

81
57
79
84
55
71
26
1
30
21
49
40
47
48
32
31
25
7
12
18
24
20
16
12

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
13
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

38
86
31
54
1
1
0
7
2
14
10
5
2
1
20
24
21
1
1
1
2
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
3
5
4
13
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
94
92
91
84
84
86
88
91
88
82
82
79
82
83
82
80
86
89
88
88
88
89
89

Pressure (mb)

1023
1022
1021
1020
1019
1018
1017
1017
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1014
1014
1014
1014
1013
1013

Ozone (du)

317
316
315
315
314
312
312
310
321
327
324
315
314
315
324
341
352
358
356
350
347
347
347
346

Friday 2

Waxing Gibbous 100%

14:37

07:54

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

Sun - Rise: 08:14, Set: 16:13, Transit: 12:13. Moon - Rise: 14:37, Set: 07:54. Civil Dark: 16:53 - 07:34. Nautical Dark: 17:35 - 06:51. Astro Dark: 18:16 - 06:11

Total Clouds (% Sky Obscured)

29
28
46
55
55
95
96
97
96
97
96
95
92
84
79
71
87
89
65
28
1
0
0
0

Low Clouds (% Sky Obscured)

15
7
11
16
24
33
45
51
61
47
43
46
54
38
47
31
33
18
20
3
1
0
0
0

Medium Clouds (% Sky Obscured)

9
19
28
37
44
86
87
87
86
84
83
81
76
68
59
58
44
51
65
18
0
0
0
0

High Clouds (% Sky Obscured)

0
1
1
1
4
3
1
1
1
1
1
1
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
1
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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
2
4
4
4
3
0
3
10
4
25
49
43
32
23
3
2
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
89
89
91
91
93
93
93
93
88
82
80
76
71
75
79
96
85
84
83
86
83
84

Pressure (mb)

1013
1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1006
1005
1005
1004
1003
1003
1003
1004
1004
1005
1005
1005

Ozone (du)

343
340
329
313
303
295
292
292
290
287
285
285
284
285
292
296
294
299
300
310
321
331
343
348

Saturday 3

Full Moon 100%

15:58

08:50

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

Sun - Rise: 08:13, Set: 16:14, Transit: 12:14. Moon - Rise: 15:58, Set: 08:50. Civil Dark: 16:54 - 07:34. Nautical Dark: 17:36 - 06:51. Astro Dark: 18:17 - 06:11

Total Clouds (% Sky Obscured)

0
0
1
15
10
15
0
0
0
3
6
9
17
22
31
29
26
24
21
17
13
19
26
33

Low Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
0
11
21
31
29
26
24
18
9
0
13
24
33

Medium Clouds (% Sky Obscured)

0
0
1
15
10
15
0
0
0
2
3
6
4
4
3
2
1
0
1
1
1
1
1
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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
82
81
79
79
79
79
78
78
72
67
65
66
67
69
73
77
81
81
81
81
81
81

Pressure (mb)

1005
1005
1005
1005
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1006
1006
1007
1007
1008
1009
1009
1010

Ozone (du)

349
350
354
362
371
386
397
401
402
403
404
402
405
404
403
402
397
392
387
382
378
373
370
368

Sunday 4

Waning Gibbous 99%

17:28

09:29

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

Sun - Rise: 08:13, Set: 16:15, Transit: 12:14. Moon - Rise: 17:28, Set: 09:29. Civil Dark: 16:55 - 07:34. Nautical Dark: 17:37 - 06:51. Astro Dark: 18:18 - 06:11

Total Clouds (% Sky Obscured)

37
38
41
34
24
12
8
5
5
34
62
90
74
63
43
44
30
25
45
69
94
93
93
93

Low Clouds (% Sky Obscured)

37
36
35
27
20
12
8
5
2
11
20
29
26
24
23
23
26
25
35
42
50
44
46
48

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
6
11
14
16
17
31
30
25
45
69
71
56
41
26

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
7
4
1
1
0
0
3
6

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
Snow
Snow
Snow
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
6
8
5
14
14
14
17
19
21
52
65
69
54
32
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-6
-6
-6
-6
-6
-7
-7
-7
-7
-5
-4
-3
-2
-2
-2
-2
-1
-1
-1
-1
-1
-1
-1

Relative Humidity (%)

79
79
78
78
76
76
75
73
73
73
74
73
73
76
77
81
84
91
96
96
98
98
98
94

Pressure (mb)

1010
1010
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

365
363
361
358
360
361
362
361
360
359
360
361
362
358
354
351
350
349
349
351
353
355
357
359

Monday 5

Waning Gibbous 96%

18:57

09:54

Sun - Rise: 08:13, Set: 16:17, Transit: 12:15. Moon - Rise: 18:57, Set: 09:54. Civil Dark: 16:56 - 07:33. Nautical Dark: 17:38 - 06:51. Astro Dark: 18:19 - 06:11

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 30/12/25 00:30:06. Forecast: 30/12/25 to 05/01/26. Timezone: UTC+0.00