Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 24

Waxing Crescent 36%

09:52

23:44

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

Sun - Rise: 07:26, Set: 16:47, Transit: 12:07. Moon - Rise: 09:52, Set: 23:44. Civil Dark: 17:20 - 06:52. Nautical Dark: 17:57 - 06:15. Astro Dark: 18:33 - 05:40

Total Clouds (% Sky Obscured)

2
2
2
20
26
38
66
66
16
61
32
20
22
4
5
3
2
4
3
3
8
21
75
71

Low Clouds (% Sky Obscured)

2
2
2
17
26
38
66
66
16
61
32
20
22
4
5
3
2
4
3
3
8
5
11
6

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
47
33

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
7
39
44

ISS Passover

Visibility (miles)

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

Fog (%)

1
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
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)

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

Chance of Frost

Temperature (°C)

-30
-30
-29
-28
-27
-26
-25
-24
-24
-24
-25
-26
-27
-27
-27
-28
-28
-29
-29
-29
-30
-30
-30
-30

Feels Like (°C)

-34
-34
-34
-33
-32
-31
-31
-30
-30
-30
-31
-31
-31
-32
-32
-32
-32
-32
-32
-33
-33
-33
-32
-32

Dew Point (°C)

-34
-34
-33
-32
-31
-30
-29
-29
-28
-28
-29
-29
-30
-30
-30
-31
-31
-32
-32
-33
-33
-33
-33
-33

Relative Humidity (%)

65
65
65
65
63
63
63
62
64
68
69
70
71
71
71
73
72
71
71
71
71
70
70
71

Pressure (mb)

1035
1036
1037
1037
1038
1037
1036
1036
1037
1037
1037
1038
1038
1039
1039
1039
1040
1040
1040
1041
1041
1040
1040
1040

Ozone (du)

383
373
378
376
349
331
327
325
327
327
321
319
312
311
310
308
309
311
318
319
313
316
315
324

Sunday 25

First Quarter 47%

10:11

01:04

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: 07:25, Set: 16:49, Transit: 12:07. Moon - Rise: 10:11, Set: 01:04. Civil Dark: 17:22 - 06:51. Nautical Dark: 17:58 - 06:14. Astro Dark: 18:34 - 05:39

Total Clouds (% Sky Obscured)

90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

7
2
1
1
1
1
1
1
1
2
2
52
64
68
91
95
93
96
95
94
91
91
92
92

Medium Clouds (% Sky Obscured)

54
33
80
80
36
52
44
58
81
100
100
100
100
100
100
100
100
100
100
100
95
93
100
95

High Clouds (% Sky Obscured)

73
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
100
100
100

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
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
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
14
37
50
64
75
79
75
72
64
58
54
54

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
1
1
2
4
3
4
4
4
2
3
3
3
2
2
3
3
3
3
4
4
4
3

Chance of Frost

Temperature (°C)

-29
-28
-27
-26
-24
-22
-21
-20
-20
-20
-21
-21
-21
-21
-21
-20
-20
-20
-20
-20
-20
-20
-20
-19

Feels Like (°C)

-31
-31
-30
-30
-28
-27
-25
-25
-24
-24
-24
-25
-25
-25
-25
-24
-24
-25
-24
-24
-24
-24
-24
-23

Dew Point (°C)

-32
-31
-30
-30
-29
-27
-26
-25
-23
-23
-23
-24
-24
-24
-24
-24
-23
-23
-23
-22
-22
-22
-22
-22

Relative Humidity (%)

71
72
69
66
64
63
63
65
71
76
78
78
78
77
73
71
78
80
79
82
81
82
82
82

Pressure (mb)

1040
1040
1038
1038
1037
1035
1034
1033
1032
1031
1031
1030
1029
1028
1027
1025
1025
1023
1022
1021
1019
1018
1017
1016

Ozone (du)

324
320
315
319
319
313
307
304
307
305
302
301
302
302
303
304
300
304
306
302
303
305
303
301

Monday 26

Waxing Gibbous 59%

10:36

02:26

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: 07:24, Set: 16:50, Transit: 12:07. Moon - Rise: 10:36, Set: 02:26. Civil Dark: 17:23 - 06:50. Nautical Dark: 18:00 - 06:14. Astro Dark: 18:35 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
95
91
89
84
76
53
31
15

Low Clouds (% Sky Obscured)

91
91
90
88
90
90
86
86
86
86
88
92
90
92
93
87
79
79
77
83
76
53
31
15

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
85
25
20
15
10
10
1
1
2

High Clouds (% Sky Obscured)

100
100
100
100
100
79
100
60
7
0
0
0
0
0
0
0
0
0
0
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
1
1
2
3
3
3
2

Fog (%)

0
0
0
26
48
35
29
23
34
44
46
41
32
32
32
32
32
32
32
32
32
32
32
32

Precipitation Type

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

Precipitation Probability (%)

48
53
56
59
58
61
57
55
51
49
47
44
38
33
29
25
12
4
1
2
2
5
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
4
4
5
5
4
5
4
4
4
4
4
4
4
4
5
5
6
7
7
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-21
-21
-21
-20
-19
-18
-18
-17
-18
-17
-17
-18
-18
-19
-19
-19
-20
-20
-21
-22
-22
-24
-24
-26

Relative Humidity (%)

82
82
82
81
82
83
82
82
82
86
86
86
86
86
85
85
84
83
82
80
80
77
77
75

Pressure (mb)

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

Ozone (du)

302
303
307
308
308
311
313
316
326
342
358
374
379
387
394
396
386
394
397
404
413
409
414
419

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)

43
72
93
83
80
100
100
100
100
100
100
100
83
44
53
81
96
98
95
93
88
87
86
85

Low Clouds (% Sky Obscured)

43
60
52
13
22
96
96
97
98
97
97
97
76
33
46
77
95
98
95
93
88
87
86
85

Medium Clouds (% Sky Obscured)

27
50
75
71
64
57
57
56
55
55
54
59
53
39
27
27
23
23
17
11
6
5
3
0

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)

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

Fog (%)

32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32

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
3
23
16
20
15
15
15
13
11
9
8
6
5
4
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)

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

Chance of Frost

Temperature (°C)

-24
-23
-22
-21
-19
-18
-17
-16
-17
-17
-19
-20
-21
-22
-23
-24
-25
-25
-25
-26
-26
-26
-26
-26

Feels Like (°C)

-29
-27
-26
-25
-23
-22
-22
-21
-21
-21
-23
-24
-25
-26
-26
-27
-28
-29
-30
-30
-30
-30
-30
-31

Dew Point (°C)

-27
-26
-24
-24
-23
-22
-21
-21
-21
-19
-21
-22
-24
-25
-26
-27
-27
-28
-28
-29
-29
-29
-29
-29

Relative Humidity (%)

74
75
78
73
71
68
65
66
70
78
82
82
78
77
75
75
74
74
74
73
73
73
73
73

Pressure (mb)

1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1015
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019

Ozone (du)

423
429
422
411
403
408
411
410
410
414
418
417
414
410
406
406
412
418
432
441
453
465
469
470

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)

70
54
31
55
68
80
86
92
92
93
97
97
98
100
100
100
100
100
100
100
100
99
99
98

Low Clouds (% Sky Obscured)

70
45
13
4
3
2
6
26
69
78
75
80
86
86
84
82
76
73
71
68
72
73
76
81

Medium Clouds (% Sky Obscured)

0
1
10
33
42
45
50
50
45
50
51
53
58
69
83
90
95
100
95
90
85
78
73
70

High Clouds (% Sky Obscured)

0
0
0
5
34
45
46
65
65
65
65
65
65
65
50
15
5
5
0
5
5
3
2
0

ISS Passover

Visibility (miles)

3
3
8
9
9
9
9
9
9
9
9
9
1
1
0
0
0
0
0
1
1
1
1
1

Fog (%)

32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32

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
0
0
0
0
2
10
14
17
19
20
20
20
18
16
18
21
24

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

Chance of Frost

Temperature (°C)

-26
-25
-22
-20
-18
-17
-16
-16
-16
-16
-17
-17
-18
-18
-18
-18
-19
-19
-19
-19
-20
-20
-20
-21

Feels Like (°C)

-31
-30
-26
-24
-23
-23
-22
-22
-21
-22
-23
-23
-24
-24
-24
-24
-24
-24
-24
-24
-24
-24
-25
-25

Dew Point (°C)

-29
-28
-25
-23
-22
-21
-20
-20
-19
-19
-20
-20
-21
-21
-21
-21
-21
-21
-21
-22
-22
-23
-23
-23

Relative Humidity (%)

73
75
75
73
73
71
72
72
76
76
77
79
78
79
81
82
81
81
81
82
82
80
79
79

Pressure (mb)

1019
1019
1019
1019
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016

Ozone (du)

469
465
462
461
464
469
471
471
466
464
462
460
455
449
443
437
434
430
427
427
427
427
425
423

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)

98
98
98
95
92
89
88
88
87
89
91
96
97
98
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
85
88
85
82
80
79
79
79
80
80
81
84
88
92
91
89
88
89
89
88
85
84
83

Medium Clouds (% Sky Obscured)

80
89
91
71
51
31
26
21
20
37
52
77
90
96
99
100
100
100
100
100
100
98
95
84

High Clouds (% Sky Obscured)

0
0
0
0
0
1
8
19
34
50
65
81
82
79
85
84
81
79
60
42
24
32
42
49

ISS Passover

Visibility (miles)

1
0
0
0
0
0
0
0
1
1
1
1
1
1
1
2
2
1
1
1
1
0
2
3

Fog (%)

32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32

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 (%)

26
27
29
29
29
29
29
28
26
26
25
22
23
22
21
23
25
27
26
27
27
25
24
26

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)

7
7
7
7
7
8
8
7
7
7
7
8
8
8
8
8
8
8
8
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-25
-25
-25
-25
-24
-24
-24
-19
-19
-19
-19
-19
-19
-20
-20
-20
-19
-19
-19
-19
-18
-19
-18
-18

Dew Point (°C)

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

Relative Humidity (%)

79
82
82
82
80
81
81
82
84
86
86
88
88
88
88
90
88
88
88
88
88
86
88
86

Pressure (mb)

1016
1016
1015
1015
1015
1015
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

421
422
424
425
425
425
425
430
435
440
442
444
447
447
448
449
448
447
446
447
447
448
448
448

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

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)

96
93
90
92
95
96
97
99
100
94
89
91
91
96
96
97
97
98

Low Clouds (% Sky Obscured)

77
71
68
73
80
86
82
78
70
65
63
57
57
52
52
62
73
82

Medium Clouds (% Sky Obscured)

63
41
20
25
32
42
57
68
81
54
27
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

37
26
15
10
6
1
1
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
4
4
4
3
2
2
1
1
1
1
1
1
1
2
2
2
2

Fog (%)

32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
17
6
7
8
8
10
11
13
12
10
8
8
8
6
6
5
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)

8
9
9
10
10
10
11
11
11
11
12
12
13
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-18
-18
-19
-18
-18
-18
-18
-14
-13
-14
-14
-14
-14
-18
-18
-19
-19
-18

Dew Point (°C)

-16
-15
-15
-14
-12
-11
-10
-10
-11
-11
-12
-13
-13
-14
-15
-16
-17
-17

Relative Humidity (%)

86
86
84
85
85
87
87
87
87
87
86
86
86
86
86
84
84
84

Pressure (mb)

1017
1017
1017
1017
1017
1017
1016
1017
1017
1017
1018
1018
1019
1019
1019
1020
1020
1020

Ozone (du)

448
447
447
446
444
442
440
438
435
432
430
428
426
426
426
427
428
429

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

Generated: 24/01/26 07:37:07. Forecast: 24/01/26 to 30/01/26. Timezone: UTC-5.00