Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 82%

13:00

05:10

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

Sun - Rise: 08:17, Set: 16:17, Transit: 12:17. Moon - Rise: 13:00, Set: 05:10. Civil Dark: 16:56 - 07:38. Nautical Dark: 17:39 - 06:55. Astro Dark: 18:19 - 06:15

Total Clouds (% Sky Obscured)

38
42
53
41
13
19
35
47
41
38
30
6
2
4
6
5
5
5
6
5
4
7
33
42

Low Clouds (% Sky Obscured)

38
42
53
41
11
19
35
46
38
37
30
6
0
0
0
0
0
0
0
0
0
0
31
42

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)

30
42
7
4
8
6
4
39
39
29
19
6
2
4
6
2
2
2
2
2
1
4
9
2

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
3
0
42
38
55
56
98
98
100
100
100
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)

9
8
8
5
5
5
5
5
5
4
4
3
3
3
2
2
2
2
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
76
77
77
78
81
84
89
89
91
92
92
92
91
84
78
74
70
70
76
84
89
89
89

Pressure (mb)

1035
1035
1035
1035
1035
1034
1034
1034
1033
1033
1033
1033
1033
1033
1032
1032
1031
1030
1029
1029
1028
1028
1027
1027

Ozone (du)

299
302
302
300
299
301
300
300
302
305
306
305
301
298
298
297
300
300
304
304
304
304
304
304

Wednesday 31

Waxing Gibbous 91%

13:43

06:39

20 Bad
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
18 Bad
19 OK

Sun - Rise: 08:17, Set: 16:18, Transit: 12:18. Moon - Rise: 13:43, Set: 06:39. Civil Dark: 16:57 - 07:38. Nautical Dark: 17:40 - 06:55. Astro Dark: 18:20 - 06:15

Total Clouds (% Sky Obscured)

39
32
50
72
76
83
92
90
97
92
100
76
66
82
81
75
90
91
79
74
76
76
48
46

Low Clouds (% Sky Obscured)

39
32
50
56
64
70
84
87
83
83
46
43
43
82
80
75
89
91
79
72
70
69
48
46

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
1
1
35
43
42
57
40
82
72
82
44
44
20
29
6
15
0
0
1
22
29
1
2

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 (%)

1
8
21
45
73
91
81
9
6
6
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
2
7
11
14
9
8
15
4
2
0
1
6
10
21
20
7
14
3
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
3
4
4
4
4
5
5
5
6
8
9
8
8
10
10
11
11
12
11
10
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
89
89
91
92
92
93
86
86
86
83
84
83
77
75
72
78
76
83
83
79
82
86

Pressure (mb)

1026
1026
1025
1024
1023
1022
1021
1020
1019
1018
1017
1016
1016
1016
1016
1015
1014
1013
1012
1012
1012
1012
1012
1013

Ozone (du)

305
306
306
309
311
313
316
317
316
316
316
315
313
313
317
321
322
325
326
323
325
332
345
348

Thursday 1

Waxing Gibbous 97%

14:45

07:56

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

Sun - Rise: 08:17, Set: 16:19, Transit: 12:18. Moon - Rise: 14:45, Set: 07:56. Civil Dark: 16:58 - 07:38. Nautical Dark: 17:41 - 06:55. Astro Dark: 18:21 - 06:15

Total Clouds (% Sky Obscured)

49
67
56
40
32
67
47
65
51
51
58
56
34
46
52
75
73
77
92
83
53
37
54
18

Low Clouds (% Sky Obscured)

49
54
56
40
32
66
41
54
36
40
46
47
33
46
49
75
73
77
89
77
48
31
44
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
6
11
20
10
13
17
0
0
33
38
41
46
59
72
29
11
7
4

High Clouds (% Sky Obscured)

1
17
1
1
1
1
1
0
2
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
9
9
9
9
9
1
0
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
Light Rain
None
None
None
None
None

Precipitation Probability (%)

4
1
6
3
4
16
7
6
17
3
2
3
1
1
1
6
19
50
66
37
22
20
17
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
89
89
89
91
89
89
89
91
91
91
91
91
86
79
76
75
91
96
89
89
88
84

Pressure (mb)

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

Ozone (du)

350
348
348
348
345
343
342
339
335
331
326
319
312
311
311
307
302
301
296
297
293
305
321
330

Friday 2

Waxing Gibbous 100%

16:05

08:53

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

Sun - Rise: 08:16, Set: 16:20, Transit: 12:18. Moon - Rise: 16:05, Set: 08:53. Civil Dark: 16:59 - 07:37. Nautical Dark: 17:42 - 06:55. Astro Dark: 18:22 - 06:15

Total Clouds (% Sky Obscured)

1
4
8
14
24
26
27
30
58
53
59
45
74
78
72
64
37
48
68
59
55
46
30
17

Low Clouds (% Sky Obscured)

0
4
8
14
24
26
27
30
56
53
57
45
58
62
50
44
19
12
4
14
25
35
25
14

Medium Clouds (% Sky Obscured)

0
0
0
0
2
0
2
0
2
2
7
13
47
19
44
49
17
37
60
49
34
20
13
7

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
6
1
8
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
0
0
3
4
5
10
22
30
20
23
16
4
4
1
4
5
5
7
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)

6
6
6
6
6
6
6
6
6
6
7
8
8
10
10
11
12
12
11
11
10
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
77
75
75
75
77
78
77
77
78
84
89
91
91
84
77
71
66
63
63
67
75
84
87

Pressure (mb)

1008
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1009
1009
1009
1009
1009
1010
1010
1010
1010
1011
1011
1012

Ozone (du)

330
334
338
340
349
353
361
365
366
360
359
361
360
364
368
369
371
367
368
369
368
363
353
342

Saturday 3

Full Moon 99%

17:34

09:32

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

Sun - Rise: 08:16, Set: 16:22, Transit: 12:19. Moon - Rise: 17:34, Set: 09:32. Civil Dark: 17:00 - 07:37. Nautical Dark: 17:43 - 06:55. Astro Dark: 18:23 - 06:15

Total Clouds (% Sky Obscured)

1
13
24
33
53
34
30
29
27
27
41
48
49
53
54
53
50
46
40
50
65
81
83
83

Low Clouds (% Sky Obscured)

0
13
24
33
48
34
30
29
27
27
41
43
45
46
47
48
45
42
36
42
51
62
56
49

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
3
0
0
0
0
0
0
0
0
0
10
20
32
28
26

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
7
8
8
8
6
3
0
6
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
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
1
2
2
3
3
0
1
1
0
1
1
1
3
3
3
8
9
7
14
14
12
14
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
78
77
78
77
80
77
75
72
68
68
70
71
72
71
70
68
73
79
85
89
92
98
94

Pressure (mb)

1012
1013
1013
1014
1014
1014
1015
1015
1016
1016
1016
1018
1018
1019
1019
1019
1019
1019
1019
1018
1019
1019
1019
1019

Ozone (du)

338
340
341
347
350
355
358
358
358
356
355
357
359
362
360
359
358
357
356
356
358
360
363
363

Sunday 4

Waning Gibbous 96%

19:03

09:57

20 Bad
21 Bad
22 Bad
23 OK
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 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 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)

84
61
39
17
23
31
38
47
56
67
59
46
38
40
47
50
51
51
53
62
70
76
68
60

Low Clouds (% Sky Obscured)

43
33
25
17
16
13
10
25
39
56
45
35
24
28
31
42
48
51
53
60
69
75
68
60

Medium Clouds (% Sky Obscured)

24
16
7
1
6
12
21
24
32
45
54
46
38
40
47
40
25
11
0
4
7
9
6
3

High Clouds (% Sky Obscured)

4
2
0
0
0
0
0
0
4
10
20
20
35
19
16
6
5
4
4
3
1
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

12
18
18
16
17
16
7
26
39
51
58
53
52
46
39
34
29
22
7
11
10
3
9
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
92
91
91
89
89
87
91
94
96
98
96
94
93
90
86
85
85
83
82
82
80
80

Pressure (mb)

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

Ozone (du)

364
364
361
357
354
352
350
348
351
353
355
360
364
369
373
376
380
380
380
380
382
383
384
379

Monday 5

Waning Gibbous 90%

No Rise

10:16

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

Sun - Rise: 08:16, Set: 16:24, Transit: 12:20. Moon - Rise: No Rise, Set: 10:16. Civil Dark: 17:03 - 07:37. Nautical Dark: 17:45 - 06:55. Astro Dark: 18:25 - 06:15

Total Clouds (% Sky Obscured)

55
42
23
5
4
4
4
19
33
44
39
32
30
34
39
45

Low Clouds (% Sky Obscured)

55
42
23
5
4
4
4
15
26
39
37
32
30
34
38
40

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
9
14

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

1
2
2
0
0
0
0
0
0
0
0
0
0
3
7
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4
-3
-3
-3
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

81
81
84
86
89
87
87
87
87
87
89
89
87
87
86
85

Pressure (mb)

1020
1021
1021
1022
1023
1023
1023
1024
1024
1024
1024
1024
1025
1025
1025
1025

Ozone (du)

374
369
367
365
362
362
361
360
365
370
375
372
369
366
366
366

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

Generated: 30/12/25 20:08:18. Forecast: 30/12/25 to 05/01/26. Timezone: UTC+0.00