Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 1%

08:33

14:31

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

Sun - Rise: 08:20, Set: 15:46, Transit: 12:03. Moon - Rise: 08:33, Set: 14:31. Civil Dark: 16:29 - 07:37. Nautical Dark: 17:15 - 06:51. Astro Dark: 17:58 - 06:08

Total Clouds (% Sky Obscured)

100
100
87
61
66
36
14
22
27
15
30
47
38
48
38
43
38
47
60
46
31
29
20
20

Low Clouds (% Sky Obscured)

82
68
58
55
60
25
5
3
10
15
30
41
38
39
38
41
38
39
47
38
31
29
16
20

Medium Clouds (% Sky Obscured)

54
54
39
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0

High Clouds (% Sky Obscured)

97
61
87
45
40
36
14
22
27
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 (%)

28
29
14
33
4
0
0
0
0
0
1
0
2
2
5
4
4
4
8
3
2
2
1
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)

7
11
15
16
13
14
11
11
11
12
13
14
15
15
14
15
16
15
15
15
14
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
80
80
81
74
71
76
72
69
69
72
70
71
68
71
71
68
69
68
65
69
71
72

Pressure (mb)

995
995
996
997
999
1001
1002
1003
1003
1003
1004
1004
1005
1006
1007
1008
1009
1009
1010
1011
1011
1012
1013
1013

Ozone (du)

358
357
353
348
348
347
348
345
342
343
352
362
360
368
370
354
361
360
350
332
306
294
290
290

Friday 19

Waning Crescent 0%

09:26

15:26

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

Sun - Rise: 08:20, Set: 15:47, Transit: 12:03. Moon - Rise: 09:26, Set: 15:26. Civil Dark: 16:30 - 07:37. Nautical Dark: 17:16 - 06:51. Astro Dark: 17:59 - 06:08

Total Clouds (% Sky Obscured)

24
30
46
39
38
29
25
26
39
30
41
50
39
54
63
63
80
86
77
94
100
90
93
89

Low Clouds (% Sky Obscured)

24
30
46
39
38
29
25
26
39
30
41
50
39
54
63
63
80
86
77
94
100
90
92
88

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
1
40
50

High Clouds (% Sky Obscured)

0
0
0
1
0
0
1
3
1
1
8
6
2
2
2
2
2
2
2
2
27
30
30
35

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
9
9
9
9
9
8
8
8
9
9
10
9
9
9
10
10
10
10
10
10
11
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1010
1009
1009
1009

Ozone (du)

286
286
287
285
285
285
285
283
281
281
280
287
290
292
293
294
297
300
295
291
292
292
292
299

Saturday 20

New Moon 2%

10:05

16:35

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: 08:21, Set: 15:47, Transit: 12:04. Moon - Rise: 10:05, Set: 16:35. Civil Dark: 16:30 - 07:38. Nautical Dark: 17:16 - 06:52. Astro Dark: 17:59 - 06:09

Total Clouds (% Sky Obscured)

95
92
97
99
92
90
99
99
100
100
100
97
100
100
100
100
100
100
100
100
100
99
99
99

Low Clouds (% Sky Obscured)

89
83
93
94
67
76
91
91
100
100
100
92
100
100
100
100
100
100
100
100
97
95
93
94

Medium Clouds (% Sky Obscured)

55
59
44
60
73
67
71
93
85
76
61
30
56
41
41
48
35
32
53
63
76
85
95
94

High Clouds (% Sky Obscured)

35
35
35
36
46
45
77
72
61
100
96
77
60
58
57
61
60
63
66
65
53
46
39
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
7
2
1
0

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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
4
0
1
3
11
14
19
11
8
3
6
19
6
27
45
43
57
79
80
72
58

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.3
0.6
0.6
0.4
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
86
88
88
89
91
93
91
91
91
91
90
88
88
86
85
84
88
90
93
96
96
98

Pressure (mb)

1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008

Ozone (du)

307
326
339
348
352
352
335
332
333
335
336
341
346
349
352
355
359
364
369
374
379
381
378
378

Sunday 21

Waxing Crescent 6%

10:32

17:53

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: 08:21, Set: 15:48, Transit: 12:04. Moon - Rise: 10:32, Set: 17:53. Civil Dark: 16:31 - 07:38. Nautical Dark: 17:17 - 06:52. Astro Dark: 18:00 - 06:09

Total Clouds (% Sky Obscured)

98
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

95
97
97
99
100
100
100
100
100
99
99
94
95
100
100
100
100
100
100
100
100
100
100
97

Medium Clouds (% Sky Obscured)

75
90
85
84
78
74
70
67
66
63
67
79
91
100
100
100
100
100
100
100
97
97
100
99

High Clouds (% Sky Obscured)

38
31
37
43
49
45
41
36
60
80
100
100
100
100
100
100
100
100
100
100
100
100
100
85

ISS Passover

Visibility (miles)

0
0
0
0
7
9
9
9
9
9
9
9
9
9
8
9
9
8
7
6
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

66
58
32
25
23
17
12
4
3
3
0
1
3
16
33
34
39
39
33
30
11
3
0
2

Precipitation Amount (mm)

0.5
0.3
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
7
6
6
6
6
5
5
4
4
4
4
3
3
4
4
4
5
4
4
4

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
7
7
7
7
7
6
6
6
6
6
7
7
7
7
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
96
94
98
96
93
94
94
94
94
93
90
90
90
88
88
88
88
87
86
86

Pressure (mb)

1008
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013

Ozone (du)

378
377
376
375
376
375
375
374
375
378
378
381
382
384
383
386
387
388
389
391
393
394
397
398

Monday 22

Waxing Crescent 12%

10:51

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: 08:22, Set: 15:48, Transit: 12:05. Moon - Rise: 10:51, Set: No Set. Civil Dark: 16:31 - 07:38. Nautical Dark: 17:17 - 06:53. Astro Dark: 18:00 - 06:10

Total Clouds (% Sky Obscured)

100
100
98
100
98
70
62
60
60
61
91
93
99
100
100
100
100
98
96
95
90
89
88
91

Low Clouds (% Sky Obscured)

93
100
78
82
81
70
62
60
60
61
85
93
95
95
98
96
94
94
94
93
88
74
70
75

Medium Clouds (% Sky Obscured)

97
96
45
41
25
25
25
28
19
12
25
79
81
84
80
82
87
86
85
85
86
82
69
73

High Clouds (% Sky Obscured)

70
45
38
39
31
9
6
3
3
2
4
93
94
96
97
99
100
75
51
26
26
35
55
60

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 (%)

2
1
2
3
3
3
4
4
2
1
0
5
6
7
10
13
16
13
12
11
8
5
0
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1013
1014
1014
1014
1015
1015
1015
1016
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1021
1021
1021
1022
1023
1023

Ozone (du)

401
402
404
405
405
404
405
404
405
406
406
405
406
407
408
409
410
411
411
411
410
406
401
396

Tuesday 23

Waxing Crescent 19%

11:04

19:14

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: 08:22, Set: 15:49, Transit: 12:05. Moon - Rise: 11:04, Set: 19:14. Civil Dark: 16:32 - 07:39. Nautical Dark: 17:18 - 06:53. Astro Dark: 18:01 - 06:10

Total Clouds (% Sky Obscured)

93
95
93
93
90
91
92
94
96
98
99
100
99
98
97
97
99
97
95
93
85
78
70
65

Low Clouds (% Sky Obscured)

81
87
84
83
80
82
81
82
83
86
87
87
88
88
91
95
98
97
95
93
85
78
70
65

Medium Clouds (% Sky Obscured)

72
75
80
80
75
73
71
70
54
37
24
16
9
1
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

65
65
59
52
39
43
50
54
40
28
17
12
8
3
2
1
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 (%)

9
11
16
20
24
25
26
26
23
20
16
16
15
12
13
13
13
14
14
13
13
12
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
94
94
93
90
90
90
88
86
85
85
80
79
75
71
66
61
63
65
67
65
62
60

Pressure (mb)

1024
1024
1025
1025
1025
1026
1026
1027
1027
1028
1028
1028
1029
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031

Ozone (du)

394
391
389
388
387
386
386
386
386
384
382
379
379
379
378
375
371
368
364
360
356
354
351
348

Wednesday 24

Waxing Crescent 28%

11:15

20:35

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: 08:22, Set: 15:50, Transit: 12:06. Moon - Rise: 11:15, Set: 20:35. Civil Dark: 16:33 - 07:39. Nautical Dark: 17:19 - 06:53. Astro Dark: 18:02 - 06:10

Total Clouds (% Sky Obscured)

60
55
71
84
98
98
98
98
94
82
71
65
60
63
68
82
86

Low Clouds (% Sky Obscured)

60
55
70
84
95
96
97
96
84
72
61
60
59
53
58
68
72

Medium Clouds (% Sky Obscured)

0
0
16
28
38
32
24
25
20
20
20
19
23
27
21
16
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
16
36
54
36
18
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

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

Precipitation Probability (%)

15
15
19
21
19
39
47
51
68
82
94
85
75
65
55
44
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.5
0.7
0.6
0.4
0.3
0.2
0
0

Wind Speed/Direction (mph)

12
12
11
11
11
11
11
11
11
10
10
10
10
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
64
66
64
63
63
66
68
72
73
75
74
76
77
77
72
69

Pressure (mb)

1031
1031
1031
1030
1029
1029
1028
1028
1027
1027
1027
1026
1027
1027
1028
1028
1028

Ozone (du)

347
346
345
341
338
334
331
329
326
325
324
323
326
328
330
332
334

Forecast for Peacock, Wakefield, United Kingdom (53.68,-1.51)

Generated: 18/12/25 19:29:54. Forecast: 18/12/25 to 24/12/25. Timezone: UTC+0.00