Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 8

Waning Gibbous 80%

18:49

11:56

14 Bad
15 OK
16 OK
17 Bad
18 Good
19 OK
20 Good
21 Good
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: 06:49, Set: 16:28, Transit: 11:38. Moon - Rise: 18:49, Set: 11:56. Civil Dark: 17:01 - 06:17. Nautical Dark: 17:37 - 05:41. Astro Dark: 18:12 - 05:05

Total Clouds (% Sky Obscured)

44
44
44
49
3
9
3
8
100
100
100
100
100
100
100
100
100
100
97
96
100
100
100
100

Low Clouds (% Sky Obscured)

36
42
34
24
1
1
2
8
1
1
2
2
7
15
16
23
30
27
54
66
81
85
95
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
4
0
0
0
22
83
100
100
100
100
100
77
100
84
87
90
100
100
91

High Clouds (% Sky Obscured)

0
0
0
0
3
1
3
8
100
100
100
100
90
69
65
100
100
83
70
84
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
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
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
16
48

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
75
81
84
87
92
94
92
85
85
85
83
80
79
77
77
79
74
69
65
62
61
65

Pressure (mb)

1009
1010
1011
1013
1014
1015
1016
1016
1016
1017
1017
1018
1019
1018
1019
1019
1019
1019
1019
1019
1018
1018
1017
1016

Ozone (du)

323
324
323
323
323
323
321
317
314
313
315
313
311
308
310
313
316
319
318
321
322
322
322
322

Sunday 9

Waning Gibbous 70%

20:05

12:35

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
12 Bad
13 Bad

Sun - Rise: 06:51, Set: 16:27, Transit: 11:38. Moon - Rise: 20:05, Set: 12:35. Civil Dark: 16:59 - 06:18. Nautical Dark: 17:36 - 05:42. Astro Dark: 18:11 - 05:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

96
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
94
95
39
44
24
82
84
73
42
30
5
0
0
19
0
26
45

High Clouds (% Sky Obscured)

100
100
100
100
100
65
65
7
60
55
55
65
70
75
75
80
80
80
90
90
90
4
4
0

ISS Passover

Visibility (miles)

9
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
2
2
1
4
5
2
6
17
22
6
0
0
0
0
0
0

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

74
92
95
95
95
95
95
95
95
88
77
66
60
62
47
49
40
27
15
29
30
31
36
31

Precipitation Amount (mm)

0.4
0.6
1
1.7
2.1
2.6
2.4
1.8
0.9
0.5
0.4
0.3
0.3
0.3
0.1
0.1
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
81
92
92
94
94
94
94
92
94
94
94
92
94
94
94
94
94
94
92
94
92
92
92

Pressure (mb)

1016
1015
1015
1015
1014
1014
1013
1012
1012
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1008
1008
1007
1007

Ozone (du)

318
318
316
313
310
310
310
311
310
309
307
307
308
310
311
311
313
314
315
316
317
317
317
317

Monday 10

Waning Gibbous 59%

21:24

13:04

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
12 Bad
13 Bad

Sun - Rise: 06:52, Set: 16:26, Transit: 11:38. Moon - Rise: 21:24, Set: 13:04. Civil Dark: 16:58 - 06:20. Nautical Dark: 17:35 - 05:43. Astro Dark: 18:10 - 05:08

Total Clouds (% Sky Obscured)

100
99
100
100
100
95
96
98
100
98
97
97
92
92
96
95
97
96
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
98
100
100
100
95
96
87
99
94
90
86
81
86
91
90
90
88
90
92
93
93
95
94

Medium Clouds (% Sky Obscured)

76
81
76
59
47
61
87
77
67
67
49
29
22
28
28
35
53
66
80
90
85
85
80
80

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
20

ISS Passover

Visibility (miles)

0
0
1
0
0
0
0
1
0
2
2
2
1
1
2
2
3
3
3
5
7
4
1
1

Fog (%)

0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
Snow
None
None
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow

Precipitation Probability (%)

26
26
31
41
27
17
28
37
36
34
27
16
13
22
12
11
7
18
21
20
40
44
48
43

Precipitation Amount (mm)

0
0
0
0.1
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.2
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
91
94
96
96
96
96
98
96
94
96
94
94
94
94
94
92
92
90
85
80
77
82
82

Pressure (mb)

1006
1006
1006
1006
1005
1005
1004
1003
1002
1002
1001
1001
1000
1000
999
999
999
999
999
999
999
999
998
998

Ozone (du)

318
318
317
319
322
330
334
340
349
355
359
359
360
363
364
367
367
372
377
379
381
378
380
385

Tuesday 11

Waning Gibbous 48%

22:41

13:26

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
12 Bad
13 Bad

Sun - Rise: 06:54, Set: 16:25, Transit: 11:39. Moon - Rise: 22:41, Set: 13:26. Civil Dark: 16:57 - 06:21. Nautical Dark: 17:34 - 05:45. Astro Dark: 18:09 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
92
73
67
53
60
56
95
72
93
95
95
97
98
100
99
99
98
98
99
100
100

Low Clouds (% Sky Obscured)

94
96
95
67
18
15
15
16
20
21
25
24
50
95
97
98
95
95
98
94
93
92
88
85

Medium Clouds (% Sky Obscured)

75
75
70
60
55
55
53
57
39
63
17
25
50
60
73
88
100
98
96
92
93
96
89
72

High Clouds (% Sky Obscured)

40
57
50
55
50
50
50
60
56
32
2
5
15
15
1
0
2
20
15
15
31
65
72
60

ISS Passover

Visibility (miles)

2
1
2
9
9
9
9
9
9
9
9
9
9
9
9
0
0
0
0
0
0
0
0
0

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

Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

39
35
21
16
8
8
7
5
8
9
9
8
7
11
37
47
54
49
52
56
69
80
80
73

Precipitation Amount (mm)

0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.2
0.1
0.2
0.3
0.5
0.5
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-11
-12
-12
-12
-11
-11
-12
-11
-11
-12
-12
-13
-12
-11
-11
-11
-11
-10
-9
-7
-7
-7
-6

Dew Point (°C)

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

Relative Humidity (%)

80
85
85
87
83
83
85
85
80
85
83
87
83
83
89
94
94
92
94
92
92
92
94
96

Pressure (mb)

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

Ozone (du)

389
388
395
396
388
381
378
376
370
368
367
364
360
359
361
362
359
355
353
354
355
349
340
336

Wednesday 12

Third Quarter 37%

23:55

13:44

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
12 Bad
13 Bad

Sun - Rise: 06:55, Set: 16:24, Transit: 11:39. Moon - Rise: 23:55, Set: 13:44. Civil Dark: 16:56 - 06:22. Nautical Dark: 17:33 - 05:46. Astro Dark: 18:08 - 05:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
92
94
100
99
89
79
69
78
86
94
96
97
97
96
96
95
93

Low Clouds (% Sky Obscured)

80
81
84
89
93
94
95
88
91
95
95
85
79
69
78
86
85
84
82
81
79
77
76
69

Medium Clouds (% Sky Obscured)

100
100
99
55
52
48
48
54
49
49
48
16
15
9
16
20
37
42
61
70
74
78
82
79

High Clouds (% Sky Obscured)

45
40
32
28
24
20
8
0
0
0
0
1
2
3
3
4
3
10
14
19
22
28
43
62

ISS Passover

Visibility (miles)

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

Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

69
46
45
48
36
27
27
24
25
28
34
19
17
15
14
12
9
11
10
6
8
8
8
13

Precipitation Amount (mm)

0.4
0.1
0.1
0.2
0.1
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
7
7
8
7
7
7
6
7
7
6
7
6
6
6
5
5
6
6
7
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-6
-6
-6
-6
-6
-7
-7
-8
-9
-9
-10
-10
-9
-10
-10
-10
-12
-11
-11
-10
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
98
94
94
94
94
89
89
91
90
90
92
92
94
94
90
87
84
81
78
76

Pressure (mb)

999
999
999
999
999
999
1000
1000
1000
1001
1001
1001
1001
1002
1003
1004
1005
1005
1006
1006
1007
1007
1007
1007

Ozone (du)

334
332
332
335
338
339
338
339
337
334
333
333
332
330
329
329
330
330
331
332
333
333
333
332

Thursday 13

Waning Crescent 28%

01:05

13:59

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
12 Bad
13 Bad

Sun - Rise: 06:56, Set: 16:22, Transit: 11:39. Moon - Rise: 01:05, Set: 13:59. Civil Dark: 16:55 - 06:24. Nautical Dark: 17:32 - 05:47. Astro Dark: 18:07 - 05:12

Total Clouds (% Sky Obscured)

92
90
93
97
98
99
99
99
98
97
95
93
90
88
79
70
62
64
66
68
79
89
100
100

Low Clouds (% Sky Obscured)

63
56
61
65
69
59
50
53
66
60
55
50
46
43
46
56
62
64
66
68
77
86
94
92

Medium Clouds (% Sky Obscured)

76
75
74
77
79
81
81
78
71
64
57
58
59
60
39
19
1
1
0
0
0
0
0
1

High Clouds (% Sky Obscured)

68
75
70
67
60
69
78
86
89
91
95
74
43
15
8
3
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
8
7
6
5
4
3
3
3
3
3
3
3
3
3
2
5
7
9
8
7
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
16
17
15
8
12
9
1
2
1
0
0
0
0
1
1
1
2
2
1
9
11
13
16

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-6
-6
-6
-6
-11
-10
-9
-10
-10
-10
-13
-11
-11
-11
-12
-13
-13
-13
-13
-12
-11
-10

Dew Point (°C)

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

Relative Humidity (%)

81
84
89
89
92
94
94
94
92
92
92
92
92
92
92
90
90
90
90
89
85
84
82
79

Pressure (mb)

1008
1008
1009
1010
1010
1011
1012
1012
1012
1013
1013
1014
1014
1014
1015
1015
1015
1016
1015
1015
1015
1015
1015
1014

Ozone (du)

329
325
322
325
329
333
330
328
325
324
323
322
322
321
321
319
318
316
317
318
319
320
322
323

Friday 14

Waning Crescent 19%

02:12

13:59

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

Sun - Rise: 06:58, Set: 16:21, Transit: 11:39. Moon - Rise: 02:12, Set: 13:59. Civil Dark: 16:54 - 06:25. Nautical Dark: 17:31 - 05:48. Astro Dark: 18:06 - 05:13

Total Clouds (% Sky Obscured)

100
100
98
97
94
94
95
94
77
59
43
47
47
46
54
68
76

Low Clouds (% Sky Obscured)

90
87
85
82
80
83
84
84
70
57
43
45
45
44
47
48
51

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

5
4
2
1
1
0
2
5
7
8
8
9
7
4
1
1
2

Fog (%)

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

Precipitation Probability (%)

18
19
18
15
10
11
11
10
8
4
0
0
1
1
4
4
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-3
-4
-4
-5
-6
-7
-8
-8
-8
-7
-8
-8
-8
-8
-8
-8
-8

Feels Like (°C)

-6
-7
-7
-7
-7
-7
-11
-12
-13
-11
-11
-10
-11
-11
-11
-12
-12

Dew Point (°C)

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

Relative Humidity (%)

82
85
90
92
94
94
94
92
92
92
90
90
88
90
90
88
90

Pressure (mb)

1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

320
317
314
314
315
315
317
319
320
321
321
321
322
322
322
321
321

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

Generated: 08/11/25 14:47:42. Forecast: 08/11/25 to 14/11/25. Timezone: UTC-5.00