Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 27

Waxing Gibbous 100%

19:32

06:32

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:10, Set: 19:42, Transit: 12:56. Moon - Rise: 19:32, Set: 06:32. Civil Dark: 20:13 - 05:39. Nautical Dark: 20:52 - 05:01. Astro Dark: 21:33 - 04:20

Total Clouds (% Sky Obscured)

52
84
88
67
98
100
100
97
100
100
92
86
91
99
69
76
74
63
81
99
100
100
96
99

Low Clouds (% Sky Obscured)

51
39
63
23
78
71
83
76
79
89
78
58
78
83
64
64
71
60
76
98
99
100
96
98

Medium Clouds (% Sky Obscured)

23
28
41
31
76
81
72
62
96
77
30
31
14
20
1
22
29
25
26
19
23
0
0
16

High Clouds (% Sky Obscured)

52
35
52
27
41
94
67
62
100
62
39
62
48
78
3
35
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
9
1
4
9
9
9
9
9
9
9
9
9
9
9
5
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
1
8
65
78
95
95
73
53
56
52
58
36
12
11
3
5
14
2
1
0
1

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.3
2.2
1.9
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
17
18
18
19
20
19
18
17
17
17
17
17
16
16
16
16
16
15
14
13
13
12
12

Feels Like (°C)

16
16
18
17
18
18
18
18
17
16
17
17
17
17
17
17
18
17
17
15
13
11
11
10

Dew Point (°C)

15
16
17
16
13
13
14
16
17
16
17
16
16
16
16
16
15
15
15
14
13
12
12
11

Relative Humidity (%)

100
96
92
85
67
65
75
85
95
96
95
93
96
95
96
98
98
98
98
96
96
98
100
98

Pressure (mb)

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

Ozone (du)

308
307
305
304
304
306
308
308
305
307
309
309
309
308
309
311
312
313
315
316
317
319
319
318

Friday 28

Full Moon 99%

19:49

No Set

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

Sun - Rise: 06:12, Set: 19:40, Transit: 12:55. Moon - Rise: 19:49, Set: No Set. Civil Dark: 20:12 - 05:40. Nautical Dark: 20:50 - 05:02. Astro Dark: 21:31 - 04:22

Total Clouds (% Sky Obscured)

98
94
86
75
62
42
77
69
71
63
58
20
1
0
1
1
31
9
25
45
57
51
64
69

Low Clouds (% Sky Obscured)

96
88
82
68
42
29
57
66
71
63
58
1
1
0
1
1
15
7
6
45
57
51
50
45

Medium Clouds (% Sky Obscured)

11
24
0
0
0
0
0
0
0
0
0
15
0
0
0
0
5
0
19
10
0
0
28
29

High Clouds (% Sky Obscured)

0
0
0
4
6
3
3
3
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 (%)

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)

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

Chance of Frost

Temperature (°C)

11
11
11
12
13
15
16
16
17
16
16
15
14
11
10
10
9
9
9
9
9
9
9
9

Feels Like (°C)

10
10
9
10
11
13
15
13
14
14
13
13
15
12
11
11
10
9
10
9
7
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

96
96
91
84
71
60
54
51
56
52
54
59
74
80
80
81
81
81
82
81
68
67
65
67

Pressure (mb)

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

Ozone (du)

317
317
316
316
321
324
325
327
329
328
328
329
329
329
329
329
330
331
330
331
331
332
334
335

Saturday 29

Waning Gibbous 95%

20:06

07:44

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:13, Set: 19:38, Transit: 12:55. Moon - Rise: 20:06, Set: 07:44. Civil Dark: 20:10 - 05:42. Nautical Dark: 20:48 - 05:04. Astro Dark: 21:28 - 04:23

Total Clouds (% Sky Obscured)

96
68
62
50
54
54
59
70
81
100
68
85
100
68
73
58
85
61
65
67
68
75
86
86

Low Clouds (% Sky Obscured)

60
50
62
46
44
49
46
38
18
37
35
75
63
10
30
37
40
26
25
19
16
13
16
18

Medium Clouds (% Sky Obscured)

48
50
19
25
27
25
22
40
0
29
19
79
52
29
57
56
79
55
38
42
48
54
65
55

High Clouds (% Sky Obscured)

0
0
0
2
0
0
0
0
49
70
65
24
60
58
48
3
24
20
34
25
17
1
24
35

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
1
2
1
4
12
7
16
9
25
14
1
4
6
7
14
19

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

Chance of Frost

Temperature (°C)

9
12
14
16
17
18
19
19
19
19
19
18
17
15
13
14
13
13
13
13
13
12
12
13

Feels Like (°C)

7
10
13
15
16
16
16
17
16
16
16
17
15
14
13
12
12
11
14
14
14
14
13
12

Dew Point (°C)

4
6
7
7
7
4
5
6
8
8
11
10
10
11
11
10
9
11
12
13
12
12
12
12

Relative Humidity (%)

68
67
60
57
50
39
39
41
48
49
59
60
64
78
86
79
76
84
93
96
96
96
98
96

Pressure (mb)

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

Ozone (du)

335
334
334
335
336
336
336
336
336
336
335
332
331
332
332
332
331
330
331
331
331
333
333
333

Sunday 30

Waning Gibbous 89%

20:23

08:56

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:14, Set: 19:36, Transit: 12:55. Moon - Rise: 20:23, Set: 08:56. Civil Dark: 20:08 - 05:43. Nautical Dark: 20:45 - 05:05. Astro Dark: 21:26 - 04:25

Total Clouds (% Sky Obscured)

78
72
56
49
51
54
57
78
77
76
60
54
47
61
76
87
79
70
58
66
77
87
66
47

Low Clouds (% Sky Obscured)

22
26
30
35
38
38
38
29
21
16
13
11
12
11
10
9
9
13
15
12
12
67
65
47

Medium Clouds (% Sky Obscured)

64
54
36
28
30
32
34
33
35
34
23
11
0
14
30
42
26
26
2
24
35
30
25
25

High Clouds (% Sky Obscured)

31
2
0
0
0
0
0
28
25
30
13
15
15
15
20
20
20
25
25
42
58
73
53
35

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

Precipitation Probability (%)

24
33
46
56
51
46
39
36
31
21
19
15
4
5
3
0
3
5
6
6
5
1
3
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
15
16
18
19
19
19
20
20
20
20
18
16
15
14
13
13
12
11
10
10
9
9
10

Feels Like (°C)

13
16
17
18
19
19
19
18
17
16
18
17
15
13
12
12
11
10
10
9
8
8
8
8

Dew Point (°C)

13
14
14
12
11
11
9
7
5
5
7
7
10
9
8
8
9
8
6
7
6
5
4
4

Relative Humidity (%)

95
90
85
67
61
58
51
43
37
37
44
48
66
68
69
71
80
75
71
77
77
76
69
68

Pressure (mb)

1016
1016
1016
1015
1016
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1019

Ozone (du)

334
335
336
336
335
335
334
329
326
323
321
319
317
316
316
314
312
310
309
308
306
305
307
306

Monday 31

Waning Gibbous 81%

20:42

10:11

07 OK
08 OK
09 Bad
10 Bad
11 OK
12 Bad
13 OK
14 OK
15 OK
16 OK
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: 06:16, Set: 19:34, Transit: 12:54. Moon - Rise: 20:42, Set: 10:11. Civil Dark: 20:06 - 05:44. Nautical Dark: 20:43 - 05:07. Astro Dark: 21:24 - 04:27

Total Clouds (% Sky Obscured)

22
21
21
20
22
28
30
34
37
36
56
77
95
91
86
80
85
89
95
89
79
68
57
44

Low Clouds (% Sky Obscured)

22
21
21
20
22
28
30
34
37
36
40
40
17
16
15
12
15
18
23
34
43
51
56
44

Medium Clouds (% Sky Obscured)

20
20
15
15
15
15
15
18
22
21
10
2
1
1
0
0
14
30
42
46
45
36
34
35

High Clouds (% Sky Obscured)

16
16
1
0
2
4
6
4
4
18
38
70
94
89
83
74
78
81
86
69
46
32
26
20

ISS Passover

Visibility (miles)

9
9
9
8
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 (%)

11
25
38
32
11
18
1
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
12
24

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)

3
2
3
3
2
3
2
2
2
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

10
12
13
14
15
16
17
17
17
17
17
15
14
12
12
11
11
11
11
12
12
13
13
13

Feels Like (°C)

8
10
11
13
15
15
16
16
17
16
16
15
13
11
11
11
10
11
10
11
12
12
12
11

Dew Point (°C)

5
6
8
12
14
15
16
15
15
14
14
12
11
9
9
9
8
9
9
9
10
10
10
9

Relative Humidity (%)

69
67
75
89
93
93
95
90
89
85
81
80
82
84
86
87
85
86
84
84
84
83
83
77

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

307
306
308
309
308
310
308
308
305
304
302
302
302
302
303
303
304
304
304
305
305
306
307
307

Tuesday 1

Waning Gibbous 72%

21:06

11:29

07 Bad
08 Bad
09 Bad
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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:17, Set: 19:33, Transit: 12:54. Moon - Rise: 21:06, Set: 11:29. Civil Dark: 20:04 - 05:46. Nautical Dark: 20:41 - 05:08. Astro Dark: 21:21 - 04:29

Total Clouds (% Sky Obscured)

37
32
27
28
47
56
61
67
65
69
81
91
100
93
88
82
80
78
71
71
69
67
74
82

Low Clouds (% Sky Obscured)

37
32
27
28
10
5
10
26
32
33
56
67
83
77
72
65
63
59
56
57
58
58
61
64

Medium Clouds (% Sky Obscured)

36
28
25
28
47
56
61
67
65
62
68
70
73
46
28
22
18
12
7
5
3
1
9
17

High Clouds (% Sky Obscured)

30
30
27
28
47
56
61
67
65
69
70
47
25
36
62
82
80
78
71
68
41
14
32
49

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2
3

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

Precipitation Probability (%)

34
35
34
26
33
37
52
68
77
88
87
84
88
72
63
51
35
25
13
10
7
1
3
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
14
15
15
15
15
16
16
17
17
17
17
17
17
17
17
16
15
16
15
16
15
15

Feels Like (°C)

11
10
13
12
11
11
11
11
16
17
17
19
20
22
15
16
17
17
16
17
15
15
14
14

Dew Point (°C)

8
8
7
6
5
5
5
5
6
7
8
11
13
16
15
15
14
14
14
16
15
15
15
14

Relative Humidity (%)

74
69
62
54
49
48
48
47
50
54
57
66
78
90
87
87
85
89
92
98
96
98
100
96

Pressure (mb)

1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1010
1010

Ozone (du)

306
306
305
303
302
302
303
303
302
301
300
300
299
298
298
298
298
299
300
301
302
303
304
304

Wednesday 2

Waning Gibbous 61%

21:36

12:49

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

Sun - Rise: 06:18, Set: 19:31, Transit: 12:54. Moon - Rise: 21:36, Set: 12:49. Civil Dark: 20:02 - 05:47. Nautical Dark: 20:39 - 05:10. Astro Dark: 21:19 - 04:30

Total Clouds (% Sky Obscured)

90
94
95
96
97
98
100
100
100
100
98
97
96
97
99
100
96
92
90

Low Clouds (% Sky Obscured)

66
77
86
95
97
98
100
100
100
100
98
97
96
96
97
98
94
90
86

Medium Clouds (% Sky Obscured)

25
33
42
53
50
48
44
37
22
4
3
1
0
0
30
35
36
32
31

High Clouds (% Sky Obscured)

67
68
65
44
11
7
3
2
0
0
0
0
0
0
0
0
12
25
39

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
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

Precipitation Probability (%)

4
10
12
11
36
46
50
55
62
69
78
80
78
82
84
86
91
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.3
0.3
0.4
0.5
0.4
0.4
0.4
0.5
0.5
0.7
1.1
1.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
15
15
16
16
16
17
17
17
17
16
16
16
15
15
15
15
15

Relative Humidity (%)

96
95
92
89
89
90
92
95
95
95
95
98
98
100
100
100
98
100
100

Pressure (mb)

1010
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1010
1010

Ozone (du)

305
305
305
306
306
307
307
308
309
309
309
309
308
308
308
308
307
307
308

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

Generated: 27/08/26 07:31:58. Forecast: 27/08/26 to 02/09/26. Timezone: UTC-4.00