Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 1%

08:25

14:41

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

Sun - Rise: 08:15, Set: 15:53, Transit: 12:04. Moon - Rise: 08:25, Set: 14:41. Civil Dark: 16:35 - 07:34. Nautical Dark: 17:19 - 06:49. Astro Dark: 18:01 - 06:07

Total Clouds (% Sky Obscured)

94
95
96
100
45
32
5
55
0
0
21
26
40
49
51
51
40
45
56
61
55
51
45
40

Low Clouds (% Sky Obscured)

55
65
70
57
41
32
0
0
0
0
21
26
40
49
51
51
40
45
56
61
55
51
45
40

Medium Clouds (% Sky Obscured)

94
61
48
50
45
3
0
45
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

94
95
96
100
45
32
5
55
0
0
21
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
7
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
0
5
26
24
5
0
0
0
0
0
0
0
1
0
1
1
2
2
3
7
0
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)

9
10
13
17
17
16
12
10
10
11
12
13
13
13
13
15
15
15
15
14
14
12
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
7
7
7
8
5
4
3
3
2
1
2
2
2
1
1
2
3
4
5
5
5
5
5

Relative Humidity (%)

85
85
87
85
88
82
84
83
83
82
78
79
82
80
75
74
75
73
75
74
76
77
81
84

Pressure (mb)

996
997
998
999
1000
1002
1003
1004
1006
1006
1006
1007
1008
1009
1010
1011
1011
1012
1012
1013
1013
1014
1014
1015

Ozone (du)

338
354
359
362
358
361
358
355
356
350
343
348
356
359
356
357
360
367
352
348
327
306
292
286

Friday 19

Waning Crescent 0%

09:19

15:36

18 OK
19 Bad
20 OK
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

Sun - Rise: 08:16, Set: 15:53, Transit: 12:05. Moon - Rise: 09:19, Set: 15:36. Civil Dark: 16:35 - 07:34. Nautical Dark: 17:20 - 06:50. Astro Dark: 18:01 - 06:08

Total Clouds (% Sky Obscured)

26
41
37
53
58
55
49
41
42
45
52
52
55
67
58
57
62
75
73
61
53
67
74
83

Low Clouds (% Sky Obscured)

26
41
37
53
58
55
49
41
42
45
52
52
55
67
58
57
62
75
73
61
53
67
70
67

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
15
28
56

High Clouds (% Sky Obscured)

3
3
2
2
1
1
2
2
2
1
0
0
2
2
1
1
2
4
3
23
28
40
35
40

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
90
90
91
91
90
88
89
89
89
91
91
89
91
91
88
85
84
82
82
82
85
85

Pressure (mb)

1015
1016
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1011
1010
1010
1009
1009
1009
1008

Ozone (du)

285
286
285
284
287
287
287
286
282
282
281
282
284
290
296
298
298
306
308
304
299
299
297
295

Saturday 20

New Moon 2%

09:59

16:44

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:16, Set: 15:54, Transit: 12:05. Moon - Rise: 09:59, Set: 16:44. Civil Dark: 16:36 - 07:35. Nautical Dark: 17:20 - 06:50. Astro Dark: 18:02 - 06:08

Total Clouds (% Sky Obscured)

85
82
100
98
92
99
100
100
98
100
98
98
97
95
96
96
93
96
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

72
69
87
71
80
89
94
93
95
100
93
91
93
90
92
92
85
90
89
88
89
89
89
89

Medium Clouds (% Sky Obscured)

47
44
61
68
67
58
83
87
83
90
95
86
83
64
70
59
70
63
75
88
100
100
100
100

High Clouds (% Sky Obscured)

45
50
100
93
64
96
100
92
67
58
61
75
70
65
70
60
40
34
37
43
50
65
80
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
3
2
9
6

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

Precipitation Probability (%)

0
0
0
3
3
16
14
8
5
3
8
14
14
3
1
6
24
17
31
65
62
79
67
68

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0.5
0.3
0.3

Wind Speed/Direction (mph)

10
10
10
10
10
10
9
10
10
10
9
10
9
9
9
10
10
10
11
10
10
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
85
86
86
89
91
91
91
93
93
94
94
91
87
88
93
95
95
96
95
95
91

Pressure (mb)

1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1006
1006
1006
1006
1006
1006

Ozone (du)

299
301
308
320
335
347
345
329
333
338
341
345
349
353
355
360
366
374
383
389
394
389
388
392

Sunday 21

Waxing Crescent 6%

10:27

18:00

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:17, Set: 15:54, Transit: 12:06. Moon - Rise: 10:27, Set: 18:00. Civil Dark: 16:36 - 07:35. Nautical Dark: 17:21 - 06:51. Astro Dark: 18:02 - 06:09

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

90
91
91
79
75
72
97
93
85
80
78
77
77
78
79
83
97
100
98
97
89
85
79
80

Medium Clouds (% Sky Obscured)

99
98
97
90
82
75
76
83
78
83
75
63
60
56
56
60
67
74
74
76
81
79
78
84

High Clouds (% Sky Obscured)

77
58
29
31
33
34
56
79
100
88
81
77
69
57
47
56
61
63
61
62
64
63
20
58

ISS Passover

Visibility (miles)

7
4
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

Very Light Rain
Light Rain
Very 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

Precipitation Probability (%)

56
70
60
54
49
38
38
31
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0

Precipitation Amount (mm)

0.2
0.4
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
85
87
90
91
90
91
90
91
93
93
91
91
90
90
90
87
84
84
84
84
85
85

Pressure (mb)

1006
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1009
1009
1009
1010
1010
1010
1010
1010
1010
1011
1011
1012

Ozone (du)

392
392
392
392
391
391
389
388
388
389
390
392
396
398
400
400
402
402
402
403
402
403
404
406

Monday 22

Waxing Crescent 12%

10:47

18:00

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:17, Set: 15:55, Transit: 12:06. Moon - Rise: 10:47, Set: 18:00. Civil Dark: 16:37 - 07:36. Nautical Dark: 17:21 - 06:51. Astro Dark: 18:03 - 06:09

Total Clouds (% Sky Obscured)

100
100
82
72
71
70
65
65
65
65
70
75
95
100
100
100
100
100
100
100
90
82
69
62

Low Clouds (% Sky Obscured)

77
76
72
72
70
70
65
65
65
65
70
75
95
100
100
100
100
90
75
70
61
58
63
62

Medium Clouds (% Sky Obscured)

84
82
43
14
9
0
3
5
7
21
32
45
38
37
40
33
39
41
35
20
0
0
0
0

High Clouds (% Sky Obscured)

56
8
5
4
2
0
0
0
0
0
0
0
50
40
30
29
21
14
9
5
1
4
8
11

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
2
2
1
0
0
0
0
1
0
0
0
0
0
5
8
10
11
11
11
8
5
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1012
1012
1013
1013
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1017
1017
1018
1018
1018
1018
1019
1019
1020
1020

Ozone (du)

407
413
416
420
421
420
417
414
413
412
412
413
415
416
417
418
418
418
418
417
415
413
408
403

Tuesday 23

Waxing Crescent 19%

11:02

19:19

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:18, Set: 15:56, Transit: 12:07. Moon - Rise: 11:02, Set: 19:19. Civil Dark: 16:37 - 07:36. Nautical Dark: 17:22 - 06:51. Astro Dark: 18:03 - 06:09

Total Clouds (% Sky Obscured)

67
71
75
77
81
85
89
94
100
100
100
100
100
100
100
99
96
93
89
85
81
74
68
61

Low Clouds (% Sky Obscured)

67
66
64
71
78
85
80
77
73
71
76
82
84
92
94
93
92
91
87
83
79
74
68
61

Medium Clouds (% Sky Obscured)

1
2
3
5
7
6
11
13
21
40
65
87
59
40
22
17
9
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

14
18
25
17
12
9
30
49
77
78
79
79
83
80
78
50
31
15
10
6
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 (%)

2
2
1
4
5
2
8
11
10
14
15
15
13
10
1
8
10
11
10
9
7
9
9
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
93
93
93
91
89
89
89
89
88
86
85
80
78
73
73
75
75
75
76

Pressure (mb)

1021
1021
1022
1022
1023
1023
1023
1024
1024
1024
1025
1025
1025
1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

398
396
394
391
390
389
388
386
384
382
384
387
389
384
380
375
376
376
376
373
369
365
361
358

Wednesday 24

Waxing Crescent 28%

11:14

20:39

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: 08:18, Set: 15:56, Transit: 12:07. Moon - Rise: 11:14, Set: 20:39. Civil Dark: 16:38 - 07:36. Nautical Dark: 17:23 - 06:52. Astro Dark: 18:04 - 06:10

Total Clouds (% Sky Obscured)

70
79
88
91
95
97
91
65
38
37
65
64
64
69
70
69
68
49

Low Clouds (% Sky Obscured)

62
62
61
71
79
89
81
65
38
37
25
20
16
16
15
14
12
10

Medium Clouds (% Sky Obscured)

14
28
46
47
49
50
50
40
38
28
27
17
6
4
0
4
8
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
10
13
36
58
49

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

Precipitation Probability (%)

11
11
11
26
29
29
55
73
85
77
68
57
47
35
14
13
11
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-2
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-3
-3
-2
-3
-3

Dew Point (°C)

-1
-1
-1
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-1
-2
-1
-1

Relative Humidity (%)

76
76
73
72
73
73
73
76
76
78
78
78
80
80
80
78
77
74

Pressure (mb)

1028
1028
1027
1027
1027
1026
1025
1025
1025
1025
1024
1024
1024
1025
1025
1025
1025
1025

Ozone (du)

354
353
352
352
351
350
349
345
340
336
335
334
333
332
331
331
333
335

Forecast for Lichfield, Staffordshire, United Kingdom (52.69,-1.81)

Generated: 18/12/25 18:39:13. Forecast: 18/12/25 to 24/12/25. Timezone: UTC+0.00