Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

First Quarter 55%

13:16

00:10

16 Bad
17 Bad
18 OK
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: 07:54, Set: 15:54, Transit: 11:54. Moon - Rise: 13:16, 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)

47
44
39
81
93
99
99
100
100
100
99
99
100
100
100
100
100
100
100
75
68
58
54
51

Low Clouds (% Sky Obscured)

33
14
19
9
24
48
64
92
100
100
98
90
77
65
80
90
81
74
32
54
49
43
47
35

Medium Clouds (% Sky Obscured)

10
17
39
81
93
99
98
100
87
98
55
49
74
100
100
100
100
100
99
75
68
58
49
44

High Clouds (% Sky Obscured)

0
0
39
81
72
71
90
100
30
3
5
2
94
100
100
100
100
100
100
55
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
8
2
3
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
1
22
62
95
95
95
81
65
44
69
73
64
54
30
12
24
30
27
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
1.1
2.4
2
0.5
0
0
0
0
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
15
13
12
13
13
14
13
9
4
1
4
3
3
3
2
3
4
5
5
6
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
79
80
79
81
82
82
85
90
94
96
98
94
91
93
91
91
93
90
85
81
75
78
82

Pressure (mb)

1005
1005
1006
1006
1006
1006
1006
1005
1005
1003
1003
1002
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001

Ozone (du)

296
296
297
299
300
300
299
299
297
298
300
303
307
309
313
318
324
329
331
333
335
337
341
344

Saturday 29

Waxing Gibbous 66%

13:26

01:34

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

Sun - Rise: 07:55, Set: 15:54, Transit: 11:54. Moon - Rise: 13:26, 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)

49
94
93
78
58
63
66
79
76
65
0
1
0
0
0
0
0
3
47
28
0
4
38
58

Low Clouds (% Sky Obscured)

21
39
84
64
50
46
47
65
24
0
0
0
0
0
0
0
0
3
47
28
0
4
31
44

Medium Clouds (% Sky Obscured)

46
90
65
45
55
51
66
72
44
46
0
0
0
0
0
0
0
0
0
0
0
0
6
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
1
1
2
0
0
0
0
0
0
0
0
0
0
0
2
2
29

ISS Passover

Visibility (miles)

9
9
3
8
1
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
2
3
1
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 (%)

32
73
72
58
42
9
3
4
0
1
5
7
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.5
0.4
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
6
6
7
8
10
12
13
12
12
11
12
10
9
9
8
7
6
6
7
10
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
93
91
93
88
85
88
85
85
80
79
81
89
83
80
83
81
80
73
73
76
80
86

Pressure (mb)

1002
1002
1003
1004
1005
1006
1006
1008
1008
1009
1009
1010
1011
1012
1012
1013
1014
1014
1014
1015
1015
1015
1014
1014

Ozone (du)

344
343
339
337
337
341
340
337
338
340
337
336
336
343
347
345
341
339
335
329
325
321
317
314

Sunday 30

Waxing Gibbous 77%

13:38

03:01

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: 07:57, Set: 15:53, Transit: 11:55. Moon - Rise: 13:38, 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)

95
97
100
95
99
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

37
42
68
78
61
83
96
90
93
98
97
86
100
77
82
80
89
91
92
71
77
83
89
86

Medium Clouds (% Sky Obscured)

62
59
73
45
91
88
99
96
98
88
100
61
71
100
100
100
100
100
99
97
97
97
97
89

High Clouds (% Sky Obscured)

31
77
99
74
72
60
98
100
96
100
100
100
100
100
100
100
100
100
100
100
94
87
79
83

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
5
9
9
6
6
2
9
3
3
5
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
2
8
11
3
62
95
80
73
85
68
48
88
90
95
95
95
95
90
60
66
63
71

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.8
0.5
0.4
0.6
0.3
0
0.7
0.7
1.2
0.8
1.6
1.3
0.6
0.2
0.4
0.3
0.4

Wind Speed/Direction (mph)

7
6
6
6
7
9
9
11
13
15
17
19
20
20
19
19
17
16
17
17
20
21
21
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
89
91
93
93
94
93
91
90
90
90
90
90
90
91
91
93
93
90
91
91
93
93

Pressure (mb)

1014
1014
1014
1013
1013
1012
1010
1010
1008
1007
1005
1004
1003
1002
1001
1000
1000
999
998
997
996
996
995
995

Ozone (du)

312
308
304
301
298
296
295
292
289
285
282
280
275
272
270
268
268
267
266
266
266
265
266
266

Monday 1

Waxing Gibbous 86%

13:53

04:33

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 OK

Sun - Rise: 07:58, Set: 15:52, Transit: 11:55. Moon - Rise: 13:53, 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)

100
100
100
100
100
87
70
52
65
82
100
100
100
100
93
87
82
82
83
85
56
47
43
40

Low Clouds (% Sky Obscured)

84
82
81
82
81
74
66
52
40
27
15
24
38
50
59
73
82
82
83
84
48
42
39
40

Medium Clouds (% Sky Obscured)

89
100
100
100
100
80
60
40
60
82
78
57
47
36
27
13
0
0
0
0
10
15
19
11

High Clouds (% Sky Obscured)

93
100
100
100
100
72
40
15
43
73
100
100
100
89
40
20
0
0
0
0
9
17
26
18

ISS Passover

Visibility (miles)

9
7
9
9
9
9
9
9
9
9
9
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
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
None
None
None

Precipitation Probability (%)

89
95
95
93
81
70
58
35
25
18
16
23
12
12
4
13
5
1
0
9
0
0
0
1

Precipitation Amount (mm)

0.7
1.1
0.8
0.7
0.5
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
18
18
18
18
18
17
18
17
16
16
16
14
15
15
18
18
17
16
16
17
17
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
88
90
90
90
90
88
88
88
87
90
90
84
81
79
83
88
88
85
79
77
78
79

Pressure (mb)

995
994
994
994
994
994
994
994
994
994
993
993
993
993
993
993
995
997
998
998
999
1000
1000
1001

Ozone (du)

267
266
267
268
267
268
266
265
265
265
266
270
277
280
285
288
290
292
295
295
294
294
294
295

Tuesday 2

Waxing Gibbous 94%

14:15

06:10

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 OK
14 OK
15 Bad

Sun - Rise: 07:59, Set: 15:52, Transit: 11:56. Moon - Rise: 14:15, Set: 06:10. Civil Dark: 16:33 - 07:18. Nautical Dark: 17:17 - 06:34. Astro Dark: 17:59 - 05:53

Total Clouds (% Sky Obscured)

49
51
47
45
43
46
49
43
49
51
56
53
50
48
90
95
95
81
69
57
51
45
37
42

Low Clouds (% Sky Obscured)

49
51
47
45
43
46
49
43
49
51
56
53
50
48
85
86
79
79
69
57
51
45
37
42

Medium Clouds (% Sky Obscured)

10
5
0
0
0
0
0
0
5
11
18
12
6
0
22
37
55
33
17
0
0
1
1
1

High Clouds (% Sky Obscured)

9
2
1
0
0
0
0
0
1
3
4
3
2
0
15
28
37
25
17
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 (%)

1
1
5
6
0
3
3
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

12
13
13
12
12
12
11
11
10
10
10
9
9
8
8
6
6
6
8
9
10
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
90
91
91
93
91
91
93
93
93
93
93
91
91
93
91
91
88
85
84
85
88
88

Pressure (mb)

1002
1002
1003
1004
1005
1005
1006
1006
1007
1007
1007
1008
1008
1008
1008
1009
1009
1010
1010
1010
1010
1009
1009
1009

Ozone (du)

295
297
301
301
303
304
306
308
308
305
302
301
303
308
317
317
318
318
314
310
306
306
307
308

Wednesday 3

Waxing Gibbous 98%

14:47

07:48

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: 08:01, Set: 15:51, Transit: 11:56. Moon - Rise: 14:47, Set: 07:48. Civil Dark: 16:33 - 07:20. Nautical Dark: 17:17 - 06:35. Astro Dark: 17:58 - 05:54

Total Clouds (% Sky Obscured)

44
44
49
53
58
67
76
84
90
97
100
96
92
90
95
97
98
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

44
44
49
53
58
67
76
83
84
82
80
81
82
86
89
88
87
85
87
89
94
98
100
70

Medium Clouds (% Sky Obscured)

2
2
2
3
3
3
2
2
16
31
47
43
35
28
28
19
13
45
72
100
89
79
68
49

High Clouds (% Sky Obscured)

0
0
3
6
8
23
37
51
67
84
100
77
50
25
34
44
59
75
86
95
97
98
100
81

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
Light Rain
Very Light Rain

Precipitation Probability (%)

4
1
1
1
0
0
0
0
0
0
0
2
3
1
1
3
5
11
20
29
50
61
70
55

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
6
5
5
5
4
5
5
5
6
6
7
8
9
10
11
13
15
17
19
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
3
2

Relative Humidity (%)

90
91
94
93
93
94
94
94
94
94
98
98
98
98
98
98
96
96
93
90
87
82
76
72

Pressure (mb)

1009
1009
1009
1009
1008
1008
1008
1007
1006
1005
1005
1004
1003
1002
1001
1000
1000
999
998
997
995
995
994
994

Ozone (du)

307
307
307
307
308
308
307
307
306
306
306
306
306
305
305
309
313
317
321
326
330
335
339
344

Thursday 4

Full Moon 100%

15:38

09:17

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

Sun - Rise: 08:02, Set: 15:51, Transit: 11:56. Moon - Rise: 15:38, Set: 09:17. Civil Dark: 16:32 - 07:21. Nautical Dark: 17:16 - 06:37. Astro Dark: 17:58 - 05:55

Total Clouds (% Sky Obscured)

100
100
90
80
70
79
87
92
68
47
29
49
71
92
89
89
86
89
92
92

Low Clouds (% Sky Obscured)

40
10
10
5
10
8
12
10
15
17
13
13
14
13
7
6
0
1
2
8

Medium Clouds (% Sky Obscured)

32
13
23
35
41
43
49
55
37
18
0
9
17
35
26
14
3
4
5
4

High Clouds (% Sky Obscured)

68
62
45
28
9
24
42
43
38
25
11
11
10
10
7
3
1
6
9
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

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

43
24
20
15
7
6
5
2
5
4
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

Wind Speed/Direction (mph)

16
13
13
10
8
8
6
6
6
7
6
6
5
5
5
5
5
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
76
79
82
85
86
91
93
93
93
93
91
91
91
91
91
91
88
85

Pressure (mb)

994
995
995
996
997
998
998
998
999
999
1000
1000
1000
1001
1001
1001
1002
1002
1002
1002

Ozone (du)

348
352
356
361
366
371
376
380
385
384
383
382
376
371
365
359
353
346
342
337

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

Generated: 28/11/25 16:33:00. Forecast: 28/11/25 to 04/12/25. Timezone: UTC+0.00