Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 99%

22:33

06:00

00 Bad
01 Good
02 OK
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: 05:44, Set: 20:16, Transit: 13:00. Moon - Rise: 22:33, Set: 06:00. Civil Dark: 20:52 - 05:07. Nautical Dark: 21:40 - 04:20. Astro Dark: 22:36 - 03:24

Total Clouds (% Sky Obscured)

66
0
48
55
60
68
75
74
73
65
77
95
100
100
100
100
99
99
100
100
97
100
95
98

Low Clouds (% Sky Obscured)

68
24
64
65
44
93
85
81
65
26
25
47
89
88
84
76
89
86
90
80
85
84
83
86

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
5
2
33
55
80
86
66
73
80
85
88
54
45
78
54
60

High Clouds (% Sky Obscured)

3
14
41
31
80
76
58
61
61
44
48
58
53
63
51
73
65
90
90
100
47
44
58
58

ISS Passover

Visibility (miles)

-
-
-
-
9
9
9
9
9
9
9
9
9
9
9
7
7
6
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
19
26
12
11
12
22
26
42
47
59
87
72
54
59
54
49
39

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
0.4
0.3
0.4
0.3
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
82
81
82
85
85
74
72
75
79
65
57
55
60
68
61
78
85
90
93
95
96
96
96

Pressure (mb)

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

Ozone (du)

411
409
409
412
413
414
415
417
420
419
418
418
417
417
418
419
419
419
421
423
425
426
427
429

Friday 26

Waning Gibbous 96%

23:50

06:21

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: 05:42, Set: 20:17, Transit: 12:59. Moon - Rise: 23:50, Set: 06:21. Civil Dark: 20:54 - 05:05. Nautical Dark: 21:42 - 04:17. Astro Dark: 22:39 - 03:20

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
99
97
95
96
100
97
98
94
100
98
93
99
97
92
99
100
100
100

Low Clouds (% Sky Obscured)

78
81
79
91
92
90
87
81
81
84
90
88
82
90
87
96
90
81
82
90
97
94
84
83

Medium Clouds (% Sky Obscured)

100
88
100
94
75
48
73
67
60
93
100
94
95
90
95
88
72
55
85
60
88
94
100
100

High Clouds (% Sky Obscured)

84
90
98
95
92
99
55
55
60
63
56
17
24
0
0
4
45
33
54
87
71
85
86
98

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

Precipitation Probability (%)

19
25
32
45
50
47
41
39
32
25
18
16
22
16
16
22
24
22
14
20
28
15
10
18

Precipitation Amount (mm)

0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
5
5
4
4
4
3
2
3
3
4
5
6
6
6
6
6
6
6
5
5
4
4

Dew Point (°C)

7
7
7
6
6
6
5
5
4
4
4
3
4
4
4
3
4
5
6
5
5
5
6
6

Relative Humidity (%)

96
94
96
96
96
96
96
96
90
86
82
78
74
72
69
64
66
74
80
77
78
84
87
88

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1004
1004
1003

Ozone (du)

430
430
429
428
428
429
431
433
434
436
437
438
437
437
439
437
437
437
437
434
430
428
430
431

Saturday 27

Waning Gibbous 91%

No Rise

06:52

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: 05:40, Set: 20:19, Transit: 12:59. Moon - Rise: No Rise, Set: 06:52. Civil Dark: 20:56 - 05:02. Nautical Dark: 21:44 - 04:15. Astro Dark: 22:42 - 03:17

Total Clouds (% Sky Obscured)

100
100
99
98
99
92
92
98
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

79
74
71
69
73
64
68
80
83
89
98
98
61
77
87
79
100
98
91
91
89
97
100
96

Medium Clouds (% Sky Obscured)

100
100
98
96
97
32
34
49
59
60
61
60
62
64
65
100
100
100
100
94
100
100
100
100

High Clouds (% Sky Obscured)

100
92
75
75
86
18
11
25
77
50
100
100
87
100
100
100
100
53
100
92
100
100
100
100

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

18
32
28
7
5
6
3
2
6
19
27
35
45
58
75
95
95
95
83
81
95
95
92
89

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.7
1.2
0.7
0.5
0.3
0.5
1.2
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
93
94
94
94
94
94
94
95
87
81
76
72
75
87
93
95
95
96
95
96
96
96

Pressure (mb)

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

Ozone (du)

432
433
434
434
437
437
437
438
435
436
436
434
430
428
427
427
426
429
426
425
425
426
426
424

Sunday 28

Waning Gibbous 83%

01:01

07:37

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 OK
21 OK
22 Bad
23 Bad

Sun - Rise: 05:38, Set: 20:20, Transit: 12:59. Moon - Rise: 01:01, Set: 07:37. Civil Dark: 20:58 - 05:00. Nautical Dark: 21:46 - 04:12. Astro Dark: 22:45 - 03:14

Total Clouds (% Sky Obscured)

100
100
100
100
95
94
100
99
98
97
79
87
77
71
90
92
85
78
74
48
26
34
65
60

Low Clouds (% Sky Obscured)

100
100
100
93
88
84
91
89
88
88
60
68
54
47
49
68
53
59
68
43
19
15
45
45

Medium Clouds (% Sky Obscured)

100
100
100
76
75
75
70
71
58
49
47
44
40
38
71
68
56
53
4
2
5
1
2
0

High Clouds (% Sky Obscured)

100
100
65
95
57
50
45
35
30
27
20
11
1
12
45
45
45
28
3
0
0
10
3
0

ISS Passover

Visibility (miles)

4
5
0
1
9
9
9
9
9
9
8
5
6
7
8
6
3
3
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

55
85
95
95
95
95
95
95
95
73
75
69
44
41
50
66
69
68
64
33
20
6
9
16

Precipitation Amount (mm)

0
0.5
0.9
1.2
1.2
1.3
1.5
1.2
0.7
0
0.3
0.3
0
0
0
0.4
0.5
0.5
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
7
7
9
11
12
12
13
13
12
15
15
15
14
12
13
11
10
9
8
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
96
94
93
93
93
94
91
87
90
83
76
75
81
83
86
88
95
96
98
96

Pressure (mb)

1000
999
999
999
999
999
1000
1000
1000
1001
1001
1002
1003
1004
1004
1005
1005
1006
1007
1008
1009
1010
1011
1011

Ozone (du)

424
425
429
430
437
442
442
440
440
441
441
439
440
440
440
439
441
444
441
437
435
432
429
425

Monday 29

Waning Gibbous 74%

02:00

08:38

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

Sun - Rise: 05:36, Set: 20:22, Transit: 12:59. Moon - Rise: 02:00, Set: 08:38. Civil Dark: 21:00 - 04:58. Nautical Dark: 21:48 - 04:10. Astro Dark: 22:48 - 03:10

Total Clouds (% Sky Obscured)

60
53
12
11
21
32
39
38
38
38
52
94
80
52
59
62
54
43
39
66
65
65
60
65

Low Clouds (% Sky Obscured)

45
44
12
14
20
26
29
35
34
39
47
78
70
37
31
23
19
18
18
1
1
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
14
27
41
40
40
39
33
35
33
37
42
46
36
23
8
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
15
30
40
36
29
25
19
13
7
4
2
0
0
0
70
70
65
60
50
50

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
2
2
1
2
1
0
1
3
4
19
23
15
1
3
1
1
1
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
5
5
5
5
5
6
9
11
12
13
13
13
13
13
12
10
9
8
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
93
93
91
85
81
75
66
61
58
56
57
59
61
67
77
83
87
91
91

Pressure (mb)

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

Ozone (du)

427
429
431
430
431
431
429
427
424
422
419
418
421
422
424
426
425
424
421
420
421
421
421
421

Tuesday 30

Waning Gibbous 64%

02:44

09:54

00 Bad
01 Bad
02 OK
03 OK
04 OK
05 OK
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

Sun - Rise: 05:34, Set: 20:24, Transit: 12:59. Moon - Rise: 02:44, Set: 09:54. Civil Dark: 21:02 - 04:56. Nautical Dark: 21:51 - 04:07. Astro Dark: 22:51 - 03:07

Total Clouds (% Sky Obscured)

55
50
45
35
34
38
42
67
83
100
99
98
98
97
96
96
98
99
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
1
1
1
14
26
37
49
61
76
74
75
76
74
76
77
78
80
81
77
70

Medium Clouds (% Sky Obscured)

0
5
7
11
13
24
40
55
77
88
90
91
92
88
86
83
79
74
66
62
58
54
64
73

High Clouds (% Sky Obscured)

50
50
50
45
44
43
39
57
72
84
77
77
85
90
90
90
93
98
100
99
99
98
88
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
2
3
4
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

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

Precipitation Probability (%)

0
0
0
0
0
1
0
6
8
10
27
35
40
45
48
49
37
26
16
41
49
54
47
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
85
82
79
81
81
84
83
81
80
84
89
95
95
96
98
98
98
100
100
100
100
98

Pressure (mb)

1017
1017
1016
1016
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1011
1012
1012
1012
1012

Ozone (du)

420
420
419
418
417
416
415
414
413
412
411
411
412
412
412
412
412
412
412
412
412
411
410
411

Wednesday 1

Third Quarter 53%

03:16

11:19

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 OK
17 OK
18 OK
19 OK
20 OK
21 Good
22 OK
23 OK

Sun - Rise: 05:32, Set: 20:25, Transit: 12:59. Moon - Rise: 03:16, Set: 11:19. Civil Dark: 21:03 - 04:54. Nautical Dark: 21:53 - 04:05. Astro Dark: 22:54 - 03:03

Total Clouds (% Sky Obscured)

98
99
99
100
95
90
85
90
94
97
97
98
100
82
65
43
36
32
28
24
17
9
9
9

Low Clouds (% Sky Obscured)

63
60
57
55
57
58
61
65
69
74
71
69
67
55
43
33
29
26
23
27
31
38
41
47

Medium Clouds (% Sky Obscured)

85
79
74
70
66
57
47
37
29
25
20
15
11
9
5
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

72
82
90
100
81
64
47
34
21
7
22
39
63
48
28
10
9
8
8
6
4
3
2
2

ISS Passover

Visibility (miles)

8
9
9
9
9
6
3
0
3
6
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

53
52
51
50
37
24
3
7
9
9
9
8
6
12
13
12
14
11
1
2
2
0
0
0

Precipitation Amount (mm)

0
0.2
0.2
0.3
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
2
2
2
2
2
2
3
4
4
5
6
6
7
7
8
8
8
8
8
7
7
7
7

Chance of Frost

Temperature (°C)

10
9
9
9
8
9
9
10
10
11
12
13
14
16
16
17
18
18
17
17
16
14
13
12

Feels Like (°C)

10
10
8
8
8
7
8
7
10
10
10
10
10
11
15
15
16
16
17
18
16
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
98
98
98
98
98
95
93
90
84
80
75
71
66
63
67
73
78
83
87
92
92

Pressure (mb)

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

Ozone (du)

411
412
412
413
413
414
414
415
413
411
410
410
410
410
409
409
408
407
405
403
402
401
400
400

Forecast for Guildford, Surrey, United Kingdom (51.24,-0.57)

Generated: 25/04/24 04:39:43. Forecast: 25/04/24 to 01/05/24. Timezone: UTC+1.00