Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 99%

22:36

05:54

00 Bad
01 Good
02 Good
03 OK
04 OK
05 Good
06 Good
07 Good
08 OK
09 Good
10 Bad
11 OK
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: 20:16, Transit: 12:58. Moon - Rise: 22:36, Set: 05:54. Civil Dark: 20:54 - 05:01. Nautical Dark: 21:43 - 04:12. Astro Dark: 22:42 - 03:13

Total Clouds (% Sky Obscured)

84
0
0
29
38
0
0
0
33
20
86
44
59
71
100
96
95
95
99
99
100
98
96
89

Low Clouds (% Sky Obscured)

55
44
47
46
39
70
69
60
70
58
77
69
98
88
74
82
65
64
82
85
78
53
22
13

Medium Clouds (% Sky Obscured)

0
0
0
5
50
46
86
81
64
45
33
88
84
86
67
55
47
45
55
52
54
51
55
51

High Clouds (% Sky Obscured)

59
75
84
77
100
100
92
55
35
3
2
9
0
1
30
24
14
2
2
2
2
4
28
31

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9
9
8
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
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
0
0
0
0
0
0
0
0
1
1
46
45
35
41
32
35
31
16
6
1

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)

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

Chance of Frost

Temperature (°C)

2
3
2
1
2
3
3
4
5
7
8
9
10
10
9
9
10
10
9
7
7
6
5
5

Feels Like (°C)

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

Dew Point (°C)

0
0
-0
0
0
0
0
1
1
2
3
4
6
5
4
6
8
8
7
6
6
5
4
4

Relative Humidity (%)

87
78
83
90
87
84
82
79
77
72
69
72
73
73
72
77
90
88
87
91
93
91
91
91

Pressure (mb)

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

Ozone (du)

419
418
416
417
418
421
423
424
424
425
425
423
426
428
429
429
428
428
428
428
429
429
429
429

Friday 26

Waning Gibbous 96%

23:55

06:14

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

Sun - Rise: 05:37, Set: 20:18, Transit: 12:57. Moon - Rise: 23:55, Set: 06:14. Civil Dark: 20:56 - 04:59. Nautical Dark: 21:45 - 04:09. Astro Dark: 22:45 - 03:09

Total Clouds (% Sky Obscured)

76
68
82
76
67
43
34
39
77
66
75
86
85
96
97
100
97
58
56
31
91
78
88
81

Low Clouds (% Sky Obscured)

13
5
3
18
29
3
3
2
65
64
50
65
60
46
32
11
59
37
40
1
1
4
12
11

Medium Clouds (% Sky Obscured)

41
42
47
57
10
2
2
3
26
29
49
57
57
54
54
58
50
27
33
33
73
65
68
76

High Clouds (% Sky Obscured)

8
24
56
54
45
35
21
33
43
33
37
41
35
3
3
13
7
3
0
1
41
18
37
11

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
0
0
0
0
0
0
1
15
15
14
15
5
14
5
4
1
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
1
-0
-1
-1
-1
0
2
4
5
6
7
8
8
8
8
8
8
7
5
3
3
1

Dew Point (°C)

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

Relative Humidity (%)

89
94
94
94
93
91
93
89
83
80
75
68
63
59
58
59
60
61
67
74
81
85
91
91

Pressure (mb)

1002
1002
1002
1002
1003
1002
1003
1003
1004
1004
1004
1004
1004
1003
1004
1003
1003
1003
1003
1003
1004
1004
1005
1005

Ozone (du)

430
431
431
428
426
425
426
427
427
430
434
437
439
439
438
440
442
444
446
446
446
446
446
446

Saturday 27

Waning Gibbous 91%

No Rise

06:43

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: 05:35, Set: 20:20, Transit: 12:57. Moon - Rise: No Rise, Set: 06:43. Civil Dark: 20:58 - 04:56. Nautical Dark: 21:48 - 04:07. Astro Dark: 22:49 - 03:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
85
100
99
53
91
100
100
100
100
100
100
100
100
100
100
100
100
89
100

Low Clouds (% Sky Obscured)

29
46
47
35
38
23
30
30
28
70
84
86
98
100
99
91
92
93
98
87
84
70
48
41

Medium Clouds (% Sky Obscured)

100
100
100
100
100
74
100
100
65
62
55
57
57
56
53
100
100
100
100
100
92
77
72
82

High Clouds (% Sky Obscured)

43
100
100
100
63
77
100
92
67
48
34
77
100
100
100
100
100
100
75
100
99
100
74
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
7
9
9
9
9
9
9
9
9
9
9
9
9
5
9
7

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

Precipitation Probability (%)

1
5
7
7
7
9
27
38
26
11
3
4
2
3
12
11
12
12
12
24
47
43
50
68

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
93
93
91
91
91
91
89
91
94
95
93
93
91
91
87
88
90
90
90
91
95
94
98

Pressure (mb)

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

Ozone (du)

443
441
438
436
435
432
432
433
434
436
436
433
433
434
434
432
431
428
428
427
424
424
426
428

Sunday 28

Waning Gibbous 83%

01:07

07:27

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: 05:33, Set: 20:21, Transit: 12:57. Moon - Rise: 01:07, Set: 07:27. Civil Dark: 21:00 - 04:54. Nautical Dark: 21:50 - 04:04. Astro Dark: 22:52 - 03:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
97
90
91
91
91
91
81
63
64
68
62
76
67
57

Low Clouds (% Sky Obscured)

44
50
62
73
73
76
78
77
77
76
72
70
72
64
52
49
52
43
38
38
44
48
39
29

Medium Clouds (% Sky Obscured)

98
100
100
100
100
100
99
100
83
100
77
46
35
56
70
88
47
45
64
64
31
31
21
11

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
70
65
81
91
34
81
46
8
1
0
1
55
55
2
0
4
4

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

62
55
76
41
50
57
49
51
54
40
30
29
36
28
40
62
35
22
21
4
4
1
2
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
100
98
98
98
94
90
88
84
74
72
77
77
77
95
95
87
90
93
93
94
93

Pressure (mb)

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

Ozone (du)

432
433
433
432
433
434
437
440
443
444
451
452
452
449
446
445
443
441
431
426
424
425
426
429

Monday 29

Waning Gibbous 74%

02:06

08:28

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

Sun - Rise: 05:31, Set: 20:23, Transit: 12:57. Moon - Rise: 02:06, Set: 08:28. Civil Dark: 21:02 - 04:52. Nautical Dark: 21:52 - 04:02. Astro Dark: 22:56 - 02:58

Total Clouds (% Sky Obscured)

52
53
50
52
59
24
31
34
41
46
51
59
69
63
62
48
77
76
71
59
45
30
25
20

Low Clouds (% Sky Obscured)

20
23
27
30
40
31
41
35
34
31
33
36
39
37
39
35
42
40
37
25
12
0
0
0

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
9
17
26
32
39
45
38
34
26
17
9
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
2
0
0
0
0
0
6
8
11
23
32
40
30
17
0
40
35
35
45
50
55
45
45

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 (%)

4
1
1
0
0
0
0
0
0
0
0
4
12
0
5
11
5
15
2
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)

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

Chance of Frost

Temperature (°C)

7
6
6
5
5
5
5
5
7
9
11
12
13
14
15
15
15
15
14
13
11
9
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
93
93
93
91
94
93
84
77
72
67
62
58
56
54
57
64
69
75
81
82
81
81

Pressure (mb)

1013
1013
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019

Ozone (du)

432
436
436
437
442
439
437
439
439
441
441
441
439
435
433
431
429
426
426
425
422
421
422
421

Tuesday 30

Waning Gibbous 64%

02:49

09:45

00 Good
01 OK
02 OK
03 OK
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: 05:29, Set: 20:25, Transit: 12:57. Moon - Rise: 02:49, Set: 09:45. Civil Dark: 21:04 - 04:50. Nautical Dark: 21:55 - 03:59. Astro Dark: 22:59 - 02:54

Total Clouds (% Sky Obscured)

15
26
33
45
53
66
75
85
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
9
17
24
24
25
32
33
35
34
49
64
79
86
93
100
95
90
86
78
70
62
65
72

Medium Clouds (% Sky Obscured)

0
8
15
23
30
37
52
68
80
91
79
71
65
68
74
75
81
87
93
95
98
100
100
100

High Clouds (% Sky Obscured)

50
46
42
46
55
64
80
83
81
79
86
93
100
90
80
75
87
92
100
98
96
93
96
98

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
1
1
0
10
13
12
29
40
50
46
43
41
42
41
38
48
53
57
64
74

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
6
6
6
6
7
8
8
10
12
14
13
13
12
13
13
13
13
13
13
12
12
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
83
82
82
84
87
88
84
83
80
84
89
93
95
95
95
93
95
93
95
98
100
100

Pressure (mb)

1019
1018
1018
1018
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1013
1013
1013
1013

Ozone (du)

419
419
419
418
417
418
419
419
419
419
418
417
415
414
415
415
416
415
414
414
412
410
408
406

Wednesday 1

Third Quarter 53%

03:19

11:12

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: 05:27, Set: 20:26, Transit: 12:57. Moon - Rise: 03:19, Set: 11:12. Civil Dark: 21:06 - 04:48. Nautical Dark: 21:57 - 03:56. Astro Dark: 23:03 - 02:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
95
90
85
80
78
73
80
87
93
85
75
64
71
77
83
84
83

Low Clouds (% Sky Obscured)

79
78
78
80
80
78
79
76
72
71
65
60
56
62
70
81
74
67
60
63
66
68
67
62

Medium Clouds (% Sky Obscured)

100
99
98
97
85
75
64
56
43
30
34
38
43
34
26
18
13
8
3
5
8
11
7
4

High Clouds (% Sky Obscured)

100
99
99
98
91
75
51
41
36
30
33
44
48
50
52
47
49
41
25
28
41
55
47
42

ISS Passover

Visibility (miles)

5
3
2
1
1
4
7
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

88
95
95
95
95
83
54
47
35
2
9
11
11
23
27
24
22
32
35
23
14
1
1
1

Precipitation Amount (mm)

0.6
1
1.3
1.5
1
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
10
9
9
9
9
9
10
11
13
14
15
16
17
17
18
17
16
15
13
12
10
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
98
100
100
100
100
100
96
93
92
89
86
86
83
83
82
83
87
90
92
93
95
96

Pressure (mb)

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

Ozone (du)

404
402
401
399
398
399
400
401
400
400
399
396
394
391
389
388
387
386
386
385
384
383
382
381

Forecast for Bourn, Cambridgeshire, United Kingdom (52.20,-0.05)

Generated: 25/04/24 11:11:58. Forecast: 25/04/24 to 01/05/24. Timezone: UTC+1.00