Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 7%

05:52

13:33

18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 Bad
00 Bad
01 Bad
02 OK
03 Good
04 Good
05 Good
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: 07:59, Set: 15:51, Transit: 11:55. Moon - Rise: 05:52, Set: 13:33. Civil Dark: 16:31 - 07:19. Nautical Dark: 17:14 - 06:36. Astro Dark: 17:55 - 05:56

Total Clouds (% Sky Obscured)

100
99
100
97
36
52
52
59
29
4
6
11
100
100
100
100
100
100
100
100
100
97
94
95

Low Clouds (% Sky Obscured)

85
82
66
42
36
52
50
37
28
4
6
11
29
0
0
8
0
0
26
38
42
51
55
41

Medium Clouds (% Sky Obscured)

70
88
46
45
29
0
0
0
0
0
0
0
0
3
37
39
32
100
100
100
98
97
81
72

High Clouds (% Sky Obscured)

3
0
0
0
0
0
2
21
3
2
6
11
60
85
100
100
90
100
100
100
100
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
3
19
21
1
2
6
1
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
1
6
16
15
8
4

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
8
7
7
4
3
4
3
3
3
3
4
4
4
5
5
7
8
9
11
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
84
87
87
86
86
85
85
83
85
85
85
82
79
75
71
72
74
74
77
78
78
77

Pressure (mb)

1013
1014
1014
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1018
1017
1017
1016
1015
1015
1014
1014

Ozone (du)

347
353
357
350
343
341
336
331
327
324
323
320
315
312
310
308
306
304
304
302
300
301
300
301

Wednesday 17

Waning Crescent 3%

07:02

14:02

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: 08:00, Set: 15:51, Transit: 11:56. Moon - Rise: 07:02, Set: 14:02. Civil Dark: 16:31 - 07:20. Nautical Dark: 17:14 - 06:37. Astro Dark: 17:55 - 05:56

Total Clouds (% Sky Obscured)

94
90
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

50
68
86
100
84
92
98
81
100
81
75
90
79
79
86
85
91
94
91
90
90
100
70
61

Medium Clouds (% Sky Obscured)

73
80
72
76
95
96
99
100
100
100
100
100
100
98
100
100
100
82
92
86
84
96
100
96

High Clouds (% Sky Obscured)

45
50
45
40
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100

ISS Passover

Visibility (miles)

9
9
9
9
9
5
9
5
6
3
9
9
9
9
9
9
9
9
9
9
9
8
9
5

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

Precipitation Probability (%)

1
2
2
11
50
58
82
95
95
95
95
85
80
95
95
95
95
95
95
94
82
83
78
35

Precipitation Amount (mm)

0
0
0
0
0.2
0.2
0.2
2
0.8
2
0.7
0.4
0.3
0.8
1
0.7
0.8
0.8
0.7
0.6
0.5
0.5
0.4
0

Wind Speed/Direction (mph)

12
13
14
15
16
16
17
17
16
16
15
14
14
14
13
14
14
16
17
19
19
21
22
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
74
76
78
81
81
85
88
90
90
90
90
90
90
90
90
87
88
83
81
80
79
76

Pressure (mb)

1014
1013
1013
1012
1012
1011
1011
1010
1010
1010
1010
1009
1009
1009
1009
1009
1008
1006
1005
1003
1002
1002
1001
1001

Ozone (du)

302
303
303
302
303
304
307
311
311
312
310
309
303
305
305
301
297
291
288
290
294
290
289
289

Thursday 18

Waning Crescent 1%

08:07

14:43

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 Good
11 Good
12 Good
13 Good
14 OK
15 Good
16 Good
17 Good

Sun - Rise: 08:01, Set: 15:52, Transit: 11:56. Moon - Rise: 08:07, Set: 14:43. Civil Dark: 16:32 - 07:21. Nautical Dark: 17:15 - 06:38. Astro Dark: 17:55 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
96
68
96
70
65
62
0
4
11
18
25
17
11
3

Low Clouds (% Sky Obscured)

57
59
75
60
67
46
9
0
0
0
0
0
0
0
0
0
0
4
11
18
25
17
11
3

Medium Clouds (% Sky Obscured)

83
96
92
98
92
33
38
34
29
35
35
40
35
30
30
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
95
100
100
100
100
100
100
100
96
62
96
70
65
57
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 (%)

8
24
39
25
10
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)

28
26
20
21
18
13
11
10
10
10
10
9
9
9
9
9
9
10
10
10
9
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
8
9
8
6
5
5
4
4
3
3
2
2
3
3
3
3
4
4
4
4
5
5
5

Relative Humidity (%)

70
73
81
77
70
69
72
70
71
70
71
71
71
74
74
73
70
68
66
67
67
70
75
79

Pressure (mb)

1001
1003
1004
1005
1007
1008
1010
1011
1012
1012
1013
1014
1015
1015
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

290
289
292
302
313
322
332
338
348
352
352
354
357
364
368
371
375
362
336
329
326
323
318
311

Friday 19

Waning Crescent 0%

09:00

15:38

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

Sun - Rise: 08:01, Set: 15:52, Transit: 11:57. Moon - Rise: 09:00, Set: 15:38. Civil Dark: 16:32 - 07:21. Nautical Dark: 17:15 - 06:38. Astro Dark: 17:56 - 05:57

Total Clouds (% Sky Obscured)

5
7
7
12
15
20
23
58
69
63
33
38
46
42
32
32
31
29
30
36
40
45
59
63

Low Clouds (% Sky Obscured)

5
7
7
12
15
20
23
39
44
49
33
38
46
42
32
32
31
29
30
36
37
39
36
38

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
5
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
10
28
36

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

6
6
6
5
5
5
5
5
5
6
7
7
7
7
7
8
9
10
11
11
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
82
84
84
87
86
86
88
87
85
85
83
85
85
82
79
77
75
74
75
78
79
78

Pressure (mb)

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

Ozone (du)

307
305
301
299
296
295
295
294
289
284
283
287
290
290
292
293
298
303
304
307
309
311
311
311

Saturday 20

New Moon 2%

09:41

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: 08:02, Set: 15:52, Transit: 11:57. Moon - Rise: 09:41, Set: 16:44. Civil Dark: 16:32 - 07:22. Nautical Dark: 17:16 - 06:39. Astro Dark: 17:56 - 05:58

Total Clouds (% Sky Obscured)

74
86
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
95
91
86
80
75
76

Low Clouds (% Sky Obscured)

49
63
71
74
79
78
81
82
84
74
65
56
62
77
92
88
84
81
79
75
71
59
46
30

Medium Clouds (% Sky Obscured)

49
67
88
91
60
62
64
100
100
100
100
100
98
99
100
100
100
100
95
91
83
80
75
76

High Clouds (% Sky Obscured)

55
77
100
100
99
86
99
100
100
100
96
100
88
94
100
97
91
86
72
56
40
51
53
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

1
3
4
17
27
30
37
40
46
56
57
64
75
83
90
80
69
53
50
45
38
34
28
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
71
69
69
70
72
70
71
75
79
84
85
85
87
88
90
88
85
84
84
84
85
87
88

Pressure (mb)

1006
1006
1005
1004
1004
1003
1002
1002
1002
1002
1001
1001
1001
1002
1002
1002
1002
1002
1003
1003
1003
1003
1004
1004

Ozone (du)

311
310
315
317
322
325
324
321
322
323
319
318
319
321
323
326
333
340
347
351
355
360
364
369

Sunday 21

Waxing Crescent 6%

10:11

17:59

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: 08:02, Set: 15:53, Transit: 11:58. Moon - Rise: 10:11, Set: 17:59. Civil Dark: 16:33 - 07:22. Nautical Dark: 17:16 - 06:39. Astro Dark: 17:57 - 05:58

Total Clouds (% Sky Obscured)

88
94
100
100
100
100
100
100
100
100
100
100
92
82
73
82
90
100
100
99
98
98
99
98

Low Clouds (% Sky Obscured)

40
50
57
57
57
57
69
80
92
88
85
82
73
63
54
48
43
38
37
37
36
38
39
40

Medium Clouds (% Sky Obscured)

88
94
100
100
100
100
100
100
100
100
100
100
92
82
73
73
56
37
27
16
9
13
13
13

High Clouds (% Sky Obscured)

73
87
100
100
100
100
100
100
100
100
100
100
80
60
45
63
82
100
93
83
71
79
86
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
8
8
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
Very Light Rain
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

Precipitation Probability (%)

15
11
0
11
13
8
52
70
83
88
93
95
86
69
46
39
28
2
4
4
2
3
2
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
6
6
6
6
6
7
8
9
10
11
12
12
11
11
10
10
9
9
8
8
7
6

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
9
10
10
10
10
10
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
85
84
88
91
95
95
95
95
93
93
95
91
88
85
84
82
80
78
77
76
80
82

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1004
1004
1003
1003
1003
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004

Ozone (du)

374
379
385
390
389
389
388
389
391
392
394
396
398
399
401
402
406
409
413
415
417
419
418
416

Monday 22

Waxing Crescent 12%

10:33

17:59

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: 08:03, Set: 15:54, Transit: 11:58. Moon - Rise: 10:33, Set: 17:59. Civil Dark: 16:34 - 07:23. Nautical Dark: 17:17 - 06:39. Astro Dark: 17:57 - 05:59

Total Clouds (% Sky Obscured)

96
97
86
90
93
99
97
95
95
97
98
99
95
93
92
95
98
100

Low Clouds (% Sky Obscured)

41
42
41
34
32
31
44
54
63
57
48
39
37
35
37
40
42
49

Medium Clouds (% Sky Obscured)

17
21
25
16
6
6
5
4
3
4
8
16
33
47
61
73
80
83

High Clouds (% Sky Obscured)

76
69
66
89
93
98
87
75
60
65
66
67
73
80
88
67
46
25

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 (%)

7
11
13
11
9
3
6
5
0
0
0
0
1
3
3
9
12
15

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)

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

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
6
6
6
6
6
6
6
6
6
6
6
7

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
4
4
4
4
5
5
5
5
5
5
4
4

Relative Humidity (%)

85
85
85
85
85
87
87
87
88
90
91
93
93
91
93
91
87
84

Pressure (mb)

1004
1005
1005
1005
1005
1006
1006
1006
1006
1006
1007
1007
1007
1007
1008
1009
1009
1009

Ozone (du)

414
413
411
410
408
406
403
402
401
400
400
400
400
399
398
398
397
397

Forecast for Wilmington, Kent, United Kingdom (51.43,0.21)

Generated: 16/12/25 18:58:25. Forecast: 16/12/25 to 22/12/25. Timezone: UTC+0.00