Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 28

Waxing Gibbous 94%

14:22

05:24

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
03 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
100
100
99
100
80
80
93
72
72
50
69
63
100
100
100
100
100
99
100
100

Low Clouds (% Sky Obscured)

66
72
88
98
99
100
95
100
33
43
90
72
72
50
69
24
41
57
66
47
43
51
77
77

Medium Clouds (% Sky Obscured)

100
100
100
100
100
96
92
100
77
36
0
0
0
0
4
61
100
100
100
100
100
97
99
100

High Clouds (% Sky Obscured)

100
100
64
70
100
100
95
90
64
64
60
60
34
50
32
63
60
55
60
65
70
0
0
0

ISS Passover

Visibility (miles)

0
5
0
0
0
0
0
0
9
9
5
3
3
9
9
9
9
8
6
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
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
63
95
95
93
69
71
40
24
20
22
21
2
0
0
0
0
0
0
0
2
0
3
1

Precipitation Amount (mm)

0
0
1.5
0.7
0.6
0.3
0.4
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
11
14
13
15
14
14
14
14
13
13
12
12
12
11
10
8
7
9
8
8
7
6
6

Chance of Frost

Temperature (°C)

-3
-1
-1
-1
-2
-2
-1
0
1
-0
-1
-3
-5
-6
-8
-9
-10
-11
-13
-13
-14
-14
-15
-16

Feels Like (°C)

-8
-7
-7
-7
-9
-7
-7
-6
-5
-6
-7
-9
-11
-12
-13
-15
-16
-16
-18
-18
-19
-19
-19
-20

Dew Point (°C)

-4
-3
-1
-1
-3
-2
-1
-0
-2
-2
-3
-5
-7
-8
-10
-12
-13
-13
-15
-15
-17
-17
-17
-18

Relative Humidity (%)

96
91
94
98
96
98
96
98
84
87
86
89
85
84
82
81
81
85
83
81
78
79
81
81

Pressure (mb)

1008
1007
1006
1006
1006
1006
1006
1006
1007
1009
1010
1012
1014
1016
1018
1020
1021
1022
1023
1023
1024
1024
1024
1025

Ozone (du)

408
416
425
429
426
420
415
412
410
404
401
404
408
406
406
410
413
416
417
415
416
416
413
413

Sunday 1

Waxing Gibbous 98%

15:42

05:52

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 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 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)

100
79
79
78
71
74
71
71
68
70
58
43
52
30
25
2
3
8
31
29
52
18
16
53

Low Clouds (% Sky Obscured)

78
79
67
57
61
74
71
71
68
70
58
39
49
30
25
2
2
5
26
29
38
10
10
26

Medium Clouds (% Sky Obscured)

100
40
50
50
13
5
2
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)

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

Fog (%)

0
0
0
0
0
2
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 (%)

4
1
4
4
4
1
3
0
0
0
0
0
4
2
9
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)

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

Chance of Frost

Temperature (°C)

-16
-17
-17
-18
-18
-18
-18
-17
-17
-16
-16
-16
-16
-17
-18
-18
-20
-21
-21
-22
-22
-23
-23
-23

Feels Like (°C)

-21
-22
-22
-23
-23
-23
-23
-23
-23
-22
-22
-22
-22
-22
-23
-23
-23
-24
-24
-26
-27
-27
-26
-26

Dew Point (°C)

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

Relative Humidity (%)

80
79
78
78
75
73
70
67
67
66
66
66
69
73
74
75
75
73
75
75
75
74
73
74

Pressure (mb)

1025
1026
1027
1028
1029
1029
1029
1029
1029
1029
1029
1029
1030
1031
1032
1033
1034
1034
1035
1036
1036
1037
1038
1038

Ozone (du)

414
416
421
431
438
451
472
487
487
477
476
475
475
474
474
473
468
462
458
457
457
458
458
461

Monday 2

Waxing Gibbous 100%

16:59

06:14

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
03 Bad

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)

49
48
50
50
42
55
55
59
84
86
72
70
75
94
33
37
49
74
73
97
91
86
79
64

Low Clouds (% Sky Obscured)

31
34
35
30
25
30
20
32
68
66
20
10
10
23
1
1
7
26
26
35
30
31
45
38

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
21
68
33
37
49
62
62
84
76
56
31
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
2
21
40
50
55
57
63

ISS Passover

Visibility (miles)

3
3
2
2
3
5
6
6
5
5
5
4
3
9
9
9
8
6
5
2
2
3
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
13
8
5
4
17
4
13
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)

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

Chance of Frost

Temperature (°C)

-23
-23
-24
-24
-22
-21
-18
-17
-16
-15
-14
-13
-13
-13
-14
-15
-15
-15
-15
-14
-13
-13
-12
-13

Feels Like (°C)

-27
-27
-28
-28
-26
-25
-24
-22
-21
-21
-19
-19
-18
-18
-18
-17
-18
-18
-19
-18
-18
-18
-18
-18

Dew Point (°C)

-26
-26
-27
-27
-24
-24
-22
-21
-20
-19
-19
-17
-16
-16
-17
-17
-17
-17
-17
-16
-15
-15
-14
-15

Relative Humidity (%)

73
74
74
74
79
74
71
70
69
68
67
71
76
78
79
84
81
81
82
84
84
86
84
79

Pressure (mb)

1038
1038
1039
1039
1039
1039
1038
1038
1037
1037
1036
1036
1036
1036
1036
1037
1036
1037
1036
1035
1035
1034
1033
1033

Ozone (du)

467
475
479
481
483
483
486
487
485
487
488
485
483
469
452
442
433
427
421
418
417
415
413
409

Tuesday 3

Full Moon 99%

18:13

06:32

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
03 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)

71
84
100
99
98
98
98
99
100
100
100
100
99
99
98
99
99
100
100
100
100
96
92
88

Low Clouds (% Sky Obscured)

64
72
31
26
19
11
15
14
12
13
32
86
90
87
84
88
91
94
97
96
96
73
83
77

Medium Clouds (% Sky Obscured)

41
74
100
98
95
93
94
98
100
100
100
100
98
96
94
94
96
97
98
99
100
95
91
80

High Clouds (% Sky Obscured)

62
81
100
92
85
79
89
94
100
100
100
100
68
37
5
28
56
77
86
93
100
68
43
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
3
3
1
1
1
2
2
3
4
4
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
0
0
0
0
0
0
0
0
0
0
5
4
14
4
4
19
9
21
11
5
5
6
1

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

Chance of Frost

Temperature (°C)

-13
-12
-12
-12
-10
-9
-7
-5
-4
-3
-3
-3
-3
-3
-4
-5
-5
-6
-6
-6
-7
-7
-8
-9

Feels Like (°C)

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

Dew Point (°C)

-16
-16
-16
-16
-14
-12
-10
-8
-7
-5
-5
-4
-4
-4
-5
-6
-6
-7
-7
-7
-7
-7
-9
-10

Relative Humidity (%)

79
73
72
73
75
77
79
81
79
81
86
89
91
92
94
96
96
96
96
98
96
98
96
94

Pressure (mb)

1032
1032
1031
1031
1031
1030
1029
1028
1027
1027
1026
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023

Ozone (du)

406
403
400
398
397
393
387
385
380
376
373
374
374
375
376
376
374
373
375
376
381
385
390
396

Wednesday 4

Waning Gibbous 97%

19:25

06:49

04 Bad
05 Bad
06 Bad
07 Bad
08 OK
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

Sun - Rise: 06:27, Set: 17:46, Transit: 12:06. Moon - Rise: 19:25, Set: 06:49. Civil Dark: 18:16 - 05:56. Nautical Dark: 18:51 - 05:22. Astro Dark: 19:26 - 04:46

Total Clouds (% Sky Obscured)

84
77
68
62
35
18
45
76
86
93
96
97
98
99
100
100
100
100
100
100
100
98
94
88

Low Clouds (% Sky Obscured)

74
72
67
61
33
18
37
54
63
68
73
66
86
85
89
86
79
71
79
87
95
92
88
85

Medium Clouds (% Sky Obscured)

62
39
2
1
1
0
0
0
0
0
0
0
0
0
0
28
58
87
72
65
63
59
56
50

High Clouds (% Sky Obscured)

10
0
0
0
0
0
3
10
21
48
68
80
86
93
100
100
100
100
82
60
40
25
18
6

ISS Passover

Visibility (miles)

3
3
3
3
9
9
9
9
8
9
5
2
1
5
6
2
2
1
1
1
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
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
2
2
10
1
3
1
2
1
2
0
3
3
1
8
11
11

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)

2
2
2
2
2
2
4
5
6
6
6
7
7
7
7
6
6
6
6
6
7
7
6
5

Chance of Frost

Temperature (°C)

-9
-10
-11
-11
-6
-4
-3
-2
0
1
1
1
2
1
0
-1
-2
-3
-3
-4
-4
-5
-5
-6

Feels Like (°C)

-13
-14
-14
-14
-9
-5
-4
-4
-3
-2
-2
-2
-2
-3
-4
-5
-5
-5
-5
-6
-8
-9
-9
-10

Dew Point (°C)

-10
-11
-12
-12
-7
-5
-4
-2
-0
1
1
1
1
-0
-1
-2
-2
-3
-4
-4
-5
-5
-5
-6

Relative Humidity (%)

94
94
92
92
94
92
91
94
98
96
100
98
98
94
94
96
96
98
98
98
98
98
100
100

Pressure (mb)

1023
1023
1023
1023
1023
1023
1024
1023
1023
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024

Ozone (du)

402
405
406
394
387
386
387
385
386
384
383
381
381
378
377
379
378
376
375
374
373
372
371
369

Thursday 5

Waning Gibbous 92%

20:35

07:05

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
03 Bad

Sun - Rise: 06:25, Set: 17:47, Transit: 12:06. Moon - Rise: 20:35, Set: 07:05. Civil Dark: 18:17 - 05:55. Nautical Dark: 18:52 - 05:20. Astro Dark: 19:28 - 04:44

Total Clouds (% Sky Obscured)

67
42
15
24
35
48
40
32
25
50
75
100
98
96
97
85
82
86
76
56
35
52
68
85

Low Clouds (% Sky Obscured)

67
42
10
2
4
6
4
2
0
0
0
0
0
0
0
0
0
44
41
21
5
19
44
81

Medium Clouds (% Sky Obscured)

48
42
15
24
30
39
31
24
16
43
69
90
85
80
52
23
12
6
5
5
4
3
1
5

High Clouds (% Sky Obscured)

6
5
0
3
5
8
10
15
25
49
54
47
48
48
48
34
20
7
15
20
24
44
63
83

ISS Passover

Visibility (miles)

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

21
26
27
25
19
4
8
8
11
13
13
12
13
13
11
11
10
6
3
0
0
5
11
17

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

Chance of Frost

Temperature (°C)

-7
-9
-10
-11
-11
-10
-10
-7
-6
-5
-5
-5
-4
-6
-7
-8
-9
-10
-11
-12
-13
-14
-14
-15

Feels Like (°C)

-11
-12
-14
-14
-14
-14
-14
-12
-12
-12
-9
-8
-8
-8
-8
-7
-12
-12
-12
-12
-11
-12
-17
-18

Dew Point (°C)

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

Relative Humidity (%)

100
100
98
98
98
98
96
98
98
100
98
98
94
92
92
90
88
86
85
83
83
81
84
84

Pressure (mb)

1025
1026
1027
1027
1028
1029
1029
1029
1029
1029
1029
1029
1030
1031
1032
1033
1033
1034
1035
1035
1035
1036
1036
1036

Ozone (du)

367
367
368
368
363
359
355
353
352
350
349
348
347
347
348
349
348
348
348
347
346
345
342
340

Friday 6

Waning Gibbous 85%

21:45

07:21

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: 06:23, Set: 17:49, Transit: 12:06. Moon - Rise: 21:45, Set: 07:21. Civil Dark: 18:19 - 05:53. Nautical Dark: 18:54 - 05:18. Astro Dark: 19:29 - 04:42

Total Clouds (% Sky Obscured)

87
89
91
92
92
93
95
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

87
87
85
90
92
75
62
47
40
60
80
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

17
33
70
79
87
92
85
85
85
85
80
80
75
69
64
60
59
66
75
75
78

High Clouds (% Sky Obscured)

84
84
82
82
82
82
88
94
100
100
100
100
100
100
100
100
100
100
67
33
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
7
6
4
2
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

Precipitation Type

None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Frozen rai

Precipitation Probability (%)

34
42
48
48
52
55
53
48
43
50
62
78
82
79
68
67
74
88
95
95
95

Precipitation Amount (mm)

0
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.4
0.4
0.2
0.3
0.3
0.5
0.8
0.9
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-15
-15
-15
-14
-12
-11
-10
-9
-8
-7
-8
-8
-8
-7
-6
-5
-5
-5
-4
-3
-3

Feels Like (°C)

-17
-18
-19
-19
-17
-17
-17
-17
-17
-17
-13
-12
-12
-12
-12
-13
-10
-10
-9
-10
-10

Dew Point (°C)

-17
-17
-17
-16
-15
-14
-13
-12
-11
-9
-10
-9
-9
-8
-7
-6
-5
-6
-5
-4
-3

Relative Humidity (%)

84
84
82
83
79
78
77
78
82
85
85
88
90
92
92
94
94
92
94
94
96

Pressure (mb)

1036
1036
1035
1035
1034
1034
1033
1032
1031
1029
1028
1027
1026
1025
1024
1022
1021
1019
1018
1017
1016

Ozone (du)

337
335
334
333
331
330
329
326
324
321
317
312
308
307
307
306
304
301
299
298
297

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

Generated: 28/02/26 04:47:06. Forecast: 28/02/26 to 06/03/26. Timezone: UTC-5.00