Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 31

Waning Gibbous 97%

21:26

07:34

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK
08 Bad
09 OK
10 OK
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: 05:35, Set: 20:26, Transit: 13:01. Moon - Rise: 21:26, Set: 07:34. Civil Dark: 21:01 - 05:00. Nautical Dark: 21:46 - 04:16. Astro Dark: 22:39 - 03:23

Total Clouds (% Sky Obscured)

55
72
68
69
62
56
35
44
46
39
38
66
86
74
88
72
82
86
73
45
79
44
50
48

Low Clouds (% Sky Obscured)

12
38
54
58
62
56
35
44
46
39
38
59
67
42
54
34
36
31
30
38
36
25
23
20

Medium Clouds (% Sky Obscured)

32
30
26
10
2
1
2
3
3
0
11
18
13
22
34
41
30
29
13
8
20
18
13
10

High Clouds (% Sky Obscured)

32
3
1
0
0
2
0
0
0
0
0
0
0
1
4
7
46
48
46
5
46
19
31
25

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
100
99
100
99
87
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
82

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
17
30
27
29
35
30
28
24
3
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)

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

Chance of Frost

Temperature (°C)

15
15
15
14
13
13
14
16
18
19
20
21
22
23
24
24
24
23
23
20
18
18
17
17

Feels Like (°C)

16
16
17
16
16
16
17
20
21
22
23
24
24
24
25
26
26
25
24
21
20
18
19
19

Dew Point (°C)

15
14
14
14
13
13
14
16
16
13
12
13
14
17
19
21
20
21
21
19
17
17
16
16

Relative Humidity (%)

98
96
98
96
96
96
98
95
85
68
59
60
62
67
72
83
82
85
88
91
93
93
93
93

Pressure (mb)

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

Ozone (du)

333
334
334
337
340
341
339
336
333
327
327
325
325
324
323
324
322
321
319
317
316
315
315
315

Saturday 1

Waning Gibbous 93%

21:42

08:44

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: 05:36, Set: 20:25, Transit: 13:01. Moon - Rise: 21:42, Set: 08:44. Civil Dark: 21:00 - 05:02. Nautical Dark: 21:44 - 04:17. Astro Dark: 22:36 - 03:25

Total Clouds (% Sky Obscured)

65
67
86
45
51
68
69
56
92
88
96
100
100
98
98
98
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

32
34
25
18
0
0
0
0
0
34
51
51
65
63
0
62
30
16
20
26
11
2
73
17

Medium Clouds (% Sky Obscured)

16
26
28
18
5
18
1
35
69
49
64
98
79
92
86
68
87
92
91
93
94
94
98
73

High Clouds (% Sky Obscured)

33
29
64
26
47
62
60
38
52
75
84
99
100
86
92
86
94
100
100
100
100
100
92
100

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 (%)

89
100
100
100
100
45
6
2
1
1
0
1
1
1
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
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
4
2
7
4
4
5
8
7
29
58
31
14
12
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0

Wind Speed/Direction (mph)

1
2
2
2
2
3
3
4
5
7
8
9
9
8
7
7
7
7
5
4
3
2
2
2

Chance of Frost

Temperature (°C)

17
16
16
15
15
15
17
19
21
22
22
23
23
23
22
23
23
23
21
20
19
19
19
19

Feels Like (°C)

18
17
16
16
17
17
19
21
22
22
22
22
21
22
21
23
23
23
22
21
20
20
20
20

Dew Point (°C)

16
15
15
15
14
14
16
17
16
15
14
12
12
14
14
15
16
18
18
19
18
18
18
18

Relative Humidity (%)

95
93
95
95
95
95
93
88
76
63
57
51
50
57
58
59
64
73
80
89
95
93
95
91

Pressure (mb)

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

Ozone (du)

313
314
313
312
311
311
309
307
307
306
305
305
305
305
304
304
304
303
304
304
303
303
303
303

Sunday 2

Waning Gibbous 87%

21:58

09:55

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: 05:38, Set: 20:23, Transit: 13:01. Moon - Rise: 21:58, Set: 09:55. Civil Dark: 20:58 - 05:03. Nautical Dark: 21:42 - 04:19. Astro Dark: 22:34 - 03:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
91

Low Clouds (% Sky Obscured)

38
31
29
26
26
26
30
45
53
71
70
72
54
66
63
75
73
78
79
80
84
87
87
88

Medium Clouds (% Sky Obscured)

56
87
93
100
98
95
93
96
86
92
100
98
96
100
100
100
100
100
100
100
74
90
59
47

High Clouds (% Sky Obscured)

100
100
100
100
100
100
92
92
97
82
54
100
100
100
100
100
100
100
100
100
100
100
73
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
9
9
9
6
9
8
9
2
1
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
Very Light Rain
Very Light Rain
Light Rain
None
None
None
Light Rain
Light Rain
None
Very 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
20
41
59
59
66
47
41
49
86
90
58
71
95
95
95
95
95
81
85
88
76
71

Precipitation Amount (mm)

0
0
0
0
0.3
0.3
0.5
0
0
0
0.7
0.8
0
0.3
0.8
1.7
1.7
2.1
0.8
0.4
0.5
0.6
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
19
18
18
16
16
17
19
19
19
18
18
19
18
18
18
17
17
17
17
16
16
16

Feels Like (°C)

21
20
20
19
19
17
17
18
20
21
20
20
20
20
19
19
19
18
18
18
18
17
17
17

Dew Point (°C)

18
18
17
17
17
15
15
16
18
17
18
18
18
18
18
18
17
17
17
17
16
16
16
16

Relative Humidity (%)

92
91
92
92
93
93
95
96
98
89
95
98
98
98
98
98
98
100
100
100
98
98
100
100

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

304
305
306
306
308
308
307
306
306
308
309
309
309
309
310
306
306
306
308
312
313
311
313
311

Monday 3

Waning Gibbous 78%

22:16

11:07

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

Sun - Rise: 05:39, Set: 20:22, Transit: 13:00. Moon - Rise: 22:16, Set: 11:07. Civil Dark: 20:57 - 05:04. Nautical Dark: 21:40 - 04:20. Astro Dark: 22:32 - 03:29

Total Clouds (% Sky Obscured)

86
82
79
75
55
45
30
26
36
41
41
38
33
34
38
44
48
47
47
24
12
17
2
0

Low Clouds (% Sky Obscured)

86
82
79
75
55
45
30
26
36
41
41
20
18
21
25
29
33
35
41
24
11
0
2
0

Medium Clouds (% Sky Obscured)

59
55
50
47
40
32
30
26
35
34
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
45
45
45
40
40
30
26
36
35
35
35
33
30
1
14
25
25
10
1
2
17
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
1
6
7
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
Light Rain
Moderate 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

Precipitation Probability (%)

53
72
95
95
95
95
95
95
95
35
18
22
31
14
17
2
3
7
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
1.2
2.7
2.1
0.8
0.8
2.4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
15
15
16
16
16
17
18
19
20
21
21
21
21
21
20
20
18
17
16
15
15

Feels Like (°C)

17
17
17
16
15
15
15
16
19
20
20
21
21
20
20
20
20
19
18
16
17
16
14
15

Dew Point (°C)

16
16
16
15
15
15
16
16
17
18
19
19
17
18
19
16
17
17
17
16
15
15
14
14

Relative Humidity (%)

100
100
100
100
100
98
98
100
98
100
98
95
79
81
86
73
76
80
85
85
90
93
95
96

Pressure (mb)

1011
1011
1011
1011
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1013
1014
1014
1015
1015
1016

Ozone (du)

311
313
311
309
308
307
312
310
308
312
318
320
319
321
319
318
319
321
321
321
321
322
324
329

Tuesday 4

Waning Gibbous 69%

22:36

12:22

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

Sun - Rise: 05:40, Set: 20:21, Transit: 13:00. Moon - Rise: 22:36, Set: 12:22. Civil Dark: 20:55 - 05:06. Nautical Dark: 21:39 - 04:22. Astro Dark: 22:29 - 03:31

Total Clouds (% Sky Obscured)

0
0
0
1
0
1
0
0
0
0
8
15
23
42
60
75
70
65
60
60
45
45
50
55

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
31
50
75
70
65
60
60
45
45
50
55

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
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)

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

Chance of Frost

Temperature (°C)

14
14
14
14
14
15
16
17
19
20
22
23
24
24
24
24
24
22
20
19
17
17
16
15

Feels Like (°C)

15
15
14
14
13
14
14
16
18
19
19
20
22
23
22
22
22
23
23
24
17
19
20
19

Dew Point (°C)

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

Relative Humidity (%)

96
96
93
89
80
76
73
70
61
51
43
39
37
34
35
37
38
47
59
72
73
74
77
76

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020

Ozone (du)

331
328
329
327
328
327
326
328
329
329
328
326
322
318
318
319
319
318
318
317
316
315
315
313

Wednesday 5

Third Quarter 58%

23:02

13:40

01 Bad
02 OK
03 OK
04 Good
05 OK
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: 05:41, Set: 20:19, Transit: 13:00. Moon - Rise: 23:02, Set: 13:40. Civil Dark: 20:53 - 05:07. Nautical Dark: 21:37 - 04:24. Astro Dark: 22:27 - 03:34

Total Clouds (% Sky Obscured)

55
45
32
17
35
49
65
65
75
85
85
85
85
86
77
73
63
48
45
40
40
45
65
70

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
30
34
36
35
32
31
30

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
28
57
80
85
80
75
71
63
55
54
48
44
40
40
41
57
61

High Clouds (% Sky Obscured)

55
45
32
17
35
49
60
55
65
60
39
24
7
4
2
0
10
20
25
30
40
45
60
70

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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
2
3
5
16
19
19
26
30
33
44
57
72
72
78

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
16
15
15
15
14
13
20
20
20
21
21
21
24
24
23
24
25
26
18
19
21
21

Dew Point (°C)

11
10
10
9
9
10
10
10
10
9
8
8
7
6
7
8
9
11
13
16
15
15
15
15

Relative Humidity (%)

76
76
76
75
76
71
68
64
56
48
42
41
38
36
38
41
43
56
69
86
88
90
93
90

Pressure (mb)

1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

312
311
310
309
309
309
308
308
308
307
307
306
306
305
305
306
306
305
305
305
304
304
303
303

Thursday 6

Waning Crescent 46%

23:35

15:01

Sun - Rise: 05:43, Set: 20:18, Transit: 13:00. Moon - Rise: 23:35, Set: 15:01. Civil Dark: 20:52 - 05:08. Nautical Dark: 21:35 - 04:25. Astro Dark: 22:24 - 03:36

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: 31/07/26 01:31:40. Forecast: 31/07/26 to 06/08/26. Timezone: UTC-4.00