Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 25

First Quarter 52%

11:49

03:40

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
18 Bad

Sun - Rise: 06:41, Set: 19:12, Transit: 12:57. Moon - Rise: 11:49, Set: 03:40. Civil Dark: 19:42 - 06:11. Nautical Dark: 20:17 - 05:36. Astro Dark: 20:54 - 04:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
100
100
100
100
100
100
100
99
97
90
69
69
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

25
35
85
83
67
92
74
92
80
91
91
92
100
99
77
71
62
55
45
39
15
38
79
94

Medium Clouds (% Sky Obscured)

100
100
100
100
100
96
100
100
100
99
100
100
94
94
46
87
22
22
100
100
86
75
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
65
70
65
8
0
0
0
0
0
0
0
6
25
100
100
91
100
100
96

ISS Passover

Visibility (miles)

9
9
9
1
0
0
0
0
0
0
0
0
0
0
0
0
2
1
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
59
75
95
95
81
95
95
95
95
95
75
53
24
18
2
17
8
12
17
15
31

Precipitation Amount (mm)

0
0
0.1
0.3
0.4
0.8
0.7
0.5
0.7
1.2
1.1
1.2
0.9
0.4
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
68
72
77
92
94
94
96
94
96
96
96
96
96
96
96
96
98
100
100
100
98
100
100

Pressure (mb)

1023
1022
1021
1020
1018
1016
1015
1013
1012
1010
1009
1008
1008
1007
1007
1008
1007
1007
1007
1007
1007
1007
1007
1006

Ozone (du)

425
426
430
432
432
430
429
426
424
421
424
422
419
415
407
402
404
397
387
378
377
367
365
359

Thursday 26

Waxing Gibbous 64%

13:07

04:21

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

Sun - Rise: 06:39, Set: 19:13, Transit: 12:57. Moon - Rise: 13:07, Set: 04:21. Civil Dark: 19:43 - 06:09. Nautical Dark: 20:19 - 05:34. Astro Dark: 20:56 - 04:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
91
85
45
45
29
23
20
13
2
2
2
2
3
26
45
45
52
52

Low Clouds (% Sky Obscured)

73
89
62
77
89
83
85
61
28
2
20
23
20
13
1
2
1
1
1
11
20
20
20
20

Medium Clouds (% Sky Obscured)

100
100
100
94
100
98
39
71
45
45
27
0
0
0
0
0
0
0
0
0
0
0
5
4

High Clouds (% Sky Obscured)

97
100
100
100
90
72
66
24
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
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 (%)

49
32
39
27
10
6
3
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-2
-3
-4
-5
-6
-7
-7
-8
-9
-11
-12
-12
-13
-13
-11
-11
-10
-9
-9
-9
-9
-9

Dew Point (°C)

2
1
0
-0
-1
-2
-3
-4
-6
-7
-8
-10
-11
-12
-14
-14
-14
-14
-14
-13
-13
-12
-12
-10

Relative Humidity (%)

100
98
94
93
86
81
80
80
79
78
77
76
76
71
64
62
57
55
54
53
51
52
54
65

Pressure (mb)

1007
1008
1008
1008
1008
1008
1009
1011
1012
1013
1015
1017
1018
1020
1022
1023
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

358
357
355
349
351
352
353
359
364
366
364
362
368
367
380
387
391
391
393
393
391
391
388
382

Friday 27

Waxing Gibbous 74%

14:26

04:51

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

Sun - Rise: 06:37, Set: 19:15, Transit: 12:57. Moon - Rise: 14:26, Set: 04:51. Civil Dark: 19:45 - 06:07. Nautical Dark: 20:20 - 05:32. Astro Dark: 20:57 - 04:55

Total Clouds (% Sky Obscured)

56
45
66
82
100
67
73
48
46
47
54
60
53
43
25
49
62
53
90
93
97
100
100
100

Low Clouds (% Sky Obscured)

20
17
17
17
17
21
21
21
18
3
3
12
24
24
25
49
62
53
83
89
95
100
100
100

Medium Clouds (% Sky Obscured)

18
16
54
78
100
62
73
48
46
47
54
60
53
43
25
49
45
31
38
54
69
86
81
72

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
9
9
9
9
9
9
9
9
9
9
9
9
9
8
5
5
8
9
4
2
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 (%)

0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
1
3
15
6
11
26
21
27
23

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
76
76
77
79
78
80
78
77
77
78
80
75
66
61
61
59
58
57
55
55
64
69
72

Pressure (mb)

1025
1025
1026
1026
1027
1027
1027
1028
1028
1028
1028
1029
1029
1030
1030
1030
1030
1030
1029
1029
1028
1027
1027
1027

Ozone (du)

377
381
386
391
398
402
408
411
415
420
433
451
485
516
523
516
511
500
497
495
498
496
489
478

Saturday 28

Waxing Gibbous 83%

15:42

05:15

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
18 OK

Sun - Rise: 06:36, Set: 19:16, Transit: 12:56. Moon - Rise: 15:42, Set: 05:15. Civil Dark: 19:46 - 06:06. Nautical Dark: 20:22 - 05:30. Astro Dark: 20:59 - 04:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
93
73
66
98
98
99
99
99
99
96
97
95
92
89
87
86
74
36

Low Clouds (% Sky Obscured)

100
92
83
73
74
76
68
38
29
24
65
78
84
89
95
95
97
95
92
89
87
86
71
27

Medium Clouds (% Sky Obscured)

68
72
63
55
52
48
45
44
45
96
97
83
50
45
43
45
54
60
68
54
38
22
18
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
3
0
9
9
9
9
9
9
9
9
1
1
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
11
14
45
41
15
6
9
10
6
6
4
2
23
22
25
27
21
20
19
16
8
8
7

Precipitation Amount (mm)

0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
82
76
81
96
90
87
85
87
87
87
87
87
89
87
76
67
57
56
57
58
59
57
59

Pressure (mb)

1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1028
1027
1027
1026
1026
1025
1025

Ozone (du)

472
470
472
475
474
468
466
462
458
459
460
456
443
432
425
431
434
439
440
442
440
441
440
438

Sunday 29

Waxing Gibbous 91%

16:55

05:35

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
18 Bad

Sun - Rise: 06:34, Set: 19:17, Transit: 12:56. Moon - Rise: 16:55, Set: 05:35. Civil Dark: 19:47 - 06:04. Nautical Dark: 20:23 - 05:28. Astro Dark: 21:01 - 04:50

Total Clouds (% Sky Obscured)

56
61
73
83
86
90
95
94
93
95
95
97
97
92
90
87
82
76
70
72
65
76
79
81

Low Clouds (% Sky Obscured)

50
41
42
43
55
70
84
81
83
88
86
85
19
34
61
80
82
76
70
72
65
76
79
81

Medium Clouds (% Sky Obscured)

12
27
56
51
63
60
67
63
65
65
69
78
87
80
69
56
41
43
45
55
60
66
57
48

High Clouds (% Sky Obscured)

0
0
1
25
20
25
25
25
30
30
7
17
35
40
40
35
25
25
30
30
30
40
46
43

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
8
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

4
8
8
1
2
2
1
5
7
7
6
4
0
19
28
34
66
88
95
90
72
45
38
34

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.9
0.6
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
74
74
71
77
80
78
78
80
80
80
84
83
81
80
80
79
83
89
96
94
94
91
91

Pressure (mb)

1025
1025
1025
1025
1024
1024
1024
1023
1022
1022
1022
1021
1020
1020
1019
1018
1018
1017
1016
1015
1015
1014
1014
1014

Ozone (du)

434
431
431
431
430
427
422
419
417
416
415
415
415
414
410
407
403
404
405
406
405
405
404
405

Monday 30

Waxing Gibbous 96%

18:06

05:52

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 OK
12 OK
13 Good
14 OK
15 OK
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:32, Set: 19:19, Transit: 12:56. Moon - Rise: 18:06, Set: 05:52. Civil Dark: 19:49 - 06:02. Nautical Dark: 20:25 - 05:25. Astro Dark: 21:02 - 04:48

Total Clouds (% Sky Obscured)

83
86
88
89
76
67
63
62
59
64
67
69
73
71
65
60
48
20
3
20
36
52
66
80

Low Clouds (% Sky Obscured)

83
67
50
32
19
8
2
1
1
1
1
1
1
1
0
0
0
0
1
4
8
10
17
33

Medium Clouds (% Sky Obscured)

39
51
64
75
76
67
63
62
59
58
47
36
27
21
4
4
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

39
31
23
15
17
20
24
21
12
2
12
23
32
34
35
37
26
17
3
13
17
21
42
66

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 (%)

32
28
24
16
11
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
2
0
-1
-2
-3
-4
-5
-5
-6
-7
-9
-11
-12
-13
-13
-14
-13
-13
-13
-12
-12
-11
-11

Relative Humidity (%)

89
89
85
81
78
77
75
74
71
67
64
59
55
51
48
45
43
42
40
39
39
39
41
45

Pressure (mb)

1015
1015
1016
1017
1018
1019
1020
1020
1021
1022
1023
1024
1025
1026
1027
1027
1028
1028
1028
1027
1027
1027
1027
1028

Ozone (du)

406
407
410
413
416
416
415
415
414
414
414
414
415
416
420
424
427
426
424
422
422
421
420
420

Tuesday 31

Waxing Gibbous 99%

No Rise

06:08

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

Sun - Rise: 06:30, Set: 19:20, Transit: 12:56. Moon - Rise: No Rise, Set: 06:08. Civil Dark: 19:50 - 06:00. Nautical Dark: 20:26 - 05:23. Astro Dark: 21:04 - 04:46

Total Clouds (% Sky Obscured)

94
95
95
96
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

48
52
56
63
68
77
86
93
97
99
99
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
1
7
18
55
81
100
100
99
99
99
99
98
95
93
92
84
73
60

High Clouds (% Sky Obscured)

87
89
93
95
92
89
87
86
84
87
96
100
100
100
100
100
95
83
74

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

2
14
20
22
41
54
65
95
95
95
95
95
95
82
65
46
49
50
50

Precipitation Amount (mm)

0
0
0
0
0.1
0.2
0.3
0.7
1
1.3
1.1
0.9
0.7
0.4
0.3
0.1
0.1
0.2
0

Wind Speed/Direction (mph)

6
6
7
8
9
10
11
12
13
14
15
15
15
15
15
15
15
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-5
-8
-9
-8
-9
-9
-9
-11
-10
-11
-10
-11
-11
-12
-12
-11
-11
-11

Dew Point (°C)

-10
-10
-10
-12
-12
-12
-12
-13
-12
-12
-11
-10
-9
-9
-8
-7
-6
-5
-4

Relative Humidity (%)

52
57
56
53
52
53
54
54
57
60
63
69
74
79
82
85
89
91
92

Pressure (mb)

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

Ozone (du)

419
418
416
415
413
410
408
405
401
398
394
392
390
388
386
383
381
377
373

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

Generated: 25/03/26 19:20:46. Forecast: 25/03/26 to 31/03/26. Timezone: UTC-4.00