Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 15

Waning Crescent 7%

06:06

16:25

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:02, Set: 19:00, Transit: 13:02. Moon - Rise: 06:06, Set: 16:25. Civil Dark: 19:30 - 06:33. Nautical Dark: 20:04 - 05:59. Astro Dark: 20:40 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
99
92
92
100
100
98
96
90
85
81
78
79
92
84
100

Low Clouds (% Sky Obscured)

49
0
32
50
57
46
43
40
40
36
31
59
73
79
70
68
75
62
69
57
63
60
43
40

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
83
77
71
73
84
77
100
98
84
86
54
47
5
1
4
58
47
70

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
76
90
19
18
26
100
54
19
27
50
38
30
77
92
73
100

ISS Passover

Visibility (miles)

0
0
0
2
9
9
9
9
9
9
9
9
6
9
8
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
Snow
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
Very Light Rain
None

Precipitation Probability (%)

27
21
58
48
14
0
0
0
6
13
27
50
61
95
88
71
31
14
6
2
2
20
56
30

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
11
11
10
9
12
17
19
20
19
16
18
18
16
15
13
15
16
17
18
18
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
89
80
68
60
63
69
74
80
83
86
88
88
89
85
84
77
80
80
83
84
86

Pressure (mb)

1026
1025
1024
1022
1020
1018
1017
1015
1014
1013
1012
1010
1009
1008
1006
1005
1004
1002
1000
999
997
996
995
993

Ozone (du)

385
381
379
374
369
365
363
362
363
362
361
364
367
363
361
357
355
350
350
353
353
353
355
355

Monday 16

Waning Crescent 2%

06:26

17:39

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 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:01, Set: 19:02, Transit: 13:02. Moon - Rise: 06:26, Set: 17:39. Civil Dark: 19:31 - 06:31. Nautical Dark: 20:06 - 05:57. Astro Dark: 20:41 - 05:21

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
47
37
67
34
47
52
44
49
100
93
86
92
88
83

Low Clouds (% Sky Obscured)

58
43
82
84
87
89
100
100
100
74
47
37
67
34
47
52
44
49
100
88
75
86
77
70

Medium Clouds (% Sky Obscured)

99
100
100
100
97
100
100
100
100
50
0
0
0
0
0
0
0
15
12
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
82
100
100
69
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

13
43
95
95
95
95
95
95
95
60
8
20
9
6
5
12
5
10
14
17
5
17
19
20

Precipitation Amount (mm)

0
0
2.5
1.4
3.4
3.3
1.5
2.1
1.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
14
17
18
17
15
20
20
16
18
20
22
22
23
20
21
21
20
20
20
19
20
19
17

Chance of Frost

Temperature (°C)

11
11
12
11
7
5
4
1
1
-0
-0
-1
-2
-5
-6
-6
-6
-6
-6
-7
-7
-8
-8
-9

Feels Like (°C)

6
7
6
5
2
-1
-4
-6
-6
-8
-8
-9
-10
-13
-12
-14
-13
-13
-13
-15
-16
-17
-16
-16

Dew Point (°C)

8
9
10
8
6
4
2
-1
-2
-5
-7
-9
-10
-13
-11
-15
-15
-16
-17
-16
-15
-17
-17
-17

Relative Humidity (%)

83
88
87
80
90
88
89
86
83
72
62
55
56
51
65
50
48
45
43
46
52
45
48
53

Pressure (mb)

992
990
989
988
988
988
989
990
991
992
993
994
996
997
999
1000
1001
1002
1003
1004
1005
1006
1008
1009

Ozone (du)

355
354
355
357
361
364
372
377
384
396
396
397
405
414
424
427
431
433
433
439
448
463
475
481

Tuesday 17

Waning Crescent 0%

06:45

No Set

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 Good
07 Good
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:59, Set: 19:03, Transit: 13:02. Moon - Rise: 06:45, Set: No Set. Civil Dark: 19:33 - 06:29. Nautical Dark: 20:07 - 05:55. Astro Dark: 20:43 - 05:19

Total Clouds (% Sky Obscured)

83
96
97
93
46
78
89
93
83
53
67
55
8
0
54
74
55
52
49
59
56
54
50
72

Low Clouds (% Sky Obscured)

67
43
67
40
40
75
80
83
76
53
67
55
8
0
54
74
55
52
37
20
13
7
0
3

Medium Clouds (% Sky Obscured)

7
59
52
50
3
25
35
10
4
0
0
0
0
0
0
0
0
0
0
8
25
42
48
69

High Clouds (% Sky Obscured)

0
0
0
0
0
0
14
0
0
0
0
0
0
0
0
0
0
0
13
33
22
12
0
1

ISS Passover

Visibility (miles)

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

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)

16
15
13
12
11
11
11
10
10
10
10
10
10
9
9
8
9
9
10
9
9
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-17
-17
-16
-16
-15
-15
-16
-16
-15
-16
-15
-15
-16
-16
-15
-15
-14
-13
-12
-12
-10
-9
-8
-8

Dew Point (°C)

-17
-19
-19
-20
-20
-19
-19
-19
-19
-19
-19
-20
-21
-21
-21
-21
-21
-21
-20
-20
-19
-18
-18
-18

Relative Humidity (%)

52
46
44
42
40
42
44
46
48
47
47
45
42
43
42
40
38
37
36
34
34
34
34
34

Pressure (mb)

1011
1013
1014
1015
1016
1017
1018
1018
1019
1021
1022
1023
1024
1025
1026
1028
1029
1029
1030
1029
1029
1029
1029
1028

Ozone (du)

484
488
482
481
481
486
493
507
498
490
477
468
465
463
459
452
446
441
438
432
423
416
415
415

Wednesday 18

New Moon 1%

07:03

18:55

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:57, Set: 19:04, Transit: 13:01. Moon - Rise: 07:03, Set: 18:55. Civil Dark: 19:34 - 06:27. Nautical Dark: 20:09 - 05:53. Astro Dark: 20:44 - 05:17

Total Clouds (% Sky Obscured)

63
88
90
89
84
89
89
88
91
93
96
95
94
94
93
93
92
91
88
85
80
73
70
79

Low Clouds (% Sky Obscured)

4
6
21
42
41
33
32
58
86
70
79
88
94
94
93
79
90
91
88
85
80
64
55
62

Medium Clouds (% Sky Obscured)

54
81
84
75
52
79
88
88
90
93
96
95
93
89
88
91
77
83
81
73
64
57
56
68

High Clouds (% Sky Obscured)

2
4
3
2
0
2
5
4
1
1
7
6
6
5
6
28
15
12
6
4
2
0
0
33

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
8

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
1
1
0
0
1
2
1
2
2
0
1
5
4
5
4
4
3
6
9
8
12
17
44

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-17
-16
-16
-16
-16
-15
-15
-15
-14
-14
-13
-13
-12
-12
-12
-11
-9
-9
-9
-9
-9
-8
-4
-1

Relative Humidity (%)

36
38
39
39
41
44
45
45
48
48
50
52
53
54
52
53
52
47
45
43
41
42
55
71

Pressure (mb)

1029
1029
1030
1030
1030
1029
1029
1029
1028
1028
1027
1026
1026
1026
1025
1025
1025
1024
1023
1022
1021
1020
1019
1018

Ozone (du)

414
412
408
405
401
398
397
397
399
401
402
401
399
401
403
404
405
404
402
399
401
404
405
407

Thursday 19

Waxing Crescent 4%

07:23

20:12

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:55, Set: 19:06, Transit: 13:01. Moon - Rise: 07:23, Set: 20:12. Civil Dark: 19:35 - 06:25. Nautical Dark: 20:10 - 05:51. Astro Dark: 20:45 - 05:15

Total Clouds (% Sky Obscured)

90
100
100
100
100
100
100
100
100
100
100
100
99
99
92
84
76
82
88
94
96
98
99
99

Low Clouds (% Sky Obscured)

64
66
75
87
100
100
100
100
100
100
100
97
94
91
82
72
64
62
62
62
62
64
69
62

Medium Clouds (% Sky Obscured)

84
100
100
99
99
68
77
100
100
100
100
97
92
85
69
61
53
33
11
0
19
37
52
52

High Clouds (% Sky Obscured)

67
100
100
100
90
90
100
100
71
27
0
0
0
0
0
0
0
23
47
70
76
86
90
85

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
7
8
8
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Very Light Rain
Sleet
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

55
68
71
74
65
79
89
89
94
86
95
95
83
71
91
69
36
31
24
14
11
8
2
4

Precipitation Amount (mm)

0.3
0.4
0.4
0.5
0.4
0.6
0.7
0.6
0.6
0.3
0.5
0.6
0.4
0.3
0.5
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
8
10
11
11
12
11
13
13
13
12
11
12
14
14
15
16
16
16
16
15
14
14

Chance of Frost

Temperature (°C)

3
2
2
2
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
98
96
96
96
96
98
96
100
98
96
98
98
96
94
91
86
83
72
62
55
53
52
48

Pressure (mb)

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

Ozone (du)

408
410
412
414
413
412
412
415
416
418
421
424
427
426
426
423
419
416
414
411
409
408
407
407

Friday 20

Waxing Crescent 10%

07:46

21:32

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

Sun - Rise: 06:53, Set: 19:07, Transit: 13:01. Moon - Rise: 07:46, Set: 21:32. Civil Dark: 19:37 - 06:23. Nautical Dark: 20:11 - 05:49. Astro Dark: 20:47 - 05:13

Total Clouds (% Sky Obscured)

97
94
91
88
87
84
83
85
85
84
81
78
71
68
54
38
28
36
47
66
78
89
100
100

Low Clouds (% Sky Obscured)

73
87
79
70
62
44
25
6
12
16
21
24
28
30
31
30
28
29
27
26
17
9
0
0

Medium Clouds (% Sky Obscured)

51
55
54
54
58
60
62
55
49
39
41
42
35
29
17
8
4
23
44
66
78
89
100
100

High Clouds (% Sky Obscured)

85
85
90
85
80
72
66
51
29
15
1
1
0
0
0
0
0
1
2
14
58
85
92
84

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 (%)

4
1
2
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
54
56
57
59
62
60
59
58
55
54
52
51
50
50
45
41
38
37
35
33
34
34
35

Pressure (mb)

1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014

Ozone (du)

407
407
407
409
412
414
416
419
421
419
417
415
415
415
416
414
412
411
408
405
402
400
399
397

Saturday 21

Waxing Crescent 18%

08:14

22:54

18 Bad
19 Bad
20 Bad
21 Bad
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

Sun - Rise: 06:51, Set: 19:08, Transit: 13:00. Moon - Rise: 08:14, Set: 22:54. Civil Dark: 19:38 - 06:22. Nautical Dark: 20:13 - 05:47. Astro Dark: 20:49 - 05:11

Total Clouds (% Sky Obscured)

99
96
86
55
38
71
95
95
100
95
99
94
93
83
79
75
76
86
95
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
15
19
24
23
27
40
44
51
50
48
46
48
41

Medium Clouds (% Sky Obscured)

99
96
86
55
38
71
91
90
76
63
44
29
16
5
10
14
23
47
67
95

High Clouds (% Sky Obscured)

79
74
65
48
38
32
16
0
12
24
36
42
50
58
47
35
23
16
9
2

ISS Passover

Visibility (miles)

8
6
5
6
8
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
18
18
14
5
7
6
1
2
1
0
2
2
2
3
2
1
4
3
1

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-14
-13
-13
-12
-12
-11
-11
-11
-11
-11
-11
-11
-10
-10
-10
-10
-10
-10
-10
-10

Relative Humidity (%)

37
41
43
46
49
50
52
52
54
55
56
56
58
59
60
57
54
51
50
48

Pressure (mb)

1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1013

Ozone (du)

396
396
395
390
385
380
375
370
365
359
353
347
347
346
345
347
348
350
356
362

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

Generated: 15/03/26 18:12:30. Forecast: 15/03/26 to 21/03/26. Timezone: UTC-4.00