Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

New Moon 0%

09:57

16:02

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: 08:18, Set: 16:14, Transit: 12:16. Moon - Rise: 09:57, Set: 16:02. Civil Dark: 16:53 - 07:38. Nautical Dark: 17:36 - 06:56. Astro Dark: 18:16 - 06:16

Total Clouds (% Sky Obscured)

59
55
71
86
100
96
100
100
100
100
100
100
96
91
61
61
98
57
95
93
74
90
82
82

Low Clouds (% Sky Obscured)

45
50
54
66
58
86
100
100
100
60
53
48
30
44
50
60
55
50
52
55
42
44
38
35

Medium Clouds (% Sky Obscured)

0
24
71
86
100
89
83
88
96
93
100
100
68
82
42
33
45
45
92
59
60
65
72
79

High Clouds (% Sky Obscured)

2
55
71
86
100
91
5
4
0
32
98
99
96
91
61
61
98
57
72
90
74
89
81
78

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
2
3
8
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
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
7
3
8
47
95
95
95
95
95
47
19
10
5
3
2
4
3
5
6
5
6
8
12

Precipitation Amount (mm)

0
0
0
0
0
0.7
2.1
2.8
1.6
1.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
19
21
22
22
22
22
21
20
20
17
11
9
9
7
6
5
6
5
6
6
6
6
7

Chance of Frost

Temperature (°C)

9
10
10
9
9
8
8
8
9
9
9
8
8
8
7
7
6
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
5
6
7
8
8
7
6
6
6
5
4
4
4
4
3
4
4
4
4

Relative Humidity (%)

80
78
78
81
81
79
84
90
93
90
87
87
88
87
85
85
86
83
83
83
86
88
90
90

Pressure (mb)

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

Ozone (du)

298
300
302
305
307
312
319
328
326
324
324
325
312
317
325
334
340
349
354
361
371
381
389
395

Sunday 21

Waxing Crescent 2%

09:57

17:08

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: 08:18, Set: 16:14, Transit: 12:16. Moon - Rise: 09:57, Set: 17:08. Civil Dark: 16:54 - 07:39. Nautical Dark: 17:36 - 06:56. Astro Dark: 18:16 - 06:16

Total Clouds (% Sky Obscured)

72
99
100
99
93
100
100
100
92
90
81
95
100
96
90
100
97
98
98
92
86
72
76
71

Low Clouds (% Sky Obscured)

48
41
53
85
82
68
76
95
79
81
72
77
74
76
86
80
70
70
63
53
49
52
55
49

Medium Clouds (% Sky Obscured)

72
96
100
99
88
92
100
100
89
89
78
89
99
96
86
100
63
92
93
52
52
29
50
58

High Clouds (% Sky Obscured)

72
95
95
45
62
100
100
100
54
65
71
87
100
48
18
80
4
42
54
45
34
4
9
53

ISS Passover

Visibility (miles)

9
8
3
7
5
6
8
9
9
9
9
7
9
7
1
0
0
8
9
6
8
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
49
84
85

Precipitation Type

None
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain
None
None
None
Very Light Rain
None
None
None
None

Precipitation Probability (%)

33
70
77
84
65
45
41
47
51
44
41
48
50
90
93
75
60
42
41
49
26
8
1
1

Precipitation Amount (mm)

0
0.4
0.4
0.6
0.2
0
0
0
0
0
0
0
0
0.5
0.5
0.3
0
0
0
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
8
8
9
9
9
8
8
8
8
8
8
8
8
8
8
8
9
9
9
9
8
8
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
96
95
96
96
96
96
95
96
96
96
96
96
96
98
98
95
93
96
96
93
93
94

Pressure (mb)

1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1004

Ozone (du)

395
394
393
393
391
390
388
385
387
388
390
392
391
390
388
389
391
395
397
397
397
396
395
394

Monday 22

Waxing Crescent 6%

10:27

18:22

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: 08:19, Set: 16:15, Transit: 12:17. Moon - Rise: 10:27, Set: 18:22. Civil Dark: 16:54 - 07:39. Nautical Dark: 17:37 - 06:57. Astro Dark: 18:17 - 06:17

Total Clouds (% Sky Obscured)

68
77
96
100
96
91
97
83
82
96
90
78
73
73
82
58
88
79
78
69
56
71
64
60

Low Clouds (% Sky Obscured)

60
62
89
83
64
79
75
59
82
95
88
64
36
39
40
49
49
43
48
54
56
61
64
60

Medium Clouds (% Sky Obscured)

30
33
58
57
55
50
58
27
19
17
0
0
0
0
0
4
0
1
2
6
5
33
3
1

High Clouds (% Sky Obscured)

14
39
46
37
41
16
35
34
2
20
0
35
44
34
65
4
72
44
51
38
9
36
23
8

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
14
0
0
0
0
0
0
22
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100

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
3
3
5
3
5
7
5
4
5
3
1
0
0
0
0
1
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)

4
4
5
5
4
4
5
4
5
5
6
5
5
5
4
4
4
4
4
4
4
5
5
4

Chance of Frost

Temperature (°C)

8
9
10
10
11
10
10
9
9
9
9
9
9
8
8
8
7
7
7
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
90
87
84
85
91
93
93
91
93
95
95
95
95
94
93
94
93
93
93
93
94
94

Pressure (mb)

1004
1005
1004
1005
1005
1005
1006
1006
1007
1008
1009
1010
1010
1010
1011
1011
1012
1012
1013
1013
1014
1015
1016
1016

Ozone (du)

394
392
389
386
385
384
382
375
372
367
362
359
355
350
347
344
344
344
347
348
347
343
341
336

Tuesday 23

Waxing Crescent 12%

10:50

19:39

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: 08:19, Set: 16:16, Transit: 12:17. Moon - Rise: 10:50, Set: 19:39. Civil Dark: 16:55 - 07:40. Nautical Dark: 17:37 - 06:57. Astro Dark: 18:17 - 06:17

Total Clouds (% Sky Obscured)

66
58
65
75
66
70
44
71
89
96
81
96
97
98
96
94
93
93
93
93
91
87
86
84

Low Clouds (% Sky Obscured)

66
58
65
75
66
70
44
71
84
85
80
88
92
96
92
87
84
85
85
82
71
61
50
61

Medium Clouds (% Sky Obscured)

2
3
2
5
13
40
28
38
29
18
6
32
4
3
34
60
63
65
6
65
62
64
50
29

High Clouds (% Sky Obscured)

20
7
4
11
4
3
2
0
0
0
0
0
0
0
0
0
0
0
2
45
45
40
30
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
8
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
2
11
4
4
6
16
22
20
11
11
5
4
10
3

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
6
8
8
8
8
9
11
12
13
12
12
12
14
14
14
14
14
15
15
14
15
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
7
7
6
6
4
4
4
2
3
4
3
2
3
3
3
2
1
1
0
0
0
0

Dew Point (°C)

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

Relative Humidity (%)

93
90
88
90
90
90
91
93
93
90
91
93
93
91
93
93
94
94
88
88
90
88
86
86

Pressure (mb)

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

Ozone (du)

334
338
344
345
343
345
347
346
347
348
350
349
350
347
344
341
338
336
333
332
332
332
332
333

Wednesday 24

Waxing Crescent 19%

11:07

20:56

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

Sun - Rise: 08:19, Set: 16:16, Transit: 12:18. Moon - Rise: 11:07, Set: 20:56. Civil Dark: 16:55 - 07:40. Nautical Dark: 17:38 - 06:58. Astro Dark: 18:18 - 06:17

Total Clouds (% Sky Obscured)

88
87
76
43
22
24
10
45
45
21
51
38
14
14
18
19
19
12
12
12
12
12
12
10

Low Clouds (% Sky Obscured)

69
77
63
37
13
16
6
4
8
16
23
20
14
11
18
19
19
12
12
12
12
12
12
10

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
4
4
10
12
12
12
10

High Clouds (% Sky Obscured)

8
5
2
1
1
1
1
15
12
2
7
5
1
3
2
2
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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
3
1
0
0
0
0
0
0
0
0
0
0
0
3
3
2
11
13
12
33
42
46
45

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
80
79
79
80
82
83
83
82
79
78
80
78
77
77
77
75
77
75
77
75
75
74

Pressure (mb)

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

Ozone (du)

334
333
332
331
329
329
327
328
327
327
328
329
327
329
333
335
337
339
340
340
341
343
344
346

Thursday 25

Waxing Crescent 28%

11:21

22:13

10 Bad
11 OK
12 OK
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: 08:20, Set: 16:17, Transit: 12:18. Moon - Rise: 11:21, Set: 22:13. Civil Dark: 16:56 - 07:40. Nautical Dark: 17:39 - 06:58. Astro Dark: 18:19 - 06:18

Total Clouds (% Sky Obscured)

8
6
17
19
33
35
41
59
87
91
95
94
94
93
92
91
90
92
95
97
98
98
98
94

Low Clouds (% Sky Obscured)

8
6
17
19
33
35
41
55
54
56
59
61
60
58
58
58
58
60
62
63
69
75
80
76

Medium Clouds (% Sky Obscured)

8
6
17
19
33
23
22
23
32
43
60
71
74
77
69
61
50
47
46
32
28
28
29
24

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
1
3
4
6
7
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

43
39
30
25
18
19
18
15
20
20
15
33
40
45
43
41
38
34
28
16
18
15
6
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.2
0.1
0.1
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
72
69
71
72
73
74
76
78
79
79
80
83
89
96
94
91
89
91
91
91
91
89
88

Pressure (mb)

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

Ozone (du)

347
348
350
350
351
351
357
362
367
370
372
375
373
370
368
363
359
355
354
353
352
352
352
352

Friday 26

Waxing Crescent 39%

11:34

23:31

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

Sun - Rise: 08:20, Set: 16:18, Transit: 12:19. Moon - Rise: 11:34, Set: 23:31. Civil Dark: 16:57 - 07:40. Nautical Dark: 17:39 - 06:58. Astro Dark: 18:19 - 06:18

Total Clouds (% Sky Obscured)

89
84
80
76
71
63
56
48
46
46
50
64
73
82
85
88
93
88
80
72

Low Clouds (% Sky Obscured)

72
59
55
56
59
58
56
48
46
46
50
64
73
77
74
78
84
85
80
72

Medium Clouds (% Sky Obscured)

22
19
18
15
14
9
5
1
1
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
3
2
1
0
1
1
2
1
1
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

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

10
5
8
8
5
11
11
9
15
15
9
13
12
6
9
9
5
8
7
4

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
81
79
80
80
82
82
85
85
86
86
86
85
83
82
82
82
80
83
86

Pressure (mb)

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

Ozone (du)

351
350
349
349
350
350
352
353
355
357
358
359
360
360
361
363
365
367
368
368

Forecast for Bude, Cornwall, United Kingdom (50.83,-4.54)

Generated: 20/12/25 10:25:35. Forecast: 20/12/25 to 26/12/25. Timezone: UTC+0.00