Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 11%

02:49

17:49

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

57
45
72
78
100
100
100
87
24
5
3
7
14
36
51
66
38
59
88
87
92
100
93
95

Low Clouds (% Sky Obscured)

0
0
4
19
5
7
23
4
0
3
0
3
11
19
0
20
31
35
69
72
87
84
82
89

Medium Clouds (% Sky Obscured)

51
45
72
72
68
98
0
0
0
0
0
0
0
26
46
39
14
28
44
29
37
50
40
36

High Clouds (% Sky Obscured)

57
45
72
78
100
100
99
83
14
1
1
3
4
0
2
5
6
6
3
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
1
3
8
30
19
10
18
11
6
7
4

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

Chance of Frost

Temperature (°C)

14
14
13
13
13
13
15
18
20
22
24
25
26
26
26
26
23
19
18
18
18
17
17
15

Feels Like (°C)

12
12
11
11
11
11
14
16
18
21
22
23
24
24
25
24
21
20
19
19
17
15
14
13

Dew Point (°C)

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

Relative Humidity (%)

68
69
70
74
76
76
70
64
55
44
39
36
35
36
35
37
51
86
85
86
85
82
81
80

Pressure (mb)

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

Ozone (du)

277
277
278
279
283
285
286
286
285
285
288
289
288
289
290
291
290
290
292
291
290
290
289
288

Friday 19

Waning Crescent 5%

04:02

18:09

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

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)

100
96
81
61
55
16
19
20
17
13
18
19
18
11
16
5
4
3
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

100
96
76
46
31
16
19
20
17
13
18
19
18
11
16
4
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

16
32
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)

4
33
7
6
4
4
4
4
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
1
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)

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

Chance of Frost

Temperature (°C)

15
14
13
12
11
9
10
12
14
15
16
17
17
18
18
18
16
13
11
10
9
7
6
4

Feels Like (°C)

12
11
10
10
9
8
11
12
12
14
15
16
16
16
16
15
16
11
9
8
6
6
4
3

Dew Point (°C)

11
9
9
9
7
6
6
5
4
4
3
3
2
1
1
1
4
1
-1
-1
-2
-2
-4
-5

Relative Humidity (%)

79
73
79
80
77
81
74
61
51
47
42
38
34
31
31
31
42
45
44
47
49
50
50
52

Pressure (mb)

1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1021
1023
1024
1025
1025

Ozone (du)

288
288
287
288
288
288
290
288
286
287
289
289
287
286
286
285
285
286
285
282
282
284
284
285

Saturday 20

Waning Crescent 1%

05:13

18:26

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 OK
01 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)

0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
0
0
0
3
3
4
13
32
35

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
0
0
0
2
2
0
0
0
0
2
2
3
11
32
35

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)

2
2
2
2
2
2
2
2
4
4
5
5
5
5
5
4
2
2
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

3
3
3
3
2
2
5
8
10
12
13
14
15
15
15
15
14
11
9
8
7
6
5
4

Feels Like (°C)

2
2
1
1
1
1
4
7
9
10
11
12
13
13
14
13
13
9
7
6
5
4
4
3

Dew Point (°C)

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

Relative Humidity (%)

53
55
57
59
59
60
51
44
40
36
32
30
27
26
25
26
39
44
50
50
52
55
56
56

Pressure (mb)

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

Ozone (du)

285
286
286
287
286
286
286
285
285
283
283
282
281
281
280
279
278
277
275
275
275
277
279
279

Sunday 21

New Moon 0%

06:21

18:42

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

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)

33
34
33
33
31
31
34
33
50
58
50
77
60
73
86
62
74
11
8
5
4
4
5
65

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

8
17
25
22
21
17
24
29
29
28
31
29
21
19
15
11
6
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

33
26
8
12
15
19
14
9
5
33
50
77
60
73
74
51
35
5
5
4
3
2
1
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
4
4
3
3
3
3
3
4
6
6
6
6
7
7
7
5
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

4
3
2
2
3
3
6
10
13
17
18
20
21
22
22
21
19
16
14
13
13
13
12
12

Feels Like (°C)

2
2
1
1
2
2
5
9
12
14
16
18
19
19
19
18
17
13
12
11
12
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

59
59
59
62
64
63
53
43
36
30
27
26
25
26
27
32
43
50
54
54
52
55
62
66

Pressure (mb)

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

Ozone (du)

279
279
279
280
280
280
281
280
279
278
278
278
278
279
278
279
280
280
281
282
278
277
278
278

Monday 22

Waxing Crescent 1%

07:27

18:58

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

Sun - Rise: 06:40, Set: 18:48, Transit: 12:44. Moon - Rise: 07:27, Set: 18:58. Civil Dark: 19:17 - 06:11. Nautical Dark: 19:52 - 05:37. Astro Dark: 20:27 - 05:01

Total Clouds (% Sky Obscured)

29
21
56
76
43
100
21
58
99
97
99
100
97
95
92
88
87
83
82
80
78
67
65
67

Low Clouds (% Sky Obscured)

12
21
44
44
43
43
21
10
0
3
5
8
6
11
15
22
27
25
15
5
5
13
26
38

Medium Clouds (% Sky Obscured)

0
0
0
12
22
28
21
30
33
40
86
60
16
35
49
56
63
70
66
62
57
56
63
58

High Clouds (% Sky Obscured)

16
21
46
63
43
91
21
58
87
76
69
68
96
92
88
75
61
58
57
53
46
61
65
23

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
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
3
2
3
2
0
14
22
29
5
10
11
31
43
52
49
38
19
25
35
45

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
14
16
18
20
22
22
23
24
23
23
21
19
16
16
16
16
16
16

Feels Like (°C)

9
10
10
9
9
9
10
13
14
15
16
17
19
19
19
20
19
19
19
14
15
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

66
66
68
70
71
71
63
52
45
42
39
40
40
42
43
46
57
72
92
89
83
79
81
83

Pressure (mb)

1019
1018
1018
1017
1017
1017
1017
1016
1016
1015
1014
1013
1012
1016
1015
1014
1015
1015
1015
1015
1014
1014
1014
1014

Ozone (du)

279
279
279
279
279
278
277
277
278
278
279
279
279
278
278
277
278
278
278
277
277
276
275
274

Tuesday 23

Waxing Crescent 4%

08:33

19:15

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
01 Bad

Sun - Rise: 06:42, Set: 18:46, Transit: 12:44. Moon - Rise: 08:33, Set: 19:15. Civil Dark: 19:15 - 06:12. Nautical Dark: 19:50 - 05:38. Astro Dark: 20:25 - 05:03

Total Clouds (% Sky Obscured)

65
64
63
72
80
86
90
95
100
100
100
100
99
98
96
97
98
99
98
97
96
96
97
98

Low Clouds (% Sky Obscured)

34
30
26
36
50
50
57
63
54
46
33
25
39
52
65
70
74
77
78
76
75
77
80
83

Medium Clouds (% Sky Obscured)

56
59
62
55
47
39
54
72
90
89
87
84
86
88
89
93
96
98
86
75
63
68
74
82

High Clouds (% Sky Obscured)

14
14
14
29
43
60
69
80
93
96
92
67
51
59
70
83
94
98
68
37
8
23
57
63

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

71
85
92
74
50
19
17
18
21
38
46
50
58
69
82
90
93
92
79
66
50
39
27
14

Precipitation Amount (mm)

0.4
0.5
0.6
0.4
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.6
0.6
0.5
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
15
15
15
16
17
18
19
20
20
21
21
20
20
20
19
19
18
18
18
18
18
18

Feels Like (°C)

17
15
16
15
15
15
16
17
18
18
18
18
18
21
21
21
21
21
21
20
20
20
20
20

Dew Point (°C)

13
13
14
13
14
14
15
16
16
17
17
18
18
18
18
19
18
18
18
18
18
18
18
18

Relative Humidity (%)

86
86
89
90
92
90
92
88
86
84
84
82
81
85
88
93
93
93
95
96
96
96
98
98

Pressure (mb)

1014
1014
1014
1014
1014
1014
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

273
273
273
273
272
271
270
270
271
271
271
271
271
271
270
270
270
270
270
270
269
269
270
270

Wednesday 24

Waxing Crescent 8%

09:39

19:34

Sun - Rise: 06:43, Set: 18:44, Transit: 12:43. Moon - Rise: 09:39, Set: 19:34. Civil Dark: 19:13 - 06:13. Nautical Dark: 19:48 - 05:39. Astro Dark: 20:23 - 05:04

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: 18/09/25 02:38:08. Forecast: 18/09/25 to 24/09/25. Timezone: UTC-4.00