Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waxing Gibbous 80%

15:32

04:38

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:58, Set: 19:49, Transit: 12:54. Moon - Rise: 15:32, Set: 04:38. Civil Dark: 20:22 - 05:25. Nautical Dark: 20:59 - 04:46. Astro Dark: 21:42 - 04:03

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
84
74
81
70
84
100
100
100
100

Medium Clouds (% Sky Obscured)

52
48
39
50
65
63
60
60
60
60
67
60
34
68
63
94
100
100
100
100
100
70
96
74

High Clouds (% Sky Obscured)

43
6
0
0
0
0
0
4
10
40
85
10
98
100
100
100
100
100
80
54
4
14
6
4

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
6
9
8
9
0
0

Fog (%)

0
9
6
8
33
62
9
6
27
75
77
62
88
62
62
0
23
1
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
31
17
15
31
46
32
20
27
11
23
30
10
10
74
89
84
79
55
79
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.5
0.4
0
0.3
1.1
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
98
98
98
98
98
96
96
98
98
98
96
96
96
94
93
95
95
95
98
96

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1016
1015
1014
1012
1011
1009
1008
1008
1007
1007

Ozone (du)

382
382
386
383
381
380
374
367
362
361
361
362
357
353
352
353
354
356
358
359
355
355
357
362

Friday 19

Waxing Gibbous 87%

16:36

04:53

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

Sun - Rise: 05:56, Set: 19:51, Transit: 12:53. Moon - Rise: 16:36, Set: 04:53. Civil Dark: 20:23 - 05:24. Nautical Dark: 21:01 - 04:44. Astro Dark: 21:45 - 04:00

Total Clouds (% Sky Obscured)

86
92
67
72
36
43
46
80
54
39
27
27
27
79
100
100
100
100
100
99
61
47
15
2

Low Clouds (% Sky Obscured)

72
91
71
66
38
51
54
85
46
37
32
30
30
63
100
69
63
51
42
40
46
37
5
0

Medium Clouds (% Sky Obscured)

32
0
1
0
1
1
2
0
0
0
0
0
2
62
100
100
100
100
100
99
63
33
25
2

High Clouds (% Sky Obscured)

4
4
3
2
2
3
0
0
0
0
0
0
0
0
19
35
15
35
40
40
40
9
0
0

ISS Passover

Visibility (miles)

1
2
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
20
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
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 (%)

71
42
17
11
2
1
0
0
0
0
0
0
0
0
1
1
10
13
17
17
12
8
0
0

Precipitation Amount (mm)

0.3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
87
88
85
83
83
84
89
91
86
74
62
53
44
41
42
47
56
55
59
66
73
80

Pressure (mb)

1006
1006
1006
1007
1008
1009
1009
1010
1010
1011
1011
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1009
1009

Ozone (du)

365
364
365
366
371
378
383
394
424
429
429
426
428
435
442
451
466
473
474
476
477
475
472
470

Saturday 20

Waxing Gibbous 93%

17:41

05:07

21 Good
22 Good
23 OK
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

Sun - Rise: 05:54, Set: 19:52, Transit: 12:53. Moon - Rise: 17:41, Set: 05:07. Civil Dark: 20:25 - 05:22. Nautical Dark: 21:03 - 04:42. Astro Dark: 21:47 - 03:58

Total Clouds (% Sky Obscured)

2
1
32
52
47
63
56
59
60
79
82
78
95
97
100
100
100
100
100
85
87
66
76
83

Low Clouds (% Sky Obscured)

0
0
34
55
42
59
51
55
64
76
64
81
87
76
94
100
100
81
44
71
68
43
44
53

Medium Clouds (% Sky Obscured)

2
1
0
2
16
22
25
23
1
14
52
32
49
58
72
100
100
100
91
56
62
58
72
77

High Clouds (% Sky Obscured)

0
0
0
2
22
14
38
0
0
0
0
0
0
3
3
65
2
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
8
9
9
9
9
9
1
8
7
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
None
None
None
None
None
None
None
None
None
Snow
None
None
Snow
None
None
Snow

Precipitation Probability (%)

0
0
1
1
1
1
1
0
1
5
19
18
14
18
14
12
32
36
35
33
41
32
37
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0.1
0
0
0.1

Wind Speed/Direction (mph)

5
6
7
8
8
8
9
8
7
6
6
9
10
11
12
12
12
14
13
14
13
13
11
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
87
86
91
92
86
83
83
87
86
67
53
48
51
50
49
43
54
50
65
70
83
96

Pressure (mb)

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

Ozone (du)

469
466
458
453
451
454
457
452
449
455
459
460
457
456
456
453
451
449
447
444
442
439
443
446

Sunday 21

Waxing Gibbous 97%

18:47

05:21

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
12 OK
13 OK
14 OK
15 Good
16 OK
17 OK
18 Good
19 Good
20 Good

Sun - Rise: 05:52, Set: 19:54, Transit: 12:53. Moon - Rise: 18:47, Set: 05:21. Civil Dark: 20:26 - 05:20. Nautical Dark: 21:04 - 04:40. Astro Dark: 21:49 - 03:55

Total Clouds (% Sky Obscured)

88
95
94
93
92
81
74
70
77
78
80
83
82
81
60
40
17
16
11
20
15
15
5
16

Low Clouds (% Sky Obscured)

63
72
78
84
91
86
82
77
79
81
84
83
81
80
55
30
4
3
1
0
0
0
0
15

Medium Clouds (% Sky Obscured)

74
82
59
27
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
14

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)

0
0
0
0
2
9
9
9
9
9
9
8
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
Snow
None
None
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

77
76
61
49
20
23
25
28
23
20
21
15
11
7
5
3
2
1
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0.5
0.2
0.2
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
11
12
13
13
13
11
10
10
10
12
11
11
12
12
12
12
11
11
10
10
7
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
-2
-2
-3
-4
-7
-7
-8
-10
-10
-11
-12
-13
-14
-16
-17
-16
-16
-16
-16
-14
-14
-13
-10

Relative Humidity (%)

96
96
92
94
89
79
82
80
79
77
73
63
57
49
41
35
33
31
30
30
31
32
39
51

Pressure (mb)

1005
1006
1006
1008
1009
1009
1011
1012
1013
1014
1015
1016
1016
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

447
449
452
457
462
463
464
464
463
466
465
462
461
460
461
459
455
446
441
440
440
444
449
451

Monday 22

Waxing Gibbous 99%

19:55

05:36

21 OK
22 OK
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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:51, Set: 19:55, Transit: 12:53. Moon - Rise: 19:55, Set: 05:36. Civil Dark: 20:27 - 05:18. Nautical Dark: 21:06 - 04:38. Astro Dark: 21:51 - 03:53

Total Clouds (% Sky Obscured)

29
44
57
73
96
98
99
100
100
100
100
99
98
97
98
99
100
100
100
100
99
97
95
94

Low Clouds (% Sky Obscured)

30
45
43
41
38
38
37
37
46
56
66
58
50
43
58
73
89
22
32
41
51
64
78
76

Medium Clouds (% Sky Obscured)

28
41
51
56
61
57
55
52
77
92
100
96
93
89
93
97
100
100
100
100
95
89
84
81

High Clouds (% Sky Obscured)

0
0
20
42
61
76
93
100
100
100
100
92
79
64
74
87
100
100
100
100
85
53
25
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
4
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

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

Precipitation Probability (%)

0
0
0
0
0
0
1
1
8
11
10
15
39
48
51
55
46
60
67
74
78
83
90
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0
0
0
0.2
0.3
0.4
0.4
0.5
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-10
-10
-11
-11
-10
-9
-9
-10
-11
-10
-9
-4
2
3
5
5
6
6
6
7
6
7
5

Relative Humidity (%)

53
54
53
50
50
53
55
54
51
49
47
49
62
86
89
91
93
93
94
96
98
98
100
100

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1011
1010
1009
1010
1010
1009
1009
1008
1008

Ozone (du)

451
452
453
453
452
450
449
450
451
455
456
458
460
461
460
457
450
443
438
434
429
427
424
422

Tuesday 23

Full Moon 100%

No Rise

05:54

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:49, Set: 19:56, Transit: 12:53. Moon - Rise: No Rise, Set: 05:54. Civil Dark: 20:29 - 05:16. Nautical Dark: 21:08 - 04:36. Astro Dark: 21:53 - 03:50

Total Clouds (% Sky Obscured)

93
94
97
99
100
99
99
99
98
97
96
96
95
95
95
95
90
90
90
90
90
90
90
90

Low Clouds (% Sky Obscured)

75
75
79
83
88
84
78
74
65
58
50
39
37
35
35
35
40
40
45
65
70
65
65
45

Medium Clouds (% Sky Obscured)

77
76
81
86
93
93
91
90
85
80
80
70
65
50
45
40
35
35
40
50
53
43
30
22

High Clouds (% Sky Obscured)

10
10
25
40
70
80
80
70
55
30
20
10
10
10
10
25
40
50
70
90
60
30
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

Light Rain
Light Rain
Light Rain
Snow
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

95
95
95
89
78
76
76
78
81
79
79
89
95
95
95
91
88
88
83
80
67
57
48
48

Precipitation Amount (mm)

0.6
0.6
0.6
0.5
0.4
0.4
0.4
0.4
0.5
0.5
0.5
0.6
0.8
1
0.9
0.7
0.6
0.6
0.5
0.4
0.3
0.2
0.1
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1008
1007
1007
1007
1008
1008
1009
1009
1010
1011
1013
1014
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1018

Ozone (du)

422
421
421
425
429
433
431
429
427
430
433
435
433
431
429
427
425
423
430
437
444
452
459
467

Wednesday 24

Waning Gibbous 98%

21:06

06:16

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

Sun - Rise: 05:47, Set: 19:58, Transit: 12:52. Moon - Rise: 21:06, Set: 06:16. Civil Dark: 20:30 - 05:14. Nautical Dark: 21:10 - 04:34. Astro Dark: 21:55 - 03:48

Total Clouds (% Sky Obscured)

95
95
95
95
90
90
95
90
90
90
90
90
80
80
80
90
90
90
95
95
95
95
90

Low Clouds (% Sky Obscured)

35
30
25
20
20
20
20
20
25
25
30
45
50
50
60
65
80
80
80
85
85
85
80

Medium Clouds (% Sky Obscured)

11
0
0
0
0
14
28
42
28
14
0
16
27
33
38
44
54
54
55
55
56
52
44

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
11
11
17
25
24
27
30

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

Fog (%)

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

Precipitation Probability (%)

48
49
52
50
47
50
52
55
52
49
45
46
46
45
57
68
78
76
76
77
67
60
57

Precipitation Amount (mm)

0.2
0.2
0.2
0.2
0.1
0.2
0.2
0.2
0.2
0.2
0.1
0.1
0.2
0.2
0.2
0.4
0.5
0.5
0.4
0.5
0.3
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
96
96
96
94
96
94
94
94
94
94
94
94
96
96
98
98
98
98
96
96

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1018
1018

Ozone (du)

473
479
484
486
487
488
489
489
490
492
494
495
495
495
495
494
493
492
490
487
485
480
475

Forecast for Lac-Saint-Louis, Lanaudière, Canada (46.57,-73.80)

Generated: 18/04/24 21:57:32. Forecast: 18/04/24 to 24/04/24. Timezone: UTC-4.00