Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 8

Waning Gibbous 58%

02:34

10:16

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:05, Set: 19:24, Transit: 12:46. Moon - Rise: 02:34, Set: 10:16. Civil Dark: 19:56 - 05:34. Nautical Dark: 20:34 - 04:55. Astro Dark: 21:15 - 04:14

Total Clouds (% Sky Obscured)

20
30
33
56
55
86
91
90
62
73
51
53
82
83
76
67
75
74
90
93
94
89
91
68

Low Clouds (% Sky Obscured)

20
30
33
40
35
35
45
50
46
18
13
5
8
17
23
19
3
19
44
60
58
53
56
46

Medium Clouds (% Sky Obscured)

6
2
21
18
29
48
48
56
25
53
33
46
69
60
46
42
66
38
69
92
80
33
38
16

High Clouds (% Sky Obscured)

20
30
33
29
0
0
43
42
3
4
2
6
46
50
3
2
0
38
65
65
65
50
27
11

ISS Passover

Visibility (miles)

3
2
0
0
0
1
1
1
2
9
9
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
27
27
27
22
19
13
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
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)

8
10
12
12
13
12
11
10
8
6
4
2
3
2
2
3
2
3
3
3
3
4
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
90
87
87
87
87
91
92
89
90
87
87
87
87
85
85
85
85
87
84
82
84
91

Pressure (mb)

1035
1034
1034
1033
1032
1032
1032
1032
1033
1034
1035
1035
1036
1036
1036
1035
1035
1035
1034
1034
1033
1032
1031
1030

Ozone (du)

407
402
400
395
391
387
385
384
384
383
382
379
375
372
374
377
376
372
366
364
364
363
363
363

Thursday 9

Waning Gibbous 48%

03:10

No Set

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:03, Set: 19:26, Transit: 12:45. Moon - Rise: 03:10, Set: No Set. Civil Dark: 19:57 - 05:32. Nautical Dark: 20:36 - 04:53. Astro Dark: 21:17 - 04:12

Total Clouds (% Sky Obscured)

42
51
41
51
49
54
92
96
100
100
100
99
100
100
100
100
100
100
100
100
89
100
100
100

Low Clouds (% Sky Obscured)

23
46
41
35
30
27
2
50
78
100
98
84
85
77
79
83
84
87
93
93
80
85
37
14

Medium Clouds (% Sky Obscured)

5
13
15
41
19
25
25
93
100
100
89
82
30
29
0
0
0
0
0
0
2
68
59
100

High Clouds (% Sky Obscured)

17
13
4
6
4
6
86
94
100
39
5
4
9
8
5
49
4
41
29
11
8
51
100
100

ISS Passover

Visibility (miles)

8
0
0
0
0
0
8
8
8
6
1
1
1
1
5
0
0
0
8
1
8
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
Light Rain
Light Rain
Snow
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
0
0
1
0
9
54
95
95
76
63
34
37
22
12
15
3
3
1
0
2
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
1.3
1.3
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-0
3
4
4
5
6
6
6
5
5
3
2
2
2
2
2
2
2
2
2
1
2
2
3

Feels Like (°C)

-4
-0
1
1
2
2
2
1
0
-1
-1
-3
-2
-3
-3
-2
-2
-3
-3
-3
-2
-1
-1
-0

Dew Point (°C)

-1
3
4
4
5
6
5
3
2
1
3
2
2
2
2
2
2
2
2
1
1
1
1
1

Relative Humidity (%)

94
100
100
98
100
98
91
82
76
79
98
98
100
100
98
98
98
100
98
98
96
94
93
88

Pressure (mb)

1029
1028
1026
1025
1024
1023
1021
1021
1021
1021
1022
1022
1021
1021
1021
1020
1020
1021
1020
1021
1021
1021
1021
1021

Ozone (du)

358
360
363
368
365
359
358
358
362
367
368
370
370
369
369
366
364
362
361
359
363
364
363
360

Friday 10

Third Quarter 38%

03:39

11:23

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

Sun - Rise: 06:01, Set: 19:27, Transit: 12:45. Moon - Rise: 03:39, Set: 11:23. Civil Dark: 19:59 - 05:30. Nautical Dark: 20:37 - 04:51. Astro Dark: 21:19 - 04:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
92
47
42
28
60
94
92
93
95
18
17
51
24
81
94
93

Low Clouds (% Sky Obscured)

18
53
89
92
86
91
94
93
91
47
42
28
15
15
44
14
13
3
17
51
24
76
78
84

Medium Clouds (% Sky Obscured)

96
100
100
100
99
94
100
83
62
47
36
28
38
20
15
38
48
18
0
0
1
0
3
2

High Clouds (% Sky Obscured)

100
100
100
100
54
45
0
0
0
0
0
0
3
20
75
93
95
5
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
4
2
2
1
0
0
0
0
8
9
9
9
9
9
9
9
9
9
7
9
9
8
5

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

Precipitation Probability (%)

3
19
21
39
79
81
58
34
16
9
4
2
2
3
4
4
4
4
5
4
4
6
9
16

Precipitation Amount (mm)

0
0
0
0.1
0.6
0.7
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
7
7
7
5
4
4
2
2
3
4
4
5
4
4
5
4
3
4
5
8
10
10

Chance of Frost

Temperature (°C)

3
3
3
4
3
1
1
1
0
-1
-2
-3
-3
-4
-5
-5
-5
-5
-6
-6
-6
-5
-4
-3

Feels Like (°C)

1
0
-0
0
0
-1
-1
-2
-2
-4
-4
-4
-5
-6
-8
-8
-9
-9
-8
-8
-9
-8
-9
-8

Dew Point (°C)

2
2
2
2
2
1
1
1
-0
-1
-2
-3
-4
-4
-5
-6
-6
-6
-7
-7
-7
-7
-7
-7

Relative Humidity (%)

88
88
88
89
94
100
100
100
98
98
98
96
96
96
94
94
94
92
92
94
90
84
76
75

Pressure (mb)

1021
1020
1020
1020
1019
1019
1019
1019
1019
1020
1020
1020
1019
1019
1020
1020
1020
1020
1020
1021
1021
1022
1022
1022

Ozone (du)

362
359
359
352
347
348
354
354
354
353
349
353
357
362
372
378
376
374
382
390
395
395
394
394

Saturday 11

Waning Crescent 28%

04:02

12:34

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

Sun - Rise: 05:59, Set: 19:28, Transit: 12:45. Moon - Rise: 04:02, Set: 12:34. Civil Dark: 20:00 - 05:28. Nautical Dark: 20:39 - 04:49. Astro Dark: 21:21 - 04:07

Total Clouds (% Sky Obscured)

93
83
80
61
44
25
3
3
4
7
5
6
6
7
7
9
11
11
9
11
11
44
45
50

Low Clouds (% Sky Obscured)

84
81
78
61
44
24
3
2
3
5
3
3
3
3
3
2
2
2
3
2
2
2
2
2

Medium Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
3
3
3
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
3
1
3
1
2
2
25
25
30

ISS Passover

Visibility (miles)

5
5
6
6
9
9
9
9
9
9
9
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 (%)

19
10
15
3
1
1
1
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)

11
11
12
12
12
12
11
10
8
6
5
4
4
4
4
4
3
3
3
3
2
1
2
3

Chance of Frost

Temperature (°C)

-3
-2
-1
-0
0
1
1
-0
-2
-3
-4
-5
-5
-5
-6
-6
-6
-7
-7
-7
-6
-4
-2
-1

Feels Like (°C)

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

Dew Point (°C)

-6
-6
-5
-4
-4
-4
-4
-5
-5
-6
-6
-6
-7
-7
-7
-7
-8
-8
-8
-8
-7
-7
-6
-5

Relative Humidity (%)

75
75
77
75
71
69
71
72
77
82
87
87
87
87
89
90
90
92
94
92
89
79
76
72

Pressure (mb)

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

Ozone (du)

398
402
405
405
412
416
415
411
409
409
408
407
408
409
412
415
420
422
422
423
420
413
407
403

Sunday 12

Waning Crescent 19%

04:22

13:48

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:58, Set: 19:30, Transit: 12:45. Moon - Rise: 04:22, Set: 13:48. Civil Dark: 20:02 - 05:26. Nautical Dark: 20:41 - 04:47. Astro Dark: 21:22 - 04:04

Total Clouds (% Sky Obscured)

54
54
54
62
82
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
54
54
54
60
29
41
59
56
55
65
75
83
92
98
100
100
100
100
100
100
99
99
98

Medium Clouds (% Sky Obscured)

0
0
54
11
78
60
56
49
80
78
79
82
90
94
100
100
100
100
100
100
100
90
84
80

High Clouds (% Sky Obscured)

40
40
45
59
51
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99

ISS Passover

Visibility (miles)

9
9
9
8
8
8
8
8
9
9
1
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
Very Light Rain
Snow
Snow
Frozen rai
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
62
75
88
78
87
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.5
0.8
0.5
0.6
1.2
1.3
1.3
1.3
1.2
1.3
1.5
1.5
1.4
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-2
-2
-1
-1
-1
-1
-2
-3
-3
-4
-4
-4
-4
-3
-3
-3
-3
-3
-2
-3
-2
1
1

Dew Point (°C)

-4
-3
-2
-2
-2
-2
-1
-2
-2
-2
-1
-0
-0
0
1
1
1
1
2
2
3
3
4
4

Relative Humidity (%)

71
71
72
69
67
67
72
73
78
81
92
98
98
98
98
100
100
98
100
100
100
100
100
100

Pressure (mb)

1031
1030
1029
1028
1027
1026
1026
1025
1025
1025
1024
1023
1022
1020
1019
1017
1018
1017
1015
1014
1013
1011
1010
1009

Ozone (du)

399
395
390
385
380
376
376
371
365
361
354
354
351
349
346
344
342
340
338
337
337
336
336
337

Monday 13

Waning Crescent 11%

04:39

15:02

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:56, Set: 19:31, Transit: 12:44. Moon - Rise: 04:39, Set: 15:02. Civil Dark: 20:03 - 05:24. Nautical Dark: 20:42 - 04:44. Astro Dark: 21:24 - 04:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
97
89
81
68
77
87
100

Low Clouds (% Sky Obscured)

98
98
99
98
98
97
96
98
100
100
100
100
100
100
99
99
98
97
89
81
68
76
85
81

Medium Clouds (% Sky Obscured)

84
88
90
92
90
79
70
65
60
56
55
53
44
27
11
10
9
8
7
6
7
11
15
19

High Clouds (% Sky Obscured)

70
38
6
37
69
100
98
95
84
36
23
12
18
31
47
47
47
38
30
31
34
55
76
96

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
1
2
3
4
4
5
6
8
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
93
89
92
79
52
46
34
14
13
10
0
0
0
0

Precipitation Amount (mm)

1.1
0.8
0.8
0.9
1.2
1.7
1.7
1.2
0.8
1
0.6
0.6
0.6
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
5
5
4
5
5
5
6
6
5
5
6
6
-3
-3
-2
-3
-4
-5
-4
-4

Dew Point (°C)

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

Relative Humidity (%)

100
100
98
98
98
98
98
98
98
100
98
96
94
93
93
93
89
86
84
74
65
57
54
50

Pressure (mb)

1008
1007
1006
1005
1004
1003
1002
1003
1003
1003
1004
1004
1005
1006
1007
1008
1009
1010
1010
1011
1012
1013
1012
1012

Ozone (du)

337
338
339
340
339
338
337
335
332
329
332
336
339
341
342
344
344
344
344
343
341
339
339
339

Tuesday 14

Waning Crescent 10%

04:56

16:18

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:54, Set: 19:33, Transit: 12:44. Moon - Rise: 04:56, Set: 16:18. Civil Dark: 20:05 - 05:22. Nautical Dark: 20:44 - 04:42. Astro Dark: 21:26 - 03:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
96
91
92
94
97

Low Clouds (% Sky Obscured)

74
67
69
75
87
100
100
99
99
99
99
100
99
98
98
94
91
87
89
91
92

Medium Clouds (% Sky Obscured)

45
68
90
93
97
100
77
55
34
26
16
6
21
35
50
53
60
66
76
83
94

High Clouds (% Sky Obscured)

94
95
97
98
99
100
87
71
57
42
27
12
30
56
97
72
43
15
11
6
2

ISS Passover

Visibility (miles)

9
6
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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

Precipitation Type

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

Precipitation Probability (%)

12
23
34
53
68
79
84
95
95
70
45
34
32
33
49
43
34
27
33
38
45

Precipitation Amount (mm)

0
0
0
0.2
0.3
0.4
0.4
0.8
0.9
0.4
0.1
0
0
0
0.2
0.2
0.1
0
0
0
0.1

Wind Speed/Direction (mph)

5
5
5
5
5
4
4
4
4
4
4
5
5
5
5
6
5
5
4
4
4

Chance of Frost

Temperature (°C)

3
3
2
2
2
2
2
1
1
0
-1
-2
-2
-3
-3
-3
-3
-2
-2
-1
-1

Feels Like (°C)

-4
-3
-3
-3
-2
-1
-1
-1
-2
-2
-4
-4
-4
-4
-4
-5
-6
-5
-5
-4
-4

Dew Point (°C)

-7
-6
-5
-4
-3
-1
1
0
-1
-0
-2
-3
-3
-3
-3
-3
-4
-3
-3
-2
-3

Relative Humidity (%)

46
52
57
64
72
80
89
91
92
96
94
94
94
94
94
94
94
92
92
92
91

Pressure (mb)

1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1014

Ozone (du)

339
343
346
349
354
359
365
363
362
361
359
358
357
355
354
352
351
350
349
349
349

Forecast for Sainte-Brigitte-de-Laval, Capitale-Nationale, Canada (47.33,-71.14)

Generated: 08/04/26 10:32:54. Forecast: 08/04/26 to 14/04/26. Timezone: UTC-4.00