Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 27

Waxing Gibbous 70%

11:07

03:48

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
05 Bad
06 Bad

Sun - Rise: 07:23, Set: 16:52, Transit: 12:07. Moon - Rise: 11:07, Set: 03:48. Civil Dark: 17:24 - 06:49. Nautical Dark: 18:01 - 06:13. Astro Dark: 18:36 - 05:37

Total Clouds (% Sky Obscured)

48
69
90
100
100
100
100
100
100
100
100
98
98
94
95
92
71
82
68
66
71
73
78
78

Low Clouds (% Sky Obscured)

20
14
14
70
86
88
87
91
92
90
93
92
84
90
92
89
71
72
68
66
71
73
78
78

Medium Clouds (% Sky Obscured)

48
69
90
100
100
100
100
100
100
100
99
96
93
82
72
40
45
66
25
5
2
2
0
2

High Clouds (% Sky Obscured)

48
65
60
49
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
3
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
9
27
45
70
85
91
93

Precipitation Type

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

Precipitation Probability (%)

0
0
0
4
22
37
39
43
39
36
31
30
19
23
12
7
4
1
2
0
0
0
0
2

Precipitation Amount (mm)

0
0
0
0
0
0.1
0.1
0.2
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-24
-24
-23
-21
-18
-17
-16
-15
-15
-16
-16
-17
-17
-18
-18
-18
-20
-21
-21
-22
-22
-22
-22
-22

Feels Like (°C)

-28
-28
-27
-25
-22
-21
-20
-20
-20
-20
-20
-21
-21
-22
-22
-23
-24
-25
-25
-26
-26
-26
-27
-26

Dew Point (°C)

-27
-27
-25
-24
-21
-19
-18
-18
-17
-18
-18
-19
-19
-20
-20
-21
-22
-23
-24
-24
-25
-25
-25
-25

Relative Humidity (%)

74
75
75
71
77
79
81
81
82
84
86
86
86
84
84
82
81
78
78
77
76
76
76
76

Pressure (mb)

1014
1014
1013
1013
1012
1011
1010
1009
1009
1009
1010
1010
1011
1011
1012
1012
1012
1013
1013
1014
1015
1015
1016
1016

Ozone (du)

379
377
387
381
385
379
375
377
382
379
376
375
373
367
373
387
391
416
435
454
458
453
453
452

Wednesday 28

Waxing Gibbous 81%

11:50

05:02

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
05 Bad
06 Bad

Sun - Rise: 07:21, Set: 16:53, Transit: 12:07. Moon - Rise: 11:50, Set: 05:02. Civil Dark: 17:26 - 06:48. Nautical Dark: 18:02 - 06:12. Astro Dark: 18:38 - 05:36

Total Clouds (% Sky Obscured)

75
70
71
63
62
68
74
93
90
89
85
57
43
42
40
76
78
88
89
89
95
91
87
86

Low Clouds (% Sky Obscured)

75
70
71
63
62
68
74
85
79
79
45
15
24
30
30
74
78
82
75
78
79
72
68
65

Medium Clouds (% Sky Obscured)

13
2
3
3
4
2
3
24
31
60
57
57
43
32
30
25
25
30
35
35
30
30
30
30

High Clouds (% Sky Obscured)

0
0
3
0
0
1
5
22
28
51
42
35
31
42
40
44
45
51
37
27
49
58
81
68

ISS Passover

Visibility (miles)

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

Fog (%)

99
99
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
14
28
38
47

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
3
0
0
1
15
1
21
6
6
4
3
0
1
0
1
1
5
5
6
7
6
4
1

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)

3
3
3
4
6
6
7
7
7
6
4
3
3
3
2
2
2
2
2
3
3
3
3
3

Chance of Frost

Temperature (°C)

-22
-22
-21
-19
-18
-17
-15
-15
-15
-16
-17
-18
-19
-20
-21
-21
-21
-21
-21
-20
-20
-21
-21
-22

Feels Like (°C)

-27
-26
-25
-23
-22
-21
-20
-20
-20
-20
-21
-22
-23
-24
-24
-25
-25
-25
-25
-24
-24
-25
-25
-27

Dew Point (°C)

-25
-25
-23
-21
-21
-21
-20
-19
-19
-19
-19
-21
-22
-22
-23
-23
-23
-24
-23
-22
-22
-23
-23
-25

Relative Humidity (%)

75
76
81
81
76
71
68
69
70
76
82
80
79
80
81
83
82
80
81
82
81
80
79
78

Pressure (mb)

1017
1018
1017
1016
1016
1016
1015
1015
1015
1015
1016
1017
1017
1017
1017
1017
1017
1017
1016
1017
1017
1017
1017
1017

Ozone (du)

452
449
446
446
445
441
427
424
420
419
414
410
409
415
420
434
444
451
453
459
462
467
475
472

Thursday 29

Waxing Gibbous 89%

12:48

06:04

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
05 Bad
06 Bad

Sun - Rise: 07:20, Set: 16:55, Transit: 12:08. Moon - Rise: 12:48, Set: 06:04. Civil Dark: 17:27 - 06:47. Nautical Dark: 18:04 - 06:11. Astro Dark: 18:39 - 05:35

Total Clouds (% Sky Obscured)

93
82
67
55
53
60
65
70
70
65
70
70
77
96
99
100
100
99
99
99
98
99
99
100

Low Clouds (% Sky Obscured)

78
66
46
7
19
20
15
15
10
9
24
25
25
54
69
85
90
90
90
90
91
93
91
92

Medium Clouds (% Sky Obscured)

30
25
25
20
18
7
3
0
1
25
30
35
40
84
94
95
98
95
94
92
91
95
97
100

High Clouds (% Sky Obscured)

47
18
4
4
2
0
0
0
0
1
2
19
44
45
45
40
45
52
52
47
47
5
3
1

ISS Passover

Visibility (miles)

7
7
9
9
9
9
9
9
5
9
9
6
0
0
0
0
0
0
1
1
1
1
0
0

Fog (%)

63
79
16
2
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
0
0
0
0
0
0
2
12
1
5
6
19
18
27
25
29
23
27
22
29
21
28
30

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)

4
4
4
5
8
10
10
11
11
11
11
11
11
12
12
12
12
12
11
11
11
10
10
10

Chance of Frost

Temperature (°C)

-23
-25
-24
-21
-19
-18
-17
-17
-17
-18
-19
-19
-20
-21
-21
-22
-22
-22
-22
-22
-22
-22
-22
-23

Feels Like (°C)

-28
-29
-28
-26
-24
-23
-23
-23
-23
-24
-25
-26
-26
-27
-28
-27
-28
-28
-28
-28
-28
-28
-28
-28

Dew Point (°C)

-26
-27
-26
-24
-23
-21
-21
-21
-20
-21
-22
-23
-23
-23
-24
-24
-24
-24
-25
-24
-25
-25
-25
-25

Relative Humidity (%)

78
78
79
74
73
73
70
71
75
74
75
76
80
79
78
79
78
78
76
77
77
77
78
78

Pressure (mb)

1017
1018
1018
1017
1017
1017
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

471
469
467
469
477
483
479
475
475
471
469
467
465
462
460
460
459
456
454
453
451
451
451
452

Friday 30

Waxing Gibbous 96%

14:00

06:50

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
05 Bad
06 Bad

Sun - Rise: 07:19, Set: 16:56, Transit: 12:08. Moon - Rise: 14:00, Set: 06:50. Civil Dark: 17:29 - 06:46. Nautical Dark: 18:05 - 06:09. Astro Dark: 18:40 - 05:34

Total Clouds (% Sky Obscured)

99
97
96
96
95
95
95
96
96
96
97
98
97
98
95
95
92
92
96
99
99
95
90
86

Low Clouds (% Sky Obscured)

91
92
95
95
95
95
95
96
96
96
96
97
96
98
92
92
87
86
96
99
99
95
90
85

Medium Clouds (% Sky Obscured)

97
94
91
91
91
91
88
72
41
38
53
54
43
25
20
15
14
12
14
20
34
28
18
3

High Clouds (% Sky Obscured)

2
9
1
2
2
3
11
22
13
3
0
0
0
1
1
1
1
1
2
1
2
1
3
2

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
2
2
2
2
2
2
2
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
26
26
21
28
28
28
28
29
19
25
25
14
22
12
12
12
11
9
8
8
9
9
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-28
-27
-26
-25
-23
-22
-21
-20
-19
-19
-19
-19
-19
-19
-20
-20
-21
-22
-23
-23
-24
-24
-25
-25

Dew Point (°C)

-25
-24
-23
-22
-20
-19
-18
-17
-16
-15
-16
-16
-16
-16
-17
-18
-19
-20
-21
-21
-22
-22
-23
-22

Relative Humidity (%)

78
78
78
80
81
81
82
82
83
88
86
86
86
88
86
87
86
84
83
81
81
81
80
81

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1020
1020
1021
1021
1022
1022
1022
1023
1023

Ozone (du)

452
452
452
453
452
449
446
445
445
444
444
443
443
443
442
441
440
440
440
441
441
440
439
439

Saturday 31

Waxing Gibbous 99%

15:21

No Set

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
05 Bad
06 Bad

Sun - Rise: 07:18, Set: 16:58, Transit: 12:08. Moon - Rise: 15:21, Set: No Set. Civil Dark: 17:30 - 06:45. Nautical Dark: 18:06 - 06:08. Astro Dark: 18:42 - 05:33

Total Clouds (% Sky Obscured)

81
79
75
80
84
88
89
91
90
91
96
96
97
100
100
100
100
98
96
95
96
89
83
77

Low Clouds (% Sky Obscured)

81
72
67
60
52
50
55
60
70
77
74
81
87
88
88
87
84
83
84
85
88
86
82
76

Medium Clouds (% Sky Obscured)

3
3
3
13
20
26
19
18
12
7
4
4
5
5
7
16
26
37
43
49
50
37
22
10

High Clouds (% Sky Obscured)

16
30
15
5
7
8
22
29
3
5
3
3
14
25
28
11
4
5
0
3
2
1
1
0

ISS Passover

Visibility (miles)

2
2
5
4
4
3
2
1
1
1
1
1
1
1
2
2
2
2
1
2
2
2
2
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
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
2
0
1
0
3
5
15
17
7
11
6
13
12
7
9
10
5
7
4
0
2
3
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
6
6
6
6
6
6
6
6
4
4
4
4
4
5
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

-21
-20
-17
-16
-14
-12
-11
-11
-11
-11
-13
-14
-15
-16
-17
-18
-18
-18
-19
-19
-20
-21
-22
-22

Feels Like (°C)

-25
-24
-21
-19
-18
-16
-15
-14
-15
-15
-16
-18
-19
-19
-19
-20
-20
-20
-21
-23
-24
-25
-24
-24

Dew Point (°C)

-23
-22
-19
-18
-16
-14
-13
-13
-13
-13
-14
-15
-16
-17
-18
-19
-20
-20
-21
-21
-22
-23
-24
-24

Relative Humidity (%)

79
81
85
84
84
85
85
85
81
86
90
90
90
90
87
87
86
86
85
85
84
81
81
79

Pressure (mb)

1023
1024
1023
1023
1022
1022
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

439
438
437
437
438
438
437
436
435
434
435
435
436
437
438
440
440
440
440
442
443
444
445
445

Sunday 1

Full Moon 100%

16:45

07:24

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

Sun - Rise: 07:17, Set: 16:59, Transit: 12:08. Moon - Rise: 16:45, Set: 07:24. Civil Dark: 17:31 - 06:43. Nautical Dark: 18:08 - 06:07. Astro Dark: 18:43 - 05:32

Total Clouds (% Sky Obscured)

73
69
64
63
61
60
51
43
34
26
15
41
57
78
94
83
68
53
38
23
8
7
5
6

Low Clouds (% Sky Obscured)

71
67
64
63
61
60
51
43
34
23
11
0
20
40
76
65
49
34
36
23
8
7
5
6

Medium Clouds (% Sky Obscured)

6
2
0
0
0
0
0
0
0
0
0
1
20
43
64
43
22
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
2
15
36
43
34
26
15
41
52
59
74
67
59
49
34
19
3
2
1
0

ISS Passover

Visibility (miles)

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

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

Chance of Frost

Temperature (°C)

-23
-21
-19
-17
-14
-13
-11
-11
-11
-11
-12
-12
-13
-14
-14
-14
-15
-15
-15
-15
-16
-16
-16
-16

Feels Like (°C)

-23
-27
-27
-27
-25
-25
-24
-15
-15
-15
-15
-14
-14
-18
-19
-19
-19
-19
-18
-20
-20
-20
-21
-20

Dew Point (°C)

-25
-23
-21
-19
-16
-15
-14
-13
-13
-13
-14
-14
-15
-15
-16
-16
-17
-18
-18
-19
-19
-19
-20
-20

Relative Humidity (%)

79
80
84
85
84
83
83
85
85
86
85
86
88
86
86
84
82
80
76
76
77
76
73
71

Pressure (mb)

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

Ozone (du)

445
442
440
437
435
433
430
430
429
428
425
423
421
419
417
415
414
412
411
412
414
415
419
424

Monday 2

Waning Gibbous 98%

18:05

07:50

07 OK
08 Good
09 Good
10 Good
11 Good
12 Good
13 OK
14 OK
15 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:15, Set: 17:01, Transit: 12:08. Moon - Rise: 18:05, Set: 07:50. Civil Dark: 17:33 - 06:42. Nautical Dark: 18:09 - 06:06. Astro Dark: 18:44 - 05:31

Total Clouds (% Sky Obscured)

7
5
3
6
9
10
15
21
26
36
48
68
78
89
98
97
96
94

Low Clouds (% Sky Obscured)

7
5
1
2
4
4
4
4
3
14
26
34
41
45
52
49
52
49

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
1
3
4
3
2
2
21
37
44
20
11
7

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
2
1
1
1
12
23
34
23
12
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
5
6
7
6
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
11
11
11
12
12
12
12
11
11
11
10
10
9
9
8
8

Chance of Frost

Temperature (°C)

-16
-15
-13
-11
-10
-8
-6
-7
-7
-7
-9
-9
-10
-11
-11
-12
-13
-14

Feels Like (°C)

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

Dew Point (°C)

-21
-19
-16
-14
-12
-11
-9
-9
-10
-9
-10
-11
-12
-12
-12
-13
-14
-16

Relative Humidity (%)

69
72
76
78
80
82
82
83
83
85
87
88
88
88
90
90
90
90

Pressure (mb)

1015
1015
1016
1016
1015
1015
1015
1015
1015
1015
1016
1017
1018
1019
1019
1020
1021
1022

Ozone (du)

429
429
428
428
425
422
419
416
412
409
411
413
416
418
421
423
425
427

Forecast for Lac-Saint-Louis, Lanaudière, Canada (46.53,-73.70)

Generated: 27/01/26 07:39:13. Forecast: 27/01/26 to 02/02/26. Timezone: UTC-5.00