Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 31

Waxing Gibbous 91%

13:32

06:42

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

Sun - Rise: 08:18, Set: 16:09, Transit: 12:14. Moon - Rise: 13:32, Set: 06:42. Civil Dark: 16:50 - 07:38. Nautical Dark: 17:33 - 06:54. Astro Dark: 18:14 - 06:13

Total Clouds (% Sky Obscured)

0
0
0
25
50
80
75
75
74
66
75
20
17
87
100
100
100
82
60
90
100
100
90
79

Low Clouds (% Sky Obscured)

0
0
0
24
47
72
71
71
72
66
74
16
6
37
45
45
49
41
25
29
6
30
41
50

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
2
2
4
6
14
44
11
5
20
9
87
99
100
100
31
60
90
100
100
90
79

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
1
3
12
19
16
12
2
1
3
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)

3
3
3
4
4
4
4
5
5
5
9
10
10
10
11
12
12
13
13
11
10
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
76
81
86
89
89
91
91
91
91
78
68
69
78
73
77
85
86
85
82
78
70
67
70

Pressure (mb)

1028
1027
1027
1026
1025
1025
1024
1022
1021
1021
1020
1019
1018
1016
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012

Ozone (du)

302
300
298
298
299
301
304
305
305
306
306
300
301
299
303
308
319
322
317
326
346
369
380
381

Thursday 1

Waxing Gibbous 97%

14:34

08:00

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

Sun - Rise: 08:18, Set: 16:10, Transit: 12:15. Moon - Rise: 14:34, Set: 08:00. Civil Dark: 16:50 - 07:38. Nautical Dark: 17:34 - 06:54. Astro Dark: 18:15 - 06:13

Total Clouds (% Sky Obscured)

56
53
49
36
17
80
51
69
77
40
40
50
48
92
79
99
96
100
80
31
0
0
11
7

Low Clouds (% Sky Obscured)

41
39
49
36
17
44
34
54
28
9
32
39
38
38
66
70
93
85
0
31
0
0
11
7

Medium Clouds (% Sky Obscured)

0
0
0
0
0
35
21
20
36
18
20
16
41
75
37
55
43
45
36
0
0
0
0
0

High Clouds (% Sky Obscured)

56
53
49
31
3
3
2
1
1
1
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
6
1
6
0
0
4
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
Very Light Rain
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
4
1
1
0
0
0
0
1
6
25
39
28
48
60
66
55
25
3
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.4
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
11
11
11
9
8
8
9
11
14
14
12
9
6
5
7
10
9
9
11
14
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
72
75
79
82
83
86
88
88
83
76
76
89
94
94
98
100
89
78
77
70
69
69
69

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1010
1010
1011
1011
1011
1011
1011

Ozone (du)

379
371
366
366
366
365
360
356
355
356
349
345
345
350
354
353
357
360
358
354
353
361
364
357

Friday 2

Waxing Gibbous 100%

No Rise

08:56

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

Sun - Rise: 08:18, Set: 16:11, Transit: 12:15. Moon - Rise: No Rise, Set: 08:56. Civil Dark: 16:52 - 07:37. Nautical Dark: 17:35 - 06:54. Astro Dark: 18:16 - 06:13

Total Clouds (% Sky Obscured)

0
0
0
0
9
0
0
0
1
1
37
61
45
16
18
18
5
7
19
0
0
1
4
4

Low Clouds (% Sky Obscured)

0
0
0
0
9
0
0
0
0
0
0
61
3
16
18
18
4
7
19
0
0
1
2
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
13
21
18
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
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
3
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
12
10
8
7
7
8
7
7
7
7
7
8
7
7
7
6
6
6
8
11
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-2
-3
-2
-3
-2
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-2
-3
-2
-2

Dew Point (°C)

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

Relative Humidity (%)

72
74
78
80
80
78
78
78
77
77
77
78
77
75
77
75
77
77
75
69
64
64
62
63

Pressure (mb)

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

Ozone (du)

330
320
307
301
296
296
298
300
306
310
317
328
339
345
342
346
347
346
343
343
343
346
347
341

Saturday 3

Full Moon 99%

15:55

09:33

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

Sun - Rise: 08:17, Set: 16:12, Transit: 12:15. Moon - Rise: 15:55, Set: 09:33. Civil Dark: 16:53 - 07:37. Nautical Dark: 17:36 - 06:54. Astro Dark: 18:17 - 06:13

Total Clouds (% Sky Obscured)

1
2
1
1
0
0
0
0
3
10
19
30
22
12
1
2
1
1
10
18
27
27
18
16

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
5
12
20
12
8
1
1
0
0
7
13
17
13
12
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
6
15
5
10

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)

12
11
9
8
7
6
6
5
5
5
5
5
5
5
5
5
4
4
4
4
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
65
68
68
70
72
74
72
71
69
69
69
69
71
71
71
71
72
71
66
61
59
60
63

Pressure (mb)

1017
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1021
1020
1020
1020
1021
1021
1021
1022
1022
1021
1021
1021

Ozone (du)

345
345
343
339
329
321
320
322
327
333
335
339
342
340
337
334
336
337
339
340
342
344
346
349

Sunday 4

Waning Gibbous 96%

17:26

09:58

15 OK
16 OK
17 OK
18 OK
19 OK
20 Good
21 OK
22 Bad
23 Bad
00 OK
01 OK
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

Sun - Rise: 08:17, Set: 16:14, Transit: 12:16. Moon - Rise: 17:26, Set: 09:58. Civil Dark: 16:54 - 07:37. Nautical Dark: 17:37 - 06:54. Astro Dark: 18:18 - 06:13

Total Clouds (% Sky Obscured)

19
28
35
28
23
18
34
51
64
43
25
11
8
4
0
0
0
0
0
0
0
1
1
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
5
9
11
8
4
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

13
28
35
28
23
11
19
28
33
22
13
0
0
0
0
0
0
0
0
0
0
1
1
1

High Clouds (% Sky Obscured)

3
9
13
18
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
72
75
75
75
74
74
74
73
75
76
78
78
79
79
79
78
78
76
71
67
64
67
70

Pressure (mb)

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

Ozone (du)

347
346
349
356
368
374
375
376
376
377
380
377
374
372
372
370
369
368
367
366
365
364
362
361

Monday 5

Waning Gibbous 90%

18:56

10:15

15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 OK
22 OK
23 OK
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

Sun - Rise: 08:16, Set: 16:15, Transit: 12:16. Moon - Rise: 18:56, Set: 10:15. Civil Dark: 16:55 - 07:37. Nautical Dark: 17:38 - 06:54. Astro Dark: 18:19 - 06:13

Total Clouds (% Sky Obscured)

3
5
6
5
3
1
11
20
26
39
53
67
78
84
100
100
100
100
100
100
100
85
70
55

Low Clouds (% Sky Obscured)

2
4
6
4
2
0
10
20
26
20
10
0
16
32
48
43
37
32
51
69
88
73
58
43

Medium Clouds (% Sky Obscured)

3
1
0
0
0
0
1
2
2
18
34
49
71
84
100
100
100
100
100
100
100
83
66
49

High Clouds (% Sky Obscured)

0
1
1
1
1
0
1
1
1
2
2
3
37
69
100
100
100
100
100
100
100
74
48
19

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
30
50
70
95
95
95
95
86
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
1
1
0.8
0.4
0

Wind Speed/Direction (mph)

6
5
5
5
5
5
5
5
5
5
5
6
7
8
9
9
11
13
14
12
11
10
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
76
78
83
86
87
87
89
89
91
86
84
83
81
80
79
85
89
94
94
93
93
89
88

Pressure (mb)

1025
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1022
1021
1020
1019
1018
1017
1016
1015
1014
1014
1013

Ozone (du)

359
357
356
354
356
359
361
355
348
342
345
348
350
352
354
355
358
362
365
374
384
393
399
405

Tuesday 6

Waning Gibbous 83%

20:22

10:28

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: 16:16, Transit: 12:17. Moon - Rise: 20:22, Set: 10:28. Civil Dark: 16:56 - 07:36. Nautical Dark: 17:39 - 06:53. Astro Dark: 18:20 - 06:12

Total Clouds (% Sky Obscured)

55
57
60
54
48
42
44
48
49
70
86
98
99
100
100
98
97
97
94
93
90

Low Clouds (% Sky Obscured)

46
50
53
47
41
35
32
29
27
33
47
71
80
84
89
87
85
83
76
76
72

Medium Clouds (% Sky Obscured)

42
37
34
34
34
29
33
37
40
51
62
71
58
47
40
39
43
47
41
29
13

High Clouds (% Sky Obscured)

11
6
0
0
0
0
0
0
1
11
22
32
51
71
85
82
72
66
53
43
38

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

Fog (%)

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

Precipitation Probability (%)

38
28
9
16
13
5
10
9
2
18
20
18
16
14
9
34
33
27
40
42
27

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

4
3
3
2
2
2
2
2
2
2
2
3
3
3
3
3
3
2
2
3
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
86
86
89
89
93
93
91
91
91
93
93
93
93
93
93
91
91
89
88

Pressure (mb)

1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1016

Ozone (du)

410
409
408
406
402
398
394
391
388
384
385
385
386
367
348
329
321
312
304
304
304

Forecast for Little Dewchurch, Herefordshire, United Kingdom (51.97,-2.69)

Generated: 31/12/25 15:01:16. Forecast: 31/12/25 to 06/01/26. Timezone: UTC+0.00