Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 96%

22:31

06:25

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
10 Bad
11 Bad

Sun - Rise: 05:44, Set: 20:15, Transit: 13:00. Moon - Rise: 22:31, Set: 06:25. Civil Dark: 20:52 - 05:07. Nautical Dark: 21:38 - 04:20. Astro Dark: 22:33 - 03:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
88
89
90
93
100
99
97
95
96
92
77
94
92
89
93

Low Clouds (% Sky Obscured)

95
85
98
92
90
84
85
70
67
75
48
79
95
91
73
52
40
56
61
40
40
40
40
58

Medium Clouds (% Sky Obscured)

54
53
44
94
96
91
99
44
43
88
88
88
91
93
93
86
92
93
83
69
83
65
44
58

High Clouds (% Sky Obscured)

81
84
75
78
100
100
100
99
66
34
45
23
60
63
67
82
76
68
58
62
71
65
51
36

ISS Passover

Visibility (miles)

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

Fog (%)

-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
100
0
0
0
100
0
0
0
36
21
20
28
35
25
24
43
52
44
43
42
29
23
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
13
12
15
14
12
8
7
4
4
3
4
4
5
4
4
4
5
6
7
9
9
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
60
64
72
71
78
84
89
92
94
93
93
93
96
94
94
93
94
96
94
88
84
78
73

Pressure (mb)

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

Ozone (du)

420
423
426
427
428
428
425
425
425
428
429
429
429
430
429
430
429
428
429
431
433
435
437
439

Friday 26

Waning Gibbous 91%

23:48

06:56

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
10 Bad
11 Bad

Sun - Rise: 05:42, Set: 20:17, Transit: 13:00. Moon - Rise: 23:48, Set: 06:56. Civil Dark: 20:54 - 05:05. Nautical Dark: 21:40 - 04:18. Astro Dark: 22:36 - 03:21

Total Clouds (% Sky Obscured)

96
93
98
98
99
99
97
96
100
100
100
100
100
100
100
100
96
97
96
86
100
100
100
100

Low Clouds (% Sky Obscured)

91
76
89
93
82
85
79
77
85
78
73
90
90
92
100
92
91
92
91
72
64
72
60
54

Medium Clouds (% Sky Obscured)

86
84
80
81
90
86
64
55
99
100
100
100
100
100
98
65
12
54
32
33
30
53
54
100

High Clouds (% Sky Obscured)

42
5
14
62
47
44
76
64
93
100
100
100
100
100
100
100
73
64
91
79
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

9
8
7
10
15
22
32
46
49
65
87
74
95
95
91
62
30
13
7
4
6
4
2
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.8
0.3
1.1
0.9
0.7
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
68
68
70
76
78
81
88
88
87
91
98
98
96
96
98
96
98
98
98
96
96
96

Pressure (mb)

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

Ozone (du)

440
440
438
436
439
444
446
445
439
437
437
436
436
437
441
443
442
440
440
439
436
434
433
433

Saturday 27

Waning Gibbous 83%

00:59

07:40

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
10 Bad
11 Bad

Sun - Rise: 05:40, Set: 20:19, Transit: 13:00. Moon - Rise: 00:59, Set: 07:40. Civil Dark: 20:55 - 05:03. Nautical Dark: 21:43 - 04:15. Astro Dark: 22:39 - 03:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
80
79
92
100
97
95
81
86

Low Clouds (% Sky Obscured)

48
48
45
34
55
65
92
87
90
100
94
100
95
100
100
90
69
79
89
100
96
91
73
72

Medium Clouds (% Sky Obscured)

100
100
100
100
81
100
100
100
100
99
100
100
100
100
100
82
60
62
55
51
47
21
20
38

High Clouds (% Sky Obscured)

100
100
100
80
89
100
100
100
100
100
100
100
100
100
89
35
35
38
43
42
43
22
3
4

ISS Passover

Visibility (miles)

9
9
9
7
9
9
9
7
9
9
8
8
5
5
2
9
8
9
8
6
8
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

33
43
53
51
48
57
73
68
59
71
86
95
95
95
95
95
57
54
62
71
62
42
20
23

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.4
0
0.4
0.7
0.7
1
1.7
4.2
0.5
0
0
0.2
0.4
0.4
0
0
0

Wind Speed/Direction (mph)

9
8
10
7
4
5
5
4
6
8
9
9
10
10
10
9
10
11
10
11
13
15
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
83
80
83
79
87
93
93
96
96
98
98
98
100
100
98
100
98
96
94
93
91
90
91

Pressure (mb)

1001
1001
1001
1001
1001
1001
1000
1000
1000
1000
1000
999
999
998
998
998
998
998
998
999
1000
1001
1003
1005

Ozone (du)

435
432
430
430
431
429
427
425
428
433
435
437
441
440
442
449
450
447
447
446
443
442
443
440

Sunday 28

Waning Gibbous 74%

01:58

08:42

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

Sun - Rise: 05:38, Set: 20:20, Transit: 13:00. Moon - Rise: 01:58, Set: 08:42. Civil Dark: 20:57 - 05:01. Nautical Dark: 21:45 - 04:13. Astro Dark: 22:42 - 03:15

Total Clouds (% Sky Obscured)

96
91
64
72
30
25
20
7
5
3
11
19
28
34
34
33
25
19
12
28
50
66
63
59

Low Clouds (% Sky Obscured)

93
75
72
78
40
40
23
7
5
4
8
14
22
28
33
36
29
18
10
21
34
46
47
46

Medium Clouds (% Sky Obscured)

10
39
0
0
0
0
0
0
1
2
1
0
0
0
0
0
0
1
2
22
39
57
37
18

High Clouds (% Sky Obscured)

0
3
0
0
0
0
0
0
0
0
1
2
2
2
1
3
3
4
3
19
39
50
32
22

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 (%)

29
21
7
14
1
0
1
1
1
0
0
1
2
11
2
6
0
0
6
0
0
9
6
7

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)

13
12
11
11
10
8
10
9
8
6
5
4
4
4
4
4
3
3
4
4
8
11
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
93
92
93
92
92
88
95
93
93
94
94
93
93
93
91
90
90
90
87
80
75
69

Pressure (mb)

1006
1007
1008
1009
1010
1010
1011
1012
1012
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017

Ozone (du)

437
436
433
431
433
435
442
447
445
443
441
439
438
437
437
437
439
440
441
438
438
440
442
444

Monday 29

Waning Gibbous 64%

02:43

09:58

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

Sun - Rise: 05:36, Set: 20:22, Transit: 13:00. Moon - Rise: 02:43, Set: 09:58. Civil Dark: 20:59 - 04:59. Nautical Dark: 21:47 - 04:10. Astro Dark: 22:45 - 03:11

Total Clouds (% Sky Obscured)

49
33
23
9
7
5
3
15
33
43
30
16
6
13
18
19
18
19
23
33
43
42
51
60

Low Clouds (% Sky Obscured)

49
30
15
0
0
0
0
9
20
29
22
14
5
14
23
31
31
31
29
29
29
30
28
28

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
2
6
8
11
9
4
0
0
0
0
1
2
3
10
19
24
30
32

High Clouds (% Sky Obscured)

9
9
11
6
4
3
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
2
1
2

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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
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)

15
15
14
14
14
12
10
9
7
6
6
5
5
5
4
4
4
4
5
5
9
11
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
68
68
69
69
70
72
81
90
90
90
90
90
93
96
96
96
96
98
98
88
81
76
71

Pressure (mb)

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

Ozone (du)

444
444
441
439
438
438
437
437
437
437
438
438
440
443
443
441
439
434
434
433
431
432
434
434

Tuesday 30

Waning Gibbous 53%

03:14

11:22

12 Bad
13 Bad
14 Bad
15 OK
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
10 Bad
11 Bad

Sun - Rise: 05:34, Set: 20:23, Transit: 13:00. Moon - Rise: 03:14, Set: 11:22. Civil Dark: 21:01 - 04:57. Nautical Dark: 21:49 - 04:08. Astro Dark: 22:48 - 03:08

Total Clouds (% Sky Obscured)

65
57
45
32
53
62
77
72
81
91
95
98
100
99
99
98
98
98
99
99
99
99
99
100

Low Clouds (% Sky Obscured)

31
30
30
33
25
13
0
0
0
0
14
28
38
47
55
64
70
77
84
63
48
33
32
28

Medium Clouds (% Sky Obscured)

39
29
13
0
0
0
0
14
30
50
60
65
75
74
77
75
80
81
85
86
91
97
92
86

High Clouds (% Sky Obscured)

0
1
2
4
12
23
34
48
72
68
75
66
67
65
69
71
74
74
74
59
42
36
48
63

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 (%)

2
5
4
2
6
6
4
9
12
12
12
9
1
3
3
2
12
15
17
15
14
12
16
18

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)

13
13
13
12
12
10
9
8
6
5
4
4
4
3
3
2
3
3
2
2
3
4
5
5

Chance of Frost

Temperature (°C)

15
15
15
16
16
15
15
14
13
12
11
11
11
11
10
10
10
11
11
12
12
13
14
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
68
69
69
69
75
80
87
90
93
96
96
96
96
95
96
96
96
93
93
87
82
76
74

Pressure (mb)

1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011

Ozone (du)

434
431
431
430
430
429
428
427
425
422
420
419
418
417
416
415
414
413
413
412
410
409
408
405

Wednesday 1

Third Quarter 41%

03:37

No Set

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
10 Bad
11 Bad

Sun - Rise: 05:32, Set: 20:25, Transit: 13:00. Moon - Rise: 03:37, Set: No Set. Civil Dark: 21:03 - 04:55. Nautical Dark: 21:51 - 04:05. Astro Dark: 22:51 - 03:05

Total Clouds (% Sky Obscured)

100
96
92
89
94
96
98
99
100
100
97
94
92
94
93
90
92
94
97
98
99
100
100
100

Low Clouds (% Sky Obscured)

26
24
22
19
26
33
39
46
53
60
65
70
75
66
59
52
63
68
74
82
91
99
98
97

Medium Clouds (% Sky Obscured)

81
80
77
74
80
87
94
93
93
93
83
73
62
52
44
42
50
62
70
67
64
63
68
73

High Clouds (% Sky Obscured)

77
78
74
83
75
63
53
72
87
98
87
75
64
58
55
49
59
68
77
81
85
92
94
97

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

Precipitation Probability (%)

17
20
22
22
31
37
43
49
52
50
62
72
78
79
70
46
42
35
22
24
23
18
18
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
69
68
66
66
71
74
78
82
84
87
90
92
95
95
96
96
98
96
96
95
93
90
89

Pressure (mb)

1011
1011
1011
1011
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012

Ozone (du)

402
399
398
396
394
393
392
391
389
387
386
385
385
385
382
379
375
374
373
372
371
370
369
368

Forecast for Chichester, West Sussex, United Kingdom (50.84,-0.77)

Generated: 25/04/24 21:52:31. Forecast: 25/04/24 to 01/05/24. Timezone: UTC+1.00