Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 100%

19:24

05:13

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 OK
02 OK
03 OK
04 OK
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 OK

Sun - Rise: 05:41, Set: 20:03, Transit: 12:53. Moon - Rise: 19:24, Set: 05:13. Civil Dark: 20:36 - 05:08. Nautical Dark: 21:17 - 04:27. Astro Dark: 22:03 - 03:41

Total Clouds (% Sky Obscured)

100
100
98
94
84
86
71
80
78
80
80
80
60
32
28
24
13
2
3
3
7
9
11
29

Low Clouds (% Sky Obscured)

58
61
64
67
74
74
54
65
61
35
23
22
3
2
2
2
2
2
2
2
6
8
11
29

Medium Clouds (% Sky Obscured)

97
90
70
40
22
25
23
36
61
77
77
79
57
32
26
23
12
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)

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
85
30
7
3
13
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
75
70
69
68
71
73
74
74
75
76
80
85
88
89
89
87
87
89
80
65
56
51
48

Pressure (mb)

1006
1006
1006
1006
1006
1007
1007
1008
1009
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1011

Ozone (du)

385
385
387
394
394
392
391
392
394
396
397
397
396
395
395
396
398
401
402
405
405
406
406
405

Friday 1

Full Moon 100%

20:33

05:37

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

Sun - Rise: 05:40, Set: 20:04, Transit: 12:53. Moon - Rise: 20:33, Set: 05:37. Civil Dark: 20:37 - 05:07. Nautical Dark: 21:18 - 04:25. Astro Dark: 22:05 - 03:38

Total Clouds (% Sky Obscured)

35
100
100
99
78
59
39
18
16
54
60
70
99
100
100
98
96
97
97
98
99
97
93
96

Low Clouds (% Sky Obscured)

35
35
35
39
35
29
30
15
11
24
29
25
33
56
56
79
77
79
71
74
75
54
50
87

Medium Clouds (% Sky Obscured)

0
65
70
65
42
26
30
11
15
36
57
64
86
98
100
95
84
77
83
92
92
73
62
60

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
4
4
4
4
4
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
4
0
0
0
0
0
0
0
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
None
None
None
None
None
Very Light Rain
Light Rain
Snow
Snow
Snow
Light Rain
Snow
None
None
None

Precipitation Probability (%)

0
0
0
1
2
4
7
2
2
2
0
13
8
26
42
48
55
65
78
70
49
36
25
26

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
10
10
9
9
9
7
5
4
4
5
4
4
4
4
5
5
4
4
5
5
4
4

Chance of Frost

Temperature (°C)

9
10
10
10
10
10
9
8
6
4
3
2
1
1
2
1
1
2
2
2
3
4
5
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
39
38
39
37
38
48
59
68
71
72
77
81
83
83
91
98
98
100
100
98
98
98
87

Pressure (mb)

1011
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1013
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

404
404
403
402
400
398
403
410
414
419
420
417
415
413
410
408
406
408
408
408
410
412
414
415

Saturday 2

Waning Gibbous 98%

21:40

06:07

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

Sun - Rise: 05:39, Set: 20:05, Transit: 12:53. Moon - Rise: 21:40, Set: 06:07. Civil Dark: 20:38 - 05:05. Nautical Dark: 21:20 - 04:23. Astro Dark: 22:07 - 03:36

Total Clouds (% Sky Obscured)

95
100
100
84
94
100
100
88
77
65
76
81
62
63
68
30
20
22
25
54
45
43
42
63

Low Clouds (% Sky Obscured)

59
66
68
58
59
64
60
43
42
25
42
39
4
3
8
10
15
13
17
43
41
43
42
52

Medium Clouds (% Sky Obscured)

65
75
75
46
69
90
90
70
61
61
59
52
51
49
56
19
1
1
10
31
22
11
0
13

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
6
7
6
9
7
4
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
Very Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
54
67
61
53
55
50
21
7
4
2
2
3
2
0
0
0
0
0
0
1
2
14
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
5
6
6
6
6
5
4
4
4
4
5
4
4
4
4
4
4
3
4
5
6
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
77
75
71
69
69
73
79
83
86
86
86
86
86
86
86
84
86
86
81
72
64
54
47

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1012
1012
1012
1012
1012
1011

Ozone (du)

413
400
391
392
398
404
408
411
409
408
408
405
406
406
406
406
405
400
399
400
400
400
400
400

Sunday 3

Waning Gibbous 94%

22:45

06:45

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

Sun - Rise: 05:37, Set: 20:07, Transit: 12:53. Moon - Rise: 22:45, Set: 06:45. Civil Dark: 20:40 - 05:04. Nautical Dark: 21:22 - 04:22. Astro Dark: 22:09 - 03:34

Total Clouds (% Sky Obscured)

67
75
80
83
87
82
70
62
50
34
31
37
50
62
47
49
34
40
37
42
45
52
56
73

Low Clouds (% Sky Obscured)

51
51
40
29
27
38
31
24
16
8
3
3
3
2
13
49
34
40
37
42
45
51
53
60

Medium Clouds (% Sky Obscured)

26
39
43
49
51
41
39
37
31
18
31
32
45
44
27
13
34
40
37
42
36
25
28
57

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
1
1
1
8
1
1
2
1
15
10
10
7
2
1
1
25
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
1
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
3
1
0
4
6
1
0
0
0
0
0
0
2
8
20
3
2
13
43
20
28
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
47
51
47
54
46
53
64
74
82
86
91
93
93
96
98
98
96
96
93
86
85
78
82

Pressure (mb)

1011
1010
1010
1010
1010
1009
1010
1010
1010
1010
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009

Ozone (du)

401
399
397
397
396
396
394
395
394
392
391
391
395
398
401
402
401
406
410
411
408
411
412
414

Monday 4

Waning Gibbous 89%

23:43

07:31

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
11 Bad

Sun - Rise: 05:36, Set: 20:08, Transit: 12:52. Moon - Rise: 23:43, Set: 07:31. Civil Dark: 20:41 - 05:02. Nautical Dark: 21:23 - 04:20. Astro Dark: 22:11 - 03:31

Total Clouds (% Sky Obscured)

85
100
93
96
89
91
93
94
97
98
99
99
99
99
100
100
100
100
100
100
95
84
74
81

Low Clouds (% Sky Obscured)

78
100
92
87
79
72
65
53
44
41
45
27
62
73
48
62
76
84
92
100
84
68
52
36

Medium Clouds (% Sky Obscured)

78
81
77
67
59
31
14
4
62
42
5
9
11
18
52
58
68
66
59
51
51
45
39
60

High Clouds (% Sky Obscured)

35
35
1
2
4
52
59
55
76
85
89
87
74
73
100
99
98
98
99
100
84
69
53
72

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
6
9
8
7
6
6
6
6
7
8
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

11
21
32
15
11
9
7
6
7
7
5
8
26
7
52
76
95
95
95
95
88
75
60
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.8
0.8
0.7
0.5
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
11
12
10
11
11
10
9
9
9
9
8
8
8
9
9
10
10
11
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
80
73
68
77
70
76
78
81
78
78
80
90
91
91
91
93
95
93
93
92
89
84
80

Pressure (mb)

1009
1008
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1005
1005
1004
1001
1000
1000
1000
1000
1001
1001
1002
1003

Ozone (du)

416
416
418
416
413
411
409
407
406
408
407
405
405
405
403
400
397
393
393
393
392
394
395
397

Tuesday 5

Waning Gibbous 82%

00:32

08:27

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
11 Bad

Sun - Rise: 05:34, Set: 20:09, Transit: 12:52. Moon - Rise: 00:32, Set: 08:27. Civil Dark: 20:43 - 05:01. Nautical Dark: 21:25 - 04:18. Astro Dark: 22:13 - 03:29

Total Clouds (% Sky Obscured)

91
100
96
92
88
81
73
61
65
67
75
88
96
100
100
100
99
90
79
60
69
83
100
100

Low Clouds (% Sky Obscured)

19
3
2
1
0
14
28
41
28
14
0
1
2
4
9
12
15
20
21
23
23
20
16
21

Medium Clouds (% Sky Obscured)

80
99
83
68
55
39
23
3
23
45
65
65
65
65
76
86
95
90
79
60
69
73
88
91

High Clouds (% Sky Obscured)

88
100
88
76
64
68
69
61
65
49
48
56
77
100
89
78
67
46
25
3
39
74
100
94

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 (%)

40
14
20
14
4
7
8
9
9
7
0
0
0
0
8
10
12
17
18
17
27
33
35
32

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)

14
14
14
14
13
13
11
9
8
7
6
5
5
4
4
4
4
4
4
5
5
7
8
9

Chance of Frost

Temperature (°C)

12
13
15
15
16
16
14
13
12
10
9
8
7
6
5
5
5
5
5
5
5
6
6
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
69
63
60
56
52
61
74
87
88
93
96
96
96
98
94
93
89
86
82
79
76
74
70

Pressure (mb)

1003
1004
1004
1005
1005
1005
1006
1006
1007
1007
1008
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

398
400
402
402
403
404
401
399
397
397
398
399
399
400
401
401
402
403
404
405
406
407
408
410

Wednesday 6

Waning Gibbous 74%

01:13

09:30

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: 05:33, Set: 20:10, Transit: 12:52. Moon - Rise: 01:13, Set: 09:30. Civil Dark: 20:44 - 04:59. Nautical Dark: 21:27 - 04:16. Astro Dark: 22:16 - 03:27

Total Clouds (% Sky Obscured)

100
100
92
82
73
69
64
59
74
87
98
97
96
95
92
89
86
87
89
93

Low Clouds (% Sky Obscured)

29
39
31
22
42
49
51
52
54
57
59
55
54
56
58
59
56
62
67
72

Medium Clouds (% Sky Obscured)

98
100
66
33
0
0
5
14
20
21
14
15
19
24
28
27
30
38
49
60

High Clouds (% Sky Obscured)

87
79
41
25
5
9
15
21
58
62
58
75
83
85
84
79
73
65
57
49

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

26
17
17
20
20
52
70
84
85
85
85
82
81
81
79
78
75
89
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.3
0.6
0.7
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
12
14
14
14
14
12
11
9
9
7
6
6
6
5
4
5
4
5
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
56
49
51
53
55
59
65
69
75
79
86
88
91
91
93
94
94
93
90

Pressure (mb)

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

Ozone (du)

411
413
415
429
443
457
448
439
430
427
423
420
417
414
411
409
406
404
403
402

Forecast for Domaine-Laurentien, Laurentides, Canada (45.81,-74.06)

Generated: 30/04/26 12:45:40. Forecast: 30/04/26 to 06/05/26. Timezone: UTC-4.00