Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

Waning Crescent 35%

03:34

11:17

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
02 Bad
03 Bad

Sun - Rise: 07:27, Set: 16:47, Transit: 12:07. Moon - Rise: 03:34, Set: 11:17. Civil Dark: 17:20 - 06:54. Nautical Dark: 17:56 - 06:17. Astro Dark: 18:32 - 05:42

Total Clouds (% Sky Obscured)

96
93
91
98
100
100
100
100
100
100
100
100
100
99
95
95
88
87
97
92
64
66
72
79

Low Clouds (% Sky Obscured)

89
91
88
89
90
91
93
90
89
86
87
86
87
89
89
92
86
65
89
89
64
66
72
79

Medium Clouds (% Sky Obscured)

85
87
91
98
100
100
100
100
100
100
100
100
99
96
91
85
84
44
45
0
0
0
0
0

High Clouds (% Sky Obscured)

65
10
80
70
48
54
55
60
60
60
60
5
3
1
0
0
0
0
0
0
0
0
4
2

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
2
1

Fog (%)

0
0
0
0
0
2
6
1
0
2
1
4
6
10
9
8
6
3
0
1
2
6
9
11

Precipitation Type

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

Precipitation Probability (%)

1
1
0
36
37
44
49
51
52
56
55
47
48
52
50
42
32
27
16
11
5
3
6
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-21
-21
-21
-21
-21
-21
-20
-20
-18
-18
-18
-17
-17
-17
-16
-16
-16
-16
-17
-18
-19
-20
-21
-20

Dew Point (°C)

-18
-18
-17
-18
-18
-18
-17
-17
-15
-15
-14
-13
-14
-14
-14
-14
-14
-14
-15
-16
-17
-18
-18
-18

Relative Humidity (%)

83
83
84
84
84
83
84
82
84
84
86
88
88
90
90
90
90
92
90
88
86
86
86
84

Pressure (mb)

1024
1023
1023
1022
1022
1022
1021
1020
1019
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

418
423
425
426
430
427
426
426
426
426
423
421
420
418
417
416
414
414
414
416
414
417
418
413

Friday 24

Waning Crescent 26%

No Rise

11:47

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

Sun - Rise: 07:26, Set: 16:48, Transit: 12:07. Moon - Rise: No Rise, Set: 11:47. Civil Dark: 17:21 - 06:53. Nautical Dark: 17:58 - 06:16. Astro Dark: 18:33 - 05:41

Total Clouds (% Sky Obscured)

77
77
76
74
67
57
14
19
15
20
25
37
35
24
2
2
14
14
14
11
28
33
33
43

Low Clouds (% Sky Obscured)

77
77
76
74
67
57
14
19
15
20
25
33
30
24
1
2
10
10
12
11
20
18
21
20

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
2
2
2

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)

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

Fog (%)

10
9
7
6
6
4
6
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 (%)

8
12
0
2
1
1
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
83
81
81
82
79
77
72
69
67
67
74
80
81
81
80
78
78
77
77
78
77
77

Pressure (mb)

1017
1017
1018
1019
1020
1020
1021
1021
1020
1020
1020
1020
1021
1022
1023
1024
1024
1024
1024
1025
1025
1025
1025
1025

Ozone (du)

417
422
425
423
419
412
401
386
370
368
360
354
354
352
354
354
355
355
354
352
350
350
366
368

Saturday 25

Waning Crescent 17%

04:42

12:27

04 Bad
05 Bad
06 Bad
07 OK
08 OK
09 Bad
10 Bad
11 Good
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

Sun - Rise: 07:25, Set: 16:50, Transit: 12:07. Moon - Rise: 04:42, Set: 12:27. Civil Dark: 17:22 - 06:52. Nautical Dark: 17:59 - 06:16. Astro Dark: 18:35 - 05:40

Total Clouds (% Sky Obscured)

36
31
28
11
10
31
30
14
66
100
100
100
100
100
99
98
95
99
98
99
99
98
96
92

Low Clouds (% Sky Obscured)

22
20
18
5
4
31
30
14
33
68
71
76
85
89
89
90
89
93
94
93
92
90
90
89

Medium Clouds (% Sky Obscured)

2
2
2
2
1
0
0
0
0
75
75
100
100
100
81
65
0
6
53
57
88
74
58
43

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
20
44
94
40
40
35
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
3
5
6
8
9
9
9
9
9
9
9
7
2
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
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
5
13
29
38
37
37
36
40
40
40
37
46
54

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-23
-22
-22
-22
-21
-19
-17
-14
-12
-11
-11
-11
-12
-13
-13
-13
-12
-12
-12
-12
-12
-12
-11
-11

Feels Like (°C)

-26
-26
-25
-25
-22
-21
-19
-17
-15
-16
-17
-16
-17
-18
-18
-18
-18
-18
-17
-17
-17
-16
-16
-16

Dew Point (°C)

-25
-25
-25
-25
-23
-22
-20
-18
-16
-15
-15
-14
-14
-15
-15
-14
-14
-14
-14
-13
-13
-13
-13
-13

Relative Humidity (%)

77
77
77
78
78
77
74
73
73
73
72
78
81
84
86
88
86
88
88
88
88
90
90
90

Pressure (mb)

1025
1025
1025
1025
1025
1024
1024
1024
1022
1021
1020
1019
1019
1019
1018
1018
1017
1016
1015
1014
1013
1012
1012
1011

Ozone (du)

367
367
380
386
384
385
390
403
398
386
385
389
399
411
397
393
379
381
386
392
397
405
416
415

Sunday 26

Waning Crescent 10%

05:45

13:20

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
02 Bad
03 Bad

Sun - Rise: 07:24, Set: 16:51, Transit: 12:07. Moon - Rise: 05:45, Set: 13:20. Civil Dark: 17:24 - 06:51. Nautical Dark: 18:00 - 06:15. Astro Dark: 18:36 - 05:39

Total Clouds (% Sky Obscured)

92
93
95
96
97
99
94
90
87
83
88
87
62
87
85
58
51
86
85
93
95
96
98
100

Low Clouds (% Sky Obscured)

92
93
92
96
97
99
94
90
87
83
88
87
56
87
85
55
37
86
55
79
95
96
98
100

Medium Clouds (% Sky Obscured)

57
67
79
64
66
81
70
58
16
9
4
0
0
0
0
2
2
27
48
66
66
76
85
84

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
15
28
42
51
34
38
43

ISS Passover

Visibility (miles)

0
0
0
0
1
0
1
2
2
8
9
8
9
6
6
9
9
6
8
8
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

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

Precipitation Probability (%)

62
52
31
34
31
41
36
34
31
29
28
7
5
3
0
2
2
2
2
8
21
22
19
37

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-11
-11
-11
-11
-10
-9
-8
-7
-7
-7
-8
-9
-11
-13
-13
-14
-15
-15
-15
-14
-14
-14
-13
-13

Feels Like (°C)

-16
-16
-17
-16
-16
-14
-13
-13
-13
-13
-14
-15
-18
-18
-20
-20
-20
-19
-20
-19
-19
-19
-19
-19

Dew Point (°C)

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

Relative Humidity (%)

90
92
90
88
86
90
85
82
82
80
77
78
75
78
79
79
79
81
82
81
86
86
86
84

Pressure (mb)

1010
1009
1009
1008
1008
1008
1007
1007
1007
1007
1008
1009
1011
1012
1012
1013
1013
1013
1013
1012
1011
1009
1008
1007

Ozone (du)

417
419
424
430
433
440
446
445
445
438
429
420
408
396
384
376
374
377
377
377
375
370
368
366

Monday 27

Waning Crescent 4%

06:38

14:26

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
02 Bad
03 Bad

Sun - Rise: 07:23, Set: 16:53, Transit: 12:08. Moon - Rise: 06:38, Set: 14:26. Civil Dark: 17:25 - 06:50. Nautical Dark: 18:02 - 06:14. Astro Dark: 18:37 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
98
98
99
100
100
100
100
100
83
65
47
62
77
91
92
94
98

Low Clouds (% Sky Obscured)

100
100
100
99
97
96
95
95
95
95
96
97
97
96
96
82
65
47
62
70
74
81
87
95

Medium Clouds (% Sky Obscured)

68
78
70
74
78
83
84
86
86
91
96
100
86
70
51
38
33
30
26
29
36
44
53
56

High Clouds (% Sky Obscured)

42
36
27
44
85
92
85
72
62
69
64
19
13
6
0
0
0
0
0
0
0
0
2
3

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
9
9
9
8
7
5
5
4

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
Snow
Snow
None
None
None
None
None
Snow
None

Precipitation Probability (%)

44
50
46
47
53
60
71
84
94
95
95
82
64
61
56
65
50
30
32
33
37
42
42
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
13
13
14
14
14
14
14
14
15
14
14
14
14
15
14
13
12
11
9
7
6
5
4

Chance of Frost

Temperature (°C)

-13
-12
-12
-11
-10
-9
-9
-8
-8
-8
-8
-8
-8
-8
-8
-7
-8
-8
-9
-10
-11
-11
-12
-13

Feels Like (°C)

-19
-18
-18
-17
-17
-15
-15
-14
-14
-14
-14
-14
-14
-14
-15
-13
-14
-14
-14
-14
-14
-14
-18
-17

Dew Point (°C)

-14
-13
-13
-13
-12
-11
-10
-9
-9
-9
-9
-9
-9
-9
-9
-10
-11
-12
-12
-12
-13
-13
-14
-14

Relative Humidity (%)

88
88
88
86
88
90
90
90
90
90
92
92
90
88
88
76
77
77
78
81
83
86
88
90

Pressure (mb)

1005
1004
1002
1001
1000
998
997
996
994
993
992
991
991
991
991
992
993
993
994
995
995
996
996
996

Ozone (du)

367
372
377
373
368
367
367
370
366
364
364
373
374
372
375
374
367
361
354
352
351
350
349
348

Tuesday 28

Waning Crescent 1%

07:19

15:42

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
02 Bad
03 Bad

Sun - Rise: 07:22, Set: 16:54, Transit: 12:08. Moon - Rise: 07:19, Set: 15:42. Civil Dark: 17:26 - 06:49. Nautical Dark: 18:03 - 06:13. Astro Dark: 18:38 - 05:37

Total Clouds (% Sky Obscured)

97
98
99
99
99
100
100
100
100
99
99
98
73
48
59
69
82
90
92
94
94
88
83
77

Low Clouds (% Sky Obscured)

89
81
69
44
22
0
0
0
0
4
8
12
14
16
18
34
50
78
74
61
52
46
31
19

Medium Clouds (% Sky Obscured)

70
82
96
97
98
100
100
100
100
99
98
97
69
43
48
48
27
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

3
2
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)

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

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

Precipitation Probability (%)

29
28
24
39
47
50
59
69
79
77
77
81
67
49
35
23
13
0
0
1
0
0
2
0

Precipitation Amount (mm)

0
0
0
0
0.1
0.2
0.2
0.3
0.5
0.4
0.4
0.6
0.4
0.2
0.1
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
5
6
7
8
9
9
11
14
14
14
14
14
14
14
13
13
12
11
11

Chance of Frost

Temperature (°C)

-14
-15
-15
-15
-15
-15
-14
-13
-12
-12
-13
-15
-17
-18
-20
-21
-22
-24
-25
-26
-26
-27
-28
-28

Feels Like (°C)

-17
-19
-20
-20
-19
-19
-19
-18
-17
-17
-15
-15
-15
-16
-17
-17
-28
-29
-29
-29
-30
-30
-35
-35

Dew Point (°C)

-15
-16
-16
-16
-16
-16
-15
-14
-14
-13
-15
-17
-19
-21
-23
-24
-26
-28
-29
-30
-30
-31
-32
-32

Relative Humidity (%)

90
90
92
92
92
90
92
90
90
92
90
86
84
79
76
70
69
68
68
67
67
66
66
65

Pressure (mb)

997
997
997
997
997
997
996
996
996
995
996
998
999
1001
1003
1005
1006
1007
1009
1009
1010
1011
1011
1012

Ozone (du)

347
351
354
358
361
365
368
374
380
386
394
402
409
418
426
434
442
449
457
459
462
464
463
462

Wednesday 29

New Moon 0%

07:52

17:04

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

Sun - Rise: 07:20, Set: 16:56, Transit: 12:08. Moon - Rise: 07:52, Set: 17:04. Civil Dark: 17:28 - 06:48. Nautical Dark: 18:04 - 06:12. Astro Dark: 18:40 - 05:36

Total Clouds (% Sky Obscured)

77
77
75
64
55
46
59
73
77
82
90
95
93
94
94
92
92
91
94
97
100

Low Clouds (% Sky Obscured)

19
24
30
20
10
15
29
48
62
71
79
85
72
61
46
45
41
40
56
74
88

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
1
2
28
54
80
70
61
50
43
42
41

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
4
6
9
6
3
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

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
9
9
8
8
9
9
9
9
10
9
9
8
6
4
2
2
2
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-35
-35
-35
-35
-36
-35
-34
-34
-34
-33
-28
-28
-28
-27
-25
-25
-30
-29
-29
-30
-30

Dew Point (°C)

-33
-33
-33
-34
-33
-32
-31
-29
-28
-27
-26
-26
-25
-26
-26
-27
-28
-28
-29
-29
-29

Relative Humidity (%)

65
65
66
66
65
66
64
64
65
64
66
68
70
70
72
73
73
73
73
73
74

Pressure (mb)

1013
1013
1014
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1014
1014
1015
1015
1015
1016
1016
1016

Ozone (du)

461
454
447
440
434
427
421
419
416
414
414
414
414
417
420
423
434
446
457
460
464

Forecast for Lac-Saint-Louis, Lanaudière, Canada (46.57,-73.80)

Generated: 23/01/25 04:33:30. Forecast: 23/01/25 to 29/01/25. Timezone: UTC-5.00