Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 100%

20:34

05:09

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 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 Good
21 Good

Sun - Rise: 05:38, Set: 20:04, Transit: 12:51. Moon - Rise: 20:34, Set: 05:09. Civil Dark: 20:38 - 05:05. Nautical Dark: 21:20 - 04:22. Astro Dark: 22:06 - 03:34

Total Clouds (% Sky Obscured)

95
98
100
82
82
83
87
86
91
92
73
86
81
74
46
48
84
100
100
99
45
19
13
9

Low Clouds (% Sky Obscured)

85
76
78
74
66
74
79
86
85
92
69
61
73
69
38
48
80
91
89
52
34
14
10
8

Medium Clouds (% Sky Obscured)

23
20
3
10
35
11
10
0
9
0
0
0
0
0
0
0
24
50
60
64
17
0
0
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
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
0
0
0
0
0
0
0
0
1
2
4
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
96
98
98
98
96
94
89
84
75
63
52
44
40
36
35
41
39
44
45
57
73
77

Pressure (mb)

1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1012
1012
1011
1011
1010
1010
1010
1010
1010
1011
1011
1012
1013

Ozone (du)

388
390
392
393
393
395
397
398
399
401
403
404
404
404
406
406
407
406
403
402
399
400
406
406

Friday 1

Full Moon 100%

21:42

05:33

22 Good
23 Good
00 OK
01 OK
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
20 Bad
21 Bad

Sun - Rise: 05:37, Set: 20:06, Transit: 12:51. Moon - Rise: 21:42, Set: 05:33. Civil Dark: 20:39 - 05:03. Nautical Dark: 21:22 - 04:21. Astro Dark: 22:08 - 03:32

Total Clouds (% Sky Obscured)

10
10
24
19
84
95
100
100
99
98
99
100
99
98
100
99
100
100
97
92
76
86
94
50

Low Clouds (% Sky Obscured)

5
2
2
2
15
21
44
68
61
65
80
84
80
94
100
99
100
97
90
68
53
59
56
39

Medium Clouds (% Sky Obscured)

7
10
18
19
84
95
100
71
64
75
78
71
66
66
54
63
65
79
71
53
70
59
54
50

High Clouds (% Sky Obscured)

3
3
10
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
8
8
6
5
2
2
1
1
1
6
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
Light Rain
Light Rain
Light Rain
Snow
Snow
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
5
10
26
40
36
40
40
50
71
81
81
76
55
49
23
4
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.7
0.6
0.2
0
0
0
0

Wind Speed/Direction (mph)

3
3
2
2
2
2
2
2
2
1
2
3
4
4
4
3
4
4
4
5
4
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
84
84
83
81
80
81
77
71
69
69
69
67
64
58
55
60
62
60
59
70
81
86

Pressure (mb)

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

Ozone (du)

411
414
417
416
413
410
407
405
405
408
408
410
411
410
408
410
411
400
399
399
402
408
408
408

Saturday 2

Waning Gibbous 98%

No Rise

06:02

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

Sun - Rise: 05:35, Set: 20:07, Transit: 12:51. Moon - Rise: No Rise, Set: 06:02. Civil Dark: 20:41 - 05:01. Nautical Dark: 21:24 - 04:19. Astro Dark: 22:10 - 03:30

Total Clouds (% Sky Obscured)

46
37
24
37
24
20
17
6
5
12
12
18
80
86
90
96
97
98
100
95
77
80
69
53

Low Clouds (% Sky Obscured)

37
37
24
37
24
20
17
6
4
12
12
18
63
70
67
84
78
80
78
76
33
63
64
45

Medium Clouds (% Sky Obscured)

46
30
0
0
0
0
0
0
0
0
1
1
0
0
0
20
43
68
90
75
66
53
44
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
1
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
0
0
0
2
3
11
2
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
92
92
94
94
94
94
94
94
83
67
53
44
41
43
41
43
39
44
42
45
51
62
64

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1008
1008
1007
1007
1007
1007
1008
1008

Ozone (du)

410
409
408
406
405
408
411
412
412
412
408
405
402
400
398
397
396
395
398
398
396
394
391
390

Sunday 3

Waning Gibbous 94%

22:47

06:39

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

Sun - Rise: 05:34, Set: 20:08, Transit: 12:51. Moon - Rise: 22:47, Set: 06:39. Civil Dark: 20:42 - 05:00. Nautical Dark: 21:25 - 04:17. Astro Dark: 22:13 - 03:27

Total Clouds (% Sky Obscured)

29
55
64
56
51
46
77
92
96
100
99
99
99
99
100
100
99
99
72
99
99
100
97
94

Low Clouds (% Sky Obscured)

5
55
52
7
6
5
9
28
91
96
96
97
98
99
100
100
99
99
58
97
43
85
77
66

Medium Clouds (% Sky Obscured)

21
28
33
35
37
42
74
90
52
78
48
28
15
46
75
30
32
30
45
49
40
35
52
11

High Clouds (% Sky Obscured)

0
2
2
1
0
3
0
0
1
0
20
34
61
44
38
4
2
2
1
31
72
92
78
88

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
1
8
15
3
14
30
22
23
22
30
32
34
30
28
14
7
8
7

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

Chance of Frost

Temperature (°C)

1
0
-0
-1
-1
-1
-1
-0
1
2
3
4
5
5
6
7
8
9
9
10
9
9
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
73
72
75
81
83
89
94
98
94
91
85
85
91
74
76
68
69
74
69
78
81
87
90

Pressure (mb)

1008
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1004
1004
1003
1003
1003
1003
1003
1002

Ozone (du)

392
392
392
395
397
398
401
406
408
410
409
407
409
411
411
412
412
412
412
409
408
408
406
404

Monday 4

Waning Gibbous 89%

23:45

07:26

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
20 Bad
21 Bad

Sun - Rise: 05:32, Set: 20:10, Transit: 12:51. Moon - Rise: 23:45, Set: 07:26. Civil Dark: 20:44 - 04:58. Nautical Dark: 21:27 - 04:15. Astro Dark: 22:15 - 03:25

Total Clouds (% Sky Obscured)

93
95
97
99
99
100
100
100
100
100
100
100
100
100
100
98
96
97
100
93
81
68
78
88

Low Clouds (% Sky Obscured)

61
67
75
83
87
89
93
96
97
99
97
94
87
79
70
62
49
39
25
43
56
62
57
53

Medium Clouds (% Sky Obscured)

35
10
15
23
33
43
100
99
63
79
86
88
89
70
54
40
59
73
85
74
60
42
34
14

High Clouds (% Sky Obscured)

84
88
89
91
81
42
65
70
58
100
94
88
81
63
42
24
47
75
100
68
37
0
33
67

ISS Passover

Visibility (miles)

9
8
9
9
8
4
0
0
0
2
7
5
4
2
4
7
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
Very Light Rain
None
Very Light Rain
Light Rain
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

Precipitation Probability (%)

16
31
29
47
33
66
90
95
73
73
95
95
95
95
94
72
61
46
1
4
4
3
14
17

Precipitation Amount (mm)

0
0
0
0.2
0
0.2
0.5
1.3
0.4
0.4
1
1.2
1.5
1
0.6
0.4
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
9
10
11
11
10
11
10
12
12
11
11
11
12
12
13
12
11
10
8
7
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
91
93
96
96
98
100
100
96
95
95
95
95
91
85
81
73
66
60
66
71
78
84

Pressure (mb)

1002
1001
1001
1000
999
998
998
997
997
996
997
997
997
998
999
999
1000
1001
1002
1002
1003
1005
1006
1006

Ozone (du)

402
400
396
395
394
392
388
388
387
388
389
387
386
384
384
384
384
384
385
385
387
388
390
390

Tuesday 5

Waning Gibbous 82%

00:35

08:22

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Good
05 OK
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

Sun - Rise: 05:31, Set: 20:11, Transit: 12:51. Moon - Rise: 00:35, Set: 08:22. Civil Dark: 20:45 - 04:57. Nautical Dark: 21:29 - 04:13. Astro Dark: 22:17 - 03:22

Total Clouds (% Sky Obscured)

100
100
100
100
67
34
1
29
53
88
78
78
86
96
100
100
100
100
100
93
86
80
87
94

Low Clouds (% Sky Obscured)

50
35
19
4
3
1
0
0
0
0
1
3
9
13
16
19
29
38
42
28
14
0
0
0

Medium Clouds (% Sky Obscured)

4
20
35
51
35
19
1
19
29
22
35
66
86
96
99
100
100
100
97
88
81
80
87
94

High Clouds (% Sky Obscured)

100
100
100
100
67
34
1
29
53
88
78
78
85
90
95
100
100
100
100
90
80
67
47
28

ISS Passover

Visibility (miles)

9
9
8
7
7
7
7
7
8
8
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 (%)

17
15
12
7
13
10
7
9
7
1
2
2
1
4
3
2
9
8
1
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
3
3
1
1
1
1
1
1
4
4
4
5
6
7
6
5
5
5
5
5
0

Dew Point (°C)

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

Relative Humidity (%)

90
96
96
96
98
98
98
100
94
91
88
72
60
49
48
48
48
50
52
55
60
67
75
73

Pressure (mb)

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

Ozone (du)

390
390
391
393
394
396
397
399
402
404
407
408
410
411
413
414
416
419
422
425
426
426
427
434

Wednesday 6

Waning Gibbous 74%

01:15

09:25

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

Sun - Rise: 05:29, Set: 20:12, Transit: 12:51. Moon - Rise: 01:15, Set: 09:25. Civil Dark: 20:47 - 04:55. Nautical Dark: 21:30 - 04:11. Astro Dark: 22:19 - 03:20

Total Clouds (% Sky Obscured)

100
100
99
98
96
94
91
95
97
100
97
94
92
93
95
97

Low Clouds (% Sky Obscured)

2
3
5
5
13
21
27
49
74
99
97
94
92
93
95
96

Medium Clouds (% Sky Obscured)

100
98
96
93
95
94
91
95
96
95
94
92
85
80
81
84

High Clouds (% Sky Obscured)

8
25
43
43
38
56
75
85
90
95
80
60
37
26
13
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
8
6
3

Fog (%)

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

Precipitation Probability (%)

0
0
1
2
0
1
0
12
20
28
66
92
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.6
1
1.1
1.1
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
70
72
72
70
74
79
81
75
69
62
57
51
46
47
47

Pressure (mb)

1012
1012
1012
1011
1011
1011
1010
1010
1010
1009
1009
1008
1007
1006
1005
1004

Ozone (du)

440
446
446
446
446
447
448
449
447
444
442
436
430
424
424
423

Forecast for Lac-Saint-Louis, Lanaudière, Canada (46.53,-73.70)

Generated: 30/04/26 21:55:33. Forecast: 30/04/26 to 06/05/26. Timezone: UTC-4.00