Clear Outside v1.0 - International Weather Forecasts For Astronomers

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)

94
100
99
95
100
100
100
100
97
100
100
100
99
96
96
96
85
90
55
83
97
92
93
95

Low Clouds (% Sky Obscured)

79
92
85
95
92
85
87
81
92
90
93
92
91
94
92
88
52
62
45
46
94
87
89
87

Medium Clouds (% Sky Obscured)

90
86
95
95
100
100
100
100
88
50
55
100
98
92
91
88
79
84
55
48
55
45
21
40

High Clouds (% Sky Obscured)

94
95
72
95
100
100
0
0
3
3
22
14
0
0
0
0
3
1
0
0
0
2
0
0

ISS Passover

Visibility (miles)

3
2
0
2
0
0
0
0
0
0
0
0
0
0
0
0
1
3
3
2
2
0
8
3

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
39
70
66
52
47
44
46
53
55
66
75
72
45
15
7
6
15
35
27
19
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
86
84
86
86
86
86
86
86
88
88
90
92
94
94
94
92
92
90
92
92
90
88

Pressure (mb)

1007
1006
1006
1005
1004
1004
1003
1002
1001
1001
999
999
998
998
998
999
999
999
1000
1000
1000
1000
1000
1001

Ozone (du)

430
434
422
436
459
457
463
467
466
466
466
461
463
463
470
478
479
480
479
477
471
466
466
469

Thursday 26

Waxing Gibbous 78%

11:44

03:57

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 OK
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)

62
65
53
55
50
19
34
35
84
91
100
83
46
63
53
89
88
97
99
94
52
70
66
69

Low Clouds (% Sky Obscured)

60
52
53
55
50
19
34
35
47
50
59
41
36
51
50
39
29
29
30
26
13
20
2
25

Medium Clouds (% Sky Obscured)

17
43
12
5
2
0
0
0
30
37
69
78
41
55
48
84
82
97
99
94
49
53
61
53

High Clouds (% Sky Obscured)

0
0
3
0
0
0
0
0
3
22
77
66
46
32
28
31
38
63
53
5
15
20
4
4

ISS Passover

Visibility (miles)

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

Fog (%)

3
4
3
3
2
1
0
0
0
1
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 (%)

10
12
3
1
0
0
0
0
1
16
1
19
9
13
1
0
0
0
0
0
1
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
10
9
9
9
10
11
10
11
11
11
10
9
8
7
6
5
5
5
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-16
-16
-17
-18
-17
-17
-16
-15
-15
-15
-15
-15
-16
-16
-17
-18
-19
-19
-19
-19
-19
-19

Dew Point (°C)

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

Relative Humidity (%)

88
88
85
85
85
83
83
78
77
77
75
75
77
81
80
83
84
84
86
86
88
82
82
81

Pressure (mb)

1002
1003
1004
1005
1006
1008
1008
1009
1010
1010
1010
1010
1010
1011
1011
1013
1014
1014
1015
1015
1016
1017
1017
1018

Ozone (du)

471
473
477
483
481
479
477
475
473
471
468
465
464
459
453
447
447
448
450
452
451
452
452
454

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
01 Bad
02 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)

73
82
89
90
90
86
89
95
95
92
100
100
97
93
93
94
100
92
91
94
99
100
100
100

Low Clouds (% Sky Obscured)

36
68
78
78
86
79
78
89
87
84
78
82
81
73
77
77
83
77
78
82
89
92
94
97

Medium Clouds (% Sky Obscured)

58
57
60
61
69
77
83
85
72
16
99
100
53
42
38
44
95
56
23
15
52
94
96
98

High Clouds (% Sky Obscured)

4
4
4
0
0
0
0
0
4
3
2
2
40
40
25
2
0
0
0
18
86
100
94
87

ISS Passover

Visibility (miles)

3
3
3
3
3
9
9
9
9
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
None
None
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
7
11
13
20
19
21
24
38
43
47
42
41
34
20
41
26
25
27
20
21
22
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
2
2
2
2
3
4
6
7
8
9
8
8
7
7
5
6
6
6
7
7
8
10

Chance of Frost

Temperature (°C)

-17
-17
-17
-17
-18
-16
-15
-13
-11
-10
-9
-7
-7
-7
-8
-8
-8
-8
-8
-7
-6
-5
-4
-4

Feels Like (°C)

-19
-20
-20
-21
-21
-20
-19
-17
-16
-15
-14
-13
-12
-12
-12
-13
-13
-12
-12
-12
-11
-10
-9
-9

Dew Point (°C)

-19
-19
-19
-20
-20
-18
-18
-16
-14
-12
-10
-9
-9
-8
-9
-9
-9
-9
-9
-8
-7
-6
-5
-5

Relative Humidity (%)

80
81
80
80
79
82
79
76
80
81
88
90
90
92
92
92
92
92
94
92
92
92
94
96

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1018
1018
1017
1016
1016
1016
1016
1016
1016
1016
1016
1015
1014
1014
1012
1011
1010

Ozone (du)

458
465
477
477
477
472
465
459
459
459
458
458
463
463
467
468
462
448
440
433
427
420
419
421

Saturday 28

Waxing Gibbous 94%

14:22

05:24

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 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:34, Set: 17:40, Transit: 12:07. Moon - Rise: 14:22, Set: 05:24. Civil Dark: 18:10 - 06:04. Nautical Dark: 18:45 - 05:29. Astro Dark: 19:20 - 04:54

Total Clouds (% Sky Obscured)

100
100
100
100
90
81
72
65
62
59
38
52
84
76
71
27
42
58
78
79
70
85
85
44

Low Clouds (% Sky Obscured)

98
96
93
92
89
81
72
65
62
5
17
45
84
76
71
27
42
58
78
79
65
80
79
23

Medium Clouds (% Sky Obscured)

99
99
98
98
72
49
25
36
12
14
10
6
2
2
1
0
5
8
10
18
23
31
30
30

High Clouds (% Sky Obscured)

81
74
57
24
26
23
25
40
40
50
1
2
5
4
2
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
1
9
8
6
2
2
5
9
9
9
8
6
6
4
4
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
None
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

94
95
95
95
62
38
60
67
51
11
25
25
24
22
3
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.7
1
2.3
1.7
0.3
0
0.2
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
14
14
13
13
14
15
16
16
17
16
15
15
14
13
11
10
9
9
8
8
7
7
7

Chance of Frost

Temperature (°C)

-4
-3
-2
-2
-1
0
1
1
1
-0
-1
-3
-4
-7
-9
-11
-12
-13
-14
-15
-16
-17
-18
-20

Feels Like (°C)

-10
-9
-9
-8
-7
-6
-6
-5
-6
-8
-8
-8
-10
-13
-15
-17
-17
-18
-19
-20
-21
-22
-23
-24

Dew Point (°C)

-4
-4
-3
-2
-1
-1
0
1
-0
-3
-4
-5
-7
-9
-11
-14
-15
-16
-17
-18
-18
-20
-21
-22

Relative Humidity (%)

96
94
96
96
98
96
98
98
94
81
81
82
82
82
82
78
78
79
79
79
80
81
80
78

Pressure (mb)

1008
1007
1006
1005
1004
1004
1004
1004
1004
1006
1007
1008
1010
1012
1014
1016
1018
1019
1020
1021
1022
1022
1023
1024

Ozone (du)

425
429
430
431
430
428
425
421
418
420
417
420
423
430
436
442
447
450
449
447
445
446
447
446

Sunday 1

Waxing Gibbous 98%

15:42

05:52

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 OK
01 Bad
02 Bad

Sun - Rise: 06:32, Set: 17:42, Transit: 12:07. Moon - Rise: 15:42, Set: 05:52. Civil Dark: 18:12 - 06:02. Nautical Dark: 18:47 - 05:27. Astro Dark: 19:22 - 04:52

Total Clouds (% Sky Obscured)

46
78
84
90
68
70
61
81
92
95
96
98
98
98
99
99
90
81
72
52
33
16
35
45

Low Clouds (% Sky Obscured)

27
67
78
85
63
69
61
79
84
86
88
90
93
94
92
93
86
77
69
52
33
16
26
17

Medium Clouds (% Sky Obscured)

43
41
27
14
9
5
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
2

ISS Passover

Visibility (miles)

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

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
1
1
0
2
2
1
2
3
5
3
2
3
12
0
0
0
0
0
0
1
2
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)

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

Chance of Frost

Temperature (°C)

-21
-22
-23
-24
-25
-21
-20
-19
-18
-17
-17
-16
-17
-16
-18
-19
-21
-22
-23
-25
-25
-26
-27
-27

Feels Like (°C)

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

Dew Point (°C)

-24
-25
-26
-27
-28
-25
-24
-23
-22
-22
-21
-21
-22
-21
-22
-23
-24
-26
-27
-27
-28
-29
-30
-30

Relative Humidity (%)

75
75
75
74
73
73
72
69
67
67
67
65
65
69
70
71
72
73
73
74
73
73
72
72

Pressure (mb)

1024
1025
1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1029
1029
1031
1032
1033
1034
1035
1036
1036
1037
1038
1038

Ozone (du)

448
455
462
461
466
474
483
490
488
488
482
473
467
459
458
457
448
444
439
435
429
423
417
417

Monday 2

Waxing Gibbous 100%

16:59

06:14

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

Sun - Rise: 06:30, Set: 17:43, Transit: 12:07. Moon - Rise: 16:59, Set: 06:14. Civil Dark: 18:13 - 06:00. Nautical Dark: 18:48 - 05:25. Astro Dark: 19:23 - 04:50

Total Clouds (% Sky Obscured)

48
33
23
15
10
5
0
0
0
0
0
0
0
5
5
46
36
26
7
16
24
31
24
18

Low Clouds (% Sky Obscured)

8
5
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
9
12
17
12
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
3
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
4
4
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)

9
9
9
9
9
9
9
9
8
7
6
6
6
6
7
8
9
8
7
6
7
8
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
1
4
8
10
11
12
17
18
12
8
3
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)

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

Chance of Frost

Temperature (°C)

-27
-27
-27
-27
-27
-24
-22
-19
-18
-17
-15
-15
-14
-14
-16
-18
-19
-21
-21
-23
-23
-23
-24
-24

Feels Like (°C)

-30
-30
-31
-32
-32
-30
-31
-30
-29
-28
-26
-19
-19
-19
-18
-17
-15
-24
-24
-24
-24
-25
-26
-27

Dew Point (°C)

-30
-30
-30
-30
-30
-28
-26
-23
-22
-21
-20
-19
-19
-18
-20
-21
-22
-23
-24
-25
-25
-26
-27
-27

Relative Humidity (%)

72
72
73
72
73
71
69
70
69
69
69
69
69
70
73
76
81
78
77
76
77
77
75
75

Pressure (mb)

1038
1038
1039
1039
1039
1039
1039
1039
1038
1038
1037
1037
1037
1036
1037
1038
1039
1039
1039
1039
1039
1039
1039
1039

Ozone (du)

418
418
418
418
418
422
426
430
432
434
435
442
448
454
455
455
456
449
443
436
432
427
423
418

Tuesday 3

Full Moon 99%

18:13

06:32

03 OK
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 OK
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: 06:28, Set: 17:44, Transit: 12:06. Moon - Rise: 18:13, Set: 06:32. Civil Dark: 18:14 - 05:58. Nautical Dark: 18:49 - 05:23. Astro Dark: 19:25 - 04:48

Total Clouds (% Sky Obscured)

11
13
15
21
31
37
43
44
45
41
61
81
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
2
2
3
3
7
11
16
28
37
50
60
71
81
84
88
91

Medium Clouds (% Sky Obscured)

5
10
15
21
31
23
0
3
4
5
33
60
87
91
96
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
3
6
11
20
29
37
38
39
28
30
26
33
49
73
100
100
100
100
70
41
11

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
4
3
1
1
0

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
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
11
47
63
73
88
93
89

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-25
-25
-25
-25
-24
-20
-17
-13
-11
-10
-9
-9
-9
-9
-9
-10
-11
-11
-11
-10
-10
-10

Feels Like (°C)

-27
-27
-27
-28
-28
-25
-24
-23
-21
-20
-18
-12
-12
-12
-12
-11
-12
-17
-16
-16
-17
-16

Dew Point (°C)

-27
-28
-28
-28
-28
-23
-20
-16
-15
-14
-12
-12
-11
-11
-11
-12
-13
-13
-12
-11
-11
-11

Relative Humidity (%)

74
72
72
72
73
73
75
75
75
77
78
78
80
82
83
85
86
88
90
90
90
90

Pressure (mb)

1039
1039
1038
1038
1038
1037
1036
1035
1034
1032
1031
1030
1029
1027
1026
1025
1024
1023
1021
1020
1019
1017

Ozone (du)

412
407
405
402
400
398
396
394
391
388
386
384
382
380
382
383
385
391
397
403
406
408

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

Generated: 25/02/26 03:36:44. Forecast: 25/02/26 to 03/03/26. Timezone: UTC-5.00