Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 4

Waning Gibbous 88%

20:41

09:01

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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 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)

85
95
91
82
67
53
48
55
87
100
96
97
100
100
100
99
100
100
100
95
100
99
99
96

Low Clouds (% Sky Obscured)

36
38
35
22
44
4
15
16
22
30
33
50
43
80
81
71
58
50
50
58
67
62
52
45

Medium Clouds (% Sky Obscured)

14
9
2
4
2
2
0
3
82
100
58
95
100
98
67
90
97
100
100
67
79
79
75
73

High Clouds (% Sky Obscured)

40
40
33
0
0
0
1
31
46
17
16
35
96
100
97
36
96
100
53
78
51
85
71
20

ISS Passover

Visibility (miles)

7
9
7
9
9
9
9
7
9
9
9
9
9
9
9
9
9
9
9
9
8
0
0
0

Fog (%)

3
2
0
23
3
2
2
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
3
4
1
2
0
0
0
0
3
8
4
5
9
11
26
47
49
51
55

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
9
10
11
15
19
16
16
17
18
18
18
17
18
22
21
20
21
22
22
22
23
24
25

Chance of Frost

Temperature (°C)

3
5
6
6
7
8
7
7
7
7
7
7
7
6
6
7
7
7
7
7
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
85
84
82
81
82
87
87
85
85
82
84
87
85
82
87
82
82
87
88
93
94
93

Pressure (mb)

990
990
990
990
989
989
988
988
988
988
988
987
987
986
986
985
984
984
983
982
981
981
981
980

Ozone (du)

479
481
480
477
475
474
472
468
469
471
471
472
471
467
460
452
443
441
446
449
448
444
444
445

Thursday 5

Waning Gibbous 81%

21:58

09:01

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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:47, Set: 17:11, Transit: 12:30. Moon - Rise: 21:58, Set: 09:01. Civil Dark: 17:47 - 07:11. Nautical Dark: 18:27 - 06:31. Astro Dark: 19:07 - 05:51

Total Clouds (% Sky Obscured)

97
94
93
79
87
91
91
99
99
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

48
53
48
60
71
63
66
58
70
66
68
62
63
51
59
55
47
52
42
49
62
57
68
45

Medium Clouds (% Sky Obscured)

32
27
45
79
83
90
61
25
81
56
90
99
100
100
98
100
100
100
100
100
100
100
100
85

High Clouds (% Sky Obscured)

32
25
20
15
20
25
31
90
72
82
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

0
1
7
7
7
7
7
1
1
1
1
1
1
1
1
1
7
9
7
4
4
5
4
7

Fog (%)

0
9
20
9
8
0
0
2
5
1
4
2
11
5
0
0
0
6
0
0
0
0
0
1

Precipitation Type

None
None
Very Light Rain
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
Very Light Rain

Precipitation Probability (%)

49
52
62
49
22
34
26
11
9
9
23
52
53
59
62
66
67
73
95
95
95
95
83
70

Precipitation Amount (mm)

0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
0.6
0.7
0.6
0.4
0.2

Wind Speed/Direction (mph)

27
27
26
25
24
22
21
19
18
18
18
18
17
17
16
16
16
17
18
20
19
20
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
6
6
7
7
7
7
7
7
7
7
7
6
6
6
6
5
5
5
5

Relative Humidity (%)

93
93
90
88
90
91
91
94
94
91
93
93
93
93
93
93
91
90
90
90
90
90
90
88

Pressure (mb)

980
980
980
980
980
980
981
981
981
981
981
981
982
982
982
982
982
981
981
982
982
982
982
982

Ozone (du)

448
447
443
438
441
431
427
426
429
426
421
418
416
419
422
422
423
427
434
434
431
432
432
434

Friday 6

Waning Gibbous 72%

23:14

09:10

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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

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

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
91
100
100
100
100
90
100
96
96
95
97
98
99
86
97
97
97
93

Low Clouds (% Sky Obscured)

63
59
85
87
100
100
88
72
75
77
79
65
69
75
72
46
50
40
56
52
44
47
50
47

Medium Clouds (% Sky Obscured)

91
95
89
72
70
67
67
67
87
100
93
3
64
3
8
50
55
65
52
3
45
46
22
18

High Clouds (% Sky Obscured)

93
55
35
86
69
44
60
56
94
97
63
26
48
25
33
56
61
58
53
56
37
32
22
10

ISS Passover

Visibility (miles)

9
9
7
7
4
4
4
4
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
6
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

64
61
65
65
82
86
85
58
45
40
25
11
8
5
2
1
1
2
1
0
0
2
4
2

Precipitation Amount (mm)

0
0
0.3
0
0.6
0.7
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
16
14
12
11
10
10
9
9
7
6
6
6
6
6
5
6
6
6
6
6
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
6
7
7
7
7
7
7
7
7
7
7
6
6
6
6
6
5
5
6
6
6
7

Relative Humidity (%)

88
88
90
93
87
84
88
87
88
88
88
87
87
81
81
84
88
90
91
93
93
93
91
93

Pressure (mb)

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

Ozone (du)

436
437
436
431
429
430
428
425
424
423
422
420
417
416
417
416
415
416
416
414
415
416
419
420

Saturday 7

Waning Gibbous 63%

00:30

09:21

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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:44, Set: 17:14, Transit: 12:30. Moon - Rise: 00:30, Set: 09:21. Civil Dark: 17:50 - 07:08. Nautical Dark: 18:31 - 06:28. Astro Dark: 19:10 - 05:48

Total Clouds (% Sky Obscured)

72
42
66
96
100
84
100
100
100
100
99
99
99
95
93
100
100
100
100
99
99
99
99
99

Low Clouds (% Sky Obscured)

49
42
66
80
85
80
70
64
61
76
86
84
90
92
93
99
99
98
96
93
91
91
90
90

Medium Clouds (% Sky Obscured)

37
33
43
40
45
50
60
100
100
96
91
86
79
64
46
49
47
44
82
62
52
42
34
17

High Clouds (% Sky Obscured)

6
1
0
32
61
84
97
94
92
79
68
62
48
26
31
28
24
36
56
14
19
13
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

26
40
50
64
75
86
77
80
95
95
88
70
64
57
53
39
33
28
37
44
46
51
56
59

Precipitation Amount (mm)

0
0
0
0.3
0.4
0.5
0.4
0.4
0.6
0.7
0.6
0.4
0.3
0.2
0.3
0
0
0
0
0
0
0
0.2
0.3

Wind Speed/Direction (mph)

9
9
9
10
10
10
10
11
12
13
14
15
16
16
15
15
14
14
13
12
11
11
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
87
81
80
78
82
81
84
88
91
91
88
90
90
93
93
93
93
93
93
93
93
95
95

Pressure (mb)

992
992
993
993
993
992
992
993
993
994
994
995
995
996
996
997
997
998
998
998
999
999
999
1000

Ozone (du)

421
421
423
423
422
420
417
414
414
414
415
416
418
419
420
422
423
426
428
430
433
436
438
437

Sunday 8

Waning Gibbous 53%

01:45

09:34

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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:42, Set: 17:16, Transit: 12:30. Moon - Rise: 01:45, Set: 09:34. Civil Dark: 17:52 - 07:06. Nautical Dark: 18:32 - 06:26. Astro Dark: 19:12 - 05:46

Total Clouds (% Sky Obscured)

97
96
96
97
97
97
57
91
85
100
99
84
98
97
97
98
98
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

87
84
83
83
81
79
57
68
64
66
63
73
71
56
52
55
59
62
69
80
92
89
86
81

Medium Clouds (% Sky Obscured)

10
5
1
0
0
0
15
30
72
100
99
84
46
22
1
14
30
45
70
90
100
100
100
100

High Clouds (% Sky Obscured)

0
0
3
3
0
3
27
33
45
61
76
84
72
43
20
35
65
75
83
92
100
100
99
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
7
6
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

Very Light Rain
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 (%)

54
48
39
36
29
22
25
20
9
7
12
9
9
8
5
12
12
11
23
30
35
39
40
38

Precipitation Amount (mm)

0.2
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
6
6
5
4
4
3
2
2
3
4
4
5
5
6
7
7
8
10
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
7
7
7
7
8
8
5
5
4
4
4
4
4
3
3
3
3
3
3
3
3
2

Dew Point (°C)

7
7
7
7
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
5
5
5
5

Relative Humidity (%)

93
91
90
84
81
80
80
82
90
91
90
90
88
88
90
90
88
88
87
85
84
81
82
84

Pressure (mb)

1001
1001
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1002
1002
1002
1001
1001
1000
1000
999
999
998
998
998

Ozone (du)

438
446
454
458
459
452
441
439
444
429
415
415
420
424
426
422
419
416
412
414
416
418
414
411

Monday 9

Third Quarter 43%

03:00

09:50

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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:40, Set: 17:18, Transit: 12:30. Moon - Rise: 03:00, Set: 09:50. Civil Dark: 17:54 - 07:04. Nautical Dark: 18:34 - 06:24. Astro Dark: 19:14 - 05:45

Total Clouds (% Sky Obscured)

100
99
99
98
98
99
100
100
97
97
86
70
54
54
63
70
83
95
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

74
63
56
54
51
48
34
19
9
15
21
22
22
27
31
44
50
64
71
82
90
91
87
85

Medium Clouds (% Sky Obscured)

98
98
97
98
97
97
96
95
93
70
47
27
40
48
54
56
67
78
85
91
97
90
85
81

High Clouds (% Sky Obscured)

84
64
46
32
22
4
5
9
10
15
11
6
3
2
1
17
33
49
55
54
56
39
27
14

ISS Passover

Visibility (miles)

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

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
Very 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

Precipitation Probability (%)

42
45
45
56
67
78
71
58
37
34
33
29
39
42
43
41
37
30
33
41
43
54
57
59

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
15
17
18
19
19
20
19
18
17
15
15
15
14
14
14
14
15
15
16
17
17
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
88
90
90
90
90
88
88
90
90
90
90
90
90
90
90
90
90
90
90
88
90

Pressure (mb)

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

Ozone (du)

408
408
408
408
407
405
404
406
407
409
411
413
415
407
400
392
397
402
407
413
418
424
413
401

Tuesday 10

Waning Crescent 34%

04:11

10:12

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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:38, Set: 17:20, Transit: 12:30. Moon - Rise: 04:11, Set: 10:12. Civil Dark: 17:56 - 07:03. Nautical Dark: 18:36 - 06:22. Astro Dark: 19:15 - 05:43

Total Clouds (% Sky Obscured)

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)

87
90
87
90
95
99
100
100
100
99
98
97
97
98
100
100
100
100
94
87
81

Medium Clouds (% Sky Obscured)

87
93
99
78
66
49
46
56
65
74
87
99
99
99
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

38
61
85
91
92
90
64
40
15
40
70
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

3
2
1
0
2
5
7
7
7
7
5
2
0
0
0
0
0
0
0
0
0

Fog (%)

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
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 (%)

69
76
82
95
95
95
95
89
71
76
79
77
83
89
93
95
95
95
95
95
95

Precipitation Amount (mm)

0.3
0.5
0.7
0.7
0.9
0.9
0.6
0.6
0.4
0.5
0.5
0.4
0.6
0.7
0.7
0.9
1.2
1.2
1.1
1.2
1.1

Wind Speed/Direction (mph)

15
16
17
17
18
20
22
18
15
11
13
14
16
16
16
16
17
18
20
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
93
95
93
91
90
91
91
93
93
93
95
95
95
95
95
95
96
96
95

Pressure (mb)

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

Ozone (du)

389
386
382
378
374
370
366
364
361
359
357
354
352
352
353
353
354
355
356
356
356

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

Generated: 04/02/26 09:41:17. Forecast: 04/02/26 to 10/02/26. Timezone: UTC+0.00