Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 1

Waning Gibbous 72%

21:06

12:49

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

Sun - Rise: 06:17, Set: 19:31, Transit: 12:54. Moon - Rise: 21:06, Set: 12:49. Civil Dark: 20:02 - 05:46. Nautical Dark: 20:39 - 05:09. Astro Dark: 21:22 - 04:29

Total Clouds (% Sky Obscured)

86
57
60
78
54
39
44
48
69
100
97
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
2
1
0
3
2
0
13
29
44
51
59
66
77
92
88
92
95
77
84
75
86
90
92

Medium Clouds (% Sky Obscured)

35
2
2
4
45
32
34
27
25
23
16
0
2
1
2
55
94
100
100
100
100
100
100
78

High Clouds (% Sky Obscured)

2
6
2
0
0
0
0
0
36
100
87
100
100
100
100
100
100
100
100
100
100
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
8
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
1

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
0
5
4
0
1
17
66
95
95
95
64
91

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.9
0.9
0.7
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
11
10
9
8
9
8
9
9
8
8
10
11
12
13
13
13
14
17
15
16
17
16
16

Relative Humidity (%)

78
83
80
80
83
85
85
88
88
88
84
79
76
74
77
73
72
76
88
88
95
95
96
98

Pressure (mb)

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

Ozone (du)

313
310
309
306
305
304
303
302
300
300
300
299
298
297
297
299
299
300
300
298
298
297
295
295

Wednesday 2

Waning Gibbous 61%

21:37

14:09

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
20 Bad

Sun - Rise: 06:18, Set: 19:29, Transit: 12:54. Moon - Rise: 21:37, Set: 14:09. Civil Dark: 20:00 - 05:48. Nautical Dark: 20:37 - 05:10. Astro Dark: 21:19 - 04:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
97
97
80
67
65
63
51
56
69
70
64
53

Low Clouds (% Sky Obscured)

95
100
100
100
100
100
100
100
100
100
100
100
97
96
76
54
47
40
23
35
45
44
50
52

Medium Clouds (% Sky Obscured)

83
74
67
87
93
94
28
45
51
48
33
36
43
48
19
28
17
44
37
29
8
45
32
27

High Clouds (% Sky Obscured)

100
100
100
91
3
3
60
0
0
20
2
8
2
0
0
0
0
0
0
16
32
28
11
4

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
6
6
4
3
6
6
9
9

Fog (%)

0
0
5
16
10
21
28
14
23
34
73
52
14
12
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Light Rain
None

Precipitation Probability (%)

95
95
95
95
95
95
69
47
47
38
21
11
6
19
36
49
61
74
95
82
72
64
72
50

Precipitation Amount (mm)

0.8
0.6
0.4
1.2
1.1
0.8
0.3
0
0
0
0
0
0
0
0
0.3
0.4
0.5
1
0.3
0.2
0
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
15
15
15
14
15
14
14
15
15
16
17
19
21
22
24
25
23
22
22
20
18

Dew Point (°C)

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

Relative Humidity (%)

100
98
98
98
98
100
100
98
100
100
100
100
100
98
93
91
88
84
81
86
88
91
90
93

Pressure (mb)

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

Ozone (du)

293
292
292
292
294
296
299
301
302
302
301
301
303
304
304
304
303
305
305
304
303
304
306
307

Thursday 3

Waning Gibbous 49%

22:17

15:23

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

Sun - Rise: 06:20, Set: 19:27, Transit: 12:53. Moon - Rise: 22:17, Set: 15:23. Civil Dark: 19:58 - 05:49. Nautical Dark: 20:35 - 05:12. Astro Dark: 21:17 - 04:32

Total Clouds (% Sky Obscured)

74
88
85
55
58
40
55
65
60
61
90
97
88
100
96
92
100
95
91
84
87
91
95
93

Low Clouds (% Sky Obscured)

65
70
71
51
58
40
55
60
59
61
88
91
70
81
76
76
77
81
86
84
87
89
90
85

Medium Clouds (% Sky Obscured)

22
18
10
0
24
0
17
29
30
13
14
55
32
70
58
52
75
62
49
36
47
55
59
54

High Clouds (% Sky Obscured)

5
3
5
7
5
1
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
7
9
6
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
5
1
0
0
0
0
0
0
0
2
2
3
9
33
33
30
28
25
15
18
8
2
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
95
95
96
96
96
96
98
98
96
96
96
95
87
82
79
78
85
85
85
87
86

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1012

Ozone (du)

308
307
305
305
305
305
304
305
307
308
308
308
308
307
307
308
307
309
306
305
306
306
306
304

Friday 4

Third Quarter 37%

23:11

16:25

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
20 Bad

Sun - Rise: 06:21, Set: 19:25, Transit: 12:53. Moon - Rise: 23:11, Set: 16:25. Civil Dark: 19:56 - 05:50. Nautical Dark: 20:33 - 05:13. Astro Dark: 21:15 - 04:34

Total Clouds (% Sky Obscured)

89
68
61
60
67
75
77
75
75
75
77
83
89
94
93
91
89
88
87
85
90
95
100
86

Low Clouds (% Sky Obscured)

76
50
46
45
53
63
77
75
75
75
77
83
89
94
91
84
78
80
83
83
87
87
92
53

Medium Clouds (% Sky Obscured)

49
45
37
30
23
15
10
3
2
1
0
17
37
52
44
43
39
41
66
52
48
53
62
65

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
32
31
51
70
86
86

ISS Passover

Visibility (miles)

9
9
9
9
9
9
0
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

4
0
0
0
0
0
0
0
0
0
1
1
2
2
18
20
17
44
59
70
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.7
1.1
1.4
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
87
95
96
98
98
100
93
92
89
90
90
92
87
82
82
85
86
85
83
92
96
96
95

Pressure (mb)

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

Ozone (du)

305
307
307
307
308
309
310
311
314
315
317
319
322
324
325
333
340
338
325
321
321
322
324
326

Saturday 5

Waning Crescent 26%

00:20

17:13

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

Sun - Rise: 06:22, Set: 19:23, Transit: 12:53. Moon - Rise: 00:20, Set: 17:13. Civil Dark: 19:54 - 05:52. Nautical Dark: 20:31 - 05:15. Astro Dark: 21:12 - 04:36

Total Clouds (% Sky Obscured)

86
89
89
90
87
77
69
62
59
52
50
40
31
25
23
24
27
24
17
13
7
2
0
0

Low Clouds (% Sky Obscured)

59
62
70
77
74
60
52
44
43
38
32
32
31
25
23
24
27
24
17
8
6
2
0
0

Medium Clouds (% Sky Obscured)

72
74
72
71
69
60
52
42
37
33
32
26
21
16
12
6
0
5
10
11
6
2
0
0

High Clouds (% Sky Obscured)

86
86
57
28
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
7
4
4
4
5
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

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

Precipitation Probability (%)

95
95
83
62
30
21
10
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.7
1
0.7
0.4
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
5
5
4
4
4
4
4
4
4
5
5
5
6
6
6
7
7
7
7
7
5
4
3

Chance of Frost

Temperature (°C)

11
11
11
10
10
10
9
10
9
10
10
11
13
14
15
16
17
18
18
18
18
17
15
13

Feels Like (°C)

12
10
10
10
10
9
9
10
10
10
10
12
12
12
12
13
14
14
19
18
17
19
20
20

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
96
98
98
98
96
91
77
67
56
51
46
41
43
43
44
53
64
77

Pressure (mb)

1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1018
1018
1019

Ozone (du)

328
328
328
330
330
329
328
327
326
326
327
327
325
323
321
319
318
316
315
314
313
312
311
311

Sunday 6

Waning Crescent 16%

01:38

17:49

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

Sun - Rise: 06:24, Set: 19:21, Transit: 12:52. Moon - Rise: 01:38, Set: 17:49. Civil Dark: 19:52 - 05:53. Nautical Dark: 20:29 - 05:16. Astro Dark: 21:10 - 04:37

Total Clouds (% Sky Obscured)

0
0
0
0
0
5
9
12
10
6
2
23
41
61
59
58
53
59
64
68
62
55
48
67

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
5
8
9
5
0
4
9
13
22
30
39
49
61
68
53
32
10
8

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
21
31
44

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
23
32
24
32
49
53
59
58
55
62
55
48
67

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

Chance of Frost

Temperature (°C)

11
10
9
9
9
9
8
8
8
9
10
11
14
16
18
19
20
21
21
20
20
18
16
14

Feels Like (°C)

11
11
12
11
11
12
9
9
9
8
8
8
13
14
15
15
16
17
20
19
19
19
20
20

Dew Point (°C)

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

Relative Humidity (%)

83
88
95
90
87
82
79
78
75
72
66
63
57
52
47
46
44
43
46
49
52
61
72
84

Pressure (mb)

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

Ozone (du)

310
310
310
310
309
309
308
307
307
307
308
308
309
309
310
310
311
311
312
313
313
315
316
317

Monday 7

Waning Crescent 8%

03:01

18:17

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

Sun - Rise: 06:25, Set: 19:19, Transit: 12:52. Moon - Rise: 03:01, Set: 18:17. Civil Dark: 19:50 - 05:54. Nautical Dark: 20:27 - 05:18. Astro Dark: 21:07 - 04:39

Total Clouds (% Sky Obscured)

75
82
85
92
100
67
33
0
33
67
100
97
94
92
95
96
98

Low Clouds (% Sky Obscured)

5
1
1
1
0
0
0
0
0
0
0
16
28
36
52
73
92

Medium Clouds (% Sky Obscured)

59
75
62
36
22
10
2
0
22
44
66
63
55
58
69
79
91

High Clouds (% Sky Obscured)

75
82
85
90
98
65
33
0
33
67
100
85
75
63
69
76
81

ISS Passover

Visibility (miles)

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

Precipitation Type

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
18
30
45

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
89
92
93
95
95
93
95
91
88
87
83
79
74
81
87

Pressure (mb)

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

Ozone (du)

317
318
319
320
320
321
318
316
313
313
313
313
312
311
310
310
310

Forecast for Lac-Saint-Louis, Lanaudière, Canada (46.57,-73.80)

Generated: 01/09/26 21:35:23. Forecast: 01/09/26 to 07/09/26. Timezone: UTC-4.00