Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Crescent 39%

11:36

22:17

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
19 Bad
20 Bad
21 Bad

Sun - Rise: 08:19, Set: 16:24, Transit: 12:21. Moon - Rise: 11:36, Set: 22:17. Civil Dark: 17:02 - 07:40. Nautical Dark: 17:44 - 06:59. Astro Dark: 18:23 - 06:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
95
77
72
84
99
96
100
100
100
100
98
96
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
95
76
70
83
98
93
100
100
100
100
97
96
100
100
100

Medium Clouds (% Sky Obscured)

8
2
1
9
0
0
0
0
0
0
0
0
0
30
50
57
45
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
16
7
6
0
0
0
0
0
0
0
0
0
19
60
60
49
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 (%)

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
23
15
9
5
13
0
3
8
2
0
0
0
4
6
12
19
18
17
14
11
6

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
16
15
14
15
14
14
15
14
13
12
11
12
12
14
12
13
12
11
11
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
82
83
82
83
83
85
86
86
85
83
80
80
79
76
78
78
77
80
82
83
83
86

Pressure (mb)

1023
1023
1023
1023
1023
1024
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1028
1028

Ozone (du)

360
359
359
359
358
358
358
361
364
367
369
373
374
376
377
379
378
378
375
370
369
367
365
363

Friday 26

Waxing Crescent 50%

11:49

23:34

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
19 Bad
20 Bad
21 Bad

Sun - Rise: 08:19, Set: 16:24, Transit: 12:22. Moon - Rise: 11:49, Set: 23:34. Civil Dark: 17:03 - 07:40. Nautical Dark: 17:44 - 06:59. Astro Dark: 18:24 - 06:19

Total Clouds (% Sky Obscured)

100
93
92
95
92
95
90
94
95
100
100
100
100
100
100
88
94
93
81
93
91
100
94
78

Low Clouds (% Sky Obscured)

100
93
92
95
92
95
88
90
84
78
77
75
62
68
62
67
89
89
81
93
91
99
94
78

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
100
100
87
82
70
56
70
52
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
3
3
49
85
92
100
100
100
100
78
50
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 (%)

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
3
0
0
0
0
1
0
0
0
0
0
0
2
0
0
0
0
0
0
1
14
11
11

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
13
12
12
11
11
11
10
9
9
9
10
12
13
15
15
15
14
14
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
88
88
86
86
85
88
89
88
86
82
76
71
70
71
74
78
81
85
80
80
82

Pressure (mb)

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

Ozone (du)

363
365
367
365
364
363
358
357
358
358
358
357
357
359
360
364
365
364
360
354
351
352
354
351

Saturday 27

First Quarter 61%

12:03

00:52

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
19 Bad
20 Bad
21 Bad

Sun - Rise: 08:19, Set: 16:25, Transit: 12:22. Moon - Rise: 12:03, Set: 00:52. Civil Dark: 17:04 - 07:41. Nautical Dark: 17:45 - 06:59. Astro Dark: 18:25 - 06:20

Total Clouds (% Sky Obscured)

63
65
57
49
68
75
70
82
85
92
100
99
87
100
100
96
95
87
79
80
64
65
62
60

Low Clouds (% Sky Obscured)

63
65
57
49
68
72
68
81
84
92
100
99
87
100
100
96
95
87
78
79
64
65
62
60

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
0
0
0
3
3
3
0
0
3
0
5
6
4
5
4
3
3
3
2
3
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 (%)

1
1
1
3
3
11
15
23
18
7
17
18
14
17
18
8
12
5
5
2
4
7
7
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)

17
18
18
18
17
16
16
15
15
13
13
12
12
11
12
11
11
10
9
8
8
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
85
88
88
90
88
87
87
88
88
85
84
87
84
82
81
79
82
86
88
90
91
89

Pressure (mb)

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

Ozone (du)

347
344
342
342
343
346
346
346
345
341
339
337
335
335
334
334
332
331
331
330
331
330
330
329

Sunday 28

Waxing Gibbous 72%

12:20

02:15

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
19 Bad
20 Bad
21 Bad

Sun - Rise: 08:19, Set: 16:26, Transit: 12:23. Moon - Rise: 12:20, Set: 02:15. Civil Dark: 17:04 - 07:41. Nautical Dark: 17:46 - 06:59. Astro Dark: 18:25 - 06:20

Total Clouds (% Sky Obscured)

58
58
58
56
51
62
50
51
56
64
69
74
75
76
73
75
76
77
73
65
61
51
65
65

Low Clouds (% Sky Obscured)

58
58
58
56
51
62
50
51
56
63
69
70
71
72
72
68
68
70
71
65
61
51
65
65

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)

3
3
2
0
0
0
0
0
0
0
0
0
0
0
10
16
24
19
19
19
14
12
10
12

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
7
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 (%)

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

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
6
6
6
5
5
5
5
5
5
5
6
6
7
6
6
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
88
89
89
89
91
91
93
89
89
86
82
73
69
67
67
72
76
80
83
85
89
91

Pressure (mb)

1029
1029
1028
1028
1028
1028
1028
1027
1027
1027
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028

Ozone (du)

328
327
327
325
324
323
322
321
321
321
319
317
317
316
316
314
309
307
303
300
301
300
297
295

Monday 29

Waxing Gibbous 82%

12:41

03:42

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
19 Bad
20 Bad
21 Bad

Sun - Rise: 08:19, Set: 16:27, Transit: 12:23. Moon - Rise: 12:41, Set: 03:42. Civil Dark: 17:05 - 07:41. Nautical Dark: 17:47 - 06:59. Astro Dark: 18:26 - 06:20

Total Clouds (% Sky Obscured)

59
63
78
90
90
85
78
66
57
48
38
48
58
67
75
83
92
78
63
48
46
64
59
55

Low Clouds (% Sky Obscured)

59
63
78
82
76
67
57
45
43
35
30
40
51
61
66
71
76
62
49
35
27
20
20
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)

14
13
22
32
40
39
36
30
21
12
3
4
5
6
20
35
47
29
18
4
2
2
1
1

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
5
5
6
12
15
17
20
20
18
17
16
11
16
20
17
13
15
14
12
13
12
11
9

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
9
9
10
11
11
11
11
10
9
9
9
9
10
11
11
12
12
10
9
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
86
83
80
82
83
82
80
82
82
79
75
73
72
75
76
78
78
78
80
80
82
82
85

Pressure (mb)

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

Ozone (du)

292
290
288
286
285
283
280
283
283
282
281
282
283
285
289
292
295
299
299
300
301
304
307
310

Tuesday 30

Waxing Gibbous 91%

13:12

05:12

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

Sun - Rise: 08:19, Set: 16:28, Transit: 12:24. Moon - Rise: 13:12, Set: 05:12. Civil Dark: 17:06 - 07:41. Nautical Dark: 17:48 - 06:59. Astro Dark: 18:27 - 06:20

Total Clouds (% Sky Obscured)

45
32
26
23
16
28
35
31
7
4
5
5
0
0
0
0
5
13
20
28
37
44
54
57

Low Clouds (% Sky Obscured)

16
13
12
7
1
1
1
1
4
4
5
5
0
0
0
0
0
8
16
24
27
29
31
38

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
13
20
28
37
32
11
11

High Clouds (% Sky Obscured)

1
1
2
3
4
9
13
24
7
4
5
5
0
0
0
0
5
13
20
28
17
6
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
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
1
3
3
1
2
3
2
5
6
2
6
7
4
8
9
5
12
15
14
18
17
12
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
81
83
83
81
80
79
77
76
73
72
72
71
70
72
74
75
76
75
75
75
76
78

Pressure (mb)

1033
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1030
1030
1029
1029
1028
1027
1027
1027
1027
1026
1026
1026

Ozone (du)

314
317
321
320
320
320
321
323
324
325
326
327
328
329
331
333
334
336
337
338
339
337
335
333

Wednesday 31

Waxing Gibbous 88%

13:56

06:40

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

Sun - Rise: 08:19, Set: 16:29, Transit: 12:24. Moon - Rise: 13:56, Set: 06:40. Civil Dark: 17:07 - 07:41. Nautical Dark: 17:49 - 06:59. Astro Dark: 18:28 - 06:20

Total Clouds (% Sky Obscured)

60
63
68
73
78
87
96
100
100
100
100
98
97
96
97
98
100
100
100
100

Low Clouds (% Sky Obscured)

44
52
58
63
72
80
86
92
93
94
94
92
88
85
89
94
100
84
68
52

Medium Clouds (% Sky Obscured)

9
8
12
15
20
28
32
34
26
14
1
1
0
0
13
20
15
15
15
20

High Clouds (% Sky Obscured)

0
0
0
0
0
2
5
7
10
16
23
22
21
20
13
11
6
24
35
40

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

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

Precipitation Probability (%)

13
14
17
19
19
22
24
25
25
24
23
22
20
16
19
20
19
21
22
20

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)

10
11
12
13
13
12
13
14
14
14
14
14
14
15
16
16
16
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
2
2
2
3
3
3
3
2
3
3
3
2
2
2
2
2

Relative Humidity (%)

76
74
72
70
69
66
69
70
73
71
71
71
73
71
71
70
70
69
71
71

Pressure (mb)

1026
1025
1025
1024
1024
1023
1023
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1019
1019

Ozone (du)

336
339
343
342
341
340
337
334
331
329
326
324
323
323
322
323
324
325
325
324

Forecast for Constantine, Cornwall, United Kingdom (50.12,-5.17)

Generated: 25/12/25 22:19:05. Forecast: 25/12/25 to 31/12/25. Timezone: UTC+0.00