Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 4

Waning Gibbous 90%

22:43

07:29

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: 06:22, Set: 19:27, Transit: 12:54. Moon - Rise: 22:43, Set: 07:29. Civil Dark: 19:57 - 05:52. Nautical Dark: 20:34 - 05:15. Astro Dark: 21:12 - 04:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
100
100
80
73
81
75
93
84

Low Clouds (% Sky Obscured)

100
95
98
92
94
97
100
95
93
94
93
100
99
38
78
82
83
93
59
33
77
20
35
21

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
9
89
79
50
30
30
31
34
46
36

High Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
35
100
99
25
30
0
0
0
0

ISS Passover

Visibility (miles)

9
9
6
4
8
1
2
2
6
4
4
5
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
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

14
62
95
95
95
95
95
95
95
95
95
78
43
11
4
6
19
45
24
23
7
9
10
7

Precipitation Amount (mm)

0
0.5
1.8
1.5
2.5
5.2
4.2
2.1
2
1.5
1.3
0.4
0
0
0
0
0
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
67
74
83
78
82
88
89
86
90
93
93
94
84
70
70
74
78
82
73
70
71
76
73

Pressure (mb)

1018
1016
1014
1012
1010
1008
1007
1007
1006
1005
1005
1004
1003
1004
1004
1004
1004
1003
1003
1003
1003
1003
1004
1004

Ozone (du)

334
335
333
333
336
338
335
335
334
335
336
341
343
342
341
345
347
348
354
353
354
353
352
354

Sunday 5

Waning Gibbous 84%

23:50

08:01

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: 06:20, Set: 19:28, Transit: 12:54. Moon - Rise: 23:50, Set: 08:01. Civil Dark: 19:58 - 05:50. Nautical Dark: 20:35 - 05:13. Astro Dark: 21:14 - 04:34

Total Clouds (% Sky Obscured)

85
93
96
97
96
97
98
99
96
99
95
85
78
71
100
100
100
100
97
94
95
62
54
52

Low Clouds (% Sky Obscured)

41
73
83
83
81
82
91
86
79
96
90
75
60
53
81
93
100
85
88
56
74
44
20
20

Medium Clouds (% Sky Obscured)

38
47
51
85
93
92
66
90
85
82
43
30
30
30
100
100
99
99
86
83
83
16
29
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
19
5
4
4
1
4
33
63
62
40
62
66
52
11
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
5
9
9
9
9
9
4
4
9
9
9
7
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 (%)

6
9
26
24
30
25
24
23
13
21
22
21
6
3
2
5
14
10
15
6
13
11
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
80
88
89
80
76
74
73
70
69
67
65
53
47
46
47
47
46
46
51
55
59
61

Pressure (mb)

1004
1004
1004
1004
1004
1004
1005
1006
1007
1008
1009
1010
1011
1011
1011
1011
1011
1011
1011
1012
1013
1013
1015
1016

Ozone (du)

362
369
371
370
374
375
378
384
395
399
402
406
408
407
407
404
406
408
410
417
415
415
417
422

Monday 6

Waning Gibbous 76%

00:53

08:42

22 Bad
23 Bad
00 Bad
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 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK

Sun - Rise: 06:18, Set: 19:29, Transit: 12:54. Moon - Rise: 00:53, Set: 08:42. Civil Dark: 20:00 - 05:48. Nautical Dark: 20:37 - 05:11. Astro Dark: 21:16 - 04:32

Total Clouds (% Sky Obscured)

81
88
49
45
66
100
59
68
86
96
89
88
60
67
68
53
47
54
77
100
100
73
29
20

Low Clouds (% Sky Obscured)

20
20
18
20
20
20
20
28
76
77
65
70
34
50
34
40
47
54
77
43
100
71
27
18

Medium Clouds (% Sky Obscured)

72
81
15
9
52
100
49
56
80
93
84
87
30
22
36
16
0
0
0
50
2
2
1
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 (%)

9
0
0
0
2
1
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-6
-7
-9
-10
-11
-13
-13
-14
-15
-16
-18
-19
-19
-19
-19
-19
-19
-18
-17
-16
-15
-13
-12

Relative Humidity (%)

66
67
67
61
58
56
51
51
50
49
45
37
33
29
27
26
25
24
24
26
28
34
42
47

Pressure (mb)

1016
1017
1017
1018
1018
1019
1020
1020
1021
1022
1023
1024
1025
1025
1025
1025
1026
1025
1025
1026
1026
1027
1028
1029

Ozone (du)

426
425
425
429
433
437
440
436
436
444
442
438
441
446
450
453
454
453
456
454
451
450
440
439

Tuesday 7

Waning Gibbous 67%

01:48

09:32

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

Sun - Rise: 06:17, Set: 19:31, Transit: 12:54. Moon - Rise: 01:48, Set: 09:32. Civil Dark: 20:01 - 05:46. Nautical Dark: 20:38 - 05:09. Astro Dark: 21:18 - 04:29

Total Clouds (% Sky Obscured)

14
11
4
0
0
0
0
17
27
14
28
42
36
32
54
55
61
52
70
73
74
65
78
82

Low Clouds (% Sky Obscured)

12
9
4
0
0
0
0
0
0
0
0
0
0
1
3
1
0
0
0
4
66
30
54
53

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
15
14
28
42
36
31
54
37
51
39
51
56
60
57
70
72

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
4
1
1
1
1
2
1
2
9
17
25
23
22
20
24
27

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
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-12
-12
-12
-12
-12
-12
-11
-11
-12
-12
-12
-12
-11
-11
-10
-10
-9
-9
-7
-7
-7
-6

Relative Humidity (%)

48
49
50
51
51
53
53
54
56
52
46
42
38
36
36
35
35
36
36
36
44
50
55
58

Pressure (mb)

1030
1031
1032
1032
1032
1033
1033
1034
1034
1034
1035
1035
1036
1036
1035
1035
1034
1033
1032
1032
1031
1030
1030
1029

Ozone (du)

436
434
429
428
424
423
417
413
416
414
401
394
393
386
380
372
370
370
369
369
366
369
375
382

Wednesday 8

Waning Gibbous 57%

02:35

10:31

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: 06:15, Set: 19:32, Transit: 12:53. Moon - Rise: 02:35, Set: 10:31. Civil Dark: 20:03 - 05:44. Nautical Dark: 20:40 - 05:07. Astro Dark: 21:19 - 04:27

Total Clouds (% Sky Obscured)

80
89
92
99
100
100
100
76
74
90
100
100
97
76
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

35
37
33
30
16
11
1
11
18
24
49
57
31
23
52
95
91
87
89
94
91
92
89
83

Medium Clouds (% Sky Obscured)

65
60
62
58
64
68
93
76
74
56
53
50
43
46
82
96
90
85
79
82
84
85
90
94

High Clouds (% Sky Obscured)

30
54
75
95
100
100
100
76
74
90
76
55
31
44
78
100
61
42
31
40
40
40
44
38

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
4
3
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
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
3
8
16
43
61
76
83
86
88
28
42
55
77
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.6
0.7
0
0
0.2
0.4
0.8
1.1
1.2
1.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
62
61
53
55
56
58
61
63
65
66
65
64
62
60
60
69
74
81
87
88
91
95
93

Pressure (mb)

1028
1027
1026
1025
1025
1024
1023
1023
1022
1022
1022
1022
1021
1021
1021
1020
1021
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

383
382
383
386
385
381
381
380
377
375
372
370
370
368
368
368
370
372
373
375
374
373
371
369

Thursday 9

Waning Gibbous 48%

03:12

11:37

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: 06:13, Set: 19:33, Transit: 12:53. Moon - Rise: 03:12, Set: 11:37. Civil Dark: 20:04 - 05:42. Nautical Dark: 20:41 - 05:05. Astro Dark: 21:21 - 04:25

Total Clouds (% Sky Obscured)

99
96
93
91
88
85
82
82
81
79
83
89
97
96
96
95
97
98
100
99
99
98
99
99

Low Clouds (% Sky Obscured)

71
60
53
47
47
47
46
52
58
63
67
71
78
85
89
93
96
98
100
98
96
95
94
95

Medium Clouds (% Sky Obscured)

96
88
81
73
64
56
41
37
39
33
17
6
3
0
0
0
0
0
0
0
0
2
12
20

High Clouds (% Sky Obscured)

37
21
26
25
23
11
0
0
0
0
0
0
0
0
1
1
4
6
13
18
23
25
29
42

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
95
95
80
58
25
17
9
0
6
10
2
6
7
5
9
6
1
4
6
5
9
8

Precipitation Amount (mm)

1.7
1.3
0.9
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
93
95
93
91
91
90
86
86
80
75
70
71
74
75
72
72
70
72
75
77
79

Pressure (mb)

1019
1018
1019
1019
1019
1019
1020
1021
1022
1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1027
1027
1028
1028
1028

Ozone (du)

367
365
367
370
373
376
380
383
385
386
387
385
383
380
378
375
373
371
369
368
366
365
364
361

Friday 10

Third Quarter 38%

03:42

12:47

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: 06:11, Set: 19:34, Transit: 12:53. Moon - Rise: 03:42, Set: 12:47. Civil Dark: 20:05 - 05:40. Nautical Dark: 20:43 - 05:03. Astro Dark: 21:23 - 04:22

Total Clouds (% Sky Obscured)

99
97
98
100
100
100
100
100
100
100
95
90
85
87
80
90
86
80
75
81
84
88

Low Clouds (% Sky Obscured)

94
80
67
54
42
33
39
39
39
50
60
60
55
62
69
74
63
57
51
36
21
10

Medium Clouds (% Sky Obscured)

30
48
70
100
100
100
95
95
95
95
95
90
85
85
75
65
43
22
0
3
6
12

High Clouds (% Sky Obscured)

61
62
83
95
95
95
95
65
65
60
50
40
35
19
13
7
11
8
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
6
3
0
1
1
2
1
1
1
3
6
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

Precipitation Type

None
None
None
None
None
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

2
5
5
4
40
60
77
94
95
95
95
95
95
95
91
59
41
25
0
1
3
6

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.5
0.7
0.9
0.9
1.1
1.2
1.3
0.9
0.6
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
80
81
80
84
91
94
96
96
98
98
100
100
100
100
98
94
93
91
91
93

Pressure (mb)

1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1027

Ozone (du)

358
354
352
351
349
350
351
353
353
353
353
353
353
353
356
359
362
364
366
369
366
363

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

Generated: 04/04/26 22:03:11. Forecast: 04/04/26 to 10/04/26. Timezone: UTC-4.00