Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waxing Crescent 38%

12:58

22:10

06 Bad
07 Bad
08 Bad
09 OK
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

Sun - Rise: 05:59, Set: 19:58, Transit: 12:58. Moon - Rise: 12:58, Set: 22:10. Civil Dark: 20:31 - 05:27. Nautical Dark: 21:11 - 04:47. Astro Dark: 21:55 - 04:03

Total Clouds (% Sky Obscured)

63
61
57
42
100
100
99
97
100
92
87
98
86
78
50
63
40
89
84
63
98
100
100
100

Low Clouds (% Sky Obscured)

45
35
30
42
67
55
81
43
48
68
39
52
49
0
0
0
0
0
24
2
25
30
15
25

Medium Clouds (% Sky Obscured)

0
0
0
39
32
54
50
35
33
25
22
12
14
29
16
21
0
61
38
34
43
56
60
100

High Clouds (% Sky Obscured)

0
2
10
42
100
100
71
75
72
27
7
69
38
50
36
40
40
67
65
42
68
100
100
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 (%)

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
3
9
3
1
0
0
0
1
2
8
0
0
0
0
0
0
0
0
2
6
23

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

Chance of Frost

Temperature (°C)

10
11
13
16
19
20
20
19
19
21
20
20
20
18
16
15
15
14
14
15
16
15
14
15

Feels Like (°C)

10
11
13
16
19
20
19
18
18
21
19
20
19
19
16
15
14
13
14
15
16
14
14
15

Dew Point (°C)

7
8
10
12
13
13
10
7
9
13
8
12
14
14
15
14
13
13
12
14
14
12
12
13

Relative Humidity (%)

81
83
80
77
70
65
53
44
49
61
46
60
67
77
90
93
90
89
89
92
90
83
83
90

Pressure (mb)

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

Ozone (du)

321
320
319
319
319
321
322
325
327
328
329
331
332
329
329
328
326
326
326
327
327
325
327
330

Wednesday 19

First Quarter 48%

14:08

22:38

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 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 Good
01 OK
02 OK
03 OK
04 Good
05 OK

Sun - Rise: N/A, Set: 19:56, Transit: 12:58. Moon - Rise: 14:08, Set: 22:38. Civil Dark: 20:29 - 05:28. Nautical Dark: 21:09 - 04:48. Astro Dark: 21:53 - 04:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
64
61
64
65
68
37
27
32
32
38
25
6
31
37
33
15
33

Low Clouds (% Sky Obscured)

38
50
41
53
62
54
55
56
42
40
30
44
21
11
22
20
38
25
1
6
1
11
15
33

Medium Clouds (% Sky Obscured)

100
100
100
88
87
81
79
50
46
38
40
41
21
19
19
22
0
0
3
17
26
16
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
55
45
55
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0

ISS Passover

Visibility (miles)

9
2
2
2
9
8
4
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
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

78
95
95
95
60
62
50
25
39
22
9
10
4
2
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.6
1.5
1.7
0.6
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
4
6
6
8
8
9
9
9
8
8
6
4
3
3
4
4
3
3
3
2
3

Chance of Frost

Temperature (°C)

14
15
17
17
17
18
19
19
19
18
18
18
18
17
14
13
12
12
12
12
12
12
11
11

Feels Like (°C)

14
15
17
17
16
18
18
19
17
17
16
17
17
17
15
13
13
11
10
12
12
12
11
11

Dew Point (°C)

13
15
17
17
17
18
18
18
8
4
2
4
5
8
8
6
6
5
4
6
7
7
7
6

Relative Humidity (%)

92
96
98
100
98
98
96
92
48
38
34
38
43
57
66
64
63
60
57
70
70
73
72
71

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1010
1010
1010
1011
1011
1012
1012
1012
1013
1013
1013
1013
1014
1014

Ozone (du)

334
334
333
333
336
339
343
349
351
347
343
341
341
341
342
342
343
342
341
339
336
334
333
334

Thursday 20

Waxing Gibbous 58%

15:14

23:13

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

Sun - Rise: 06:00, Set: 19:55, Transit: 12:57. Moon - Rise: 15:14, Set: 23:13. Civil Dark: 20:27 - 05:29. Nautical Dark: 21:07 - 04:50. Astro Dark: 21:50 - 04:07

Total Clouds (% Sky Obscured)

42
67
77
69
59
59
87
77
84
76
73
63
27
31
1
0
0
0
0
0
0
0
2
5

Low Clouds (% Sky Obscured)

42
54
57
61
59
58
76
56
70
57
25
34
2
1
1
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
20
29
20
0
0
32
34
26
19
17
28
21
28
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
2
2
2
2
4
4
5
6
10
26
0
2
0
0
0
0
0
0
0
0
0
2
5

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
1
0
0
0
0
0
0
0
0
0
0
0
0
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
13
14
16
15
16
16
17
15
16
16
16
16
13
11
9
10
10
11
9
9
8
7

Dew Point (°C)

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

Relative Humidity (%)

71
70
71
64
56
42
36
38
33
36
43
47
51
56
65
72
72
77
77
77
76
77
78
78

Pressure (mb)

1014
1015
1015
1015
1015
1015
1015
1015
1014
1015
1015
1015
1016
1016
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020

Ozone (du)

333
332
332
331
331
330
329
329
329
330
332
335
340
345
342
336
333
331
328
327
327
328
326
328

Friday 21

Waxing Gibbous 68%

16:15

23:57

06 Good
07 Good
08 OK
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

Sun - Rise: 06:02, Set: 19:53, Transit: 12:57. Moon - Rise: 16:15, Set: 23:57. Civil Dark: 20:25 - 05:31. Nautical Dark: 21:05 - 04:52. Astro Dark: 21:48 - 04:09

Total Clouds (% Sky Obscured)

4
2
26
49
74
79
69
69
74
83
75
69
78
71
73
83
88
63
62
63
62
62
67
73

Low Clouds (% Sky Obscured)

0
0
3
7
12
14
18
20
16
37
30
17
15
25
18
15
5
0
0
0
0
1
12
16

Medium Clouds (% Sky Obscured)

0
0
13
29
43
43
42
39
43
43
47
39
31
23
32
41
50
45
45
44
44
43
43
44

High Clouds (% Sky Obscured)

4
2
20
39
52
56
56
56
41
27
11
30
61
62
56
46
31
21
12
2
1
1
0
2

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)

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

Chance of Frost

Temperature (°C)

9
10
12
14
16
18
19
19
20
20
20
20
19
17
15
14
13
13
13
12
12
12
11
12

Feels Like (°C)

9
10
12
13
15
17
18
19
19
20
18
18
18
18
16
15
14
13
14
13
12
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

80
76
62
53
47
42
38
35
32
31
32
36
47
64
73
76
74
70
79
81
83
81
80
79

Pressure (mb)

1021
1021
1022
1021
1021
1021
1020
1020
1020
1019
1019
1018
1019
1019
1019
1020
1020
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

330
332
333
334
337
337
337
338
337
336
335
334
336
336
335
330
329
329
328
326
325
325
325
325

Saturday 22

Waxing Gibbous 77%

17:07

00:50

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
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:03, Set: 19:51, Transit: 12:57. Moon - Rise: 17:07, Set: 00:50. Civil Dark: 20:23 - 05:32. Nautical Dark: 21:02 - 04:53. Astro Dark: 21:45 - 04:10

Total Clouds (% Sky Obscured)

82
84
89
94
97
93
91
99
100
100
100
100
100
100
100
100
100
99
99
98
89
83
75
82

Low Clouds (% Sky Obscured)

25
25
25
25
26
17
14
18
35
84
89
91
92
91
82
73
66
68
73
81
89
83
75
82

Medium Clouds (% Sky Obscured)

50
56
57
54
50
45
40
53
39
70
69
71
76
79
80
82
83
79
74
69
62
59
50
43

High Clouds (% Sky Obscured)

7
13
29
50
75
81
84
86
100
98
100
100
99
100
95
90
85
89
91
92
81
67
55
61

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
5
6
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
Light Rain

Precipitation Probability (%)

0
0
0
0
0
1
1
1
6
16
17
23
48
82
80
73
63
55
46
28
36
40
40
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.4
0.2
0
0
0
0
0
0
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
10
11
11
9
7
8
10
11
14
14
14
14
15
14
14
14
14
13
13
13
13
13

Relative Humidity (%)

80
75
72
72
67
55
46
46
48
51
67
70
73
82
93
93
95
95
95
96
96
96
96
96

Pressure (mb)

1019
1019
1019
1018
1018
1018
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1011

Ozone (du)

325
325
326
324
323
323
322
321
318
316
314
313
315
313
313
314
316
317
317
317
317
317
318
318

Sunday 23

Waxing Gibbous 84%

17:50

01:52

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
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:04, Set: 19:49, Transit: 12:57. Moon - Rise: 17:50, Set: 01:52. Civil Dark: 20:21 - 05:34. Nautical Dark: 21:00 - 04:55. Astro Dark: 21:43 - 04:12

Total Clouds (% Sky Obscured)

90
96
99
99
100
92
83
76
74
73
71
67
64
61
65
68
70
75
81
86
89
92
95
94

Low Clouds (% Sky Obscured)

90
96
93
88
84
77
68
56
65
69
71
67
64
61
65
68
70
75
81
83
80
79
81
80

Medium Clouds (% Sky Obscured)

40
34
33
26
23
35
36
26
14
10
6
13
29
40
47
51
60
65
67
73
74
74
75
69

High Clouds (% Sky Obscured)

80
92
98
99
100
69
37
6
5
5
5
10
20
20
20
25
20
20
20
20
20
20
30
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
3
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

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

Precipitation Probability (%)

95
95
95
94
49
67
76
80
66
55
48
42
35
24
41
53
64
95
95
95
95
95
95
95

Precipitation Amount (mm)

1
1.3
1.1
0.8
0
0.3
0.4
0.5
0.3
0
0
0
0
0
0
0
0.2
0.6
0.9
1.4
1.3
1.2
0.8
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
92
75
63
50
51
52
53
58
63
69
71
72
71
80
89
98
98
100
100
98
98
98

Pressure (mb)

1010
1010
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1006
1005
1005

Ozone (du)

318
318
318
318
318
317
317
317
317
317
317
316
317
318
319
322
324
326
326
326
326
327
329
330

Monday 24

Waxing Gibbous 91%

18:24

03:00

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

Sun - Rise: 06:05, Set: 19:48, Transit: 12:56. Moon - Rise: 18:24, Set: 03:00. Civil Dark: 20:19 - 05:35. Nautical Dark: 20:58 - 04:56. Astro Dark: 21:41 - 04:14

Total Clouds (% Sky Obscured)

92
90
89
88
89
92
96
100
100
100
100
99
98
97
86
72
55
53
50
47

Low Clouds (% Sky Obscured)

79
77
77
79
83
72
63
52
52
75
100
96
92
89
82
69
55
48
44
39

Medium Clouds (% Sky Obscured)

66
60
52
64
73
78
88
100
100
99
98
87
76
64
46
28
10
7
4
0

High Clouds (% Sky Obscured)

50
45
45
40
30
15
5
0
25
49
75
52
29
5
5
3
0
1
2
3

ISS Passover

Visibility (miles)

0
0
0
0
0
0
3
6
9
6
3
0
3
6
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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
84
67
44
39
40
43
43
34
24
19
12
0
1
1
0

Precipitation Amount (mm)

1.1
1.2
0.9
0.7
0.6
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
1
2
3
5
6
7
8
8
9
9
9
9
9
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
98
98
98
98
98
96
98
96
96
98
98
98
96
96
98
96
98
96

Pressure (mb)

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

Ozone (du)

331
333
334
334
335
335
334
333
331
331
330
329
334
338
342
339
335
332
330
327

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

Generated: 18/08/26 06:41:56. Forecast: 18/08/26 to 24/08/26. Timezone: UTC-4.00