Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Crescent 2%

09:31

15:57

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

Sun - Rise: 07:41, Set: 16:02, Transit: 11:51. Moon - Rise: 09:31, Set: 15:57. Civil Dark: 16:41 - 07:01. Nautical Dark: 17:24 - 06:19. Astro Dark: 18:05 - 05:38

Total Clouds (% Sky Obscured)

22
20
18
0
10
17
4
26
26
99
72
98
47
12
18
9
24
84
45
46
98
100
100
100

Low Clouds (% Sky Obscured)

22
20
12
0
10
17
4
16
0
0
0
0
0
0
0
5
15
12
0
5
0
11
5
52

Medium Clouds (% Sky Obscured)

0
2
3
0
3
3
1
0
3
43
7
2
0
3
0
0
24
61
45
46
98
94
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
4
26
26
88
72
98
47
12
18
9
14
66
45
46
89
100
99
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
83
81
81
80
80
83
83
80
76
72
71
69
73
82
88
89
91
89
89
87
83
80

Pressure (mb)

1022
1023
1023
1024
1024
1025
1025
1026
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1025
1025
1024
1023

Ozone (du)

304
299
297
293
287
286
285
281
278
275
272
271
267
266
264
263
261
261
260
259
258
253
246
248

Saturday 22

Waxing Crescent 5%

10:33

16:41

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:42, Set: 16:01, Transit: 11:52. Moon - Rise: 10:33, Set: 16:41. Civil Dark: 16:40 - 07:03. Nautical Dark: 17:23 - 06:20. Astro Dark: 18:05 - 05:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
99
100
100
100
100
100
83
89
100
100
100
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

61
60
53
59
81
90
100
94
100
100
100
100
100
80
56
61
49
44
32
52
60
58
54
60

Medium Clouds (% Sky Obscured)

100
100
100
100
89
96
96
96
78
100
67
0
0
0
0
90
95
95
100
98
100
99
77
97

High Clouds (% Sky Obscured)

100
100
100
100
100
80
88
28
40
39
1
3
0
16
33
43
99
72
100
38
40
81
100
80

ISS Passover

Visibility (miles)

9
9
9
9
4
3
3
1
3
7
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
31
72
100
100
100
100

Precipitation Type

None
None
None
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 (%)

0
1
16
71
95
95
95
95
95
67
27
6
2
1
1
0
1
0
0
0
0
0
6
24

Precipitation Amount (mm)

0
0
0
0.4
0.8
0.8
1
0.9
0.9
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
81
80
89
94
96
98
98
94
94
96
96
96
93
94
94
93
93
94
94
96
94
96

Pressure (mb)

1023
1022
1021
1020
1019
1019
1018
1017
1016
1015
1015
1014
1013
1012
1012
1012
1011
1011
1011
1011
1010
1010
1009
1008

Ozone (du)

250
253
257
262
263
263
270
277
276
271
270
272
275
273
273
271
268
269
271
267
263
264
264
265

Sunday 23

Waxing Crescent 10%

11:22

17:39

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:44, Set: 16:00, Transit: 11:52. Moon - Rise: 11:22, Set: 17:39. Civil Dark: 16:39 - 07:05. Nautical Dark: 17:23 - 06:21. Astro Dark: 18:04 - 05:40

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
100
100
96
64
62
54
76
77
80
70
62
86
83
78
74
69
96
99

Low Clouds (% Sky Obscured)

68
81
88
95
100
100
100
100
80
64
59
54
61
69
73
57
62
86
81
74
64
69
89
99

Medium Clouds (% Sky Obscured)

100
62
57
57
52
81
35
77
50
0
6
0
26
20
30
25
4
0
11
24
34
41
84
64

High Clouds (% Sky Obscured)

96
55
48
40
36
23
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
37
2

ISS Passover

Visibility (miles)

9
9
9
9
9
2
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
87
85
0
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

33
19
32
95
95
75
55
54
19
21
3
6
12
12
13
11
9
7
5
5
5
15
32
27

Precipitation Amount (mm)

0
0
0
0.8
1.1
0.3
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
6
8
11
12
14
12
12
11
13
14
14
13
12
10
10
11
13
13
13
12
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
91
93
94
94
94
94
93
86
84
81
75
74
75
74
75
79
79
82
80
83
85
86

Pressure (mb)

1007
1006
1005
1003
1002
1000
999
998
997
997
997
996
995
994
994
993
993
993
993
993
992
992
992
992

Ozone (du)

265
269
269
268
269
268
270
272
274
278
282
284
286
286
285
283
285
288
293
297
302
302
297
295

Monday 24

Waxing Crescent 17%

11:58

18:50

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 OK
18 OK
19 OK
20 OK
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:46, Set: 15:59, Transit: 11:52. Moon - Rise: 11:58, Set: 18:50. Civil Dark: 16:39 - 07:06. Nautical Dark: 17:22 - 06:23. Astro Dark: 18:03 - 05:42

Total Clouds (% Sky Obscured)

99
99
99
98
96
94
95
96
98
86
75
64
71
70
74
60
47
40
35
40
41
55
57
60

Low Clouds (% Sky Obscured)

89
81
72
59
72
71
67
68
68
64
62
58
37
33
30
35
45
35
35
29
22
24
34
43

Medium Clouds (% Sky Obscured)

93
59
78
93
89
80
88
91
73
38
17
3
48
51
21
46
43
30
29
7
4
29
3
3

High Clouds (% Sky Obscured)

25
0
0
1
0
0
7
14
20
16
12
9
11
18
43
37
28
35
19
8
2
2
2
2

ISS Passover

Visibility (miles)

9
9
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
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 (%)

36
54
64
39
31
18
16
13
12
8
7
1
1
1
0
2
3
11
3
8
3
4
8
1

Precipitation Amount (mm)

0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
94
93
94
93
93
93
93
94
93
91
86
81
79
78
81
86
85
85
85
80
75
82
82

Pressure (mb)

991
991
991
991
991
991
992
993
994
996
997
997
998
998
999
1000
1001
1001
1002
1003
1004
1004
1005
1005

Ozone (du)

295
297
298
297
300
301
303
305
303
303
304
307
308
309
312
313
313
314
316
318
315
308
301
298

Tuesday 25

Waxing Crescent 25%

12:23

20:07

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

Sun - Rise: 07:47, Set: 15:58, Transit: 11:53. Moon - Rise: 12:23, Set: 20:07. Civil Dark: 16:38 - 07:08. Nautical Dark: 17:21 - 06:24. Astro Dark: 18:02 - 05:43

Total Clouds (% Sky Obscured)

65
70
75
68
57
38
62
69
73
77
73
53
62
69
69
63
56
50
52
54
57
80
87
92

Low Clouds (% Sky Obscured)

52
57
62
54
48
33
47
51
59
63
68
53
62
69
69
62
55
47
46
48
57
64
63
61

Medium Clouds (% Sky Obscured)

2
6
55
15
6
4
6
3
22
24
6
1
1
1
1
2
3
3
6
8
10
17
21
24

High Clouds (% Sky Obscured)

0
0
0
0
4
3
7
11
20
21
1
1
1
1
1
0
0
0
0
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
13
12
4
3
5
11
11
4
5
6
3
9
11
12
13
12
12
13
15
17
16
12
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
80
83
83
83
76
80
82
82
76
76
76
75
75
75
76
78
79
80
85
86
89
88
85

Pressure (mb)

1005
1006
1007
1008
1008
1009
1010
1011
1011
1012
1013
1014
1014
1015
1015
1016
1016
1017
1018
1019
1019
1020
1020
1020

Ozone (du)

298
301
303
301
301
306
309
314
313
305
299
298
300
302
304
306
304
302
299
298
298
297
294
291

Wednesday 26

Waxing Crescent 34%

12:41

21:28

00 Bad
01 Bad
02 Bad
03 Bad
04 OK
05 OK
06 OK
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

Sun - Rise: 07:49, Set: 15:57, Transit: 11:53. Moon - Rise: 12:41, Set: 21:28. Civil Dark: 16:37 - 07:09. Nautical Dark: 17:20 - 06:26. Astro Dark: 18:02 - 05:44

Total Clouds (% Sky Obscured)

89
85
79
54
35
23
47
72
96
97
98
100
99
99
98
97
97
97
98
99
100
99
98
98

Low Clouds (% Sky Obscured)

52
48
44
30
23
20
17
15
13
9
4
0
26
53
79
82
84
79
80
81
93
95
94
92

Medium Clouds (% Sky Obscured)

23
15
11
5
4
5
9
15
21
28
34
50
60
68
72
79
81
81
87
93
100
90
81
73

High Clouds (% Sky Obscured)

4
7
8
7
4
3
34
66
96
95
95
95
70
48
25
27
25
40
48
52
62
64
70
70

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 (%)

7
3
0
0
0
0
0
0
0
0
0
0
1
3
3
17
26
39
47
48
42
41
33
13

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
81
81
83
83
84
83
80
79
76
72
68
73
77
82
85
85
86
88
86
88
86
86

Pressure (mb)

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

Ozone (du)

288
287
286
286
284
283
282
280
279
278
278
278
277
277
277
276
276
275
275
274
273
272
272
272

Thursday 27

Waxing Crescent 44%

12:55

22:49

Sun - Rise: 07:51, Set: 15:56, Transit: 11:53. Moon - Rise: 12:55, Set: 22:49. Civil Dark: 16:36 - 07:10. Nautical Dark: 17:20 - 06:27. Astro Dark: 18:01 - 05:46

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: 21/11/25 00:16:00. Forecast: 21/11/25 to 27/11/25. Timezone: UTC+0.00