Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

Waning Gibbous 90%

23:47

07:12

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

Sun - Rise: 05:52, Set: 20:20, Transit: 13:07. Moon - Rise: 23:47, Set: 07:12. Civil Dark: 20:56 - 05:17. Nautical Dark: 21:40 - 04:32. Astro Dark: 22:32 - 03:40

Total Clouds (% Sky Obscured)

68
70
70
76
76
75
68
39
51
61
100
100
99
25
98
54
61
71
100
92
97
99
100
100

Low Clouds (% Sky Obscured)

74
84
67
72
56
48
50
45
41
59
52
50
47
49
42
41
42
35
44
44
42
43
56
57

Medium Clouds (% Sky Obscured)

89
77
67
89
81
57
40
23
100
100
100
100
92
50
41
87
86
100
100
76
94
98
77
97

High Clouds (% Sky Obscured)

79
95
96
53
48
82
79
95
100
100
100
89
91
100
81
67
91
100
100
59
60
66
100
100

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9
9
9
7

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
5
4
7
14
26
46
56

Precipitation Amount (mm)

0.4
0.6
1
0.9
0.7
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

8
7
7
7
6
6
6
5
7
9
9
8
8
7
14
9
9
8
8
6
6
5
6
9

Chance of Frost

Temperature (°C)

10
10
11
11
11
11
11
11
11
10
10
10
10
10
10
10
10
10
10
10
10
11
10
10

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
8
8
8
8
7
7
7
7
7
7
6
6
6
6
6
6
7
7

Relative Humidity (%)

85
85
85
85
85
83
82
83
82
83
81
80
79
80
79
77
76
76
74
74
74
74
77
83

Pressure (mb)

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

Ozone (du)

444
445
454
457
459
458
456
451
449
449
451
452
451
451
449
448
448
447
445
445
443
442
439
436

Sunday 28

Waning Gibbous 83%

00:57

07:58

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: 05:51, Set: 20:22, Transit: 13:07. Moon - Rise: 00:57, Set: 07:58. Civil Dark: 20:57 - 05:15. Nautical Dark: 21:42 - 04:30. Astro Dark: 22:35 - 03:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
90
97
93
79
86
82
72
82
52

Low Clouds (% Sky Obscured)

51
40
47
69
79
78
77
86
87
86
88
81
73
86
86
80
94
83
71
80
76
65
76
52

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
95
92
100
100
95
93
61
50
47
27
14
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
50
87
100
40
43
35
37
56
100
90
95
21
12
3
0
0
0
0
3
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

68
93
81
71
87
95
95
95
95
95
95
91
81
74
63
53
42
34
36
18
31
19
24
10

Precipitation Amount (mm)

0.2
0.6
0.2
0.2
0.4
1.1
0.7
0.9
0.9
0.8
0.6
0.5
0.3
0.3
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
4
8
14
16
18
22
21
20
23
24
24
25
23
21
21
20
22
21
19
20
20
20
20

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
10
9
9
10
9
10
10

Feels Like (°C)

8
8
6
5
4
3
2
3
3
2
1
1
2
2
2
2
3
2
3
3
3
3
2
3

Dew Point (°C)

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

Relative Humidity (%)

84
81
84
82
84
87
88
88
88
91
90
90
87
85
84
82
77
73
77
74
72
80
73
73

Pressure (mb)

1001
1001
1001
1000
1000
999
999
998
998
999
999
999
999
999
1000
1000
1001
1001
1002
1003
1005
1006
1007
1008

Ozone (du)

434
432
437
440
441
438
438
440
442
442
444
450
450
446
445
448
452
452
447
445
443
444
443
444

Monday 29

Waning Gibbous 74%

01:56

08:59

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

Sun - Rise: 05:49, Set: 20:23, Transit: 13:07. Moon - Rise: 01:56, Set: 08:59. Civil Dark: 20:59 - 05:13. Nautical Dark: 21:44 - 04:27. Astro Dark: 22:37 - 03:34

Total Clouds (% Sky Obscured)

36
36
19
21
26
19
28
18
2
30
11
25
32
42
39
34
20
63
62
67
78
73
40
76

Low Clouds (% Sky Obscured)

38
38
20
22
27
19
28
17
0
30
11
31
41
51
47
44
26
10
10
14
13
25
27
22

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
45
47
67
52
9
56

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
0
0
2
0
0
0
2
31
29
16
48
3
7
11

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 (%)

6
3
1
0
0
0
0
0
0
3
6
1
1
2
0
4
2
1
1
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)

20
16
13
12
12
12
11
10
9
8
8
8
9
10
12
13
13
13
13
14
15
15
16
17

Chance of Frost

Temperature (°C)

10
10
10
11
11
11
11
11
11
11
11
11
11
11
11
11
11
10
10
10
10
10
11
11

Feels Like (°C)

3
6
7
7
8
9
9
9
9
10
10
10
9
9
9
8
7
8
7
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

68
64
64
68
68
70
70
71
73
73
73
71
71
71
72
73
76
76
77
78
78
78
76
77

Pressure (mb)

1009
1010
1010
1011
1011
1012
1012
1012
1013
1014
1014
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015

Ozone (du)

446
448
448
446
448
452
450
447
450
457
457
457
453
450
447
445
444
445
443
440
438
434
432
429

Tuesday 30

Waning Gibbous 64%

02:41

10:14

12 Bad
13 Bad
14 OK
15 Good
16 Good
17 OK
18 OK
19 OK
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: 05:47, Set: 20:25, Transit: 13:07. Moon - Rise: 02:41, Set: 10:14. Civil Dark: 21:01 - 05:11. Nautical Dark: 21:46 - 04:25. Astro Dark: 22:40 - 03:31

Total Clouds (% Sky Obscured)

82
82
18
4
4
23
20
24
46
58
73
85
80
74
89
88
96
98
100
99
99
98
98
99

Low Clouds (% Sky Obscured)

0
0
1
1
1
11
12
10
0
1
6
23
22
26
45
52
67
78
64
58
74
60
49
73

Medium Clouds (% Sky Obscured)

70
66
0
0
0
0
1
7
35
43
46
58
51
48
43
36
45
57
70
61
61
52
59
86

High Clouds (% Sky Obscured)

57
57
26
3
2
4
2
0
0
0
3
4
4
17
28
38
59
96
100
98
96
93
81
70

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
1
1
1
1
3
10
0
0
0
3
15
21
12
11
10
11
13
13
14
12
4
25
55

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)

18
17
15
15
16
18
19
20
21
22
23
22
22
23
23
23
22
22
23
24
25
25
25
25

Chance of Frost

Temperature (°C)

11
12
12
13
13
13
13
13
13
13
12
12
12
11
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
76
74
72
69
70
72
76
77
80
81
83
84
84
86
87
87
88
88
88
88
87
86

Pressure (mb)

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

Ozone (du)

430
428
428
429
430
431
432
432
430
429
426
428
429
429
428
429
431
428
428
427
427
426
424
424

Wednesday 1

Third Quarter 53%

03:14

11:36

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: 05:45, Set: 20:26, Transit: 13:07. Moon - Rise: 03:14, Set: 11:36. Civil Dark: 21:02 - 05:09. Nautical Dark: 21:48 - 04:23. Astro Dark: 22:43 - 03:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
99
99
100
100
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

87
85
80
80
72
65
52
40
40
60
46
51
45
47
51
48
58
51
42
41
41
37
36
35

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
98
99
99
100
96
100
100
100
100
100
100
100
100
100
59

High Clouds (% Sky Obscured)

60
73
87
100
79
40
30
41
75
7
14
25
29
43
34
43
33
34
33
37
38
78
100
100

ISS Passover

Visibility (miles)

9
9
9
7
3
9
9
9
9
8
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

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

Precipitation Probability (%)

62
68
95
95
95
86
44
37
47
35
40
35
49
35
33
27
25
23
21
20
16
11
10
22

Precipitation Amount (mm)

0.3
0.3
0.5
0.7
0.9
0.5
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

25
24
23
23
21
11
6
4
6
7
10
12
15
14
16
12
12
13
13
15
16
16
15
15

Chance of Frost

Temperature (°C)

12
13
13
12
12
11
11
11
11
11
12
12
12
11
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
84
86
92
93
90
88
93
90
86
81
86
87
84
78
78
77
78
78
80
81
83
84

Pressure (mb)

1007
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007

Ozone (du)

422
421
421
420
420
421
420
420
420
419
420
419
420
420
422
421
419
419
420
419
419
420
420
422

Thursday 2

Waning Crescent 41%

03:39

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: 05:44, Set: 20:28, Transit: 13:07. Moon - Rise: 03:39, Set: No Set. Civil Dark: 21:04 - 05:07. Nautical Dark: 21:50 - 04:21. Astro Dark: 22:46 - 03:25

Total Clouds (% Sky Obscured)

100
100
100
100
98
89
91
90
84
79
82
87
86
90
94
99
86
72
58
64
67
66
69
72

Low Clouds (% Sky Obscured)

33
22
11
0
1
1
1
4
7
9
7
4
0
2
4
4
6
7
9
12
15
18
20
20

Medium Clouds (% Sky Obscured)

57
72
90
75
68
70
68
51
52
51
51
50
47
40
34
33
27
18
3
6
8
10
9
8

High Clouds (% Sky Obscured)

100
94
89
84
79
59
68
64
60
61
58
56
53
55
55
67
63
62
59
54
50
45
55
67

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 (%)

10
4
5
2
3
7
18
15
11
2
6
8
8
9
9
5
10
11
11
12
9
0
4
6

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)

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

Chance of Frost

Temperature (°C)

11
12
12
12
12
12
13
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
12

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
7
7
8
8
8
7
7
7
7
8
8
8
8
8
8
8
8
8

Relative Humidity (%)

80
77
76
76
76
72
70
71
72
73
73
72
73
73
73
76
76
77
77
77
79
80
80
79

Pressure (mb)

1007
1007
1007
1007
1007
1008
1008
1008
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1013
1013

Ozone (du)

422
423
422
422
422
422
422
423
422
422
421
423
425
427
425
422
420
419
417
415
414
413
412
411

Friday 3

Waning Crescent 29%

03:59

13:02

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: 20:29, Transit: 13:07. Moon - Rise: 03:59, Set: 13:02. Civil Dark: 21:06 - 05:06. Nautical Dark: 21:52 - 04:18. Astro Dark: 22:48 - 03:22

Total Clouds (% Sky Obscured)

78
76
77
81
81
78
75
76
77
73
82
90
100
97
95
92
72
55
43
62
71
77
77
76

Low Clouds (% Sky Obscured)

20
19
17
17
12
6
0
0
0
0
3
7
10
8
5
2
6
10
15
19
23
29
21
11

Medium Clouds (% Sky Obscured)

7
25
39
60
65
70
75
76
81
82
81
81
80
66
52
38
25
12
0
16
32
47
42
35

High Clouds (% Sky Obscured)

80
85
85
85
85
85
85
85
85
85
87
93
100
96
91
87
60
33
7
7
8
8
8
8

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 (%)

6
5
4
1
2
2
0
1
1
0
0
1
0
1
1
0
5
6
3
3
2
0
3
5

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
6
6
6
5
4
3
3
4
5
6
6
7
8
8
9
10
11
12
13
14
15
14

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
75
75
72
71
70
67
70
71
73
75
76
77
80
83
86
84
83
84
83
80
79
80

Pressure (mb)

1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

410
409
409
408
408
408
408
409
410
411
412
413
415
416
418
421
423
423
423
424
424
425
425
425

Forecast for Salerie, Guernsey (49.46,-2.53)

Generated: 27/04/24 03:03:18. Forecast: 27/04/24 to 03/05/24. Timezone: UTC+1.00