Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 22

Waxing Gibbous 77%

17:45

00:50

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

Sun - Rise: 06:03, Set: 19:46, Transit: 12:54. Moon - Rise: 17:45, Set: 00:50. Civil Dark: 20:20 - 05:31. Nautical Dark: 20:58 - 04:52. Astro Dark: 21:41 - 04:10

Total Clouds (% Sky Obscured)

36
50
55
92
100
64
52
42
43
41
71
97
100
98
100
98
97
96
94
100
89
59
56
52

Low Clouds (% Sky Obscured)

36
4
5
10
3
25
25
35
43
40
49
40
59
70
62
61
52
38
44
56
60
59
56
52

Medium Clouds (% Sky Obscured)

33
27
26
24
26
27
23
22
19
16
18
28
43
51
99
96
92
93
77
75
57
33
35
27

High Clouds (% Sky Obscured)

15
2
22
66
100
64
21
1
2
2
50
97
99
84
47
51
81
60
0
0
0
10
27
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
3
9
8
3
2
2
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
43
93
93
65
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.7
0
0.8
1.2
1.5
1.5
1.1

Wind Speed/Direction (mph)

3
2
3
9
8
7
5
5
5
5
6
6
7
7
8
8
7
8
4
5
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
19
18
16
16
15
17
17
17
16
16
16
17
18
20
22
23
23
25
24
23
22
23
22

Dew Point (°C)

15
12
9
8
8
9
11
12
13
13
14
14
14
14
15
15
16
19
22
20
19
18
18
18

Relative Humidity (%)

64
57
49
48
49
55
67
73
79
83
89
87
78
72
66
60
61
74
92
80
80
84
85
88

Pressure (mb)

1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1011
1011
1011
1010
1010
1010
1009
1008
1008
1008
1007
1007
1007
1007

Ozone (du)

319
320
321
322
322
322
322
322
322
322
322
322
319
318
317
315
317
318
321
321
317
318
318
319

Sunday 23

Waxing Gibbous 84%

18:19

01:52

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 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:04, Set: 19:44, Transit: 12:54. Moon - Rise: 18:19, Set: 01:52. Civil Dark: 20:18 - 05:32. Nautical Dark: 20:56 - 04:54. Astro Dark: 21:38 - 04:12

Total Clouds (% Sky Obscured)

45
46
41
30
39
41
38
39
38
52
69
50
35
67
49
63
91
98
69
81
100
67
87
91

Low Clouds (% Sky Obscured)

45
46
41
30
39
41
38
39
38
51
59
48
35
65
49
51
53
59
40
72
66
21
25
26

Medium Clouds (% Sky Obscured)

17
16
12
0
0
0
0
0
0
0
0
0
3
3
3
12
37
64
69
65
100
54
73
41

High Clouds (% Sky Obscured)

0
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
21
6
2
100
1
14
72

ISS Passover

Visibility (miles)

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

Fog (%)

85
13
1
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
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

95
95
93
44
47
37
14
5
0
0
0
11
3
28
34
52
51
63
64
60
48
36
42
11

Precipitation Amount (mm)

1.2
0.8
0.6
0
0.3
0
0
0
0
0
0
0
0
0
0
0.3
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
96
96
96
96
96
96
96
96
96
95
90
82
79
69
69
66
73
66
61
79
77
80

Pressure (mb)

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

Ozone (du)

318
316
316
318
319
319
323
327
333
342
344
344
340
338
337
338
340
342
348
354
355
360
355
352

Monday 24

Waxing Gibbous 91%

18:47

02:59

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
19 Bad

Sun - Rise: 06:05, Set: 19:43, Transit: 12:54. Moon - Rise: 18:47, Set: 02:59. Civil Dark: 20:16 - 05:34. Nautical Dark: 20:54 - 04:55. Astro Dark: 21:36 - 04:14

Total Clouds (% Sky Obscured)

96
62
55
57
58
96
100
100
100
99
94
91
87
87
100
98
100
100
71
85
98
99
99
99

Low Clouds (% Sky Obscured)

47
61
40
57
58
91
83
83
76
67
63
60
59
61
54
74
65
69
52
43
33
33
21
19

Medium Clouds (% Sky Obscured)

43
40
39
38
37
33
34
87
85
90
59
77
81
74
49
30
15
1
11
21
45
34
32
42

High Clouds (% Sky Obscured)

96
60
55
57
58
60
64
68
100
70
11
25
23
2
62
62
90
54
57
62
92
96
92
89

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
9
9
9
9
3
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
Light Rain
Light Rain
None

Precipitation Probability (%)

33
38
24
23
56
62
84
95
84
50
51
54
46
46
57
74
62
54
46
51
50
80
82
41

Precipitation Amount (mm)

0
0
0
0
0.3
0.3
0.8
1.1
0.5
0
0
0
0
0
0.3
0.5
0.3
0
0
0
0
0.5
0.5
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
89
92
93
95
93
95
93
93
96
96
96
96
93
88
85
86
79
67
64
64
79
81

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010

Ozone (du)

348
347
346
346
345
342
338
337
337
336
336
335
334
334
336
336
336
335
336
338
335
335
336
336

Tuesday 25

Waxing Gibbous 96%

19:09

04:09

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 OK
09 Good
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 OK
18 OK
19 OK

Sun - Rise: 06:06, Set: 19:41, Transit: 12:54. Moon - Rise: 19:09, Set: 04:09. Civil Dark: 20:14 - 05:35. Nautical Dark: 20:52 - 04:57. Astro Dark: 21:34 - 04:16

Total Clouds (% Sky Obscured)

82
95
93
89
73
77
55
55
88
76
56
42
22
18
38
52
50
75
57
44
30
31
38
39

Low Clouds (% Sky Obscured)

26
34
40
29
17
4
12
16
38
38
34
25
12
17
29
40
50
64
43
21
0
0
0
0

Medium Clouds (% Sky Obscured)

35
31
35
32
30
26
26
29
28
17
10
2
1
1
0
0
0
0
0
0
0
1
2
3

High Clouds (% Sky Obscured)

56
60
40
29
14
32
5
3
1
15
25
4
1
1
1
25
1
0
24
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 (%)

33
27
14
14
10
2
2
1
0
0
1
0
0
0
1
4
20
16
5
2
2
1
1
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
6
6
5
5
5
5
5
5
4
5
6
7
8
8
9
8
9
8
8
8
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
90
90
89
90
90
93
93
93
93
95
93
92
83
73
67
60
55
64
51
56
64
67
67

Pressure (mb)

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

Ozone (du)

336
335
335
335
334
333
332
333
332
332
332
332
332
332
331
329
330
328
328
327
325
324
323
323

Wednesday 26

Waxing Gibbous 99%

19:29

05:20

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

Sun - Rise: 06:08, Set: 19:39, Transit: 12:53. Moon - Rise: 19:29, Set: 05:20. Civil Dark: 20:12 - 05:36. Nautical Dark: 20:50 - 04:58. Astro Dark: 21:31 - 04:18

Total Clouds (% Sky Obscured)

29
23
26
26
15
3
26
46
65
69
79
77
59
39
18
38
66
94
94
92
88
89
94
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
16
33
49
33
20
7
5
2
0
2
5
7
5
2
0
8
16
24

Medium Clouds (% Sky Obscured)

3
1
0
0
0
0
0
0
0
2
4
6
8
11
11
27
45
63
49
34
18
39
61
81

High Clouds (% Sky Obscured)

0
1
1
1
1
1
23
44
63
69
79
77
59
33
11
31
48
65
74
80
80
86
93
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
8
6

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
14
25
37

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

Chance of Frost

Temperature (°C)

19
18
16
15
15
14
13
13
12
12
13
14
15
18
21
23
25
26
27
27
27
28
26
25

Feels Like (°C)

18
16
16
14
14
14
13
13
14
13
13
14
17
18
19
21
21
22
23
28
27
27
27
27

Dew Point (°C)

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

Relative Humidity (%)

70
73
74
74
75
83
89
90
90
90
92
90
79
70
63
57
53
50
47
50
52
55
61
68

Pressure (mb)

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

Ozone (du)

322
322
320
318
316
315
313
312
310
311
312
312
312
311
310
309
308
307
306
307
307
307
307
307

Thursday 27

Waxing Gibbous 100%

19:46

06:30

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
19 OK

Sun - Rise: 06:09, Set: 19:37, Transit: 12:53. Moon - Rise: 19:46, Set: 06:30. Civil Dark: 20:10 - 05:38. Nautical Dark: 20:48 - 05:00. Astro Dark: 21:29 - 04:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
89
83
82
77
66
57
39
22
5

Low Clouds (% Sky Obscured)

29
35
41
54
66
78
81
85
84
82
82
78
75
74
73
67
61
54
58
61
57
39
22
0

Medium Clouds (% Sky Obscured)

82
88
97
86
77
68
58
49
41
43
51
56
60
55
40
27
16
7
12
19
25
17
11
4

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
96
80
80
83
82
76
54
34
21
11
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

62
82
95
95
95
89
79
68
55
63
66
65
77
85
90
93
95
95
95
95
95
85
62
18

Precipitation Amount (mm)

0.2
0.5
0.8
0.8
0.7
0.6
0.4
0.3
0
0.3
0.3
0.3
0.4
0.5
0.5
0.6
0.7
0.8
0.8
0.8
0.7
0.4
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
22
21
20
20
20
19
19
19
19
19
19
19
20
21
22
22
22
22
22
22
23
21
20

Feels Like (°C)

28
22
23
23
22
22
21
20
19
19
18
18
18
19
19
18
20
21
22
22
22
23
24
24

Dew Point (°C)

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

Relative Humidity (%)

75
81
88
95
93
93
93
93
92
92
92
92
92
86
80
74
79
84
88
84
79
75
77
81

Pressure (mb)

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

Ozone (du)

306
307
308
309
309
310
311
311
312
313
315
316
318
319
320
321
321
320
320
321
322
323
324
325

Friday 28

Full Moon 99%

20:03

07:41

20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK
13 OK

Sun - Rise: 06:10, Set: 19:35, Transit: 12:53. Moon - Rise: 20:03, Set: 07:41. Civil Dark: 20:08 - 05:39. Nautical Dark: 20:46 - 05:01. Astro Dark: 21:26 - 04:21

Total Clouds (% Sky Obscured)

16
27
39
45
45
41
53
67
83
79
76
69
48
30
19
23
23
25

Low Clouds (% Sky Obscured)

0
0
0
2
3
32
53
55
48
40
32
26
18
11
4
4
8
10

Medium Clouds (% Sky Obscured)

8
10
16
12
12
12
18
25
35
42
55
55
38
28
17
23
23
25

High Clouds (% Sky Obscured)

0
0
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

Fog (%)

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

Precipitation Probability (%)

17
11
0
0
0
0
1
1
0
15
21
24
21
18
12
16
18
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
17
16
15
14
14
13
12
12
13
13
14
16
18
20
21
22

Feels Like (°C)

24
18
18
18
17
16
16
14
14
14
14
14
14
16
17
17
18
19

Dew Point (°C)

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

Relative Humidity (%)

84
83
85
85
83
82
80
83
84
86
81
75
71
63
56
49
48
47

Pressure (mb)

1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1020
1021
1021
1021
1021
1020
1020

Ozone (du)

326
326
325
325
326
327
327
328
328
328
328
328
327
329
330
332
332
332

Forecast for Sorel-Tracy, Montérégie, Canada (46.04,-73.11)

Generated: 22/08/26 20:38:50. Forecast: 22/08/26 to 28/08/26. Timezone: UTC-4.00