Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 3

Waning Gibbous 93%

19:22

08:10

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: 07:14, Set: 17:02, Transit: 12:08. Moon - Rise: 19:22, Set: 08:10. Civil Dark: 17:34 - 06:41. Nautical Dark: 18:10 - 06:05. Astro Dark: 18:45 - 05:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
96
89
93
98
100
100
100
100
100
99
98
98
98
99
97
95
89

Low Clouds (% Sky Obscured)

50
57
50
9
24
30
41
52
57
76
80
82
90
90
91
91
94
96
95
95
96
92
86
82

Medium Clouds (% Sky Obscured)

100
99
100
100
100
100
98
94
88
87
93
100
100
100
100
99
95
93
93
93
92
90
81
64

High Clouds (% Sky Obscured)

95
65
60
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
6
9
9
8
8
7
6
2
2
3
1
1
0
0
0
0
0
0
1
1
2
2
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
0
12
33
75
99
96
49

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
4
2
18
20
12
13
13
27
37
40
46
43
39
36
29
27
25
22
25

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
1
1
2
3
4
5
6
6
4
4
3
2
2
2
2
2
1
1
1
2
2
3

Chance of Frost

Temperature (°C)

-18
-17
-16
-14
-10
-7
-6
-6
-6
-6
-8
-9
-10
-10
-10
-11
-11
-11
-11
-11
-11
-12
-12
-12

Feels Like (°C)

-21
-21
-19
-17
-13
-11
-10
-10
-10
-10
-12
-12
-13
-14
-14
-14
-14
-14
-14
-14
-14
-16
-16
-16

Dew Point (°C)

-19
-19
-18
-16
-12
-9
-9
-9
-8
-7
-9
-9
-11
-11
-11
-12
-12
-12
-12
-12
-12
-13
-13
-14

Relative Humidity (%)

86
88
86
86
85
85
82
79
85
92
92
94
92
92
94
92
92
92
92
90
90
90
90
90

Pressure (mb)

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

Ozone (du)

379
385
386
388
387
385
378
381
380
374
383
386
391
391
395
398
397
400
403
404
400
396
394
393

Wednesday 4

Waning Gibbous 87%

20:35

08:28

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: 07:13, Set: 17:04, Transit: 12:08. Moon - Rise: 20:35, Set: 08:28. Civil Dark: 17:36 - 06:40. Nautical Dark: 18:12 - 06:04. Astro Dark: 18:47 - 05:29

Total Clouds (% Sky Obscured)

88
82
83
73
73
69
70
73
73
76
74
57
88
99
100
95
100
100
100
100
100
98
89
83

Low Clouds (% Sky Obscured)

80
81
83
73
73
69
70
73
71
75
74
54
75
76
80
82
75
79
79
76
92
83
78
78

Medium Clouds (% Sky Obscured)

59
40
25
2
3
2
2
0
0
0
0
6
39
94
97
80
100
100
99
98
96
88
41
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
12
68
75
74
80
80
80
90
90
90
89
5

ISS Passover

Visibility (miles)

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

Fog (%)

46
15
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
Snow
None
None

Precipitation Probability (%)

14
17
10
7
17
22
23
18
21
3
15
10
0
11
3
0
5
4
5
9
25
35
35
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-16
-15
-14
-14
-13
-12
-12
-12
-13
-14
-15
-15
-16
-17
-17
-17
-18
-18
-18
-18
-19
-18
-20

Dew Point (°C)

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

Relative Humidity (%)

88
90
90
88
87
85
83
83
83
88
88
90
92
90
92
92
90
88
88
90
88
88
88
88

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018

Ozone (du)

394
394
391
390
392
395
398
399
403
407
404
395
393
389
393
414
431
429
409
400
411
417
423
427

Thursday 5

Waning Gibbous 79%

21:45

08:44

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: 07:11, Set: 17:05, Transit: 12:08. Moon - Rise: 21:45, Set: 08:44. Civil Dark: 17:37 - 06:38. Nautical Dark: 18:13 - 06:02. Astro Dark: 18:48 - 05:27

Total Clouds (% Sky Obscured)

83
83
84
83
82
85
86
88
88
77
70
56
45
49
95
96
96
89
91
92
94
94
94
95

Low Clouds (% Sky Obscured)

76
76
75
71
70
69
66
66
64
34
25
20
11
20
35
45
35
30
32
53
59
68
71
79

Medium Clouds (% Sky Obscured)

30
25
25
20
19
5
1
1
0
0
0
0
0
0
52
64
66
53
62
70
76
83
85
85

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
6
0
0
2
2
3
2
4
32
10
36
14
6
13
14

ISS Passover

Visibility (miles)

0
0
0
0
0
0
1
1
1
1
3
8
3
3
2
2
1
2
2
2
3
3
3
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 (%)

34
31
30
26
26
20
23
12
21
2
0
0
0
0
0
0
1
1
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
6
7
6
6
6
6
6
5
4
3
3
2
2
2
2
2
1
2
2
2
2
2

Chance of Frost

Temperature (°C)

-16
-16
-16
-16
-15
-14
-13
-13
-12
-13
-13
-15
-16
-17
-17
-18
-18
-19
-19
-19
-19
-18
-19
-19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
84
84
82
79
76
76
78
83
84
86
81
80
80
79
80
79
80
79
79
79
81
82

Pressure (mb)

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

Ozone (du)

426
431
430
428
429
429
429
425
418
411
397
392
389
390
394
389
393
397
398
398
399
400
401
401

Friday 6

Waning Gibbous 70%

22:54

09:00

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: 07:10, Set: 17:07, Transit: 12:08. Moon - Rise: 22:54, Set: 09:00. Civil Dark: 17:39 - 06:37. Nautical Dark: 18:14 - 06:01. Astro Dark: 18:49 - 05:26

Total Clouds (% Sky Obscured)

96
97
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
89
98
97
97
98
98
98
99
99
98
99
98
98
99
99
99
99
99
99
100
99
99
97

Medium Clouds (% Sky Obscured)

86
88
89
93
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98

High Clouds (% Sky Obscured)

23
21
27
61
81
97
100
100
100
69
37
6
6
15
15
25
25
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
3
3
2
1
1
1
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
0
0
0

Precipitation Type

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

Precipitation Probability (%)

1
2
4
21
14
25
33
46
57
56
59
65
69
72
69
69
72
68
55
48
49
52
46
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
4
5
6
7
8
8
8
8
7
6
5
4
3
3
2
1
3
10
11
13
14
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-24
-22
-21
-20
-19
-18
-18
-17
-17
-17
-18
-17
-18
-17
-18
-17
-17
-18
-23
-25
-27
-28
-29
-30

Dew Point (°C)

-22
-20
-18
-17
-16
-15
-14
-14
-14
-14
-14
-14
-15
-15
-15
-15
-15
-15
-18
-21
-22
-23
-24
-25

Relative Humidity (%)

83
85
86
86
84
84
83
86
88
88
88
90
88
88
88
90
90
88
82
78
77
76
73
71

Pressure (mb)

1010
1009
1008
1007
1006
1005
1003
1003
1002
1001
1001
1001
1001
1000
999
999
999
998
1000
1001
1001
1002
1004
1005

Ozone (du)

405
403
400
402
404
404
406
413
415
418
418
415
419
423
424
429
431
432
449
462
467
475
475
477

Saturday 7

Waning Gibbous 61%

00:03

09:17

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: 07:08, Set: 17:08, Transit: 12:08. Moon - Rise: 00:03, Set: 09:17. Civil Dark: 17:40 - 06:36. Nautical Dark: 18:16 - 06:00. Astro Dark: 18:51 - 05:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
98
98
99
99
99
100
100
99
99
97
89
82
77
71
62
52

Low Clouds (% Sky Obscured)

97
97
99
96
94
93
90
87
88
90
89
92
93
92
88
87
85
84
80
78
77
71
62
51

Medium Clouds (% Sky Obscured)

96
69
64
59
55
55
41
32
25
19
15
10
7
4
0
9
16
22
14
6
0
0
0
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)

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

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 (%)

30
28
22
20
20
19
16
14
13
14
6
5
8
7
0
1
2
3
4
4
0
1
1
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)

15
16
16
15
15
14
13
13
13
13
13
13
13
12
12
12
12
11
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-31
-31
-32
-31
-30
-28
-27
-27
-27
-27
-28
-29
-30
-30
-30
-30
-30
-30
-29
-32
-31
-31
-31
-31

Dew Point (°C)

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

Relative Humidity (%)

71
69
69
68
69
69
71
71
69
69
66
65
65
66
65
65
65
65
65
66
66
66
65
66

Pressure (mb)

1006
1007
1008
1008
1009
1009
1009
1010
1011
1012
1013
1014
1015
1016
1017
1017
1018
1018
1019
1019
1020
1020
1021
1021

Ozone (du)

477
483
489
487
493
504
494
478
468
469
471
474
479
480
481
482
487
493
498
500
501
503
500
496

Sunday 8

Waning Gibbous 51%

01:11

09:37

07 Bad
08 Bad
09 OK
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: 07:07, Set: 17:10, Transit: 12:08. Moon - Rise: 01:11, Set: 09:37. Civil Dark: 17:41 - 06:34. Nautical Dark: 18:17 - 05:59. Astro Dark: 18:52 - 05:24

Total Clouds (% Sky Obscured)

37
21
3
2
1
0
4
7
11
12
8
50
63
81
93
97
100
100
100
100
100
92
83
71

Low Clouds (% Sky Obscured)

34
18
3
2
1
0
4
7
11
7
4
0
18
36
75
79
73
69
65
54
46
28
14
0

Medium Clouds (% Sky Obscured)

0
0
0
1
1
0
3
4
10
12
8
50
63
81
93
97
100
100
100
100
95
69
43
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
18
34
54
65
78
91
76
60
44
30
17
4

ISS Passover

Visibility (miles)

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

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 (%)

1
2
1
10
13
13
20
24
27
25
25
27
23
18
10
8
5
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
11
11
11
11
10
9
10
10
10
11
11
12
12
12
12
12
12
12
11
11
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-31
-32
-32
-32
-32
-32
-32
-26
-26
-26
-26
-26
-26
-26
-27
-28
-28
-28
-28
-28
-28
-28
-29
-29

Dew Point (°C)

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

Relative Humidity (%)

65
66
67
67
68
69
71
73
76
77
77
76
76
76
75
71
71
71
70
70
71
70
70
70

Pressure (mb)

1022
1022
1022
1022
1022
1022
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1026
1026

Ozone (du)

493
493
492
492
496
501
506
507
508
508
508
508
508
504
499
494
489
484
479
475
470
466
463
460

Monday 9

Third Quarter 41%

02:19

10:00

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: 07:05, Set: 17:11, Transit: 12:08. Moon - Rise: 02:19, Set: 10:00. Civil Dark: 17:43 - 06:33. Nautical Dark: 18:18 - 05:57. Astro Dark: 18:53 - 05:22

Total Clouds (% Sky Obscured)

68
68
69
74
79
76
77
83
84
82
85
90
93
97
100
99
99
99

Low Clouds (% Sky Obscured)

0
0
22
36
51
60
61
62
59
53
52
46
54
60
69
73
78
81

Medium Clouds (% Sky Obscured)

8
4
2
3
6
9
8
7
6
22
37
53
53
53
49
51
67
88

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Wind Speed/Direction (mph)

10
10
11
11
11
10
9
9
8
8
7
5
4
4
4
3
3
3

Chance of Frost

Temperature (°C)

-23
-21
-20
-19
-17
-15
-13
-13
-13
-12
-14
-15
-17
-17
-18
-18
-19
-18

Feels Like (°C)

-29
-29
-28
-27
-27
-27
-27
-19
-19
-18
-18
-17
-17
-22
-22
-21
-22
-23

Dew Point (°C)

-26
-25
-23
-22
-20
-18
-16
-16
-15
-15
-16
-18
-19
-20
-20
-21
-21
-20

Relative Humidity (%)

70
71
74
75
75
76
78
78
79
83
83
81
82
82
83
82
83
83

Pressure (mb)

1026
1026
1026
1026
1026
1025
1024
1024
1023
1023
1023
1023
1024
1024
1024
1024
1023
1023

Ozone (du)

457
456
455
453
451
449
447
445
442
439
435
430
426
420
414
408
407
406

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

Generated: 03/02/26 07:44:54. Forecast: 03/02/26 to 09/02/26. Timezone: UTC-5.00