Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waxing Gibbous 93%

16:25

04:43

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 Good
22 OK
23 Bad

Sun - Rise: 05:44, Set: 19:42, Transit: 12:43. Moon - Rise: 16:25, Set: 04:43. Civil Dark: 20:14 - 05:11. Nautical Dark: 20:55 - 04:30. Astro Dark: 21:40 - 03:45

Total Clouds (% Sky Obscured)

98
95
77
80
88
91
97
88
95
79
80
100
94
100
100
90
100
100
99
100
83
4
47
51

Low Clouds (% Sky Obscured)

96
85
75
78
62
73
84
78
94
69
83
67
69
84
70
70
57
51
40
43
11
0
56
59

Medium Clouds (% Sky Obscured)

0
0
0
0
47
58
65
28
38
0
50
60
47
62
100
85
100
100
98
100
57
4
0
2

High Clouds (% Sky Obscured)

73
93
60
7
4
4
5
14
4
0
0
0
0
0
0
0
0
4
7
80
4
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
9
9
7
4
9
9
9
9
9
6
3
1
1
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
99
94
80
18
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
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
2
2
0
18
11
8
6
34
45
52
52
41
27
17
2
0
3
0
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
15
15
16
12
12
12
12
12
13
13
14
14
14
14
14
13
11
10
9
7
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

99
95
92
88
88
81
86
86
83
66
56
51
46
49
49
54
56
53
55
58
65
71
75
77

Pressure (mb)

1006
1006
1005
1005
1007
1008
1009
1009
1009
1009
1008
1008
1007
1007
1007
1006
1006
1006
1006
1007
1008
1008
1008
1008

Ozone (du)

358
362
362
364
367
373
379
382
387
404
413
413
417
425
428
436
455
468
473
479
485
483
478
475

Sunday 21

Waxing Gibbous 97%

17:30

04:56

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: 19:43, Transit: 12:43. Moon - Rise: 17:30, Set: 04:56. Civil Dark: 20:16 - 05:09. Nautical Dark: 20:57 - 04:28. Astro Dark: 21:42 - 03:43

Total Clouds (% Sky Obscured)

56
60
80
64
74
86
92
100
100
100
90
97
98
98
100
99
100
100
100
100
94
98
100
99

Low Clouds (% Sky Obscured)

63
72
89
70
74
64
72
100
96
74
80
83
96
78
98
69
71
84
87
76
84
77
80
82

Medium Clouds (% Sky Obscured)

4
0
0
0
0
22
34
39
65
64
47
46
47
55
66
86
100
100
100
100
83
95
100
97

High Clouds (% Sky Obscured)

0
0
0
3
3
3
3
4
28
58
43
1
0
0
13
33
3
3
3
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
4
4
3
3
5
2
2
3
8
1
9
9
9
9
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

None
None
None
None
None
None
None
None
Snow
Snow
Snow
None
Snow
Snow
Snow
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

1
3
1
3
3
3
15
18
57
58
44
37
49
57
49
50
57
70
78
75
62
67
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.4
0.1
0
0.1
0.3
0.1
0
0.2
0.4
0.6
0.6
0.4
0.4
0.8
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-2
-2
-2
-2
-1
-1
-1
0
1
1
2
2
1
1
0
-1
-1
-1
-2
-2

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-4
-4
-4
-4
-5
-6
-7
-8
-8
-7
-9
-9
-9
-9
-8
-6
-4
-4
-5
-4
-4
-2

Relative Humidity (%)

75
78
81
83
86
84
78
72
64
60
59
61
48
47
45
46
53
60
74
75
74
81
83
96

Pressure (mb)

1008
1008
1008
1008
1009
1009
1009
1009
1010
1009
1009
1009
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006
1005
1004

Ozone (du)

471
467
464
461
454
450
448
447
446
448
452
459
465
464
460
457
456
454
458
464
467
467
469
470

Monday 22

Waxing Gibbous 99%

18:37

05:09

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

Sun - Rise: 05:40, Set: 19:44, Transit: 12:42. Moon - Rise: 18:37, Set: 05:09. Civil Dark: 20:18 - 05:07. Nautical Dark: 20:59 - 04:26. Astro Dark: 21:44 - 03:40

Total Clouds (% Sky Obscured)

100
95
100
94
25
37
32
11
59
67
66
65
33
27
25
29
35
49
30
34
53
50
45
36

Low Clouds (% Sky Obscured)

91
100
82
69
16
35
25
0
63
67
65
61
21
14
0
5
13
32
30
30
40
29
22
9

Medium Clouds (% Sky Obscured)

100
41
50
43
0
0
0
0
0
0
2
2
5
2
2
2
2
20
10
2
12
12
2
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
9
7
9
3
7
8
6
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

Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

79
77
60
30
18
3
3
0
0
0
0
0
0
1
0
0
0
0
0
0
0
3
14
39

Precipitation Amount (mm)

0.6
0.4
0.2
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
9
12
11
12
12
13
13
14
14
14
14
14
14
13
13
13
12
11
10
7
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-9
-10
-12
-13
-15
-15
-16
-16
-14
-14
-13
-13
-11
-10
-10
-9
-9
-9
-8
-8
-9
-10
-11

Dew Point (°C)

-6
-6
-8
-10
-11
-13
-14
-15
-17
-18
-19
-19
-19
-18
-18
-18
-18
-17
-16
-16
-14
-14
-12
-9

Relative Humidity (%)

82
79
79
77
76
72
69
65
52
46
41
37
36
34
33
31
31
33
35
38
46
48
55
72

Pressure (mb)

1006
1006
1007
1008
1010
1011
1012
1013
1014
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

477
480
480
480
478
477
479
480
480
480
474
470
467
464
462
460
459
451
447
446
443
442
440
434

Tuesday 23

Full Moon 99%

19:46

05:24

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: 05:38, Set: 19:46, Transit: 12:42. Moon - Rise: 19:46, Set: 05:24. Civil Dark: 20:19 - 05:05. Nautical Dark: 21:00 - 04:24. Astro Dark: 21:46 - 03:38

Total Clouds (% Sky Obscured)

35
35
36
33
25
36
55
68
77
89
100
88
77
63
73
84
93
95
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
2
4
6
25
43
62
51
41
30
34
38
42
51
61
71
77
82
88
92
96
100
100

Medium Clouds (% Sky Obscured)

1
0
48
0
3
3
45
29
32
58
83
79
61
38
53
76
89
93
96
100
100
100
100
100

High Clouds (% Sky Obscured)

2
0
0
2
27
22
34
25
44
58
100
72
40
5
11
14
16
44
72
100
75
53
9
53

ISS Passover

Visibility (miles)

5
2
0
2
0
0
0
0
1
9
0
0
2
2
3
9
9
5
9
3
2
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

None
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

39
52
53
57
45
20
14
12
1
4
27
28
9
3
2
7
30
41
83
89
95
95
95
95

Precipitation Amount (mm)

0
0.2
0.2
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.5
0.8
0.9
0.9
1.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-11
-10
-10
-9
-8
-7
-6
-5
-4
-4
-4
-2
-1
0
1
1
2
3
1
1
0
0
-1

Dew Point (°C)

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

Relative Humidity (%)

77
87
96
96
96
96
90
89
89
86
91
94
94
93
89
83
82
89
96
93
98
100
100
98

Pressure (mb)

1015
1014
1015
1015
1015
1016
1016
1017
1017
1017
1017
1016
1015
1014
1013
1013
1012
1011
1011
1010
1010
1010
1009
1009

Ozone (du)

431
431
431
431
431
435
441
441
437
431
424
422
424
425
425
425
422
419
418
416
417
420
420
417

Wednesday 24

Waning Gibbous 100%

20:57

05:41

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: 05:37, Set: 19:47, Transit: 12:42. Moon - Rise: 20:57, Set: 05:41. Civil Dark: 20:21 - 05:03. Nautical Dark: 21:02 - 04:22. Astro Dark: 21:49 - 03:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
98
97
93
88
85
87
89
90
91
90
91
93
95
96
94

Low Clouds (% Sky Obscured)

100
100
100
100
100
97
94
92
90
88
86
77
68
60
65
70
74
73
72
71
77
83
88
80

Medium Clouds (% Sky Obscured)

100
100
98
95
91
73
98
100
98
90
95
84
74
68
68
68
80
85
85
85
75
70
75
61

High Clouds (% Sky Obscured)

76
100
75
53
30
30
30
25
25
25
25
25
30
30
40
45
40
35
30
25
22
16
13
14

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
0
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
92
93
95
95
88
72
83
84
95
95
95
95

Precipitation Amount (mm)

1.8
1.8
1.7
1.7
1.5
1.6
1.7
1.5
1.2
1.2
1
0.8
0.5
0.6
1
0.9
0.7
0.5
0.7
0.7
1.1
1.1
1.2
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-1
-1
-0
-0
-1
-1
-2
-3
-5
-7
-7
-7
-8
-7
-8
-8
-8
-8
-9
-9
-9
-9

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
98
98
98
100
100
100
98
98
100
98
98
98
98
98
96
94
98
96
98
98
96

Pressure (mb)

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

Ozone (du)

420
423
425
426
428
428
426
426
423
419
415
410
411
410
408
408
408
410
410
410
412
417
422
427

Thursday 25

Waning Gibbous 98%

22:10

06:02

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: 05:35, Set: 19:49, Transit: 12:42. Moon - Rise: 22:10, Set: 06:02. Civil Dark: 20:22 - 05:02. Nautical Dark: 21:04 - 04:20. Astro Dark: 21:51 - 03:33

Total Clouds (% Sky Obscured)

92
91
86
80
75
70
50
50
46
47
43
45
47
49
69
93
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

72
64
43
21
0
0
0
0
0
0
0
5
10
15
18
21
28
42
55
69
68
68
71
68

Medium Clouds (% Sky Obscured)

61
56
38
19
1
1
0
0
0
0
0
7
9
15
41
59
73
78
84
94
89
87
76
65

High Clouds (% Sky Obscured)

11
10
7
4
0
0
0
0
1
3
4
9
13
13
10
8
12
10
5
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

91
83
72
63
53
55
58
63
65
65
63
63
66
71
73
81
92
90
88
83
72
64
63
63

Precipitation Amount (mm)

0.7
0.5
0.4
0.3
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.3
0.4
0.5
0.5
0.6
0.8
0.7
0.6
0.5
0.4
0.3
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
100
100
98
98
96
96
96
94
96
98
100
98
98
96
96
98
98
98
98
98

Pressure (mb)

1015
1015
1015
1016
1016
1017
1017
1017
1018
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017

Ozone (du)

429
431
432
433
433
434
436
438
440
443
447
450
453
456
459
464
469
474
480
486
492
494
497
499

Friday 26

Waning Gibbous 95%

23:22

06:30

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: 05:33, Set: 19:50, Transit: 12:42. Moon - Rise: 23:22, Set: 06:30. Civil Dark: 20:24 - 05:00. Nautical Dark: 21:06 - 04:18. Astro Dark: 21:53 - 03:30

Total Clouds (% Sky Obscured)

100
100
98
97
89
82
71
60
64
57
51
77
87
100
100
100
100
100
100
100
97
94
94
97

Low Clouds (% Sky Obscured)

66
68
63
59
45
34
27
16
21
29
35
42
53
63
63
64
63
43
28
10
10
10
15
20

Medium Clouds (% Sky Obscured)

61
69
72
78
75
44
26
4
24
41
60
73
88
100
93
86
78
65
52
43
40
40
34
28

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
6
9
28
49
69
79
74
69
65
61
62
49
39
27
44

ISS Passover

Visibility (miles)

0
0
0
0
0
0
3
6
9
7
4
2
4
6
8
6
4
2
2
2
2
2
2
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

Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

64
61
55
47
37
35
31
19
20
19
14
21
27
31
29
28
26
25
24
17
22
22
15
18

Precipitation Amount (mm)

0.4
0.3
0.2
0.2
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
3
3
2
2
2
2
3
3
4
4
5
6
7
8
8
8
8
7
7
7
7
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-5
-7
-7
-7
-8
-8
-9
-3
-2
-2
-2
-1
-1
1
2
2
0
-1
-2
-3
-3
-4

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
96
96
96
94
92
91
89
88
86
88
93
94
96
96
96
98
96
96
94
94
93

Pressure (mb)

1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

498
496
495
493
491
490
485
480
476
472
468
464
461
459
456
454
451
449
445
441
437
436
434
432

Forecast for Sainte-Brigitte-de-Laval, Capitale-Nationale, Canada (47.33,-71.14)

Generated: 20/04/24 04:17:51. Forecast: 20/04/24 to 26/04/24. Timezone: UTC-4.00