Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Gibbous 68%

16:57

00:02

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

Sun - Rise: 06:03, Set: 19:48, Transit: 12:55. Moon - Rise: 16:57, Set: 00:02. Civil Dark: 20:19 - 05:32. Nautical Dark: 20:57 - 04:54. Astro Dark: 21:39 - 04:13

Total Clouds (% Sky Obscured)

15
12
9
0
0
0
0
0
0
0
0
11
0
0
5
13
0
9
31
52
40
48
35
35

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
11
0
0
0
13
0
0
0
52
31
48
35
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
0
0
6
22
30
21
23
20
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

21
18
16
16
15
15
14
14
14
14
14
14
14
17
19
21
22
24
25
25
26
26
26
25

Feels Like (°C)

22
19
17
17
17
17
16
15
15
15
15
15
16
17
20
21
23
25
26
27
27
28
29
28

Dew Point (°C)

14
12
11
12
11
11
11
11
11
11
11
11
11
12
13
14
14
15
15
15
14
14
16
18

Relative Humidity (%)

66
69
72
73
74
76
78
80
80
82
83
83
80
72
67
64
61
57
53
51
49
49
53
63

Pressure (mb)

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

Ozone (du)

324
325
324
324
323
322
322
320
320
320
320
321
321
320
319
320
320
321
321
323
326
325
326
326

Saturday 22

Waxing Gibbous 77%

17:40

00:56

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

Sun - Rise: 06:04, Set: 19:46, Transit: 12:54. Moon - Rise: 17:40, Set: 00:56. Civil Dark: 20:17 - 05:33. Nautical Dark: 20:55 - 04:56. Astro Dark: 21:36 - 04:15

Total Clouds (% Sky Obscured)

30
57
78
55
57
47
53
46
6
12
11
31
54
70
94
74
72
77
94
96
72
58
37
46

Low Clouds (% Sky Obscured)

30
50
45
28
0
0
0
9
0
0
0
10
35
30
80
54
53
41
43
34
42
42
22
36

Medium Clouds (% Sky Obscured)

18
22
25
25
11
11
19
13
3
4
4
17
40
62
41
59
55
70
87
93
62
38
22
16

High Clouds (% Sky Obscured)

1
4
48
5
45
35
36
30
2
8
4
18
32
25
25
25
25
25
13
35
0
0
0
22

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
4
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
Light Rain
Light Rain
None
None
None
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
10
29
38
32
95
72
48
51
41
83

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.4
0
0
0
0.7

Wind Speed/Direction (mph)

6
5
5
5
5
6
6
6
6
6
6
6
6
7
9
11
12
11
11
12
10
11
11
11

Chance of Frost

Temperature (°C)

24
22
21
20
20
20
19
19
18
18
17
17
18
19
20
21
22
22
24
23
21
22
22
22

Feels Like (°C)

26
23
20
20
19
18
18
17
17
17
17
17
17
17
19
20
20
21
22
22
21
21
21
22

Dew Point (°C)

17
16
16
16
15
15
15
15
15
15
15
15
15
16
17
17
18
20
20
22
20
18
18
19

Relative Humidity (%)

67
69
73
75
74
72
76
78
81
83
85
85
85
81
81
75
79
85
79
92
89
79
78
81

Pressure (mb)

1013
1013
1013
1013
1013
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010
1009
1009
1009
1008
1008
1008
1007
1007
1007

Ozone (du)

325
323
322
324
324
322
324
324
324
322
321
320
321
321
319
320
319
318
319
319
322
323
322
323

Sunday 23

Waxing Gibbous 84%

18:15

01:57

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

Sun - Rise: 06:06, Set: 19:45, Transit: 12:54. Moon - Rise: 18:15, Set: 01:57. Civil Dark: 20:16 - 05:35. Nautical Dark: 20:53 - 04:57. Astro Dark: 21:34 - 04:17

Total Clouds (% Sky Obscured)

27
29
40
18
17
39
30
19
15
20
25
17
4
15
35
47
47
84
83
86
68
100
94
83

Low Clouds (% Sky Obscured)

25
29
40
18
13
17
14
19
15
20
25
17
4
15
35
47
44
46
61
40
37
66
27
52

Medium Clouds (% Sky Obscured)

5
0
0
0
1
20
16
3
0
1
1
6
0
0
20
18
23
68
46
21
12
18
67
60

High Clouds (% Sky Obscured)

4
0
0
0
2
23
10
0
0
0
0
0
0
0
0
0
4
50
51
61
43
83
76
28

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
3
6
2
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
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

46
50
39
28
29
25
10
15
28
22
14
13
3
7
31
68
81
69
58
69
83
93
94
85

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
8
7
7
6
5
5
5
5
5
4
4
3
4
5
5
6
7
6
5
5
5
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
20
20
20
20
19
18
18
17
18
18
18
19
20
21
22
22
22
21
22
22
24
20
19

Dew Point (°C)

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

Relative Humidity (%)

84
84
86
91
92
92
90
89
90
90
90
89
87
83
80
71
74
75
73
67
62
60
74
81

Pressure (mb)

1007
1008
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009

Ozone (du)

323
324
326
328
328
329
332
334
336
337
339
342
346
348
347
348
345
345
349
350
350
346
340
341

Monday 24

Waxing Gibbous 91%

18:44

03:03

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 06:07, Set: 19:43, Transit: 12:54. Moon - Rise: 18:44, Set: 03:03. Civil Dark: 20:14 - 05:36. Nautical Dark: 20:51 - 04:59. Astro Dark: 21:32 - 04:18

Total Clouds (% Sky Obscured)

83
88
95
100
98
96
93
88
83
80
78
86
92
93
94
94
91
90
79
70
57
49
57
79

Low Clouds (% Sky Obscured)

75
73
77
78
75
75
78
75
77
78
63
79
87
89
89
89
79
68
47
43
35
28
27
40

Medium Clouds (% Sky Obscured)

59
59
77
78
79
81
82
81
76
63
26
26
28
76
49
43
50
76
39
27
19
10
11
16

High Clouds (% Sky Obscured)

32
58
82
100
84
65
25
3
1
0
0
0
0
0
0
0
0
0
0
1
2
3
2
22

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

70
63
61
67
89
95
95
95
95
94
49
37
51
56
40
39
52
60
70
66
59
58
59
39

Precipitation Amount (mm)

0.4
0.3
0.3
0.3
0.6
1.1
2.6
2
1.5
0.7
0
0
0
0.3
0
0
0.2
0.3
0.5
0.4
0.3
0.3
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
85
86
90
93
95
96
95
96
93
90
92
95
95
95
90
89
86
79
77
76
81
82

Pressure (mb)

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

Ozone (du)

342
342
341
341
342
342
343
343
343
344
349
349
346
342
341
340
340
340
342
343
342
339
338
338

Tuesday 25

Waxing Gibbous 96%

19:07

04:12

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 OK
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

Sun - Rise: 06:08, Set: 19:41, Transit: 12:54. Moon - Rise: 19:07, Set: 04:12. Civil Dark: 20:12 - 05:37. Nautical Dark: 20:49 - 05:00. Astro Dark: 21:30 - 04:20

Total Clouds (% Sky Obscured)

90
89
88
90
72
56
50
41
35
31
41
58
63
60
57
51
49
48
46
48
49
50
54
58

Low Clouds (% Sky Obscured)

34
35
36
39
40
41
34
29
20
15
33
58
63
60
57
51
49
48
39
38
37
36
30
20

Medium Clouds (% Sky Obscured)

21
27
34
36
29
27
24
19
14
10
7
3
0
0
0
0
3
5
7
11
15
19
18
16

High Clouds (% Sky Obscured)

35
34
27
35
12
2
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
14
44

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 (%)

24
19
7
10
4
6
1
2
2
0
0
0
1
4
4
2
15
19
22
18
14
3
2
1

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)

9
7
7
6
6
6
5
5
4
3
3
2
2
2
3
4
4
4
4
4
5
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
15
15
15
16
16
17
16
16
16
16
16
16
17
18
19
19
20
20
26
25
25
24

Dew Point (°C)

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

Relative Humidity (%)

83
85
86
86
89
90
92
92
92
92
92
90
89
86
82
77
72
69
66
63
63
63
63
66

Pressure (mb)

1013
1014
1014
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015

Ozone (du)

335
334
333
333
332
331
330
330
332
333
334
333
329
327
325
324
322
321
320
318
317
316
314
312

Wednesday 26

Waxing Gibbous 99%

19:07

05:22

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 06:09, Set: 19:39, Transit: 12:53. Moon - Rise: 19:07, Set: 05:22. Civil Dark: 20:10 - 05:39. Nautical Dark: 20:47 - 05:01. Astro Dark: 21:27 - 04:22

Total Clouds (% Sky Obscured)

67
81
90
85
90
95
100
100
100
100
82
65
48
62
77
88
86
88
86
90
95
100
99
98

Low Clouds (% Sky Obscured)

7
6
6
7
9
8
7
8
9
10
8
4
0
0
0
0
2
4
4
7
9
12
27
43

Medium Clouds (% Sky Obscured)

14
15
17
19
23
29
34
43
53
59
52
47
37
36
34
31
25
23
19
17
16
16
24
32

High Clouds (% Sky Obscured)

67
81
72
58
72
86
95
88
87
90
60
35
14
36
61
88
85
80
74
83
91
100
99
98

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
1
2
2
4
4
1
1
1
0
0
0
0
4
7
8
26
29

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
3
3
4
4
5
5
5
5
5
6
6
7
7
9
11
13
13
13
13
13
12
12
12

Chance of Frost

Temperature (°C)

21
20
20
19
18
18
18
18
18
18
18
18
19
19
21
22
23
24
25
26
27
27
27
26

Feels Like (°C)

25
25
22
22
22
21
21
20
19
18
18
17
18
17
19
19
19
19
20
20
26
25
25
25

Dew Point (°C)

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

Relative Humidity (%)

72
76
77
80
81
81
81
81
81
79
79
78
78
78
74
69
65
63
62
60
60
60
60
61

Pressure (mb)

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

Ozone (du)

311
309
308
308
308
307
307
306
306
306
306
306
307
307
307
307
307
307
307
307
308
308
309
309

Thursday 27

Waxing Gibbous 100%

19:27

06:32

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 06:10, Set: 19:38, Transit: 12:53. Moon - Rise: 19:27, Set: 06:32. Civil Dark: 20:08 - 05:40. Nautical Dark: 20:45 - 05:03. Astro Dark: 21:25 - 04:23

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

61
43
24
8
14
20
24
39
52
63
72
80
86
89
91
93
88
83
79

Medium Clouds (% Sky Obscured)

40
49
58
68
72
78
82
83
76
71
58
49
40
38
32
27
32
37
43

High Clouds (% Sky Obscured)

97
98
99
100
100
100
100
100
100
100
100
100
100
95
89
84
81
72
66

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
9

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
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

Precipitation Probability (%)

20
28
28
25
68
86
92
94
95
95
95
95
95
86
81
77
82
86
86

Precipitation Amount (mm)

0
0
0
0
0.3
0.5
0.5
0.6
0.7
0.9
0.8
0.7
0.5
0.5
0.5
0.5
0.6
0.6
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
25
24
23
23
22
22
21
21
21
21
21
21
21
21
22
22
22
23

Feels Like (°C)

25
25
22
22
21
21
21
22
18
19
19
19
19
19
20
22
23
23
23

Dew Point (°C)

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

Relative Humidity (%)

63
65
69
72
76
81
87
92
92
94
93
93
94
94
94
94
94
89
87

Pressure (mb)

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

Ozone (du)

309
309
309
308
307
307
307
307
307
307
308
309
311
312
314
315
317
318
319

Forecast for Venise-en-Québec, Montérégie, Canada (45.08,-73.14)

Generated: 21/08/26 19:23:58. Forecast: 21/08/26 to 27/08/26. Timezone: UTC-4.00