Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 25

Waxing Gibbous 76%

14:59

02:24

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 OK
20 Bad
21 Bad
22 OK
23 OK
00 Good

Sun - Rise: 05:09, Set: 20:34, Transit: 12:51. Moon - Rise: 14:59, Set: 02:24. Civil Dark: 21:11 - 04:32. Nautical Dark: 22:00 - 03:43. Astro Dark: 23:03 - 02:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
60
59
73
63
47
35
68
55
37
12
3

Low Clouds (% Sky Obscured)

100
100
86
93
93
95
87
87
100
100
100
100
100
60
59
64
41
27
23
37
5
0
0
1

Medium Clouds (% Sky Obscured)

100
97
100
100
100
100
100
100
100
30
24
15
14
0
20
25
30
18
5
1
0
19
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
60
60
90
0
0
0
0
0
0
0
0
0
14
46
21
34
12
3

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
9
9
9
9
9
9
9
9
9

Fog (%)

5
98
98
88
89
92
74
77
86
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

11
50
79
91
95
95
95
95
49
23
1
0
3
1
1
20
3
4
11
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.4
0.6
0.6
1.4
1.8
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
5
6
5
5
6
6
6
7
9
10
11
11
13
13
13
14
16
14
10
11
10
9

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
100
98
98
100
100
100
98
98
96
96
89
83
78
82
75
86
87
93
93
93

Pressure (mb)

1021
1021
1020
1020
1019
1019
1019
1019
1018
1018
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1016
1017
1017
1017

Ozone (du)

340
341
340
339
339
341
343
346
350
359
376
382
383
384
380
372
364
363
365
358
360
358
360
365

Tuesday 26

Waxing Gibbous 84%

16:07

02:40

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

Sun - Rise: 05:08, Set: 20:35, Transit: 12:51. Moon - Rise: 16:07, Set: 02:40. Civil Dark: 21:12 - 04:31. Nautical Dark: 22:01 - 03:42. Astro Dark: 23:05 - 02:38

Total Clouds (% Sky Obscured)

2
1
10
0
29
16
15
24
34
96
100
84
77
96
86
77
100
51
17
0
11
1
0
0

Low Clouds (% Sky Obscured)

0
1
0
0
1
0
0
1
1
9
19
43
58
62
63
63
71
31
17
0
11
1
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
24
34
55
100
82
68
85
49
55
51
43
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
0
5
0
13
9
15
24
34
95
47
0
0
21
30
0
25
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
5
9
7
6
5
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
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
5
13
36
78
87
83
95
95
95
73
60
7
2
0
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0.3
0.4
1.9
0.9
0
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
4
4
4
4
5
7
10
12
13
15
14
14
14
15
13
12
10
9
5
5
5
4

Chance of Frost

Temperature (°C)

9
9
9
9
9
10
14
16
18
19
21
21
22
22
22
21
19
20
20
17
16
15
14
13

Feels Like (°C)

10
10
10
10
10
11
15
14
15
16
18
17
19
19
20
19
18
18
20
18
18
16
15
14

Dew Point (°C)

8
9
9
8
8
9
12
13
12
12
14
13
19
20
21
18
16
18
18
16
16
14
14
13

Relative Humidity (%)

93
95
95
95
95
93
86
81
70
64
64
60
85
92
92
86
85
89
89
92
98
96
95
96

Pressure (mb)

1017
1017
1017
1016
1016
1015
1015
1015
1014
1013
1012
1011
1010
1009
1008
1007
1007
1007
1007
1008
1009
1009
1010
1010

Ozone (du)

367
369
371
372
368
368
369
366
364
362
362
363
365
368
370
371
368
366
365
366
368
368
370
371

Wednesday 27

Waxing Gibbous 90%

17:16

02:56

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

Sun - Rise: 05:08, Set: 20:36, Transit: 12:52. Moon - Rise: 17:16, Set: 02:56. Civil Dark: 21:13 - 04:30. Nautical Dark: 22:03 - 03:41. Astro Dark: 23:07 - 02:36

Total Clouds (% Sky Obscured)

2
5
37
14
19
65
84
88
78
43
33
71
98
92
29
74
97
26
50
96
90
91
86
94

Low Clouds (% Sky Obscured)

2
3
1
0
0
18
48
73
66
43
33
61
66
42
5
32
71
26
41
68
74
61
63
88

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
0
43
33
57
54
35
29
46
83
26
50
85
89
91
78
71

High Clouds (% Sky Obscured)

0
5
37
14
19
65
55
44
31
8
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
8
9
9
8
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
3
5
13
23
10
15
13
41
43
33
16
25
34
37

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

Chance of Frost

Temperature (°C)

12
10
10
10
10
10
11
11
12
14
15
15
16
16
16
17
17
16
15
14
12
12
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
96
93
86
75
61
50
42
42
50
65
45
51
61
70
84
89
90
96
98

Pressure (mb)

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

Ozone (du)

367
363
360
361
358
356
357
356
356
359
361
364
368
369
374
378
381
390
397
396
392
394
398
397

Thursday 28

Waxing Gibbous 95%

18:24

03:15

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
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:07, Set: 20:37, Transit: 12:52. Moon - Rise: 18:24, Set: 03:15. Civil Dark: 21:14 - 04:29. Nautical Dark: 22:04 - 03:40. Astro Dark: 23:09 - 02:34

Total Clouds (% Sky Obscured)

92
94
96
97
88
79
75
75
67
70
44
86
89
91
94
95
90
67
97
97
98
98
98
98

Low Clouds (% Sky Obscured)

89
87
87
90
58
44
41
57
55
65
22
78
89
50
45
9
15
28
15
7
25
26
14
13

Medium Clouds (% Sky Obscured)

63
66
65
68
57
43
34
32
31
29
28
28
29
41
69
72
70
44
72
62
72
60
78
82

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
5
5
15
15
1
3
25
34
44
58
67
80

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 (%)

33
33
32
28
24
19
9
8
7
5
26
15
10
7
4
1
1
0
0
1
0
0
3
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)

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

Chance of Frost

Temperature (°C)

10
9
9
8
8
8
8
9
11
12
13
14
14
14
14
14
14
13
13
11
10
9
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
93
93
94
94
90
81
72
65
58
51
50
55
49
47
48
48
54
64
72
80
82
82

Pressure (mb)

1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1013
1013
1013
1014
1015
1015
1015
1015

Ozone (du)

397
399
399
397
395
393
396
399
398
400
398
393
393
392
392
393
395
387
383
380
382
383
384
384

Friday 29

Waxing Gibbous 99%

19:32

03:37

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
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:06, Set: 20:38, Transit: 12:52. Moon - Rise: 19:32, Set: 03:37. Civil Dark: 21:15 - 04:29. Nautical Dark: 22:05 - 03:38. Astro Dark: 23:11 - 02:32

Total Clouds (% Sky Obscured)

99
99
100
100
100
99
99
99
99
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

17
18
21
51
51
54
62
64
66
73
79
77
82
72
79
88
89
94
99
99
100
100
100
100

Medium Clouds (% Sky Obscured)

77
91
92
93
95
96
97
93
89
84
89
94
100
95
90
84
78
71
75
84
96
100
99
98

High Clouds (% Sky Obscured)

92
57
45
46
88
73
60
60
65
65
65
53
0
0
0
0
2
4
7
7
4
1
1
4

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

1
2
9
22
95
95
95
95
95
95
95
95
95
95
93
95
95
95
95
95
92
86
84
76

Precipitation Amount (mm)

0
0
0
0
0.6
1.7
2.1
1.2
2.4
2.3
1.3
0.8
0.6
0.5
0.5
0.5
0.6
0.7
0.5
0.6
0.6
0.6
0.6
0.4

Wind Speed/Direction (mph)

3
3
1
3
3
3
5
7
8
8
7
6
5
6
3
5
7
7
7
8
9
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
4
5
5
5
5
4
4
5
8
8
10
9
6
6
6
6
5
5
2
1
1
0

Dew Point (°C)

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

Relative Humidity (%)

84
88
88
84
82
91
96
98
98
98
100
98
96
95
96
96
98
100
98
98
98
98
98
96

Pressure (mb)

1014
1014
1013
1013
1012
1012
1012
1011
1010
1009
1008
1007
1006
1005
1005
1005
1005
1005
1006
1006
1006
1007
1007
1007

Ozone (du)

385
384
389
393
393
392
395
398
401
402
407
414
421
424
424
424
423
423
422
422
419
416
413
410

Saturday 30

Waxing Gibbous 100%

20:38

04:04

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
22 Bad
23 Bad
00 OK

Sun - Rise: 05:06, Set: 20:38, Transit: 12:52. Moon - Rise: 20:38, Set: 04:04. Civil Dark: 21:16 - 04:28. Nautical Dark: 22:07 - 03:37. Astro Dark: 23:14 - 02:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
88
78
69
69
69
69
53
36

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
88
78
69
69
69
64
53
36

Medium Clouds (% Sky Obscured)

97
97
98
96
93
81
68
49
31
19
14
13
12
10
7
5
10
18
44
38
24
7
14
16

High Clouds (% Sky Obscured)

12
30
40
51
53
58
56
56
56
59
52
44
55
58
81
80
85
78
69
64
33
34
27
24

ISS Passover

Visibility (miles)

0
0
0
0
0
3
5
8
8
8
8
8
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

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

Precipitation Probability (%)

62
66
72
77
85
95
95
95
95
95
95
95
95
95
95
95
83
71
61
46
31
10
9
7

Precipitation Amount (mm)

0.2
0.2
0.3
0.4
0.5
0.7
0.8
1.1
1.3
1.1
1.1
1.2
1.3
1
1
0.8
0.5
0.4
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
8
8
8
8
8
9
10
11
12
12
13
13
12
11
10
9
7
6
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
96
98
96
86
78
71
67
65
61
62
61
61
65
71
78
83
89
96
96

Pressure (mb)

1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1009
1011
1012
1013
1014
1015
1016
1017
1018
1018
1019
1020
1020
1021

Ozone (du)

406
402
403
404
406
405
404
403
404
405
406
405
405
404
403
403
402
402
401
400
399
399
398
397

Sunday 31

Full Moon 100%

21:39

04:39

Sun - Rise: 05:05, Set: 20:39, Transit: 12:52. Moon - Rise: 21:39, Set: 04:39. Civil Dark: 21:17 - 04:27. Nautical Dark: 22:08 - 03:36. Astro Dark: 23:16 - 02:29

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 25/05/26 01:49:53. Forecast: 25/05/26 to 31/05/26. Timezone: UTC-4.00