Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Crescent 28%

11:32

22:12

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:16, Set: 16:17, Transit: 12:17. Moon - Rise: 11:32, Set: 22:12. Civil Dark: 16:56 - 07:37. Nautical Dark: 17:38 - 06:55. Astro Dark: 18:17 - 06:15

Total Clouds (% Sky Obscured)

75
78
78
77
93
95
100
99
96
91
95
95
93
78
74
61
47
68
71
93
99
81
83
96

Low Clouds (% Sky Obscured)

62
71
74
77
90
91
100
99
93
91
95
95
93
78
74
61
45
65
71
70
77
76
77
72

Medium Clouds (% Sky Obscured)

4
6
0
2
3
18
20
18
13
0
0
0
0
0
0
0
0
0
0
60
55
45
17
43

High Clouds (% Sky Obscured)

0
0
0
0
0
3
0
2
4
5
2
0
0
0
0
0
0
0
0
35
45
50
4
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
9
5
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
5
7
9
8
13
13
12
8
7
4
0
0
0
0
0
0
0
0
1
1
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)

20
19
17
16
18
19
19
18
17
17
16
16
16
15
13
12
11
12
13
13
13
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
66
68
69
72
73
76
78
81
84
83
85
85
84
84
84
86
88
89
88
85
80
80
79

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1027
1027
1027
1028
1028
1028
1028
1027

Ozone (du)

361
362
362
362
362
363
366
369
369
369
368
367
364
367
369
369
369
370
369
370
370
368
367
366

Friday 26

Waxing Crescent 39%

11:44

23:29

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 Good
10 Good
11 Good
12 OK
13 OK

Sun - Rise: 08:16, Set: 16:18, Transit: 12:17. Moon - Rise: 11:44, Set: 23:29. Civil Dark: 16:56 - 07:37. Nautical Dark: 17:38 - 06:55. Astro Dark: 18:18 - 06:15

Total Clouds (% Sky Obscured)

77
78
76
77
75
74
78
77
75
74
67
55
50
84
100
100
74
71
53
0
3
0
23
24

Low Clouds (% Sky Obscured)

77
78
76
77
74
74
77
76
75
74
65
53
46
43
39
18
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

21
5
0
0
0
0
0
0
0
0
0
0
0
0
0
20
51
10
0
0
3
0
23
24

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
20
20
31
74
100
99
57
60
42
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
3
2
0
32
19
10
2
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 (%)

1
2
3
4
2
1
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)

14
15
15
14
15
15
16
15
15
15
15
14
14
14
14
14
14
14
14
15
18
20
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
86
88
88
89
91
89
89
93
93
93
93
93
93
91
91
89
88
83
76
73
72
73

Pressure (mb)

1027
1027
1028
1028
1029
1029
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1032
1032
1032
1033
1033
1032
1032

Ozone (du)

366
366
365
361
361
364
367
367
363
361
359
354
351
348
345
344
342
341
340
338
337
339
340
340

Saturday 27

First Quarter 50%

11:58

00:48

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

Sun - Rise: 08:16, Set: 16:18, Transit: 12:18. Moon - Rise: 11:58, Set: 00:48. Civil Dark: 16:57 - 07:37. Nautical Dark: 17:39 - 06:55. Astro Dark: 18:19 - 06:16

Total Clouds (% Sky Obscured)

21
51
54
59
80
81
86
89
93
92
95
91
94
96
98
93
69
65
77
72
72
68
68
70

Low Clouds (% Sky Obscured)

21
51
54
59
79
77
82
87
91
92
94
90
94
95
98
92
69
65
76
69
69
63
63
65

Medium Clouds (% Sky Obscured)

4
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
0
0
0
0
0
0
2
2
0
0
3
8
20
7
18
18
12
22
11
2
2

ISS Passover

Visibility (miles)

9
9
9
9
5
1
7
5
9
9
9
6
3
1
6
9
9
6
2
6
7
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
2
2
6
0
0
0
8
1
23
23
23
23
23
23
23
23

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
4
8
7
6
4
3
5
4
4
5
2
2
0
0
2
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
0
1
1
-0
-1
0
0
1
1
1
0
1
0
0
0
1
0
-0
0
1
1
0

Dew Point (°C)

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

Relative Humidity (%)

75
78
85
90
93
93
91
93
93
91
91
91
93
93
93
90
88
91
94
93
89
88
86
85

Pressure (mb)

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

Ozone (du)

341
340
338
337
335
335
334
331
330
327
324
324
324
325
325
326
327
327
326
325
325
326
326
325

Sunday 28

Waxing Gibbous 61%

12:14

02:11

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

Sun - Rise: 08:16, Set: 16:19, Transit: 12:18. Moon - Rise: 12:14, Set: 02:11. Civil Dark: 16:58 - 07:37. Nautical Dark: 17:40 - 06:56. Astro Dark: 18:20 - 06:16

Total Clouds (% Sky Obscured)

69
71
75
78
80
80
80
75
56
40
40
44
55
59
59
54
48
43
43
42
30
24
24
19

Low Clouds (% Sky Obscured)

65
67
69
71
73
73
75
71
56
40
40
44
55
59
59
54
48
43
43
42
30
24
24
19

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
1
2
2
2
2
2
2
2
2
1
1
0
0
0
0
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 (%)

23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23

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

13
12
12
11
10
10
9
9
8
7
7
7
7
7
7
6
6
6
6
5
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
85
85
82
82
82
82
83
85
89
89
93
94
96
94
94
94
94
94
88
82
79
76

Pressure (mb)

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

Ozone (du)

324
324
324
324
323
323
323
324
324
324
324
323
321
319
318
316
314
312
311
311
310
309
308
306

Monday 29

Waxing Gibbous 72%

12:35

03:38

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

Sun - Rise: 08:16, Set: 16:20, Transit: 12:19. Moon - Rise: 12:35, Set: 03:38. Civil Dark: 16:59 - 07:38. Nautical Dark: 17:41 - 06:56. Astro Dark: 18:20 - 06:16

Total Clouds (% Sky Obscured)

16
25
32
50
58
62
69
71
72
80
89
95
100
96
92
88
95
95
94
89
84
72
83
79

Low Clouds (% Sky Obscured)

16
25
32
50
58
62
69
70
71
73
66
61
51
57
62
66
57
46
37
36
39
42
43
43

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
13
23

High Clouds (% Sky Obscured)

0
1
1
2
16
27
40
41
48
48
60
77
90
81
64
46
72
72
67
68
69
70
66
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
3
5
4
2
2
9
9
9
9
9
9
9
9
9
9

Fog (%)

23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
0
0
0
0
0
1
1
1
1
1
1
1
1
1
0
-1
0
-0
-1
-0
0
0
0

Relative Humidity (%)

77
85
91
94
94
94
96
94
94
94
96
94
94
93
91
86
82
83
83
83
80
76
72
73

Pressure (mb)

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

Ozone (du)

305
304
301
298
298
296
293
293
294
294
291
287
283
283
284
284
283
283
283
283
287
291
296
300

Tuesday 30

Waxing Gibbous 82%

13:05

05:09

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:16, Set: 16:21, Transit: 12:19. Moon - Rise: 13:05, Set: 05:09. Civil Dark: 17:00 - 07:38. Nautical Dark: 17:41 - 06:56. Astro Dark: 18:21 - 06:16

Total Clouds (% Sky Obscured)

79
84
92
99
95
90
83
70
60
60
71
73
78
68
57
49
62
83
98
93
90
85
83
81

Low Clouds (% Sky Obscured)

43
49
56
59
57
55
49
47
45
45
44
38
39
42
46
44
43
42
38
27
17
6
5
3

Medium Clouds (% Sky Obscured)

34
31
23
24
39
39
45
60
60
60
71
73
78
57
23
0
0
0
0
5
10
15
31
47

High Clouds (% Sky Obscured)

69
81
92
99
91
82
73
63
55
47
63
73
78
67
39
11
40
68
97
91
84
78
74
72

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 (%)

23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23

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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
76
80
84
91
91
91
91
89
89
87
86
86
84
86
86
86
86
84
84
78
74
69
73

Pressure (mb)

1032
1031
1031
1031
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028

Ozone (du)

305
309
311
313
315
316
316
317
319
321
322
326
330
334
332
331
329
330
330
331
334
338
341
344

Wednesday 31

Waxing Gibbous 91%

13:49

06:37

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
10 Bad
11 Bad

Sun - Rise: 08:16, Set: 16:22, Transit: 12:20. Moon - Rise: 13:49, Set: 06:37. Civil Dark: 17:01 - 07:38. Nautical Dark: 17:42 - 06:56. Astro Dark: 18:22 - 06:16

Total Clouds (% Sky Obscured)

79
86
93
100
100
100
100
100
100
100
84
70
60
72
88
92
93
97
95
96
96
95

Low Clouds (% Sky Obscured)

1
3
3
4
16
33
49
63
78
93
75
65
53
57
60
62
58
51
45
49
54
58

Medium Clouds (% Sky Obscured)

64
63
60
59
64
61
60
60
60
50
45
39
39
45
48
53
49
49
44
42
44
41

High Clouds (% Sky Obscured)

70
80
87
93
90
84
80
81
82
81
59
37
15
15
10
15
25
50
75
75
75
75

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

Fog (%)

23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23

Precipitation Type

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
2
3
5
15
17
10
14
15
13
13
14
13
17
17
15
16
15
12
15
17
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

Wind Speed/Direction (mph)

3
4
3
3
3
4
5
5
5
6
6
7
7
7
9
10
12
12
13
14
16
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
2
2

Relative Humidity (%)

79
83
86
88
89
91
89
89
88
88
85
88
88
88
86
85
85
83
83
83
82
83

Pressure (mb)

1027
1027
1026
1026
1025
1025
1025
1024
1024
1023
1023
1022
1021
1021
1020
1019
1019
1018
1018
1018
1017
1017

Ozone (du)

346
349
350
351
352
348
344
339
336
332
328
330
332
333
340
347
354
361
368
375
374
372

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

Generated: 25/12/25 14:30:52. Forecast: 25/12/25 to 31/12/25. Timezone: UTC+0.00