Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Crescent 25%

12:41

20:07

13 OK
14 OK
15 OK
16 OK
17 OK
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
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

Sun - Rise: 07:49, Set: 15:58, Transit: 11:53. Moon - Rise: 12:41, Set: 20:07. Civil Dark: 16:38 - 07:09. Nautical Dark: 17:21 - 06:26. Astro Dark: 18:02 - 05:44

Total Clouds (% Sky Obscured)

24
20
22
27
19
5
5
5
0
0
9
22
25
22
37
85
74
58
92
75
98
59
71
57

Low Clouds (% Sky Obscured)

24
20
22
26
19
5
5
5
0
0
9
22
25
22
6
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
19
17
13
3
24
38
48
25
27
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
2
4
3
40
31
36
46
53
93
59
71
57

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
16
43
76
92
99
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)

13
12
11
9
7
7
6
6
5
5
4
4
3
3
3
3
3
3
3
4
4
5
6
7

Chance of Frost

Temperature (°C)

6
6
6
4
4
3
3
2
2
1
1
1
1
0
0
-0
-1
-1
-1
-1
0
2
3
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
74
75
80
83
85
86
85
86
84
86
84
86
84
84
84
86
84
86
87
88
84
79
75

Pressure (mb)

1016
1016
1017
1018
1019
1019
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021

Ozone (du)

299
297
295
291
289
291
292
292
290
286
284
284
283
285
285
286
285
282
280
280
278
277
276
277

Wednesday 26

Waxing Crescent 34%

12:55

21:28

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
11 Bad
12 Bad

Sun - Rise: 07:51, Set: 15:57, Transit: 11:53. Moon - Rise: 12:55, Set: 21:28. Civil Dark: 16:37 - 07:10. Nautical Dark: 17:20 - 06:27. Astro Dark: 18:02 - 05:46

Total Clouds (% Sky Obscured)

91
96
96
95
100
100
100
100
100
100
98
98
100
99
100
100
100
99
99
99
99
100
100
100

Low Clouds (% Sky Obscured)

0
71
75
70
100
100
100
100
100
100
92
92
86
85
85
75
88
67
76
78
76
77
74
76

Medium Clouds (% Sky Obscured)

51
42
43
50
80
59
81
65
70
68
73
75
90
85
100
100
100
95
91
91
97
99
91
90

High Clouds (% Sky Obscured)

45
66
69
23
35
12
41
85
87
66
56
78
71
87
100
100
79
54
40
53
64
72
76
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
1
1
1
0
0
0
1
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
1
7
5
9
14
3
7
28
38
29
7
7
9
7
23
26
14
16
24
21
22
19

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)

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

Chance of Frost

Temperature (°C)

4
4
4
3
3
4
4
5
5
5
6
6
7
7
7
8
8
9
9
9
10
10
10
11

Feels Like (°C)

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

Dew Point (°C)

0
0
1
1
2
2
2
3
3
4
5
6
6
6
7
8
8
8
9
9
9
10
10
9

Relative Humidity (%)

76
76
82
86
89
86
86
89
89
90
91
94
96
96
98
98
98
98
98
98
98
98
95
90

Pressure (mb)

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

Ozone (du)

276
273
271
271
269
266
265
265
265
264
263
262
261
260
259
258
258
257
257
257
257
258
258
259

Thursday 27

Waxing Crescent 44%

13:06

22:49

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

Sun - Rise: 07:52, Set: 15:56, Transit: 11:54. Moon - Rise: 13:06, Set: 22:49. Civil Dark: 16:36 - 07:12. Nautical Dark: 17:20 - 06:28. Astro Dark: 18:01 - 05:47

Total Clouds (% Sky Obscured)

100
100
98
97
100
96
100
97
61
54
38
56
51
68
70
83
84
74
60
49
63
54
55
80

Low Clouds (% Sky Obscured)

77
77
72
84
76
93
100
93
60
54
38
51
46
57
50
50
60
59
57
49
49
45
42
57

Medium Clouds (% Sky Obscured)

84
92
95
91
56
15
69
19
1
0
0
0
0
18
28
45
43
29
15
0
14
28
42
46

High Clouds (% Sky Obscured)

100
100
85
57
72
19
50
37
45
23
6
56
51
5
0
0
6
3
2
2
20
12
16
12

ISS Passover

Visibility (miles)

9
9
3
6
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
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 (%)

30
75
87
28
5
12
36
15
5
1
0
0
0
0
0
0
0
0
0
0
0
0
1
15

Precipitation Amount (mm)

0
0.5
0.8
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
16
16
16
16
17
15
16
12
9
8
9
8
8
8
8
8
9
9
10
12
13
15
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
93
95
93
93
91
93
87
85
87
93
93
94
96
94
96
94
94
94
93
88
84
82

Pressure (mb)

1011
1010
1010
1009
1009
1009
1009
1009
1010
1011
1011
1012
1011
1012
1011
1011
1011
1010
1010
1010
1010
1009
1008
1007

Ozone (du)

260
261
259
256
255
253
253
255
260
263
266
270
273
274
271
272
276
277
279
280
282
284
285
287

Friday 28

First Quarter 55%

13:06

00:10

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
11 Bad
12 Bad

Sun - Rise: 07:54, Set: 15:55, Transit: 11:54. Moon - Rise: 13:06, Set: 00:10. Civil Dark: 16:35 - 07:13. Nautical Dark: 17:19 - 06:29. Astro Dark: 18:00 - 05:48

Total Clouds (% Sky Obscured)

97
93
72
82
89
94
88
85
82
80
81
78
74
73
73
75
79
85
93
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
70
45
40
36
39
41
43
52
57
58
61
69
73
73
71
72
70
66
62
70
84
87
79

Medium Clouds (% Sky Obscured)

53
60
60
60
60
54
40
77
60
54
50
45
45
40
40
40
35
57
42
65
99
100
100
100

High Clouds (% Sky Obscured)

6
0
0
0
3
15
20
25
39
52
64
56
33
40
42
49
56
71
85
100
65
60
50
40

ISS Passover

Visibility (miles)

9
8
9
9
9
9
9
9
9
9
9
4
4
4
3
9
6
9
1
1
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

49
70
78
73
46
30
12
0
2
29
54
68
78
71
78
47
44
44
38
24
25
37
55
82

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
18
18
15
13
12
11
10
9
10
11
13
15
15
13
13
8
13
12
10
8
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
78
82
85
88
90
91
93
94
96
94
91
90
91
91
96
93
96
94
91
86
85
82

Pressure (mb)

1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1004
1003
1003
1002
1002
1001
1002
1002
1002
1003
1003
1002
1002

Ozone (du)

289
293
298
301
304
306
307
307
307
308
308
310
311
313
314
317
322
328
332
336
339
341
343
346

Saturday 29

Waxing Gibbous 66%

13:16

01:34

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 OK
06 OK
07 OK
08 Good
09 Good
10 Good
11 Good
12 OK

Sun - Rise: 07:55, Set: 15:54, Transit: 11:54. Moon - Rise: 13:16, Set: 01:34. Civil Dark: 16:35 - 07:15. Nautical Dark: 17:18 - 06:31. Astro Dark: 18:00 - 05:49

Total Clouds (% Sky Obscured)

97
94
100
95
89
99
100
100
100
100
82
81
92
95
77
53
30
25
20
14
11
11
9
25

Low Clouds (% Sky Obscured)

80
81
84
82
80
73
65
60
49
39
32
31
29
27
27
28
28
24
18
11
11
11
9
17

Medium Clouds (% Sky Obscured)

93
89
100
92
82
99
100
100
100
100
82
81
79
75
52
32
5
3
1
0
0
0
0
12

High Clouds (% Sky Obscured)

35
35
23
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25

ISS Passover

Visibility (miles)

5
9
9
9
9
9
9
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
90
76
56
19
21
10
2
2
3
0
0
1
0
0
0
0
0

Precipitation Amount (mm)

0.7
0.9
1
1
0.9
0.8
0.9
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
78
78
83
85
88
86
88
88
76
77
83
83
85
85
85
85
84
85
82
82
76
69
65

Pressure (mb)

1001
1001
1000
1001
1001
1001
1001
1002
1002
1003
1003
1004
1004
1005
1005
1006
1006
1007
1007
1008
1008
1008
1008
1009

Ozone (du)

347
348
350
348
347
346
346
345
344
341
337
334
335
336
337
339
340
342
339
337
334
331
327
323

Sunday 30

Waxing Gibbous 77%

13:26

03:01

13 OK
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
11 Bad
12 Bad

Sun - Rise: 07:57, Set: 15:54, Transit: 11:55. Moon - Rise: 13:26, Set: 03:01. Civil Dark: 16:34 - 07:16. Nautical Dark: 17:18 - 06:32. Astro Dark: 18:00 - 05:50

Total Clouds (% Sky Obscured)

43
63
72
83
89
91
95
97
93
89
85
86
88
90
89
88
88
93
96
100
100
100
100
89

Low Clouds (% Sky Obscured)

18
20
15
8
0
12
25
38
41
46
48
59
70
81
81
80
81
88
94
100
100
100
100
83

Medium Clouds (% Sky Obscured)

21
31
17
8
8
35
69
97
93
88
80
77
73
69
66
66
69
62
58
52
70
87
99
86

High Clouds (% Sky Obscured)

43
63
72
77
74
55
32
10
14
13
16
18
24
25
20
10
20
25
25
35
50
65
70
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
6
5
5
7
8
9
9
8
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
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
1
0
2
3
0
3
2
3
23
36
52
71
80
82
85
74
61
57
54
66
69

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
5
4
4
3
3
3
3
3
4
4
4
5
6
6
6
6
6
7
9
9
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
73
77
79
77
78
81
83
84
86
86
88
91
93
96
94
94
96
96
94
96
94
96
98

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1005
1004
1003
1002
1000
999
998
997
996
994
993
991

Ozone (du)

321
318
316
314
312
310
309
307
306
301
296
291
288
284
281
278
275
272
271
269
268
268
268
268

Monday 1

Waxing Gibbous 86%

13:38

04:33

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: 07:58, Set: 15:53, Transit: 11:55. Moon - Rise: 13:38, Set: 04:33. Civil Dark: 16:34 - 07:17. Nautical Dark: 17:17 - 06:33. Astro Dark: 17:59 - 05:52

Total Clouds (% Sky Obscured)

78
62
58
55
52
51
51
50
65
79
91
83
75
66
74
83
95

Low Clouds (% Sky Obscured)

65
48
47
47
49
49
51
50
62
70
76
70
65
60
61
62
63

Medium Clouds (% Sky Obscured)

73
60
53
47
43
27
14
0
17
35
54
43
30
18
32
50
68

High Clouds (% Sky Obscured)

70
60
44
27
23
13
8
0
14
31
52
47
41
36
44
53
71

ISS Passover

Visibility (miles)

8
9
9
9
9
8
9
9
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

Precipitation Type

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

Precipitation Probability (%)

64
53
45
51
66
61
46
28
35
46
60
53
43
28
23
18
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
16
20
21
21
22
23
24
24
22
22
24
23
22
21
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
4
3
3
3
2
3
3
2
-1
-2
-2
-2
-2

Dew Point (°C)

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

Relative Humidity (%)

93
90
85
85
87
87
87
85
84
85
85
87
85
82
79
79
78

Pressure (mb)

990
989
988
988
987
986
986
985
985
986
987
988
989
990
991
992
993

Ozone (du)

269
270
271
275
279
283
290
296
303
304
305
306
307
308
309
310
311

Forecast for Darley Abbey, Derby, United Kingdom (52.94,-1.48)

Generated: 25/11/25 12:58:13. Forecast: 25/11/25 to 01/12/25. Timezone: UTC+0.00