Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 13

Waning Crescent 21%

05:14

13:59

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
20 Bad
21 OK
22 OK

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)

100
100
100
100
100
100
100
100
100
98
97
96
97
100
100
100
99
100
91
67
76
60
30
28

Low Clouds (% Sky Obscured)

100
97
97
92
92
89
94
93
89
88
91
89
83
85
89
93
94
74
55
51
71
51
15
14

Medium Clouds (% Sky Obscured)

100
100
96
100
100
100
100
99
100
92
82
79
89
96
82
100
97
100
78
40
20
25
22
1

High Clouds (% Sky Obscured)

91
94
42
29
100
98
86
37
2
1
0
0
0
0
25
25
20
20
1
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
95
95
95
95
95
94
85
73
64
47
35
42
51
63
75
68
82
83
61
24
6
2

Precipitation Amount (mm)

1.2
1
1
1
0.7
0.8
0.9
0.8
0.6
0.4
0.3
0.2
0
0.1
0.2
0.3
0.4
0.2
0.5
0.8
0.4
0
0
0

Wind Speed/Direction (mph)

12
11
11
11
10
8
6
6
4
2
1
5
7
7
7
7
8
8
6
6
9
11
12
11

Chance of Frost

Temperature (°C)

-2
-1
-1
-1
-1
-1
-1
-1
-1
-1
-0
-1
-1
-1
-0
0
0
0
1
1
0
-0
-1
-2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
96
98
96
96
98
98
98
98
98
100
100
96
98
98
98
98
96
94
98
98
92
81
81

Pressure (mb)

1006
1004
1003
1002
1001
1001
1000
1001
1001
1002
1003
1004
1005
1006
1007
1008
1010
1011
1013
1015
1016
1019
1021
1022

Ozone (du)

474
472
472
474
476
473
472
476
484
491
489
491
492
492
495
494
493
496
493
482
473
472
463
459

Saturday 14

Waning Crescent 13%

05:42

15:11

23 Good
00 Good
01 OK
02 Bad
03 OK
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

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
12
32
85
34
87
77
79
84
90
81
87
99
99
98
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
3
2
2
1
8
9
11
16
2
3
3
40
30
37
90
98
100
76
55
15
10
20
15

Medium Clouds (% Sky Obscured)

0
7
0
2
6
27
27
64
63
59
42
86
97
99
97
98
99
100
100
100
100
100
91
83

High Clouds (% Sky Obscured)

0
0
24
82
28
71
39
17
46
69
59
40
51
56
29
71
82
92
94
68
61
35
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
6
6
3
4
9
9
9
9
9
9
5
1
0
0
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
Snow
Snow
Snow
None
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
16
27
51
95
78
25
17
4
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
1
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
8
7
6
3
2
2
1
2
4
5
6
7
7
9
9
8
9
9
9
9
11
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
86
87
87
89
90
90
92
92
89
85
82
82
82
78
81
84
92
98
96
86
80
70
59

Pressure (mb)

1023
1025
1026
1027
1028
1028
1029
1030
1031
1031
1031
1031
1031
1030
1030
1028
1027
1025
1024
1023
1021
1020
1018
1016

Ozone (du)

448
439
430
425
421
416
414
413
413
410
409
405
402
398
395
393
390
386
384
382
379
377
376
374

Sunday 15

Waning Crescent 7%

06:06

16:25

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
20 Bad
21 Bad
22 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)

100
100
98
100
98
73
75
91
94
100
90
93
90
72
92
72
70
90
69
100
100
100
100
100

Low Clouds (% Sky Obscured)

20
19
21
27
32
35
35
47
65
63
57
64
67
65
74
72
46
49
52
76
51
72
84
95

Medium Clouds (% Sky Obscured)

82
74
69
77
66
31
47
62
75
100
69
70
43
15
72
0
25
20
18
75
89
84
86
93

High Clouds (% Sky Obscured)

100
100
97
97
98
73
56
53
71
72
17
67
33
7
35
2
7
73
14
100
100
99
97
96

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
5
4
3

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
Light Rain
Light Rain

Precipitation Probability (%)

1
0
0
1
0
2
8
31
37
65
41
21
35
8
4
4
1
23
44
16
52
95
95
95

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
1
1.3
1.5

Wind Speed/Direction (mph)

16
18
18
17
16
16
16
15
13
10
11
12
12
13
15
16
16
16
16
16
18
16
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
59
66
70
77
80
82
88
93
93
94
94
90
84
78
78
83
86
87
86
86
89
90
88

Pressure (mb)

1015
1014
1013
1012
1011
1010
1009
1008
1007
1005
1004
1002
1001
999
998
996
995
993
992
990
988
987
989
990

Ozone (du)

370
367
368
367
367
368
368
365
361
358
355
354
357
359
358
359
358
358
358
358
357
356
360
363

Monday 16

Waning Crescent 2%

06:26

17:39

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
20 Bad
21 Bad
22 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)

100
100
100
93
84
64
63
57
52
68
83
93
94
95
96
94
91
88
91
93
97
84
69
59

Low Clouds (% Sky Obscured)

97
98
100
93
84
44
43
34
29
68
83
93
94
95
96
94
91
88
91
91
90
83
68
59

Medium Clouds (% Sky Obscured)

96
98
100
47
23
0
0
0
0
0
0
0
2
5
6
3
2
0
9
24
42
37
23
21

High Clouds (% Sky Obscured)

97
99
100
72
30
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
1
0
0
9
9
9
9
9
9
9
2
1
2
7
2
0
5
2
2
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
Moderate Rain
Snow
Snow
Snow
None
None
None
None
None
None
None
Snow
None
None
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
76
48
28
18
10
5
9
31
26
37
15
20
33
36
29
26
31
6
14
6
4

Precipitation Amount (mm)

2
2.5
1.3
0.3
0.1
0
0
0
0
0
0
0
0.2
0
0
0.1
0.1
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
18
17
18
19
18
18
18
18
19
19
19
19
19
19
17
17
16
14
14
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
-3
-6
-8
-9
-9
-9
-9
-10
-11
-12
-12
-12
-13
-13
-13
-13
-14
-14
-14
-14
-15
-15
-15

Dew Point (°C)

4
2
0
-2
-6
-7
-8
-9
-10
-11
-10
-9
-9
-10
-12
-12
-10
-12
-12
-12
-13
-14
-14
-14

Relative Humidity (%)

86
88
91
89
70
68
65
65
64
62
65
70
72
70
58
62
79
64
67
68
64
61
63
63

Pressure (mb)

990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1009
1010
1012
1014
1015
1016

Ozone (du)

370
373
374
374
380
389
393
399
401
405
409
413
419
426
428
431
435
445
463
472
479
491
497
497

Tuesday 17

Waning Crescent 0%

06:45

18:55

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
18 Bad
19 OK
20 OK
21 Bad
22 Bad

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)

70
77
91
98
98
97
80
54
30
52
69
90
95
94
86
88
75
74
67
56
47
46
57
70

Low Clouds (% Sky Obscured)

70
59
91
98
96
94
80
54
30
52
69
83
85
76
66
5
5
32
25
10
5
3
0
0

Medium Clouds (% Sky Obscured)

25
25
17
11
5
0
0
0
0
0
0
0
5
7
9
11
11
11
15
18
19
15
15
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
5
8
11
23
32
42

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
8
11
16
17
12
16
16
15
15
12
9
7
3
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)

10
10
10
9
8
8
7
8
8
8
9
9
9
9
10
10
9
8
7
5
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-15
-15
-15
-15
-15
-15
-14
-14
-14
-14
-14
-13
-12
-12
-12
-12
-12
-11
-11
-11
-9
-9

Dew Point (°C)

-15
-15
-16
-16
-16
-16
-15
-15
-15
-16
-17
-17
-17
-16
-16
-15
-16
-15
-15
-14
-13
-12
-12
-11

Relative Humidity (%)

63
60
59
60
61
62
65
65
66
62
55
53
51
48
47
47
46
47
47
51
55
60
61
63

Pressure (mb)

1017
1018
1019
1020
1021
1022
1023
1024
1025
1027
1027
1028
1029
1029
1030
1030
1030
1030
1029
1030
1030
1030
1030
1030

Ozone (du)

491
499
514
517
502
499
494
477
471
469
469
460
444
433
424
417
414
410
407
406
405
404
401
398

Wednesday 18

New Moon 1%

07:03

20:12

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:57, Set: 19:06, Transit: 13:01. Moon - Rise: 07:03, Set: 20:12. Civil Dark: 19:35 - 06:27. Nautical Dark: 20:10 - 05:53. Astro Dark: 20:45 - 05:17

Total Clouds (% Sky Obscured)

81
89
98
98
99
100
99
98
98
97
98
98
97
97
97
99
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
8
16
28
56
70
78
79
76
72
77
84
91
88
85
85
86
87
86

Medium Clouds (% Sky Obscured)

39
68
95
97
98
100
96
93
94
95
93
92
93
97
97
75
54
32
27
22
21
40
59
66

High Clouds (% Sky Obscured)

38
34
27
39
48
54
57
59
50
56
58
62
40
20
0
0
4
3
4
2
1
29
61
76

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
4
2
1
1
0
3
6
9
6
3
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
3
4
4
17
21
22
32
37
40
41
41
40
38
37
36
37
37
37
36
33
27

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-8
-8
-9
-9
-9
-9
-9
-9
-7
-7
-6
-6
-5
-5
-2
-2
-2
-2
-2
-2
-2
-2

Dew Point (°C)

-11
-11
-11
-11
-10
-10
-9
-9
-8
-7
-5
-4
-2
-2
-2
-2
-1
0
1
1
1
0
0
0

Relative Humidity (%)

65
65
65
63
66
68
68
72
76
81
84
86
87
83
77
74
81
89
98
98
100
98
98
98

Pressure (mb)

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

Ozone (du)

394
394
394
394
395
396
397
399
401
403
403
403
403
402
402
402
401
401
401
401
402
403
403
402

Thursday 19

Waxing Crescent 4%

07:23

21:32

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: 06:55, Set: 19:07, Transit: 13:01. Moon - Rise: 07:23, Set: 21:32. Civil Dark: 19:37 - 06:25. Nautical Dark: 20:11 - 05:51. Astro Dark: 20:47 - 05:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
97
93
92
89
84
81
78
72
75
75
72

Low Clouds (% Sky Obscured)

91
96
100
100
100
100
99
99
98
94
90
80
77
72
66
66
59
56
56
59
59

Medium Clouds (% Sky Obscured)

64
66
68
79
89
100
100
100
100
98
97
93
92
89
84
81
78
72
75
75
72

High Clouds (% Sky Obscured)

50
60
74
71
71
75
74
59
68
69
64
70
85
89
84
81
78
72
75
75
72

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

25
22
20
43
59
74
89
95
95
95
86
80
84
86
87
85
82
77
66
53
38

Precipitation Amount (mm)

0
0
0
0.1
0.2
0.4
0.6
0.7
0.8
0.6
0.5
0.4
0.5
0.5
0.5
0.5
0.5
0.4
0.3
0.2
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-2
-2
-2
-2
-2

Dew Point (°C)

0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
-0

Relative Humidity (%)

96
96
96
98
98
98
98
100
100
98
100
100
100
100
100
100
100
98
100
100
98

Pressure (mb)

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

Ozone (du)

402
400
398
396
393
390
388
389
391
393
393
393
393
393
393
393
395
397
398
400
402

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

Generated: 13/03/26 22:26:05. Forecast: 13/03/26 to 19/03/26. Timezone: UTC-4.00