Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Crescent 39%

11:30

22:10

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
18 Bad

Sun - Rise: 08:14, Set: 16:16, Transit: 12:15. Moon - Rise: 11:30, Set: 22:10. Civil Dark: 16:55 - 07:35. Nautical Dark: 17:37 - 06:53. Astro Dark: 18:17 - 06:14

Total Clouds (% Sky Obscured)

71
77
82
100
100
100
100
100
91
83
64
74
83
94
98
100
94
90
83
94
100
98
96
92

Low Clouds (% Sky Obscured)

71
77
82
100
100
100
100
100
90
83
64
67
78
91
97
96
86
90
83
94
100
98
94
89

Medium Clouds (% Sky Obscured)

16
5
0
0
0
0
0
0
0
0
0
0
0
0
55
62
40
28
2
2
2
0
0
0

High Clouds (% Sky Obscured)

0
0
2
4
4
0
0
0
0
0
0
0
0
0
25
70
65
3
1
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
2
1
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
16
16
13
11
7
3
0
0
0
0
0
0
0
0
1
1
3
1
2
2
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
76
79
83
83
83
85
85
85
83
84
88
88
88
88
83
82
80
80
80
80
79
80
85

Pressure (mb)

1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1028
1028
1028
1028
1027
1027
1028
1028
1028
1029

Ozone (du)

362
366
370
370
369
369
367
366
369
369
369
368
369
368
370
370
366
365
366
365
365
364
361
361

Friday 26

Waxing Crescent 50%

11:43

23:27

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

Sun - Rise: 08:14, Set: 16:17, Transit: 12:16. Moon - Rise: 11:43, Set: 23:27. Civil Dark: 16:56 - 07:36. Nautical Dark: 17:38 - 06:54. Astro Dark: 18:17 - 06:14

Total Clouds (% Sky Obscured)

98
92
90
89
99
91
91
89
97
100
92
76
70
48
2
0
23
17
18
23
32
35
70
97

Low Clouds (% Sky Obscured)

97
90
88
89
99
91
90
87
87
83
77
72
69
48
2
0
23
17
18
23
32
35
70
92

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
38
0
0
0
0
0
9
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
2
40
40
47
93
100
74
48
55
19
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
7
8
4
4
4
4
1
1
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6

Fog (%)

0
0
0
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
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
91
88
89
91
91
93
93
94
94
94
94
94
93
89
82
76
75
74
75
79
83
90
93

Pressure (mb)

1029
1030
1030
1031
1031
1031
1031
1031
1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1032
1032
1032
1032
1032
1032

Ozone (du)

364
368
364
362
360
356
352
349
347
344
342
341
340
338
335
335
336
338
338
339
337
336
336
334

Saturday 27

First Quarter 61%

11:57

00:47

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
18 Bad

Sun - Rise: 08:15, Set: 16:18, Transit: 12:16. Moon - Rise: 11:57, Set: 00:47. Civil Dark: 16:56 - 07:36. Nautical Dark: 17:38 - 06:54. Astro Dark: 18:18 - 06:14

Total Clouds (% Sky Obscured)

98
100
99
100
100
100
99
100
100
100
96
89
85
93
89
91
74
74
73
68
72
75
84
85

Low Clouds (% Sky Obscured)

96
99
99
100
100
100
99
100
100
100
96
89
84
90
84
89
68
66
63
61
65
74
77
79

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)

0
0
0
1
2
1
0
0
3
8
13
11
7
25
17
32
3
2
2
1
1
2
2
2

ISS Passover

Visibility (miles)

4
9
9
9
9
9
9
6
5
9
9
9
9
4
1
4
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
2
2
2
2
2
2
2

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
20
12
11
7
7
6
9
6
6
3
2
0
2
2
1
3
1
1
2
1
1
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)

19
19
18
18
17
16
16
15
14
13
14
15
14
13
13
13
14
14
14
14
13
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
93
90
90
90
91
93
96
93
86
83
93
96
94
94
91
88
86
85
85
85
83
82

Pressure (mb)

1032
1033
1033
1033
1033
1033
1033
1033
1033
1033
1032
1032
1033
1033
1033
1033
1033
1032
1032
1031
1031
1031
1031
1031

Ozone (du)

335
334
332
329
326
324
324
324
323
324
325
326
325
324
324
324
325
325
324
324
323
323
323
323

Sunday 28

Waxing Gibbous 61%

12:13

02:09

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 OK
14 OK
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:15, Set: 16:19, Transit: 12:17. Moon - Rise: 12:13, Set: 02:09. Civil Dark: 16:57 - 07:36. Nautical Dark: 17:39 - 06:54. Astro Dark: 18:19 - 06:14

Total Clouds (% Sky Obscured)

88
89
92
95
93
73
66
69
78
83
89
88
83
78
72
57
51
48
42
43
51
59
61
73

Low Clouds (% Sky Obscured)

81
82
87
91
93
73
66
69
78
83
89
88
83
78
72
57
51
48
42
43
51
59
61
72

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
2
2
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

1
1
0
0
0
0
0
0
1
1
1
4
6
7
6
5
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1

Relative Humidity (%)

80
80
80
77
79
85
91
94
96
98
98
96
98
98
96
89
86
83
82
82
86
93
94
94

Pressure (mb)

1031
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1029
1029
1029
1029
1030
1030

Ozone (du)

322
322
323
324
324
325
323
322
320
319
317
315
312
311
311
310
309
308
306
305
304
301
299
297

Monday 29

Waxing Gibbous 72%

12:34

03:37

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
18 Bad

Sun - Rise: 08:15, Set: 16:20, Transit: 12:17. Moon - Rise: 12:34, Set: 03:37. Civil Dark: 16:58 - 07:36. Nautical Dark: 17:40 - 06:54. Astro Dark: 18:20 - 06:15

Total Clouds (% Sky Obscured)

73
74
80
80
84
89
93
95
93
92
92
97
97
97
97
96
96
97
98
97
97
99
100
92

Low Clouds (% Sky Obscured)

73
74
79
80
82
73
61
50
60
73
85
67
65
63
58
56
51
45
44
41
44
44
45
42

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
7
9
12
16

High Clouds (% Sky Obscured)

23
32
39
44
46
54
65
78
65
53
38
67
68
68
69
73
70
68
62
63
78
93
100
87

ISS Passover

Visibility (miles)

9
9
9
9
7
4
1
3
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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
1
3
5
5
5
3
6
6
3
7
7
3
5
5
2
6
5
3
6
5
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
96
98
98
96
94
96
91
83
82
80
76
75
72
70
67
70
72
72
79
85
93

Pressure (mb)

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

Ozone (du)

296
292
293
294
295
292
288
283
283
285
284
284
283
283
282
287
291
295
300
304
308
310
313
315

Tuesday 30

Waxing Gibbous 82%

13:04

05:07

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

Sun - Rise: 08:15, Set: 16:21, Transit: 12:18. Moon - Rise: 13:04, Set: 05:07. Civil Dark: 16:59 - 07:36. Nautical Dark: 17:41 - 06:54. Astro Dark: 18:21 - 06:15

Total Clouds (% Sky Obscured)

81
71
65
56
52
55
53
47
47
38
31
50
73
95
92
87
82
86
86
90
93
97
99
91

Low Clouds (% Sky Obscured)

37
31
29
26
25
27
29
37
31
29
23
23
22
20
15
9
4
3
3
2
7
10
13
27

Medium Clouds (% Sky Obscured)

19
26
33
45
50
55
53
47
47
24
0
0
0
0
6
13
21
37
53
69
58
45
33
33

High Clouds (% Sky Obscured)

74
60
49
38
27
46
53
47
47
37
17
44
70
95
92
87
79
81
83
85
90
93
96
88

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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
3
4
4
2
3
3
1
2
1
0
0
0
0
0
0
0
0
0
0
1
2
2
13

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
89
88
89
86
86
86
86
88
88
88
86
86
79
73
67
71
73
78
82
83
88

Pressure (mb)

1032
1032
1032
1032
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028
1027
1027
1026
1026
1025

Ozone (du)

316
317
318
319
321
323
326
330
334
332
331
329
330
331
332
335
339
342
344
347
350
351
352
353

Wednesday 31

Waxing Gibbous 91%

13:47

06:36

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: 08:15, Set: 16:22, Transit: 12:18. Moon - Rise: 13:47, Set: 06:36. Civil Dark: 17:00 - 07:36. Nautical Dark: 17:42 - 06:54. Astro Dark: 18:21 - 06:15

Total Clouds (% Sky Obscured)

83
76
83
91
96
84
71
72
76
82
85
86
91
92
92
93
97

Low Clouds (% Sky Obscured)

43
61
55
50
44
32
41
37
39
40
40
34
22
8
14
19
27

Medium Clouds (% Sky Obscured)

43
50
52
50
47
48
49
52
53
52
41
44
46
39
37
36
35

High Clouds (% Sky Obscured)

82
76
68
64
58
42
25
11
11
5
5
30
60
70
70
70
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

14
10
16
16
14
13
12
5
11
12
6
11
11
6
10
11
9

Precipitation Amount (mm)

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
5
5
5
5
7
9
11
12
12
13
15
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
3
3

Relative Humidity (%)

88
89
91
91
89
89
91
89
91
88
85
80
80
80
79
80
81

Pressure (mb)

1025
1024
1024
1023
1023
1022
1022
1021
1021
1020
1019
1018
1018
1018
1017
1017
1016

Ozone (du)

349
344
340
336
333
329
331
333
335
343
351
359
365
371
377
376
374

Forecast for Totnes, Devon, United Kingdom (50.43,-3.69)

Generated: 25/12/25 19:10:25. Forecast: 25/12/25 to 31/12/25. Timezone: UTC+0.00