Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

First Quarter 50%

11:45

00:48

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 Bad
14 OK
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

Sun - Rise: 08:15, Set: 16:19, Transit: 12:17. Moon - Rise: 11:45, Set: 00:48. Civil Dark: 16:58 - 07:37. Nautical Dark: 17:39 - 06:55. Astro Dark: 18:19 - 06:15

Total Clouds (% Sky Obscured)

79
79
73
94
85
80
73
39
11
60
38
55
75
77
81
85
81
82
80
71
72
82
82
81

Low Clouds (% Sky Obscured)

79
72
73
75
68
61
58
39
11
40
38
55
75
77
80
84
81
82
79
70
72
82
81
80

Medium Clouds (% Sky Obscured)

0
0
0
42
74
72
69
6
2
25
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

14
40
73
91
13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

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 (%)

1
2
1
0
0
0
0
1
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
13
5
2
12
1
4
11
4
13
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)

16
17
16
13
14
15
17
19
21
20
20
19
17
18
20
21
21
22
21
21
20
19
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
89
89
88
82
75
72
74
75
78
83
89
91
91
90
86
88
90
90
91
91
88

Pressure (mb)

1031
1031
1031
1031
1031
1031
1032
1032
1031
1031
1031
1031
1031
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031

Ozone (du)

353
353
352
352
350
348
346
349
351
354
357
362
360
357
351
347
344
340
338
337
337
337
338
339

Sunday 28

Waxing Gibbous 61%

11:58

02:11

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:16, Set: 16:20, Transit: 12:18. Moon - Rise: 11:58, Set: 02:11. Civil Dark: 16:58 - 07:37. Nautical Dark: 17:40 - 06:55. Astro Dark: 18:20 - 06:16

Total Clouds (% Sky Obscured)

88
97
100
100
98
100
100
98
96
70
77
87
83
80
79
79
83
85
85
89
87
92
95
91

Low Clouds (% Sky Obscured)

88
97
100
100
96
89
95
90
74
68
68
77
83
79
78
77
81
84
85
88
85
91
94
89

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)

2
0
0
2
55
71
67
64
62
19
28
34
13
7
21
11
60
65
66
30
7
29
5
3

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
7
17
7
5
5
7
13
14
6
5
6
3
3
0
1
1
4
5
16
6
18
6
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)

18
17
18
17
17
16
15
15
15
15
15
14
12
10
10
10
10
10
10
11
10
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
90
94
93
91
90
88
88
87
85
83
85
86
83
85
86
85
85
83
82
80
80

Pressure (mb)

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

Ozone (du)

342
343
344
344
343
342
342
343
344
342
340
338
337
334
329
326
323
320
318
316
315
317
317
316

Monday 29

Waxing Gibbous 72%

12:15

03:38

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:16, Set: 16:21, Transit: 12:18. Moon - Rise: 12:15, Set: 03:38. Civil Dark: 16:59 - 07:37. Nautical Dark: 17:41 - 06:55. Astro Dark: 18:21 - 06:16

Total Clouds (% Sky Obscured)

80
78
72
68
63
71
76
75
74
71
62
73
82
94
100
100
92
78
76
77
78
78
77
76

Low Clouds (% Sky Obscured)

77
73
64
59
61
66
71
74
74
69
61
71
80
70
73
75
78
74
71
73
70
70
70
68

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
49
33
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
10
3
0
0
0
0
0
0
0
0
0
6
41
71
57
43
2
1
0
0
0
1
5

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 (%)

5
6
5
17
6
17
7
13
11
2
0
2
0
0
0
0
2
17
20
9
19
8
18
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)

9
9
9
8
8
8
9
10
11
11
11
12
12
12
11
12
13
14
15
15
15
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
88
93
94
92
88
86
80
80
82
82
80
85
89
91
91
88
88
88
86
88
83
80

Pressure (mb)

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

Ozone (du)

316
315
314
313
312
312
311
310
309
309
309
309
307
303
301
298
297
290
286
283
281
280
280
279

Tuesday 30

Waxing Gibbous 82%

12:36

No Set

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
19 Bad
20 Bad
21 Bad
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK

Sun - Rise: 08:16, Set: 16:22, Transit: 12:19. Moon - Rise: 12:36, Set: No Set. Civil Dark: 17:00 - 07:37. Nautical Dark: 17:42 - 06:56. Astro Dark: 18:22 - 06:16

Total Clouds (% Sky Obscured)

79
80
74
73
72
75
74
78
81
88
93
89
86
85
73
66
49
40
35
35
29
26
34
38

Low Clouds (% Sky Obscured)

69
66
62
56
54
48
39
33
36
42
54
58
63
67
45
29
1
10
21
20
18
14
2
2

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)

9
13
9
10
24
42
36
35
37
38
45
52
49
56
50
45
49
39
31
32
26
21
33
33

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 (%)

23
23
18
7
6
7
13
4
8
7
4
8
7
4
2
2
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)

12
12
12
12
11
11
11
11
11
11
10
9
8
7
6
6
5
5
5
5
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
77
79
79
76
72
75
79
79
80
82
76
77
79
85
86
88
86
84
83
81
80
81

Pressure (mb)

1030
1030
1030
1031
1031
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1033
1033
1033
1033

Ozone (du)

278
279
278
277
278
281
285
287
287
288
291
293
294
294
296
296
296
296
296
297
298
300
300
303

Wednesday 31

Waxing Gibbous 91%

13:06

05:09

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

Sun - Rise: 08:16, Set: 16:23, Transit: 12:19. Moon - Rise: 13:06, Set: 05:09. Civil Dark: 17:01 - 07:37. Nautical Dark: 17:43 - 06:56. Astro Dark: 18:22 - 06:16

Total Clouds (% Sky Obscured)

53
55
21
15
12
26
5
5
7
10
4
4
4
21
76
56
32
50
58
61
68
74
86
90

Low Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
10
19
26
39
58
61
68
73
69
72

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
8
3
3
2
0
2
3
3
5

High Clouds (% Sky Obscured)

45
50
18
13
9
16
1
1
1
2
0
1
0
7
58
31
5
8
11
14
15
15
17
23

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
1
0
1
1
0
5
6
3
14

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
83
84
83
83
83
79
75
68
70
78
86
91
91
91
91
91
89
89
88
89
91
93

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032
1032
1032
1031
1031
1030

Ozone (du)

306
308
308
308
310
312
311
313
313
314
315
320
322
323
321
320
318
317
317
318
318
319
320
320

Thursday 1

Waxing Gibbous 97%

13:50

06:37

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:16, Set: 16:24, Transit: 12:20. Moon - Rise: 13:50, Set: 06:37. Civil Dark: 17:02 - 07:37. Nautical Dark: 17:44 - 06:56. Astro Dark: 18:23 - 06:16

Total Clouds (% Sky Obscured)

93
94
96
98
99
99
99
100
99
98
97
95
93
91
82
73
61
64
68
72
78
85
89
81

Low Clouds (% Sky Obscured)

76
79
73
69
63
68
72
75
66
54
44
32
24
16
26
34
43
39
37
35
52
62
70
63

Medium Clouds (% Sky Obscured)

7
7
11
13
21
36
55
71
84
89
92
90
88
90
74
56
36
30
24
18
20
22
24
24

High Clouds (% Sky Obscured)

27
31
50
70
91
96
98
100
70
40
5
5
5
5
4
2
2
2
1
1
1
1
1
20

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 (%)

16
17
17
15
7
14
17
21
23
27
19
24
20
13
22
23
9
15
14
9
12
13
13
17

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
89
89
89
89
88
85
84
84
85
87
88
90
93
93
91
91
89
88
88
88
89
91

Pressure (mb)

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

Ozone (du)

319
318
317
318
319
319
322
324
327
328
329
329
331
332
333
328
322
316
314
313
311
306
301
296

Friday 2

Waxing Gibbous 100%

14:52

07:53

Sun - Rise: 08:16, Set: 16:25, Transit: 12:20. Moon - Rise: 14:52, Set: 07:53. Civil Dark: 17:03 - 07:37. Nautical Dark: 17:45 - 06:56. Astro Dark: 18:24 - 06:16

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Wembury, Devon, United Kingdom (50.33,-4.09)

Generated: 27/12/25 04:01:08. Forecast: 27/12/25 to 02/01/26. Timezone: UTC+0.00