Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 4

Waning Gibbous 93%

20:35

08:28

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 OK
14 OK
15 OK
16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:13, Set: 17:04, Transit: 12:09. Moon - Rise: 20:35, Set: 08:28. Civil Dark: 17:36 - 06:41. Nautical Dark: 18:12 - 06:05. Astro Dark: 18:47 - 05:30

Total Clouds (% Sky Obscured)

99
99
100
99
90
91
91
87
87
78
30
42
25
10
5
5
5
67
92
100
99
100
100
100

Low Clouds (% Sky Obscured)

93
90
89
86
75
73
84
69
69
74
30
42
25
10
5
5
5
31
53
76
77
76
79
82

Medium Clouds (% Sky Obscured)

94
95
73
57
44
51
64
45
61
6
3
3
0
0
0
0
2
51
92
100
97
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
4
65
70
14
42
60
50

ISS Passover

Visibility (miles)

0
1
2
2
3
2
2
2
3
3
2
2
6
6
1
2
1
3
3
2
1
1
1
1

Fog (%)

0
58
61
66
71
77
75
66
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
23
19
14
7
5
0
12
6
17
2
24
16
4
2
1
0
1
13
5
2
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
90
88
88
86
88
90
90
88
88
83
79
79
83
89
88
90
88
90
90
90
90
88

Pressure (mb)

1018
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1020
1020

Ozone (du)

408
409
404
399
396
396
397
395
394
390
395
399
399
403
398
387
383
388
386
394
409
438
418
403

Thursday 5

Waning Gibbous 87%

21:45

08:44

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

Sun - Rise: 07:12, Set: 17:06, Transit: 12:09. Moon - Rise: 21:45, Set: 08:44. Civil Dark: 17:37 - 06:40. Nautical Dark: 18:13 - 06:04. Astro Dark: 18:48 - 05:29

Total Clouds (% Sky Obscured)

100
100
94
95
77
69
71
73
67
58
70
41
37
43
36
21
6
11
17
14
41
55
70
85

Low Clouds (% Sky Obscured)

82
80
90
85
77
69
71
73
66
57
70
41
36
33
27
17
3
4
2
2
5
7
24
63

Medium Clouds (% Sky Obscured)

100
99
87
67
2
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
41
49
48
46

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
5
3
3
4
4
4
4
6
8
14
9
9
23
40
37

ISS Passover

Visibility (miles)

2
0
0
1
2
2
2
2
5
9
9
9
9
9
9
9
9
9
9
8
7
7
7
4

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

7
31
22
9
3
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.1
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
6
6
6
5
5
5
6
7
7
7
6
6
5
4
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

-13
-13
-13
-14
-15
-16
-17
-17
-16
-15
-14
-13
-13
-12
-12
-11
-12
-14
-15
-15
-16
-17
-17
-18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
86
84
84
82
81
83
84
80
77
74
71
70
70
76
83
81
80
81
80
80
81
80

Pressure (mb)

1020
1020
1019
1019
1019
1020
1021
1021
1021
1020
1020
1019
1018
1018
1017
1017
1018
1018
1018
1018
1018
1017
1017
1016

Ozone (du)

397
410
412
423
425
424
423
416
399
392
395
397
399
395
396
397
397
399
399
396
397
393
394
395

Friday 6

Waning Gibbous 79%

22:55

09:00

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
23 Bad
00 Bad

Sun - Rise: 07:10, Set: 17:07, Transit: 12:09. Moon - Rise: 22:55, Set: 09:00. Civil Dark: 17:39 - 06:39. Nautical Dark: 18:15 - 06:03. Astro Dark: 18:50 - 05:28

Total Clouds (% Sky Obscured)

91
98
96
96
96
97
100
100
98
100
98
98
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

67
73
76
72
73
72
100
100
84
100
88
87
85
86
77
93
94
86
88
93
94
94
93
94

Medium Clouds (% Sky Obscured)

59
63
55
58
55
56
57
56
57
75
82
89
90
99
96
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

37
81
92
85
12
6
14
30
35
39
32
45
50
45
45
40
57
72
70
65
63
65
56
34

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
1
9
18
33
56
73
3
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
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
2
4
13
5
15
7
6
19
22
24
22
26
19
45
57
60
60
62
67
69
73

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-18
-17
-19
-19
-19
-18
-19
-18
-17
-15
-14
-12
-11
-11
-11
-11
-12
-12
-13
-13
-13
-14
-14
-14

Feels Like (°C)

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

Dew Point (°C)

-20
-19
-22
-21
-21
-21
-21
-20
-19
-17
-15
-14
-13
-13
-12
-13
-13
-14
-14
-15
-15
-15
-15
-15

Relative Humidity (%)

80
80
79
80
81
81
81
83
88
88
86
86
86
85
86
88
88
90
90
88
90
90
90
90

Pressure (mb)

1016
1015
1014
1014
1013
1012
1012
1012
1010
1009
1008
1007
1006
1005
1004
1004
1004
1004
1004
1003
1003
1003
1002
1002

Ozone (du)

392
392
395
401
396
399
405
402
400
401
402
401
402
403
405
405
411
421
423
427
429
430
432
432

Saturday 7

Waning Gibbous 70%

00:03

09:17

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
23 Bad
00 Bad

Sun - Rise: 07:09, Set: 17:09, Transit: 12:09. Moon - Rise: 00:03, Set: 09:17. Civil Dark: 17:40 - 06:37. Nautical Dark: 18:16 - 06:02. Astro Dark: 18:51 - 05:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
89
88
90
91
88
86
84

Low Clouds (% Sky Obscured)

93
94
96
97
98
99
98
96
97
96
96
97
96
96
97
97
94
89
88
90
91
88
86
84

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
97
81
58
58
48
38
26
11
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

44
39
33
18
9
0
0
0
0
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
1
4
5
4
3
2
2
2
3
3
3
3
4
4
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

61
52
51
46
43
40
32
27
15
13
11
11
6
7
6
17
2
1
1
1
1
1
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
9
9
10
12
14
15
15
15
16
15
15
15
14
14
14
14
14
13
13
13
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-20
-22
-23
-24
-25
-26
-27
-29
-29
-29
-28
-27
-26
-26
-27
-27
-28
-29
-30
-30
-30
-31
-31
-32

Dew Point (°C)

-17
-18
-19
-19
-21
-22
-23
-24
-24
-24
-23
-23
-22
-23
-23
-24
-25
-26
-26
-27
-27
-28
-28
-29

Relative Humidity (%)

90
82
79
79
78
77
75
72
71
71
74
73
73
72
72
72
68
67
68
67
67
67
68
67

Pressure (mb)

1002
1004
1005
1005
1007
1008
1009
1010
1011
1012
1013
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1022
1023
1023

Ozone (du)

428
434
435
438
444
449
448
454
460
465
471
480
488
497
494
488
482
486
484
484
486
482
485
484

Sunday 8

Waning Gibbous 61%

No Rise

09:37

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

Sun - Rise: 07:07, Set: 17:10, Transit: 12:09. Moon - Rise: No Rise, Set: 09:37. Civil Dark: 17:42 - 06:36. Nautical Dark: 18:17 - 06:00. Astro Dark: 18:53 - 05:25

Total Clouds (% Sky Obscured)

72
46
39
32
22
6
5
5
25
39
48
55
60
63
65
60
55
39
28
29
28
17
25
33

Low Clouds (% Sky Obscured)

71
44
35
27
16
2
3
3
19
32
34
43
14
12
14
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
4
7
9
12
10
18
10
5
12
19
26

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

5
6
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
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
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
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)

11
10
10
9
9
9
8
8
9
9
9
9
9
8
8
7
7
6
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

-26
-26
-27
-27
-28
-29
-30
-29
-27
-25
-23
-21
-20
-19
-18
-18
-19
-21
-23
-23
-22
-22
-22
-22

Feels Like (°C)

-32
-32
-32
-33
-33
-33
-33
-32
-31
-29
-27
-26
-25
-24
-23
-23
-23
-22
-22
-28
-28
-27
-27
-26

Dew Point (°C)

-29
-30
-31
-31
-32
-33
-33
-32
-31
-29
-27
-26
-25
-23
-22
-22
-23
-24
-26
-26
-25
-25
-25
-25

Relative Humidity (%)

67
67
67
66
66
66
67
68
67
66
67
64
66
67
69
70
72
71
74
75
75
74
75
77

Pressure (mb)

1024
1024
1025
1025
1026
1026
1026
1027
1026
1026
1026
1025
1024
1024
1024
1023
1024
1024
1024
1024
1023
1023
1023
1022

Ozone (du)

482
473
468
465
466
464
463
463
462
461
461
460
459
456
454
451
453
454
455
455
454
454
455
455

Monday 9

Third Quarter 51%

01:12

10:00

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
23 Bad
00 Bad

Sun - Rise: 07:06, Set: 17:12, Transit: 12:09. Moon - Rise: 01:12, Set: 10:00. Civil Dark: 17:43 - 06:35. Nautical Dark: 18:19 - 05:59. Astro Dark: 18:54 - 05:24

Total Clouds (% Sky Obscured)

30
31
33
49
76
86
89
91
93
97
100
100
100
100
100
98
96
94
78
62
46
59
73
86

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
29
78
85
91
85
77
68
47
24
18
4
14
9
13
12
12

Medium Clouds (% Sky Obscured)

27
27
26
37
41
45
55
74
93
76
53
30
23
16
10
11
15
32
43
52
46
35
15
0

High Clouds (% Sky Obscured)

1
2
2
5
7
9
25
40
52
36
20
2
1
0
0
0
0
0
0
0
7
23
47
74

ISS Passover

Visibility (miles)

1
1
0
0
1
1
1
1
1
0
0
0
0
1
2
3
5
7
9
9
8
7
7
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
11
11
11
10
9
10
11
12
17
18
19
21
21
20
18
15
11
9
6
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
4
4
3
3
3
3
4
5
6
6
6
7
7
7
7
6
5
5
5
5
6
6
6

Chance of Frost

Temperature (°C)

-22
-22
-22
-22
-22
-22
-23
-21
-19
-17
-17
-15
-14
-14
-14
-13
-15
-17
-19
-21
-22
-24
-25
-25

Feels Like (°C)

-26
-27
-27
-26
-26
-26
-26
-26
-26
-26
-26
-25
-24
-18
-18
-18
-17
-16
-15
-24
-24
-25
-26
-26

Dew Point (°C)

-25
-25
-25
-25
-25
-25
-25
-23
-22
-20
-19
-18
-17
-16
-16
-16
-18
-19
-21
-23
-25
-27
-28
-28

Relative Humidity (%)

78
78
77
78
78
78
78
78
80
80
79
79
78
79
79
79
81
81
82
79
78
76
76
75

Pressure (mb)

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

Ozone (du)

456
456
457
457
456
454
453
453
454
454
451
447
444
439
435
430
428
425
423
417
410
404
398
393

Tuesday 10

Waning Crescent 41%

02:19

10:30

Sun - Rise: 07:04, Set: 17:13, Transit: 12:09. Moon - Rise: 02:19, Set: 10:30. Civil Dark: 17:45 - 06:33. Nautical Dark: 18:20 - 05:58. Astro Dark: 18:55 - 05:23

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

Generated: 04/02/26 01:27:36. Forecast: 04/02/26 to 10/02/26. Timezone: UTC-5.00