Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 8

Waning Gibbous 77%

19:59

11:34

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 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:03, Set: 15:58, Transit: 12:01. Moon - Rise: 19:59, Set: 11:34. Civil Dark: 16:38 - 07:23. Nautical Dark: 17:21 - 06:40. Astro Dark: 18:02 - N/A

Total Clouds (% Sky Obscured)

90
92
94
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

73
68
65
59
62
75
52
49
60
55
56
64
81
84
88
100
88
89
87
87
89
86
86
88

Medium Clouds (% Sky Obscured)

90
63
94
61
59
46
34
47
84
48
83
61
46
70
94
63
97
71
100
100
100
100
100
100

High Clouds (% Sky Obscured)

90
92
94
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
86
92
100

ISS Passover

Visibility (miles)

7
7
9
9
9
9
9
9
6
9
9
9
9
9
9
9
5
9
5
5
3
4
2
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

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

Precipitation Probability (%)

47
36
34
10
4
3
3
37
28
30
35
27
20
41
60
78
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
1.3
1.3
1.5
1.6
1.8
2.9
2.8
1.5

Wind Speed/Direction (mph)

12
12
13
13
13
14
15
14
13
12
11
12
12
12
12
13
10
13
16
18
20
22
23
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
86
87
86
86
84
84
90
90
93
91
91
92
93
92
93
96
93
93
90
90
92
89

Pressure (mb)

1005
1006
1006
1007
1007
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1005
1004
1004
1003
1001
1000

Ozone (du)

314
318
321
327
328
327
328
328
329
329
324
325
325
326
326
323
320
317
314
306
298
295
293
291

Tuesday 9

Waning Gibbous 67%

21:24

11:54

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 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:04, Set: 15:58, Transit: 12:01. Moon - Rise: 21:24, 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)

100
100
100
100
100
100
100
88
96
91
80
75
68
72
89
100
99
74
97
74
72
73
75
75

Low Clouds (% Sky Obscured)

87
100
100
100
100
100
100
73
92
85
70
58
58
61
68
57
60
50
63
74
72
73
75
75

Medium Clouds (% Sky Obscured)

100
96
94
57
63
91
88
66
51
60
65
70
62
42
39
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
90
68
87
97
100
25
36
45
47
17
29
58
42
58
86
84
46
72
0
0
0
0
0

ISS Passover

Visibility (miles)

8
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

Light Rain
Light Rain
Very 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
55
33
8
29
48
37
18
30
34
12
0
0
2
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.4
1
0.2
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
25
25
25
26
27
29
27
27
25
23
19
18
16
15
14
13
12
12
11
11
11
12
12

Chance of Frost

Temperature (°C)

12
13
13
13
13
14
14
14
15
14
13
12
11
10
10
9
9
9
9
9
8
8
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
87
86
86
84
87
90
90
90
92
87
87
88
90
91
91
91
91
91
90
93
93
93

Pressure (mb)

1000
999
999
999
998
998
998
997
998
998
999
1001
1002
1004
1005
1006
1007
1007
1008
1008
1009
1010
1010
1010

Ozone (du)

290
290
292
293
294
293
290
288
285
283
286
287
286
285
286
288
288
289
290
292
292
292
295
299

Wednesday 10

Waning Gibbous 57%

22:45

12:09

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

Sun - Rise: 08:05, Set: 15:58, Transit: 12:01. Moon - Rise: 22:45, 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)

77
73
71
70
62
55
57
46
42
20
34
49
22
37
36
67
72
78
67
37
18
19
25
52

Low Clouds (% Sky Obscured)

77
73
71
66
62
55
57
45
40
20
34
49
22
37
36
45
41
51
41
32
18
19
25
45

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
25
16
8
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
25
15
10
16
4
2
0
1
14

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 (%)

2
2
2
3
4
0
5
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)

12
12
12
13
14
16
17
16
14
12
9
10
11
10
9
8
8
7
7
6
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
87
85
87
85
84
87
91
93
90
91
93
93
94
93
94
94
94
91
91
93

Pressure (mb)

1011
1011
1012
1013
1014
1014
1015
1016
1017
1017
1018
1019
1020
1021
1021
1022
1022
1023
1022
1022
1022
1022
1022
1021

Ozone (du)

301
303
304
304
308
310
314
311
312
311
311
312
312
309
309
306
303
300
298
297
298
299
299
302

Thursday 11

Third Quarter 54%

00:00

12:20

06 OK
07 OK
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 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:06, Set: 15:58, Transit: 12:02. Moon - Rise: 00:00, 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)

32
39
51
54
53
61
71
83
82
90
93
98
99
99
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

32
39
51
54
53
61
71
71
67
74
81
87
92
96
100
100
100
99
89
79
69
67
64
63

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
40
47
66
77
83
89
96
97
99
93
79
80
54
53
89
98

High Clouds (% Sky Obscured)

3
5
8
5
3
0
0
5
10
15
20
40
67
74
55
76
100
100
100
100
100
97
94
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
9
9
5
1
0
2
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
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
9
18
25
32
26
20
23
53
63
53
39
34
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
8
9
10
11
10
10
11
12
13
13
13
14
14
14
13
13
13
13
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
4
5
5
6
7
8
7
6
6
5
5
5
5
5
5
6
6
6
6
6
6
7
7

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
96
94
91
90
87
90
88
91
93
93
95
96
96
95
93
95
96
96
96
96
95

Pressure (mb)

1021
1021
1020
1020
1020
1019
1018
1017
1017
1016
1015
1015
1015
1014
1014
1013
1013
1012
1011
1011
1011
1010
1010
1011

Ozone (du)

303
304
305
307
309
312
309
309
308
308
308
308
312
312
305
304
305
305
306
305
304
304
305
306

Friday 12

Waning Crescent 46%

01:13

12:31

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 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:07, Set: 15:58, Transit: 12:02. Moon - Rise: 01:13, 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)

96
93
90
94
97
100
100
100
100
95
92
85
72
74
76
82
90
100
100
100
100
97
95
93

Low Clouds (% Sky Obscured)

42
21
0
0
0
0
3
6
9
6
7
4
52
48
44
61
72
79
74
69
70
75
74
73

Medium Clouds (% Sky Obscured)

96
58
75
83
90
87
97
63
52
91
86
85
72
74
76
82
90
100
99
97
95
90
88
93

High Clouds (% Sky Obscured)

83
77
71
79
86
93
75
55
30
30
30
35
42
20
4
31
62
92
93
93
92
84
80
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
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 (%)

28
18
2
3
2
6
27
16
2
1
0
2
5
2
1
2
6
7
12
12
4
5
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)

10
9
9
8
8
9
10
9
5
6
5
5
4
9
10
13
15
16
16
15
14
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
91
87
87
90
88
87
87
81
84
90
93
91
91
91
90
91
91
91
93
93
93
93
93

Pressure (mb)

1011
1012
1012
1013
1014
1014
1014
1014
1014
1015
1015
1015
1015
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

306
309
308
310
311
314
317
319
320
321
324
325
326
327
328
328
328
328
328
328
329
330
340
351

Saturday 13

Waning Crescent 36%

02:25

12:40

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
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: 08:08, Set: 15:58, Transit: 12:03. Moon - Rise: 02:25, Set: 12:40. Civil Dark: 16:38 - 07:28. Nautical Dark: 17:21 - 06:44. Astro Dark: 18:03 - 06:03

Total Clouds (% Sky Obscured)

90
86
71
43
30
16
36
63
85
75
68
54
62
64
67
84
95
99
99
99
100
97
95
92

Low Clouds (% Sky Obscured)

74
75
71
43
30
16
36
42
42
42
48
48
51
47
49
66
80
90
95
95
95
90
85
80

Medium Clouds (% Sky Obscured)

65
34
2
1
1
0
6
19
28
26
16
7
9
7
13
12
17
21
21
21
21
22
24
23

High Clouds (% Sky Obscured)

51
28
8
32
30
16
36
60
45
62
68
54
62
62
58
70
76
79
86
93
100
73
50
40

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

4
5
3
5
6
5
10
11
0
3
4
1
10
25
43
73
93
95
95
95
95
95
88
67

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
1.3
1.1
0.8
1
0.7
0.6
0.4

Wind Speed/Direction (mph)

12
12
11
11
13
14
15
15
15
14
13
13
13
14
14
14
14
14
15
14
14
14
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
90
87
82
84
87
88
90
91
94
93
93
93
93
93
94
93
93
93
93
91

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1014
1013
1012
1012
1011
1011
1011

Ozone (du)

361
366
371
376
368
360
353
351
349
348
344
340
336
333
330
328
326
323
321
320
319
318
318
318

Sunday 14

Waning Crescent 27%

03:38

12:51

Sun - Rise: 08:09, Set: 15:58, Transit: 12:03. Moon - Rise: 03:38, Set: 12:51. Civil Dark: 16:38 - 07:29. Nautical Dark: 17:22 - 06:45. Astro Dark: 18:03 - 06:04

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

Generated: 08/12/25 06:56:49. Forecast: 08/12/25 to 14/12/25. Timezone: UTC+0.00