Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Full Moon 99%

21:20

05:42

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

Sun - Rise: 05:44, Set: 20:18, Transit: 13:01. Moon - Rise: 21:20, Set: 05:42. Civil Dark: 20:56 - 05:06. Nautical Dark: 21:44 - 04:15. Astro Dark: 22:43 - 03:16

Total Clouds (% Sky Obscured)

97
98
91
75
37
75
87
83
87
89
82
87
61
29
24
5
51
69
59
31
47
88
81
82

Low Clouds (% Sky Obscured)

95
86
69
74
39
74
86
82
83
87
79
78
58
34
31
4
46
66
54
26
29
67
70
58

Medium Clouds (% Sky Obscured)

31
2
0
0
0
0
0
0
0
33
0
16
0
0
0
0
0
0
0
0
0
10
3
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
10
28
75
80
77

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
0
0
1
3
13
1
4
2
1
1
3
0
0
0
0
0
3
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
6
7
10
11
11
11
11
11
10
10
10
9
8
5
3
2
1
2
3
3
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
71
72
72
65
60
58
57
59
63
61
61
60
65
74
81
83
83
79
79
85
86
83
78

Pressure (mb)

1020
1019
1019
1019
1019
1018
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1013
1013
1012
1011
1010
1009

Ozone (du)

402
404
405
403
404
402
400
401
404
408
411
410
412
412
410
407
405
404
405
406
408
409
411
412

Thursday 25

Waning Gibbous 96%

22:40

05:57

05 Bad
06 Bad
07 Bad
08 OK
09 OK
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

Sun - Rise: 05:42, Set: 20:20, Transit: 13:01. Moon - Rise: 22:40, Set: 05:57. Civil Dark: 20:58 - 05:04. Nautical Dark: 21:47 - 04:13. Astro Dark: 22:46 - 03:12

Total Clouds (% Sky Obscured)

100
99
54
40
38
52
88
97
100
100
98
100
77
83
95
89
91
90
92
97
100
100
100
100

Low Clouds (% Sky Obscured)

2
55
45
37
45
57
86
90
81
83
82
80
57
56
72
68
74
70
67
63
62
29
43
40

Medium Clouds (% Sky Obscured)

39
90
58
43
40
4
50
53
63
85
58
41
36
32
24
14
2
26
50
61
67
91
85
85

High Clouds (% Sky Obscured)

100
97
25
4
0
0
0
0
0
3
16
20
17
17
62
66
74
75
84
87
98
100
100
95

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
None
None
None

Precipitation Probability (%)

0
0
0
2
2
5
16
26
34
32
30
27
22
24
15
4
1
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
5
6
8
11
11
11
11
11
11
10
9
8
5
4
4
4
4
3
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
94
91
79
70
66
63
61
68
65
67
66
73
75
82
84
88
94
96
96
94
94
94
94

Pressure (mb)

1008
1008
1007
1007
1006
1006
1005
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

412
413
414
415
415
416
416
415
413
413
413
414
414
414
415
416
417
418
419
421
424
423
422
422

Friday 26

Waning Gibbous 91%

23:58

06:17

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:40, Set: 20:21, Transit: 13:01. Moon - Rise: 23:58, Set: 06:17. Civil Dark: 21:00 - 05:02. Nautical Dark: 21:49 - 04:10. Astro Dark: 22:49 - 03:09

Total Clouds (% Sky Obscured)

99
98
92
98
99
97
99
97
99
95
100
93
94
92
98
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

25
25
19
35
30
32
43
58
80
84
86
88
89
84
81
79
99
100
73
80
87
91
98
92

Medium Clouds (% Sky Obscured)

86
85
76
50
96
85
78
78
96
92
100
88
89
66
43
89
75
99
100
100
100
100
100
100

High Clouds (% Sky Obscured)

87
55
34
62
66
69
73
60
51
2
0
0
3
16
41
46
80
89
94
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
2
7
8
25
20
24
20
14
7
2
1
10
41
53
67
89
95
94

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
0.6
0.9
0.6

Wind Speed/Direction (mph)

4
4
5
7
8
8
9
8
8
7
8
8
8
8
9
8
9
10
12
12
11
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
93
85
79
72
68
65
64
66
65
67
69
72
76
79
82
84
82
82
81
80
83
85

Pressure (mb)

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

Ozone (du)

423
424
426
428
430
432
433
433
434
435
438
440
441
440
440
439
439
438
436
435
434
436
438
439

Saturday 27

Waning Gibbous 83%

01:11

06:46

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:38, Set: 20:23, Transit: 13:01. Moon - Rise: 01:11, Set: 06:46. Civil Dark: 21:01 - 04:57. Nautical Dark: 21:51 - 04:07. Astro Dark: 22:53 - 03:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
93
88
99
98
98
97
98
99
99
100
100
100

Low Clouds (% Sky Obscured)

89
86
88
88
87
81
75
72
70
70
70
66
51
44
50
56
67
73
78
79
76
76
88
92

Medium Clouds (% Sky Obscured)

100
100
100
98
100
100
93
100
91
75
67
66
72
61
60
57
54
51
51
64
62
93
100
100

High Clouds (% Sky Obscured)

100
100
97
100
100
38
43
52
54
58
55
53
45
28
48
46
48
58
78
89
93
97
100
98

ISS Passover

Visibility (miles)

9
9
9
9
6
7
6
1
0
0
9
7
7
4
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
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

87
89
84
80
77
61
78
71
38
35
48
57
58
37
20
37
22
30
34
39
43
46
59
95

Precipitation Amount (mm)

0.5
0.4
0.4
0.3
0.6
0
0.6
0.4
0
0
0
0.3
0.4
0
0
0
0
0
0
0
0
0
0
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
2
3
3
5
5
6
6
7
8
10
10
10
10
8
7
6
6
6
6
5
5
6

Dew Point (°C)

3
3
4
6
7
9
9
10
10
11
11
11
11
10
10
10
10
9
9
9
9
9
9
9

Relative Humidity (%)

83
82
83
90
95
98
96
96
98
98
96
92
90
89
92
95
98
96
98
98
96
98
96
98

Pressure (mb)

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

Ozone (du)

441
443
445
446
445
443
438
433
432
431
428
428
427
425
423
420
417
417
419
420
419
416
414
416

Sunday 28

Waning Gibbous 81%

02:10

07:30

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
00 OK
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:36, Set: 20:25, Transit: 13:00. Moon - Rise: 02:10, Set: 07:30. Civil Dark: 21:03 - 04:55. Nautical Dark: 21:54 - 04:05. Astro Dark: 22:56 - 03:01

Total Clouds (% Sky Obscured)

100
100
87
72
65
73
85
78
97
82
86
96
100
88
75
61
49
45
40
35
51
64
81
85

Low Clouds (% Sky Obscured)

92
91
73
54
39
51
65
81
88
76
76
75
60
61
34
34
34
32
31
32
43
54
66
67

Medium Clouds (% Sky Obscured)

100
100
75
49
12
10
19
27
39
50
62
81
100
71
56
29
0
0
0
0
1
1
1
27

High Clouds (% Sky Obscured)

100
100
92
83
75
75
70
1
12
23
37
82
100
70
51
39
29
16
9
1
4
7
8
23

ISS Passover

Visibility (miles)

0
0
0
9
9
9
9
8
6
7
9
7
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

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

Precipitation Probability (%)

95
95
95
79
40
53
67
71
80
79
84
85
86
84
37
30
17
17
12
0
1
1
1
13

Precipitation Amount (mm)

1.9
1.3
0.8
0.4
0
0
0.3
0.3
0.5
0.4
0.5
0.6
0.6
0.6
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
100
95
92
86
79
75
74
83
80
83
87
89
89
90
90
91
91
93
95
95
93
93

Pressure (mb)

1000
1000
1000
1000
1001
1001
1002
1002
1002
1003
1003
1003
1003
1004
1004
1008
1008
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

417
417
418
422
425
429
431
438
442
439
435
433
432
434
435
437
439
442
441
440
440
438
436
435

Monday 29

Waning Gibbous 74%

02:53

08:31

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 OK
00 OK
01 OK
02 OK
03 Good
04 Good

Sun - Rise: 05:34, Set: 20:26, Transit: 13:00. Moon - Rise: 02:53, Set: 08:31. Civil Dark: 21:05 - 04:53. Nautical Dark: 21:56 - 04:02. Astro Dark: 23:00 - 02:57

Total Clouds (% Sky Obscured)

90
99
99
100
100
97
93
87
87
89
90
82
80
75
69
62
56
46
36
27
23
14
2
12

Low Clouds (% Sky Obscured)

67
68
77
89
100
96
91
87
86
84
82
77
73
68
63
53
44
36
25
16
11
6
1
7

Medium Clouds (% Sky Obscured)

52
75
79
81
82
78
77
76
56
39
23
24
26
30
22
13
0
0
0
1
0
0
0
0

High Clouds (% Sky Obscured)

31
37
37
36
36
30
18
9
6
3
0
0
0
0
1
1
2
2
2
2
8
14
20
26

ISS Passover

Visibility (miles)

9
9
9
8
6
5
5
6
7
8
8
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
18
28
40
53
62
69
74
69
67
69
63
53
35
30
22
6
5
3
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
11
12
12
13
14
14
15
15
15
15
15
14
13
12
10
9
8
8
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
5
6
5
5
5
5
9
9
9
9
9
9
9
9
10
9
9
8
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
95
93
91
88
84
81
81
84
84
86
87
88
90
93
95
95
94
93
94
96
96

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1013
1013
1014
1015
1015
1015
1015
1015
1015
1016

Ozone (du)

437
439
441
442
443
444
444
444
444
440
437
434
434
434
434
432
431
430
429
428
427
427
427
427

Tuesday 30

Waning Gibbous 64%

03:22

09:49

05 OK
06 OK
07 OK
08 OK
09 OK
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

Sun - Rise: 05:32, Set: 20:28, Transit: 13:00. Moon - Rise: 03:22, Set: 09:49. Civil Dark: 21:07 - 04:51. Nautical Dark: 21:58 - 03:59. Astro Dark: 23:03 - 02:53

Total Clouds (% Sky Obscured)

19
32
30
32
33
46
62
75
81
86
91
94
97
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

13
23
25
26
25
29
32
35
38
42
45
35
26
17
16
13
15
29
43
58

Medium Clouds (% Sky Obscured)

0
0
0
1
2
17
32
45
59
72
86
68
53
38
53
75
100
98
95
93

High Clouds (% Sky Obscured)

29
35
38
40
38
35
32
29
31
33
30
50
74
99
99
99
99
99
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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
1
3
4
11
15
17
21
22
24
27
28
25
38
42
41

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

6
6
6
8
10
12
13
14
15
15
15
16
14
13
13
12
11
11
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
90
84
80
75
71
68
72
74
78
79
80
81
86
87
90
91
93

Pressure (mb)

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

Ozone (du)

427
427
427
428
428
429
429
429
429
429
429
429
428
427
427
426
425
423
423
423

Forecast for Northampton, Northamptonshire, United Kingdom (52.24,-0.89)

Generated: 24/04/24 05:04:18. Forecast: 24/04/24 to 30/04/24. Timezone: UTC+1.00