Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 5%

04:02

18:14

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

Sun - Rise: 06:39, Set: 18:57, Transit: 12:48. Moon - Rise: 04:02, Set: 18:14. Civil Dark: 19:27 - 06:09. Nautical Dark: 20:03 - 05:34. Astro Dark: 20:39 - 04:57

Total Clouds (% Sky Obscured)

86
79
65
61
51
50
60
71
50
14
0
7
14
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

75
63
60
61
48
47
53
55
50
14
0
7
9
0
0
0
0
0
0
0
0
0
0
0

Medium 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
0
0

High Clouds (% Sky Obscured)

1
2
1
0
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
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)

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

Chance of Frost

Temperature (°C)

10
9
7
7
7
8
9
9
10
11
12
13
13
12
12
10
8
6
5
4
3
2
3
2

Feels Like (°C)

6
6
6
7
6
7
7
7
8
9
9
10
10
9
9
7
5
4
2
2
1
0
0
1

Dew Point (°C)

5
4
3
5
5
5
4
2
0
-2
-4
-4
-4
-4
-3
-4
-4
-4
-4
-4
-4
-4
-2
-1

Relative Humidity (%)

69
69
77
85
87
82
72
61
49
40
34
32
31
31
35
38
42
48
54
59
61
65
72
79

Pressure (mb)

1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1018
1018
1019
1020
1022
1023
1024
1024
1025
1025
1026

Ozone (du)

287
286
284
286
289
289
288
288
287
286
286
287
288
288
287
288
288
288
289
290
289
288
287
285

Saturday 20

Waning Crescent 1%

05:14

18:30

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

Sun - Rise: 06:40, Set: 18:55, Transit: 12:48. Moon - Rise: 05:14, Set: 18:30. Civil Dark: 19:25 - 06:10. Nautical Dark: 20:01 - 05:35. Astro Dark: 20:37 - 04:58

Total Clouds (% Sky Obscured)

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

Low 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
0
0

Medium 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
0
0

High Clouds (% Sky Obscured)

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

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)

4
3
3
3
4
4
6
6
6
5
5
5
5
5
5
3
3
2
2
2
2
1
1
1

Chance of Frost

Temperature (°C)

1
0
-1
-2
-2
2
5
7
9
11
12
14
14
14
13
12
8
6
4
4
4
4
4
3

Feels Like (°C)

0
-1
-2
-3
-3
1
4
5
7
9
11
12
12
12
12
12
8
5
3
4
3
3
4
3

Dew Point (°C)

-1
-2
-3
-4
-4
-3
-3
-4
-4
-5
-5
-4
-5
-5
-4
2
-1
-3
-4
-4
-4
-3
-4
-4

Relative Humidity (%)

83
86
86
87
84
68
57
47
39
33
30
28
27
27
30
48
53
55
55
56
57
60
60
61

Pressure (mb)

1027
1027
1028
1029
1029
1029
1029
1028
1028
1028
1027
1026
1026
1026
1026
1026
1027
1028
1028
1029
1029
1028
1029
1029

Ozone (du)

285
284
282
282
282
281
281
281
279
278
278
279
280
280
278
277
276
277
278
279
279
279
278
276

Sunday 21

New Moon 0%

06:23

18:45

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

Sun - Rise: 06:42, Set: 18:53, Transit: 12:47. Moon - Rise: 06:23, Set: 18:45. Civil Dark: 19:23 - 06:12. Nautical Dark: 19:58 - 05:36. Astro Dark: 20:35 - 05:00

Total Clouds (% Sky Obscured)

4
4
4
5
13
11
18
44
29
33
10
74
90
100
100
98
60
62
24
3
3
11
13
15

Low 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
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
42
20
5
0
7
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
4
4
4
12
11
18
27
16
15
7
51
47
100
100
98
55
60
22
2
3
11
13
15

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 (%)

1
2
1
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)

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

Chance of Frost

Temperature (°C)

3
2
2
2
2
6
11
13
14
15
17
17
17
17
16
14
11
9
9
9
8
8
8
8

Feels Like (°C)

3
2
1
2
2
6
9
11
11
13
14
15
14
14
13
12
9
8
7
7
7
7
7
6

Dew Point (°C)

-4
-4
-4
-3
-4
-2
-0
0
0
0
0
0
1
2
3
5
4
2
1
1
1
1
2
2

Relative Humidity (%)

62
64
65
66
65
57
47
42
38
36
33
31
33
34
41
55
60
60
57
58
59
60
65
68

Pressure (mb)

1029
1029
1029
1028
1028
1028
1027
1027
1026
1025
1025
1024
1023
1022
1022
1022
1022
1022
1021
1021
1020
1020
1019
1019

Ozone (du)

277
277
277
278
278
278
277
277
278
278
278
279
281
281
280
279
278
275
275
275
274
275
275
274

Monday 22

Waxing Crescent 1%

07:31

19:00

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

Sun - Rise: 06:43, Set: 18:51, Transit: 12:47. Moon - Rise: 07:31, Set: 19:00. Civil Dark: 19:21 - 06:13. Nautical Dark: 19:56 - 05:38. Astro Dark: 20:33 - 05:01

Total Clouds (% Sky Obscured)

21
22
28
39
49
68
88
100
100
100
100
100
100
100
100
99
99
96
93
90
86
82
79
83

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
4
0
0
72
80
87
95
100
100
99
99
96
93
90
86
82
76
75

Medium Clouds (% Sky Obscured)

0
0
7
12
18
35
76
87
91
96
100
93
88
86
79
76
71
56
27
3
2
0
0
2

High Clouds (% Sky Obscured)

21
22
28
39
49
68
86
100
100
100
100
100
100
100
75
50
25
20
15
15
10
15
30
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
4
9
6
6
9
9
6
4
0
0
1
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
Light Rain
Light Rain
None
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
3
4
5
4
0
6
29
54
95
87
78
95
53
14
13
9
20
13
9
6
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
8
9
9
9
10
12
13
14
15
14
14
13
13
13
13
12
13
13
12
12
12
12
12

Feels Like (°C)

6
6
6
6
7
7
9
10
12
12
12
12
12
12
12
12
12
13
13
13
12
12
12
12

Dew Point (°C)

4
4
5
5
6
6
7
8
9
9
11
12
13
13
12
13
12
12
12
12
12
12
12
12

Relative Humidity (%)

70
73
75
80
81
77
72
70
69
68
79
89
96
96
96
98
98
98
98
100
100
100
98
98

Pressure (mb)

1018
1018
1018
1017
1017
1017
1016
1016
1015
1014
1013
1013
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

273
273
274
274
274
274
275
275
275
275
275
275
274
275
275
276
277
278
278
277
277
278
278
278

Tuesday 23

Waxing Crescent 4%

08:38

19:15

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
21 OK
22 Good
23 Good
00 Good
01 Good
02 Good

Sun - Rise: 06:44, Set: 18:49, Transit: 12:47. Moon - Rise: 08:38, Set: 19:15. Civil Dark: 19:19 - 06:14. Nautical Dark: 19:54 - 05:39. Astro Dark: 20:31 - 05:03

Total Clouds (% Sky Obscured)

91
100
99
98
98
95
98
97
98
99
81
82
83
84
68
53
49
42
26
7
2
2
2
9

Low Clouds (% Sky Obscured)

68
69
75
82
89
86
89
91
91
87
72
66
58
54
54
53
49
42
24
0
0
0
0
8

Medium Clouds (% Sky Obscured)

2
3
5
2
2
2
1
1
16
31
47
8
5
1
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

85
52
78
45
35
23
12
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
1
9
9
9
9
9
9
9
9
9
8
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 (%)

6
0
15
1
1
0
0
1
8
12
28
49
47
44
39
31
15
16
12
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
3
3
4
5
6
6
6
7
7
7
7
7
6
5
5
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
13
13
14
15
15
14
13
12
12
12
12
11
11
10
9
8
8
7
7

Relative Humidity (%)

100
98
98
96
98
98
95
93
96
90
82
71
74
78
82
87
92
98
98
98
98
98
98
98

Pressure (mb)

1011
1011
1011
1011
1012
1012
1012
1012
1013
1012
1012
1012
1013
1014
1014
1015
1016
1016
1017
1018
1019
1019
1020
1021

Ozone (du)

278
280
281
283
283
284
284
287
289
291
292
290
289
287
286
286
285
285
285
286
286
285
285
284

Wednesday 24

Waxing Crescent 8%

09:45

19:33

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

Sun - Rise: 06:46, Set: 18:47, Transit: 12:46. Moon - Rise: 09:45, Set: 19:33. Civil Dark: 19:17 - 06:16. Nautical Dark: 19:52 - 05:40. Astro Dark: 20:28 - 05:04

Total Clouds (% Sky Obscured)

17
24
16
10
5
7
8
7
3
1
2
1
1
0
2
4
5
6
6
6
6
6
6
6

Low Clouds (% Sky Obscured)

17
24
16
8
0
7
8
7
3
1
2
1
1
0
1
2
3
2
1
0
0
0
0
0

Medium 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
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
4
4
4
5
5

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)

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

Chance of Frost

Temperature (°C)

6
5
5
6
6
6
9
12
14
15
16
17
17
17
17
15
12
10
8
8
7
7
7
6

Feels Like (°C)

6
5
6
6
6
5
7
9
9
10
12
12
17
17
17
17
17
17
8
9
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
96
94
93
76
62
50
46
44
41
42
45
46
53
63
73
75
77
78
78
78
78

Pressure (mb)

1021
1022
1022
1023
1023
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024

Ozone (du)

282
280
279
278
278
278
280
282
284
287
289
292
290
289
287
286
284
282
282
281
280
279
277
276

Thursday 25

Waxing Crescent 14%

10:54

19:55

Sun - Rise: 06:47, Set: 18:45, Transit: 12:46. Moon - Rise: 10:54, Set: 19:55. Civil Dark: 19:15 - 06:17. Nautical Dark: 19:50 - 05:42. Astro Dark: 20:26 - 05:06

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 19/09/25 03:55:41. Forecast: 19/09/25 to 25/09/25. Timezone: UTC-4.00