Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 25

Waxing Crescent 45%

10:31

01:29

17 Bad
18 Bad
19 OK
20 Bad
21 OK
22 OK
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
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:05, Set: 16:52, Transit: 12:28. Moon - Rise: 10:31, Set: 01:29. Civil Dark: 17:28 - 07:27. Nautical Dark: 18:10 - 06:46. Astro Dark: 18:50 - 06:06

Total Clouds (% Sky Obscured)

50
50
33
61
37
20
32
16
28
24
65
66
90
100
97
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

36
20
33
43
29
20
32
16
28
24
36
31
44
51
56
48
47
38
36
39
100
100
67
34

Medium Clouds (% Sky Obscured)

0
0
0
0
2
0
0
0
0
0
0
0
3
8
88
100
100
100
69
95
100
100
100
100

High Clouds (% Sky Obscured)

4
3
0
0
0
0
0
0
4
2
40
40
77
100
81
100
100
100
100
100
100
100
100
100

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
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
1
0
0
1
0
1
0
0
0
0
0
0
0
1
0
0
0
1
7
61
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
1.5
1.2

Wind Speed/Direction (mph)

9
7
5
7
6
5
5
6
7
6
6
7
9
9
10
12
13
15
16
18
18
17
16
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
88
84
83
88
88
89
88
86
85
82
85
88
88
86
85
83
83
84
81
82
85
90

Pressure (mb)

994
996
996
997
998
998
999
999
999
999
999
999
999
999
999
998
998
998
997
996
996
995
994
994

Ozone (du)

460
462
461
463
467
468
459
457
456
448
447
447
445
435
423
411
404
394
386
379
378
374
373
373

Monday 26

First Quarter 57%

10:53

02:59

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:04, Set: 16:54, Transit: 12:29. Moon - Rise: 10:53, Set: 02:59. Civil Dark: 17:30 - 07:26. Nautical Dark: 18:11 - 06:45. Astro Dark: 18:51 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
73
58
67
96
68
57
51
53
81

Low Clouds (% Sky Obscured)

41
78
91
78
42
46
51
59
59
63
56
65
100
100
43
48
47
46
88
59
44
27
34
35

Medium Clouds (% Sky Obscured)

100
98
100
100
97
100
100
100
57
95
100
100
100
100
100
69
50
65
68
24
49
24
45
69

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
45
45
50
45
40
1
0
0
0
7

ISS Passover

Visibility (miles)

2
3
2
2
3
2
2
3
5
3
7
5
4
9
4
3
9
9
9
7
9
5
7
4

Fog (%)

0
0
2
0
0
0
6
0
16
0
1
0
0
1
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
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
53
23
16
28
49
55
58
45

Precipitation Amount (mm)

0.9
0.9
1.1
1.6
1.5
1.3
1.2
0.9
0.7
1
1.3
0.7
0.6
1.4
2
0.4
0
0
0
0
0.2
0.2
0.3
0.2

Wind Speed/Direction (mph)

20
18
16
16
17
22
23
24
28
33
33
31
28
25
20
18
15
20
23
24
22
24
21
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
91
90
91
90
88
88
88
87
87
90
91
88
88
88
84
88
84
81
75
85
84
82

Pressure (mb)

992
992
991
991
989
987
985
983
980
978
976
975
975
974
974
974
974
974
975
976
976
977
978
980

Ozone (du)

374
368
369
367
364
361
359
359
361
362
362
362
364
365
367
368
369
377
375
383
391
406
423
435

Tuesday 27

Waxing Gibbous 68%

11:26

04:29

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
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
15 Bad
16 Bad

Sun - Rise: 08:02, Set: 16:56, Transit: 12:29. Moon - Rise: 11:26, Set: 04:29. Civil Dark: 17:31 - 07:25. Nautical Dark: 18:13 - 06:43. Astro Dark: 18:53 - 06:03

Total Clouds (% Sky Obscured)

59
55
43
59
72
55
40
98
94
100
92
91
93
100
99
97
97
98
99
99
98
95
97
98

Low Clouds (% Sky Obscured)

37
36
14
26
47
51
34
43
65
72
53
39
38
38
19
19
36
19
15
12
10
6
4
3

Medium Clouds (% Sky Obscured)

35
23
36
46
49
55
40
89
43
100
40
40
50
100
96
40
35
49
89
16
14
48
12
9

High Clouds (% Sky Obscured)

45
30
3
21
17
50
40
92
60
55
55
55
60
69
84
48
62
38
26
35
42
50
67
82

ISS Passover

Visibility (miles)

7
9
5
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

31
40
44
26
20
6
4
6
11
11
4
23
47
35
4
1
0
0
0
0
1
0
0
0

Precipitation Amount (mm)

0
0
0.2
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
16
14
9
8
8
8
9
9
11
12
11
13
13
13
12
11
13
16
18
18
18
18
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
86
89
86
85
85
85
86
79
82
81
81
86
84
81
79
81
78
77
75
74
72
71

Pressure (mb)

981
982
984
984
985
986
986
987
988
988
988
988
988
988
988
989
989
989
989
989
989
989
989
989

Ozone (du)

443
444
450
457
464
467
471
470
468
468
471
466
467
467
467
469
473
473
470
471
472
474
470
469

Wednesday 28

Waxing Gibbous 79%

12:16

05:51

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:01, Set: 16:57, Transit: 12:29. Moon - Rise: 12:16, Set: 05:51. Civil Dark: 17:33 - 07:23. Nautical Dark: 18:14 - 06:42. Astro Dark: 18:54 - 06:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
72
39
53
48
97
95
95
93
95
98
100
100
100

Low Clouds (% Sky Obscured)

1
1
9
23
27
17
25
28
33
56
56
52
39
41
45
47
42
50
61
52
44
40
47
54

Medium Clouds (% Sky Obscured)

60
56
31
85
95
91
87
90
94
97
93
72
39
53
42
59
60
58
60
73
88
100
72
100

High Clouds (% Sky Obscured)

100
79
61
48
67
84
100
100
100
96
49
48
39
49
26
60
50
0
0
0
0
0
3
6

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
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

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

Precipitation Probability (%)

1
0
0
0
2
6
9
15
20
21
34
45
59
52
41
13
14
11
5
15
27
42
53
47

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

21
23
22
22
21
21
20
20
20
21
21
22
22
23
22
20
19
18
16
16
16
18
19
18

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
6
6
6
6
7
7
6
6
6
6
6
6
7
7
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
78
74
75
78
78
79
79
78
78
76
75
78
82
82
78
79
78
79
81
81
85
93
93

Pressure (mb)

989
990
990
990
990
990
990
990
989
989
989
989
988
988
988
988
988
987
987
986
985
984
984
984

Ozone (du)

470
470
472
473
472
463
443
417
384
371
363
358
355
355
362
363
366
366
366
364
361
363
364
365

Thursday 29

Waxing Gibbous 88%

13:28

06:54

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:59, Set: 16:59, Transit: 12:29. Moon - Rise: 13:28, Set: 06:54. Civil Dark: 17:35 - 07:22. Nautical Dark: 18:16 - 06:41. Astro Dark: 18:56 - 06:01

Total Clouds (% Sky Obscured)

100
100
91
92
100
98
100
98
95
95
96
97
99
95
88
81
85
90
96
96
99
99
86
73

Low Clouds (% Sky Obscured)

66
74
77
85
81
73
67
62
62
58
65
73
81
65
69
74
78
81
84
81
79
78
69
58

Medium Clouds (% Sky Obscured)

84
75
22
22
34
38
45
38
21
2
1
35
40
77
54
31
39
47
54
63
72
90
73
52

High Clouds (% Sky Obscured)

8
17
30
45
60
80
85
62
31
0
5
22
29
72
44
17
21
20
13
14
19
25
31
29

ISS Passover

Visibility (miles)

0
0
0
7
9
9
9
9
9
9
8
9
8
3
5
7
9
9
8
7
8
8
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

45
56
68
74
80
80
60
56
47
38
31
37
76
84
81
75
51
51
54
61
60
58
48
37

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
18
19
19
19
17
16
15
12
12
11
10
10
11
9
8
8
8
10
12
13
15
16
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
6
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
5

Relative Humidity (%)

94
93
94
87
84
85
85
82
85
85
88
85
85
88
90
90
90
88
87
87
87
87
87
85

Pressure (mb)

983
983
982
982
981
981
981
981
980
980
980
980
979
979
977
978
979
979
980
981
982
982
983
983

Ozone (du)

368
370
376
378
378
379
381
384
392
398
410
415
417
422
425
427
430
429
429
429
428
427
426
428

Friday 30

Waxing Gibbous 95%

14:54

07:38

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:58, Set: N/A, Transit: 12:29. Moon - Rise: 14:54, Set: 07:38. Civil Dark: 17:36 - 07:21. Nautical Dark: 18:18 - 06:39. Astro Dark: 18:57 - 06:00

Total Clouds (% Sky Obscured)

60
62
65
72
78
83
89
83
78
73
81
90
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

48
52
58
60
66
72
78
71
62
54
66
82
97
97
93
87
88
86
84
87
91
95
96
97

Medium Clouds (% Sky Obscured)

29
41
54
72
78
83
89
80
66
52
68
84
100
98
96
94
87
80
78
73
65
56
43
30

High Clouds (% Sky Obscured)

24
39
60
72
57
30
0
7
13
20
30
43
56
53
50
46
33
19
5
18
30
42
31
16

ISS Passover

Visibility (miles)

9
9
9
8
7
8
9
9
9
8
8
8
8
7
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
None
None
None
Light Rain
Light Rain
Light Rain
None
None
None
None
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

32
33
42
45
34
29
39
44
39
38
42
67
85
64
47
45
44
43
47
37
26
19
16
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.5
1
0.4
0
0
0
0
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
7
7
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
87
88
90
90
90
88
88
88
88
90
90
91
91
90
91
90
90
90
88
88
88
87

Pressure (mb)

983
984
984
984
984
984
985
985
985
985
986
986
987
987
988
989
990
991
991
992
993
993
994
994

Ozone (du)

431
433
434
434
435
435
436
436
434
432
431
430
430
430
431
432
433
436
438
441
442
444
445
445

Saturday 31

Waxing Gibbous 99%

16:26

08:06

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: 07:56, Set: 17:01, Transit: 12:29. Moon - Rise: 16:26, Set: 08:06. Civil Dark: 17:38 - 07:19. Nautical Dark: 18:19 - 06:38. Astro Dark: 18:59 - 05:58

Total Clouds (% Sky Obscured)

100
100
99
99
98
98
98
99
99
99
99
99
99
99
98
98
97
96
96

Low Clouds (% Sky Obscured)

98
96
94
94
89
82
75
73
77
83
82
81
78
80
83
87
89
91
92

Medium Clouds (% Sky Obscured)

18
19
20
19
42
66
92
78
60
42
44
49
54
60
67
77
82
85
85

High Clouds (% Sky Obscured)

1
5
10
11
11
6
4
3
2
1
2
2
3
2
1
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
8

Fog (%)

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
Light Rain
Light Rain

Precipitation Probability (%)

10
16
19
23
24
24
19
17
14
5
15
20
23
27
29
29
53
76
82

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.5

Wind Speed/Direction (mph)

3
3
4
4
5
5
5
5
5
5
5
6
6
7
8
9
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
4
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4

Dew Point (°C)

5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
5
5
5
6

Relative Humidity (%)

88
88
88
88
88
88
87
88
88
88
90
90
90
91
91
90
88
85
84

Pressure (mb)

995
996
996
996
997
997
997
997
997
997
997
997
996
996
996
995
995
994
994

Ozone (du)

444
444
443
442
441
438
436
433
437
441
444
457
469
481
480
479
477
466
454

Forecast for Aberystwyth, Ceredigion, United Kingdom (52.42,-4.08)

Generated: 25/01/26 17:03:51. Forecast: 25/01/26 to 31/01/26. Timezone: UTC+0.00