Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 30

Waning Gibbous 89%

20:23

08:56

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

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)

58
85
94
78
86
97
100
30
65
69
41
17
19
26
26
16
18
21
20
16
17
16
24
27

Low Clouds (% Sky Obscured)

30
0
0
2
8
19
37
30
55
31
41
14
19
26
24
16
18
21
20
14
15
16
21
24

Medium Clouds (% Sky Obscured)

58
78
76
76
79
94
100
30
65
37
7
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

58
85
35
7
1
1
75
30
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 (%)

23
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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
5
5
6
7
10
10
14
3
1
0
3
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)

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

Chance of Frost

Temperature (°C)

11
14
15
17
18
18
19
19
19
20
19
18
16
13
12
11
10
9
9
8
8
7
6
6

Feels Like (°C)

10
14
14
15
16
16
16
16
17
18
17
16
16
14
12
11
10
9
9
9
8
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

98
92
76
60
44
38
39
42
50
54
46
55
64
75
84
88
91
93
95
95
96
94
96
94

Pressure (mb)

1017
1017
1017
1017
1016
1016
1015
1015
1015
1014
1014
1015
1016
1017
1018
1019
1020
1020
1020
1021
1021
1021
1022
1022

Ozone (du)

323
324
324
324
325
329
331
332
331
339
344
343
340
335
333
332
331
330
329
327
325
322
320
318

Monday 31

Waning Gibbous 81%

20:42

10:11

07 Good
08 OK
09 Good
10 Bad
11 Bad
12 Bad
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
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)

8
32
6
70
72
65
28
33
39
37
33
72
71
100
100
79
68
100
98
80
100
100
100
100

Low Clouds (% Sky Obscured)

5
0
2
12
24
32
28
32
35
27
23
19
18
6
13
15
15
0
0
0
0
2
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
19
61
48
78
73
81
100

High Clouds (% Sky Obscured)

3
32
4
70
65
51
3
3
0
2
4
72
66
100
100
63
37
99
97
47
100
100
100
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 (%)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
2
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
1
1
3
4
5
5
5
4
3
3
4
3
2
2
3
2
3
2
3
2
3

Chance of Frost

Temperature (°C)

6
10
13
15
16
17
19
19
20
20
20
19
17
14
12
11
12
11
11
11
11
11
11
11

Feels Like (°C)

7
11
13
16
15
16
17
19
21
20
20
21
18
15
12
11
11
10
11
11
11
10
10
10

Dew Point (°C)

5
7
7
6
5
5
4
4
5
5
5
11
13
13
11
11
11
11
11
11
10
10
10
10

Relative Humidity (%)

91
78
64
54
48
42
38
37
36
36
38
59
78
92
93
95
95
95
95
96
95
93
91
91

Pressure (mb)

1022
1022
1021
1021
1021
1020
1019
1019
1018
1018
1018
1017
1018
1018
1019
1019
1018
1018
1019
1019
1019
1018
1018
1018

Ozone (du)

316
315
315
315
316
313
311
309
306
305
303
301
301
300
300
300
299
299
298
299
300
298
300
300

Tuesday 1

Waning Gibbous 72%

21:06

11:29

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: 06:17, 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)

100
100
91
92
100
100
100
100
100
100
96
99
93
100
84
63
53
91
88
94
97
100
100
100

Low Clouds (% Sky Obscured)

5
1
0
0
1
10
1
5
78
69
90
98
85
84
82
60
39
39
39
33
30
27
81
93

Medium Clouds (% Sky Obscured)

100
100
91
92
88
93
100
99
95
100
53
43
42
40
50
21
27
22
23
17
27
25
21
22

High Clouds (% Sky Obscured)

100
100
70
70
70
99
87
100
62
72
0
0
0
52
10
2
2
50
44
63
77
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
3
7

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
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

1
15
48
40
45
30
37
44
10
4
6
4
2
6
1
5
0
0
0
0
9
45
52
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
12
12
13
12
14
14
14
14
13
12
12
12
12
12
13
13
11
10
10
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

88
83
68
62
58
57
74
76
76
80
79
78
75
75
74
78
84
89
86
84
86
87
93
98

Pressure (mb)

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

Ozone (du)

299
301
301
303
302
303
307
309
308
306
306
305
304
302
302
301
300
298
297
295
293
291
293
295

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
02 Bad
03 Bad
04 Bad
05 Bad
06 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)

100
100
100
100
100
100
100
100
100
100
100
100
100
84
82
87
100
100
100
100
95
81
81
82

Low Clouds (% Sky Obscured)

90
87
89
88
89
90
91
95
98
100
100
100
100
53
65
80
100
100
100
100
90
61
54
68

Medium Clouds (% Sky Obscured)

28
27
14
0
23
43
60
73
74
61
71
81
91
37
20
0
14
30
46
41
31
26
24
20

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
84
81
81
62
42
25
23
22
22
21
18

ISS Passover

Visibility (miles)

8
6
3
0
0
0
0
0
0
0
0
0
0
4
2
0
0
0
0
0
1
4
4
4

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

Precipitation Probability (%)

43
41
22
21
25
35
35
62
81
95
95
95
92
91
81
60
51
41
34
48
65
78
74
65

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
100
100
100
98
98
100
98
100
100
100
100
98
100
100
100
100
98
98
100
100
100
98

Pressure (mb)

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

Ozone (du)

295
295
296
296
296
295
294
293
294
294
295
295
296
298
299
302
303
303
302
302
303
303
304
305

Thursday 3

Waning Gibbous 49%

22:17

14:08

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: 06:19, Set: 19:29, Transit: 12:53. Moon - Rise: 22:17, Set: 14:08. Civil Dark: 20:00 - 05:49. Nautical Dark: 20:37 - 05:11. Astro Dark: 21:16 - 04:32

Total Clouds (% Sky Obscured)

96
81
58
48
68
70
86
90
70
85
83
92
88
84
78
71
69
69
75
76
78
84
92
97

Low Clouds (% Sky Obscured)

91
77
50
43
66
64
79
85
52
55
73
82
78
73
68
64
67
69
75
76
71
61
54
47

Medium Clouds (% Sky Obscured)

17
12
6
0
15
29
44
42
40
35
29
24
22
23
24
27
21
13
4
3
1
0
6
13

High Clouds (% Sky Obscured)

15
10
5
0
0
0
0
1
3
16
5
9
12
19
26
27
19
9
4
2
1
0
8
13

ISS Passover

Visibility (miles)

2
2
9
8
6
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

46
38
36
29
44
43
43
55
63
76
58
45
25
35
21
5
6
7
3
9
7
2
6
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.6
1
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
93
85
76
76
62
63
73
62
65
73
78
86
86
86
86
89
92
95
93
92
89
89

Pressure (mb)

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

Ozone (du)

306
307
307
308
308
308
307
307
306
306
305
306
306
307
308
309
310
310
311
311
313
314
316
316

Friday 4

Third Quarter 46%

23:11

15:22

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:21, Set: 19:27, Transit: 12:53. Moon - Rise: 23:11, Set: 15:22. Civil Dark: 19:58 - 05:50. Nautical Dark: 20:35 - 05:13. Astro Dark: 21:14 - 04:34

Total Clouds (% Sky Obscured)

100
100
100
100
99
98
97
91
85
79
64
49
35
39
42
45
58
70
80
81
81
82
85
89

Low Clouds (% Sky Obscured)

40
46
66
78
92
92
87
79
75
74
58
46
35
39
42
45
56
66
74
73
71
68
74
79

Medium Clouds (% Sky Obscured)

19
15
13
22
27
35
39
40
45
46
32
16
0
0
1
2
2
2
3
3
3
3
10
16

High Clouds (% Sky Obscured)

30
30
45
75
90
90
95
63
30
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
8
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
4
5
3
13
19
24
28
28
25
25
22
18
18
14
0
0
0
0
5
2
0
5
6

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
7
8
8
8
8
8
8
8
8
8
8
7
7
8
8
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
87
87
83
81
77
75
71
69
76
85
93
95
93
95
92
90
90
90
90
93
92

Pressure (mb)

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

Ozone (du)

315
314
312
310
308
309
310
311
310
309
309
311
313
315
315
315
315
315
316
316
317
318
319
318

Saturday 5

Waning Crescent 37%

00:19

16:24

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 OK

Sun - Rise: 06:22, Set: 19:25, Transit: 12:53. Moon - Rise: 00:19, Set: 16:24. Civil Dark: 19:56 - 05:51. Nautical Dark: 20:33 - 05:14. Astro Dark: 21:12 - 04:35

Total Clouds (% Sky Obscured)

94
95
94
93
94
97
100
97
94
91
92
92
92
81
68
52
50
53
42

Low Clouds (% Sky Obscured)

84
88
91
93
94
97
100
94
88
81
82
84
86
75
55
28
23
26
26

Medium Clouds (% Sky Obscured)

23
20
17
14
17
26
38
44
54
59
66
73
80
54
19
0
5
11
15

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
3
3
2
6
3
5
3
2
1
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

2
12
15
14
18
24
29
30
32
34
29
22
7
11
10
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
12
12
13
13
14
13
13
13
13
13
13
13
11
11
11
11
11

Dew Point (°C)

12
13
13
13
14
14
14
13
13
13
13
12
12
11
11
10
9
9
8

Relative Humidity (%)

93
93
92
92
90
90
90
89
89
87
87
87
89
90
93
95
96
96
96

Pressure (mb)

1013
1014
1014
1015
1015
1016
1016
1017
1017
1017
1018
1018
1019
1020
1020
1021
1021
1022
1022

Ozone (du)

317
317
317
318
318
319
320
321
321
321
321
320
320
320
322
324
326
326
327

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

Generated: 30/08/26 07:32:42. Forecast: 30/08/26 to 05/09/26. Timezone: UTC-4.00