Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 4

Waning Gibbous 96%

17:26

09:58

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 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 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)

50
41
41
77
100
100
100
86
84
85
86
71
78
62
0
0
0
0
0
0
0
0
0
10

Low Clouds (% Sky Obscured)

6
3
1
7
8
24
28
36
32
41
31
55
0
0
0
0
0
0
0
0
0
0
0
10

Medium Clouds (% Sky Obscured)

2
3
26
77
100
100
100
85
84
85
47
16
39
28
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
38
42
80
5
3
3
2
2
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
0
0
7
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
19
20
1
1
4
10
8
19
28
25
7
3
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-0
-1
-1
-1
-2
-1
-1
-1
-1
-2
-4
-4
-4
-5
-5
-6
-6
-7
-7
-7
-6
-5

Relative Humidity (%)

72
77
83
88
92
91
88
91
94
96
96
84
74
77
80
81
79
78
78
73
69
61
60
60

Pressure (mb)

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

Ozone (du)

347
348
350
352
364
366
382
393
398
399
387
388
386
387
386
387
383
394
401
406
410
410
404
400

Monday 5

Waning Gibbous 90%

18:56

10:15

14 Good
15 OK
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 OK
08 Bad
09 Bad
10 Bad
11 OK
12 Bad
13 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)

9
28
25
0
0
0
0
0
0
0
0
0
0
0
0
16
0
39
84
62
66
38
71
65

Low Clouds (% Sky Obscured)

9
28
25
0
0
0
0
0
0
0
0
0
0
0
0
16
0
0
0
0
0
0
29
42

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
56
47
66
38
64
49

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
23
25
16
2
4
2

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)

9
7
5
5
5
4
4
4
4
3
3
3
3
4
3
4
3
4
4
4
4
4
6
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
70
80
83
83
82
82
81
82
81
81
79
79
78
78
76
75
76
76
76
74
74
74
73

Pressure (mb)

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

Ozone (du)

402
407
414
415
415
414
406
401
398
394
390
389
388
386
385
381
377
375
373
372
370
371
370
370

Tuesday 6

Waning Gibbous 83%

20:22

10:28

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
10 Bad
11 Bad
12 Bad
13 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)

75
99
100
91
87
90
96
68
55
46
54
80
65
25
29
54
71
88
100
100
100
100
73
100

Low Clouds (% Sky Obscured)

41
37
70
81
75
82
90
55
31
23
39
73
50
0
5
0
0
0
0
19
38
58
72
86

Medium Clouds (% Sky Obscured)

70
93
99
91
87
90
20
2
55
0
0
0
55
25
29
54
71
88
95
96
68
94
33
87

High Clouds (% Sky Obscured)

2
3
2
2
1
0
0
0
0
46
54
60
50
25
29
39
56
71
96
89
100
100
73
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
9
4
5
4
6
9
9
8
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
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
3
15
39
51
40
53
56
59
56
72
31
8
29
22
14
0
0
0
0
0
0
9
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.3
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
82
89
91
91
88
91
93
93
94
96
94
93
91
93
91
91
89
91
91
91
86
83
83

Pressure (mb)

1017
1016
1016
1015
1014
1013
1012
1012
1011
1011
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1012

Ozone (du)

372
374
376
377
376
377
377
378
370
369
371
373
373
373
371
367
354
342
335
330
323
319
319
312

Wednesday 7

Waning Gibbous 74%

21:42

10:39

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:16, Set: 16:17, Transit: 12:17. Moon - Rise: 21:42, Set: 10:39. Civil Dark: 16:57 - 07:36. Nautical Dark: 17:40 - 06:53. Astro Dark: 18:21 - 06:12

Total Clouds (% Sky Obscured)

100
99
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
97
94
91
78
66
54
51
47
44
43
42
44
47
49
50
45
42
39
58
77
97
98
99

Medium Clouds (% Sky Obscured)

100
90
42
47
86
87
88
89
87
87
90
94
72
73
98
100
97
95
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
95
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
0
0
4
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
Light Rain
Light Rain

Precipitation Probability (%)

10
14
13
10
17
9
3
3
3
1
1
3
1
0
0
0
0
0
0
13
25
36
76
95

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
0.4
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
91
91
94
94
98
98
98
98
94
93
86
85
83
82
83
85
89
89
88
88
86
85

Pressure (mb)

1012
1011
1011
1010
1010
1010
1009
1009
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1010
1009
1009
1008
1007

Ozone (du)

309
308
309
310
313
315
318
318
318
321
321
321
321
320
321
325
326
324
323
320
318
319
320
319

Thursday 8

Waning Gibbous 64%

22:59

10:49

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:15, Set: 16:19, Transit: 12:18. Moon - Rise: 22:59, Set: 10:49. Civil Dark: 16:58 - 07:35. Nautical Dark: 17:41 - 06:53. Astro Dark: 18:22 - 06:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
92
88
91
96
100
98
96
95
94
93
93
95
98
100
100
100

Low Clouds (% Sky Obscured)

100
95
90
84
86
87
89
88
86
86
75
65
58
54
55
57
61
61
62
59
57
54
56
52

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
80
60
50
60
80
100
89
77
59
48
35
30
42
66
76
85
93

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
75
53
40
57
71
85
77
65
53
42
42
65
89
95
98
88
79

ISS Passover

Visibility (miles)

9
9
8
6
4
2
5
2
0
1
2
4
6
9
9
9
9
8
6
5
3
2
0
0

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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
91
69
77
82
88
87
76

Precipitation Amount (mm)

1
1
1
1
1.4
1.6
2.2
2
1.6
1.3
1.7
1.4
1.1
1
0.8
1.2
1
0.7
0.4
0.4
0.5
0.6
0.6
0.4

Wind Speed/Direction (mph)

4
5
5
5
7
10
12
13
13
21
28
28
30
34
32
31
31
30
28
27
26
26
26
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
5
5
6
7
8
8
6
5
3
2
1
-1
0
1
1
2
3
4
4

Relative Humidity (%)

86
89
89
91
96
98
98
98
98
95
95
91
90
86
80
76
72
76
79
82
86
89
94
94

Pressure (mb)

1006
1005
1003
1001
999
996
994
991
988
985
982
980
978
977
977
978
979
980
981
981
982
983
984
985

Ozone (du)

319
320
320
318
319
322
321
322
323
322
325
327
330
333
347
361
374
377
380
383
387
391
395
394

Friday 9

Waning Gibbous 54%

00:13

10:59

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

Sun - Rise: 08:14, Set: 16:20, Transit: 12:18. Moon - Rise: 00:13, Set: 10:59. Civil Dark: 17:00 - 07:35. Nautical Dark: 17:43 - 06:52. Astro Dark: 18:23 - 06:12

Total Clouds (% Sky Obscured)

100
85
70
58
51
46
41
38
33
29
27
26
26
46
64
81
79
77
75
81
88
94
96
98

Low Clouds (% Sky Obscured)

51
49
43
40
40
39
38
36
33
29
27
26
26
38
33
28
27
25
23
36
48
61
68
74

Medium Clouds (% Sky Obscured)

100
84
70
58
39
19
3
3
3
4
3
1
0
5
9
14
17
18
22
41
61
80
87
94

High Clouds (% Sky Obscured)

69
48
28
7
3
4
2
1
1
0
0
0
0
19
37
50
41
36
34
42
40
36
42
71

ISS Passover

Visibility (miles)

0
0
3
6
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

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

Precipitation Probability (%)

64
68
65
47
52
45
11
18
21
0
1
2
0
0
0
0
0
0
0
4
9
15
51
78

Precipitation Amount (mm)

0.2
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

24
24
23
22
21
22
22
21
19
18
17
16
16
15
13
12
11
8
6
5
6
7
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
91
89
85
82
77
75
73
75
75
73
72
70
72
73
76
77
80
81
82
82
82
85

Pressure (mb)

986
987
988
990
992
994
996
997
999
1001
1002
1003
1005
1006
1007
1007
1008
1008
1009
1009
1008
1007
1006
1003

Ozone (du)

392
391
392
394
395
393
391
389
394
398
403
400
398
395
387
379
371
368
365
361
356
351
346
340

Saturday 10

Third Quarter 44%

01:26

11:11

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: 08:14, Set: 16:22, Transit: 12:18. Moon - Rise: 01:26, Set: 11:11. Civil Dark: 17:01 - 07:34. Nautical Dark: 17:44 - 06:52. Astro Dark: 18:24 - 06:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
82
65
51
62
70
78

Low Clouds (% Sky Obscured)

81
83
84
86
91
96
100
86
72
57
49
41
32
43
56
66

Medium Clouds (% Sky Obscured)

100
100
100
100
90
81
71
75
81
94
74
54
33
35
38
55

High Clouds (% Sky Obscured)

100
100
100
100
72
50
35
57
77
100
74
47
21
21
25
30

ISS Passover

Visibility (miles)

5
2
5
7
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

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
92
33
34
28
9
17
20
22

Precipitation Amount (mm)

0.6
1
1.1
1.1
1.2
1.1
1.1
0.9
0.5
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
13
15
18
20
18
17
17
18
18
19
19
18
18
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
94
93
90
88
90
90
91
87
84
81
84
84
85
87
88

Pressure (mb)

1001
999
996
994
992
991
990
989
989
989
988
988
988
988
988
987

Ozone (du)

334
328
325
323
320
319
318
317
319
321
323
320
318
315
316
316

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

Generated: 04/01/26 14:13:28. Forecast: 04/01/26 to 10/01/26. Timezone: UTC+0.00