Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 22

Waxing Crescent 12%

10:47

No Set

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:17, Set: 15:54, Transit: 12:05. Moon - Rise: 10:47, Set: No Set. Civil Dark: 16:36 - 07:35. Nautical Dark: 17:20 - 06:51. Astro Dark: 18:02 - 06:09

Total Clouds (% Sky Obscured)

92
84
92
95
100
100
100
100
100
100
100
98
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

92
78
79
94
100
100
98
100
100
100
100
96
93
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

36
26
41
58
91
88
90
86
54
40
70
75
37
50
14
28
36
40
31
33
54
2
3
3

High Clouds (% Sky Obscured)

91
84
28
77
100
74
95
98
85
55
66
82
86
99
100
100
94
69
44
16
5
13
8
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
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
3
0
0
0
3
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
7
8
7
8
8
9
10
10
10
10
11
11
10
10
12
12
12
13
14
14
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
96
94
93
94
94
96
94
96
96
98
96
93
90
88
85
81
81
85
90
91

Pressure (mb)

1012
1012
1013
1013
1013
1014
1014
1015
1015
1015
1016
1016
1017
1018
1019
1020
1020
1021
1021
1021
1022
1023
1024
1025

Ozone (du)

367
360
355
355
355
351
349
347
348
347
346
343
342
344
346
350
350
350
349
347
348
343
341
343

Tuesday 23

Waxing Crescent 19%

11:01

19:18

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:17, Set: 15:55, Transit: 12:06. Moon - Rise: 11:01, Set: 19:18. Civil Dark: 16:36 - 07:35. Nautical Dark: 17:21 - 06:51. Astro Dark: 18:03 - 06:09

Total Clouds (% Sky Obscured)

100
99
96
100
95
92
89
87
77
80
87
67
57
58
44
78
75
67
71
85
68
71
70
56

Low Clouds (% Sky Obscured)

100
99
96
100
95
92
89
87
77
78
81
63
55
52
44
78
75
67
71
85
68
71
68
51

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
1
2
0
0
0
1
2
7
5
1
2
2
1
0
0
0
0
0

High Clouds (% Sky Obscured)

3
3
3
2
4
3
17
22
17
19
53
42
38
39
9
21
25
19
1
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 (%)

5
4
0
4
4
1
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)

14
14
15
14
14
14
14
12
12
11
11
11
11
12
12
11
11
11
11
10
10
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
88
86
83
81
79
82
89
89
89
89
89
89
88
83
79
73
74
75
79
70
67
64

Pressure (mb)

1026
1027
1027
1028
1029
1029
1030
1031
1031
1032
1032
1033
1034
1035
1036
1036
1037
1036
1036
1036
1036
1037
1037
1037

Ozone (du)

342
339
335
329
328
324
322
325
327
327
327
326
324
322
319
319
319
321
322
323
322
322
323
323

Wednesday 24

Waxing Crescent 28%

11:13

20:38

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 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK

Sun - Rise: 08:18, Set: 15:55, Transit: 12:06. Moon - Rise: 11:13, Set: 20:38. Civil Dark: 16:37 - 07:36. Nautical Dark: 17:22 - 06:51. Astro Dark: 18:04 - 06:09

Total Clouds (% Sky Obscured)

78
68
57
68
75
66
67
66
70
72
66
61
58
57
44
51
44
32
24
17
16
15
17
18

Low Clouds (% Sky Obscured)

78
68
57
68
75
65
67
66
70
72
66
61
58
57
44
51
44
32
24
17
16
15
17
18

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

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)

11
11
11
12
13
13
13
13
13
13
13
14
14
14
15
15
16
17
17
17
17
16
15
15

Chance of Frost

Temperature (°C)

4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
4
5
5
5
4
4
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
71
79
82
83
85
85
85
86
86
85
85
85
85
85
83
80
78
76
76
77
79
80
82

Pressure (mb)

1037
1037
1037
1037
1037
1036
1036
1036
1036
1035
1035
1035
1035
1035
1035
1034
1034
1033
1033
1032
1032
1032
1033
1033

Ozone (du)

323
322
324
324
325
327
326
326
328
330
329
329
329
332
334
337
337
337
338
339
337
334
333
333

Thursday 25

Waxing Crescent 39%

11:24

21:58

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

Sun - Rise: 08:18, Set: 15:56, Transit: 12:07. Moon - Rise: 11:24, Set: 21:58. Civil Dark: 16:38 - 07:36. Nautical Dark: 17:22 - 06:51. Astro Dark: 18:04 - 06:10

Total Clouds (% Sky Obscured)

20
20
15
8
2
4
5
5
8
12
19
21
23
25
29
30
31
37
43
58
75
88
100
93

Low Clouds (% Sky Obscured)

20
20
15
8
1
3
4
5
8
12
19
21
23
25
27
28
29
33
41
56
58
58
51
49

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
71
75

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
43
74
100
82

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)

14
14
13
12
12
11
10
10
10
10
10
10
10
10
10
10
11
12
12
13
13
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
85
86
86
88
88
88
89
91
93
91
93
91
93
89
85
83
83
86
86
82
85
89

Pressure (mb)

1033
1033
1033
1033
1033
1033
1033
1034
1034
1034
1034
1034
1034
1035
1035
1035
1035
1035
1035
1035
1035
1036
1036
1036

Ozone (du)

333
332
328
326
326
327
330
333
334
332
330
329
327
324
322
321
318
317
314
313
312
312
312
313

Friday 26

Waxing Crescent 50%

11:34

23:18

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:18, Set: 15:57, Transit: 12:07. Moon - Rise: 11:34, Set: 23:18. Civil Dark: 16:39 - 07:36. Nautical Dark: 17:23 - 06:52. Astro Dark: 18:05 - 06:10

Total Clouds (% Sky Obscured)

83
72
80
79
79
82
88
78
84
90
88
67
62
59
68
77
86
86
87
84
81
74
68
69

Low Clouds (% Sky Obscured)

58
63
64
67
76
80
86
78
84
87
84
65
62
59
68
77
86
84
78
66
63
67
68
69

Medium Clouds (% Sky Obscured)

24
25
55
26
3
4
2
2
3
3
5
4
4
2
2
1
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

48
5
50
35
15
3
1
0
0
0
0
0
0
0
0
0
0
3
5
7
7
4
2
2

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
1
1
1
3
5
6
7
6
2
2
1
0
2
2
3
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)

13
12
12
12
12
13
12
11
11
11
12
13
12
12
11
11
11
12
12
12
13
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
3
3
3
4
4
4
4
3
3
3
3
3
3
3
4
4
4
4
3

Relative Humidity (%)

93
91
94
91
93
86
86
91
94
96
94
90
88
86
85
83
81
79
79
81
82
84
85
86

Pressure (mb)

1037
1037
1037
1037
1037
1037
1037
1038
1038
1038
1038
1038
1037
1037
1038
1038
1038
1038
1038
1038
1038
1038
1038
1038

Ozone (du)

313
312
312
311
309
309
309
311
311
310
308
307
306
305
304
303
302
302
301
301
300
301
301
301

Saturday 27

First Quarter 61%

11:45

00:40

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:18, Set: 15:58, Transit: 12:08. Moon - Rise: 11:45, Set: 00:40. Civil Dark: 16:40 - 07:36. Nautical Dark: 17:24 - 06:52. Astro Dark: 18:06 - 06:10

Total Clouds (% Sky Obscured)

70
71
76
75
74
82
90
94
86
80
76
80
85
92
94
93
93
91
91
91
89
88
87
91

Low Clouds (% Sky Obscured)

70
71
76
75
66
77
73
72
76
71
73
79
85
92
91
91
90
90
89
90
89
88
87
91

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
10

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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
88
89
89
89
89
89
89
83
79
76
75
75
73
74
75
75
74
74
74
74
76
76

Pressure (mb)

1038
1038
1038
1038
1038
1038
1038
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037

Ozone (du)

301
301
300
300
300
299
300
301
302
302
302
301
302
302
303
302
302
302
302
302
301
302
302
303

Sunday 28

Waxing Gibbous 58%

11:58

02:07

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

Sun - Rise: 08:18, Set: 15:59, Transit: 12:08. Moon - Rise: 11:58, Set: 02:07. Civil Dark: 16:40 - 07:36. Nautical Dark: 17:25 - 06:52. Astro Dark: 18:07 - 06:10

Total Clouds (% Sky Obscured)

94
98
92
86
76
76
45
30
30
62
62
62
66
66
66
66
46

Low Clouds (% Sky Obscured)

94
96
88
77
67
63
45
30
30
16
9
5
5
5
5
5
5

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

22
33
24
11
0
13
25
30
30
62
62
62
66
66
61
57
46

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
1
1
0
1
2
2
2
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
2
1
2
2
2
1
2
2
1
1
1
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

80
83
88
89
91
91
93
91
91
93
93
91
89
89
88
82
77

Pressure (mb)

1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1038
1037
1037

Ozone (du)

303
303
304
303
302
302
301
301
300
299
298
297
298
298
298
298
299

Forecast for Rosliston, Derbyshire, United Kingdom (52.75,-1.64)

Generated: 22/12/25 19:56:44. Forecast: 22/12/25 to 28/12/25. Timezone: UTC+0.00