Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 7

Waning Gibbous 86%

18:33

11:02

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
10 Bad

Sun - Rise: 08:01, Set: 16:01, Transit: 12:01. Moon - Rise: 18:33, Set: 11:02. Civil Dark: 16:41 - 07:22. Nautical Dark: 17:23 - 06:39. Astro Dark: 18:04 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
100
81
82
70
73
67
86
44
54
97
43
92
95
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
90
98
100
73
70
63
69
67
40
44
54
72
30
40
66
62
57
61
62
66
60
68
63

Medium Clouds (% Sky Obscured)

100
88
89
59
41
18
2
0
0
0
0
0
1
38
51
40
43
80
65
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
90
69
13
82
70
60
6
37
0
0
60
43
89
94
55
61
97
100
100
100
100
100

ISS Passover

Visibility (miles)

2
3
7
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

Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
17
11
16
5
1
0
0
0
0
1
0
0
1
3
23
38
6
3
24
38
45

Precipitation Amount (mm)

1.7
1.4
1.6
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
12
15
20
19
20
20
20
17
14
12
12
13
13
13
12
13
13
13
13
14
15
14
15

Chance of Frost

Temperature (°C)

14
14
13
13
14
14
13
12
12
11
10
9
9
9
9
9
9
9
10
10
10
11
11
11

Feels Like (°C)

10
9
8
9
9
8
7
6
7
9
8
8
6
5
4
4
5
5
5
6
6
6
7
7

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
96
89
93
87
87
90
95
95
95
96
93
90
91
93
91
93
90
90
88
88
87

Pressure (mb)

998
997
997
997
997
998
999
1001
1002
1003
1004
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1008

Ozone (du)

286
287
290
288
290
288
290
295
301
305
306
305
305
304
303
305
307
306
315
318
320
324
326
332

Monday 8

Waning Gibbous 77%

20:02

11:32

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
10 Bad

Sun - Rise: 08:02, Set: 16:01, Transit: 12:01. Moon - Rise: 20:02, Set: 11:32. Civil Dark: 16:41 - 07:23. Nautical Dark: 17:23 - 06:40. Astro Dark: 18:04 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
74
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

68
60
63
59
55
63
66
68
73
78
79
79
95
96
97
86
88
87
86
86
84
84
86
100

Medium Clouds (% Sky Obscured)

60
100
81
74
67
20
67
50
34
63
84
50
51
100
100
100
96
100
100
100
97
78
81
100

High Clouds (% Sky Obscured)

30
37
100
10
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
38

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
9
3
7
6
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

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

Precipitation Probability (%)

63
60
56
81
51
31
16
6
15
12
12
27
86
95
95
93
95
95
95
95
56
77
77
40

Precipitation Amount (mm)

0.3
0.3
0
0.3
0
0
0
0
0
0
0
0
0.7
0.8
0.6
0.4
0.9
1.1
1.3
0.7
0
0.3
0.4
0

Wind Speed/Direction (mph)

16
14
13
13
16
13
13
13
11
10
10
9
12
13
16
19
20
23
25
26
27
26
26
26

Chance of Frost

Temperature (°C)

12
12
12
12
12
11
11
11
11
11
11
11
12
12
12
13
13
12
12
12
12
12
12
13

Feels Like (°C)

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

Dew Point (°C)

10
10
10
11
10
10
10
10
10
10
10
11
11
11
12
12
12
11
11
11
11
11
11
11

Relative Humidity (%)

87
88
90
93
89
93
91
90
91
93
95
96
95
96
95
93
93
93
92
92
92
92
90
87

Pressure (mb)

1008
1008
1007
1007
1008
1008
1008
1008
1008
1009
1009
1008
1007
1007
1006
1006
1005
1004
1003
1002
1002
1001
1001
1002

Ozone (du)

335
335
336
338
334
334
336
336
332
327
325
322
316
307
302
297
294
292
291
291
292
291
290
290

Tuesday 9

Waning Gibbous 67%

21:26

11:53

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
10 Bad

Sun - Rise: 08:03, Set: 16:01, Transit: 12:02. Moon - Rise: 21:26, Set: 11:53. Civil Dark: 16:40 - 07:24. Nautical Dark: 17:23 - 06:41. Astro Dark: 18:04 - 06:01

Total Clouds (% Sky Obscured)

100
100
76
93
97
92
94
98
98
98
98
100
99
100
94
100
99
64
93
83
78
85
73
62

Low Clouds (% Sky Obscured)

100
100
66
72
74
73
60
61
60
52
64
65
61
58
67
65
64
62
39
38
36
37
42
45

Medium Clouds (% Sky Obscured)

94
93
52
90
96
92
94
97
97
98
62
84
37
42
26
40
0
0
1
0
0
3
3
0

High Clouds (% Sky Obscured)

100
50
3
1
20
5
15
29
10
21
10
79
12
76
17
85
85
8
93
83
78
71
51
28

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
3
3
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

53
44
52
44
52
61
93
95
72
5
23
26
8
26
30
22
6
1
14
1
0
0
1
3

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
1.1
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

27
25
24
22
21
21
19
18
17
18
17
17
18
16
16
15
16
16
14
13
13
11
10
11

Chance of Frost

Temperature (°C)

13
13
13
13
13
12
12
11
11
11
11
11
11
11
11
11
10
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

11
12
12
12
12
11
11
11
10
10
9
8
8
8
10
10
8
7
6
7
7
7
7
8

Relative Humidity (%)

86
92
90
92
92
92
92
95
95
90
88
83
83
85
93
95
90
85
82
85
87
88
91
91

Pressure (mb)

1001
1001
1001
1001
1001
1002
1002
1002
1002
1003
1003
1002
1002
1002
1002
1002
1004
1006
1008
1010
1011
1012
1013
1014

Ozone (du)

290
289
290
290
288
289
289
287
287
290
292
293
293
293
292
292
292
293
294
293
294
297
300
304

Wednesday 10

Waning Gibbous 57%

22:46

12:08

11 Bad
12 Bad
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
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
10 Bad

Sun - Rise: 08:04, Set: 16:01, Transit: 12:02. Moon - Rise: 22:46, Set: 12:08. Civil Dark: 16:40 - 07:25. Nautical Dark: 17:23 - 06:42. Astro Dark: 18:04 - 06:01

Total Clouds (% Sky Obscured)

50
45
37
32
39
36
32
27
27
25
15
14
14
17
30
36
46
72
73
65
68
66
69
74

Low Clouds (% Sky Obscured)

50
45
37
32
39
36
32
27
27
25
15
14
14
17
30
36
46
61
66
61
63
52
59
72

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)

0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
3
15
12
2
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 (%)

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

12
14
12
12
9
7
6
6
5
5
4
4
4
4
4
4
4
5
5
6
8
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
84
84
85
91
95
96
96
96
96
96
94
93
94
96
96
96
98
96
96
91
93
93

Pressure (mb)

1015
1015
1016
1016
1017
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1018
1018
1018
1018

Ozone (du)

302
304
309
309
308
310
308
309
308
308
308
309
309
309
308
311
312
314
315
314
317
321
324
328

Thursday 11

Third Quarter 46%

00:01

12:21

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
10 Bad

Sun - Rise: 08:05, Set: 16:01, Transit: 12:03. Moon - Rise: 00:01, Set: 12:21. Civil Dark: 16:40 - 07:26. Nautical Dark: 17:23 - 06:43. Astro Dark: 18:04 - 06:02

Total Clouds (% Sky Obscured)

75
76
74
76
84
92
96
100
100
99
99
99
98
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

66
65
60
56
64
71
77
79
80
83
79
76
72
72
72
71
50
30
13
10
6
2
10
15

Medium Clouds (% Sky Obscured)

0
7
15
58
72
87
58
99
98
75
58
78
48
37
29
24
22
17
16
31
47
68
73
78

High Clouds (% Sky Obscured)

2
27
27
41
48
50
76
80
81
81
85
76
65
75
87
92
94
97
100
100
100
100
100
100

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

Precipitation Probability (%)

1
6
6
2
9
10
4
19
25
27
29
28
40
79
95
95
80
49
20
13
10
3
8
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.7
0.6
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
90
90
91
95
95
98
96
96
96
95
91
95
93
95
93
91
91
90
90
90
90
90

Pressure (mb)

1017
1016
1016
1015
1014
1014
1014
1013
1013
1013
1012
1012
1011
1011
1011
1010
1010
1011
1011
1011
1012
1012
1013
1013

Ozone (du)

327
324
322
323
319
313
313
313
311
310
310
308
308
309
310
311
312
314
315
316
317
318
320
321

Friday 12

Waning Crescent 36%

01:14

12:31

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
10 Bad

Sun - Rise: 08:06, Set: 16:01, Transit: 12:03. Moon - Rise: 01:14, Set: 12:31. Civil Dark: 16:40 - 07:27. Nautical Dark: 17:23 - 06:44. Astro Dark: 18:04 - 06:03

Total Clouds (% Sky Obscured)

100
86
74
61
59
60
68
82
91
99
99
99
99
73
50
45
58
80
88
92
94
97
96
95

Low Clouds (% Sky Obscured)

19
32
48
61
59
60
68
54
39
27
27
28
29
36
44
45
58
71
80
80
79
78
81
81

Medium Clouds (% Sky Obscured)

86
80
70
61
59
60
68
77
74
74
79
82
87
71
50
37
48
56
70
71
69
72
77
83

High Clouds (% Sky Obscured)

100
70
40
15
14
9
8
5
7
8
7
5
4
3
1
0
6
12
17
41
66
91
68
43

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

21
26
31
44
59
77
95
87
69
46
27
12
1
3
7
6
20
30
34
34
38
34
49
63

Precipitation Amount (mm)

0
0
0
0
0.2
0.5
1
0.7
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

8
8
8
8
8
7
6
6
6
6
7
8
9
10
11
12
14
15
16
16
16
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
91
91
93
93
96
94
93
93
91
91
93
90
90
88
88
87
87
88
88
90
90

Pressure (mb)

1013
1013
1013
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1016
1016
1016
1016

Ozone (du)

322
323
322
321
319
317
315
313
314
316
317
320
323
325
330
335
340
339
339
339
340
340
341
342

Saturday 13

Waning Crescent 27%

02:25

12:42

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: 08:07, Set: 16:01, Transit: 12:04. Moon - Rise: 02:25, Set: 12:42. Civil Dark: 16:41 - 07:27. Nautical Dark: 17:23 - 06:44. Astro Dark: 18:04 - 06:04

Total Clouds (% Sky Obscured)

94
95
95
96
96
95
95
94
91
91
86
75
66
74
83
92
96
97
99

Low Clouds (% Sky Obscured)

81
86
89
92
86
81
72
63
48
50
51
46
52
61
82
92
91
90
89

Medium Clouds (% Sky Obscured)

89
86
82
78
62
44
26
29
29
27
39
53
66
65
65
61
64
65
68

High Clouds (% Sky Obscured)

13
8
8
8
39
67
90
54
42
34
42
48
55
70
83
86
75
64
58

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

75
80
86
90
94
94
94
70
53
46
36
23
6
14
20
26
35
46
49

Precipitation Amount (mm)

0.4
0.3
0.4
0.3
0.6
0.6
0.8
0.4
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

16
17
20
23
25
21
18
17
16
15
15
14
14
15
15
15
16
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
4
4
4
5
6
7
2
4
5
5
5
5
6
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1015
1015
1014
1013
1012
1013
1014
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1016
1015

Ozone (du)

343
344
343
343
342
340
339
337
337
337
337
336
336
335
331
326
322
322
322

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

Generated: 07/12/25 11:15:41. Forecast: 07/12/25 to 13/12/25. Timezone: UTC+0.00