Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

Waning Gibbous 83%

00:56

06:53

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
04 Bad
05 Bad

Sun - Rise: 05:37, Set: 20:15, Transit: 12:57. Moon - Rise: 00:56, Set: 06:53. Civil Dark: 20:52 - 05:00. Nautical Dark: 21:39 - 04:12. Astro Dark: 22:35 - 03:15

Total Clouds (% Sky Obscured)

90
93
95
96
100
73
100
100
100
100
100
100
100
100
100
100
100
100
98
96
96
89
96
100

Low Clouds (% Sky Obscured)

46
54
43
37
36
40
25
24
14
77
100
100
100
100
96
96
96
84
86
86
85
78
88
87

Medium Clouds (% Sky Obscured)

29
58
33
46
31
20
100
60
100
100
100
100
100
100
100
100
100
86
88
60
72
8
43
24

High Clouds (% Sky Obscured)

66
100
71
78
100
54
100
100
100
100
100
100
100
100
100
100
100
100
71
66
6
19
36
40

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

7
3
1
3
5
5
7
4
20
71
95
95
95
95
95
83
68
75
77
92
69
32
11
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
1
0.9
0.9
1.8
0.8
0.4
0.2
0.3
0.6
0.9
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
95
90
81
72
70
66
69
81
83
91
95
98
96
98
96
96
96
95
95
96
95

Pressure (mb)

1000
1001
1001
1001
1002
1002
1002
1002
1002
1002
1001
1000
1000
999
999
999
999
998
998
998
997
998
997
997

Ozone (du)

453
452
452
449
445
444
444
441
438
436
433
431
433
437
439
437
437
438
439
441
445
451
455
447

Sunday 28

Waning Gibbous 74%

01:55

07:38

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

Sun - Rise: 05:35, Set: 20:17, Transit: 12:57. Moon - Rise: 01:55, Set: 07:38. Civil Dark: 20:54 - 04:58. Nautical Dark: 21:41 - 04:10. Astro Dark: 22:38 - 03:12

Total Clouds (% Sky Obscured)

88
100
100
100
100
96
100
74
92
67
89
24
27
5
4
20
23
27
39
39
33
35
32
43

Low Clouds (% Sky Obscured)

77
86
100
100
100
94
100
86
77
58
73
10
8
2
5
27
29
32
42
36
31
30
28
37

Medium Clouds (% Sky Obscured)

0
40
10
0
0
0
3
15
18
20
8
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
48
7
3
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

27
19
19
20
16
18
10
15
18
7
12
1
12
0
0
0
0
0
9
0
0
0
9
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)

15
16
18
20
21
21
20
18
17
16
16
13
11
10
9
7
6
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
88
95
90
85
79
78
78
80
81
81
87
83
81
85
90
93
91
93
91
93
93
93
94

Pressure (mb)

998
998
1000
1001
1003
1004
1005
1007
1008
1008
1009
1010
1011
1012
1012
1013
1014
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

442
444
443
440
443
439
442
448
451
450
451
453
451
445
444
443
444
449
452
452
455
458
457
458

Monday 29

Waning Gibbous 72%

02:39

08:39

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

Sun - Rise: 05:33, Set: 20:18, Transit: 12:57. Moon - Rise: 02:39, Set: 08:39. Civil Dark: 20:56 - 04:56. Nautical Dark: 21:44 - 04:07. Astro Dark: 22:41 - 03:09

Total Clouds (% Sky Obscured)

48
52
65
66
50
35
32
22
4
0
0
26
49
1
1
1
0
44
38
44
51
58
58
51

Low Clouds (% Sky Obscured)

42
47
71
71
47
31
28
18
3
0
0
0
2
2
2
2
0
26
27
32
37
41
39
38

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
7
12
0
0
0
0
7
1
2
3
3
2
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
8
16
0
0
0
0
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 (%)

4
3
3
4
4
15
5
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
87
81
80
77
75
72
71
68
68
68
72
79
84
84
87
90
91
93
93
93
96
96

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1015
1015
1014
1014
1014
1013
1013
1013
1012

Ozone (du)

459
456
453
439
429
430
428
431
434
433
432
431
433
430
427
426
425
425
426
427
428
427
426
426

Tuesday 30

Waning Gibbous 64%

03:11

09:54

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

Sun - Rise: 05:31, Set: 20:20, Transit: 12:57. Moon - Rise: 03:11, Set: 09:54. Civil Dark: 20:57 - 04:54. Nautical Dark: 21:46 - 04:05. Astro Dark: 22:45 - 03:05

Total Clouds (% Sky Obscured)

48
69
73
77
85
93
99
79
54
48
57
60
60
42
32
22
31
43
100
100
90
73
89
61

Low Clouds (% Sky Obscured)

36
33
32
28
22
11
1
2
3
1
4
4
1
0
2
1
5
8
11
12
14
27
28
27

Medium Clouds (% Sky Obscured)

0
35
36
45
63
82
99
75
43
37
41
45
50
38
26
18
16
14
13
23
30
35
41
35

High Clouds (% Sky Obscured)

0
10
16
20
28
32
40
30
17
0
0
0
0
0
0
0
10
24
100
100
84
35
83
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 (%)

0
0
0
0
0
0
1
5
7
3
5
2
2
2
4
1
3
3
1
3
6
16
2
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)

6
7
9
10
12
13
14
14
14
14
14
13
12
10
8
6
4
4
4
4
4
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
89
83
76
74
73
73
78
79
81
82
85
90
96
96
96
96
96
96
98
95
96
96

Pressure (mb)

1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007

Ozone (du)

426
420
421
424
424
424
424
420
422
422
421
419
421
423
424
424
422
418
411
409
411
413
413
414

Wednesday 1

Third Quarter 53%

03:34

11:19

06 Bad
07 Bad
08 Bad
09 OK
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

Sun - Rise: 05:29, Set: 20:22, Transit: 12:56. Moon - Rise: 03:34, Set: 11:19. Civil Dark: 20:59 - 04:52. Nautical Dark: 21:48 - 04:03. Astro Dark: 22:48 - 03:02

Total Clouds (% Sky Obscured)

90
100
89
37
80
89
99
98
96
95
95
98
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
70
68
46
41
42
38
44
48
40
45
45
2
60
58
47
42
36
38
45
49
53
36
21

Medium Clouds (% Sky Obscured)

40
40
43
43
80
87
95
96
96
79
96
99
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

40
35
35
30
23
19
12
78
55
75
79
88
96
92
71
57
51
56
55
73
87
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
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
1
1
1
9
10
6
8
7
4
5
3
1
27
33
36
36
33
29
31
31
29
40
44

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
90
86
78
71
69
67
68
67
70
73
75
80
81
81
84
81
80
80
80
80
78
80

Pressure (mb)

1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

413
411
409
409
408
408
412
415
414
410
407
405
403
402
400
398
396
395
394
393
393
393
392
392

Thursday 2

Waning Crescent 41%

03:52

12:47

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
04 Bad
05 Bad

Sun - Rise: 05:28, Set: 20:23, Transit: 12:56. Moon - Rise: 03:52, Set: 12:47. Civil Dark: 21:01 - 04:50. Nautical Dark: 21:50 - 04:00. Astro Dark: 22:51 - 02:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
93
94
93
94
90
80
76
73
78
69
55
43
44
49

Low Clouds (% Sky Obscured)

3
18
32
39
46
55
67
60
53
44
40
39
37
38
47
52
51
50
49
49
52
53
46
35

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
94
87
74
71
74
75
75
75
80
78
77
75
55
31

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
96
97
96
96
95
90
90
85
78
70
63
60
56

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 (%)

44
43
37
26
22
17
6
15
16
9
18
18
11
18
16
8
10
9
5
10
12
12
11
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
81
80
77
75
72
69
71
72
74
77
81
86
87
85
85
85
85
85
84
84
82
82

Pressure (mb)

1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1014
1013
1013
1013
1013

Ozone (du)

392
391
390
388
387
387
386
386
385
383
382
383
383
384
384
384
384
386
387
388
391
393
395
395

Friday 3

Waning Crescent 30%

04:06

14:14

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

Sun - Rise: 05:26, Set: 20:25, Transit: 12:56. Moon - Rise: 04:06, Set: 14:14. Civil Dark: 21:03 - 04:48. Nautical Dark: 21:52 - 03:58. Astro Dark: 22:54 - 02:55

Total Clouds (% Sky Obscured)

53
50
50
48
31
14
0
0
0
0
0
1
4
19
35
53
54
58
63

Low Clouds (% Sky Obscured)

22
20
18
18
12
7
3
2
1
0
1
1
1
2
2
3
9
15
21

Medium Clouds (% Sky Obscured)

17
21
33
38
24
12
1
0
0
0
1
2
2
12
25
37
34
31
28

High Clouds (% Sky Obscured)

49
50
51
52
31
14
0
0
0
0
0
1
1
17
33
49
43
39
35

ISS Passover

Visibility (miles)

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

Precipitation Type

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
4
6
5
8
8
5
5
4
0
1
1
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

Wind Speed/Direction (mph)

2
2
4
6
9
10
11
12
11
10
10
8
7
7
5
4
4
4
5

Chance of Frost

Temperature (°C)

8
8
10
11
13
13
14
14
14
14
14
14
13
12
11
10
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
80
73
70
71
73
74
73
73
70
75
79
83
85
88
90
90
91

Pressure (mb)

1013
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1011

Ozone (du)

396
397
399
400
402
404
406
407
411
414
418
417
417
416
416
415
414
412
409

Forecast for Peacehaven, East Sussex, United Kingdom (50.80,0.01)

Generated: 27/04/24 06:43:55. Forecast: 27/04/24 to 03/05/24. Timezone: UTC+1.00