Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 8

Waning Gibbous 77%

19:59

11:54

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:04, Set: 15:58, Transit: 12:01. Moon - Rise: 19:59, Set: 11:54. Civil Dark: 16:38 - 07:24. Nautical Dark: 17:21 - 06:41. Astro Dark: 18:02 - 06:00

Total Clouds (% Sky Obscured)

77
81
82
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
100
96
100
100

Low Clouds (% Sky Obscured)

50
75
54
62
73
75
66
99
100
94
86
87
89
86
86
96
87
97
94
100
100
88
71
82

Medium Clouds (% Sky Obscured)

30
69
26
19
61
88
83
50
100
100
100
100
100
100
100
89
100
98
69
67
71
90
100
86

High Clouds (% Sky Obscured)

77
65
82
100
95
100
100
100
100
100
100
100
100
100
100
100
100
86
87
100
92
17
78
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
8
6
8
3
2
2
3
9
9
9
9
9
9
9
8
9

Fog (%)

0
1
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
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
None
None
None
Very Light Rain
None

Precipitation Probability (%)

8
27
11
1
1
8
41
60
55
75
95
95
95
95
95
95
87
61
67
31
24
57
66
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.2
0.5
1.4
2
2.5
3.6
1.8
1.1
0.6
0.2
0.4
0
0
0
0.3
0

Wind Speed/Direction (mph)

12
11
12
10
9
8
7
8
11
14
18
20
22
23
24
23
23
23
23
24
26
25
25
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
93
93
93
96
96
96
95
92
90
90
90
90
90
87
86
87
87
83
83
86
89
90

Pressure (mb)

1007
1007
1007
1007
1007
1008
1007
1006
1006
1005
1004
1004
1003
1002
1001
1000
1000
999
999
999
998
998
998
998

Ozone (du)

330
325
325
327
327
327
325
320
315
309
304
299
294
290
290
293
293
293
293
292
290
287
286
286

Tuesday 9

Waning Gibbous 67%

21:24

12:09

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:05, Set: 15:58, Transit: 12:01. Moon - Rise: 21:24, Set: 12:09. Civil Dark: 16:38 - 07:25. Nautical Dark: 17:21 - 06:42. Astro Dark: 18:02 - 06:01

Total Clouds (% Sky Obscured)

100
86
100
65
52
48
75
98
100
100
100
100
100
62
63
63
71
71
79
78
68
83
79
65

Low Clouds (% Sky Obscured)

90
77
62
60
40
40
45
55
28
23
29
31
53
60
63
63
71
71
79
78
68
66
65
65

Medium Clouds (% Sky Obscured)

85
36
92
54
41
2
36
1
2
0
0
0
0
0
0
0
0
0
0
0
0
34
25
0

High Clouds (% Sky Obscured)

20
7
58
5
41
35
49
89
97
99
91
100
100
61
55
50
30
15
15
15
20
0
0
0

ISS Passover

Visibility (miles)

9
8
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 (%)

30
23
4
0
0
0
0
0
0
1
0
0
0
0
0
3
3
5
0
2
0
4
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)

24
21
18
16
15
14
13
13
13
12
11
10
10
11
11
11
11
11
12
13
14
15
14
13

Chance of Frost

Temperature (°C)

14
13
12
11
10
10
9
9
9
9
9
8
9
8
9
9
9
9
9
10
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
89
90
91
91
93
93
91
91
91
90
93
93
93
91
91
93
91
90
87
88
87
85

Pressure (mb)

998
1000
1001
1003
1004
1005
1006
1006
1007
1008
1008
1008
1009
1009
1009
1010
1010
1011
1012
1013
1013
1014
1014
1015

Ozone (du)

285
284
284
285
286
286
286
287
287
287
287
286
287
289
293
295
297
297
299
299
301
307
312
314

Wednesday 10

Waning Gibbous 57%

22:45

12:20

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

Sun - Rise: 08:06, Set: 15:58, Transit: 12:02. Moon - Rise: 22:45, Set: 12:20. Civil Dark: 16:38 - 07:26. Nautical Dark: 17:21 - 06:43. Astro Dark: 18:02 - 06:02

Total Clouds (% Sky Obscured)

66
51
48
83
85
68
74
77
53
40
23
36
29
41
65
68
61
86
86
78
83
82
81
81

Low Clouds (% Sky Obscured)

66
51
48
53
57
55
53
53
38
36
20
32
29
41
49
61
46
67
68
64
68
70
72
72

Medium Clouds (% Sky Obscured)

0
0
0
0
13
9
11
8
19
7
4
4
3
0
0
0
0
0
0
0
12
10
20
25

High Clouds (% Sky Obscured)

0
0
0
45
37
12
24
21
20
6
1
1
0
3
59
28
61
45
25
20
20
25
20
18

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
1
1
1
1
1
1
1
1
1

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
93
95
93
94
95
96
96
96
96
93
93
91
90
91
93
93
93
94
94
91
93
90
85

Pressure (mb)

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

Ozone (du)

315
313
313
313
310
311
310
309
305
303
303
302
301
302
302
303
305
306
306
306
309
307
307
313

Thursday 11

Third Quarter 46%

00:00

12:31

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:07, Set: 15:58, Transit: 12:02. Moon - Rise: 00:00, Set: 12:31. Civil Dark: 16:38 - 07:27. Nautical Dark: 17:21 - 06:43. Astro Dark: 18:02 - 06:02

Total Clouds (% Sky Obscured)

79
57
83
90
94
100
100
99
99
97
95
93
96
98
100
100
100
100
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

67
57
66
68
68
67
68
71
74
73
72
71
80
88
96
94
91
87
86
90
90
61
33
5

Medium Clouds (% Sky Obscured)

34
5
3
11
41
28
38
55
59
48
53
51
82
91
98
99
99
57
66
100
89
58
69
95

High Clouds (% Sky Obscured)

11
0
25
47
71
95
74
51
27
23
25
35
35
36
50
59
60
62
56
7
47
55
74
100

ISS Passover

Visibility (miles)

9
9
9
3
9
9
9
9
9
9
9
9
9
9
9
3
9
9
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

2
2
1
5
5
1
15
11
4
13
13
11
12
21
31
44
59
68
87
88
75
56
31
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.6
0.6
0.5
0.2
0
0

Wind Speed/Direction (mph)

10
10
10
11
13
13
13
13
12
11
11
11
11
11
11
11
12
13
14
12
11
10
8
8

Chance of Frost

Temperature (°C)

10
9
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
10
10
10
10
10
9
9

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
7
7
7
8
8
8
8
8
8
9
9
9
9
9
9
9
9
8
7

Relative Humidity (%)

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

Pressure (mb)

1014
1014
1013
1013
1013
1013
1012
1012
1011
1011
1010
1010
1010
1009
1009
1008
1008
1008
1008
1009
1009
1009
1010
1010

Ozone (du)

316
314
311
310
308
309
308
309
310
312
313
315
317
318
320
322
325
328
332
335
335
334
335
336

Friday 12

Waning Crescent 36%

01:13

12:40

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

Sun - Rise: 08:08, Set: 15:58, Transit: 12:03. Moon - Rise: 01:13, Set: 12:40. Civil Dark: 16:38 - 07:28. Nautical Dark: 17:21 - 06:44. Astro Dark: 18:02 - 06:03

Total Clouds (% Sky Obscured)

88
71
56
41
24
10
40
70
100
91
83
75
72
70
59
62
46
30
49
72
96
97
96
95

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
6
13
19
34
49
64
57
47
40
53
36
19
25
31
36
54
72
90

Medium Clouds (% Sky Obscured)

88
71
56
41
24
10
40
70
100
82
67
50
50
60
59
62
46
30
41
53
66
70
72
72

High Clouds (% Sky Obscured)

78
57
36
26
10
10
40
53
100
77
53
23
18
25
30
53
38
22
33
56
80
53
25
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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

3
1
0
0
0
0
0
1
5
37
54
69
55
38
0
1
7
0
2
7
12
27
33
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
5
5
5
6
7
8
9
11
10
10
10
9
9
8
10
9
9
10
12
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
93
94
94
93
94
94
93
91
88
88
88
90
93
93
93
93
93
91
88
84
81
82
84

Pressure (mb)

1011
1012
1012
1012
1012
1012
1013
1012
1012
1012
1011
1011
1011
1011
1012
1012
1016
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

337
336
337
337
336
335
337
337
337
337
342
348
356
363
370
376
386
396
406
403
399
396
389
383

Saturday 13

Waning Crescent 27%

02:25

12:51

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:09, Set: 15:58, Transit: 12:03. Moon - Rise: 02:25, Set: 12:51. Civil Dark: 16:38 - 07:29. Nautical Dark: 17:21 - 06:45. Astro Dark: 18:03 - 06:04

Total Clouds (% Sky Obscured)

93
91
89
91
92
95
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

81
71
62
67
72
76
79
83
86
85
85
85
85
82
82
79
78
74
80
89
100
100
100
100

Medium Clouds (% Sky Obscured)

75
78
85
77
69
61
72
83
95
90
84
83
79
82
87
84
83
78
72
67
64
76
88
100

High Clouds (% Sky Obscured)

6
14
20
25
25
20
40
63
90
92
95
97
97
94
79
83
89
100
95
88
81
85
91
96

ISS Passover

Visibility (miles)

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

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

43
40
29
42
48
53
61
63
70
72
64
47
51
46
40
61
72
76
67
57
56
64
62
74

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.3
0.3
0.4
0.4
0.3
0
0.2
0
0
0.3
0.4
0.5
0.4
0.2
0.2
0.3
0.2
0.5

Wind Speed/Direction (mph)

16
15
14
13
15
16
18
18
19
19
19
18
18
18
18
19
20
20
21
21
20
20
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
6
6
5
5
5
5
6
5
7
6
6
6
5
5
6
6
7
6
7
7
6
6

Dew Point (°C)

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

Relative Humidity (%)

84
87
88
90
91
91
93
91
93
93
93
91
91
90
88
88
90
90
92
93
95
95
95
95

Pressure (mb)

1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1013
1013
1012
1011
1011
1011
1011
1011
1010
1010
1010
1009

Ozone (du)

377
369
361
354
350
347
344
340
335
331
327
323
318
315
313
310
310
311
312
312
313
313
311
310

Sunday 14

Waning Crescent 19%

03:38

13:03

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
11 Bad

Sun - Rise: 08:10, Set: 15:58, Transit: 12:04. Moon - Rise: 03:38, Set: 13:03. Civil Dark: 16:38 - 07:29. Nautical Dark: 17:22 - 06:46. Astro Dark: 18:03 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
94
96
96
98
98
99
92
86
81
70
57
48

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
94
88
83
77
70
72
75
67
56
45
35
24
21
19
14

Medium Clouds (% Sky Obscured)

97
94
91
83
75
67
71
76
81
75
70
64
72
78
80
78
76
81
70
57
48

High Clouds (% Sky Obscured)

72
51
40
60
80
100
100
99
99
72
39
4
13
26
35
58
76
81
70
57
48

ISS Passover

Visibility (miles)

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

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

77
73
95
87
82
85
85
83
74
69
58
38
33
23
8
9
8
8
8
14
19

Precipitation Amount (mm)

0.5
0.3
1.2
0.5
0.5
0.6
0.5
0.4
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
18
18
19
21
22
21
19
18
17
17
16
15
14
13
14
14
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
7
7
7
7
7
7
6
6
6
6
6
6
4
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
93
93
92
93
93
93
93
92
90
90
88
88
87
87
84
84
81
78

Pressure (mb)

1009
1008
1008
1008
1007
1007
1006
1006
1005
1005
1005
1006
1006
1006
1007
1007
1008
1008
1009
1008
1008

Ozone (du)

308
305
302
298
297
295
294
295
295
296
296
295
295
299
303
307
315
323
331
330
328

Forecast for Abbeymead, Gloucestershire, United Kingdom (51.85,-2.21)

Generated: 08/12/25 15:35:05. Forecast: 08/12/25 to 14/12/25. Timezone: UTC+0.00