Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 12%

04:51

13:19

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
15 OK
16 Good

Sun - Rise: 08:11, Set: 15:58, Transit: 12:04. Moon - Rise: 04:51, Set: 13:19. Civil Dark: 16:39 - 07:30. Nautical Dark: 17:22 - 06:46. Astro Dark: 18:03 - 06:05

Total Clouds (% Sky Obscured)

90
92
94
100
100
100
100
99
100
98
93
100
98
100
100
100
70
68
100
100
100
100
39
0

Low Clouds (% Sky Obscured)

75
87
91
78
87
99
100
71
44
32
30
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

90
92
94
100
100
100
99
98
100
98
93
97
86
100
100
100
70
68
99
100
100
100
39
0

High Clouds (% Sky Obscured)

90
92
94
100
100
72
77
92
79
74
87
88
45
40
25
25
25
20
20
32
46
9
39
0

ISS Passover

Visibility (miles)

3
3
3
3
5
5
9
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

35
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

45
54
95
95
84
63
58
59
30
35
24
7
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.9
0.5
0.5
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
18
19
17
16
13
12
12
12
10
6
12
10
9
9
8
8
8
8
8
7
6
5
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
8
6
6
7
6
5
4
4
5
1
2
2
1
2
1
2
3
3
4
4
4
3

Dew Point (°C)

9
9
10
9
9
9
9
7
6
6
6
6
5
4
3
4
3
4
5
4
4
4
5
4

Relative Humidity (%)

93
93
96
95
88
91
90
91
90
93
94
93
90
90
86
88
86
86
85
82
82
82
87
90

Pressure (mb)

1002
1002
1001
1001
1001
1002
1002
1003
1003
1004
1004
1006
1007
1008
1009
1010
1012
1013
1013
1014
1014
1014
1015
1016

Ozone (du)

297
298
301
302
300
297
296
296
294
296
296
298
298
299
309
319
321
326
338
344
343
339
345
347

Tuesday 16

Waning Crescent 7%

06:04

13:40

17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
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

Sun - Rise: 08:11, Set: 15:58, Transit: 12:05. Moon - Rise: 06:04, Set: 13:40. Civil Dark: 16:39 - 07:31. Nautical Dark: 17:22 - 06:47. Astro Dark: 18:03 - 06:06

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
59
87
85
100
100
100
100
100
100
100
100
100
100
100
100
97
84

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
35
0
42
60
70
84
97
96
92
93
95
84

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
13
45
42
59
62
47
59
100
61
100
89
85
90
64
62
22

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
48
60
61
100
84
100
100
100
100
100
100
100
100
20
30
2
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
2
100
100
100
100
100
100
100
100
100
100
39
0
10
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
9
30
52
49
40
32
26
42
43
41

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)

2
3
2
2
2
2
2
3
3
4
5
6
7
8
8
9
10
11
12
14
15
15
15
17

Chance of Frost

Temperature (°C)

5
4
3
3
3
2
2
2
2
2
3
3
3
4
4
5
5
6
7
8
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

3
3
2
1
1
0
-0
0
0
1
2
2
2
3
3
3
3
4
4
5
6
6
6
7

Relative Humidity (%)

89
89
88
89
88
86
86
86
88
88
91
91
91
93
93
89
86
83
81
81
81
82
82
85

Pressure (mb)

1017
1017
1018
1018
1018
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1015
1014
1014
1013

Ozone (du)

353
358
360
347
341
338
333
326
324
320
318
316
313
310
306
304
301
301
299
298
300
298
296
294

Wednesday 17

Waning Crescent 3%

07:16

14:09

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
15 Bad
16 Bad

Sun - Rise: 08:12, Set: 15:59, Transit: 12:05. Moon - Rise: 07:16, Set: 14:09. Civil Dark: 16:39 - 07:31. Nautical Dark: 17:22 - 06:48. Astro Dark: 18:04 - 06:07

Total Clouds (% Sky Obscured)

92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

92
100
100
100
100
100
100
96
92
89
89
90
90
90
88
88
85
84
82
86
90
94
90
87

Medium Clouds (% Sky Obscured)

36
52
40
60
42
97
99
100
100
100
100
100
97
100
100
95
90
100
97
99
98
96
98
99

High Clouds (% Sky Obscured)

5
4
3
13
100
99
100
100
100
100
100
100
100
100
95
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
7
4
4
8
9
2
4
5
5
9
9
9
9
9
9
7
3
2
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

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

Precipitation Probability (%)

62
62
46
38
50
79
95
82
68
95
95
93
83
95
95
95
95
95
95
95
95
95
95
86

Precipitation Amount (mm)

0.3
0.4
0
0
0
0.5
0.9
0.5
0
0.8
1.4
0.5
0.4
0.9
1.4
2.1
1.6
1.4
1
0.9
1.1
1.2
0.6
0.5

Wind Speed/Direction (mph)

16
17
18
19
18
17
16
16
15
16
15
15
16
17
18
19
21
23
24
26
27
27
27
26

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
85
85
87
88
90
93
93
93
95
93
95
93
93
91
88
87
85
87
88
91
90
92

Pressure (mb)

1013
1013
1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1008
1008
1006
1005
1004
1003
1001
1000
999
998
997
998

Ozone (du)

295
297
300
304
304
300
299
300
299
300
299
295
292
290
289
288
286
285
288
291
299
297
296
299

Thursday 18

Waning Crescent 1%

08:20

14:50

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
15 Bad
16 OK

Sun - Rise: 08:13, Set: 15:59, Transit: 12:06. Moon - Rise: 08:20, Set: 14:50. Civil Dark: 16:40 - 07:32. Nautical Dark: 17:23 - 06:48. Astro Dark: 18:04 - 06:07

Total Clouds (% Sky Obscured)

100
99
99
98
96
93
90
85
80
72
72
69
64
69
77
78
74
73
66
59
55
65
61
34

Low Clouds (% Sky Obscured)

84
83
82
78
65
53
41
43
44
46
55
67
64
69
77
78
74
73
66
59
55
50
49
34

Medium Clouds (% Sky Obscured)

100
81
98
96
91
85
80
71
40
0
2
8
3
8
18
13
11
10
12
13
21
50
39
3

High Clouds (% Sky Obscured)

100
86
71
44
58
60
57
42
29
29
32
19
1
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 (%)

45
38
32
39
31
26
16
9
2
0
0
2
3
2
2
0
1
3
1
3
22
9
1
2

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
21
20
18
15
14
11
10
10
11
11
10
9
9
9
9
10
11
12
12
11
10
9

Chance of Frost

Temperature (°C)

12
12
11
11
10
8
8
7
6
6
6
6
6
6
5
6
6
7
8
8
8
8
8
7

Feels Like (°C)

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

Dew Point (°C)

11
9
10
9
8
6
5
4
4
4
4
4
4
4
4
4
5
5
5
5
6
6
6
5

Relative Humidity (%)

93
86
91
87
88
85
84
85
87
87
86
90
90
91
91
91
91
90
84
82
82
84
87
90

Pressure (mb)

998
999
1000
1001
1002
1004
1005
1006
1007
1008
1009
1009
1010
1011
1011
1012
1013
1013
1014
1014
1014
1014
1014
1014

Ozone (du)

303
319
327
330
341
348
348
349
349
353
352
357
366
373
372
368
369
364
356
338
334
344
342
334

Friday 19

Waning Crescent 0%

09:14

15:45

17 OK
18 OK
19 OK
20 OK
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
15 Bad
16 Bad

Sun - Rise: 08:13, Set: 15:59, Transit: 12:06. Moon - Rise: 09:14, Set: 15:45. Civil Dark: 16:40 - 07:32. Nautical Dark: 17:23 - 06:49. Astro Dark: 18:04 - 06:08

Total Clouds (% Sky Obscured)

33
36
35
33
54
73
90
93
93
89
93
96
100
100
100
100
100
100
100
91
86
85
78
71

Low Clouds (% Sky Obscured)

33
36
35
33
42
42
42
43
43
49
70
85
100
88
76
64
55
43
33
35
34
36
43
54

Medium Clouds (% Sky Obscured)

0
0
0
0
2
10
15
16
16
13
21
24
17
10
7
5
5
10
5
20
30
30
20
7

High Clouds (% Sky Obscured)

0
2
2
1
28
57
85
76
66
59
72
84
95
96
98
100
100
100
100
91
86
85
66
35

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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
13
30
47
65
71
68
48
34
23
17
12
5
11
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
4
4
4
4
4
4
4
4
4
4
4
4
5
4
4
4
4
5
5
5
4
4
4

Relative Humidity (%)

93
91
90
90
91
91
90
90
90
90
90
90
90
91
91
91
91
88
85
84
84
82
82
84

Pressure (mb)

1015
1015
1016
1016
1015
1015
1014
1014
1013
1013
1012
1011
1010
1010
1009
1009
1009
1008
1008
1007
1007
1006
1005
1005

Ozone (du)

307
305
303
301
300
296
292
288
287
285
284
284
283
283
285
288
290
293
297
300
304
307
311
314

Saturday 20

New Moon 2%

09:54

16:52

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
15 Bad
16 Bad

Sun - Rise: 08:14, Set: 16:00, Transit: 12:07. Moon - Rise: 09:54, Set: 16:52. Civil Dark: 16:41 - 07:33. Nautical Dark: 17:24 - 06:49. Astro Dark: 18:05 - 06:08

Total Clouds (% Sky Obscured)

63
68
73
77
76
77
82
84
86
89
93
97
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

61
65
68
69
65
63
63
60
57
55
53
52
51
43
37
31
34
38
42
42
42
55
72
78

Medium Clouds (% Sky Obscured)

0
0
0
0
9
19
28
33
37
41
43
46
45
58
71
85
80
72
64
64
64
65
73
83

High Clouds (% Sky Obscured)

9
16
27
37
34
34
35
43
55
69
78
90
100
100
100
100
100
100
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
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
11
9
1
2
2
0
0
0
0
0
0
0
2
3
1
2
2
1
3
3
1
8
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
86
82
79
80
82
83
85
85
86
88
89
91
93
93
96
94
93
91
91
91
93
91

Pressure (mb)

1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1006
1006
1006
1006
1006
1007

Ozone (du)

317
320
320
320
320
321
322
322
318
315
311
312
313
314
324
333
343
345
348
350
351
351
352
352

Sunday 21

Waxing Crescent 6%

10:24

No Set

Sun - Rise: 08:14, Set: 16:01, Transit: 12:07. Moon - Rise: 10:24, Set: No Set. Civil Dark: 16:41 - 07:33. Nautical Dark: 17:24 - 06:50. Astro Dark: 18:05 - 06:09

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: 15/12/25 16:39:50. Forecast: 15/12/25 to 21/12/25. Timezone: UTC+0.00