Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 99%

22:30

05:59

00 OK
01 OK
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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:42, Set: 20:14, Transit: 12:58. Moon - Rise: 22:30, Set: 05:59. Civil Dark: 20:50 - 05:06. Nautical Dark: 21:37 - 04:19. Astro Dark: 22:33 - 03:23

Total Clouds (% Sky Obscured)

46
33
93
100
85
94
91
98
98
94
98
100
100
100
100
97
100
100
97
100
98
86
91
97

Low Clouds (% Sky Obscured)

45
37
30
39
68
52
91
72
94
51
42
38
49
78
89
76
74
87
88
93
58
61
68
81

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
9
4
13
22
9
72
63
44
51
50
67
43
96
55
38
58
74
79

High Clouds (% Sky Obscured)

3
19
32
66
70
59
60
81
84
85
94
99
97
95
77
56
50
61
63
68
60
57
13
10

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
0
0
1
9
30
47
40
12
14
24
32
47
48
55
69
52
51
45
34
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0.3
0
0
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

1
3
2
3
2
2
2
2
4
9
13
12
12
10
10
9
12
10
11
9
9
6
4
3

Chance of Frost

Temperature (°C)

4
1
2
2
2
2
2
3
6
9
10
11
12
11
11
11
11
10
10
9
9
8
8
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
86
82
81
82
86
84
76
78
82
82
72
60
56
71
72
71
78
78
93
93
98
94
94

Pressure (mb)

1013
1013
1012
1011
1010
1009
1009
1008
1008
1007
1006
1005
1005
1004
1004
1004
1003
1003
1003
1002
1002
1002
1002
1002

Ozone (du)

414
409
410
412
412
412
414
416
418
420
420
418
418
419
419
418
417
417
418
420
423
424
426
427

Friday 26

Waning Gibbous 96%

23:48

06:21

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:40, Set: 20:15, Transit: 12:58. Moon - Rise: 23:48, Set: 06:21. Civil Dark: 20:52 - 05:04. Nautical Dark: 21:40 - 04:16. Astro Dark: 22:36 - 03:20

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

88
93
95
94
91
90
90
89
100
100
97
94
100
100
99
100
95
90
87
83
93
95
100
100

Medium Clouds (% Sky Obscured)

94
92
96
98
82
66
32
37
42
95
94
97
94
84
64
84
44
82
86
49
81
96
100
100

High Clouds (% Sky Obscured)

59
62
66
80
60
92
55
55
55
60
78
84
21
0
0
34
60
52
52
100
95
95
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
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

47
50
52
55
67
59
50
44
30
23
14
14
16
13
10
19
8
6
11
8
7
7
11
32

Precipitation Amount (mm)

0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
1
2
3
4
5
7
8
9
9
10
10
10
9
10
10
10
9
9
9
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
94
94
96
96
94
94
94
93
93
88
87
82
81
80
82
82
82
84
84
87
93

Pressure (mb)

1002
1002
1001
1001
1001
1001
1001
1002
1003
1003
1003
1003
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

428
429
428
428
429
430
430
430
432
436
437
438
439
440
440
439
439
439
439
434
431
431
432
432

Saturday 27

Waning Gibbous 91%

No Rise

06:51

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:39, Set: 20:17, Transit: 12:58. Moon - Rise: No Rise, Set: 06:51. Civil Dark: 20:54 - 05:01. Nautical Dark: 21:42 - 04:14. Astro Dark: 22:39 - 03:17

Total Clouds (% Sky Obscured)

100
98
95
97
100
96
91
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

86
82
79
83
82
77
79
66
90
94
89
62
39
81
81
100
100
100
87
92
100
92
87
85

Medium Clouds (% Sky Obscured)

100
96
90
88
97
57
18
7
50
55
55
57
100
60
100
100
100
100
94
100
100
100
100
100

High Clouds (% Sky Obscured)

98
76
75
86
100
29
60
91
87
100
100
100
100
92
100
84
99
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
8
9
8
4
9
9
9
9
9
9
9
9
9
9
6
4
9
9
9
3
2
5
3

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

Precipitation Probability (%)

46
47
32
9
8
10
7
4
19
13
11
39
45
63
95
95
95
95
90
95
95
95
91
79

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1.3
0.7
0.7
0.5
0.6
1.9
0.8
0.6
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
94
94
98
96
93
93
90
82
87
76
71
72
80
87
95
96
95
95
95
96
98
98

Pressure (mb)

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

Ozone (du)

432
432
434
436
437
437
437
437
436
436
434
432
428
427
427
427
427
429
427
425
424
424
421
421

Sunday 28

Waning Gibbous 83%

No Rise

07:36

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:37, Set: 20:19, Transit: 12:58. Moon - Rise: No Rise, Set: 07:36. Civil Dark: 20:56 - 04:59. Nautical Dark: 21:44 - 04:11. Astro Dark: 22:42 - 03:13

Total Clouds (% Sky Obscured)

100
100
98
79
93
100
100
100
100
96
80
78
52
68
89
90
81
46
22
44
51
59
60
56

Low Clouds (% Sky Obscured)

94
96
84
68
89
100
100
95
90
80
68
71
59
58
59
51
34
26
19
38
45
52
52
43

Medium Clouds (% Sky Obscured)

98
100
76
75
75
75
74
63
51
41
45
42
45
53
63
70
61
18
4
1
0
0
0
0

High Clouds (% Sky Obscured)

100
100
84
48
40
35
89
62
20
23
20
13
0
3
48
50
44
19
3
0
0
4
3
0

ISS Passover

Visibility (miles)

3
1
3
9
9
9
9
9
9
7
5
5
6
9
7
7
9
5
9
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

65
85
95
95
95
95
95
95
95
92
75
57
39
38
44
43
46
52
48
34
14
9
8
8

Precipitation Amount (mm)

0.3
0.5
1
1.4
1.1
0.9
0.7
0.9
0.9
0.8
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
9
10
10
10
11
12
14
15
15
16
17
17
17
15
14
16
14
13
11
8
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
96
95
93
93
91
93
93
91
90
91
87
84
81
84
83
83
84
87
91
95
95
95

Pressure (mb)

999
999
999
999
999
999
999
999
1000
1001
1002
1003
1004
1005
1005
1006
1006
1007
1007
1008
1009
1010
1011
1012

Ozone (du)

424
424
429
430
438
441
442
440
439
442
441
442
442
442
442
442
441
443
439
436
435
435
430
427

Monday 29

Waning Gibbous 74%

01:58

08:37

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

Sun - Rise: 05:35, Set: 20:20, Transit: 12:57. Moon - Rise: 01:58, Set: 08:37. Civil Dark: 20:58 - 04:57. Nautical Dark: 21:46 - 04:09. Astro Dark: 22:45 - 03:10

Total Clouds (% Sky Obscured)

43
50
63
43
42
42
42
43
46
46
48
57
40
37
76
44
29
37
20
66
61
62
61
59

Low Clouds (% Sky Obscured)

42
54
66
37
34
34
34
34
33
38
42
49
35
33
31
35
22
10
0
1
2
3
2
1

Medium Clouds (% Sky Obscured)

0
0
0
0
5
10
17
26
36
45
30
15
0
0
0
0
0
0
38
28
14
0
0
0

High Clouds (% Sky Obscured)

0
0
1
2
9
16
22
25
25
24
23
23
25
15
59
11
0
58
70
70
55
45
40
39

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 (%)

3
5
7
2
4
4
2
3
5
5
27
24
17
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
93
94
93
91
88
84
84
76
72
67
66
65
66
68
69
75
83
85
85
87
85

Pressure (mb)

1012
1013
1013
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1018
1017
1017
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

428
426
426
427
428
428
425
422
419
418
418
419
421
425
428
427
425
423
419
417
418
418
418
418

Tuesday 30

Waning Gibbous 64%

02:42

09:53

00 Bad
01 OK
02 OK
03 OK
04 OK
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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:33, Set: 20:22, Transit: 12:57. Moon - Rise: 02:42, Set: 09:53. Civil Dark: 21:00 - 04:55. Nautical Dark: 21:48 - 04:06. Astro Dark: 22:48 - 03:06

Total Clouds (% Sky Obscured)

53
44
35
20
37
68
100
97
94
92
94
96
98
99
99
99
100
100
100
100
100
100
96
89

Low Clouds (% Sky Obscured)

0
0
0
0
2
4
5
22
39
56
67
77
87
89
91
91
89
85
82
75
66
57
51
45

Medium Clouds (% Sky Obscured)

0
13
19
19
14
25
40
60
77
90
93
95
97
94
92
90
82
75
67
69
69
76
68
56

High Clouds (% Sky Obscured)

39
49
49
40
53
77
100
77
55
36
44
63
80
85
85
90
95
95
95
94
91
91
79
68

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
4
5
3
11
15
19
30
36
40
40
39
38
34
28
21
46
54
59
53
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
5
5
5
5
4
5
7
7
8
9
10
10
9
9
10
9
10
10
11
11
11
11

Dew Point (°C)

6
5
5
5
5
6
6
7
8
9
10
10
11
10
11
11
12
11
11
12
11
10
9
9

Relative Humidity (%)

82
81
81
82
82
84
87
88
87
84
83
87
92
93
95
96
98
96
95
95
95
96
96
96

Pressure (mb)

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

Ozone (du)

418
418
417
417
416
414
412
411
410
410
409
410
411
412
412
412
412
411
411
411
411
410
410
410

Wednesday 1

Third Quarter 53%

03:13

11:18

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 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 Good
22 Good
23 Good

Sun - Rise: 05:31, Set: 20:23, Transit: 12:57. Moon - Rise: 03:13, Set: 11:18. Civil Dark: 21:01 - 04:53. Nautical Dark: 21:51 - 04:04. Astro Dark: 22:52 - 03:03

Total Clouds (% Sky Obscured)

84
89
95
100
87
71
54
50
55
63
80
87
91
71
51
31
26
22
25
29
20
8
7
4

Low Clouds (% Sky Obscured)

39
31
26
21
20
22
24
26
25
24
33
44
53
56
58
59
47
34
21
24
27
32
33
34

Medium Clouds (% Sky Obscured)

48
64
81
96
74
57
42
33
24
20
15
10
5
4
3
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

56
70
84
98
81
62
44
33
23
13
24
33
41
29
19
8
7
7
7
6
3
1
1
1

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 (%)

50
47
45
43
36
26
1
7
9
11
10
10
8
14
16
16
14
10
1
1
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)

1
1
2
2
2
2
3
3
4
5
6
7
7
8
8
9
9
9
9
8
7
7
7
7

Chance of Frost

Temperature (°C)

9
8
8
8
8
8
9
9
11
12
14
15
15
16
17
17
17
17
16
16
14
13
11
10

Feels Like (°C)

10
10
8
8
8
7
8
7
10
10
11
11
12
13
17
16
16
16
16
15
15
15
14
14

Dew Point (°C)

8
8
8
7
7
8
8
8
9
10
11
11
11
11
11
12
12
12
12
12
11
11
10
9

Relative Humidity (%)

96
96
96
95
95
95
95
95
90
86
83
79
74
72
71
70
68
71
74
78
83
87
93
91

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1010
1011
1011
1011
1011

Ozone (du)

409
409
410
411
412
412
412
412
410
408
406
407
407
407
407
406
405
404
404
403
402
402
401
401

Forecast for Southgate, West Sussex, United Kingdom (51.11,-0.19)

Generated: 25/04/24 05:04:41. Forecast: 25/04/24 to 01/05/24. Timezone: UTC+1.00