Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 12

Waning Crescent 40%

03:56

11:47

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
19 Bad
20 OK
21 OK
22 OK
23 Bad
00 Bad
01 OK

Sun - Rise: 07:10, Set: 18:56, Transit: 13:03. Moon - Rise: 03:56, Set: 11:47. Civil Dark: 19:26 - 06:41. Nautical Dark: 20:00 - 06:06. Astro Dark: 20:35 - 05:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
39
49
29
31
41
62
59
40

Low Clouds (% Sky Obscured)

88
100
100
100
91
94
100
75
84
83
69
50
44
29
33
35
20
28
29
26
17
16
12
2

Medium Clouds (% Sky Obscured)

100
77
63
16
12
16
0
0
51
100
100
100
100
100
100
20
15
0
4
15
33
52
50
30

High Clouds (% Sky Obscured)

100
100
100
100
100
100
75
100
100
100
100
100
100
100
98
100
20
25
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
1
0
9
4
2
9
5
9
9
4
3
3
3
9
9
9
9
9
9
9
9
9
9

Fog (%)

8
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Frozen rai
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 (%)

95
47
28
22
17
11
6
19
8
14
4
14
12
8
14
3
2
4
2
4
1
0
0
0

Precipitation Amount (mm)

1.4
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)

3
2
8
20
18
18
17
17
18
17
17
17
17
15
15
14
14
12
11
10
10
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
100
86
86
83
77
76
76
75
73
75
73
71
69
71
69
71
72
75
75
76
78
77

Pressure (mb)

996
996
996
998
1000
1001
1003
1004
1006
1007
1007
1007
1007
1007
1007
1007
1008
1009
1011
1012
1013
1013
1013
1014

Ozone (du)

322
325
320
323
323
326
333
333
333
333
331
332
333
334
339
342
346
355
369
380
385
395
411
424

Friday 13

Waning Crescent 30%

04:39

12:50

02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
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: 07:08, Set: 18:58, Transit: 13:03. Moon - Rise: 04:39, Set: 12:50. Civil Dark: 19:27 - 06:39. Nautical Dark: 20:02 - 06:04. Astro Dark: 20:37 - 05:29

Total Clouds (% Sky Obscured)

45
34
19
19
30
43
24
52
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

3
2
2
2
10
3
6
48
53
62
63
41
64
100
100
92
87
100
38
55
62
80
100
82

Medium Clouds (% Sky Obscured)

30
34
18
17
2
32
23
50
50
100
100
100
100
100
100
100
100
100
100
100
100
100
95
97

High Clouds (% Sky Obscured)

0
0
0
0
0
43
5
52
100
100
100
100
80
80
85
4
4
11
76
19
85
85
85
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
3
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
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
5
29
81
67
64
77
82
79
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.2
0.2
0.5
0.4
0.4
0.8
0.9
1
1.3

Wind Speed/Direction (mph)

9
10
9
8
7
5
4
5
5
4
4
4
5
8
9
9
11
11
11
12
13
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-8
-8
-8
-9
-9
-8
-8
-7
-7
-7
-7
-8
-8
-5
-1
-1
-0
0
1
1
1

Relative Humidity (%)

77
79
79
80
80
79
77
73
70
68
67
63
59
57
59
61
75
96
96
94
94
96
96
96

Pressure (mb)

1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1014
1013
1011
1009
1008
1007
1007
1005
1004
1003
1001
1000
999
999

Ozone (du)

429
433
435
435
430
429
427
430
431
431
433
431
439
447
460
466
463
461
461
463
463
464
470
476

Saturday 14

Waning Crescent 21%

05:14

13:59

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
21 OK
22 Good
23 Good
00 Good
01 Good

Sun - Rise: 07:06, Set: 18:59, Transit: 13:03. Moon - Rise: 05:14, Set: 13:59. Civil Dark: 19:29 - 06:37. Nautical Dark: 20:03 - 06:02. Astro Dark: 20:38 - 05:27

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
100
100
100
100
98
71
57
83
87
75
59
22
3
3
3
5

Low Clouds (% Sky Obscured)

86
89
85
84
89
94
93
89
73
74
81
78
76
69
52
71
76
71
52
22
1
2
2
1

Medium Clouds (% Sky Obscured)

92
100
100
100
100
100
100
100
100
100
100
100
96
50
42
49
22
0
0
0
0
0
0
4

High Clouds (% Sky Obscured)

80
92
83
70
35
45
50
3
2
2
30
35
31
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
91
84
83
82
85
70
71
78
76
64
47
51
55
49
32
10
7
4
2
0
0
0
0

Precipitation Amount (mm)

0.9
0.6
0.5
0.5
0.5
0.6
0.3
0.4
0.5
0.5
0.4
0.2
0.2
0.3
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
96
94
94
94
94
94
94
92
94
94
92
96
91
80
80
81
82
84
85
84
85

Pressure (mb)

999
998
998
999
999
1000
1002
1003
1005
1007
1009
1010
1012
1013
1014
1016
1017
1019
1021
1022
1024
1025
1026
1027

Ozone (du)

475
475
477
477
478
488
494
494
497
505
506
506
502
501
502
496
492
494
493
484
474
465
453
447

Sunday 15

Waning Crescent 13%

05:42

15:11

02 Good
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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:04, Set: 19:00, Transit: 13:02. Moon - Rise: 05:42, Set: 15:11. Civil Dark: 19:30 - 06:35. Nautical Dark: 20:04 - 06:00. Astro Dark: 20:40 - 05:25

Total Clouds (% Sky Obscured)

6
10
23
43
69
93
89
85
71
86
87
87
92
96
100
100
99
99
93
85
80
80
83
85

Low Clouds (% Sky Obscured)

1
2
2
2
3
3
3
3
4
6
85
85
87
88
86
84
78
75
66
47
44
43
32
15

Medium Clouds (% Sky Obscured)

4
6
7
43
69
87
87
80
55
72
87
87
92
96
100
99
99
98
90
80
71
60
51
43

High Clouds (% Sky Obscured)

3
5
10
33
54
75
57
35
13
15
13
16
47
75
95
84
94
90
61
30
0
19
38
56

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
13
58
95
95
95
95
95
67
24
36
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.8
1.2
1.5
1.5
1
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
87
87
88
88
85
82
80
76
76
75
75
78
81
91
96
96
96
98
98
94
80
78

Pressure (mb)

1028
1029
1029
1030
1031
1032
1032
1032
1033
1032
1032
1032
1031
1030
1029
1028
1027
1025
1024
1022
1021
1019
1017
1015

Ozone (du)

439
436
431
428
424
418
414
408
405
401
399
395
392
387
386
386
384
384
381
381
379
377
376
375

Monday 16

Waning Crescent 7%

06:06

16:25

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:02, Set: 19:02, Transit: 13:02. Moon - Rise: 06:06, Set: 16:25. Civil Dark: 19:31 - 06:33. Nautical Dark: 20:06 - 05:59. Astro Dark: 20:41 - 05:23

Total Clouds (% Sky Obscured)

87
91
95
96
97
98
99
46
100
100
100
100
100
100
100
100
100
100
100
100
100
90
81
73

Low Clouds (% Sky Obscured)

5
0
4
17
41
39
45
41
66
83
87
89
80
76
76
77
78
79
78
76
74
71
68
64

Medium Clouds (% Sky Obscured)

46
53
61
39
80
86
61
16
11
52
79
58
62
68
78
79
77
74
58
47
30
22
23
23

High Clouds (% Sky Obscured)

61
65
72
55
39
29
53
46
100
100
100
100
100
100
100
100
100
100
100
100
100
85
63
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
1
0
0
0
1
4
7
9
7
4
2
2
1
1
4
7

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

Precipitation Probability (%)

6
5
2
16
26
37
35
30
29
43
72
95
95
69
14
56
87
95
95
95
95
88
81
59

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.7
0.6
0.3
0
0.2
0.5
0.8
1.2
1.1
0.6
0.4
0.4
0.2

Wind Speed/Direction (mph)

14
15
15
14
14
14
14
15
15
15
15
16
17
19
18
17
15
15
18
18
19
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
86
88
89
93
94
96
100
98
100
100
98
96
94
91
91
91
89
87
84
81
76
72

Pressure (mb)

1013
1012
1010
1009
1008
1006
1004
1002
1001
999
998
997
995
996
995
995
996
997
998
999
1000
1000
1002
1003

Ozone (du)

370
370
374
372
373
367
363
361
361
359
361
359
356
355
354
353
354
355
356
358
360
362
368
374

Tuesday 17

Waning Crescent 2%

06:26

17:39

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

Sun - Rise: 07:01, Set: 19:03, Transit: 13:02. Moon - Rise: 06:26, Set: 17:39. Civil Dark: 19:33 - 06:31. Nautical Dark: 20:07 - 05:57. Astro Dark: 20:43 - 05:21

Total Clouds (% Sky Obscured)

66
55
39
34
29
27
29
24
26
52
74
96
98
96
96
77
58
39
50
45
48
64
84
90

Low Clouds (% Sky Obscured)

63
55
39
34
29
27
29
24
25
43
59
66
63
61
60
47
34
22
21
20
14
25
40
54

Medium Clouds (% Sky Obscured)

13
8
0
0
0
0
4
9
13
11
6
4
5
8
8
13
18
24
28
30
39
33
19
5

High Clouds (% Sky Obscured)

31
19
4
2
1
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 (%)

30
11
1
5
4
2
8
9
5
13
15
15
19
20
8
12
11
4
7
7
3
9
8
4

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)

19
18
17
16
15
14
13
14
15
15
15
15
15
15
15
14
13
12
10
10
9
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-13
-14
-14
-15
-14
-14
-14
-14
-13
-12
-12
-10
-13
-12
-13
-13
-13
-12
-12
-12
-11
-12
-12

Dew Point (°C)

-11
-12
-13
-14
-14
-15
-15
-15
-14
-14
-14
-15
-15
-14
-14
-14
-14
-15
-15
-15
-14
-14
-14
-15

Relative Humidity (%)

67
66
64
64
63
61
61
58
57
55
54
52
51
52
51
50
51
50
51
52
54
55
56
57

Pressure (mb)

1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1013
1014
1014
1015
1015
1016
1017
1018
1019
1020
1021
1022
1022
1023

Ozone (du)

381
384
388
392
397
402
408
413
418
423
428
433
439
450
461
473
476
479
482
482
481
480
480
479

Wednesday 18

New Moon 0%

06:45

18:55

Sun - Rise: 06:59, Set: 19:04, Transit: 13:02. Moon - Rise: 06:45, Set: 18:55. Civil Dark: 19:34 - 06:29. Nautical Dark: 20:09 - 05:55. Astro Dark: 20:44 - 05:19

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 12/03/26 01:38:53. Forecast: 12/03/26 to 18/03/26. Timezone: UTC-4.00