Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waxing Gibbous 72%

12:13

03:36

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: 16:19, Transit: 12:16. Moon - Rise: 12:13, Set: 03:36. Civil Dark: 16:57 - 07:35. Nautical Dark: 17:39 - 06:54. Astro Dark: 18:19 - 06:14

Total Clouds (% Sky Obscured)

97
91
90
85
85
86
94
99
94
89
95
92
91
98
95
95
97
99
96
96
96
91
75
73

Low Clouds (% Sky Obscured)

83
84
85
85
85
86
94
99
94
89
95
90
86
90
61
81
91
87
92
93
93
87
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
0
0
0

High Clouds (% Sky Obscured)

1
0
0
0
4
4
4
4
7
36
36
61
83
97
95
95
93
97
79
76
73
70
32
37

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
9
9
11
13
12
5
13
7
19
20
18
18
20
16
20
17
7
17
17
9
5
5

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)

15
15
14
14
14
14
13
14
14
15
15
15
15
14
13
12
12
12
14
15
15
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
83
83
83
82
82
82
86
85
79
76
76
76
78
75
72
67
70
80
80
76
72

Pressure (mb)

1027
1027
1027
1026
1026
1026
1027
1027
1027
1028
1028
1028
1029
1029
1029
1029
1030
1030
1030
1030
1030
1031
1032
1032

Ozone (du)

302
299
300
299
299
298
299
297
296
294
292
289
287
279
279
282
281
283
283
282
283
286
286
287

Tuesday 30

Waxing Gibbous 82%

12:34

05:06

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

Sun - Rise: 08:14, Set: 16:20, Transit: 12:17. Moon - Rise: 12:34, Set: 05:06. Civil Dark: 16:58 - 07:35. Nautical Dark: 17:40 - 06:54. Astro Dark: 18:19 - 06:14

Total Clouds (% Sky Obscured)

77
80
66
69
31
25
15
21
33
44
42
18
13
18
18
52
58
37
29
31
26
25
45
46

Low Clouds (% Sky Obscured)

67
65
62
67
24
24
15
15
32
31
21
13
13
16
18
52
58
37
29
31
26
24
45
46

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)

43
27
7
25
31
25
15
21
24
30
42
18
2
3
2
5
3
2
2
3
3
3
4
4

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 (%)

6
3
4
4
2
2
1
2
2
1
1
2
12
5
1
1
1
3
1
2
0
1
2
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)

14
15
15
15
15
14
12
10
9
9
8
7
7
7
6
6
5
5
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
67
64
64
65
62
62
67
73
79
83
83
85
88
89
91
92
92
92
92
92
92
92
89

Pressure (mb)

1033
1033
1033
1033
1033
1033
1033
1033
1033
1034
1034
1034
1034
1034
1034
1033
1033
1033
1033
1033
1033
1032
1033
1032

Ozone (du)

287
290
292
295
298
297
298
300
302
302
302
304
304
305
305
305
306
308
307
307
308
312
312
314

Wednesday 31

Waxing Gibbous 91%

13:04

06:35

10 OK
11 OK
12 Bad
13 OK
14 OK
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
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: 16:21, Transit: 12:17. Moon - Rise: 13:04, Set: 06:35. Civil Dark: 16:59 - 07:35. Nautical Dark: 17:41 - 06:54. Astro Dark: 18:20 - 06:14

Total Clouds (% Sky Obscured)

43
41
49
27
25
14
10
4
4
5
4
57
70
82
100
100
100
100
100
100
86
71
57
46

Low Clouds (% Sky Obscured)

43
41
49
26
16
5
0
0
0
0
0
0
0
0
66
71
78
79
82
70
60
46
30
27

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)

4
3
4
4
5
3
2
2
3
4
3
45
66
81
100
100
100
100
100
100
72
62
44
18

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
12
54
56
100
100
44
44
44
44
44
44
44
44
44
44

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
1
0
0
0
0
0
0
0
0
1
0
0
0
0
1
3
0
5
3
8
8
5
15

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
77
73
69
69
73
79
81
80
78
78
80
78
77
75
74
75
80
84
88
89
85
83
86

Pressure (mb)

1032
1032
1031
1030
1030
1029
1029
1029
1028
1027
1027
1026
1026
1025
1024
1023
1022
1021
1020
1019
1018
1018
1017
1017

Ozone (du)

314
314
312
312
312
313
313
312
313
313
315
318
319
321
321
324
328
330
328
330
333
335
333
328

Thursday 1

Waxing Gibbous 97%

13:48

07:51

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

Sun - Rise: 08:14, Set: 16:22, Transit: 12:18. Moon - Rise: 13:48, Set: 07:51. Civil Dark: 17:00 - 07:35. Nautical Dark: 17:42 - 06:54. Astro Dark: 18:21 - 06:14

Total Clouds (% Sky Obscured)

40
40
37
44
49
52
54
47
36
26
52
42
7
1
5
8
12
38
63
85
84
82
80
74

Low Clouds (% Sky Obscured)

23
25
26
26
25
23
25
26
24
21
32
26
6
1
4
8
11
20
29
34
48
57
62
48

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

7
0
0
0
0
1
0
0
0
1
0
0
0
0
0
0
1
18
35
53
43
36
25
37

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 (%)

44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44

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
13
5
12
2
11
13
9
14
18
15
6
5
1
1
1
0
2
1
0
1
1
0
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)

7
8
8
9
9
10
9
8
7
6
5
4
4
4
4
4
4
4
3
3
3
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
79
79
72
75
79
85
86
89
91
88
85
86
83
76
73
73
72
72
72
72
72
73
77

Pressure (mb)

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

Ozone (du)

319
319
325
325
319
314
307
305
302
302
301
304
307
309
307
304
303
305
304
304
303
302
299
297

Friday 2

Waxing Gibbous 100%

14:50

08:49

10 Bad
11 Bad
12 Bad
13 OK
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: 08:13, Set: 16:23, Transit: 12:18. Moon - Rise: 14:50, Set: 08:49. Civil Dark: 17:01 - 07:35. Nautical Dark: 17:43 - 06:54. Astro Dark: 18:22 - 06:14

Total Clouds (% Sky Obscured)

69
64
71
46
86
90
95
99
99
70
76
77
90
99
99
100
100
100
100
100
100
99
99
100

Low Clouds (% Sky Obscured)

31
17
13
6
7
5
2
1
1
1
0
2
4
4
3
1
0
0
0
0
26
49
67
63

Medium Clouds (% Sky Obscured)

1
0
9
21
34
34
40
43
53
59
66
67
67
57
60
66
72
76
87
99
98
96
95
95

High Clouds (% Sky Obscured)

55
34
46
25
65
73
82
94
85
64
58
62
72
80
63
51
39
65
82
100
86
71
59
71

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 (%)

44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44

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
2
0
2
0
0
0
0
0
0
1
2
4
2
12
15
14
24
22
10
17
16
12
21

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
73
70
67
70
78
82
86
88
86
84
84
84
83
83
88
91
94
89
86
83
78
74
71

Pressure (mb)

1008
1008
1008
1007
1006
1005
1005
1005
1004
1004
1004
1003
1003
1002
1002
1002
1001
1001
1000
1000
999
999
999
999

Ozone (du)

297
297
293
289
286
284
284
285
287
291
297
309
316
324
322
319
316
313
320
327
335
344
354
364

Saturday 3

Full Moon 99%

16:10

09:28

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: 08:13, Set: 16:24, Transit: 12:19. Moon - Rise: 16:10, Set: 09:28. Civil Dark: 17:02 - 07:35. Nautical Dark: 17:43 - 06:54. Astro Dark: 18:23 - 06:14

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
67

Low Clouds (% Sky Obscured)

63
63
71
72
76
79
81
84
77
68
59
51
43
36
26
17
8
5
3
0
0
0
0
0

Medium Clouds (% Sky Obscured)

94
94
93
92
93
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
67

High Clouds (% Sky Obscured)

86
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
95
96
65

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 (%)

44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44

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 (%)

25
25
25
23
15
19
18
11
15
14
7
12
12
7
11
11
6
7
6
3
4
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
64
62
64
64
66
65
66
66
69
71
73
73
73
73
73
73
71
69
66
62
65
67
70

Pressure (mb)

999
999
999
999
999
998
998
998
998
998
999
999
999
999
998
998
998
998
998
998
998
999
999
999

Ozone (du)

367
370
373
371
368
365
369
374
378
379
381
382
382
382
382
382
383
383
384
386
387
388
390
391

Sunday 4

Waning Gibbous 96%

17:38

09:55

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

Sun - Rise: 08:13, Set: 16:25, Transit: 12:19. Moon - Rise: 17:38, Set: 09:55. Civil Dark: 17:03 - 07:35. Nautical Dark: 17:44 - 06:53. Astro Dark: 18:24 - 06:14

Total Clouds (% Sky Obscured)

33
0
0
0
0
1
7
17
20
22
21
20
17
16
12
8
5
4
2
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
4
10
6
5
4
4
4
5
3
2
1
1
0
0

Medium Clouds (% Sky Obscured)

33
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

32
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
8
6
4
6
8
9
9
9
9
9
9
9
9
9

Fog (%)

44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44

Precipitation Type

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

Precipitation Probability (%)

1
0
0
0
0
17
22
21
24
23
14
12
8
3
3
2
0
3
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-6
-2
-3
-3
-3
-3
-3
-5
-6
-5
-5
-6
-6
-6
-5
-5
-5
-5

Dew Point (°C)

-6
-6
-6
-6
-6
-6
-6
-6
-6
-7
-7
-7
-7
-7
-7
-7
-8
-8
-8
-8

Relative Humidity (%)

65
60
56
57
58
58
60
64
65
65
64
64
66
66
67
64
62
61
61
63

Pressure (mb)

1000
1000
1000
1000
1000
1000
1001
1002
1003
1003
1004
1005
1006
1006
1007
1008
1008
1009
1010
1010

Ozone (du)

393
394
396
391
386
381
380
378
376
376
376
376
375
374
373
370
368
365
366
366

Forecast for Dartmouth, Devon, United Kingdom (50.35,-3.58)

Generated: 29/12/25 09:47:31. Forecast: 29/12/25 to 04/01/26. Timezone: UTC+0.00