Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 96%

22:45

06:22

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:45, Set: 20:25, Transit: 13:06. Moon - Rise: 22:45, Set: 06:22. Civil Dark: 21:03 - 05:07. Nautical Dark: 21:52 - 04:18. Astro Dark: 22:51 - 03:18

Total Clouds (% Sky Obscured)

91
85
79
93
98
100
100
100
100
92
85
72
85
98
100
100
100
100
97
81
91
88
89
88

Low Clouds (% Sky Obscured)

65
44
36
54
78
78
61
35
41
47
30
14
18
51
59
37
26
39
25
30
51
54
69
58

Medium Clouds (% Sky Obscured)

39
34
21
14
55
78
70
81
96
87
80
83
72
81
87
99
100
100
90
49
35
54
80
65

High Clouds (% Sky Obscured)

40
30
63
79
95
100
100
91
52
48
56
68
58
72
94
67
37
38
57
40
31
9
72
83

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 (%)

1
0
0
5
2
1
0
0
0
0
0
0
0
0
1
5
5
6
5
15
6
20
19
7

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)

7
4
3
4
4
3
3
4
4
4
4
3
4
6
7
7
6
5
5
5
6
6
6
7

Chance of Frost

Temperature (°C)

8
7
7
6
6
5
5
5
4
3
2
3
4
6
7
9
10
11
11
12
12
12
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
90
91
93
94
93
90
88
88
88
91
89
82
74
65
58
54
52
50
52
59
66
70
73

Pressure (mb)

1002
1002
1002
1003
1003
1002
1002
1002
1003
1003
1003
1003
1004
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

423
425
428
431
433
435
437
438
438
437
436
439
444
446
447
447
447
448
447
446
447
448
447
447

Friday 26

Waning Gibbous 90%

00:04

06:52

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:43, Set: 20:27, Transit: 13:06. Moon - Rise: 00:04, Set: 06:52. Civil Dark: 21:05 - 05:05. Nautical Dark: 21:54 - 04:15. Astro Dark: 22:54 - 03:14

Total Clouds (% Sky Obscured)

75
100
100
100
100
100
100
99
97
99
97
98
94
93
100
100
99
100
96
90
89
91
88
83

Low Clouds (% Sky Obscured)

29
43
55
59
56
65
63
69
70
74
76
89
84
81
100
100
96
100
83
81
82
80
48
45

Medium Clouds (% Sky Obscured)

68
100
100
96
98
100
100
98
87
95
88
81
77
79
90
89
71
51
57
50
48
83
81
75

High Clouds (% Sky Obscured)

13
43
50
65
97
86
81
57
80
88
70
70
70
75
75
44
0
58
55
55
60
60
50
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
4
1
1
0
5
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
6
16
5
6
11
14
19
24
27
40
67
67
57
51
39
34
30
30
25
21
8
2
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
8
7
8
8
8
8
8
8
8
9
9
11
11
10
11
11
10
10
10
10
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
79
84
83
83
86
88
91
88
90
89
88
94
98
96
96
98
95
95
95
93
91
93
91

Pressure (mb)

1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

449
451
452
454
452
453
453
451
451
449
448
448
448
449
449
452
450
446
444
443
439
436
432
429

Saturday 27

Waning Gibbous 83%

01:16

07:36

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:41, Set: 20:28, Transit: 13:06. Moon - Rise: 01:16, Set: 07:36. Civil Dark: 21:07 - 05:03. Nautical Dark: 21:56 - 04:13. Astro Dark: 22:58 - 03:10

Total Clouds (% Sky Obscured)

78
51
65
100
100
100
100
100
84
77
41
29
26
85
73
96
69
70
70
73
71
68
69
62

Low Clouds (% Sky Obscured)

33
11
26
41
25
39
28
25
25
25
20
20
20
85
49
15
41
49
49
57
54
41
51
40

Medium Clouds (% Sky Obscured)

74
58
57
49
82
100
100
100
84
77
41
30
30
30
67
94
57
57
52
33
39
51
24
15

High Clouds (% Sky Obscured)

20
20
54
100
100
100
100
81
55
60
60
62
50
47
27
2
9
15
2
0
0
0
0
4

ISS Passover

Visibility (miles)

9
9
9
9
9
6
4
4
4
8
3
6
6
4
6
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
Very Light Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
1
3
10
35
64
73
74
62
74
77
64
73
68
48
38
35
29
32
35
42
49
49
42

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
7
6
6
5
5
4
4
4
4
3
4
5
7
9
10
11
11
12
12
13
12
12
11

Feels Like (°C)

5
4
3
2
1
1
0
-0
-1
-0
-1
-1
1
3
4
6
8
8
9
10
10
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
94
94
94
96
96
96
96
96
96
96
96
95
95
92
86
76
63
66
59
65
74

Pressure (mb)

1004
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1005
1005
1006
1007
1007
1008
1008
1008
1009
1009
1009
1010
1011

Ozone (du)

429
433
433
436
435
435
436
436
437
439
439
442
443
444
446
444
441
439
437
438
443
445
447
447

Sunday 28

Waning Gibbous 74%

02:15

08:37

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

Sun - Rise: 05:40, Set: 20:30, Transit: 13:06. Moon - Rise: 02:15, Set: 08:37. Civil Dark: 21:09 - 05:01. Nautical Dark: 21:59 - 04:10. Astro Dark: 23:01 - 03:07

Total Clouds (% Sky Obscured)

48
21
17
9
4
24
44
62
62
58
57
49
48
39
61
67
88
96
98
91
93
65
56
40

Low Clouds (% Sky Obscured)

25
2
1
0
0
0
0
0
2
3
5
20
34
48
53
48
51
48
39
33
47
27
29
20

Medium Clouds (% Sky Obscured)

7
0
0
0
0
0
2
2
18
30
46
30
16
0
11
22
37
37
33
32
23
13
1
1

High Clouds (% Sky Obscured)

7
11
11
7
3
19
36
47
35
31
33
20
11
4
5
9
21
83
91
66
64
41
26
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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 (%)

29
5
5
2
0
0
0
0
0
0
0
0
0
1
19
24
25
41
29
10
20
7
2
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
4
4
5
5
5
8
10
13
14
15
15
15
16
17
15
14
13

Chance of Frost

Temperature (°C)

9
8
7
6
6
5
4
4
4
4
4
5
7
9
10
12
13
14
14
14
15
14
13
13

Feels Like (°C)

8
6
6
5
5
4
3
3
2
3
3
4
5
6
7
8
9
9
10
10
10
10
11
10

Dew Point (°C)

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

Relative Humidity (%)

77
84
87
86
86
88
89
93
93
94
96
94
88
82
77
71
65
64
73
63
64
70
72
76

Pressure (mb)

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

Ozone (du)

445
443
439
439
439
441
444
444
441
440
441
442
442
441
441
440
440
442
442
439
438
438
438
438

Monday 29

Waning Gibbous 64%

02:58

09:54

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

Sun - Rise: 05:38, Set: 20:32, Transit: 13:05. Moon - Rise: 02:58, Set: 09:54. Civil Dark: 21:11 - 04:59. Nautical Dark: 22:01 - 04:08. Astro Dark: 23:05 - 03:03

Total Clouds (% Sky Obscured)

20
2
4
8
12
9
7
25
28
32
29
58
69
75
78
83
97
98
98
99
99
98
98
94

Low Clouds (% Sky Obscured)

10
0
0
0
0
2
3
5
26
35
28
38
30
21
40
61
82
77
75
76
76
74
73
69

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
8
15
25
50
72
94
95
96
98
92
87
80
67

High Clouds (% Sky Obscured)

10
2
3
5
7
5
3
45
45
29
12
44
59
80
68
57
37
23
8
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
5
5
5
6
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
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
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
11
16
17
47
62
72
74
79
86
85
77
62
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
8
7
6
6
5
4
4
4
5
5
5
7
9
11
12
13
14
12
11
10
9
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
7
7
6
6
6
5
3
3
3
4
5
6
7
7
8
8
11
11
11
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

83
91
95
91
90
91
91
93
91
85
86
90
88
87
84
86
86
86
89
92
93
95
95
95

Pressure (mb)

1015
1015
1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011

Ozone (du)

435
432
430
429
431
433
437
433
429
430
433
437
438
440
441
442
443
445
445
446
447
444
442
440

Tuesday 30

Waning Gibbous 53%

03:28

11:21

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:36, Set: 20:33, Transit: 13:05. Moon - Rise: 03:28, Set: 11:21. Civil Dark: 21:12 - 04:56. Nautical Dark: 22:03 - 04:05. Astro Dark: 23:08 - 02:59

Total Clouds (% Sky Obscured)

89
84
85
87
89
81
76
73
60
52
49
61
77
94
96
98
100
100
100
100
83
68
57
69

Low Clouds (% Sky Obscured)

65
61
64
66
69
58
46
28
28
29
32
39
54
66
77
89
100
93
85
82
76
77
66
75

Medium Clouds (% Sky Obscured)

53
40
50
56
58
58
59
59
53
47
45
47
53
60
60
64
64
58
47
34
22
13
3
3

High Clouds (% Sky Obscured)

0
0
1
2
3
15
32
52
32
17
1
18
35
59
56
46
36
32
31
33
26
14
2
4

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

Precipitation Probability (%)

38
7
7
5
0
0
0
0
1
2
1
5
7
8
23
46
66
75
58
20
26
27
15
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
11
11
11
11
9
9
9
9
9
9
10
10
10
11
10
11
13
13
13
13
14
14

Dew Point (°C)

12
11
10
10
9
9
9
8
8
8
9
9
10
10
11
11
11
11
12
12
13
13
14
14

Relative Humidity (%)

95
93
93
93
95
96
96
96
98
96
98
98
95
92
87
86
84
82
83
84
86
87
87
89

Pressure (mb)

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

Ozone (du)

435
430
425
424
423
422
422
421
420
418
416
415
413
412
411
409
408
406
403
401
398
396
395
393

Wednesday 1

Third Quarter 41%

03:48

12:51

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

Sun - Rise: 05:34, Set: 20:35, Transit: 13:05. Moon - Rise: 03:48, Set: 12:51. Civil Dark: 21:14 - 04:54. Nautical Dark: 22:06 - 04:02. Astro Dark: 23:12 - 02:55

Total Clouds (% Sky Obscured)

84
96
98
99
100
100
100
100
100
100
99
94
89
84
83
83
83

Low Clouds (% Sky Obscured)

84
92
94
95
97
97
97
97
98
98
99
94
88
84
83
83
83

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

6
7
12
17
21
26
30
30
45
51
51
42
30
18
12
6
0

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
12
12
10
1
2
3
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
13
13
12
12
11
11
11
11
11
10
11
12
13
14
15

Feels Like (°C)

13
12
12
12
11
11
10
9
9
9
8
8
8
9
9
10
10

Dew Point (°C)

13
12
12
12
11
11
10
9
9
9
9
8
9
9
10
10
11

Relative Humidity (%)

90
92
93
93
92
92
90
90
88
88
88
85
84
83
80
78
76

Pressure (mb)

1017
1018
1018
1018
1018
1019
1019
1019
1018
1019
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

392
391
390
389
389
389
388
387
387
385
384
383
383
382
381
381
380

Forecast for Northwick, Worcestershire, United Kingdom (52.21,-2.22)

Generated: 25/04/24 20:30:55. Forecast: 25/04/24 to 01/05/24. Timezone: UTC+1.00