Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waning Gibbous 91%

23:59

06:47

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
14 Bad

Sun - Rise: 05:39, Set: 20:22, Transit: 13:01. Moon - Rise: 23:59, Set: 06:47. Civil Dark: 21:00 - 05:00. Nautical Dark: 21:49 - 04:11. Astro Dark: 22:50 - 03:09

Total Clouds (% Sky Obscured)

68
74
79
76
58
59
65
99
99
96
98
100
100
100
100
100
100
100
100
100
100
100
95
100

Low Clouds (% Sky Obscured)

46
56
44
32
11
20
35
54
51
47
33
55
49
71
77
73
77
92
91
90
93
100
91
100

Medium Clouds (% Sky Obscured)

86
99
82
32
32
26
45
65
74
94
60
99
100
100
100
100
100
100
100
100
100
90
63
78

High Clouds (% Sky Obscured)

32
71
70
65
52
27
4
19
31
4
58
100
100
100
100
100
11
55
40
61
85
15
36
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 (%)

0
0
21
19
12
1
0
1
4
10
12
11
11
11
21
35
43
42
38
38
41
34
28
21

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

Chance of Frost

Temperature (°C)

11
11
11
10
8
7
6
5
5
5
5
4
4
4
4
4
5
5
6
7
7
7
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
55
57
63
77
87
93
91
89
91
94
94
94
96
98
98
94
90
82
78
74
74
75
82

Pressure (mb)

1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

445
445
446
446
445
447
449
449
448
448
445
442
442
441
441
442
440
439
439
441
442
443
441
440

Saturday 27

Waning Gibbous 83%

01:11

07:31

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
14 Bad

Sun - Rise: 05:37, Set: 20:24, Transit: 13:01. Moon - Rise: 01:11, Set: 07:31. Civil Dark: 21:02 - 04:58. Nautical Dark: 21:52 - 04:08. Astro Dark: 22:53 - 03:06

Total Clouds (% Sky Obscured)

100
96
94
90
86
81
78
85
96
96
95
92
100
100
99
99
100
100
100
89
74
73
79
64

Low Clouds (% Sky Obscured)

100
79
67
75
68
64
63
59
77
78
83
59
62
67
73
75
68
65
74
72
67
66
67
45

Medium Clouds (% Sky Obscured)

79
59
72
61
51
44
42
50
49
81
82
82
100
100
90
89
84
63
24
3
13
10
36
49

High Clouds (% Sky Obscured)

60
55
55
60
60
59
59
75
89
58
57
70
81
56
80
45
40
47
62
55
45
15
12
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
5
5
1
0
0
0
0
0
1
2
5
9
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

18
8
10
0
0
0
1
4
15
26
23
41
90
95
95
95
77
53
54
50
43
37
37
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.6
1.2
0.6
0.7
0.4
0
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
88
88
88
90
90
91
93
96
96
96
96
98
98
98
98
98
98
98
98
98
96
96

Pressure (mb)

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

Ozone (du)

436
435
435
434
435
433
431
431
429
428
428
429
431
434
438
442
446
450
452
452
451
449
446
444

Sunday 28

Waning Gibbous 74%

02:10

08:32

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Bad
22 OK
23 Good
00 Good
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

Sun - Rise: 05:35, Set: 20:25, Transit: 13:01. Moon - Rise: 02:10, Set: 08:32. Civil Dark: 21:04 - 04:56. Nautical Dark: 21:54 - 04:05. Astro Dark: 22:56 - 03:02

Total Clouds (% Sky Obscured)

58
40
94
76
52
38
44
14
6
11
22
28
26
37
48
86
85
94
77
62
61
59
67
83

Low Clouds (% Sky Obscured)

33
30
62
63
41
34
38
8
3
6
20
24
24
23
35
43
52
59
65
62
55
49
40
34

Medium Clouds (% Sky Obscured)

31
15
53
33
17
6
15
2
2
2
3
4
2
27
20
85
86
86
80
68
56
38
51
46

High Clouds (% Sky Obscured)

14
7
2
9
13
1
1
0
0
1
2
2
1
3
2
2
28
67
62
40
22
26
38
70

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 (%)

16
13
2
9
1
1
0
0
3
0
0
0
0
0
0
0
0
0
0
1
0
0
2
11

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

Chance of Frost

Temperature (°C)

12
12
12
12
11
10
8
7
7
6
6
5
5
5
5
5
5
7
8
10
11
12
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
95
95
96
95
94
96
94
94
96
96
98
96
93
91
88
82
78
68
63
61
60

Pressure (mb)

1008
1008
1009
1009
1010
1011
1012
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1016
1015
1015
1015
1015

Ozone (du)

442
438
436
436
437
437
440
441
442
444
448
448
446
444
442
439
438
439
441
442
442
444
446
446

Monday 29

Waning Gibbous 64%

02:53

09:49

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

Sun - Rise: 05:33, Set: 20:27, Transit: 13:01. Moon - Rise: 02:53, Set: 09:49. Civil Dark: 21:06 - 04:54. Nautical Dark: 21:56 - 04:03. Astro Dark: 23:00 - 02:58

Total Clouds (% Sky Obscured)

85
69
59
50
33
20
13
11
51
8
32
22
3
18
30
41
45
48
46
50
59
59
50
43

Low Clouds (% Sky Obscured)

32
25
22
8
5
2
0
0
0
1
1
1
0
15
32
49
40
32
24
29
36
39
38
39

Medium Clouds (% Sky Obscured)

43
27
26
7
24
9
10
7
49
3
5
21
3
10
15
22
23
25
24
20
14
9
11
14

High Clouds (% Sky Obscured)

54
13
55
55
20
10
2
4
58
3
35
3
0
4
3
0
2
4
5
17
27
43
32
13

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
8
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

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 (%)

11
12
12
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
23
42
44
47

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
75
74
75
76
81
91
93
95
95
93
91
88
93
94
95
95
90
83
76
73
69
68
67

Pressure (mb)

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

Ozone (du)

444
440
437
434
430
429
428
427
427
426
426
425
426
425
424
425
424
424
426
431
433
434
436
438

Tuesday 30

Waning Gibbous 53%

03:23

11:16

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
14 Bad

Sun - Rise: 05:31, Set: 20:29, Transit: 13:01. Moon - Rise: 03:23, Set: 11:16. Civil Dark: 21:08 - 04:52. Nautical Dark: 21:59 - 04:00. Astro Dark: 23:04 - 02:54

Total Clouds (% Sky Obscured)

38
34
35
37
65
83
90
77
83
85
87
92
92
91
92
94
96
97
99
98
98
97
97
99

Low Clouds (% Sky Obscured)

37
34
28
22
26
34
38
36
32
30
35
41
44
52
63
74
77
82
86
86
84
83
82
81

Medium Clouds (% Sky Obscured)

17
21
23
23
17
9
2
20
41
59
67
61
60
63
70
72
73
81
88
85
83
79
72
67

High Clouds (% Sky Obscured)

1
1
1
3
38
68
80
41
24
12
34
50
59
62
67
74
77
81
85
81
82
84
86
93

ISS Passover

Visibility (miles)

9
6
7
6
6
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

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

Precipitation Probability (%)

54
62
68
69
45
29
16
3
1
0
1
2
1
33
47
58
46
34
22
27
28
27
27
26

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
13
11
10
8
6
6
6
6
6
6
6
6
6
6
7
7
8
9
11
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
77
80
82
86
89
93
95
96
98
98
96
98
98
96
96
98
95
93
92
92
93
92
92

Pressure (mb)

1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

439
439
439
438
435
430
426
424
421
419
416
417
417
417
415
412
410
406
403
399
396
393
391
390

Wednesday 1

Third Quarter 41%

03:44

12:46

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
14 Bad

Sun - Rise: 05:29, Set: 20:30, Transit: 13:01. Moon - Rise: 03:44, Set: 12:46. Civil Dark: 21:10 - 04:50. Nautical Dark: 22:01 - 03:58. Astro Dark: 23:07 - 02:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
100
100
97
93
90
86
82

Low Clouds (% Sky Obscured)

80
71
63
54
65
76
87
91
96
100
99
98
97
99
99
100
100
100
100
96
91
87
73
58

Medium Clouds (% Sky Obscured)

62
59
55
54
48
48
48
41
34
24
16
8
4
3
3
3
2
2
2
2
2
2
1
1

High Clouds (% Sky Obscured)

100
100
100
100
99
97
95
90
86
86
76
71
62
50
33
19
23
29
35
26
18
9
19
29

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
5
3
2
1
0
3
6
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 (%)

24
22
20
13
16
14
2
9
12
12
14
14
9
10
8
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)

12
13
12
12
13
12
12
12
12
12
12
13
13
14
14
14
14
15
16
16
17
17
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
89
89
90
90
92
93
95
95
95
96
96
96
96
96
93
93
91
91
90
86
82
79
79

Pressure (mb)

1013
1012
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012

Ozone (du)

389
388
387
386
385
384
383
382
381
380
379
377
374
372
370
369
367
367
367
367
366
366
365
365

Thursday 2

Waning Crescent 29%

03:59

14:16

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

Sun - Rise: 05:27, Set: 20:32, Transit: 13:00. Moon - Rise: 03:59, Set: 14:16. Civil Dark: 21:12 - 04:47. Nautical Dark: 22:04 - 03:55. Astro Dark: 23:11 - 02:46

Total Clouds (% Sky Obscured)

77
64
60
52
54
61
67
72
76
78
84
86
87
91
95
99

Low Clouds (% Sky Obscured)

44
43
43
43
51
59
67
67
66
63
60
57
54
59
64
70

Medium Clouds (% Sky Obscured)

0
0
0
0
7
15
20
20
21
21
16
10
4
4
5
7

High Clouds (% Sky Obscured)

40
35
35
30
33
39
43
36
29
23
41
59
76
81
83
87

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
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

Wind Speed/Direction (mph)

17
17
16
15
15
14
14
13
13
12
12
11
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
12
12
8
8
7
7
7
7
4
4
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

79
81
83
87
89
87
87
85
87
87
88
87
85
82
82
81

Pressure (mb)

1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

365
365
365
365
365
366
367
368
368
369
370
369
368
368
369
369

Forecast for Nether Heyford, Northamptonshire, United Kingdom (52.22,-1.04)

Generated: 26/04/24 14:43:06. Forecast: 26/04/24 to 02/05/24. Timezone: UTC+1.00