Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 100%

No Rise

05:08

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

Sun - Rise: 05:37, Set: 19:59, Transit: 12:49. Moon - Rise: No Rise, Set: 05:08. Civil Dark: 20:33 - 05:04. Nautical Dark: 21:14 - 04:22. Astro Dark: 22:01 - 03:35

Total Clouds (% Sky Obscured)

100
97
98
91
96
96
84
55
42
32
28
31
30
42
56
71
69
45
84
100
93
93
76
72

Low Clouds (% Sky Obscured)

82
66
65
66
85
80
57
33
32
27
24
26
30
42
54
71
69
42
26
30
15
15
15
9

Medium Clouds (% Sky Obscured)

23
33
34
33
34
33
37
37
20
9
8
10
0
0
0
0
0
0
38
50
50
50
33
32

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)

9
9
9
9
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 (%)

4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
13

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

Chance of Frost

Temperature (°C)

8
7
6
6
5
5
4
3
3
2
2
2
3
4
6
7
9
10
11
12
12
12
12
11

Feels Like (°C)

6
5
3
3
1
2
1
0
1
0
0
1
2
3
4
5
5
6
7
7
8
7
8
8

Dew Point (°C)

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

Relative Humidity (%)

79
79
78
79
79
80
82
86
86
88
89
83
75
67
59
51
45
40
37
36
36
38
47
54

Pressure (mb)

1008
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1012
1012
1012
1012
1012
1011
1011
1010
1010
1010
1010
1010
1011

Ozone (du)

389
391
391
393
395
395
395
395
395
396
399
402
404
405
407
408
407
407
406
408
407
404
400
398

Friday 1

Full Moon 100%

20:29

05:32

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

Sun - Rise: 05:36, Set: 20:01, Transit: 12:49. Moon - Rise: 20:29, Set: 05:32. Civil Dark: 20:34 - 05:02. Nautical Dark: 21:16 - 04:20. Astro Dark: 22:03 - 03:33

Total Clouds (% Sky Obscured)

7
9
45
45
51
87
86
100
100
100
100
100
100
92
95
94
80
66
57
56
44
50
56
68

Low Clouds (% Sky Obscured)

3
3
30
27
1
2
1
1
1
11
46
59
64
78
85
85
72
66
57
45
40
31
17
48

Medium Clouds (% Sky Obscured)

0
4
3
2
48
83
83
100
100
100
98
95
87
83
75
69
61
65
57
53
28
0
36
23

High Clouds (% Sky Obscured)

0
0
3
4
6
19
4
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
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 (%)

0
0
0
0
0
0
0
0
0
2
6
19
42
46
44
39
32
33
25
13
11
21
23
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
5
2
1
1
-1
-1
-1
-1
-1
0
1
2
3
4
5
6
6
7
8
8
6
7

Dew Point (°C)

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

Relative Humidity (%)

57
61
66
71
73
76
76
76
74
74
74
69
63
64
60
56
55
53
50
47
47
46
48
62

Pressure (mb)

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

Ozone (du)

405
409
408
410
414
414
414
411
408
408
408
409
408
409
412
413
413
406
403
404
405
405
400
399

Saturday 2

Waning Gibbous 98%

21:37

06:02

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

Sun - Rise: 05:34, Set: 20:02, Transit: 12:49. Moon - Rise: 21:37, Set: 06:02. Civil Dark: 20:35 - 05:01. Nautical Dark: 21:17 - 04:19. Astro Dark: 22:05 - 03:31

Total Clouds (% Sky Obscured)

49
42
59
57
72
78
57
53
40
15
32
21
0
17
49
84
89
100
100
100
100
97
89
44

Low Clouds (% Sky Obscured)

41
37
38
10
19
21
6
4
2
2
24
19
0
16
24
40
58
50
47
48
45
48
42
11

Medium Clouds (% Sky Obscured)

42
31
50
56
56
53
46
38
26
8
7
0
0
0
24
40
39
70
80
85
85
72
56
44

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)

9
9
9
9
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 (%)

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

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

Chance of Frost

Temperature (°C)

8
7
6
5
5
4
4
3
3
3
2
3
5
7
8
10
10
11
11
12
12
12
11
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
72
74
75
78
79
82
86
88
89
89
82
74
65
56
46
38
37
39
39
38
38
46
53

Pressure (mb)

1011
1012
1012
1011
1011
1011
1011
1011
1011
1010
1011
1011
1011
1011
1011
1010
1009
1009
1008
1007
1007
1007
1007
1007

Ozone (du)

397
397
399
400
403
408
408
409
410
410
413
415
417
420
421
419
413
408
405
403
402
401
401
401

Sunday 3

Waning Gibbous 94%

22:42

06:39

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

Sun - Rise: 05:33, Set: 20:03, Transit: 12:49. Moon - Rise: 22:42, Set: 06:39. Civil Dark: 20:37 - 04:59. Nautical Dark: 21:19 - 04:17. Astro Dark: 22:07 - 03:28

Total Clouds (% Sky Obscured)

54
91
68
74
63
32
39
41
52
84
95
99
99
100
99
97
91
99
84
97
89
67
71
97

Low Clouds (% Sky Obscured)

11
36
12
23
25
2
7
10
14
59
75
83
89
95
97
93
76
98
39
83
70
36
28
44

Medium Clouds (% Sky Obscured)

50
47
48
37
26
19
22
25
30
59
41
85
75
50
55
65
75
81
84
82
76
60
47
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
13
25
37
53
71
81
60
38
6
30
56
91

ISS Passover

Visibility (miles)

9
9
9
9
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 (%)

1
0
0
1
0
0
0
0
0
1
5
7
13
21
26
22
29
31
16
15
12
10
5
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)

5
5
5
6
7
6
7
8
8
9
8
8
9
10
9
10
10
11
11
12
12
13
10
8

Chance of Frost

Temperature (°C)

8
7
7
6
6
5
4
4
3
3
4
5
6
7
8
9
10
12
11
13
13
14
14
13

Feels Like (°C)

7
6
4
3
2
1
1
0
-0
-1
-0
1
2
3
3
5
5
7
6
8
9
9
11
11

Dew Point (°C)

0
-1
-1
-1
1
1
1
1
1
2
3
4
5
5
5
5
6
5
7
7
6
7
7
8

Relative Humidity (%)

57
56
58
61
72
79
85
82
85
91
94
91
90
82
81
76
74
62
73
67
62
64
65
72

Pressure (mb)

1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1005
1005
1004
1004
1004

Ozone (du)

398
396
394
396
399
399
400
400
403
409
412
412
410
408
407
409
408
408
407
411
414
414
412
410

Monday 4

Waning Gibbous 89%

23:40

07:26

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
18 Bad
19 Bad

Sun - Rise: 05:31, Set: 20:05, Transit: 12:49. Moon - Rise: 23:40, Set: 07:26. Civil Dark: 20:38 - 04:57. Nautical Dark: 21:21 - 04:15. Astro Dark: 22:09 - 03:26

Total Clouds (% Sky Obscured)

96
95
94
96
98
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

32
34
40
42
46
54
45
63
77
88
78
91
92
94
94
92
90
88
88
90
97
96
91
85

Medium Clouds (% Sky Obscured)

39
47
56
54
50
38
38
35
100
100
100
46
61
78
92
94
97
100
90
80
74
72
74
76

High Clouds (% Sky Obscured)

77
74
70
76
90
100
93
100
100
98
97
96
97
99
100
94
88
84
89
94
99
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
9
9
9
9
7
4
2
2
3
3
5
7
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
Very Light Rain
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

4
4
4
5
8
10
30
52
53
55
32
33
72
89
95
95
95
95
95
85
47
63
71
74

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0
0
0
0.4
0.6
0.9
1.1
1.3
1.2
0.9
0.5
0
0
0.3
0.3

Wind Speed/Direction (mph)

7
8
9
10
11
12
14
16
17
19
18
18
18
17
16
15
15
15
16
16
15
15
13
11

Chance of Frost

Temperature (°C)

12
11
11
11
11
11
12
12
12
12
13
13
14
13
13
13
13
13
13
12
12
12
12
11

Feels Like (°C)

9
9
9
8
8
8
7
7
7
7
7
8
8
9
8
8
9
9
9
8
9
9
9
9

Dew Point (°C)

8
8
8
8
7
6
7
8
10
10
11
11
11
11
11
11
11
11
11
10
10
10
10
10

Relative Humidity (%)

77
80
79
79
72
70
71
76
86
83
87
86
83
86
89
92
92
90
89
87
87
86
88
91

Pressure (mb)

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

Ozone (du)

408
406
405
403
400
397
394
392
388
389
388
389
388
387
385
384
384
384
384
384
384
385
385
385

Tuesday 5

Waning Gibbous 82%

00:30

08:22

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
18 Bad
19 Bad

Sun - Rise: 05:30, Set: 20:06, Transit: 12:49. Moon - Rise: 00:30, Set: 08:22. Civil Dark: 20:40 - 04:56. Nautical Dark: 21:22 - 04:13. Astro Dark: 22:11 - 03:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
83
66
44
47
58
67
73
96
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
79
74
62
45
30
25
25
20
25
50
44
47
45
40
35
35
30
23
25
18
3
1
0

Medium Clouds (% Sky Obscured)

80
89
100
100
100
100
99
97
97
83
66
44
47
58
67
73
96
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
83
66
44
47
58
65
50
50
75
85
95
100
100
95
90

ISS Passover

Visibility (miles)

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

Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

76
73
70
77
82
86
94
95
95
89
74
51
50
47
44
42
38
29
38
33
19
14
6
2

Precipitation Amount (mm)

0.3
0.3
0.3
0.4
0.4
0.5
0.6
0.7
0.8
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
9
9
8
8
8
8
7
7
7
8
8
9
9
10
10
11
11
11
11
11
10
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
96
96
96
98
98
98
98
98
98
96
96
95
95
93
88
84
80
80
77
77
81
85

Pressure (mb)

1006
1007
1007
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011

Ozone (du)

385
385
385
386
387
389
390
391
392
392
395
398
401
404
407
410
411
411
411
413
415
417
418
419

Wednesday 6

Waning Gibbous 74%

01:10

09:25

20 Bad
21 Bad
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

Sun - Rise: 05:28, Set: 20:07, Transit: 12:48. Moon - Rise: 01:10, Set: 09:25. Civil Dark: 20:41 - 04:54. Nautical Dark: 21:24 - 04:11. Astro Dark: 22:13 - 03:21

Total Clouds (% Sky Obscured)

70
42
23
49
71
94
88
82
76
78
77
81
69
56
47
40
34
22

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
8
15
19
37
56
70
69
56
47
40
34
22

Medium Clouds (% Sky Obscured)

68
36
8
38
67
93
87
82
76
77
77
79
62
43
20
10
6
7

High Clouds (% Sky Obscured)

64
38
15
18
17
19
21
23
45
75
77
81
69
56
47
40
17
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7

Fog (%)

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
0
0
1
2
2
0
0
0
29
47
62
95
95
95
95
95
91

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.7
1.2
1.8
1.5
1.1
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
7
6
5
5
4
4
4
4
4
5
6
7
9
10
11
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
93
94
93
91
91
91
89
89
85
82
78
70
66
59
55
52

Pressure (mb)

1011
1011
1011
1012
1011
1011
1011
1010
1010
1009
1009
1009
1009
1007
1006
1005
1004
1003

Ozone (du)

420
424
427
431
432
433
434
436
438
440
446
451
456
452
448
444
439
434

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

Generated: 30/04/26 20:02:41. Forecast: 30/04/26 to 06/05/26. Timezone: UTC-4.00