Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 28

Waxing Gibbous 95%

18:24

03:15

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
01 Bad
02 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 - 02:32

Total Clouds (% Sky Obscured)

82
76
68
96
100
98
99
98
100
89
95
100
79
66
97
100
100
100
96
94
97
95
91
94

Low Clouds (% Sky Obscured)

41
46
65
91
100
96
99
97
100
88
91
100
64
66
54
52
42
39
39
27
53
60
79
47

Medium Clouds (% Sky Obscured)

20
14
2
33
27
39
7
21
0
0
7
24
33
1
0
24
52
100
93
88
95
91
90
91

High Clouds (% Sky Obscured)

0
3
3
0
0
0
0
0
0
0
0
0
0
0
40
100
100
100
77
77
69
61
55
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

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
4
6
12
0
4
20
12
25
31
29
25
20
22
18
3
0
0
1
4
13
5
6

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
8
9
9
10
12
12
11
13
12
12
14
11
11
10
9
8
7
6
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
93
90
91
84
74
76
78
65
70
72
59
66
65
72
77
84
88
88
87
87
79

Pressure (mb)

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

Ozone (du)

401
400
398
397
400
399
398
391
393
398
399
401
404
406
405
397
390
382
378
374
374
376
377
379

Friday 29

Waxing Gibbous 99%

19:32

03:37

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
01 Bad
02 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 - 02:30

Total Clouds (% Sky Obscured)

93
89
79
92
87
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
76
70
86

Low Clouds (% Sky Obscured)

38
36
53
23
18
48
65
100
100
100
100
100
100
100
100
72
75
75
75
84
77
65
59
43

Medium Clouds (% Sky Obscured)

90
84
67
92
67
94
100
100
100
100
100
100
100
100
100
100
100
99
100
96
80
9
4
41

High Clouds (% Sky Obscured)

60
55
3
30
45
49
65
100
100
66
45
2
0
0
75
81
53
95
100
81
39
4
6
75

ISS Passover

Visibility (miles)

9
9
9
9
9
8
6
3
2
1
0
0
0
0
0
0
0
0
0
0
0
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
13
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

11
8
0
1
27
71
95
95
95
95
95
95
95
95
95
95
95
95
85
54
32
5
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.8
1.8
3.1
3.2
2.9
2.8
3.4
3.4
3.8
4.2
2.6
1.2
0.5
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
81
90
88
75
72
82
93
96
100
100
100
100
98
98
98
100
98
98
98
98
96
94
94

Pressure (mb)

1014
1013
1013
1013
1012
1012
1011
1009
1008
1007
1006
1004
1003
1003
1005
1006
1008
1010
1011
1012
1013
1014
1015
1016

Ozone (du)

382
381
380
384
387
388
389
390
398
397
405
418
422
423
421
419
419
412
406
404
403
405
405
404

Saturday 30

Waxing Gibbous 100%

20:38

04:04

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

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 - 02:29

Total Clouds (% Sky Obscured)

95
77
30
15
22
18
22
92
48
37
72
92
90
92
67
87
71
36
26
18
52
71
95
89

Low Clouds (% Sky Obscured)

42
34
10
6
22
18
22
69
46
1
16
18
30
46
41
38
42
22
14
3
0
2
3
3

Medium Clouds (% Sky Obscured)

63
34
0
0
17
2
2
2
48
37
56
52
43
32
36
25
29
23
15
6
13
29
44
46

High Clouds (% Sky Obscured)

19
4
4
0
0
0
1
40
3
1
0
2
3
0
0
0
0
0
4
14
52
71
90
81

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
1
13
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)

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

Chance of Frost

Temperature (°C)

3
2
3
3
5
6
8
9
10
12
13
14
15
16
15
15
14
12
10
9
8
8
8
8

Feels Like (°C)

-1
-2
-1
0
2
4
5
7
6
9
10
10
11
11
11
13
11
10
9
8
7
6
6
5

Dew Point (°C)

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

Relative Humidity (%)

94
93
96
96
93
83
66
53
48
43
40
38
37
35
36
45
62
68
81
84
87
87
87
82

Pressure (mb)

1017
1018
1019
1020
1020
1021
1021
1021
1021
1021
1020
1020
1019
1019
1019
1019
1019
1020
1020
1020
1021
1020
1020
1020

Ozone (du)

404
405
406
406
405
403
396
390
388
387
387
388
393
396
398
395
393
391
387
389
389
390
390
389

Sunday 31

Full Moon 99%

21:39

04:39

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
01 Bad
02 Bad

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 - 02:27

Total Clouds (% Sky Obscured)

84
78
86
93
100
100
100
100
100
100
100
97
96
95
94
92
89
86
86
85
87
90
95
79

Low Clouds (% Sky Obscured)

3
75
68
63
39
11
6
5
8
16
19
18
23
13
10
6
4
0
0
5
7
9
19
17

Medium Clouds (% Sky Obscured)

44
46
69
86
98
99
94
100
100
100
100
92
87
85
84
85
85
83
81
71
70
77
84
57

High Clouds (% Sky Obscured)

72
64
81
91
100
100
100
100
100
100
100
68
43
15
25
25
25
20
15
15
9
15
30
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
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
8
39
49
35
17
16
11
26
25
7
8
3
2
3
2
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)

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

Chance of Frost

Temperature (°C)

7
7
6
8
9
11
12
13
13
13
13
13
13
13
14
13
12
11
9
8
7
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
76
74
75
72
66
62
55
52
56
56
57
50
48
46
56
65
72
81
87
87
88
84
86

Pressure (mb)

1020
1019
1019
1019
1019
1018
1017
1017
1016
1015
1015
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

390
388
388
386
385
385
385
384
383
384
386
386
387
389
393
399
401
405
408
412
413
411
411
410

Monday 1

Waning Gibbous 97%

22:31

05:22

03 Bad
04 OK
05 OK
06 OK
07 OK
08 Good
09 Good
10 Good
11 Good
12 OK
13 OK
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

Sun - Rise: 05:04, Set: 20:40, Transit: 12:52. Moon - Rise: 22:31, Set: 05:22. Civil Dark: 21:18 - 04:26. Nautical Dark: 22:09 - 03:35. Astro Dark: 23:18 - 02:25

Total Clouds (% Sky Obscured)

64
38
14
24
23
18
10
9
13
9
9
38
69
100
93
87
78
73
70
67
73
80
88
94

Low Clouds (% Sky Obscured)

12
2
14
24
23
18
10
9
12
9
9
38
63
72
51
39
27
18
9
0
12
24
36
50

Medium Clouds (% Sky Obscured)

35
2
0
2
2
16
10
9
13
9
9
24
43
61
64
66
64
60
60
63
72
80
88
92

High Clouds (% Sky Obscured)

55
36
0
0
0
0
0
0
3
0
0
11
18
22
26
20
15
12
7
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 (%)

1
0
0
0
0
0
0
0
4
8
12
22
21
16
29
36
39
32
22
14
16
18
15
22

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

Chance of Frost

Temperature (°C)

5
4
4
5
7
9
10
12
13
14
15
16
17
17
17
15
13
11
10
9
8
7
7
6

Feels Like (°C)

3
2
2
4
6
8
9
10
10
11
11
13
14
14
13
14
14
14
8
8
8
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

89
94
94
93
78
68
58
51
41
36
33
32
33
34
35
44
55
70
72
73
74
75
75
75

Pressure (mb)

1012
1013
1013
1013
1013
1014
1014
1013
1013
1013
1013
1013
1013
1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

411
414
415
415
416
418
415
408
406
405
404
404
406
408
410
407
404
402
400
399
398
397
395
394

Tuesday 2

Waning Gibbous 95%

23:14

06:16

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 OK
22 Good
23 OK
00 OK
01 Bad
02 Bad

Sun - Rise: 05:04, Set: 20:41, Transit: 12:52. Moon - Rise: 23:14, Set: 06:16. Civil Dark: 21:19 - 04:26. Nautical Dark: 22:10 - 03:35. Astro Dark: 23:20 - 02:24

Total Clouds (% Sky Obscured)

95
95
90
56
45
37
33
30
40
60
86
91
96
100
78
56
33
24
15
5
24
43
61
56

Low Clouds (% Sky Obscured)

65
80
86
56
45
37
33
30
40
60
85
87
87
87
69
56
33
24
15
5
24
27
26
26

Medium Clouds (% Sky Obscured)

94
90
85
56
45
30
15
10
8
12
15
33
51
69
47
29
27
24
15
5
17
12
7
3

High Clouds (% Sky Obscured)

0
0
8
13
25
25
26
30
31
30
50
55
80
80
57
30
0
0
0
3
16
35
56
50

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
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
None
None
None
None
None
None
None

Precipitation Probability (%)

24
24
39
47
52
65
76
88
79
74
70
67
68
71
63
61
61
45
29
12
8
5
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
5
6
7
9
10
11
13
13
13
14
13
13
12
11
10
9
7
6
5
5
5
5

Chance of Frost

Temperature (°C)

6
6
5
7
8
10
11
12
13
14
14
14
14
14
14
13
12
11
9
8
6
6
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
72
70
63
57
51
44
39
33
31
28
25
27
29
32
37
42
49
56
63
71
71
71
71

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1018
1019
1020
1021
1021
1022
1022
1022
1023

Ozone (du)

394
393
393
391
389
388
386
383
381
380
378
376
376
375
375
374
373
371
370
368
366
365
363
362

Wednesday 3

Waning Gibbous 92%

23:48

07:17

Sun - Rise: 05:03, Set: 20:42, Transit: 12:53. Moon - Rise: 23:48, Set: 07:17. Civil Dark: 21:20 - 04:25. Nautical Dark: 22:12 - 03:34. Astro Dark: 23:21 - 02:22

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: 28/05/26 03:03:26. Forecast: 28/05/26 to 03/06/26. Timezone: UTC-4.00