Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 22%

08:16

21:30

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
07 Bad
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good

Sun - Rise: 06:43, Set: 17:28, Transit: 12:05. Moon - Rise: 08:16, Set: 21:30. Civil Dark: 17:58 - 06:13. Nautical Dark: 18:31 - 05:38. Astro Dark: 19:06 - 05:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
98
97
98
92
83
45
2
1
1
1
1
2
2
2
2
2

Low Clouds (% Sky Obscured)

41
35
66
93
97
93
97
96
95
93
87
79
74
45
1
1
1
1
1
1
1
1
1
1

Medium Clouds (% Sky Obscured)

100
100
100
99
100
100
95
47
63
73
46
36
18
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

92
77
85
100
100
100
62
42
55
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
1
0
0
0
0
0
0
0
0
7
9
9
9
9
9
9
9
9
9
9
9
9

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

Precipitation Probability (%)

8
24
61
95
89
89
82
69
52
38
20
11
3
1
0
0
0
1
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
16
16
17
17
18
18
17
17
17
16
16
16
15
15
15
15
14
14
13
12
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-14
-15
-16
-15
-17
-18
-18
-18
-18
-19
-19
-19
-19
-19
-18
-17
-16
-15
-14
-12
-11
-10
-9
-10

Dew Point (°C)

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

Relative Humidity (%)

84
85
85
88
88
88
88
86
88
86
83
76
78
76
76
76
75
75
75
74
76
79
82
84

Pressure (mb)

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

Ozone (du)

396
399
402
404
409
413
413
411
407
407
412
415
414
413
412
412
412
410
405
403
402
403
406
408

Saturday 21

Waxing Crescent 32%

08:39

22:49

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

Sun - Rise: 06:41, Set: 17:29, Transit: 12:05. Moon - Rise: 08:39, Set: 22:49. Civil Dark: 17:59 - 06:11. Nautical Dark: 18:33 - 05:36. Astro Dark: 19:07 - 05:02

Total Clouds (% Sky Obscured)

2
2
3
2
3
3
3
3
28
7
21
3
9
3
3
2
17
6
9
11
42
50
94
85

Low Clouds (% Sky Obscured)

1
1
1
2
2
1
1
1
12
3
8
1
4
2
2
1
13
3
3
4
1
1
1
1

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
50
72
58

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
1
0
0
0
0
0
4
42
15
94
85

ISS Passover

Visibility (miles)

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

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
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)

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

Chance of Frost

Temperature (°C)

-7
-8
-8
-9
-9
-9
-10
-10
-10
-11
-11
-11
-11
-12
-11
-9
-7
-5
-3
-2
-1
-1
0
-1

Feels Like (°C)

-11
-12
-12
-13
-13
-13
-13
-14
-14
-16
-15
-16
-15
-16
-15
-13
-11
-9
-7
-5
-4
-5
-2
-6

Dew Point (°C)

-9
-10
-10
-11
-11
-11
-11
-11
-12
-12
-13
-13
-13
-13
-12
-11
-9
-7
-6
-5
-2
-2
-1
-2

Relative Humidity (%)

85
85
87
85
87
87
88
87
86
86
86
86
86
88
88
88
89
87
81
82
92
91
91
92

Pressure (mb)

1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1023
1022
1022
1022
1021
1021
1021

Ozone (du)

412
416
418
420
422
423
422
424
425
427
428
425
423
423
420
419
418
417
416
416
416
418
415
416

Sunday 22

Waxing Crescent 43%

09:08

00:10

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:40, Set: 17:31, Transit: 12:05. Moon - Rise: 09:08, Set: 00:10. Civil Dark: 17:59 - 06:09. Nautical Dark: 18:34 - 05:35. Astro Dark: 19:09 - 05:00

Total Clouds (% Sky Obscured)

80
80
79
52
73
54
46
49
49
100
100
42
90
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
2
2
1
1
1
1
1
11
1
1
1
14
17
22
2
16
2
2
2
8
44
33
10

Medium Clouds (% Sky Obscured)

55
68
64
38
60
39
46
44
49
100
35
42
58
48
9
99
97
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

80
80
79
52
73
54
46
49
49
100
100
42
90
100
95
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
7
9
9
9
9
9
9
9
1
9

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
12
2
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-9
-10
-11
-12
-13
-13
-13
-15
-14
-15
-15
-15
-16
-16
-14
-13
-12
-11
-10
-9
-8
-7
-8

Dew Point (°C)

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

Relative Humidity (%)

92
91
89
89
89
90
90
88
87
87
87
88
87
87
87
85
85
84
82
81
81
83
89
82

Pressure (mb)

1021
1021
1020
1020
1020
1020
1019
1018
1018
1018
1018
1017
1016
1016
1016
1016
1015
1014
1013
1012
1011
1011
1010
1010

Ozone (du)

418
417
415
413
410
411
410
409
408
407
408
408
405
403
403
405
407
408
409
409
411
414
412
411

Monday 23

Waxing Crescent 41%

09:47

01:31

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

Sun - Rise: 06:38, Set: 17:32, Transit: 12:05. Moon - Rise: 09:47, Set: 01:31. Civil Dark: 18:01 - 06:08. Nautical Dark: 18:36 - 05:33. Astro Dark: 19:10 - 04:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
84
96
82
31
18
16
22
24
61
79
90
83
78
75
78
79

Low Clouds (% Sky Obscured)

39
39
40
40
45
49
33
29
27
23
14
16
16
15
21
19
61
79
90
83
78
75
78
79

Medium Clouds (% Sky Obscured)

100
100
100
100
93
89
49
46
44
93
82
16
3
1
0
0
0
0
0
0
0
0
1
1

High Clouds (% Sky Obscured)

100
85
69
37
59
78
97
70
37
8
3
0
0
0
0
0
0
0
0
1
7
1
1
3

ISS Passover

Visibility (miles)

9
8
0
0
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
1
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
17
20
15
3
2
0
1
1
1
2
2
1
2
1
0
1
2
6
20
24
21
26
21

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

Chance of Frost

Temperature (°C)

-5
-5
-6
-6
-6
-8
-9
-10
-11
-11
-9
-10
-12
-14
-12
-11
-10
-9
-8
-8
-7
-7
-7
-8

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-7
-7
-8
-10
-11
-12
-13
-13
-11
-13
-14
-17
-14
-14
-14
-13
-12
-11
-10
-9
-9
-9

Relative Humidity (%)

85
85
92
92
84
85
87
86
85
85
83
78
81
79
83
76
73
74
74
75
83
87
87
90

Pressure (mb)

1009
1009
1009
1009
1008
1008
1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1010
1010
1010
1009
1009
1009
1009
1010

Ozone (du)

411
413
415
416
416
419
421
415
417
419
428
422
418
428
430
432
434
434
432
429
431
429
429
428

Tuesday 24

First Quarter 55%

10:39

02:47

18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 Bad
00 Bad
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

Sun - Rise: 06:36, Set: 17:34, Transit: 12:05. Moon - Rise: 10:39, Set: 02:47. Civil Dark: 18:02 - 06:06. Nautical Dark: 18:37 - 05:31. Astro Dark: 19:12 - 04:57

Total Clouds (% Sky Obscured)

79
60
45
35
32
40
57
66
70
85
84
95
98
98
98
99
99
100
100
100
100
100
98
97

Low Clouds (% Sky Obscured)

76
55
32
11
11
17
21
21
32
48
55
56
64
72
84
90
93
95
98
99
99
100
98
97

Medium Clouds (% Sky Obscured)

15
15
20
20
16
21
41
49
53
65
59
78
85
89
93
98
95
89
83
87
94
100
96
92

High Clouds (% Sky Obscured)

15
15
15
25
2
6
17
23
31
30
15
36
26
36
48
65
75
75
70
79
88
96
77
60

ISS Passover

Visibility (miles)

2
4
9
9
9
9
9
8
5
5
3
3
2
2
2
2
2
1
1
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
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
3
0
0
0
0
0
0
2
4
1
2
1
3
4
3
30
43
54
62
70
80
83
84

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.3
0.3
0.5
0.5
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-9
-9
-11
-11
-12
-13
-14
-16
-17
-18
-17
-17
-18
-18
-16
-14
-13
-12
-10
-9
-8
-8
-7
-7

Feels Like (°C)

-14
-16
-16
-16
-17
-18
-18
-20
-21
-21
-20
-20
-22
-21
-21
-21
-20
-20
-19
-18
-13
-13
-13
-13

Dew Point (°C)

-10
-12
-12
-13
-14
-15
-16
-18
-19
-20
-19
-18
-20
-19
-18
-16
-15
-14
-12
-11
-10
-9
-8
-8

Relative Humidity (%)

90
83
86
86
85
86
86
86
84
84
85
87
84
85
86
84
84
85
85
85
87
90
92
90

Pressure (mb)

1010
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1012
1012
1012
1011
1011
1010
1009
1007
1006
1005
1004
1002
1002

Ozone (du)

431
435
435
446
448
449
448
453
457
470
479
481
476
474
474
474
474
472
470
468
467
467
467
472

Wednesday 25

Waxing Gibbous 67%

11:44

03:51

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:34, Set: 17:35, Transit: 12:05. Moon - Rise: 11:44, Set: 03:51. Civil Dark: 18:04 - 06:04. Nautical Dark: 18:38 - 05:30. Astro Dark: 19:13 - 04:55

Total Clouds (% Sky Obscured)

95
97
99
100
99
98
97
95
94
92
88
85
80
79
81
84
75
56
32
50
68
86
67
48

Low Clouds (% Sky Obscured)

95
97
99
100
98
94
89
86
83
79
80
85
80
79
81
81
73
56
32
50
50
41
31
32

Medium Clouds (% Sky Obscured)

87
84
81
79
81
83
86
86
85
87
72
60
52
51
57
51
36
19
2
1
1
0
0
0

High Clouds (% Sky Obscured)

42
39
36
33
24
13
0
0
1
2
3
4
4
3
1
0
0
0
0
0
0
0
1
2

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
9
9
9
9
9
9
9
9

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
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

84
82
83
85
90
89
84
79
75
69
58
49
43
35
29
23
19
15
6
6
5
1
6
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
9
10
13
12
12
11
13
14
16
15
14
13
12
11
11
10
10
9
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
92
92
92
91
92
92
92
92
92
92
90
84
77
74
70
67
65
69
73
76
79

Pressure (mb)

1001
1001
1000
999
999
999
999
1000
1001
1002
1002
1004
1006
1007
1008
1010
1011
1011
1012
1013
1013
1013
1013
1014

Ozone (du)

478
483
481
479
477
481
485
489
486
483
480
480
479
479
478
478
478
472
466
460
454
448
442
438

Thursday 26

Waxing Gibbous 78%

13:00

04:42

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

Sun - Rise: 06:32, Set: 17:36, Transit: 12:04. Moon - Rise: 13:00, Set: 04:42. Civil Dark: 18:05 - 06:03. Nautical Dark: 18:40 - 05:28. Astro Dark: 19:14 - 04:53

Total Clouds (% Sky Obscured)

29
48
62
74
74
79
80
87
90
93
95
98
97
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

29
25
18
8
13
15
17
31
47
53
66
78
91
86
81
78
75
72
68

Medium Clouds (% Sky Obscured)

0
0
1
1
24
40
74
74
75
75
75
80
80
83
92
100
100
100
100

High Clouds (% Sky Obscured)

3
18
31
44
54
67
75
75
75
55
25
0
0
33
68
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
4
2
1
1
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

Precipitation Type

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

Precipitation Probability (%)

3
6
7
1
6
5
1
9
14
20
33
49
62
83
93
95
95
94
91

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.4
0.6
0.7
0.7
0.6
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-8
-10
-11
-13
-14
-14
-13
-12
-12
-12
-12
-11
-10
-10
-8
-7
-6
-5
-4

Feels Like (°C)

-6
-6
-13
-14
-15
-17
-17
-18
-17
-17
-18
-18
-18
-18
-16
-15
-15
-15
-14

Dew Point (°C)

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

Relative Humidity (%)

80
81
83
83
83
86
86
86
86
86
86
88
88
90
92
94
94
94
94

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1011
1010
1010
1008
1007

Ozone (du)

435
431
427
422
418
415
412
409
406
403
399
397
396
394
395
396
396
400
403

Forecast for Sorel-Tracy, Montérégie, Canada (46.04,-73.11)

Generated: 20/02/26 18:21:25. Forecast: 20/02/26 to 26/02/26. Timezone: UTC-5.00