Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Full Moon 99%

21:24

05:52

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

Sun - Rise: 05:53, Set: 20:23, Transit: 13:08. Moon - Rise: 21:24, Set: 05:52. Civil Dark: 21:00 - 05:16. Nautical Dark: 21:47 - 04:29. Astro Dark: 22:42 - 03:30

Total Clouds (% Sky Obscured)

88
90
96
95
91
94
87
90
74
57
42
59
43
46
52
85
90
81
72
80
86
97
82
53

Low Clouds (% Sky Obscured)

75
86
87
80
77
89
76
90
73
59
33
47
34
40
50
83
87
83
78
80
87
84
67
33

Medium Clouds (% Sky Obscured)

0
22
32
43
37
39
50
4
0
0
0
22
7
0
2
5
11
4
0
0
0
14
36
1

High Clouds (% Sky Obscured)

0
0
0
0
0
6
3
10
4
0
0
0
0
0
0
0
0
0
0
0
0
39
27
5

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
20
52
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
4
15
11
18
16
7
5
2
1
2
1
2
1
1
1
7
8
15
12

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
2
2
2
3
6
7
6
6
7
7
7
6
5
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
74
76
79
75
71
70
74
77
72
62
58
57
58
58
66
67
68
68
69
70
73
75
85

Pressure (mb)

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

Ozone (du)

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

Thursday 25

Waning Gibbous 96%

22:42

06:07

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

Sun - Rise: 05:51, Set: 20:24, Transit: 13:08. Moon - Rise: 22:42, Set: 06:07. Civil Dark: 21:01 - 05:14. Nautical Dark: 21:49 - 04:26. Astro Dark: 22:45 - 03:26

Total Clouds (% Sky Obscured)

59
52
12
78
76
70
100
98
100
83
90
92
96
92
90
100
100
100
99
86
95
98
100
100

Low Clouds (% Sky Obscured)

30
3
0
48
55
39
83
67
83
44
41
52
52
59
53
45
38
15
3
3
8
5
3
29

Medium Clouds (% Sky Obscured)

27
29
1
42
3
16
17
28
38
36
44
40
43
46
43
54
88
43
95
73
85
86
81
97

High Clouds (% Sky Obscured)

12
26
15
44
37
20
50
46
40
37
68
40
38
25
73
100
100
100
84
43
53
50
45
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
0
0
0
6
0
13
31
35
35
30
27
18
19
8
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
88
85
74
69
70
81
85
88
76
67
59
57
62
68
76
85
90
88
88
88
86
86

Pressure (mb)

1009
1009
1008
1008
1008
1007
1007
1006
1006
1005
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

412
413
414
413
411
409
408
409
410
410
408
409
410
412
411
412
413
413
414
417
417
417
421
422

Friday 26

Waning Gibbous 90%

00:00

06:28

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:49, Set: 20:26, Transit: 13:08. Moon - Rise: 00:00, Set: 06:28. Civil Dark: 21:03 - 05:12. Nautical Dark: 21:51 - 04:24. Astro Dark: 22:49 - 03:23

Total Clouds (% Sky Obscured)

98
98
94
96
100
99
99
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
43
43
47
65
73
86
89
96
91
89
94
94
98
89
82
76
93
91
96
100
99
98
97

Medium Clouds (% Sky Obscured)

92
97
95
97
100
97
96
83
53
52
57
57
57
60
90
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

45
40
35
35
64
31
10
3
37
33
11
21
13
57
67
100
99
100
79
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
1
2
3
3
4
9
21
26
41
58
71
79
79
68
56
50
56
68
79
95
76
93
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.7
0.5
0.2
0
0
0.2
0.3
0.7
0.4
0.7
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
85
81
78
75
70
68
68
72
81
87
90
88
91
90
91
95
96
96
96
96
96
96

Pressure (mb)

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

Ozone (du)

424
428
430
431
432
433
435
438
440
440
440
437
435
434
433
434
434
433
433
434
434
434
437
439

Saturday 27

Waning Gibbous 88%

01:11

06:59

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:47, Set: 20:28, Transit: 13:07. Moon - Rise: 01:11, Set: 06:59. Civil Dark: 21:05 - 05:10. Nautical Dark: 21:53 - 04:21. Astro Dark: 22:52 - 03:20

Total Clouds (% Sky Obscured)

99
97
96
86
77
65
69
73
79
83
87
90
82
73
65
74
77
93
95
98
100
100
100
100

Low Clouds (% Sky Obscured)

95
94
92
82
69
56
54
55
58
63
69
75
62
49
36
40
44
49
47
44
43
65
77
86

Medium Clouds (% Sky Obscured)

96
92
87
76
16
2
27
49
19
17
22
21
18
12
13
60
43
37
42
92
100
99
100
100

High Clouds (% Sky Obscured)

88
73
12
4
31
60
24
19
35
35
30
30
27
33
40
46
37
59
67
85
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

94
82
76
66
55
25
41
38
23
29
25
28
33
46
47
49
21
2
3
5
16
42
59
65

Precipitation Amount (mm)

0.7
0.6
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0
0
0
0
0
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
94
94
96
96
90
96
95
92
83
76
79
86
90
93
96
96
96
96
96
96
96

Pressure (mb)

1001
1001
1001
1001
1001
1001
1002
1002
1002
1002
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1000
1000
1000

Ozone (du)

440
441
443
443
442
437
434
431
430
430
429
427
427
426
425
426
424
422
420
420
419
419
419
419

Sunday 28

Waning Gibbous 83%

02:10

07:43

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:45, Set: 20:29, Transit: 13:07. Moon - Rise: 02:10, Set: 07:43. Civil Dark: 21:07 - 05:08. Nautical Dark: 21:56 - 04:19. Astro Dark: 22:55 - 03:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
83
86
95
97
98
100
100
100
93
64
70
78
85
92
100
100
100
100

Low Clouds (% Sky Obscured)

92
96
100
100
100
100
86
87
93
92
95
95
94
92
79
63
71
76
64
53
39
58
75
95

Medium Clouds (% Sky Obscured)

97
100
100
98
51
49
53
57
91
55
50
86
53
96
64
12
18
23
37
53
58
58
59
64

High Clouds (% Sky Obscured)

96
100
100
26
8
0
0
4
70
72
88
100
100
100
46
14
20
26
35
51
77
78
76
75

ISS Passover

Visibility (miles)

9
9
1
1
9
9
8
9
3
9
6
4
9
6
9
9
9
9
9
9
9
9
8
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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
92
66
57
77
75
65
69
62
50
54
52
39
29
25
38
51
64

Precipitation Amount (mm)

0.7
1.4
1.4
1.3
1.1
0.9
0.7
0.6
0
0
0.3
0.3
0
0.3
0.2
0
0.2
0.2
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

9
9
9
10
10
10
11
9
9
6
9
10
10
11
12
11
10
10
10
11
11
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
9
9
9
9
10
10
9
10
10
11
9
9
10
9
9
9
9
9
9
9

Relative Humidity (%)

96
98
98
98
95
91
86
80
87
95
81
90
95
95
90
91
93
95
95
96
96
96
96
95

Pressure (mb)

1000
999
999
999
1000
1000
1000
1000
1001
1001
1002
1002
1002
1003
1004
1004
1006
1006
1007
1007
1007
1006
1006
1006

Ozone (du)

422
423
427
432
438
443
443
442
439
437
437
437
439
442
442
440
442
445
447
448
449
450
450
451

Monday 29

Waning Gibbous 74%

02:54

08:45

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:43, Set: 20:31, Transit: 13:07. Moon - Rise: 02:54, Set: 08:45. Civil Dark: 21:09 - 05:05. Nautical Dark: 21:58 - 04:16. Astro Dark: 22:58 - 03:13

Total Clouds (% Sky Obscured)

100
100
100
92
85
79
77
73
69
76
80
85
70
53
39
51
63
72
68
68
67
63
58
55

Low Clouds (% Sky Obscured)

92
90
88
80
71
62
62
63
65
74
84
92
76
57
37
43
46
48
30
24
16
17
18
17

Medium Clouds (% Sky Obscured)

59
63
62
55
51
49
40
32
23
27
31
34
26
13
0
16
32
44
34
20
6
4
2
0

High Clouds (% Sky Obscured)

53
25
0
0
0
0
0
0
0
0
0
0
2
5
7
23
37
51
53
50
49
46
47
49

ISS Passover

Visibility (miles)

6
6
5
4
5
5
5
5
5
5
6
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

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

Precipitation Probability (%)

76
85
90
81
69
55
66
75
82
76
66
47
37
25
8
10
11
10
9
6
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
11
11
12
11
11
11
12
13
15
15
14
14
12
10
8
6
5
5
6
6
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
98
96
95
93
92
90
89
83
77
72
73
75
76
80
85
90
91
90
91
91
95

Pressure (mb)

1006
1006
1006
1007
1007
1008
1009
1009
1010
1010
1011
1011
1012
1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015

Ozone (du)

451
452
454
455
451
447
443
441
438
436
434
433
431
432
432
433
431
428
426
425
424
423
422
421

Tuesday 30

Waning Gibbous 64%

03:25

10:01

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
00 Bad

Sun - Rise: 05:41, Set: 20:32, Transit: 13:07. Moon - Rise: 03:25, Set: 10:01. Civil Dark: 21:11 - 05:03. Nautical Dark: 22:00 - 04:14. Astro Dark: 23:01 - 03:09

Total Clouds (% Sky Obscured)

68
80
93
87
79
70
78
82
87
92
95
97
94
95
94
94
94
100
100
100
100

Low Clouds (% Sky Obscured)

33
49
66
67
65
60
61
63
67
64
65
66
61
51
45
45
45
50
46
45
43

Medium Clouds (% Sky Obscured)

19
38
57
52
48
48
59
71
84
86
90
89
82
72
61
46
37
24
49
74
99

High Clouds (% Sky Obscured)

57
64
67
48
46
49
41
33
35
32
34
35
41
42
36
50
73
99
99
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

3
5
5
31
42
51
64
73
81
94
95
95
95
95
95
95
76
45
33
20
2

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.3
0.3
0.6
0.8
1
1.2
1.3
1.2
0.8
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
90
88
90
91
93
93
93
96
95
96
96
98
98
98
96
98
96
96
96

Pressure (mb)

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

Ozone (du)

421
420
420
420
420
420
421
422
423
425
425
425
425
424
424
424
426
428
430
430
431

Forecast for Bristol, Bristol, United Kingdom (51.45,-2.59)

Generated: 24/04/24 04:43:32. Forecast: 24/04/24 to 30/04/24. Timezone: UTC+1.00