Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 2%

10:26

16:36

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:15, Set: 15:47, Transit: 12:01. Moon - Rise: 10:26, Set: 16:36. Civil Dark: 16:30 - 07:33. Nautical Dark: 17:15 - 06:48. Astro Dark: 17:57 - 06:05

Total Clouds (% Sky Obscured)

99
99
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

88
83
83
79
84
89
100
98
100
85
88
87
82
71
64
55
58
52
44
51
59
64
78
84

Medium Clouds (% Sky Obscured)

14
16
22
35
54
86
100
100
100
100
100
100
100
100
100
100
99
98
90
94
91
96
6
68

High Clouds (% Sky Obscured)

64
83
11
18
99
100
93
100
100
100
100
100
100
100
100
100
99
95
100
100
100
100
98
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
4
10
18
72
95
95
95
95
95
76
42
31
32
27
13
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
1.3
1.8
1.2
0.7
0.7
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
6
7
8
10
11
12
11
13
13
11
11
10
11
11
10
8
7
7
6
6
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
93
90
93
95
96
96
96
96
96
95
93
91
93
93
93
93
93
93
91
90
85

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1008
1009
1009
1009

Ozone (du)

315
316
319
323
328
334
340
344
345
345
347
348
352
354
356
356
356
358
357
359
361
364
365
366

Monday 22

Waxing Crescent 6%

10:45

17:53

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:16, Set: 15:48, Transit: 12:01. Moon - Rise: 10:45, Set: 17:53. Civil Dark: 16:30 - 07:33. Nautical Dark: 17:15 - 06:48. Astro Dark: 17:58 - 06:06

Total Clouds (% Sky Obscured)

100
100
97
97
100
100
99
100
100
97
96
96
97
100
100
100
100
99
100
100
100
100
97
97

Low Clouds (% Sky Obscured)

88
94
90
88
85
87
90
91
87
82
92
93
93
100
95
100
100
99
100
100
100
100
95
95

Medium Clouds (% Sky Obscured)

73
95
47
27
21
37
46
63
65
60
55
27
30
44
58
38
66
56
74
73
64
10
12
10

High Clouds (% Sky Obscured)

100
81
71
74
93
100
80
100
100
66
45
49
76
60
65
47
43
41
7
5
52
64
24
25

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
5
5
5
6
5

Relative Humidity (%)

82
82
85
88
91
93
93
93
94
94
94
96
94
96
96
94
96
96
96
96
96
94
96
91

Pressure (mb)

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

Ozone (du)

369
371
373
374
375
374
372
369
365
362
360
358
355
351
347
344
344
344
344
342
341
339
339
339

Tuesday 23

Waxing Crescent 12%

10:59

19:13

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:16, Set: 15:48, Transit: 12:02. Moon - Rise: 10:59, Set: 19:13. Civil Dark: 16:31 - 07:34. Nautical Dark: 17:16 - 06:48. Astro Dark: 17:58 - 06:06

Total Clouds (% Sky Obscured)

95
95
87
80
73
78
83
83
80
81
81
91
96
94
94
90
87
87
88
89
91
84
82
77

Low Clouds (% Sky Obscured)

95
93
87
80
73
78
83
83
80
81
81
90
90
82
76
76
78
74
72
71
65
56
46
39

Medium Clouds (% Sky Obscured)

10
12
7
9
1
14
22
7
17
14
23
47
65
54
53
33
33
24
31
44
51
31
16
3

High Clouds (% Sky Obscured)

11
13
11
9
4
8
8
8
8
2
6
29
60
55
55
55
60
55
55
46
41
31
34
31

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
87
91
94
94
94
96
94
96
94
96
96
94
94
94
93
93
93
93
89
86
85
81

Pressure (mb)

1022
1022
1022
1023
1024
1024
1025
1026
1027
1027
1027
1028
1028
1029
1030
1030
1030
1031
1032
1032
1033
1034
1034
1035

Ozone (du)

341
339
336
336
334
336
338
334
329
327
327
331
328
329
328
327
323
322
322
320
319
317
317
318

Wednesday 24

Waxing Crescent 19%

11:11

20:34

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

Sun - Rise: 08:16, Set: 15:49, Transit: 12:02. Moon - Rise: 11:11, Set: 20:34. Civil Dark: 16:31 - 07:34. Nautical Dark: 17:16 - 06:49. Astro Dark: 17:59 - 06:06

Total Clouds (% Sky Obscured)

85
83
84
83
82
64
68
66
48
42
35
33
32
31
30
36
38
37
44
48
48
51
54
57

Low Clouds (% Sky Obscured)

63
75
83
83
82
55
57
55
48
42
35
33
32
31
30
36
38
37
44
48
48
51
54
57

Medium Clouds (% Sky Obscured)

19
46
2
20
25
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

21
12
4
5
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
1
1
1
2
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1
1

Relative Humidity (%)

76
72
71
71
76
82
86
86
88
88
88
89
89
88
89
88
89
89
89
89
91
91
85
77

Pressure (mb)

1035
1036
1036
1036
1037
1037
1037
1037
1038
1038
1038
1038
1038
1037
1037
1037
1037
1036
1036
1036
1036
1036
1036
1036

Ozone (du)

320
320
320
321
320
318
316
315
315
314
315
314
314
314
314
314
315
316
317
318
320
321
321
319

Thursday 25

Waxing Crescent 28%

11:20

21:54

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

Sun - Rise: 08:16, Set: 15:50, Transit: 12:03. Moon - Rise: 11:20, Set: 21:54. Civil Dark: 16:32 - 07:34. Nautical Dark: 17:17 - 06:49. Astro Dark: 18:00 - 06:07

Total Clouds (% Sky Obscured)

54
51
44
46
48
46
49
49
44
44
46
42
45
50
48
48
48
50
43
37
30
31
33
34

Low Clouds (% Sky Obscured)

54
51
44
46
48
46
49
49
44
44
46
42
45
50
48
48
48
50
43
37
30
31
33
34

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
1
1
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
1
1
1
1
0
0
0
-1
-1
-1
-1
-1
-0
0
0
0
1
1
1
1

Relative Humidity (%)

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

Pressure (mb)

1035
1034
1034
1034
1034
1034
1034
1034
1034
1034
1033
1033
1033
1033
1033
1032
1032
1032
1032
1032
1032
1033
1032
1032

Ozone (du)

319
317
317
320
322
323
323
323
325
326
330
334
333
333
333
333
334
335
336
337
338
339
339
340

Friday 26

Waxing Crescent 39%

11:30

23:14

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

Sun - Rise: 08:17, Set: 15:50, Transit: 12:03. Moon - Rise: 11:30, Set: 23:14. Civil Dark: 16:33 - 07:34. Nautical Dark: 17:18 - 06:49. Astro Dark: 18:00 - 06:07

Total Clouds (% Sky Obscured)

35
36
28
22
16
10
27
44
64
79
85
84
82
83
81
79
75
70
67
64
64
60
58
55

Low Clouds (% Sky Obscured)

33
33
28
22
16
10
26
38
49
54
56
57
59
61
63
63
65
67
67
64
59
56
57
55

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
6
11
16
12
7
2
11
18
26
25
18
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
7
14
22
15
9
4
4
4
4
6
6
8
10
16
31
23
15
1

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
2
2
1
1
0
0
2
3
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
2

Relative Humidity (%)

80
82
80
80
80
80
82
82
82
83
83
85
83
85
86
88
88
86
86
83
82
79
79
78

Pressure (mb)

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

Ozone (du)

341
342
344
345
346
347
348
349
350
352
352
352
353
354
355
356
357
357
357
356
355
354
352
350

Saturday 27

First Quarter 50%

11:40

00:37

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
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: 08:17, Set: 15:51, Transit: 12:04. Moon - Rise: 11:40, Set: 00:37. Civil Dark: 16:34 - 07:34. Nautical Dark: 17:19 - 06:49. Astro Dark: 18:01 - 06:07

Total Clouds (% Sky Obscured)

65
74
84
79
74
69
71
74
76
65
51
41
57
73
91
85
79
75

Low Clouds (% Sky Obscured)

65
74
84
79
74
69
71
74
76
65
51
41
57
73
90
85
79
72

Medium Clouds (% Sky Obscured)

6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

12
17
21
18
13
4
9
11
9
8
6
1
11
15
17
18
17
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
76
75
74
74
74
73
73
72
71
72
75
76
75
73
72
73
75

Pressure (mb)

1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1035
1035
1035
1035
1034
1034
1034

Ozone (du)

348
345
342
339
337
335
333
331
330
329
327
326
325
325
325
326
326
327

Forecast for North Collingham, Nottinghamshire, United Kingdom (53.15,-0.76)

Generated: 21/12/25 12:49:01. Forecast: 21/12/25 to 27/12/25. Timezone: UTC+0.00