Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 38%

No Rise

16:10

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

Sun - Rise: 06:32, Set: 19:01, Transit: 12:47. Moon - Rise: No Rise, Set: 16:10. Civil Dark: 19:31 - 06:02. Nautical Dark: 20:06 - 05:27. Astro Dark: 20:42 - 04:51

Total Clouds (% Sky Obscured)

55
51
64
40
39
32
48
21
10
52
50
51
17
26
22
15
0
0
0
0
0
0
1
8

Low Clouds (% Sky Obscured)

38
51
64
40
39
32
41
0
0
0
0
18
17
26
22
15
0
0
0
0
0
0
0
7

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
60
3
6
11
45
21
9
42
30
23
1
2
1
0
0
0
0
0
0
0
1
4

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)

1
0
0
3
3
3
3
3
3
4
4
4
4
3
3
3
3
3
2
2
3
3
3
3

Chance of Frost

Temperature (°C)

14
12
11
10
10
9
9
9
11
14
16
18
20
21
21
22
22
21
20
17
16
14
13
12

Feels Like (°C)

14
12
11
8
9
9
9
8
11
14
15
17
18
22
22
23
23
23
22
19
16
15
14
13

Dew Point (°C)

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

Relative Humidity (%)

83
84
85
85
87
88
88
87
76
66
61
58
53
49
46
45
46
47
59
66
72
78
83
86

Pressure (mb)

1023
1023
1024
1024
1024
1025
1025
1026
1026
1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1026
1026
1026
1026

Ozone (du)

295
294
293
292
293
293
292
290
292
292
293
293
294
294
294
295
294
294
294
295
293
292
291
292

Tuesday 16

Waning Crescent 28%

00:19

16:52

00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
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 OK
22 Bad
23 Bad

Sun - Rise: 06:33, Set: 19:00, Transit: 12:46. Moon - Rise: 00:19, Set: 16:52. Civil Dark: 19:29 - 06:04. Nautical Dark: 20:04 - 05:29. Astro Dark: 20:40 - 04:53

Total Clouds (% Sky Obscured)

25
22
23
34
36
36
33
28
0
0
0
16
18
15
13
5
6
5
6
7
14
31
50
55

Low Clouds (% Sky Obscured)

24
22
23
34
36
36
33
28
0
0
0
16
18
15
13
5
6
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)

12
4
0
0
0
0
4
0
0
0
0
0
0
0
0
0
1
5
6
7
14
31
50
55

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
2
3
2
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
2
3
3
3
3
2
2
2
2
2
1
2
2
2
2
2
2
3
3
3
3

Chance of Frost

Temperature (°C)

11
11
11
10
10
10
10
10
12
16
19
21
22
23
24
24
24
24
22
19
16
15
14
14

Feels Like (°C)

12
12
12
11
11
11
11
11
13
18
21
23
25
26
26
27
26
26
25
21
18
16
14
13

Dew Point (°C)

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

Relative Humidity (%)

86
87
87
87
88
88
88
88
81
73
64
59
54
48
44
41
41
43
55
60
64
66
69
72

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1026
1026
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

291
291
291
290
289
290
290
289
288
287
287
287
287
287
287
287
286
286
285
285
285
284
283
283

Wednesday 17

Waning Crescent 18%

01:34

17:24

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

Sun - Rise: 06:34, Set: 18:58, Transit: 12:46. Moon - Rise: 01:34, Set: 17:24. Civil Dark: 19:27 - 06:05. Nautical Dark: 20:02 - 05:30. Astro Dark: 20:38 - 04:54

Total Clouds (% Sky Obscured)

58
69
75
82
69
34
30
6
36
44
32
53
97
97
90
82
59
53
47
40
68
62
67
82

Low Clouds (% Sky Obscured)

13
32
42
51
54
34
30
0
0
7
4
0
0
0
0
0
0
0
0
0
6
13
18
26

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
10

High Clouds (% Sky Obscured)

58
69
75
82
61
0
0
5
30
40
32
53
97
97
85
80
53
52
34
32
66
56
58
72

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

Chance of Frost

Temperature (°C)

13
13
12
11
11
10
10
10
13
18
21
22
24
25
26
26
26
25
24
21
19
18
17
17

Feels Like (°C)

12
12
12
10
10
10
11
11
14
19
21
23
24
24
25
25
26
27
26
23
21
19
17
17

Dew Point (°C)

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

Relative Humidity (%)

74
76
79
81
85
88
90
88
79
71
64
57
50
45
40
39
38
43
57
68
71
71
74
77

Pressure (mb)

1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1019
1019
1018
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

283
283
282
282
283
283
283
283
283
284
284
283
282
282
282
283
283
284
284
284
284
283
283
282

Thursday 18

Waning Crescent 11%

02:49

17:49

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

Sun - Rise: 06:35, Set: 18:56, Transit: 12:46. Moon - Rise: 02:49, Set: 17:49. Civil Dark: 19:25 - 06:06. Nautical Dark: 20:00 - 05:31. Astro Dark: 20:36 - 04:56

Total Clouds (% Sky Obscured)

89
65
55
93
67
62
61
65
44
20
6
8
13
15
13
13
34
73
85
94
78
73
40
45

Low Clouds (% Sky Obscured)

30
37
33
22
10
7
3
0
0
0
0
2
3
4
2
4
17
3
3
64
16
23
36
45

Medium Clouds (% Sky Obscured)

23
35
42
42
44
46
52
49
32
15
0
0
0
0
0
2
9
64
73
87
61
57
28
37

High Clouds (% Sky Obscured)

75
57
48
47
32
47
61
65
44
20
6
8
4
0
0
0
2
6
12
9
8
6
7
22

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
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
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
4
7
23
19
22
48
38
7
3
3
5
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
15
15
15
15
15
15
17
19
21
23
25
26
27
27
27
26
23
21
20
17
16
14

Feels Like (°C)

16
14
15
16
14
15
15
15
17
19
21
22
24
25
25
26
26
24
22
19
19
18
15
15

Dew Point (°C)

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

Relative Humidity (%)

81
83
86
90
93
95
93
92
82
69
60
54
44
39
39
40
46
58
73
76
78
88
89
89

Pressure (mb)

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

Ozone (du)

281
281
281
282
282
281
282
283
283
284
286
287
286
286
285
284
284
284
285
286
288
292
289
286

Friday 19

Waning Crescent 5%

04:02

18:09

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

Sun - Rise: 06:37, Set: 18:54, Transit: 12:45. Moon - Rise: 04:02, Set: 18:09. Civil Dark: 19:23 - 06:07. Nautical Dark: 19:58 - 05:33. Astro Dark: 20:34 - 04:57

Total Clouds (% Sky Obscured)

76
97
97
96
48
31
24
60
88
18
15
15
10
38
71
76
81
72
59
50
43
35
27
37

Low Clouds (% Sky Obscured)

71
86
88
89
48
31
24
60
52
18
14
15
10
38
70
71
73
64
56
48
43
35
27
37

Medium Clouds (% Sky Obscured)

41
46
53
60
48
31
24
31
34
18
15
15
10
0
55
40
40
39
37
36
38
35
27
35

High Clouds (% Sky Obscured)

38
51
34
16
1
2
2
15
26
2
2
2
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 (%)

12
13
15
18
16
16
13
5
7
8
6
6
4
0
16
14
8
10
10
6
7
6
4
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)

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

Chance of Frost

Temperature (°C)

14
13
13
12
10
8
8
8
10
12
13
14
15
16
16
14
15
14
13
11
9
8
7
6

Feels Like (°C)

14
12
11
9
8
8
8
8
9
9
11
11
11
12
10
9
9
9
9
10
10
4
4
5

Dew Point (°C)

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

Relative Humidity (%)

90
89
87
84
85
91
91
91
80
63
53
46
41
38
39
36
35
33
37
41
46
51
56
64

Pressure (mb)

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

Ozone (du)

284
283
283
282
282
283
285
286
284
282
283
285
286
289
292
298
305
312
311
309
308
306
305
303

Saturday 20

Waning Crescent 1%

05:13

18:26

00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
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 OK

Sun - Rise: 06:38, Set: 18:52, Transit: 12:45. Moon - Rise: 05:13, Set: 18:26. Civil Dark: 19:21 - 06:09. Nautical Dark: 19:56 - 05:34. Astro Dark: 20:31 - 04:58

Total Clouds (% Sky Obscured)

35
29
34
39
43
36
30
22
19
18
15
14
15
13
5
5
2
2
2
1
2
2
3
22

Low Clouds (% Sky Obscured)

35
29
34
39
43
36
22
12
14
16
15
14
15
13
5
5
2
2
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

23
19
15
10
5
10
14
17
9
4
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
0
0
0
0
0
1
1
13

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 (%)

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

Chance of Frost

Temperature (°C)

5
5
5
4
3
3
3
4
5
7
9
12
13
14
16
17
17
17
15
12
10
9
8
7

Feels Like (°C)

5
5
5
2
3
3
3
2
2
5
6
6
7
7
9
15
15
14
14
15
15
7
7
7

Dew Point (°C)

0
1
2
1
0
0
0
0
0
-1
-1
-2
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3

Relative Humidity (%)

68
73
80
82
82
83
80
75
72
57
47
38
33
30
26
26
26
25
30
35
42
45
48
50

Pressure (mb)

1023
1024
1024
1025
1026
1026
1027
1028
1028
1028
1028
1029
1028
1028
1027
1027
1026
1026
1026
1027
1027
1027
1027
1027

Ozone (du)

300
298
295
294
292
291
290
288
287
286
286
285
284
284
284
283
283
283
284
285
286
284
283
281

Sunday 21

New Moon 0%

06:21

18:42

Sun - Rise: 06:39, Set: 18:50, Transit: 12:45. Moon - Rise: 06:21, Set: 18:42. Civil Dark: 19:19 - 06:10. Nautical Dark: 19:54 - 05:35. Astro Dark: 20:29 - 05:00

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 Domaine-Joyeux, Montérégie, Canada (45.22,-73.09)

Generated: 15/09/25 00:14:23. Forecast: 15/09/25 to 21/09/25. Timezone: UTC-4.00