Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 6%

06:04

13:33

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

Sun - Rise: 08:12, Set: 16:12, Transit: 12:12. Moon - Rise: 06:04, Set: 13:33. Civil Dark: 16:51 - 07:33. Nautical Dark: 17:33 - 06:51. Astro Dark: 18:13 - 06:11

Total Clouds (% Sky Obscured)

48
57
62
70
70
50
48
31
0
5
0
5
10
13
76
59
99
94
100
98
99
100
100
100

Low Clouds (% Sky Obscured)

40
37
37
32
36
47
48
31
0
5
0
0
0
3
29
35
53
40
46
64
63
84
86
91

Medium Clouds (% Sky Obscured)

48
57
62
70
70
45
23
0
0
0
0
0
0
0
2
18
38
44
45
93
96
94
100
100

High Clouds (% Sky Obscured)

15
57
62
70
70
50
0
0
0
5
0
5
10
13
19
59
87
56
100
64
68
100
100
100

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
1
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
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
33
58
83

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
0.4

Wind Speed/Direction (mph)

9
9
13
16
12
10
7
7
6
5
4
3
2
2
2
2
1
3
6
9
11
14
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
84
84
85
87
93
91
91
89
89
89
86
85
85
86
88
88
86
88
84
84
85
85

Pressure (mb)

1011
1012
1012
1012
1013
1013
1014
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1017
1017
1016
1016
1016
1016
1015

Ozone (du)

352
353
359
364
364
361
361
352
347
342
336
333
328
325
321
316
314
312
311
310
308
307
305
303

Wednesday 17

Waning Crescent 6%

07:14

13:56

10 Bad
11 Bad
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

Sun - Rise: 08:12, Set: 16:13, Transit: 12:12. Moon - Rise: 07:14, Set: 13:56. Civil Dark: 16:51 - 07:33. Nautical Dark: 17:33 - 06:51. Astro Dark: 18:13 - 06:12

Total Clouds (% Sky Obscured)

100
100
100
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)

96
100
100
100
100
100
100
100
100
100
100
100
95
37
23
54
62
50
78
76
80
77
75
77

Medium Clouds (% Sky Obscured)

100
100
91
99
97
79
94
91
77
94
100
100
98
100
100
99
100
100
95
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
25
20
25
43
51
62
67
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
73
84
84
84
81
32
10
2
76
84
84
56
12
84
77

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

94
80
77
89
95
95
95
95
95
95
95
95
95
93
32
10
5
3
6
33
64
93
95
95

Precipitation Amount (mm)

0.7
0.5
0.6
0.9
1.2
1.7
1.4
1.7
2
3.2
2.6
2.3
2
0.8
0
0
0
0
0
0
0
0.5
1.7
2.2

Wind Speed/Direction (mph)

17
18
19
21
22
23
23
23
24
24
25
24
21
15
10
6
4
3
2
4
7
8
10
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
95
96
96
98
98
96
98
98
98
98
96
98
98
96
95
96
96
96
96
95
93
96

Pressure (mb)

1015
1015
1014
1013
1012
1011
1011
1010
1010
1009
1009
1008
1008
1008
1008
1009
1009
1009
1008
1007
1007
1006
1004
1003

Ozone (du)

301
300
300
300
303
307
307
307
311
315
319
321
317
311
308
308
310
306
301
298
294
292
292
293

Thursday 18

Waning Crescent 3%

08:17

14:26

10 Bad
11 Bad
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 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:13, Set: 16:13, Transit: 12:13. Moon - Rise: 08:17, Set: 14:26. Civil Dark: 16:52 - 07:34. Nautical Dark: 17:34 - 06:52. Astro Dark: 18:14 - 06:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
68
60
56
17
21
31
39
32
36
36
39
44
46

Low Clouds (% Sky Obscured)

73
68
87
87
87
96
94
76
25
44
36
1
21
25
17
21
31
39
32
36
36
39
44
46

Medium Clouds (% Sky Obscured)

100
100
100
100
100
96
98
100
100
94
75
0
11
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
92
53
97
100
100
100
100
100
100
43
50
36
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

84
84
0
0
84
0
0
0
52
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
73
55
79
38
21
8
1
0
1
1
2
4
7
5
5
4
4
5
5
9

Precipitation Amount (mm)

4.5
5.9
4
1.4
0.4
0
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
9
11
18
18
17
19
21
18
15
14
12
12
13
13
13
13
13
12
10
9
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
4
3
1
3
4
4
3
3
2
1
1
3
3
3
3
3
3
3
3
4
4
4
4

Dew Point (°C)

9
9
10
9
9
9
9
9
8
6
4
4
4
3
4
4
4
4
4
4
4
5
5
5

Relative Humidity (%)

98
98
98
96
93
96
96
95
91
87
82
84
82
81
84
85
85
86
86
88
90
91
91
93

Pressure (mb)

1002
1001
999
998
999
1000
1000
1001
1003
1005
1007
1008
1009
1010
1011
1011
1012
1012
1013
1014
1014
1015
1016
1017

Ozone (du)

302
301
298
295
298
303
306
326
334
336
348
359
368
376
382
386
383
387
395
392
385
378
352
334

Friday 19

Waning Crescent 1%

09:11

15:08

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 OK
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

Sun - Rise: 08:13, Set: 16:13, Transit: 12:13. Moon - Rise: 09:11, Set: 15:08. Civil Dark: 16:52 - 07:35. Nautical Dark: 17:34 - 06:53. Astro Dark: 18:14 - 06:13

Total Clouds (% Sky Obscured)

46
44
43
35
36
31
36
44
47
52
56
67
65
67
68
64
88
90
89
98
98
99
100
100

Low Clouds (% Sky Obscured)

46
44
43
35
36
31
36
44
47
52
56
66
65
67
68
64
88
88
86
92
94
97
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
9
16
25
19
14
9
7
6
5
9
11
17
23
34
51
61

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
30

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

21
21
27
26
22
9
9
6
16
21
23
24
19
21
20
22
28
30
32
37
32
32
39
61

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
0.3

Wind Speed/Direction (mph)

9
11
13
13
12
11
9
8
7
7
7
7
8
9
10
11
13
14
15
17
18
18
19
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
85
84
82
82
85
87
88
90
90
88
87
85
84
85
87
84
81
82
84
82
84
85

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1014
1014
1013
1012
1011
1010
1009
1008
1007
1006
1005

Ozone (du)

330
336
333
320
303
305
305
305
301
297
295
294
290
286
285
284
281
282
283
288
290
292
295
297

Saturday 20

New Moon 0%

09:52

16:03

10 Bad
11 Bad
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

Sun - Rise: 08:14, Set: 16:14, Transit: 12:14. Moon - Rise: 09:52, Set: 16:03. Civil Dark: 16:53 - 07:35. Nautical Dark: 17:35 - 06:53. Astro Dark: 18:15 - 06:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
96
92
88
92
96
100
97
96
94
95
94
95
97
99
100
96

Low Clouds (% Sky Obscured)

100
100
93
85
78
76
74
70
70
73
74
81
89
100
88
77
65
65
69
72
66
61
60
62

Medium Clouds (% Sky Obscured)

95
94
97
89
80
84
100
100
85
68
52
70
87
100
87
75
65
71
76
83
78
82
95
89

High Clouds (% Sky Obscured)

30
26
56
43
61
66
91
100
72
40
10
37
70
100
90
82
81
79
68
56
36
17
0
0

ISS Passover

Visibility (miles)

9
6
7
9
9
9
5
2
1
1
0
0
4
9
9
9
9
9
6
3
0
0
1
1

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

Precipitation Probability (%)

91
95
95
93
76
69
95
95
81
54
19
41
61
80
95
69
45
59
73
88
95
95
95
95

Precipitation Amount (mm)

0.7
1.4
1
0.7
0.5
0.3
0.8
1.4
0.5
0
0
0
0.3
0.7
0.8
0.4
0.2
0.2
0.4
0.6
0.7
0.9
1.4
0.8

Wind Speed/Direction (mph)

19
18
18
17
16
17
15
13
8
9
6
5
6
6
7
6
4
3
2
3
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
85
85
84
82
85
93
98
96
96
94
96
94
91
91
88
86
91
94
98
98
96
96

Pressure (mb)

1004
1003
1002
1001
1000
1000
999
999
999
999
999
999
998
998
998
998
998
997
997
997
997
997
998
998

Ozone (du)

302
307
314
321
327
330
332
335
339
344
349
354
357
355
357
360
363
366
375
385
395
404
412
421

Sunday 21

Waxing Crescent 2%

No Rise

17:09

10 Bad
11 Bad
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

Sun - Rise: 08:14, Set: 16:14, Transit: 12:14. Moon - Rise: No Rise, Set: 17:09. Civil Dark: 16:53 - 07:36. Nautical Dark: 17:35 - 06:54. Astro Dark: 18:15 - 06:14

Total Clouds (% Sky Obscured)

92
88
75
64
51
55
66
68
77
76
81
87
92
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

63
60
55
56
51
55
65
68
73
72
72
67
62
56
56
55
55
72
87
100
92
84
76
84

Medium Clouds (% Sky Obscured)

81
78
75
64
51
48
30
27
25
27
32
46
67
90
92
95
100
100
100
100
100
99
99
99

High Clouds (% Sky Obscured)

0
0
4
10
14
11
5
0
3
6
11
38
65
93
90
87
84
87
90
93
90
94
96
96

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

72
39
43
43
40
35
31
21
23
23
18
26
28
25
30
27
13
57
76
86
90
95
95
95

Precipitation Amount (mm)

0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.4
0.6
0.8
0.5

Wind Speed/Direction (mph)

3
3
4
4
4
5
4
4
5
5
5
5
5
5
5
6
7
8
10
10
11
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

998
998
999
999
999
1000
1000
1000
1001
1001
1002
1002
1002
1002
1002
1002
1002
1002
1001
1001
1001
1000
1000
1000

Ozone (du)

422
423
424
428
432
436
438
441
443
442
441
440
440
440
439
440
441
441
440
440
439
438
436
435

Monday 22

Waxing Crescent 6%

10:23

18:22

10 Bad
11 Bad
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

Sun - Rise: 08:15, Set: 16:15, Transit: 12:15. Moon - Rise: 10:23, Set: 18:22. Civil Dark: 16:54 - 07:36. Nautical Dark: 17:36 - 06:54. Astro Dark: 18:16 - 06:14

Total Clouds (% Sky Obscured)

100
100
99
97
96
97
99
99
99
99
100
96
93
90
94
97
100
100
100
100

Low Clouds (% Sky Obscured)

92
100
88
79
72
70
71
75
72
66
60
57
51
45
42
43
39
39
39
39

Medium Clouds (% Sky Obscured)

98
98
85
73
55
47
44
35
37
48
58
58
59
56
68
77
89
87
84
79

High Clouds (% Sky Obscured)

100
100
95
89
84
84
90
99
81
74
67
64
52
34
48
68
92
95
97
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

85
66
61
58
48
39
29
7
7
7
4
7
7
4
4
2
0
1
1
0

Precipitation Amount (mm)

0.3
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
90
90
91
93
91
91
91
89
89
88
88
88
86
85
83
85
86

Pressure (mb)

1000
1000
1000
1001
1001
1001
1002
1002
1003
1004
1004
1005
1005
1005
1005
1005
1005
1006
1006
1006

Ozone (du)

435
435
434
429
424
419
414
409
405
404
404
404
403
402
401
400
399
398
399
400

Forecast for Shaugh Prior, Devon, United Kingdom (50.45,-4.05)

Generated: 16/12/25 10:49:54. Forecast: 16/12/25 to 22/12/25. Timezone: UTC+0.00