Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 24

Waxing Crescent 40%

09:35

02:46

05 OK
06 Good
07 Good
08 Good
09 OK
10 OK
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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:45, Set: 19:11, Transit: 12:58. Moon - Rise: 09:35, Set: 02:46. Civil Dark: 19:41 - 06:15. Nautical Dark: 20:16 - 05:40. Astro Dark: 20:53 - 05:03

Total Clouds (% Sky Obscured)

12
7
4
8
40
25
52
100
100
100
100
100
100
100
100
93
89
83
63
80
40
95
52
91

Low Clouds (% Sky Obscured)

3
3
4
8
35
21
5
29
17
4
2
2
30
37
44
54
79
72
51
74
36
43
8
36

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
37
98
100
100
100
100
100
100
100
89
86
36
18
30
3
54
41
85

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
42
92
99
3
0
0
0
0
0
0
0
0
0
0
0
0
9

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
2
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
0
0
0
0
0
0
1
1
0
0
0
0
0
2
5
4
6
4
8
6
19
5
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
90
90
85
74
71
72
72
68
61
64
61
61
63
66
68
72
76
81
86
84
86
69
69

Pressure (mb)

1025
1026
1026
1027
1028
1028
1027
1026
1025
1025
1024
1023
1023
1022
1022
1022
1022
1022
1021
1021
1021
1021
1022
1023

Ozone (du)

400
399
406
412
413
421
423
417
415
419
427
442
460
468
470
474
482
496
502
506
506
508
506
508

Wednesday 25

First Quarter 52%

10:36

03:40

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:43, Set: 19:12, Transit: 12:58. Moon - Rise: 10:36, Set: 03:40. Civil Dark: 19:42 - 06:13. Nautical Dark: 20:17 - 05:38. Astro Dark: 20:54 - 04:59

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

73
67
33
15
25
30
30
43
77
81
85
66
45
56
94
93
96
94
92
78
91
94
90
89

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
98
93
89
70
100
100
100
100
96
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

55
1
0
47
73
88
97
81
49
86
100
100
99
100
100
100
100
100
100
100
100
100
100
28

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
None
None
None
None
Snow
Snow
Snow
None
None
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
34
58
64
57
43
40
54
49
53

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.2
0
0
0.3
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
64
58
52
49
47
46
45
44
44
46
47
47
52
63
69
70
72
70
73
76
90
90
92

Pressure (mb)

1024
1026
1027
1028
1028
1029
1028
1028
1027
1027
1026
1025
1024
1024
1024
1023
1023
1022
1022
1020
1019
1018
1018
1017

Ozone (du)

505
498
491
487
484
479
475
472
465
458
452
443
440
439
438
436
442
440
436
434
432
428
424
422

Thursday 26

Waxing Gibbous 64%

11:49

04:21

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:41, Set: 19:13, Transit: 12:57. Moon - Rise: 11:49, Set: 04:21. Civil Dark: 19:43 - 06:11. Nautical Dark: 20:19 - 05:36. Astro Dark: 20:56 - 04:57

Total Clouds (% Sky Obscured)

99
99
99
100
100
99
97
94
100
100
100
100
100
100
100
100
100
100
100
98
100
97
93
91

Low Clouds (% Sky Obscured)

86
88
92
95
91
89
90
87
94
95
100
100
100
98
100
100
100
94
91
81
75
78
82
84

Medium Clouds (% Sky Obscured)

94
91
95
98
99
95
85
74
63
100
100
100
100
100
100
100
100
100
100
93
96
79
58
41

High Clouds (% Sky Obscured)

24
14
1
13
0
62
75
70
100
100
100
100
100
100
100
100
100
100
66
67
100
78
53
44

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
1
1
0
1
1
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Frozen rai
None
None
None

Precipitation Probability (%)

58
52
78
85
95
91
95
85
56
67
59
65
95
95
95
95
95
95
91
67
95
39
16
9

Precipitation Amount (mm)

0.2
0.1
0.4
0.6
0.9
0.7
0.7
0.5
0.3
0.4
0.3
0.2
0.8
2.1
1.3
1.4
1.8
1.4
0.5
0.3
0.8
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-10
-10
-9
-9
-9
-8
-7
-5
-5
-4
-4
-4
-4
-4
-4
-5
-5
-4
-5
-5
-5
-4
-4

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
92
94
92
94
94
94
94
96
96
96
98
98
98
98
96
98
96
96
98
98
96

Pressure (mb)

1016
1015
1015
1014
1014
1013
1013
1012
1011
1010
1009
1008
1007
1005
1005
1003
1002
1001
1000
999
999
1000
1001
1003

Ozone (du)

428
425
428
424
419
416
410
407
403
391
380
374
366
362
358
352
350
348
346
346
343
341
335
333

Friday 27

Waxing Gibbous 74%

13:07

04:51

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

Sun - Rise: 06:39, Set: 19:15, Transit: 12:57. Moon - Rise: 13:07, Set: 04:51. Civil Dark: 19:45 - 06:09. Nautical Dark: 20:20 - 05:34. Astro Dark: 20:57 - 04:55

Total Clouds (% Sky Obscured)

81
75
62
50
11
2
35
30
25
30
40
40
45
47
59
44
6
28
37
25
9
23
24
31

Low Clouds (% Sky Obscured)

74
64
54
44
9
1
25
30
25
30
40
40
45
47
59
44
6
28
37
25
8
4
3
2

Medium Clouds (% Sky Obscured)

17
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
2
2
18
24
31

High Clouds (% Sky Obscured)

36
13
44
29
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
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
9
3
1
1
0
1
1
1
0
0
1
2
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)

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

Chance of Frost

Temperature (°C)

-1
-2
-4
-5
-5
-4
-5
-4
-4
-4
-4
-4
-5
-6
-8
-10
-11
-12
-13
-13
-14
-14
-15
-15

Feels Like (°C)

-4
-6
-9
-10
-11
-9
-10
-11
-10
-10
-11
-10
-11
-12
-12
-14
-15
-15
-17
-18
-18
-18
-19
-19

Dew Point (°C)

-2
-4
-6
-7
-8
-8
-9
-10
-10
-10
-10
-9
-10
-11
-11
-13
-14
-15
-16
-16
-17
-18
-18
-19

Relative Humidity (%)

96
86
82
81
77
76
70
65
61
61
61
66
68
69
74
77
80
78
78
78
76
76
74
74

Pressure (mb)

1004
1007
1009
1011
1013
1015
1016
1017
1018
1019
1019
1020
1021
1022
1024
1025
1026
1027
1028
1029
1030
1030
1031
1031

Ozone (du)

332
333
335
338
346
352
357
361
368
374
381
388
392
395
392
392
390
393
399
405
409
414
412
415

Saturday 28

Waxing Gibbous 83%

14:26

No Set

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

Sun - Rise: 06:37, Set: 19:16, Transit: 12:57. Moon - Rise: 14:26, Set: No Set. Civil Dark: 19:46 - 06:07. Nautical Dark: 20:22 - 05:32. Astro Dark: 20:59 - 04:52

Total Clouds (% Sky Obscured)

23
18
13
11
8
7
49
66
85
92
97
100
100
23
27
48
64
81
87
92
96
97
99
100

Low Clouds (% Sky Obscured)

2
2
2
1
1
1
34
55
76
85
93
100
92
11
6
30
54
77
79
80
82
87
94
100

Medium Clouds (% Sky Obscured)

23
18
13
9
5
1
4
22
42
37
33
41
45
23
27
44
49
54
74
78
84
79
76
71

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
12
19
15
7
0
2
4
9

ISS Passover

Visibility (miles)

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

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
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
18
17
19
20
16
14
12
17
14
11
26
33
37
47
52
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-16
-17
-17
-15
-14
-12
-11
-10
-9
-8
-7
-6
-6
-6
-8
-9
-9
-9
-9
-8
-8
-7
-7
-6

Feels Like (°C)

-19
-19
-20
-18
-16
-15
-14
-14
-13
-12
-12
-11
-11
-11
-10
-12
-13
-12
-13
-13
-13
-13
-11
-11

Dew Point (°C)

-20
-20
-20
-19
-19
-18
-17
-16
-15
-14
-11
-10
-11
-10
-11
-11
-12
-11
-11
-11
-9
-8
-8
-7

Relative Humidity (%)

75
75
76
70
61
61
62
60
60
60
71
73
66
71
79
80
82
83
83
83
87
89
90
92

Pressure (mb)

1031
1032
1032
1032
1033
1033
1033
1032
1031
1030
1029
1028
1028
1027
1026
1026
1026
1025
1025
1024
1023
1022
1022
1022

Ozone (du)

420
427
433
442
474
506
525
524
516
514
511
515
511
508
502
501
500
499
498
487
476
464
461
458

Sunday 29

Waxing Gibbous 91%

15:42

05:15

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 OK
19 OK
20 OK
21 OK
22 Good
23 Good
00 OK
01 OK
02 OK
03 OK
04 OK

Sun - Rise: 06:36, Set: 19:17, Transit: 12:56. Moon - Rise: 15:42, Set: 05:15. Civil Dark: 19:47 - 06:06. Nautical Dark: 20:23 - 05:30. Astro Dark: 21:01 - 04:50

Total Clouds (% Sky Obscured)

91
81
72
63
57
48
48
61
66
62
61
53
47
40
31
22
17
10
15
26
31
31
30
30

Low Clouds (% Sky Obscured)

73
49
28
25
21
18
38
49
53
48
47
42
40
40
31
22
16
4
3
3
3
7
12
16

Medium Clouds (% Sky Obscured)

66
58
50
53
54
48
35
18
0
0
0
0
0
0
0
2
4
7
12
16
21
15
9
3

High Clouds (% Sky Obscured)

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

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

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

Precipitation Probability (%)

60
67
74
66
54
32
25
18
2
8
10
12
13
13
10
8
4
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.3
0.4
0.3
0.2
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
7
10
11
11
11
9
7
6
7
9
11
10
8
7
6
5
4
4
3
3
4
4

Chance of Frost

Temperature (°C)

-5
-6
-6
-7
-6
-5
-4
-3
-2
-1
-1
-1
-0
-2
-4
-6
-7
-8
-9
-10
-10
-11
-11
-12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
89
87
84
74
67
61
59
59
58
63
66
71
75
79
84
83
83
83
85
85
88
88
88

Pressure (mb)

1021
1022
1022
1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1027
1028
1029
1029
1029
1030
1030
1030
1030
1030
1030

Ozone (du)

454
455
455
455
454
452
451
448
444
441
438
434
430
432
434
436
436
435
435
435
435
435
430
424

Monday 30

Waxing Gibbous 96%

16:55

05:35

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
00 Bad
01 Bad

Sun - Rise: 06:34, Set: 19:19, Transit: 12:56. Moon - Rise: 16:55, Set: 05:35. Civil Dark: 19:49 - 06:04. Nautical Dark: 20:25 - 05:28. Astro Dark: 21:02 - 04:48

Total Clouds (% Sky Obscured)

48
66
84
90
89
90
91
95
98
99
100
100
100
100
100
97
94
89
91
93
97

Low Clouds (% Sky Obscured)

18
22
26
23
23
22
44
66
87
91
96
100
91
81
74
67
61
58
65
72
79

Medium Clouds (% Sky Obscured)

6
10
13
39
63
82
74
68
81
87
94
100
100
99
99
95
90
89
91
93
95

High Clouds (% Sky Obscured)

29
53
73
79
80
85
80
80
75
75
75
55
25
0
0
0
5
5
25
50
55

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
1
2
1
2
2
1
11
19
27
42
52
62
68
72
73
68
59
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.3
0.3
0.4
0.4
0.3
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-12
-11
-10
-9
-7
-5
-3
-2
-1
0
0
0
0
0
-0
-1
-1
-0
0
-0
-1

Feels Like (°C)

-13
-14
-14
-14
-12
-11
-11
-10
-9
-8
-3
-3
-4
-3
-3
-3
-4
-4
-4
-4
-5

Dew Point (°C)

-13
-13
-12
-11
-9
-8
-6
-5
-4
-4
-3
-2
-1
-1
-1
-1
-1
-0
-0
-1
-1

Relative Humidity (%)

88
88
88
87
83
81
76
76
78
77
83
87
94
96
98
100
98
100
98
98
98

Pressure (mb)

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

Ozone (du)

419
416
412
409
409
409
408
405
402
398
398
398
398
398
397
397
395
394
393
394
395

Forecast for Sorel-Tracy, Montérégie, Canada (46.04,-73.11)

Generated: 24/03/26 05:42:06. Forecast: 24/03/26 to 30/03/26. Timezone: UTC-4.00