Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 8

Waning Gibbous 77%

19:51

11:58

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
15 Bad

Sun - Rise: 08:10, Set: 15:49, Transit: 12:00. Moon - Rise: 19:51, Set: 11:58. Civil Dark: 16:31 - 07:28. Nautical Dark: 17:16 - 06:43. Astro Dark: 17:59 - 06:01

Total Clouds (% Sky Obscured)

100
100
100
93
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
100
95
100
90

Low Clouds (% Sky Obscured)

76
72
82
74
77
72
71
66
74
88
80
87
81
86
84
87
88
100
94
93
100
81
62
74

Medium Clouds (% Sky Obscured)

100
97
100
89
86
29
20
19
100
100
100
100
100
100
100
100
95
72
100
75
65
49
75
54

High Clouds (% Sky Obscured)

100
100
74
50
54
100
100
100
100
100
100
100
100
100
100
100
100
100
100
71
84
65
100
71

ISS Passover

Visibility (miles)

9
3
9
6
4
9
4
0
1
0
0
3
3
7
4
9
2
9
5
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
2
72
89
69
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
Very Light Rain
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

Precipitation Probability (%)

87
64
48
46
41
5
0
2
47
92
95
95
95
95
95
94
62
55
38
9
3
10
20
33

Precipitation Amount (mm)

1
0.6
0.3
0
0
0
0
0
0.2
0.5
1.5
2
2
1.1
1.4
0.6
0.2
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
11
11
11
11
10
10
10
10
12
14
17
21
24
25
27
26
27
27
28
30
28
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
93
95
95
95
95
96
96
96
98
98
95
95
96
95
93
95
91
95
95
90
92
93
95

Pressure (mb)

1005
1005
1005
1006
1006
1006
1005
1005
1004
1003
1003
1001
1000
999
997
997
996
996
996
995
994
993
993
994

Ozone (du)

333
333
330
329
329
325
323
324
319
312
302
296
297
293
294
295
295
294
295
292
289
288
287
285

Tuesday 9

Waning Gibbous 67%

21:18

12:11

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 OK
15 Bad

Sun - Rise: 08:11, Set: 15:49, Transit: 12:00. Moon - Rise: 21:18, Set: 12:11. Civil Dark: 16:31 - 07:29. Nautical Dark: 17:16 - 06:44. Astro Dark: 17:59 - 06:02

Total Clouds (% Sky Obscured)

98
68
63
53
48
57
35
46
54
53
69
62
65
79
82
60
66
80
71
77
58
45
41
55

Low Clouds (% Sky Obscured)

79
61
55
45
48
57
35
46
54
53
69
62
65
79
82
60
66
80
71
62
58
45
41
55

Medium Clouds (% Sky Obscured)

52
24
23
2
0
0
0
0
9
7
12
5
0
0
0
0
1
1
0
34
0
0
0
0

High Clouds (% Sky Obscured)

22
8
8
53
3
2
2
10
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
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 (%)

28
1
2
0
0
0
0
0
3
0
0
4
4
3
4
3
5
17
8
12
2
0
0
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)

25
25
22
20
19
18
17
16
15
15
15
15
14
14
15
15
15
15
16
17
17
18
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
3
3
3
4
4
3
4
4
5
5
4
4
4
4
4
3
4
5
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

92
83
85
84
82
87
88
88
90
91
93
94
94
93
93
88
88
90
90
85
85
84
80
82

Pressure (mb)

995
996
998
999
1001
1002
1003
1004
1004
1005
1005
1006
1006
1006
1007
1007
1008
1009
1009
1010
1010
1011
1011
1012

Ozone (du)

283
284
284
285
284
282
283
286
288
288
290
293
296
301
303
307
310
312
317
322
328
328
324
321

Wednesday 10

Waning Gibbous 57%

22:41

12:21

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 OK
07 OK
08 Good
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:12, Set: 15:49, Transit: 12:01. Moon - Rise: 22:41, Set: 12:21. Civil Dark: 16:31 - 07:30. Nautical Dark: 17:16 - 06:45. Astro Dark: 17:59 - 06:03

Total Clouds (% Sky Obscured)

55
41
35
85
74
91
95
100
82
71
76
93
65
65
37
15
6
36
64
74
76
74
78
83

Low Clouds (% Sky Obscured)

51
38
34
29
43
51
59
57
49
56
59
58
65
53
37
15
6
36
64
73
61
49
33
46

Medium Clouds (% Sky Obscured)

6
7
7
22
15
13
61
63
64
66
65
47
3
2
0
0
0
0
0
0
0
0
0
25

High Clouds (% Sky Obscured)

0
0
0
50
66
83
89
100
74
42
40
48
43
42
18
4
2
2
20
26
35
35
35
30

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
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)

16
15
13
11
11
11
11
11
12
13
11
12
12
10
10
9
8
8
9
11
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
90
90
93
93
93
91
91
93
91
93
93
93
94
94
94
93
91
85
88
90
88
90
93

Pressure (mb)

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

Ozone (du)

318
319
319
320
318
315
311
304
303
303
304
305
306
306
304
303
302
302
303
303
307
308
310
309

Thursday 11

Third Quarter 46%

23:58

12:29

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
15 Bad

Sun - Rise: 08:13, Set: 15:49, Transit: 12:01. Moon - Rise: 23:58, Set: 12:29. Civil Dark: 16:31 - 07:31. Nautical Dark: 17:16 - 06:46. Astro Dark: 17:59 - 06:04

Total Clouds (% Sky Obscured)

88
90
94
96
98
85
99
100
99
99
98
99
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

62
69
71
56
49
61
87
90
91
92
92
62
50
63
63
61
64
76
97
95
92
87
81
69

Medium Clouds (% Sky Obscured)

30
2
20
34
51
66
69
67
56
53
48
75
78
98
99
99
100
99
99
98
96
79
99
88

High Clouds (% Sky Obscured)

30
2
9
36
41
55
81
99
78
66
49
51
44
41
39
37
35
32
28
2
27
74
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
1
9
9
9
9
9
9
9
9
9
4
2
2
9
9
9
9
9
1

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

Precipitation Probability (%)

3
1
0
0
0
1
1
1
6
5
2
7
4
4
33
59
87
95
95
95
91
61
31
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.8
0.9
1.3
0.7
0.3
0
0

Wind Speed/Direction (mph)

13
13
13
14
15
15
16
16
16
17
17
17
16
15
14
14
15
15
10
7
11
11
10
9

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8
7
7
7
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
91
91
91
93
94
94
91
91
90
91
91
93
94
94
96
96
96
94
93
91
91
93
96

Pressure (mb)

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

Ozone (du)

310
312
313
307
306
304
303
303
304
306
307
311
312
311
314
315
317
319
321
325
325
325
326
328

Friday 12

Waning Crescent 36%

01:13

12:38

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
15 Bad

Sun - Rise: 08:14, Set: 15:49, Transit: 12:02. Moon - Rise: 01:13, Set: 12:38. Civil Dark: 16:31 - 07:32. Nautical Dark: 17:16 - 06:47. Astro Dark: 17:59 - 06:04

Total Clouds (% Sky Obscured)

100
100
92
87
80
84
92
100
97
95
92
91
89
85
76
66
60
68
80
89
92
96
100
97

Low Clouds (% Sky Obscured)

55
53
58
36
17
21
23
30
40
45
52
50
48
48
59
50
42
41
37
34
56
78
99
95

Medium Clouds (% Sky Obscured)

12
3
0
0
55
67
82
100
81
60
40
43
56
60
61
57
51
57
62
70
81
90
100
89

High Clouds (% Sky Obscured)

100
100
82
67
45
63
75
100
75
50
20
20
20
20
25
40
45
37
21
1
1
1
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
Very Light Rain
None
None

Precipitation Probability (%)

2
2
0
0
0
0
0
0
28
39
41
29
26
6
7
4
4
1
1
3
28
48
50
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

6
6
5
7
8
9
11
13
15
15
16
18
16
14
13
12
11
11
12
13
15
15
16
16

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
5
4
5
5
5
5
5
5
4
4
4
5
5
6
6
6
6

Feels Like (°C)

3
2
3
2
2
2
2
2
1
1
2
1
2
1
1
1
1
1
1
1
1
3
2
2

Dew Point (°C)

5
4
3
3
4
4
3
3
3
3
3
4
4
4
4
3
3
3
4
4
4
4
4
5

Relative Humidity (%)

98
94
91
89
93
93
89
88
89
88
88
91
93
93
93
93
93
94
93
90
88
90
90
93

Pressure (mb)

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

Ozone (du)

331
333
333
332
334
335
335
336
338
342
345
353
358
365
373
383
394
404
408
411
415
409
403
397

Saturday 13

Waning Crescent 27%

02:27

12:47

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
15 Bad

Sun - Rise: 08:15, Set: 15:49, Transit: 12:02. Moon - Rise: 02:27, Set: 12:47. Civil Dark: 16:31 - 07:33. Nautical Dark: 17:16 - 06:48. Astro Dark: 17:59 - 06:05

Total Clouds (% Sky Obscured)

92
90
93
96
98
97
97
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
86
86
85
84
84
85
87
90
94
98
94
91
86
91
95
100
100
100
100
100
100
100
93

Medium Clouds (% Sky Obscured)

78
67
78
89
98
97
93
89
76
56
43
35
29
20
46
71
95
86
76
71
76
78
77
68

High Clouds (% Sky Obscured)

23
33
32
33
38
49
61
77
81
83
87
90
87
85
89
94
99
85
71
58
72
88
100
100

ISS Passover

Visibility (miles)

9
9
9
9
8
7
5
3
1
4
7
9
8
7
6
4
3
2
1
1
0
0
0
0

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

Precipitation Probability (%)

46
31
34
60
65
68
86
81
63
71
61
44
34
26
37
53
56
43
56
86
71
72
66
42

Precipitation Amount (mm)

0
0
0
0.3
0.3
0.3
0.6
0.5
0.2
0.4
0
0
0
0
0
0.2
0.2
0
0
0.6
0.4
0.4
0.4
0

Wind Speed/Direction (mph)

15
14
14
15
15
15
17
19
21
21
22
22
22
23
23
24
25
26
24
23
22
21
21
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
94
94
95
96
96
96
95
95
93
93
91
93
93
95
95
96
96
98
98
96

Pressure (mb)

1013
1012
1012
1012
1011
1011
1010
1010
1009
1009
1009
1009
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1005

Ozone (du)

388
379
369
364
359
353
345
337
328
325
321
317
318
319
319
320
320
321
317
313
309
306
302
298

Sunday 14

Waning Crescent 19%

03:41

12:57

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: 08:16, Set: 15:49, Transit: 12:03. Moon - Rise: 03:41, Set: 12:57. Civil Dark: 16:31 - 07:34. Nautical Dark: 17:17 - 06:48. Astro Dark: 17:59 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
94
89
93
96
100
100
100
100
85
65
48

Low Clouds (% Sky Obscured)

85
79
80
83
86
83
79
78
81
86
89
88
87
84
85
86
88
77
64
48

Medium Clouds (% Sky Obscured)

59
50
65
80
96
97
99
100
73
46
20
44
67
88
76
68
58
50
43
40

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
84
65
18
12
11
15
39
68
93
85
65
48

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
1
1
4
6
9
8
7
6
7
8
9
9
9

Fog (%)

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

Precipitation Probability (%)

41
44
47
65
65
56
54
41
41
44
45
35
28
30
26
22
29
21
34
50

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

21
21
21
21
21
22
22
23
23
19
16
17
16
16
16
17
19
21
22
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
10
10
10
10
10
9
8
7
6
6
5
5
4
3
3
4

Relative Humidity (%)

98
98
96
96
96
96
96
96
96
95
95
95
91
88
87
84
82
78
79
81

Pressure (mb)

1005
1004
1004
1004
1003
1003
1002
1001
1001
1001
1002
1002
1003
1003
1004
1004
1004
1005
1004
1003

Ozone (du)

295
293
290
291
291
291
291
290
290
290
290
291
296
302
308
317
326
335
335
335

Forecast for Buxton, Derbyshire, United Kingdom (53.26,-1.91)

Generated: 08/12/25 16:18:26. Forecast: 08/12/25 to 14/12/25. Timezone: UTC+0.00