Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 2

Waning Gibbous 98%

17:56

08:39

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: 07:53, Set: 17:05, Transit: 12:30. Moon - Rise: 17:56, Set: 08:39. Civil Dark: 17:42 - 07:16. Nautical Dark: 18:22 - 06:35. Astro Dark: 19:02 - 05:56

Total Clouds (% Sky Obscured)

100
100
100
94
100
99
100
100
100
100
93
99
100
100
100
100
100
100
100
100
99
98
99
97

Low Clouds (% Sky Obscured)

35
30
35
31
33
39
47
51
53
44
25
34
60
50
29
51
60
45
51
55
62
90
88
87

Medium Clouds (% Sky Obscured)

100
100
60
48
40
58
100
81
80
71
84
32
76
100
100
100
100
100
100
100
98
95
90
92

High Clouds (% Sky Obscured)

96
98
87
74
100
94
100
90
100
100
64
97
100
81
70
87
70
47
45
52
48
49
51
27

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
1
1
0
0
0
1
2
7
7

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
3
1
1
4
1
0
2
3
2
4
13
48
65
57
56
53
59
57
51
50
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
14
17
17
26
25
27
27
26
25
24
23
24
24
25
26
26
27
26
25
24
23
23
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
84
84
84
83
82
82
81
79
81
82
80
83
85
91
93
93
94
94
91
88
88
88

Pressure (mb)

993
992
991
991
991
991
991
991
991
991
991
991
991
991
990
990
990
991
991
991
991
992
992
991

Ozone (du)

376
377
377
376
376
379
380
380
382
383
383
383
382
381
380
381
381
383
385
387
391
393
396
397

Tuesday 3

Waning Gibbous 94%

19:20

08:51

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: 07:51, Set: 17:07, Transit: 12:30. Moon - Rise: 19:20, Set: 08:51. Civil Dark: 17:43 - 07:14. Nautical Dark: 18:24 - 06:34. Astro Dark: 19:04 - 05:54

Total Clouds (% Sky Obscured)

97
98
96
96
97
100
98
99
99
100
98
99
100
99
93
98
100
77
65
92
73
88
49
48

Low Clouds (% Sky Obscured)

86
84
80
77
92
85
72
66
47
55
54
40
4
0
0
0
6
0
4
32
29
33
32
33

Medium Clouds (% Sky Obscured)

85
94
93
82
88
94
94
97
99
100
93
83
100
99
92
91
100
77
65
83
37
41
19
25

High Clouds (% Sky Obscured)

9
4
2
19
13
84
42
28
2
10
33
54
99
97
80
97
99
50
50
76
24
6
2
7

ISS Passover

Visibility (miles)

7
7
7
7
7
2
4
7
1
1
1
1
4
5
9
9
9
9
7
7
9
9
9
9

Fog (%)

0
0
0
3
1
0
0
0
0
0
0
0
0
7
0
0
4
0
16
9
0
6
0
2

Precipitation Type

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

Precipitation Probability (%)

55
53
51
46
44
55
45
50
50
52
50
45
59
31
6
1
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0.3
0.3
0.3
0
0
0.3
0
0.2
0.2
0.2
0.2
0
0.6
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
17
16
16
15
15
14
13
13
12
11
10
10
10
10
9
10
10
11
10
11
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
91
89
91
93
89
89
91
91
91
93
94
94
93
91
93
93
94
93
86
79
78
79

Pressure (mb)

991
991
991
991
992
991
991
991
991
991
991
991
991
991
990
990
990
990
990
990
990
990
990
990

Ozone (du)

397
399
400
404
414
433
451
463
470
469
465
466
470
467
462
457
456
460
465
466
464
462
463
463

Wednesday 4

Waning Gibbous 88%

20:41

09:01

14 Bad
15 Bad
16 OK
17 OK
18 OK
19 OK
20 Good
21 OK
22 OK
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: 07:49, Set: 17:09, Transit: 12:30. Moon - Rise: 20:41, Set: 09:01. Civil Dark: 17:45 - 07:13. Nautical Dark: 18:26 - 06:32. Astro Dark: 19:05 - 05:53

Total Clouds (% Sky Obscured)

66
46
20
14
15
14
13
17
19
85
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
11
20
14
15
14
13
8
1
6
25
21
62
80
56
56
38
37
52
56
61
57
61
66

Medium Clouds (% Sky Obscured)

43
26
0
0
0
0
0
16
15
69
78
97
94
100
100
100
100
100
100
100
94
92
95
97

High Clouds (% Sky Obscured)

23
10
1
0
0
0
0
0
1
84
96
68
99
100
100
100
100
59
68
55
98
61
64
64

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
8
7
9
9
9
9
7
7
7
7
7

Fog (%)

0
1
0
1
0
0
0
0
0
6
2
0
9
9
0
10
4
4
4
4
4
4
4
4

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
1
0
0
0
0
0
0
0
0
0
0
0
0
2
2
1
2
5
9
9
7
13
14

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
15
15
15
16
17
17
18
19
19
19
20
20
20
21
19
21
23
24
24
24
27
28
28

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
4
4
5
4
4
4
4
4
4
4
4
4
4
5
4
4
4
4
4
4
4
4
3

Relative Humidity (%)

81
78
77
84
84
85
87
84
84
84
84
85
88
88
88
85
82
83
85
88
86
90
85
83

Pressure (mb)

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

Ozone (du)

463
462
462
460
457
455
456
459
464
466
464
457
447
442
438
436
434
430
429
433
430
431
431
428

Thursday 5

Waning Gibbous 81%

21:58

09:10

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: 07:47, Set: 17:11, Transit: 12:30. Moon - Rise: 21:58, Set: 09:10. Civil Dark: 17:47 - 07:11. Nautical Dark: 18:27 - 06:31. Astro Dark: 19:07 - 05:51

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

68
64
63
59
66
72
80
77
77
77
78
80
82
70
60
48
50
55
57
66
73
82
84
86

Medium Clouds (% Sky Obscured)

100
91
67
96
93
54
38
46
54
80
97
93
90
91
95
98
80
92
73
91
92
92
94
59

High Clouds (% Sky Obscured)

76
82
90
95
75
52
30
45
68
99
83
70
63
60
51
60
46
52
88
63
25
4
35
30

ISS Passover

Visibility (miles)

6
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
2
0
0
0
0
0
1
1

Fog (%)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Precipitation Type

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

Precipitation Probability (%)

21
19
31
17
24
21
19
13
17
16
44
60
72
68
49
42
40
38
44
43
38
30
31
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

27
27
27
26
26
25
25
24
24
23
23
23
23
23
25
26
27
26
26
26
24
23
21
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
93
93
93
93
93
94
94
94
94
93
93
94
94
93
94
93
94
94
94
91
90

Pressure (mb)

984
984
984
984
984
985
985
985
985
985
985
984
984
984
985
984
984
985
985
985
985
986
986
986

Ozone (du)

424
415
409
405
404
408
413
417
417
418
421
425
428
428
424
421
421
419
418
418
420
423
426
426

Friday 6

Waning Gibbous 72%

23:14

09:21

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: 07:46, Set: 17:12, Transit: 12:30. Moon - Rise: 23:14, Set: 09:21. Civil Dark: 17:49 - 07:10. Nautical Dark: 18:29 - 06:29. Astro Dark: 19:09 - 05:50

Total Clouds (% Sky Obscured)

100
99
88
87
81
99
99
100
99
99
99
98
98
97
97
98
100
100
100
95
91
92
93
99

Low Clouds (% Sky Obscured)

89
88
80
69
77
87
87
89
91
93
87
83
77
68
59
50
52
43
37
54
67
81
74
70

Medium Clouds (% Sky Obscured)

40
35
34
75
71
90
86
77
57
60
72
61
48
41
33
23
28
21
15
17
20
21
33
42

High Clouds (% Sky Obscured)

27
17
62
57
30
74
57
38
21
14
11
12
14
13
11
16
83
81
81
72
51
24
19
18

ISS Passover

Visibility (miles)

1
1
1
1
1
1
0
0
0
0
9
9
8
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Precipitation Type

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

Precipitation Probability (%)

43
54
64
72
66
59
49
44
39
31
27
29
25
22
23
17
19
18
17
19
20
20
30
33

Precipitation Amount (mm)

0
0.3
0.4
0.6
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
17
17
17
16
15
14
14
13
13
13
13
12
12
12
12
10
10
10
10
11
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
2
1
2
2
2
2
3
3
4
3
3
4
4
4
5
6
6
6
6
6
8

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
96
96
94
96
96
96
94
91
88
88
90
93
94
94
93
91
90
87
84
80
82

Pressure (mb)

986
986
987
987
987
988
988
988
989
989
989
990
990
991
991
992
992
991
992
992
992
993
993
993

Ozone (du)

426
426
421
419
418
419
421
423
424
425
428
430
430
429
429
428
427
425
424
423
425
428
430
431

Saturday 7

Waning Gibbous 63%

00:30

09:34

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 OK
05 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:44, Set: 17:14, Transit: 12:30. Moon - Rise: 00:30, Set: 09:34. Civil Dark: 17:50 - 07:08. Nautical Dark: 18:31 - 06:28. Astro Dark: 19:10 - 05:48

Total Clouds (% Sky Obscured)

98
99
99
99
99
99
98
98
99
100
87
75
62
48
33
21
41
60
81
87
94
100
100
100

Low Clouds (% Sky Obscured)

66
70
69
71
74
84
83
85
86
88
73
57
41
29
21
12
22
34
46
62
78
91
91
93

Medium Clouds (% Sky Obscured)

55
64
71
79
56
36
18
27
43
64
77
75
62
48
33
21
37
51
67
77
86
90
79
72

High Clouds (% Sky Obscured)

17
32
42
49
54
59
66
73
81
88
87
75
62
48
33
16
12
8
4
11
18
25
28
19

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
7
9
9

Fog (%)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Precipitation Type

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
Light Rain
Very Light Rain

Precipitation Probability (%)

26
29
28
20
25
27
11
21
21
17
17
13
1
5
6
4
14
30
55
66
68
73
76
64

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
88
88
90
90
90
91
91
91
91
93
93
94
91
91
91
91
93
93
91
90
87
85

Pressure (mb)

994
994
994
995
996
996
997
997
998
998
999
999
999
1000
1000
1000
1000
1001
1001
1001
1002
1002
1002
1001

Ozone (du)

431
432
432
433
434
436
438
440
440
440
440
443
445
448
449
451
452
452
453
453
451
449
447
445

Sunday 8

Waning Gibbous 53%

01:45

09:50

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

Sun - Rise: 07:42, Set: 17:16, Transit: 12:30. Moon - Rise: 01:45, Set: 09:50. Civil Dark: 17:52 - 07:06. Nautical Dark: 18:32 - 06:26. Astro Dark: 19:12 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

96
96
96
96
94
94
96
92
84
71
70
78
87
85
84
80
83
88
93
89
84
80

Medium Clouds (% Sky Obscured)

66
48
30
13
19
25
35
52
66
78
86
94
100
100
100
100
97
94
89
89
87
87

High Clouds (% Sky Obscured)

4
2
1
1
33
66
99
99
100
100
100
100
99
84
67
50
45
41
29
47
64
83

ISS Passover

Visibility (miles)

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

Fog (%)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Precipitation Type

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

Precipitation Probability (%)

40
52
55
25
24
20
11
16
17
17
19
19
18
29
40
54
77
90
92
95
95
90

Precipitation Amount (mm)

0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.5
0.6
0.7
0.6

Wind Speed/Direction (mph)

8
9
8
7
7
8
10
11
11
11
12
12
12
12
12
12
12
13
15
16
17
17

Chance of Frost

Temperature (°C)

10
10
9
9
9
9
9
9
9
9
9
9
9
9
8
9
8
9
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1001
1001
1001
1001
1001
1001
1000
1000
999
999
998
997
996
996
995
994
993
993
993
993
993
993

Ozone (du)

443
441
434
426
419
417
415
413
414
414
414
414
414
414
411
407
404
405
407
408
409
410

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

Generated: 02/02/26 14:42:15. Forecast: 02/02/26 to 08/02/26. Timezone: UTC+0.00