Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 1

Full Moon 100%

20:29

05:32

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

92
92
95
91
100
100
100
51
31
28
13
39
26
35
66
83
91
94
93
94
98
98
95
79

Low Clouds (% Sky Obscured)

76
57
29
50
38
35
30
26
15
21
9
29
18
3
2
2
13
59
60
77
75
77
81
78

Medium Clouds (% Sky Obscured)

0
0
45
42
55
55
50
16
5
0
4
0
3
28
64
83
86
86
91
91
88
56
46
55

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
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
12
0
0
0
0
0
1
1
3
3
6
13
20
29
43

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
42
38
34
32
32
33
40
48
57
65
67
66
69
73
73
74
77
74
73
69
64
61
59

Pressure (mb)

1011
1010
1010
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1013
1013
1012

Ozone (du)

409
411
412
414
414
414
412
408
400
399
403
404
405
412
415
415
416
417
417
419
420
421
422
424

Saturday 2

Waning Gibbous 98%

21:37

06:02

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

79
91
71
95
86
84
72
80
36
50
91
34
88
87
75
44
44
52
50
56
48
45
52
42

Low Clouds (% Sky Obscured)

79
81
63
72
58
64
50
44
2
5
25
4
27
30
25
12
24
44
50
32
48
45
52
42

Medium Clouds (% Sky Obscured)

55
37
28
78
77
65
26
50
36
45
56
34
49
48
57
44
44
52
50
56
48
45
50
23

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
8
7
6
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
5
1
2
2
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

51
51
51
57
46
34
25
33
16
3
1
0
0
0
0
0
0
2
5
2
4
1
8
6

Precipitation Amount (mm)

0.3
0
0
0.3
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
4
3
6
6
6
6
6
4
3
3
4
3
2
2
2
2
2
3
3
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
50
50
49
51
53
51
49
54
63
65
66
71
72
72
75
79
79
80
82
76
71
65
60

Pressure (mb)

1012
1012
1011
1011
1011
1010
1010
1010
1010
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1010
1010

Ozone (du)

425
423
420
404
398
402
408
414
417
417
417
416
413
414
411
411
411
411
411
408
406
403
403
403

Sunday 3

Waning Gibbous 94%

22:42

06:39

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

31
93
100
90
82
98
78
90
55
28
17
22
36
32
42
53
67
71
97
100
100
99
98
97

Low Clouds (% Sky Obscured)

31
54
30
36
49
44
40
48
48
2
1
2
1
18
2
39
49
62
65
89
100
97
95
93

Medium Clouds (% Sky Obscured)

31
80
85
62
44
75
44
62
27
22
14
13
23
18
28
45
67
71
95
100
50
67
66
68

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
4
0
0
3
6
4
4
4
4
10
65
8
59
69
79

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
5
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
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

3
1
0
0
0
0
1
2
0
0
0
0
2
0
0
1
3
17
95
95
62
27
28
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.4
0.6
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
42
38
39
38
38
39
44
51
57
63
66
75
82
79
83
89
94
93
94
94
94
94
87

Pressure (mb)

1009
1009
1008
1008
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1007
1007
1006
1006
1006
1005
1005
1006
1005
1005

Ozone (du)

402
401
399
400
405
403
402
399
398
396
395
397
395
394
395
398
401
409
408
409
408
406
404
405

Monday 4

Waning Gibbous 89%

23:40

07:26

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: 05:31, 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)

98
99
92
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
100
100
100

Low Clouds (% Sky Obscured)

93
92
85
76
62
34
41
16
35
45
52
50
69
73
20
87
62
100
98
95
35
90
89
80

Medium Clouds (% Sky Obscured)

87
94
68
67
55
50
65
95
47
47
45
40
39
45
54
99
61
98
67
78
89
97
95
73

High Clouds (% Sky Obscured)

72
16
0
25
66
98
99
99
100
100
100
100
100
94
100
100
100
97
96
100
91
87
88
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
8
9
9
9
3
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

36
42
38
40
43
31
32
20
3
4
4
0
12
15
20
95
72
89
62
56
62
95
95
57

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.5
0.7
0.3
0.2
0.2
0.7
0.9
0

Wind Speed/Direction (mph)

10
11
12
13
13
12
12
11
10
9
10
11
13
13
14
13
13
12
11
12
13
13
13
13

Chance of Frost

Temperature (°C)

10
11
12
13
14
14
15
14
14
13
13
13
13
13
13
12
12
11
12
12
12
13
14
13

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
8
9
9
9
9
8
9
9
8
8
8
8
10
10
9
10
10
11
12
12

Relative Humidity (%)

85
75
73
66
65
70
67
71
74
74
80
77
72
72
71
76
88
93
86
89
87
84
87
90

Pressure (mb)

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

Ozone (du)

407
409
411
409
406
404
405
406
403
401
399
399
397
398
396
393
393
391
392
391
393
393
392
394

Tuesday 5

Waning Gibbous 82%

00:30

08:22

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: 05:30, 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)

70
67
64
73
100
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

33
33
29
25
14
1
17
32
42
39
33
21
76
90
81
66
80
90
97
96
96
92
90
85

Medium Clouds (% Sky Obscured)

70
67
64
73
70
64
70
70
57
100
100
100
100
100
99
100
100
100
98
96
94
84
72
59

High Clouds (% Sky Obscured)

70
67
64
73
100
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
2
2
2
3
3
4
6
7

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
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

Precipitation Probability (%)

26
21
2
2
1
0
20
32
43
73
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.6
0.6
0.7
0.6
0.9
1
1.4
1.7
1.6
1.5
1.3
1.3
1.3
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
16
16
16
16
16
15
13
12
11
11
10
10
9
8
8
7
7
7
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

10
6
5
5
4
5
5
5
5
5
5
5
4
5
6
7
6
6
6
6
6
6
6
6

Relative Humidity (%)

74
54
50
46
44
47
47
50
55
63
66
67
66
71
80
90
91
93
94
94
94
93
93
93

Pressure (mb)

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

Ozone (du)

395
396
399
399
397
396
394
393
393
393
390
389
390
390
388
388
389
391
392
393
393
394
395
396

Wednesday 6

Waning Gibbous 74%

01:10

09:25

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

Sun - Rise: 05:28, Set: 20:07, Transit: 12:49. 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)

100
100
100
100
99
99
90
75
56
65
75
94
86
79
71
58
45
32
55
78
100
100
100
100

Low Clouds (% Sky Obscured)

69
54
40
38
37
36
32
29
25
26
28
32
37
39
40
35
25
19
21
26
26
29
39
50

Medium Clouds (% Sky Obscured)

71
85
100
95
90
83
71
61
42
30
27
33
42
54
65
44
23
1
33
64
95
97
98
100

High Clouds (% Sky Obscured)

100
100
100
87
74
61
31
15
1
16
19
28
25
19
17
39
45
32
55
78
85
70
62
65

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

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

Precipitation Probability (%)

95
81
32
27
21
16
13
14
10
15
14
8
13
10
0
0
0
0
14
13
11
16
17
15

Precipitation Amount (mm)

0.8
0.4
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
7
6
5
5
5
5
6
6
6
6
5
5
5
3
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
85
78
74
71
67
65
67
71
76
78
81
84
88
91
94
94
93
94
90
86
82
75
69

Pressure (mb)

1009
1009
1009
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

397
399
401
404
407
410
413
420
427
434
434
434
435
440
445
450
444
437
430
430
429
429
427
426

Thursday 7

Waning Gibbous 64%

01:42

10:33

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: 05:27, Set: 20:08, Transit: 12:48. Moon - Rise: 01:42, Set: 10:33. Civil Dark: 20:42 - 04:53. Nautical Dark: 21:26 - 04:10. Astro Dark: 22:16 - 03:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
97
97
98
98
98
97
96
94

Low Clouds (% Sky Obscured)

57
57
57
78
89
96
89
83
77
84
92
99
96
93
88
88
90
92
87
82
77

Medium Clouds (% Sky Obscured)

100
100
100
99
97
96
97
98
99
99
99
100
99
97
97
98
97
94
93
94
93

High Clouds (% Sky Obscured)

65
85
95
96
97
98
84
74
60
50
40
35
23
21
19
34
43
37
40
41
42

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
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

Precipitation Type

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

Precipitation Probability (%)

31
39
45
48
53
62
65
67
69
59
50
44
46
58
71
69
68
63
60
57
57

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.3
0.3
0.4
0.3
0
0
0
0.3
0.5
0.4
0.3
0.3
0.2
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
11
12
12
13
13
13
12
10
9
9
9
9
8
8
7
7
7
7
7
7

Feels Like (°C)

6
6
7
7
10
10
10
10
10
11
7
7
7
7
7
7
5
5
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

64
60
57
54
53
52
50
56
64
72
72
72
70
77
84
93
91
91
91
90
91

Pressure (mb)

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

Ozone (du)

425
426
428
429
429
429
429
428
428
427
424
421
417
415
414
412
412
412
412
414
416

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

Generated: 01/05/26 11:52:55. Forecast: 01/05/26 to 07/05/26. Timezone: UTC-4.00