Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Gibbous 100%

20:00

05:39

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
05 OK
06 OK
07 OK
08 Bad
09 Bad

Sun - Rise: 05:41, Set: 20:13, Transit: 12:58. Moon - Rise: 20:00, Set: 05:39. Civil Dark: 20:50 - 05:03. Nautical Dark: 21:38 - 04:15. Astro Dark: 22:36 - 03:17

Total Clouds (% Sky Obscured)

86
89
92
92
99
97
88
88
89
81
53
37
56
70
61
80
63
69
70
24
23
40
70
87

Low Clouds (% Sky Obscured)

100
99
93
95
98
70
79
90
92
75
62
50
56
67
56
74
51
23
21
19
25
39
62
83

Medium Clouds (% Sky Obscured)

69
59
48
48
18
0
0
0
0
0
1
0
0
3
3
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

82
69
47
79
83
77
5
3
3
2
4
0
0
4
0
0
4
51
53
5
0
0
4
2

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
3
11
62
44
20
19
15
13
16
4
3
4
1
1
1
0
0
0
4
1
1
2
6

Precipitation Amount (mm)

0
0
0
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
85
74
75
84
78
62
69
69
71
76
88
90
89
82
82
75
76
82
85
88
80
68
62

Pressure (mb)

1023
1023
1023
1022
1022
1022
1022
1022
1021
1021
1022
1022
1021
1021
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018

Ozone (du)

393
393
394
394
391
393
396
400
403
404
406
407
407
411
418
419
415
413
411
411
410
410
409
412

Wednesday 24

Full Moon 99%

21:17

05:54

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Good
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

Sun - Rise: 05:39, Set: 20:14, Transit: 12:58. Moon - Rise: 21:17, Set: 05:54. Civil Dark: 20:52 - 05:01. Nautical Dark: 21:41 - 04:12. Astro Dark: 22:39 - 03:13

Total Clouds (% Sky Obscured)

100
96
100
100
100
99
99
82
60
23
12
54
95
59
79
90
82
100
100
100
89
61
59
90

Low Clouds (% Sky Obscured)

100
94
100
89
100
86
79
60
54
27
7
1
6
1
42
40
26
40
73
72
37
9
5
40

Medium Clouds (% Sky Obscured)

8
0
50
50
50
47
47
26
0
0
0
0
0
0
45
45
45
60
56
48
47
21
43
85

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
4
4
6
45
89
44
67
81
71
97
100
97
51
46
68
75

ISS Passover

Visibility (miles)

9
7
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 (%)

12
14
15
31
13
15
10
10
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
62
66
66
64
66
64
66
70
74
79
83
82
83
88
86
86
86
84
86
86
88
83
67

Pressure (mb)

1018
1017
1017
1017
1016
1016
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1011
1010
1010
1009
1008
1008
1007
1007

Ozone (du)

413
416
420
420
420
425
421
416
415
415
411
408
407
407
408
408
408
408
407
406
406
406
406
407

Thursday 25

Waning Gibbous 96%

22:36

06:14

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:37, Set: 20:16, Transit: 12:58. Moon - Rise: 22:36, Set: 06:14. Civil Dark: 20:54 - 04:59. Nautical Dark: 21:43 - 04:09. Astro Dark: 22:42 - 03:09

Total Clouds (% Sky Obscured)

99
97
100
100
99
100
96
97
94
91
90
93
85
85
76
96
100
100
100
98
92
93
95
97

Low Clouds (% Sky Obscured)

50
53
51
67
80
93
75
83
87
75
76
77
69
52
30
30
30
30
28
25
25
33
45
57

Medium Clouds (% Sky Obscured)

96
91
99
100
79
85
49
46
75
83
76
79
68
72
65
66
97
89
100
96
88
92
92
93

High Clouds (% Sky Obscured)

75
75
72
75
75
46
14
34
75
70
75
84
46
11
0
61
70
75
62
38
3
69
70
75

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 (%)

15
19
16
21
22
47
47
36
15
14
14
6
6
12
4
19
16
0
0
3
5
5
2
4

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
63
59
57
61
68
63
64
69
75
75
78
79
80
86
86
89
91
91
89
91
89
89
88

Pressure (mb)

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

Ozone (du)

408
408
408
408
408
408
407
406
407
409
410
412
412
412
416
418
420
422
423
423
421
420
419
420

Friday 26

Waning Gibbous 91%

23:55

06:43

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:35, Set: 20:18, Transit: 12:57. Moon - Rise: 23:55, Set: 06:43. Civil Dark: 20:56 - 04:56. Nautical Dark: 21:45 - 04:07. Astro Dark: 22:45 - 03:06

Total Clouds (% Sky Obscured)

97
97
97
98
99
100
99
98
97
97
96
95
95
94
95
96
97
99
96
93
90
84
79
73

Low Clouds (% Sky Obscured)

65
76
89
91
95
97
92
86
81
72
66
60
64
67
71
73
75
75
62
50
42
33
29
32

Medium Clouds (% Sky Obscured)

92
90
89
89
90
90
90
91
92
87
83
80
82
84
85
89
93
98
89
62
73
49
42
59

High Clouds (% Sky Obscured)

75
72
75
83
93
99
95
86
80
79
79
83
78
80
81
84
89
94
71
46
42
69
62
62

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
4
7
7
9
9
4
3
6
9
8
9
9
9
6
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
Light Rain
Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

10
11
18
23
19
42
64
67
51
44
38
59
95
95
68
68
51
37
28
24
29
6
17
34

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
0.4
0
0
0
0.2
0.9
0.8
0
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
82
85
90
87
83
88
90
90
91
95
94
98
98
96
96
96
96
94
96
96
93
86

Pressure (mb)

1005
1005
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1001
1001
1001
1001
1001
1001

Ozone (du)

423
426
427
427
428
429
429
428
429
430
431
433
434
433
433
435
437
436
438
438
436
436
436
433

Saturday 27

Waning Gibbous 83%

01:07

07:27

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:33, Set: 20:20, Transit: 12:57. Moon - Rise: 01:07, Set: 07:27. Civil Dark: 20:58 - 04:54. Nautical Dark: 21:48 - 04:04. Astro Dark: 22:49 - 03:02

Total Clouds (% Sky Obscured)

82
92
100
100
99
100
100
100
100
100
100
100
56
63
51
64
68
71
74
80
85
86
86
89

Low Clouds (% Sky Obscured)

49
57
57
72
77
90
82
76
69
70
73
77
69
75
70
66
66
66
70
75
80
72
66
61

Medium Clouds (% Sky Obscured)

73
75
99
69
85
79
94
97
100
100
100
65
65
66
61
48
31
15
11
8
5
25
46
66

High Clouds (% Sky Obscured)

77
81
100
82
73
100
93
87
84
90
96
22
20
20
20
17
12
0
1
2
3
23
40
55

ISS Passover

Visibility (miles)

6
9
7
5
9
7
9
9
3
4
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
None
None
None
None
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

48
46
47
48
53
61
53
69
95
83
48
52
59
62
67
83
69
57
48
36
17
20
23
27

Precipitation Amount (mm)

0.2
0
0
0
0
0.3
0
0.3
1
0.7
0
0
0
0
0.3
0.5
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
15
15
16
14
14
13
11
9
6
6
5
5
8
10
12
11
11
13
13
14
14
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
83
82
90
84
84
87
93
96
96
96
96
95
93
91
91
91
93
91
91
91
90
88

Pressure (mb)

1001
1000
1000
1000
1000
1000
999
999
999
999
999
998
999
998
998
998
998
999
1000
1001
1002
1002
1003
1004

Ozone (du)

435
439
440
441
440
439
438
435
431
431
433
439
440
441
442
443
442
441
440
438
436
434
433
432

Sunday 28

Waning Gibbous 74%

02:06

08:28

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 OK
23 OK
00 Good
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:31, Set: 20:21, Transit: 12:57. Moon - Rise: 02:06, Set: 08:28. Civil Dark: 21:00 - 04:52. Nautical Dark: 21:50 - 04:02. Astro Dark: 22:52 - 02:58

Total Clouds (% Sky Obscured)

90
90
90
73
50
28
26
23
23
33
41
57
40
21
1
27
57
80
79
82
81
81
81
80

Low Clouds (% Sky Obscured)

57
52
46
40
37
31
28
25
21
28
37
47
36
19
1
0
0
0
15
27
40
49
52
54

Medium Clouds (% Sky Obscured)

73
78
84
57
29
0
0
0
0
1
2
3
2
1
0
3
6
9
24
39
55
46
33
19

High Clouds (% Sky Obscured)

59
63
66
48
25
2
1
0
0
0
0
0
0
0
0
15
30
36
32
32
39
48
54
61

ISS Passover

Visibility (miles)

9
9
9
9
9
8
8
8
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 (%)

31
38
45
47
46
45
44
41
36
29
20
0
0
0
0
0
0
0
1
2
3
10
13
14

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)

18
19
20
20
20
20
20
18
16
14
12
10
9
8
8
8
8
8
8
8
8
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
80
74
69
69
70
71
74
75
76
81
84
87
90
91
93
93
93
94
95
93
93
85
80

Pressure (mb)

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

Ozone (du)

431
435
440
445
444
442
441
442
444
445
445
444
443
445
446
448
445
443
440
441
443
444
444
445

Monday 29

Waning Gibbous 64%

02:49

09:45

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 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK

Sun - Rise: 05:29, Set: 20:23, Transit: 12:57. Moon - Rise: 02:49, Set: 09:45. Civil Dark: 21:02 - 04:50. Nautical Dark: 21:52 - 03:59. Astro Dark: 22:56 - 02:54

Total Clouds (% Sky Obscured)

71
62
55
63
71
78
66
54
44
48
49
50
40
31
29
29
30
28
23
24
31

Low Clouds (% Sky Obscured)

46
43
38
50
63
76
65
54
41
42
43
44
43
39
38
42
44
46
37
30
26

Medium Clouds (% Sky Obscured)

23
28
30
20
11
0
0
0
0
0
0
0
0
1
1
1
0
0
1
3
4

High Clouds (% Sky Obscured)

38
19
0
0
0
0
0
0
0
1
2
3
3
3
3
2
2
2
6
8
11

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

Fog (%)

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

Precipitation Probability (%)

24
29
32
41
49
55
49
40
24
23
18
3
4
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
7
7
7
7
6
6
7
8
8
8
7
6
6
6
6
6
5
5
6
6

Relative Humidity (%)

73
69
63
59
58
57
56
61
68
74
77
80
82
85
87
88
90
91
91
91
91

Pressure (mb)

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

Ozone (du)

445
446
446
446
445
444
444
443
443
442
442
441
441
442
444
445
446
446
447
449
450

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

Generated: 23/04/24 10:31:15. Forecast: 23/04/24 to 29/04/24. Timezone: UTC+1.00