Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 21

Waxing Crescent 10%

08:11

22:59

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

Sun - Rise: 06:52, Set: 19:09, Transit: 13:02. Moon - Rise: 08:11, Set: 22:59. Civil Dark: 19:40 - 06:22. Nautical Dark: 20:15 - 05:46. Astro Dark: 20:52 - 05:09

Total Clouds (% Sky Obscured)

82
72
55
46
94
100
100
100
100
100
100
97
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

67
53
26
23
14
1
3
2
27
30
25
30
30
30
54
78
85
92
96
97
95
93
93
93

Medium Clouds (% Sky Obscured)

0
0
0
13
35
100
99
100
100
100
100
97
94
93
96
100
100
100
100
100
100
100
97
94

High Clouds (% Sky Obscured)

0
0
2
46
94
100
100
100
100
100
60
5
100
38
100
100
100
100
93
65
70
1
0
0

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
2
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
None
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
7
20
38
61
77
71
68
57
50

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
8
8
7
6
3
3
3
4
3
2
3
2
2
4
5
6
7
8
8
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-7
-6
-7
-7
-7
-8
-10
-10
-10
-11
-11
-12
-12
-12
-13
-14
-14
-15
-15
-15
-15
-14
-13

Dew Point (°C)

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

Relative Humidity (%)

68
64
62
60
65
72
87
92
90
89
87
90
88
88
88
85
87
87
87
92
90
88
88
87

Pressure (mb)

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

Ozone (du)

405
402
400
399
401
400
399
400
396
389
394
394
386
386
386
385
379
364
356
357
357
355
358
356

Sunday 22

Waxing Crescent 18%

08:47

00:23

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:50, Set: 19:11, Transit: 13:01. Moon - Rise: 08:47, Set: 00:23. Civil Dark: 19:41 - 06:20. Nautical Dark: 20:17 - 05:44. Astro Dark: 20:53 - 05:07

Total Clouds (% Sky Obscured)

96
93
91
86
84
82
73
70
71
66
63
50
58
71
75
75
75
72
71
48
59
95
97
97

Low Clouds (% Sky Obscured)

88
86
84
79
76
76
68
70
71
65
48
46
55
70
72
72
74
72
70
48
59
92
91
93

Medium Clouds (% Sky Obscured)

88
85
79
54
19
11
8
2
0
0
10
0
0
0
0
0
0
0
0
0
0
7
26
48

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
27
0
0
0
0
0
0
0
0
0
0
0
2
2

ISS Passover

Visibility (miles)

1
1
1
3
1
2
6
1
0
3
9
9
7
2
1
2
2
3
5
9
9
9
7
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 (%)

38
31
25
21
21
14
5
13
19
2
0
0
0
0
0
0
0
2
0
0
0
0
14
19

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
82
84
82
87
89
89
92
92
87
85
87
88
90
90
92
90
90
90
88
83
80
75
73

Pressure (mb)

1012
1012
1012
1012
1013
1013
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1018
1018

Ozone (du)

356
357
356
356
356
361
364
366
365
365
366
364
362
363
363
363
364
367
373
377
379
384
388
392

Monday 23

Waxing Crescent 29%

09:35

01:43

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
07 OK
08 Good
09 Good
10 OK
11 OK
12 Bad

Sun - Rise: 06:48, Set: 19:12, Transit: 13:01. Moon - Rise: 09:35, Set: 01:43. Civil Dark: 19:42 - 06:18. Nautical Dark: 20:18 - 05:42. Astro Dark: 20:55 - 05:05

Total Clouds (% Sky Obscured)

96
96
96
95
100
99
100
100
98
95
80
63
50
73
60
61
59
46
30
7
4
35
34
71

Low Clouds (% Sky Obscured)

94
94
93
90
84
84
80
74
73
71
53
32
14
20
22
26
37
34
13
3
2
3
13
46

Medium Clouds (% Sky Obscured)

56
57
64
65
93
89
97
97
82
69
48
26
17
21
15
1
7
0
0
0
0
10
30
57

High Clouds (% Sky Obscured)

4
2
0
0
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
35
3
1

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

25
33
39
38
36
34
24
9
19
4
10
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.1
0.1
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
7
7
6
4
4
5
6
6
6
5
4
4
5
4
4
4
4
4
4
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
70
70
69
75
85
89
89
90
92
90
90
92
92
90
90
90
88
83
77
74
71
69

Pressure (mb)

1017
1017
1017
1018
1018
1019
1019
1020
1021
1022
1022
1023
1023
1024
1024
1025
1026
1026
1026
1027
1026
1026
1025
1024

Ozone (du)

396
402
405
408
410
412
411
411
413
414
412
413
415
417
411
409
415
416
418
415
413
412
412
412

Tuesday 24

Waxing Crescent 40%

10:36

02:52

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

Sun - Rise: 06:46, Set: 19:14, Transit: 13:01. Moon - Rise: 10:36, Set: 02:52. Civil Dark: 19:44 - 06:16. Nautical Dark: 20:20 - 05:40. Astro Dark: 20:57 - 05:03

Total Clouds (% Sky Obscured)

100
81
63
45
58
73
86
91
97
100
99
98
97
93
98
91
34
28
57
58
80
73
60
61

Low Clouds (% Sky Obscured)

49
41
40
15
10
73
85
85
86
91
88
86
89
86
96
91
18
9
9
3
2
1
1
1

Medium Clouds (% Sky Obscured)

99
81
63
45
58
73
86
91
96
100
52
48
49
48
39
31
24
14
29
36
65
50
30
28

High Clouds (% Sky Obscured)

3
22
21
25
40
40
50
50
50
0
0
0
0
0
0
0
0
0
0
0
0
0
3
16

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
0
0
0
0
2
1
0
0
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

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

Precipitation Probability (%)

0
0
0
0
0
3
37
50
40
35
13
23
15
40
18
20
19
16
12
9
7
4
3
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-5
-3
-3
-3
-2
-3
-5
-6
-6
-7
-7
-7
-7
-7
-10
-12
-13
-14
-15
-16
-15
-14
-13
-12

Feels Like (°C)

-10
-8
-8
-8
-8
-9
-10
-11
-11
-12
-12
-12
-12
-12
-16
-18
-19
-20
-21
-22
-21
-20
-19
-16

Dew Point (°C)

-10
-8
-8
-8
-6
-6
-7
-7
-7
-8
-8
-8
-8
-8
-11
-14
-16
-17
-19
-20
-21
-20
-20
-18

Relative Humidity (%)

68
68
67
68
74
79
82
90
92
90
90
89
90
92
92
83
79
77
72
69
62
59
57
57

Pressure (mb)

1023
1022
1022
1021
1020
1021
1020
1020
1020
1019
1019
1019
1018
1018
1019
1020
1021
1022
1024
1025
1025
1026
1027
1026

Ozone (du)

415
426
439
450
461
464
466
471
475
486
494
501
502
505
507
506
503
502
503
503
499
490
484
480

Wednesday 25

First Quarter 52%

11:49

03:46

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:44, Set: 19:15, Transit: 13:00. Moon - Rise: 11:49, Set: 03:46. Civil Dark: 19:45 - 06:14. Nautical Dark: 20:21 - 05:38. Astro Dark: 20:58 - 05:00

Total Clouds (% Sky Obscured)

61
53
54
63
58
61
97
97
98
97
97
99
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
2
3
3
2
2
7
40
59
70
81
84
92
25
20
25
22
44
66
76
86
96
97
99

Medium Clouds (% Sky Obscured)

20
20
30
35
42
54
92
91
88
85
84
83
81
81
88
97
98
99
100
98
99
99
99
100

High Clouds (% Sky Obscured)

31
44
54
51
12
18
60
60
65
65
65
65
65
60
70
75
60
55
35
47
67
98
99
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
2
0
0
0
0
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
20
38
57
71
83
88
89
90
90
85
74
79
86

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-17
-16
-15
-15
-14
-14
-13
-13
-13
-13
-13
-14
-13
-12
-14
-13
-13
-13
-12
-11
-10
-10
-9
-7

Relative Humidity (%)

57
57
59
60
61
64
81
86
85
83
81
81
83
86
88
88
90
90
90
90
90
90
92
94

Pressure (mb)

1026
1026
1025
1025
1025
1025
1026
1026
1026
1025
1025
1024
1023
1022
1023
1022
1021
1020
1018
1017
1016
1014
1013
1011

Ozone (du)

478
467
455
448
443
439
432
427
424
422
419
415
415
415
412
410
408
403
399
394
388
381
375
372

Thursday 26

Waxing Gibbous 64%

No Rise

04:26

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:42, Set: 19:16, Transit: 13:00. Moon - Rise: No Rise, Set: 04:26. Civil Dark: 19:47 - 06:12. Nautical Dark: 20:23 - 05:36. Astro Dark: 21:00 - 04:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
95
93
97
99
99
99
100
100
100
100
100
93
87
80
64
49

Low Clouds (% Sky Obscured)

100
97
94
92
94
97
100
91
82
81
94
95
96
95
93
92
86
79
76
68
69
65
59
49

Medium Clouds (% Sky Obscured)

100
100
100
100
84
76
72
71
68
60
42
21
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
91
86
74
49
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
2
1
1
0
0
0
0
3
5
8
5
3
1
2
3
5
5
5
5
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

Frozen rai
Frozen rai
Frozen rai
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

94
95
95
95
95
95
95
95
79
46
41
26
7
7
10
11
10
10
8
7
9
1
4
4

Precipitation Amount (mm)

0.6
0.7
0.8
0.9
0.8
0.8
0.8
0.7
0.4
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-5
-4
-2
-2
-2
-2
-2
-2
-3
-4
-5
-6
-7
-8
-10
-11
-12
-12
-13
-14
-13
-13
-12
-11

Feels Like (°C)

-15
-16
-7
-7
-8
-8
-7
-7
-6
-7
-7
-7
-6
-5
-15
-15
-16
-16
-16
-17
-20
-20
-20
-20

Dew Point (°C)

-6
-4
-3
-2
-2
-2
-2
-2
-4
-5
-6
-8
-9
-10
-12
-13
-14
-15
-16
-16
-17
-17
-17
-16

Relative Humidity (%)

96
98
98
100
100
100
98
100
94
92
87
87
87
87
85
83
81
83
81
81
76
71
67
67

Pressure (mb)

1009
1007
1005
1004
1002
1002
1001
1001
1001
1002
1002
1003
1004
1006
1007
1009
1011
1013
1014
1016
1017
1019
1020
1020

Ozone (du)

370
367
369
371
373
372
371
370
374
379
383
381
378
375
380
385
390
390
390
390
387
385
382
381

Friday 27

Waxing Gibbous 74%

13:08

04:56

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:40, Set: 19:18, Transit: 12:59. Moon - Rise: 13:08, Set: 04:56. Civil Dark: 19:48 - 06:10. Nautical Dark: 20:24 - 05:33. Astro Dark: 21:02 - 04:56

Total Clouds (% Sky Obscured)

33
55
78
100
100
99
97
88
79
67
63
54
47
50
61
86
88
91
99

Low Clouds (% Sky Obscured)

33
54
66
74
77
77
78
69
56
44
39
35
28
36
54
81
85
91
95

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
14
28
42
61
80
98

High Clouds (% Sky Obscured)

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
8
8
8
9
9
7
5
3
3
3
3
5
7
9
9
8

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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
4
7
9
10
10
9
6
0
0
0
0
0
1
1
11
17
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
12
12
11
10
8
7
5
4
3
2
2
2
3
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-20
-20
-16
-16
-16
-16
-15
-16
-20
-20
-19
-19
-20
-20
-22
-22
-21
-21
-22

Dew Point (°C)

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

Relative Humidity (%)

66
65
65
66
66
72
76
81
82
84
87
85
85
84
83
83
83
83
81

Pressure (mb)

1020
1021
1021
1022
1022
1023
1024
1025
1026
1027
1028
1028
1028
1028
1027
1027
1027
1027
1027

Ozone (du)

381
381
385
389
393
397
401
405
405
404
404
405
406
407
420
433
446
468
489

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

Generated: 21/03/26 13:29:32. Forecast: 21/03/26 to 27/03/26. Timezone: UTC-4.00