Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 21

Waxing Crescent 22%

08:17

22:53

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

Sun - Rise: 06:46, Set: 17:30, Transit: 12:08. Moon - Rise: 08:17, Set: 22:53. Civil Dark: 18:00 - 06:16. Nautical Dark: 18:35 - 05:41. Astro Dark: 19:10 - 05:06

Total Clouds (% Sky Obscured)

30
30
13
10
6
1
0
0
1
1
1
1
1
2
2
6
21
5
5
5
5
9
27
34

Low Clouds (% Sky Obscured)

30
30
8
2
6
1
0
0
1
1
1
1
1
2
2
6
21
5
5
5
5
9
27
34

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
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)

7
9
9
9
7
9
9
9
9
9
9
9
9
9
9
7
2
2
1
1
1
1
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 (%)

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

11
8
6
4
4
4
4
5
5
5
5
6
6
6
4
4
4
4
3
3
2
2
3
3

Chance of Frost

Temperature (°C)

-13
-14
-17
-20
-16
-15
-14
-12
-10
-9
-7
-6
-6
-5
-6
-8
-9
-10
-10
-11
-12
-12
-12
-12

Feels Like (°C)

-18
-20
-22
-23
-18
-17
-16
-14
-13
-11
-9
-9
-8
-7
-8
-9
-12
-14
-14
-15
-16
-16
-16
-16

Dew Point (°C)

-16
-17
-20
-22
-18
-17
-17
-16
-14
-12
-11
-10
-9
-8
-8
-9
-10
-11
-12
-13
-13
-13
-14
-13

Relative Humidity (%)

78
77
77
78
81
79
76
73
75
75
73
73
76
82
89
90
92
92
90
90
90
90
88
88

Pressure (mb)

1013
1013
1014
1016
1017
1018
1018
1019
1019
1019
1019
1019
1020
1021
1021
1022
1023
1023
1024
1024
1025
1025
1025
1025

Ozone (du)

410
411
413
414
414
412
413
412
411
409
408
406
407
409
411
414
417
419
419
420
420
419
418
418

Sunday 22

Waxing Crescent 32%

08:40

00:15

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 OK
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

Sun - Rise: 06:45, Set: 17:31, Transit: 12:08. Moon - Rise: 08:40, Set: 00:15. Civil Dark: 18:02 - 06:14. Nautical Dark: 18:37 - 05:39. Astro Dark: 19:12 - 05:04

Total Clouds (% Sky Obscured)

43
45
52
53
50
40
41
37
32
29
20
83
84
94
93
100
96
89
84
85
83
78
94
98

Low Clouds (% Sky Obscured)

43
45
52
53
50
40
41
37
32
19
12
6
19
30
33
29
30
30
30
30
35
40
35
40

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
11
20
83
84
94
93
95
89
87
82
82
82
63
90
85

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
65
70
75
75
48
78
80
98

ISS Passover

Visibility (miles)

1
1
1
1
2
2
3
8
9
9
9
9
9
3
1
1
0
0
0
1
2
2
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 (%)

0
13
4
1
0
0
0
1
0
1
0
0
0
3
13
2
12
15
4
4
10
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
7
7
8
8
9
10
10
10
10
9
9
8
8
7
7
7
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

-12
-12
-13
-12
-11
-9
-8
-7
-6
-5
-3
-2
-2
-3
-4
-5
-5
-5
-6
-6
-6
-7
-7
-8

Feels Like (°C)

-16
-16
-17
-17
-16
-15
-13
-13
-11
-9
-7
-7
-7
-7
-8
-9
-10
-10
-11
-10
-11
-12
-12
-12

Dew Point (°C)

-13
-13
-13
-12
-12
-10
-10
-9
-8
-7
-5
-4
-4
-4
-5
-5
-6
-6
-7
-7
-7
-8
-8
-8

Relative Humidity (%)

88
92
94
96
92
92
90
90
87
85
86
86
86
91
92
94
94
94
94
94
92
94
94
94

Pressure (mb)

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

Ozone (du)

420
423
423
420
419
420
419
417
417
415
415
415
414
415
417
419
418
416
414
412
408
406
404
402

Monday 23

Waxing Crescent 43%

09:09

01:37

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
01 Bad
02 Bad

Sun - Rise: 06:43, Set: 17:33, Transit: 12:08. Moon - Rise: 09:09, Set: 01:37. Civil Dark: 18:03 - 06:13. Nautical Dark: 18:38 - 05:38. Astro Dark: 19:13 - 05:03

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
100
100
100
100

Low Clouds (% Sky Obscured)

34
35
35
35
23
10
1
1
2
0
1
1
4
0
17
20
14
28
34
44
77
84
81
84

Medium Clouds (% Sky Obscured)

90
86
93
72
100
98
100
99
100
100
100
100
100
87
98
92
100
100
100
91
98
94
100
100

High Clouds (% Sky Obscured)

93
47
100
100
100
100
100
100
100
100
100
100
79
78
99
85
77
53
45
52
88
75
80
59

ISS Passover

Visibility (miles)

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

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
1
0
0
0
0
0
0
0
0
0
0
2
2
1
1
1
3
17
15
3
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)

7
7
7
7
6
7
7
6
8
9
9
10
10
11
11
10
12
11
11
10
10
11
12
11

Chance of Frost

Temperature (°C)

-8
-8
-9
-9
-10
-9
-8
-7
-6
-5
-4
-3
-3
-3
-4
-5
-6
-6
-7
-8
-8
-9
-10
-11

Feels Like (°C)

-13
-13
-13
-14
-14
-14
-13
-11
-11
-10
-9
-8
-8
-9
-10
-11
-12
-12
-13
-13
-14
-15
-16
-17

Dew Point (°C)

-9
-9
-10
-10
-11
-11
-10
-9
-9
-9
-8
-7
-5
-5
-6
-7
-8
-8
-9
-9
-9
-10
-12
-13

Relative Humidity (%)

92
92
92
92
87
87
85
83
79
74
75
78
84
86
85
85
85
85
87
88
88
90
87
86

Pressure (mb)

1017
1017
1017
1016
1016
1016
1016
1014
1014
1012
1011
1010
1009
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
1006

Ozone (du)

402
405
403
406
406
407
409
410
410
412
416
419
418
411
412
414
419
420
420
422
424
423
420
423

Tuesday 24

First Quarter 55%

09:47

02:53

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
01 Bad
02 Bad

Sun - Rise: 06:41, Set: 17:34, Transit: 12:08. Moon - Rise: 09:47, Set: 02:53. Civil Dark: 18:05 - 06:11. Nautical Dark: 18:40 - 05:36. Astro Dark: 19:15 - 05:01

Total Clouds (% Sky Obscured)

100
99
98
97
93
89
85
67
52
39
41
52
50
55
60
58
64
75
75
70
80
76
81
90

Low Clouds (% Sky Obscured)

84
84
83
84
76
72
78
67
52
39
41
52
50
55
60
58
64
75
75
70
80
76
81
72

Medium Clouds (% Sky Obscured)

100
96
92
88
85
82
63
37
20
7
5
4
1
4
2
0
0
45
23
3
7
6
66
88

High Clouds (% Sky Obscured)

59
37
20
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
1
3
17
27
48
72

ISS Passover

Visibility (miles)

2
2
1
2
3
3
3
4
4
4
2
1
1
1
2
4
3
2
2
3
2
2
3
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 (%)

11
4
4
4
2
2
1
3
5
17
13
13
17
5
0
0
0
0
3
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)

11
11
11
10
10
10
11
12
11
10
10
10
10
9
9
8
8
6
6
4
3
2
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-14
-15
-16
-17
-18
-18
-18
-18
-16
-16
-15
-15
-14
-14
-15
-16
-18
-19
-21
-22
-24
-25
-25
-23

Relative Humidity (%)

85
84
84
81
81
81
80
81
83
81
79
78
78
83
81
83
83
82
81
80
76
77
76
78

Pressure (mb)

1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1007
1007
1007
1008
1008
1009
1010
1011
1011
1012
1012
1012
1012
1012

Ozone (du)

416
415
422
431
433
438
440
441
436
430
432
433
431
429
427
432
441
444
441
437
435
438
446
447

Wednesday 25

Waxing Gibbous 67%

10:39

02:53

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
01 Bad
02 Bad

Sun - Rise: 06:39, Set: 17:36, Transit: 12:08. Moon - Rise: 10:39, Set: 02:53. Civil Dark: 18:06 - 06:09. Nautical Dark: 18:41 - 05:34. Astro Dark: 19:16 - 04:59

Total Clouds (% Sky Obscured)

100
99
95
97
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99

Low Clouds (% Sky Obscured)

93
78
57
60
52
76
96
97
98
99
99
100
100
100
99
99
98
97
94
93
92
91
93
96

Medium Clouds (% Sky Obscured)

100
97
92
90
93
97
95
64
57
59
68
56
68
100
100
100
82
62
44
50
53
56
55
54

High Clouds (% Sky Obscured)

100
65
30
3
23
31
40
45
58
43
100
100
100
100
100
100
88
76
50
15
5
5
0
5

ISS Passover

Visibility (miles)

9
9
9
6
3
0
1
1
1
1
0
0
0
0
1
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
1
2
1
3
22
15
43
64
79
85
81
85
94
94
91
95
91
58
54
55
58
59
56

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.1
0.3
0.5
0.5
0.4
0.5
0.7
0.7
0.6
1.1
0.6
0.2
0.2
0.2
0.2
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-20
-19
-19
-20
-20
-17
-16
-14
-12
-11
-10
-10
-9
-9
-9
-10
-10
-9
-9
-8
-8
-8
-8
-8

Feels Like (°C)

-24
-23
-23
-23
-24
-21
-20
-19
-17
-16
-15
-15
-14
-14
-14
-14
-14
-13
-14
-13
-13
-13
-12
-12

Dew Point (°C)

-23
-22
-22
-22
-22
-19
-18
-16
-14
-13
-12
-12
-11
-11
-11
-11
-11
-11
-10
-9
-9
-9
-9
-9

Relative Humidity (%)

78
80
80
80
80
82
83
83
85
86
86
86
88
88
90
90
90
90
90
92
90
92
92
92

Pressure (mb)

1011
1011
1010
1010
1009
1008
1006
1005
1004
1002
1000
999
999
998
997
997
997
996
996
995
996
997
997
998

Ozone (du)

456
464
468
468
469
470
470
467
466
468
466
466
464
464
467
467
470
471
472
473
474
476
478
479

Thursday 26

Waxing Gibbous 78%

11:44

03:57

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
01 Bad
02 Bad

Sun - Rise: 06:38, Set: 17:37, Transit: 12:07. Moon - Rise: 11:44, Set: 03:57. Civil Dark: 18:07 - 06:07. Nautical Dark: 18:42 - 05:32. Astro Dark: 19:17 - 04:57

Total Clouds (% Sky Obscured)

100
94
84
73
73
72
72
58
44
31
33
35
37
48
56
81
82
87
91
96
99
100
100
100

Low Clouds (% Sky Obscured)

100
94
84
72
68
67
66
55
43
31
33
35
37
45
54
62
61
61
74
78
76
75
74
69

Medium Clouds (% Sky Obscured)

50
50
45
40
37
20
13
9
6
3
2
1
0
0
0
0
1
1
2
26
50
74
64
53

High Clouds (% Sky Obscured)

5
3
2
0
0
0
0
0
0
1
1
1
0
0
0
0
10
19
30
51
74
100
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
1
1
2
2
4
6
8
6
4
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

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

Precipitation Probability (%)

53
48
45
42
38
34
32
30
29
27
26
25
25
19
15
11
13
11
2
11
10
2
3
7

Precipitation Amount (mm)

0.2
0.2
0.2
0.1
0.1
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
6
6
6
6
7
8
8
9
9
9
8
8
6
5
4
3
2
1
1
1
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-12
-12
-13
-14
-14
-14
-14
-13
-13
-13
-10
-11
-11
-10
-10
-9
-15
-15
-14
-14
-16
-16
-18

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1000
1001
1002
1004
1005
1006
1007
1009
1009
1010
1011
1011
1012
1013
1014
1015
1016
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

481
483
481
480
479
476
473
470
468
466
465
460
456
452
447
442
437
436
435
433
429
425
421
420

Friday 27

Waxing Gibbous 87%

13:01

04:47

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: 06:36, Set: 17:39, Transit: 12:07. Moon - Rise: 13:01, Set: 04:47. Civil Dark: 18:09 - 06:06. Nautical Dark: 18:44 - 05:31. Astro Dark: 19:19 - 04:56

Total Clouds (% Sky Obscured)

100
100
100
97
96
98
100
100
100
100
99
99
98
94
91
86
86
86
87
84
81
78

Low Clouds (% Sky Obscured)

62
47
35
23
41
59
82
79
79
78
81
84
84
81
80
79
78
76
75
68
61
54

Medium Clouds (% Sky Obscured)

41
57
69
58
70
84
100
100
100
100
89
79
69
73
76
80
69
60
51
39
34
34

High Clouds (% Sky Obscured)

100
95
95
90
93
97
100
97
93
65
45
25
25
10
3
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

12
11
7
1
6
7
2
13
15
14
15
14
15
14
14
16
15
17
15
19
14
4

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-14
-14
-13
-13
-12
-10
-9
-8
-7
-6
-5
-5
-5
-5
-6
-7
-9
-9
-9
-9
-9
-10

Feels Like (°C)

-18
-18
-18
-18
-18
-15
-15
-14
-13
-12
-12
-8
-8
-8
-6
-5
-4
-13
-13
-14
-13
-12

Dew Point (°C)

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

Relative Humidity (%)

92
92
90
90
90
88
88
88
87
85
85
84
84
84
85
87
90
90
90
90
90
90

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1015
1014
1014
1013
1012
1012
1012
1012
1013
1014
1014
1014
1014
1015
1015

Ozone (du)

419
418
416
415
414
414
413
413
416
419
422
429
435
441
443
444
446
441
435
430
428
427

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

Generated: 21/02/26 03:41:29. Forecast: 21/02/26 to 27/02/26. Timezone: UTC-5.00