Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waxing Gibbous 80%

15:32

04:35

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

Sun - Rise: 05:59, Set: 19:47, Transit: 12:53. Moon - Rise: 15:32, Set: 04:35. Civil Dark: 20:17 - 05:27. Nautical Dark: 20:55 - 04:49. Astro Dark: 21:36 - 04:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
91
91
94
100
100
100
100
100
100
94
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
86
57
75
64
79
55
0
0
0
0
77
100
100

Medium Clouds (% Sky Obscured)

97
57
59
52
62
65
65
65
65
63
68
49
47
44
42
29
89
100
100
100
89
99
100
95

High Clouds (% Sky Obscured)

0
0
0
0
0
0
5
2
14
37
38
7
7
62
100
100
100
100
84
100
22
21
12
25

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
5
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
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

24
2
2
26
19
19
19
25
29
47
19
2
0
0
0
0
2
42
37
19
23
74
61
79

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0.6
0.3
0.3

Wind Speed/Direction (mph)

6
6
6
6
10
10
10
10
10
10
10
10
11
12
13
13
14
15
16
17
18
19
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
88
90
90
90
90
88
90
88
88
87
85
84
80
77
73
70
72
75
73
71
78
78

Pressure (mb)

1019
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1016
1016
1014
1013
1012
1011
1010
1009
1008
1008

Ozone (du)

382
386
383
382
386
384
380
373
368
360
355
354
354
353
350
351
351
353
354
352
350
352
354
358

Friday 19

Waxing Gibbous 87%

16:36

04:51

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

Sun - Rise: 05:57, Set: 19:48, Transit: 12:52. Moon - Rise: 16:36, Set: 04:51. Civil Dark: 20:18 - 05:25. Nautical Dark: 20:56 - 04:47. Astro Dark: 21:38 - 04:05

Total Clouds (% Sky Obscured)

100
91
69
76
81
88
78
71
78
70
75
0
1
46
71
100
100
100
100
100
100
96
72
70

Low Clouds (% Sky Obscured)

93
76
48
65
88
57
45
0
0
0
0
0
0
60
76
38
86
88
78
76
25
47
55
57

Medium Clouds (% Sky Obscured)

99
28
16
56
52
83
71
63
68
65
60
0
0
0
53
75
80
82
100
98
100
89
31
25

High Clouds (% Sky Obscured)

28
3
60
4
2
0
0
3
18
0
64
0
0
0
0
0
1
0
0
0
0
0
0
12

ISS Passover

Visibility (miles)

3
8
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

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

Precipitation Probability (%)

68
48
27
9
3
3
0
0
0
0
0
0
0
0
0
4
11
29
68
73
35
24
19
12

Precipitation Amount (mm)

0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.7
0
0
0
0

Wind Speed/Direction (mph)

14
13
15
18
16
15
13
13
12
11
10
10
10
11
12
14
14
14
13
13
13
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
11
9
6
4
2
2
1
0
0
1
1
-1
-2
-3
-3
-3
-2
-3
-3
-2
-1
1

Relative Humidity (%)

83
82
86
76
67
65
61
64
64
62
63
66
65
56
47
42
41
42
43
44
44
50
54
60

Pressure (mb)

1008
1008
1009
1010
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1012
1012
1011
1010
1010
1009
1009
1009
1009
1009

Ozone (du)

361
362
365
367
369
373
376
379
384
393
416
420
421
423
425
429
434
440
446
454
471
478
479
479

Saturday 20

Waxing Gibbous 93%

17:40

05:06

20 Bad
21 OK
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
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: 05:55, Set: 19:49, Transit: 12:52. Moon - Rise: 17:40, Set: 05:06. Civil Dark: 20:19 - 05:24. Nautical Dark: 20:58 - 04:45. Astro Dark: 21:40 - 04:02

Total Clouds (% Sky Obscured)

55
30
2
1
1
1
2
3
3
5
93
98
95
46
88
100
100
99
99
100
100
95
89
80

Low Clouds (% Sky Obscured)

38
33
0
0
0
0
0
0
0
0
28
40
42
30
58
75
74
60
52
47
42
51
63
68

Medium Clouds (% Sky Obscured)

23
2
1
0
0
0
1
1
1
2
26
46
44
2
38
75
85
81
88
94
95
85
75
62

High Clouds (% Sky Obscured)

1
0
0
0
0
0
1
0
0
0
70
70
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
7
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
0
0
0
0
0
0
0
0
0
1
2
1
2
4
13
8
8
6
6
17
14
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
66
70
70
71
73
73
72
76
77
77
77
77
73
68
61
60
61
53
44
42
46
52
53

Pressure (mb)

1010
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1012
1012
1012
1011
1010
1010
1009
1009
1009

Ozone (du)

478
475
472
465
461
459
462
461
459
456
457
457
461
463
465
467
468
466
461
454
447
443
440
440

Sunday 21

Waxing Gibbous 97%

18:45

05:21

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

Sun - Rise: 05:54, Set: 19:50, Transit: 12:52. Moon - Rise: 18:45, Set: 05:21. Civil Dark: 20:21 - 05:22. Nautical Dark: 21:00 - 04:43. Astro Dark: 21:42 - 04:00

Total Clouds (% Sky Obscured)

75
87
89
78
31
44
40
8
6
12
15
18
25
30
35
45
26
2
4
7
8
6
3
0

Low Clouds (% Sky Obscured)

64
68
69
56
32
33
23
7
2
10
16
22
30
35
41
39
21
1
4
8
10
7
4
0

Medium Clouds (% Sky Obscured)

56
50
42
28
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

9
9
9
8
9
5
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 (%)

17
22
17
17
17
8
5
2
2
4
3
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-2
-2
-3
-3
-3
-2
-5
-5
-4
-7
-9
-12
-12
-12
-13
-13
-12
-12
-12
-13
-12
-12
-11

Relative Humidity (%)

54
55
55
54
56
60
64
54
58
65
56
48
38
35
32
29
27
26
24
23
22
22
23
25

Pressure (mb)

1008
1008
1008
1008
1009
1009
1010
1011
1012
1013
1014
1015
1017
1017
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017

Ozone (du)

442
444
446
448
450
448
448
449
451
453
455
454
453
451
452
451
447
445
442
440
442
444
444
442

Monday 22

Waxing Gibbous 99%

19:52

05:37

20 Good
21 Good
22 Good
23 Good
00 OK
01 OK
02 OK
03 OK
04 OK
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: 05:52, Set: 19:52, Transit: 12:52. Moon - Rise: 19:52, Set: 05:37. Civil Dark: 20:22 - 05:20. Nautical Dark: 21:01 - 04:41. Astro Dark: 21:44 - 03:58

Total Clouds (% Sky Obscured)

0
0
0
10
21
32
31
32
37
65
84
99
85
77
73
83
89
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
4
7
11
11
12
12
11
12
9
9
5
5
21
42
65

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
9
15
21
34
72
98
88
79
69
78
84
95
94
95
97
97
98
100

High Clouds (% Sky Obscured)

0
0
0
9
19
30
22
14
6
40
70
92
66
49
42
44
36
31
54
77
100
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
7
5

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
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
1
0
0
1
1
0
0
0
0
2
6
11
17
22
25
50
65
78

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
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
6
5
5
4
4
4
3
3
4
5
5
8
11
13
14
15
16
16
16
16
14
13

Feels Like (°C)

5
5
4
4
3
2
1
1
0
1
0
0
0
2
4
6
7
7
8
13
13
13
11
11

Dew Point (°C)

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

Relative Humidity (%)

27
30
34
39
40
40
40
41
43
50
53
54
49
44
40
37
39
42
44
49
56
63
70
80

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1016
1015
1014
1014
1013
1013
1012
1012

Ozone (du)

441
441
441
440
441
440
441
441
442
438
436
437
438
439
440
441
442
442
442
438
434
430
430
430

Tuesday 23

Full Moon 100%

No Rise

05:56

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

Sun - Rise: 05:50, Set: 19:53, Transit: 12:52. Moon - Rise: No Rise, Set: 05:56. Civil Dark: 20:24 - 05:18. Nautical Dark: 21:03 - 04:39. Astro Dark: 21:46 - 03:55

Total Clouds (% Sky Obscured)

91
83
79
86
94
100
100
100
100
99
99
98
97
95
94
82
67
55
55
59
59
63
71
70

Low Clouds (% Sky Obscured)

58
54
47
61
70
78
84
92
100
96
92
88
75
64
54
45
36
25
25
34
39
48
42
51

Medium Clouds (% Sky Obscured)

85
72
61
75
87
95
97
98
100
98
96
93
91
87
82
74
69
65
52
31
8
6
3
0

High Clouds (% Sky Obscured)

68
37
5
5
5
10
15
15
15
20
20
30
35
35
35
30
30
25
19
13
11
9
5
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

83
85
86
81
73
68
67
69
74
84
91
95
90
85
81
82
74
67
52
38
24
22
21
16

Precipitation Amount (mm)

0.5
0.5
0.6
0.5
0.4
0.4
0.3
0.3
0.4
0.5
0.6
0.7
0.6
0.5
0.4
0.5
0.3
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
11
11
10
10
10
9
9
9
8
7
5
3
2
3
3
3
4
4
5
5
6
5
4

Feels Like (°C)

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

Dew Point (°C)

11
10
10
9
8
8
7
6
6
6
4
2
0
0
1
1
2
2
2
2
2
2
1
0

Relative Humidity (%)

93
91
91
91
90
87
85
84
84
82
84
83
85
86
86
89
88
88
86
83
80
76
75
73

Pressure (mb)

1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1011
1012
1013
1013
1013
1014
1014
1015
1015
1016
1017
1017
1018
1019

Ozone (du)

430
427
425
422
421
419
417
411
406
401
402
403
404
408
411
414
423
433
442
446
450
454
461
469

Wednesday 24

Waning Gibbous 98%

21:01

06:19

20 Bad
21 Bad
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 OK
10 OK
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:49, Set: 19:54, Transit: 12:52. Moon - Rise: 21:01, Set: 06:19. Civil Dark: 20:25 - 05:17. Nautical Dark: 21:04 - 04:37. Astro Dark: 21:48 - 03:53

Total Clouds (% Sky Obscured)

58
41
26
42
58
74
77
72
63
56
40
37
41
36
41
51
73
85

Low Clouds (% Sky Obscured)

43
32
17
28
33
34
29
29
24
23
21
23
30
33
40
47
53
55

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
3
13
24
32
21
11
0
0
0
0

High Clouds (% Sky Obscured)

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

Fog (%)

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

Precipitation Probability (%)

16
12
0
3
4
3
9
11
12
14
13
10
11
10
9
10
10
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
73
73
74
71
70
69
67
67
68
62
58
53
51
49
46
47
48

Pressure (mb)

1020
1021
1022
1022
1023
1023
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

476
484
492
500
500
500
500
498
497
496
497
498
498
498
497
497
494
491

Forecast for Le Vieux-Port, Montréal, Canada (45.50,-73.57)

Generated: 18/04/24 20:29:21. Forecast: 18/04/24 to 24/04/24. Timezone: UTC-4.00