Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Gibbous 68%

16:15

23:57

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

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)

6
38
4
5
78
68
46
64
51
53
38
60
59
45
32
23
5
2
1
0
0
0
31
40

Low Clouds (% Sky Obscured)

0
0
0
0
19
8
21
0
6
10
1
9
5
5
5
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
40
44
29
39
24
24
15
27
17
8
1
1
2
2
1
0
0
0
1
0

High Clouds (% Sky Obscured)

3
10
4
5
35
38
1
1
0
0
2
0
2
38
32
23
2
0
0
0
0
0
22
30

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

Chance of Frost

Temperature (°C)

7
8
11
14
17
18
19
19
20
20
20
19
19
17
13
12
12
12
11
11
10
10
10
10

Feels Like (°C)

7
8
11
13
16
17
19
20
21
21
21
20
19
16
12
11
11
13
12
12
11
11
10
9

Dew Point (°C)

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

Relative Humidity (%)

82
78
63
51
44
37
36
34
33
33
34
35
52
66
70
76
81
81
77
77
76
74
74
74

Pressure (mb)

1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1020
1020
1020

Ozone (du)

325
328
329
328
328
326
323
322
322
322
322
323
323
324
326
325
324
323
321
319
321
319
319
319

Saturday 22

Waxing Gibbous 77%

17:07

00:50

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 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)

30
50
81
100
100
58
63
61
90
97
74
79
41
38
64
79
80
95
73
77
63
76
82
89

Low Clouds (% Sky Obscured)

0
0
0
0
30
0
0
0
0
41
0
0
1
4
37
70
59
80
49
20
23
38
61
78

Medium Clouds (% Sky Obscured)

0
0
0
4
21
2
3
5
49
62
6
5
6
28
40
37
28
23
20
5
61
70
66
67

High Clouds (% Sky Obscured)

30
47
80
100
100
56
63
61
90
91
48
48
21
4
5
40
41
72
30
67
27
35
39
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
4
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
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
1
13
8
2
0
0
0
0
0
1
1
1
3
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)

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

Chance of Frost

Temperature (°C)

10
11
14
16
17
19
19
21
21
21
22
21
20
19
17
16
16
16
16
16
15
14
14
14

Feels Like (°C)

8
10
13
14
15
16
17
18
18
19
20
21
22
20
19
17
15
15
15
16
14
13
13
13

Dew Point (°C)

6
7
9
8
8
8
7
8
9
11
11
11
14
15
15
13
12
14
14
15
14
13
14
14

Relative Humidity (%)

76
76
68
60
54
50
45
45
46
51
52
54
67
77
87
86
78
85
89
96
98
96
98
98

Pressure (mb)

1020
1020
1020
1019
1019
1019
1018
1017
1017
1016
1015
1015
1015
1014
1014
1015
1014
1014
1014
1013
1013
1013
1012
1012

Ozone (du)

319
319
319
319
320
322
320
318
318
319
320
319
320
320
319
318
317
316
317
317
315
315
316
315

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)

99
100
98
98
98
97
95
97
92
99
78
76
62
61
77
80
83
78
74
66
77
94
100
100

Low Clouds (% Sky Obscured)

83
93
88
93
84
92
88
95
85
84
64
63
62
60
77
80
83
78
70
59
73
94
100
100

Medium Clouds (% Sky Obscured)

93
82
87
64
88
68
80
35
38
34
3
28
0
0
0
0
0
0
0
0
8
17
25
31

High Clouds (% Sky Obscured)

90
100
55
13
4
32
20
5
3
31
40
0
0
0
0
0
0
0
0
0
0
0
0
17

ISS Passover

Visibility (miles)

0
0
0
0
0
2
9
6
6
2
5
6
8
9
9
9
9
9
9
9
1
0
0
2

Fog (%)

1
81
2
0
0
0
0
0
0
0
0
0
0
86
70
70
70
70
70
70
70
70
70
70

Precipitation Type

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

Precipitation Probability (%)

19
73
53
49
29
43
38
63
95
95
81
95
83
48
10
4
4
3
5
14
11
14
14
21

Precipitation Amount (mm)

0
0.5
0
0
0
0
0
0.3
0.9
0.6
0.2
2
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
15
16
16
16
15
14
18
18
18
17
17
16
16
15
14
14
14
14
14
14
14
13

Relative Humidity (%)

96
96
98
100
98
96
88
81
96
98
100
90
96
96
98
95
95
93
93
98
100
100
98
98

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1009
1009
1009
1008
1008
1008
1008
1008
1008

Ozone (du)

318
320
321
324
323
324
323
322
324
324
327
328
332
332
332
334
336
339
339
340
338
338
339
341

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 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 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)

100
100
100
100
100
100
100
100
97
95
93
91
89
86
70
57
38
36
30
23
45
67
90
93

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
92
83
76
68
55
41
30
23
11
9
7
5
23
39
57
55

Medium Clouds (% Sky Obscured)

37
43
47
51
52
53
54
52
64
50
83
82
80
78
67
47
10
31
14
23
45
67
75
69

High Clouds (% Sky Obscured)

30
45
39
24
8
6
3
0
0
0
5
2
35
40
14
1
25
25
18
23
33
41
26
51

ISS Passover

Visibility (miles)

9
9
3
4
9
9
9
9
9
9
9
9
9
9
6
9
9
9
8
5
9
2
0
0

Fog (%)

70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70

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 (%)

18
12
10
16
8
15
10
15
11
13
28
31
35
47
36
25
13
10
6
18
16
13
9
18

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
95
93
89
87
83
75
79
78
90
87
89
98
98
96
98
98
98
98
98
98
100

Pressure (mb)

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

Ozone (du)

344
342
343
343
345
345
345
347
349
351
347
343
342
339
341
344
341
340
339
335
334
333
333
333

Tuesday 25

Waxing Gibbous 96%

18:51

04:10

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 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:07, Set: 19:46, Transit: 12:56. Moon - Rise: 18:51, Set: 04:10. Civil Dark: 20:17 - 05:36. Nautical Dark: 20:56 - 04:58. Astro Dark: 21:38 - 04:16

Total Clouds (% Sky Obscured)

97
100
96
92
87
91
94
97
98
99
100
91
82
73
58
45
34
53
55
58
57
55
55
60

Low Clouds (% Sky Obscured)

54
52
53
53
57
67
74
78
75
70
70
77
79
73
58
45
34
53
55
55
46
48
53
35

Medium Clouds (% Sky Obscured)

64
100
93
68
62
78
80
83
68
91
49
80
70
54
48
44
34
30
19
7
7
8
11
18

High Clouds (% Sky Obscured)

75
100
78
28
6
5
6
4
40
69
93
66
36
8
12
12
9
8
4
0
0
0
0
7

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
4
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6

Fog (%)

70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70

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 (%)

17
12
24
30
22
24
25
13
19
19
2
3
3
15
17
14
4
8
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
98
98
98
98
98
98
95
95
98
98
96
96
95
93
90
93
95
98

Pressure (mb)

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

Ozone (du)

335
336
336
336
334
333
333
332
332
332
333
334
333
333
332
332
332
333
330
328
326
325
325
325

Wednesday 26

Waxing Gibbous 99%

19:13

05:21

06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
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: 06:08, Set: 19:44, Transit: 12:56. Moon - Rise: 19:13, Set: 05:21. Civil Dark: 20:15 - 05:38. Nautical Dark: 20:54 - 04:59. Astro Dark: 21:36 - 04:18

Total Clouds (% Sky Obscured)

64
67
52
40
27
30
35
37
33
29
25
47
68
87
85
84
83
89
94
100
100
100
100
99

Low Clouds (% Sky Obscured)

18
0
3
2
1
9
16
21
24
24
22
22
27
34
27
19
11
15
18
25
24
15
0
7

Medium Clouds (% Sky Obscured)

25
29
23
13
7
10
14
17
13
7
0
13
19
24
26
30
31
29
32
31
30
29
28
46

High Clouds (% Sky Obscured)

9
7
1
1
0
0
0
0
0
0
0
26
47
70
55
41
26
51
75
100
100
100
100
98

ISS Passover

Visibility (miles)

7
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70

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
2
2
0
1
1
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
5
6
7
7
7
7
7
7
7
6
4
3
3
3
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
11
14
14
15
15
15
16
23
23
22
22
23
23
15
15
16
16
15
15
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

96
95
92
77
65
56
49
44
39
41
42
44
53
64
78
82
87
92
90
87
87
87
89
89

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

325
325
325
325
324
324
323
322
320
319
317
316
314
312
310
310
309
309
308
307
306
307
308
308

Thursday 27

Waxing Gibbous 100%

19:32

No Set

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: 06:09, Set: 19:42, Transit: 12:56. Moon - Rise: 19:32, Set: No Set. Civil Dark: 20:13 - 05:39. Nautical Dark: 20:52 - 05:01. Astro Dark: 21:33 - 04:20

Total Clouds (% Sky Obscured)

98
97
96
95
93
93
94
95
97
99
99
98
98
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

14
21
16
13
18
33
44
55
62
61
58
48
37
29
42
59
69
74
77
79

Medium Clouds (% Sky Obscured)

64
83
77
72
64
53
48
48
38
30
29
51
67
81
81
81
80
63
44
24

High Clouds (% Sky Obscured)

96
94
80
67
59
69
77
83
88
94
96
90
84
82
81
84
89
83
70
52

ISS Passover

Visibility (miles)

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

Fog (%)

70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
4
5
5
10
9
2
21
29
37
38
36
27
29
26
10
25
30
29

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
12
17
18
19
18
18
17
22
22
22
20
19
18
15
15
15
15
15

Dew Point (°C)

11
11
11
13
14
15
15
15
14
16
18
20
18
17
16
16
15
15
15
15

Relative Humidity (%)

84
80
75
76
73
74
69
65
61
72
84
96
96
98
98
98
98
100
100
98

Pressure (mb)

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

Ozone (du)

308
309
309
310
310
311
310
309
309
308
308
308
309
310
310
311
311
312
311
311

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

Generated: 21/08/26 06:32:27. Forecast: 21/08/26 to 27/08/26. Timezone: UTC-4.00