Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waning Gibbous 91%

23:49

06:18

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: 05:38, Set: 20:15, Transit: 12:57. Moon - Rise: 23:49, Set: 06:18. Civil Dark: 20:53 - 05:01. Nautical Dark: 21:41 - 04:13. Astro Dark: 22:38 - 03:12

Total Clouds (% Sky Obscured)

35
41
50
55
82
74
93
94
91
89
93
90
97
71
98
98
100
94
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
3
18
14
18
33
50
49
46
50
78
77
87
56
34
48
67
69
84
90
90
100
100
100

Medium Clouds (% Sky Obscured)

59
70
69
56
39
45
79
81
76
82
58
76
75
55
96
97
100
78
54
100
100
100
100
100

High Clouds (% Sky Obscured)

28
29
14
8
53
44
41
34
37
27
34
24
3
3
45
50
28
48
48
100
100
100
100
100

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
5
3
3

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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

6
8
6
1
0
1
1
1
2
1
1
2
2
5
5
4
13
26
30
49
94
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1.4
2.3
1.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
88
80
72
61
51
46
43
42
42
49
49
51
56
66
65
68
68
69
73
91
93

Pressure (mb)

1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1003
1003
1003

Ozone (du)

432
432
433
434
437
438
439
442
442
441
441
443
443
442
440
439
439
439
438
438
438
437
438
439

Saturday 27

Waning Gibbous 88%

01:01

06:48

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: 05:37, Set: 20:17, Transit: 12:57. Moon - Rise: 01:01, Set: 06:48. Civil Dark: 20:55 - 04:59. Nautical Dark: 21:43 - 04:11. Astro Dark: 22:41 - 03:09

Total Clouds (% Sky Obscured)

100
100
100
100
98
94
91
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
89
88
85
90
83
66
71
51
44
68
49
54
59
31
65
80
84
83
92
95
100
100
100

Medium Clouds (% Sky Obscured)

100
92
79
53
40
61
83
69
89
100
100
100
100
100
100
98
93
93
94
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
67
96
78
56
54
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

3
6
5
3
2
2
2
2
1
2
9
9
8
9
8
5
5
1
1
1
1
0
0
0

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

Precipitation Probability (%)

95
95
61
35
15
16
8
7
11
25
22
43
47
42
53
58
57
53
47
45
45
62
95
95

Precipitation Amount (mm)

1.3
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
1.6
2.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
3
2
3
4
5
7
8
10
11
12
13
12
12
10
9
8
8
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
94
96
96
95
95
95
95
93
87
84
92
93
96
98
98
98
100
98
98
98
98

Pressure (mb)

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

Ozone (du)

441
444
443
442
440
439
438
438
436
433
432
435
434
432
429
428
428
424
427
427
427
429
433
434

Sunday 28

Waning Gibbous 83%

02:00

07:32

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

Sun - Rise: 05:35, Set: 20:19, Transit: 12:57. Moon - Rise: 02:00, Set: 07:32. Civil Dark: 20:56 - 04:57. Nautical Dark: 21:45 - 04:08. Astro Dark: 22:45 - 03:05

Total Clouds (% Sky Obscured)

100
100
100
94
100
100
95
93
89
100
97
97
88
59
34
39
34
31
32
23
7
11
21
31

Low Clouds (% Sky Obscured)

100
100
99
86
91
97
92
88
85
100
96
79
60
44
35
42
29
22
26
2
3
12
22
32

Medium Clouds (% Sky Obscured)

100
60
62
64
59
59
57
78
40
17
23
46
41
21
3
2
2
2
5
25
0
0
0
0

High Clouds (% Sky Obscured)

100
40
40
35
47
100
23
12
4
3
3
3
65
3
3
3
0
2
4
2
0
0
0
0

ISS Passover

Visibility (miles)

0
9
9
9
9
9
4
5
7
9
5
4
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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
67
56
59
48
41
19
6
3
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

2.5
2.3
2
0.5
0.4
0.9
1
0.3
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
96
98
95
93
93
87
87
83
84
84
81
91
87
90
88
88
88
88
93
93
94
93
94

Pressure (mb)

1000
1000
1000
1001
1001
1002
1002
1003
1004
1005
1005
1006
1007
1008
1010
1010
1011
1013
1013
1014
1014
1014
1015
1015

Ozone (du)

439
446
448
446
445
447
447
448
446
444
439
432
429
427
426
427
429
431
433
432
433
432
432
432

Monday 29

Waning Gibbous 74%

02:44

08:33

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

Sun - Rise: 05:33, Set: 20:20, Transit: 12:56. Moon - Rise: 02:44, Set: 08:33. Civil Dark: 20:58 - 04:55. Nautical Dark: 21:47 - 04:06. Astro Dark: 22:48 - 03:02

Total Clouds (% Sky Obscured)

31
26
22
40
60
74
70
65
60
49
37
23
19
15
60
20
23
29
50
69
24
17
10
0

Low Clouds (% Sky Obscured)

26
19
12
24
35
46
44
42
37
33
31
27
22
16
9
11
14
15
36
60
25
18
10
0

Medium Clouds (% Sky Obscured)

0
0
0
19
37
51
47
42
37
25
12
0
1
1
2
8
14
18
12
7
0
0
0
0

High Clouds (% Sky Obscured)

3
6
8
19
33
44
33
18
2
0
0
0
1
4
56
7
1
0
0
0
0
0
0
0

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
0
0
0
0
0
1
1
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
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
87
73
66
60
53
47
44
45
44
44
46
48
57
66
71
72
68
67
80
84
87

Pressure (mb)

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

Ozone (du)

433
435
436
437
440
439
440
442
445
446
444
441
440
437
435
434
430
429
426
421
423
426
428
429

Tuesday 30

Waning Gibbous 64%

03:14

09:50

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

Sun - Rise: 05:31, Set: 20:22, Transit: 12:56. Moon - Rise: 03:14, Set: 09:50. Civil Dark: 21:00 - 04:53. Nautical Dark: 21:50 - 04:03. Astro Dark: 22:51 - 02:58

Total Clouds (% Sky Obscured)

2
0
0
0
6
7
23
75
79
69
42
47
25
23
21
59
61
59
59
55
54
63
67
75

Low Clouds (% Sky Obscured)

2
0
0
1
3
3
13
23
35
40
31
28
20
18
17
25
26
26
36
46
54
53
52
55

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
6
11
17
11
6
3
2
2
0
47
40
38
42
50
63
69
74
84

High Clouds (% Sky Obscured)

0
0
0
0
2
2
22
70
73
43
14
51
3
5
3
16
24
17
19
19
15
16
17
18

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
2
7
54
67
67
59
54
33
23
23
18
5
18
26
28
39
47
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
9
9
9
9
9
11
11
12
12
12
12
12
11
11
11
11
11
11
11
11

Relative Humidity (%)

87
90
90
84
80
71
64
59
55
63
66
68
71
73
73
79
83
87
92
92
95
95
96
96

Pressure (mb)

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

Ozone (du)

431
430
428
426
426
424
422
423
425
423
423
423
425
429
430
431
426
422
417
415
412
410
408
406

Wednesday 1

Third Quarter 53%

03:36

11:15

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: 05:29, Set: 20:24, Transit: 12:56. Moon - Rise: 03:36, Set: 11:15. Civil Dark: 21:02 - 04:51. Nautical Dark: 21:52 - 03:58. Astro Dark: 22:54 - 02:54

Total Clouds (% Sky Obscured)

78
75
76
78
80
81
86
91
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
62
66
62
56
56
48
42
36
38
44
49
42
36
29
39
47
55
63
72
84
90
95
100

Medium Clouds (% Sky Obscured)

71
49
32
40
53
69
73
78
82
65
48
32
49
67
85
86
87
88
69
49
30
47
69
91

High Clouds (% Sky Obscured)

30
39
46
50
53
61
68
75
86
87
89
90
93
96
100
99
98
98
90
80
71
77
84
93

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
8
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
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

43
32
13
12
8
1
7
9
10
13
15
16
18
18
16
15
13
7
17
21
16
39
48
53

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
12
13
14
16
17
18
19
19
19
19
19
18
18
17
16
15
14
13
12
12
12

Feels Like (°C)

12
12
11
11
13
13
14
14
14
15
20
19
18
19
18
18
16
16
15
15
15
15
10
10

Dew Point (°C)

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

Relative Humidity (%)

98
98
95
95
87
80
74
68
62
56
58
59
60
67
72
79
83
87
93
92
93
95
93
93

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1010
1010
1010

Ozone (du)

404
403
403
403
400
398
396
395
393
392
391
390
388
387
386
386
384
383
381
380
378
377
375
372

Thursday 2

Waning Crescent 41%

03:53

12:44

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: 05:27, Set: 20:25, Transit: 12:56. Moon - Rise: 03:53, Set: 12:44. Civil Dark: 21:04 - 04:49. Nautical Dark: 21:54 - 03:56. Astro Dark: 22:58 - 02:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
97
96
96
97
97
95
95
95
98
99
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
96
95
94
92
91
91
90
88
92
96
100

Medium Clouds (% Sky Obscured)

77
63
50
56
65
76
69
63
58
53
50
51
47
43
40
33
26
19
19
18
16

High Clouds (% Sky Obscured)

95
97
100
100
100
100
100
100
100
90
80
70
61
53
45
36
29
23
36
45
60

ISS Passover

Visibility (miles)

9
6
3
1
1
2
2
5
7
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

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

Precipitation Probability (%)

58
62
63
69
78
90
76
59
29
46
51
50
60
65
68
61
53
37
37
34
29

Precipitation Amount (mm)

0.2
0.3
0.3
0.4
0.6
1
0.7
0.3
0
0.2
0.3
0.3
0.4
0.4
0.3
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
11
11
11
11
11
11
12
12
12
12
13
13
13
13
13
12
12
12
12
12

Relative Humidity (%)

93
95
96
96
96
96
96
92
87
83
80
78
74
78
82
85
86
87
90
92
93

Pressure (mb)

1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009

Ozone (du)

370
369
368
367
368
368
369
367
366
365
365
365
366
365
364
363
363
363
362
362
362

Forecast for Woolwich Common, Greater London, United Kingdom (51.48,0.06)

Generated: 26/04/24 04:46:38. Forecast: 26/04/24 to 02/05/24. Timezone: UTC+1.00