Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 82%

12:42

05:08

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

Sun - Rise: 08:14, Set: 16:01, Transit: 12:08. Moon - Rise: 12:42, Set: 05:08. Civil Dark: 16:41 - 07:34. Nautical Dark: 17:25 - 06:50. Astro Dark: 18:07 - 06:08

Total Clouds (% Sky Obscured)

84
63
62
73
62
32
8
5
10
23
38
23
8
2
2
2
1
1
1
1
8
31
2
23

Low Clouds (% Sky Obscured)

4
42
0
59
55
32
0
0
8
23
38
23
8
0
0
0
0
0
0
0
8
31
0
20

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
18
20
26
5
11
8
2
2
1
0
0
0
0
0
0
0
0
0
1
2
3
2
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 (%)

2
15
0
2
1
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
73
72
76
79
85
88
91
91
91
92
92
92
92
92
94
92
92
92
91
87
83
77
74

Pressure (mb)

1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1034
1034
1033
1033
1032
1032
1032
1032
1032
1031
1030

Ozone (du)

313
309
307
304
303
300
300
301
301
300
300
300
299
302
305
307
307
306
305
303
303
303
303
304

Wednesday 31

Waxing Gibbous 91%

No Rise

06:39

13 OK
14 OK
15 Good
16 OK
17 Good
18 Good
19 Good
20 Good
21 OK
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

Sun - Rise: 08:14, Set: 16:02, Transit: 12:08. Moon - Rise: No Rise, Set: 06:39. Civil Dark: 16:42 - 07:33. Nautical Dark: 17:26 - 06:50. Astro Dark: 18:08 - 06:08

Total Clouds (% Sky Obscured)

41
20
0
24
2
3
0
0
32
41
67
96
98
100
97
78
82
90
81
98
100
71
63
70

Low Clouds (% Sky Obscured)

39
20
0
24
0
0
0
0
31
37
13
42
46
30
23
22
58
73
53
77
71
70
63
68

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
24
38
40
9
0
0
0

High Clouds (% Sky Obscured)

34
7
0
2
2
3
0
0
4
6
37
57
77
100
97
78
73
73
67
89
86
60
14
52

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
7

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
0
0
0
0
1
7
10
18
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)

9
9
8
8
8
7
7
7
8
9
9
10
11
11
11
11
12
14
15
15
16
16
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
80
86
88
88
88
89
91
92
92
92
91
91
91
91
83
73
70
73
74
76
82
91

Pressure (mb)

1029
1028
1028
1027
1027
1026
1025
1025
1024
1023
1022
1021
1020
1019
1018
1017
1015
1014
1014
1013
1013
1013
1012
1011

Ozone (du)

307
307
307
304
305
304
303
301
302
306
308
306
304
304
304
301
298
299
302
307
312
320
321
332

Thursday 1

Waxing Gibbous 97%

13:23

07:57

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

Sun - Rise: 08:14, Set: 16:03, Transit: 12:09. Moon - Rise: 13:23, Set: 07:57. Civil Dark: 16:43 - 07:33. Nautical Dark: 17:27 - 06:50. Astro Dark: 18:09 - 06:08

Total Clouds (% Sky Obscured)

66
62
61
63
52
35
44
46
80
43
49
34
9
10
10
6
0
18
32
49
67
90
99
88

Low Clouds (% Sky Obscured)

62
60
61
44
39
35
44
45
47
39
45
22
1
1
1
1
0
18
32
49
67
57
67
79

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
6
10
10
3
3
4
4
0
10
18
31
47
86
99
87

High Clouds (% Sky Obscured)

32
27
13
37
19
2
5
8
42
2
4
4
4
3
2
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
Light Rain

Precipitation Probability (%)

15
1
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
9
12
25
33
45
72

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
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
79
71
73
77
82
86
91
93
93
93
91
86
81
84
86
89
92
94
94
94
89
83
79

Pressure (mb)

1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1008
1008
1007
1007
1006
1005

Ozone (du)

362
383
386
387
384
380
377
373
366
363
359
357
353
350
346
342
339
337
338
341
343
343
341
331

Friday 2

Waxing Gibbous 100%

14:25

08:53

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

Sun - Rise: 08:14, Set: 16:04, Transit: 12:09. Moon - Rise: 14:25, Set: 08:53. Civil Dark: 16:44 - 07:33. Nautical Dark: 17:28 - 06:50. Astro Dark: 18:10 - 06:08

Total Clouds (% Sky Obscured)

78
71
54
9
4
3
3
2
6
14
1
0
0
0
0
0
0
0
0
0
0
0
0
1

Low Clouds (% Sky Obscured)

66
56
31
8
2
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

60
55
24
0
0
0
0
0
3
14
1
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
3
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

Snow
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 (%)

58
19
11
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
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
11
10
9
8
9
10
10
10
10
10
10
10
10
9
9
9
9
9
10
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-5
-4
-4
-4
-4
-5
-5
-5
-6
-6
-5
-5
-5
-6
-5
-6
-6
-6
-5
-6
-5
-5

Dew Point (°C)

1
1
-2
-2
-3
-4
-4
-5
-5
-5
-6
-6
-6
-6
-6
-6
-6
-7
-7
-6
-7
-8
-8
-7

Relative Humidity (%)

89
88
84
84
84
84
83
77
75
75
74
74
74
72
72
75
72
71
71
74
68
61
55
54

Pressure (mb)

1005
1005
1006
1006
1007
1007
1007
1007
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011

Ozone (du)

322
318
316
314
314
313
320
326
334
335
337
341
352
364
375
379
384
385
388
384
383
386
388
384

Saturday 3

Full Moon 99%

15:46

09:30

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

Sun - Rise: 08:14, Set: 16:05, Transit: 12:10. Moon - Rise: 15:46, Set: 09:30. Civil Dark: 16:46 - 07:33. Nautical Dark: 17:29 - 06:49. Astro Dark: 18:11 - 06:08

Total Clouds (% Sky Obscured)

35
1
0
0
0
14
18
40
35
1
0
0
0
0
0
0
0
0
0
0
12
25
32
45

Low Clouds (% Sky Obscured)

25
0
0
0
0
4
4
9
5
0
0
0
0
0
0
0
0
0
0
0
7
13
19
21

Medium Clouds (% Sky Obscured)

31
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
7
14
26

High 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

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
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)

13
12
12
12
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
8
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-7
-8
-8
-8
-7
-7
-7
-7
-7
-7
-8
-9
-9
-9
-9
-9
-9
-9
-8
-8
-8
-8

Relative Humidity (%)

54
54
54
55
57
61
64
66
67
66
69
67
64
60
59
59
58
58
59
60
63
58
54
50

Pressure (mb)

1011
1011
1011
1012
1012
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017

Ozone (du)

379
375
372
372
374
373
371
371
372
373
372
372
370
368
367
367
367
367
370
373
376
378
380
383

Sunday 4

Waning Gibbous 96%

17:18

09:54

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

Sun - Rise: 08:13, Set: 16:06, Transit: 12:10. Moon - Rise: 17:18, Set: 09:54. Civil Dark: 16:47 - 07:33. Nautical Dark: 17:30 - 06:49. Astro Dark: 18:12 - 06:08

Total Clouds (% Sky Obscured)

62
65
65
69
88
78
62
45
35
32
28
30
42
49
42
40
42
36
28
17
17
16
19
36

Low Clouds (% Sky Obscured)

21
22
26
29
34
35
34
33
22
13
3
4
16
9
9
17
24
22
17
9
11
13
19
29

Medium Clouds (% Sky Obscured)

35
50
44
34
5
23
46
45
35
32
28
30
27
20
14
7
1
1
0
0
1
2
2
16

High Clouds (% Sky Obscured)

0
0
3
5
5
3
3
4
3
4
2
2
2
1
0
0
0
0
0
0
0
1
1
13

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
3
6
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
0
13
15
8
11
10
7
8
8
5
19
27
31
29
25
18
13
8
0
0
0
0
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)

11
10
10
9
8
7
7
6
6
6
6
6
6
6
6
5
5
6
6
6
6
6
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-7
-7
-6
-5
-4
-4
-4
-3
-3
-4
-4
-3
-3
-2
-3
-3
-3
-3
-3
-3
-3
-3
-3

Relative Humidity (%)

52
55
57
62
69
77
80
81
84
86
86
86
91
94
100
98
98
98
98
96
96
87
83
77

Pressure (mb)

1017
1017
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

382
382
382
377
372
367
368
369
370
368
366
364
361
358
354
353
353
352
353
353
354
355
355
356

Monday 5

Waning Gibbous 90%

18:49

10:10

13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 Bad
00 OK
01 OK
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 08:13, Set: 16:07, Transit: 12:11. Moon - Rise: 18:49, Set: 10:10. Civil Dark: 16:48 - 07:32. Nautical Dark: 17:31 - 06:49. Astro Dark: 18:13 - 06:08

Total Clouds (% Sky Obscured)

53
70
50
30
15
20
30
35
37
36
39
28
19
8
6
3
1

Low Clouds (% Sky Obscured)

40
50
33
17
0
6
13
22
17
13
8
0
4
2
2
2
1

Medium Clouds (% Sky Obscured)

30
44
50
30
15
20
30
35
37
36
39
28
15
0
0
0
0

High Clouds (% Sky Obscured)

23
29
29
30
15
20
30
35
37
19
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

Fog (%)

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

Precipitation Probability (%)

5
8
10
10
9
7
4
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-1
-2
-2
-2
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

80
84
87
87
91
92
92
91
92
91
91
91
91
91
92
92
92

Pressure (mb)

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

Ozone (du)

363
370
377
377
377
377
382
386
391
390
388
387
382
376
371
369
368

Forecast for Bilton, Warwickshire, United Kingdom (52.35,-1.29)

Generated: 30/12/25 13:07:59. Forecast: 30/12/25 to 05/01/26. Timezone: UTC+0.00