Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 11%

02:34

17:46

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 OK
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

Sun - Rise: 06:27, Set: 18:49, Transit: 12:38. Moon - Rise: 02:34, Set: 17:46. Civil Dark: 19:19 - 05:56. Nautical Dark: 19:55 - 05:20. Astro Dark: 20:33 - 04:43

Total Clouds (% Sky Obscured)

66
74
80
100
100
100
100
100
53
28
37
50
81
87
90
86
91
94
100
96
78
76
80
69

Low Clouds (% Sky Obscured)

26
32
42
39
37
34
32
0
16
26
27
44
63
80
81
79
87
91
100
93
68
69
74
69

Medium Clouds (% Sky Obscured)

52
71
63
55
4
0
0
0
0
5
36
25
21
35
26
27
39
31
18
3
6
0
0
0

High Clouds (% Sky Obscured)

66
74
80
98
100
100
100
100
42
2
7
23
52
11
6
3
0
0
0
0
0
3
6
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
2
2
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
1
1
2
21
33
23
10
15
2
1
1
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
3
2
2
2
2
2
3
6
8
10
11
11
11
9
7
7
9
9
9
10
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
10
9
9
10
12
15
17
19
19
19
18
16
15
15
14
12
9
7
7
5
4

Dew Point (°C)

9
10
10
10
10
9
10
10
11
10
11
10
11
11
14
16
14
13
12
10
9
7
5
4

Relative Humidity (%)

93
95
95
96
96
95
96
89
74
62
56
52
53
57
71
93
92
90
95
95
93
87
77
73

Pressure (mb)

1015
1015
1014
1014
1013
1013
1013
1013
1012
1012
1011
1010
1010
1009
1009
1010
1010
1010
1011
1012
1012
1012
1013
1013

Ozone (du)

271
270
270
270
271
272
273
274
274
276
276
276
277
278
279
279
283
280
278
278
279
280
280
283

Friday 19

Waning Crescent 5%

03:49

18:04

01 OK
02 Bad
03 Bad
04 OK
05 Bad
06 Bad
07 Bad
08 OK
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

Sun - Rise: 06:28, Set: 18:46, Transit: 12:37. Moon - Rise: 03:49, Set: 18:04. Civil Dark: 19:17 - 05:58. Nautical Dark: 19:53 - 05:22. Astro Dark: 20:31 - 04:44

Total Clouds (% Sky Obscured)

47
70
56
39
52
43
55
38
11
6
0
0
0
0
0
0
0
0
2
6
8
9
12
0

Low Clouds (% Sky Obscured)

47
64
56
37
52
43
53
38
11
6
0
0
0
0
0
0
0
0
2
6
8
9
8
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)

3
3
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 (%)

1
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)

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

Chance of Frost

Temperature (°C)

8
7
7
6
5
4
4
5
6
7
9
10
10
11
10
10
9
7
4
3
3
2
2
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
76
83
82
91
89
78
66
56
50
47
42
35
31
29
32
37
42
45
45
49
57
65

Pressure (mb)

1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1015
1016
1016
1017
1018
1020
1021
1022
1022
1023
1024

Ozone (du)

284
283
284
284
284
287
291
294
296
296
296
297
299
300
300
300
300
301
303
304
305
306
306
305

Saturday 20

Waning Crescent 1%

05:02

18:20

01 Good
02 Good
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

Sun - Rise: 06:30, Set: 18:44, Transit: 12:37. Moon - Rise: 05:02, Set: 18:20. Civil Dark: 19:15 - 05:59. Nautical Dark: 19:51 - 05:23. Astro Dark: 20:28 - 04:46

Total Clouds (% Sky Obscured)

0
0
0
0
7
6
4
0
0
0
0
0
0
0
0
0
5
0
0
0
1
1
1
5

Low Clouds (% Sky Obscured)

0
0
0
0
7
5
2
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
0
0
0
0
0
0
0
3
0
0
0
1
1
1
3

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)

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

Chance of Frost

Temperature (°C)

1
0
-0
-1
-1
-2
-1
1
4
6
8
9
11
11
11
11
10
9
5
3
2
2
1
1

Feels Like (°C)

-2
-2
-3
-2
-3
-3
-3
-1
2
3
4
6
7
8
8
7
7
6
4
2
1
1
-0
0

Dew Point (°C)

-5
-5
-5
-5
-4
-3
-4
-5
-6
-6
-5
-5
-5
-5
-5
-5
-4
-4
-4
-4
-3
-4
-5
-5

Relative Humidity (%)

67
67
71
74
83
87
83
63
49
42
38
36
33
32
32
32
36
42
53
61
66
65
65
64

Pressure (mb)

1024
1025
1025
1025
1026
1026
1027
1026
1026
1026
1025
1025
1025
1024
1024
1024
1025
1025
1027
1028
1028
1028
1029
1029

Ozone (du)

303
301
299
298
296
296
298
300
301
299
297
295
292
291
291
290
290
290
289
287
284
283
282
281

Sunday 21

New Moon 0%

06:12

18:34

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

Sun - Rise: 06:31, Set: 18:42, Transit: 12:37. Moon - Rise: 06:12, Set: 18:34. Civil Dark: 19:13 - 06:01. Nautical Dark: 19:49 - 05:25. Astro Dark: 20:26 - 04:47

Total Clouds (% Sky Obscured)

5
28
33
23
7
29
33
68
88
85
37
32
25
33
72
87
100
100
97
45
21
4
56
73

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
2
3
5
3
1
0
1
3
4
5
7
8
7
4
0
0
0
0
3
5

High Clouds (% Sky Obscured)

2
28
33
23
4
29
30
67
83
85
37
32
25
33
72
87
100
100
97
45
21
3
46
63

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

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
2
5
8
11
13
14
15
15
15
14
13
10
7
6
6
6
6
6

Feels Like (°C)

-1
-1
-2
-2
-1
-0
0
3
6
8
10
13
13
13
12
11
10
7
5
4
6
6
6
4

Dew Point (°C)

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

Relative Humidity (%)

64
62
62
61
60
59
55
46
37
31
27
26
26
28
30
31
35
53
61
60
59
60
61
59

Pressure (mb)

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

Ozone (du)

280
279
279
278
277
276
276
277
276
276
277
277
276
275
276
276
277
277
276
277
275
274
273
274

Monday 22

Waxing Crescent 1%

07:20

18:48

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:32, Set: 18:40, Transit: 12:36. Moon - Rise: 07:20, Set: 18:48. Civil Dark: 19:11 - 06:02. Nautical Dark: 19:47 - 05:26. Astro Dark: 20:24 - 04:49

Total Clouds (% Sky Obscured)

88
77
86
100
99
85
100
100
100
100
100
100
100
97
98
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
9
16
26
28
26
27
33
28
21
20
16
19
25
47
68
79
85
95
90
85
81
84
87

Medium Clouds (% Sky Obscured)

8
15
23
30
30
35
40
48
48
91
100
100
96
87
88
95
93
95
96
86
80
80
79
80

High Clouds (% Sky Obscured)

78
58
76
100
99
81
100
100
100
100
100
100
100
37
68
100
97
95
92
93
93
92
91
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
0
0
0
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
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
1
3
3
23
33
40
58
69
75
30
41
51
49
51
56
59
57
50
45
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0
0
0
0
0
0
0.2
0.2
0
0
0

Wind Speed/Direction (mph)

2
1
2
1
3
3
3
3
4
6
7
8
8
9
9
8
7
6
5
4
3
3
2
1

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
7
9
11
13
14
14
14
14
15
14
12
12
12
11
11
11
11
12

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-1
-0
0
1
2
3
5
5
6
6
6
7
10
10
11
11
11
11
11
11
11
11

Relative Humidity (%)

56
55
58
62
64
66
70
67
65
60
59
57
59
61
70
80
92
93
98
100
100
100
100
98

Pressure (mb)

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

Ozone (du)

274
275
275
276
276
276
276
277
277
276
276
276
278
278
279
280
281
282
283
284
283
282
281
281

Tuesday 23

Waxing Crescent 4%

08:28

19:03

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:34, Set: 18:38, Transit: 12:36. Moon - Rise: 08:28, Set: 19:03. Civil Dark: 19:09 - 06:03. Nautical Dark: 19:45 - 05:27. Astro Dark: 20:22 - 04:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
99
99
99

Low Clouds (% Sky Obscured)

90
90
90
87
83
84
87
84
81
77
83
89
95
91
88
87
93
97
99
96
92
89
85
81

Medium Clouds (% Sky Obscured)

80
85
85
77
65
56
45
35
30
25
35
37
45
56
68
79
64
49
35
27
18
8
27
44

High Clouds (% Sky Obscured)

100
100
100
100
81
62
51
92
95
97
98
99
100
85
70
65
75
80
80
75
70
61
52
51

ISS Passover

Visibility (miles)

0
0
0
0
0
1
1
2
4
7
9
9
9
9
6
4
1
1
1
0
3
5
8
5

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

Precipitation Probability (%)

21
23
26
32
38
45
52
51
50
44
64
76
88
81
74
65
59
49
23
22
18
12
17
17

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0
0.3
0.4
0.5
0.5
0.4
0.3
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
98
100
100
98
98
93
89
82
80
80
79
83
89
92
95
96
100
96
96
93
95

Pressure (mb)

1014
1014
1014
1014
1013
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1012
1013
1013
1013
1013
1013
1013
1012

Ozone (du)

280
280
279
278
277
277
278
278
277
276
275
275
274
273
273
273
272
272
272
271
271
271
271
272

Wednesday 24

Waxing Crescent 8%

09:36

19:20

Sun - Rise: 06:35, Set: 18:36, Transit: 12:36. Moon - Rise: 09:36, Set: 19:20. Civil Dark: 19:07 - 06:05. Nautical Dark: 19:43 - 05:29. Astro Dark: 20:19 - 04:52

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 Sainte-Brigitte-de-Laval, Capitale-Nationale, Canada (47.33,-71.14)

Generated: 18/09/25 01:02:19. Forecast: 18/09/25 to 24/09/25. Timezone: UTC-4.00