Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 31

Waxing Gibbous 91%

12:42

04:56

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

Sun - Rise: 08:04, Set: 16:00, Transit: 12:02. Moon - Rise: 12:42, Set: 04:56. Civil Dark: 16:40 - 07:24. Nautical Dark: 17:23 - 06:41. Astro Dark: 18:03 - 06:01

Total Clouds (% Sky Obscured)

15
30
31
49
88
100
100
100
95
80
29
11
9
29
16
3
0
0
0
0
3
2
13
40

Low Clouds (% Sky Obscured)

15
30
31
49
88
100
100
100
95
80
29
11
9
21
14
3
0
0
0
0
0
0
13
40

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
0
0
0
0
0
0
2
10
16
3
0
0
0
0
3
2
10
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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
84
84
84
81
75
75
71
67
64
61
61
64
70
74
76
77
77
75
77
78
80
81

Pressure (mb)

1033
1032
1032
1032
1031
1031
1031
1031
1031
1030
1029
1029
1028
1027
1026
1026
1025
1025
1024
1023
1022
1021
1020
1019

Ozone (du)

302
302
304
309
311
313
312
310
309
309
310
306
307
310
310
308
308
306
304
304
304
304
304
303

Thursday 1

Waxing Gibbous 97%

13:24

06:26

02 Bad
03 OK
04 OK
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
22 Bad
23 Bad
00 OK
01 Good

Sun - Rise: 08:04, Set: 16:01, Transit: 12:02. Moon - Rise: 13:24, Set: 06:26. Civil Dark: 16:41 - 07:24. Nautical Dark: 17:24 - 06:41. Astro Dark: 18:04 - 06:01

Total Clouds (% Sky Obscured)

56
32
27
72
94
86
100
97
88
100
100
100
100
91
71
58
85
63
79
55
77
64
26
1

Low Clouds (% Sky Obscured)

56
25
8
0
45
39
37
59
34
44
41
42
49
39
49
39
0
23
31
39
64
46
7
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
24
21
14
7
0
0
0
4
9
13
8
22
33
45
50
42
26
1

High Clouds (% Sky Obscured)

11
16
27
72
89
80
100
91
68
100
100
100
100
82
33
20
75
29
20
41
52
21
14
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
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
81
80
81
80
73
64
63
65
68
75
79
72
72
73
76
77
75
76
77
74
74
74

Pressure (mb)

1019
1018
1016
1015
1014
1013
1013
1012
1011
1011
1010
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1008
1007
1007

Ozone (du)

307
306
300
300
301
302
310
320
327
344
369
386
390
392
394
388
379
376
374
372
372
372
372
373

Friday 2

Waxing Gibbous 100%

14:26

07:43

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

Sun - Rise: 08:04, Set: 16:02, Transit: 12:03. Moon - Rise: 14:26, Set: 07:43. Civil Dark: 16:42 - 07:24. Nautical Dark: 17:25 - 06:41. Astro Dark: 18:05 - 06:01

Total Clouds (% Sky Obscured)

1
2
9
10
50
96
84
74
72
37
32
44
58
33
39
23
2
0
0
2
33
23
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
36
84
74
72
16
32
28
42
7
0
0
0
0
0
1
1
1
0
0

Medium Clouds (% Sky Obscured)

1
2
9
10
50
89
66
34
30
13
0
0
0
33
39
23
2
0
0
2
33
23
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)

9
9
9
2
1
4
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
Snow
Snow
None
None
Light Rain
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
23
60
51
19
30
60
47
18
1
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.4
0.1
0
0
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-2
-2
-1
-1
-2
-3
-3
-5
-5
-5
-5
-3
-6
-6
-6
-6
-7
-7
-7
-7
-7
-7

Relative Humidity (%)

78
78
77
83
89
84
81
77
77
65
60
57
58
69
59
59
61
60
60
61
62
61
61
61

Pressure (mb)

1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1006
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008

Ozone (du)

375
376
371
369
369
368
372
378
381
385
387
388
390
387
388
387
381
371
366
361
357
354
355
354

Saturday 3

Full Moon 99%

15:47

08:40

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

Sun - Rise: 08:03, Set: 16:03, Transit: 12:03. Moon - Rise: 15:47, Set: 08:40. Civil Dark: 16:43 - 07:24. Nautical Dark: 17:26 - 06:41. Astro Dark: 18:06 - 06:01

Total Clouds (% Sky Obscured)

0
0
3
4
1
1
6
40
45
50
3
3
6
3
4
3
1
1
0
0
0
2
0
0

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
2
4
1
1
0
28
30
33
2
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)

9
9
9
9
9
9
9
8
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
1
1
2
1
1
2
2
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)

10
10
10
10
10
10
11
11
11
11
11
11
11
10
10
9
9
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
60
58
57
57
57
57
57
54
52
50
50
51
51
52
53
55
55
56
56
56
54
56
57

Pressure (mb)

1008
1008
1008
1008
1008
1009
1009
1010
1010
1011
1011
1011
1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016

Ozone (du)

355
360
367
371
379
386
383
381
382
380
375
370
366
361
358
354
353
354
353
350
352
354
356
358

Sunday 4

Waning Gibbous 96%

17:16

09:18

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

Sun - Rise: 08:03, Set: 16:05, Transit: 12:04. Moon - Rise: 17:16, Set: 09:18. Civil Dark: 16:44 - 07:24. Nautical Dark: 17:27 - 06:41. Astro Dark: 18:07 - 06:01

Total Clouds (% Sky Obscured)

0
1
2
1
0
0
0
0
0
0
0
0
0
0
0
0
41
56
70
59
50
52
45
36

Low Clouds (% Sky Obscured)

0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
16

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
19
18
15
14
10
8
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
16
27
19
15
3
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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-10
-10
-10
-10
-10
-9
-10
-10
-10
-9
-8
-7
-6
-5
-4
-4
-4
-4
-5
-4
-4
-4
-5

Relative Humidity (%)

57
55
54
54
55
55
57
55
52
48
47
50
55
60
70
75
77
78
78
78
80
81
81
78

Pressure (mb)

1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

352
347
345
345
349
349
348
349
349
351
351
353
354
355
355
356
359
362
365
368
368
368
368
369

Monday 5

Waning Gibbous 94%

18:46

09:44

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

Sun - Rise: 08:03, Set: 16:06, Transit: 12:04. Moon - Rise: 18:46, Set: 09:44. Civil Dark: 16:45 - 07:23. Nautical Dark: 17:28 - 06:41. Astro Dark: 18:08 - 06:00

Total Clouds (% Sky Obscured)

27
27
28
27
34
42
50
44
34
19
13
8
5
12
17
19
22
23
24
28
36
42
50
52

Low Clouds (% Sky Obscured)

22
21
20
16
19
28
36
27
17
7
6
3
0
9
17
19
22
23
24
28
36
42
50
52

Medium Clouds (% Sky Obscured)

4
7
9
13
12
8
10
17
24
19
13
8
5
12
5
3
4
4
3
2
1
0
0
1

High Clouds (% Sky Obscured)

3
3
3
4
3
1
0
2
2
3
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 (%)

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
1
2
2
4
5
2
3
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
74
71
68
66
64
62
61
58
53
51
52
53
55
58
60
63
65
63
64
64
66
66
68

Pressure (mb)

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

Ozone (du)

371
373
377
381
385
385
385
386
383
381
378
378
379
379
380
381
383
380
378
375
372
368
365
361

Tuesday 6

Waning Gibbous 91%

20:11

10:02

Sun - Rise: 08:02, Set: 16:07, Transit: 12:05. Moon - Rise: 20:11, Set: 10:02. Civil Dark: 16:46 - 07:23. Nautical Dark: 17:29 - 06:41. Astro Dark: 18:09 - 06:00

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Wilmington, Kent, United Kingdom (51.43,0.21)

Generated: 31/12/25 02:50:24. Forecast: 31/12/25 to 06/01/26. Timezone: UTC+0.00