Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

First Quarter 55%

13:06

00:10

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

Sun - Rise: 07:52, Set: 15:55, Transit: 11:54. Moon - Rise: 13:06, Set: 00:10. Civil Dark: 16:35 - 07:12. Nautical Dark: 17:19 - 06:28. Astro Dark: 18:00 - 05:48

Total Clouds (% Sky Obscured)

37
39
25
51
85
94
94
100
95
68
56
24
18
11
20
9
38
65
98
91
100
100
100
100

Low Clouds (% Sky Obscured)

26
29
25
42
57
69
85
92
59
67
56
24
18
10
15
4
13
34
45
32
56
64
77
93

Medium Clouds (% Sky Obscured)

22
0
0
32
35
39
41
100
47
34
0
0
0
9
20
9
38
65
88
88
57
98
86
99

High Clouds (% Sky Obscured)

37
0
3
3
0
3
4
0
0
0
0
0
1
2
1
0
0
3
2
14
100
63
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
1
5
22
95
95
95
41
1
0
0
0
0
0
0
4
38
56
47
74
60
63

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
1.1
1.1
0
0
0
0
0
0
0
0
0
0
0.3
0
0.4
0.3
0.3

Wind Speed/Direction (mph)

13
14
14
17
18
20
22
22
19
18
19
17
16
15
14
14
14
15
13
10
8
6
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
87
84
81
77
85
84
82
81
81
81
82
82
83
83
83
86
91
94
96
94
94

Pressure (mb)

1008
1008
1008
1008
1007
1006
1005
1004
1004
1004
1005
1005
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1004
1004

Ozone (du)

268
269
270
272
275
277
278
278
282
286
290
293
293
297
300
299
299
297
297
297
301
304
307
309

Saturday 29

Waxing Gibbous 66%

13:16

01:34

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

Sun - Rise: 07:54, Set: 15:54, Transit: 11:54. Moon - Rise: 13:16, Set: 01:34. Civil Dark: 16:35 - 07:13. Nautical Dark: 17:18 - 06:29. Astro Dark: 18:00 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
36
24

Low Clouds (% Sky Obscured)

51
39
35
0
15
6
0
0
0
15
45
50
43
82
93
91
66
63
67
54
47
46
27
24

Medium Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
100
100
93
100
100
100
100
100
97
95
90
99
92
35
24

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
61
55
0
0
0
0
0
0
0
2
0
0
0
0

ISS Passover

Visibility (miles)

9
9
8
9
9
9
9
9
9
9
9
9
5
0
9
9
9
9
9
9
5
9
2
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

51
58
39
18
10
22
19
21
30
16
34
58
61
55
73
82
79
83
75
57
48
16
8
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

1
3
3
3
4
3
4
5
8
9
9
10
12
12
12
12
14
15
15
16
15
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
89
89
89
85
83
82
81
85
85
85
93
96
86
75
76
82
82
79
88
91
94
91

Pressure (mb)

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

Ozone (du)

312
317
322
325
325
326
330
334
336
339
340
339
336
336
334
338
342
340
340
343
341
336
337
337

Sunday 30

Waxing Gibbous 77%

13:26

03:01

06 OK
07 OK
08 OK
09 OK
10 OK
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 OK
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: 07:55, Set: 15:54, Transit: 11:54. Moon - Rise: 13:26, Set: 03:01. Civil Dark: 16:34 - 07:15. Nautical Dark: 17:18 - 06:31. Astro Dark: 18:00 - 05:50

Total Clouds (% Sky Obscured)

20
22
19
17
14
9
5
5
1
0
1
14
41
90
80
86
97
90
93
97
100
100
100
100

Low Clouds (% Sky Obscured)

19
22
15
17
14
9
5
0
0
0
0
0
0
0
3
0
54
48
64
79
95
97
98
100

Medium Clouds (% Sky Obscured)

3
2
5
0
0
0
0
0
0
0
0
7
25
87
80
86
56
80
83
92
70
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
1
8
41
60
60
66
55
72
79
88
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
3
5
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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
7
29
48
85
95
84
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
1.2
0.5
1

Wind Speed/Direction (mph)

12
11
11
10
10
11
12
12
11
7
6
4
5
5
5
6
6
7
8
10
12
14
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
88
83
77
75
76
79
83
91
93
93
93
91
91
91
93
91
89
89
91
94
93

Pressure (mb)

1010
1010
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1011
1011
1010
1008
1007
1005
1004
1002

Ozone (du)

343
351
346
341
337
332
328
324
321
317
314
311
309
307
303
300
299
295
291
289
286
280
276
274

Monday 1

Waxing Gibbous 86%

13:38

04:33

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

Sun - Rise: 07:57, Set: 15:53, Transit: 11:55. Moon - Rise: 13:38, Set: 04:33. Civil Dark: 16:34 - 07:16. Nautical Dark: 17:17 - 06:32. Astro Dark: 17:59 - 05:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
98
95
93
84
76
70
76
85
92
92
90
87

Low Clouds (% Sky Obscured)

100
100
100
97
93
89
86
84
82
80
79
79
81
85
88
82
74
68
71
74
83
77
74
71

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
64
100
97
49
24
10
46
43
28
40
51
13
41
74
18

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
80
60
40
35
35
35
34
35
0
0
0
0

ISS Passover

Visibility (miles)

3
3
6
3
3
2
9
9
9
9
9
9
9
9
8
9
5
9
9
4
9
9
3
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

95
95
95
95
95
95
95
82
81
59
45
39
46
53
61
60
45
24
25
12
12
51
52
12

Precipitation Amount (mm)

1.4
1.7
2
1.9
1.4
1.4
0.7
0.5
0.6
0.2
0
0
0
0.2
0.3
0.3
0
0
0
0
0
0.2
0.2
0

Wind Speed/Direction (mph)

17
17
19
20
21
22
21
22
21
20
20
20
19
19
19
19
20
22
21
20
18
17
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
2
3
3
3
4
4
5
6
5
5
5
5
5
5
4
3
2
2
2
2
1
0

Dew Point (°C)

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

Relative Humidity (%)

94
94
95
95
95
93
93
95
93
90
87
87
87
88
86
90
91
90
80
82
79
78
87
90

Pressure (mb)

1001
999
998
996
995
994
993
992
992
991
991
991
991
990
990
990
990
990
990
990
990
990
990
991

Ozone (du)

271
270
269
268
267
267
269
270
272
273
271
273
272
272
272
273
273
273
281
288
297
307
309
309

Tuesday 2

Waxing Gibbous 94%

13:53

No Set

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

Sun - Rise: 07:58, Set: 15:52, Transit: 11:55. Moon - Rise: 13:53, Set: No Set. Civil Dark: 16:33 - 07:17. Nautical Dark: 17:17 - 06:33. Astro Dark: 17:59 - 05:53

Total Clouds (% Sky Obscured)

86
86
47
56
66
69
60
49
70
71
70
30
86
71
54
51
48
44
48
51
52
67
79
92

Low Clouds (% Sky Obscured)

72
69
47
54
53
52
53
49
48
54
48
30
73
65
52
51
45
44
47
51
52
67
79
85

Medium Clouds (% Sky Obscured)

78
50
11
21
42
57
46
26
24
25
30
0
43
18
0
3
6
8
6
4
2
2
2
2

High Clouds (% Sky Obscured)

59
66
1
13
24
50
43
22
0
0
0
0
37
17
0
0
0
0
0
0
0
6
11
14

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
5
0
1
1
1
1
6
27
28
3
0
64
71
52
36
21
3
2
0
0
0
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
17
16
15
15
14
14
13
12
12
11
10
10
8
7
5
5
5
6
6
6
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
82
79
82
82
81
78
77
79
84
87
90
90
88
86
82
85
85
85
88
89
93
91
91

Pressure (mb)

993
995
996
997
998
999
999
1000
1000
1000
1001
1002
1002
1003
1003
1004
1004
1005
1005
1005
1006
1006
1007
1007

Ozone (du)

307
308
309
312
312
315
310
308
307
307
309
309
309
315
321
327
324
322
320
320
320
320
320
319

Wednesday 3

Waxing Gibbous 98%

14:15

06:10

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
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: 07:59, 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: 17:58 - 05:54

Total Clouds (% Sky Obscured)

94
97
100
97
94
92
74
61
46
52
58
63
72
82
90
93
95
100
100
99
99
99
100
100

Low Clouds (% Sky Obscured)

88
90
93
92
92
91
74
61
46
52
58
51
47
44
49
60
74
87
90
92
91
94
97
100

Medium Clouds (% Sky Obscured)

11
20
33
24
13
0
0
0
0
0
0
0
9
16
24
34
37
50
66
81
97
98
98
99

High Clouds (% Sky Obscured)

30
46
49
42
27
10
8
6
4
8
8
10
12
13
25
35
40
44
58
73
87
91
93
95

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
Very Light Rain

Precipitation Probability (%)

1
1
2
9
9
4
8
4
0
0
0
0
0
0
0
0
0
0
5
11
17
36
52
64

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
0.2

Wind Speed/Direction (mph)

5
5
5
5
5
6
7
7
6
5
4
3
3
3
4
5
6
7
9
10
11
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
91
91
86
83
81
83
85
86
89
91
94
93
91
89
89
88
89
88
90
88
88
88

Pressure (mb)

1007
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1007
1006
1005
1004
1003
1001
1000
999

Ozone (du)

318
319
320
320
318
317
315
313
312
311
309
307
305
305
304
304
302
301
299
300
302
303
308
313

Thursday 4

Full Moon 100%

14:47

07:48

Sun - Rise: 08:01, Set: 15:51, Transit: 11:56. Moon - Rise: 14:47, Set: 07:48. Civil Dark: 16:32 - 07:20. Nautical Dark: 17:16 - 06:35. Astro Dark: 17:58 - 05:55

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

Generated: 28/11/25 06:12:13. Forecast: 28/11/25 to 04/12/25. Timezone: UTC+0.00