Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Crescent 34%

12:41

20:07

20 OK
21 OK
22 OK
23 Good
00 OK
01 Bad
02 OK
03 OK
04 OK
05 OK
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

Sun - Rise: 07:49, Set: 15:57, Transit: 11:53. Moon - Rise: 12:41, Set: 20:07. Civil Dark: 16:37 - 07:09. Nautical Dark: 17:20 - 06:26. Astro Dark: 18:02 - 05:44

Total Clouds (% Sky Obscured)

38
31
36
16
38
78
38
37
19
31
66
95
78
76
100
96
92
91
83
98
98
100
100
100

Low Clouds (% Sky Obscured)

3
2
2
13
21
24
22
6
0
0
0
0
22
0
0
4
22
45
73
95
96
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
3
46
14
37
19
20
19
44
34
40
21
40
64
85
55
48
52
39
78
79

High Clouds (% Sky Obscured)

0
18
3
3
38
32
4
9
5
3
16
37
4
45
100
91
29
49
53
73
24
6
56
17

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
2
43
90
100
100
66
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
4
1
11
16
18
30

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
86
86
84
86
86
84
86
86
86
87
89
89
83
79
73
75
80
82
82
80
82
85

Pressure (mb)

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

Ozone (du)

291
287
282
281
281
281
283
284
285
284
280
277
277
275
273
272
271
271
270
268
268
267
265
264

Wednesday 26

Waxing Crescent 44%

12:55

21:28

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:51, Set: 15:56, Transit: 11:53. Moon - Rise: 12:55, Set: 21:28. Civil Dark: 16:36 - 07:10. Nautical Dark: 17:20 - 06:27. Astro Dark: 18:01 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
97
95
97
98
99
99
97
100
100
95
93
100
100
100
100
99
95
87
100
98

Low Clouds (% Sky Obscured)

100
91
95
92
86
72
85
82
83
90
93
100
100
91
87
81
71
70
75
98
94
79
100
81

Medium Clouds (% Sky Obscured)

68
43
83
92
89
73
51
87
97
98
58
60
84
53
45
80
46
83
90
40
0
65
35
38

High Clouds (% Sky Obscured)

90
100
100
100
73
72
65
65
62
49
24
45
47
40
41
100
99
82
79
63
29
8
55
55

ISS Passover

Visibility (miles)

9
9
9
9
3
1
0
0
0
1
1
3
9
9
9
9
9
9
7
3
5
8
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 (%)

22
23
10
4
1
2
3
3
4
2
3
0
0
2
0
12
15
4
4
4
20
23
20
17

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)

9
9
9
9
10
8
8
8
8
10
11
12
13
13
14
15
16
16
17
17
17
18
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
5
6
6
7
7
8
8
8
9
9
9
9
9
10
10
11
11
12
11
11
11
10

Relative Humidity (%)

88
90
94
96
98
98
98
98
98
98
98
96
96
95
91
90
92
93
95
96
95
93
93
89

Pressure (mb)

1016
1016
1015
1015
1014
1013
1013
1013
1012
1012
1011
1011
1011
1011
1011
1010
1009
1009
1008
1008
1008
1008
1008
1008

Ozone (du)

263
263
262
260
261
260
259
258
258
257
257
257
258
259
259
258
259
261
261
259
256
253
252
253

Thursday 27

Waxing Crescent 55%

13:06

22:49

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:52, Set: 15:55, Transit: 11:54. Moon - Rise: 13:06, Set: 22:49. Civil Dark: 16:35 - 07:12. Nautical Dark: 17:19 - 06:28. Astro Dark: 18:00 - 05:47

Total Clouds (% Sky Obscured)

81
68
54
72
93
96
98
99
100
96
96
96
97
47
88
76
96
100
100
98
49
60
71
79

Low Clouds (% Sky Obscured)

66
64
44
58
42
43
31
52
52
48
46
45
47
47
85
68
86
99
58
41
49
49
49
50

Medium Clouds (% Sky Obscured)

0
0
12
21
49
60
55
55
34
26
1
40
0
0
8
32
59
62
98
62
0
12
30
51

High Clouds (% Sky Obscured)

34
30
14
40
45
12
37
68
46
39
40
43
53
1
0
0
0
0
0
0
0
0
17
39

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
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
43
95
69
29
14
2
3
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

16
15
15
16
15
15
15
15
15
15
15
15
15
16
16
18
19
20
23
16
13
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
87
85
84
84
85
85
84
84
85
87
87
88
87
82
82
78
81
77
81
79
82
85

Pressure (mb)

1009
1009
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1006
1005
1005
1006
1006
1006
1006
1007

Ozone (du)

255
257
261
264
267
271
269
267
268
270
270
273
276
277
280
283
283
285
289
293
295
295
296
298

Friday 28

First Quarter 66%

13:16

00:10

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
17 Bad
18 Bad
19 Bad

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

Total Clouds (% Sky Obscured)

86
93
87
82
78
73
69
66
63
63
60
61
70
80
91
100
100
82
91
72
68
70
99
100

Low Clouds (% Sky Obscured)

48
46
45
52
41
61
61
63
63
63
60
61
66
69
70
79
68
41
46
26
27
36
69
75

Medium Clouds (% Sky Obscured)

65
50
55
35
40
40
40
40
40
40
40
45
44
17
72
87
59
50
60
60
60
67
67
62

High Clouds (% Sky Obscured)

63
86
77
59
25
17
15
15
10
15
15
20
19
53
78
99
100
62
60
65
65
65
65
65

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

4
13
14
1
5
11
17
9
7
15
24
31
47
11
2
2
9
18
13
32
38
44
64
71

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
85
86
86
91
90
90
90
85
84
85
87
82
83
85
83
79
76
75
79
82
83
83

Pressure (mb)

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

Ozone (du)

298
295
297
298
301
304
304
305
306
308
312
316
319
325
332
336
339
342
345
346
346
346
348
351

Saturday 29

Waxing Gibbous 77%

13:26

01:34

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 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 Bad

Sun - Rise: 07:55, Set: 15:54, Transit: 11:54. Moon - Rise: 13:26, Set: 01:34. Civil Dark: 16:34 - 07:15. Nautical Dark: 17:18 - 06:31. Astro Dark: 18:00 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
99
98
97
96
94
93
82
74
64
56
48
40
33
18
19
18
21
24
36
49

Low Clouds (% Sky Obscured)

81
77
76
75
75
74
73
73
75
77
64
50
41
27
16
5
5
10
15
18
21
24
27
35

Medium Clouds (% Sky Obscured)

100
100
100
100
76
63
84
90
80
61
60
26
33
20
16
1
2
3
3
8
7
19
25
26

High Clouds (% Sky Obscured)

80
66
60
50
27
12
1
5
9
18
15
8
0
0
0
0
0
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

9
6
9
0
8
9
9
1
1
8
1
8
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
Very 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 (%)

77
70
64
56
49
42
37
37
26
23
16
16
6
9
5
4
12
15
14
14
10
3
8
5

Precipitation Amount (mm)

0.4
0.3
0.3
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)

15
15
16
15
16
15
14
15
16
17
17
18
17
17
16
14
13
12
11
9
8
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
94
96
91
93
88
94
94
91
96
89
88
89
91
86
81
82
83
85
82
80
77
79

Pressure (mb)

1000
1000
1000
1000
1000
1000
1000
1001
1001
1002
1003
1004
1005
1006
1006
1007
1008
1008
1009
1009
1010
1010
1011
1011

Ozone (du)

352
354
356
358
355
355
353
350
347
346
344
341
339
344
351
357
356
352
347
343
340
337
334
330

Sunday 30

Waxing Gibbous 77%

13:38

03:01

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:57, Set: 15:53, Transit: 11:55. Moon - Rise: 13:38, Set: 03:01. Civil Dark: 16:34 - 07:16. Nautical Dark: 17:17 - 06:32. Astro Dark: 17:59 - 05:50

Total Clouds (% Sky Obscured)

64
82
82
76
68
63
59
72
85
91
94
97
99
99
100
100
100
100
100
100
100
100
96
92

Low Clouds (% Sky Obscured)

54
51
41
31
17
11
4
10
17
25
45
69
90
91
95
100
100
100
100
100
100
100
93
87

Medium Clouds (% Sky Obscured)

24
19
15
13
22
25
31
18
10
11
25
46
65
70
73
77
75
66
54
65
81
100
83
69

High Clouds (% Sky Obscured)

1
24
47
70
68
63
59
72
85
91
72
52
31
27
20
19
19
24
25
20
10
20
25
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
4
3
3
3

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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
2
1
0
1
3
0
1
0
0
5
15
27
32
29
15
25
35
50
57
65
78
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.5
0.8
1.1

Wind Speed/Direction (mph)

5
5
4
3
2
2
3
4
5
5
6
7
8
10
11
12
14
13
13
12
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
81
83
86
86
86
89
89
89
89
89
89
88
86
83
80
85
88
93
94
94
96
94

Pressure (mb)

1011
1012
1012
1012
1012
1011
1011
1010
1010
1010
1009
1009
1008
1008
1007
1006
1005
1004
1004
1003
1002
1001
1000
999

Ozone (du)

325
321
318
314
311
306
302
298
294
290
286
284
282
279
277
274
272
271
270
270
270
270
271
270

Monday 1

Waxing Gibbous 86%

13:53

04:33

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
17 Bad

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

Total Clouds (% Sky Obscured)

88
77
74
71
81
90
100
100
100
100
94
88
81
88
93
96
87
78
68
73
80
92

Low Clouds (% Sky Obscured)

79
67
56
46
46
47
47
55
63
72
73
74
71
66
62
64
68
69
68
63
58
53

Medium Clouds (% Sky Obscured)

53
50
52
51
76
88
100
100
100
100
87
77
65
57
47
37
40
41
45
45
55
65

High Clouds (% Sky Obscured)

35
50
65
70
74
85
89
91
94
100
77
57
35
46
51
57
51
46
40
48
57
73

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
87
61
51
56
72
74
73
73
61
48
34
25
20
11
57
72
81
64
43
0

Precipitation Amount (mm)

1.6
1.1
0.5
0.3
0
0.2
0.5
0.5
0.5
0.5
0.3
0
0
0
0
0
0.2
0.3
0.4
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
2
1
1
4
4
4
4
4
4
4
4
5
5
5
4
6
6
6
6
5

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

998
997
997
997
996
996
995
995
995
995
994
995
995
996
996
995
995
995
996
996
996
996

Ozone (du)

270
270
270
270
270
270
270
270
270
271
272
274
275
277
279
281
282
287
292
296
299
302

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

Generated: 25/11/25 20:23:33. Forecast: 25/11/25 to 01/12/25. Timezone: UTC+0.00