Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 14

Third Quarter 50%

23:05

15:19

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

Sun - Rise: 06:30, Set: 19:04, Transit: 12:47. Moon - Rise: 23:05, Set: 15:19. Civil Dark: 19:34 - 06:00. Nautical Dark: 20:09 - 05:25. Astro Dark: 20:46 - 04:48

Total Clouds (% Sky Obscured)

85
68
56
43
37
34
53
76
46
51
50
61
66
70
66
77
80
42
35
33
36
47
64
45

Low Clouds (% Sky Obscured)

46
44
19
18
18
28
36
59
43
51
46
58
61
60
59
68
70
40
35
33
36
43
44
45

Medium Clouds (% Sky Obscured)

55
45
24
37
29
7
19
26
28
21
15
0
0
29
18
19
23
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
19
55
6

ISS Passover

Visibility (miles)

9
8
8
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 (%)

26
41
27
12
6
2
0
0
2
3
4
17
5
1
1
1
1
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
1
0
3
4
2
2
1
4
7
8
7
7
6
5
6
7
6
8
7
5
4
4
3

Chance of Frost

Temperature (°C)

15
15
13
14
13
12
12
14
17
18
19
20
21
21
22
23
22
21
19
17
15
14
13
13

Feels Like (°C)

14
13
14
14
13
13
13
15
17
19
20
20
19
19
21
20
19
20
18
15
14
13
13
11

Dew Point (°C)

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

Relative Humidity (%)

80
82
89
95
95
96
95
86
73
63
57
54
54
56
51
45
45
45
53
59
65
70
75
75

Pressure (mb)

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

Ozone (du)

316
317
317
317
317
318
318
315
316
314
312
309
305
303
300
300
298
297
296
295
296
296
295
295

Monday 15

Waning Crescent 38%

00:15

16:15

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

Sun - Rise: 06:32, Set: 19:02, Transit: 12:47. Moon - Rise: 00:15, Set: 16:15. Civil Dark: 19:32 - 06:02. Nautical Dark: 20:07 - 05:26. Astro Dark: 20:44 - 04:49

Total Clouds (% Sky Obscured)

49
42
33
41
24
31
40
7
45
55
52
42
8
13
16
5
0
0
0
0
14
17
19
18

Low Clouds (% Sky Obscured)

49
42
32
21
9
0
0
0
0
0
0
16
8
13
16
5
0
0
0
0
14
17
19
18

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)

8
6
6
21
23
31
40
6
45
55
52
40
0
0
0
0
0
0
0
0
0
1
4
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)

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

Chance of Frost

Temperature (°C)

12
12
12
11
11
10
10
13
15
17
18
20
21
21
22
22
22
21
18
16
14
13
13
12

Feels Like (°C)

12
12
11
11
10
9
9
11
15
15
17
17
19
22
22
22
22
22
19
17
15
15
15
14

Dew Point (°C)

9
9
9
9
8
8
8
8
8
8
8
9
9
9
9
8
8
9
9
9
10
10
10
10

Relative Humidity (%)

77
80
81
84
85
88
85
74
62
56
52
48
46
44
42
41
41
47
57
62
73
82
81
83

Pressure (mb)

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

Ozone (du)

292
292
292
294
294
294
293
293
293
294
294
294
294
293
292
291
291
291
292
292
292
292
292
292

Tuesday 16

Waning Crescent 28%

No Rise

16:56

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

Sun - Rise: 06:33, Set: 19:00, Transit: 12:46. Moon - Rise: No Rise, Set: 16:56. Civil Dark: 19:30 - 06:03. Nautical Dark: 20:05 - 05:27. Astro Dark: 20:42 - 04:51

Total Clouds (% Sky Obscured)

6
8
39
44
40
54
68
30
25
20
33
38
24
18
7
5
35
40
45
43
27
25
7
11

Low Clouds (% Sky Obscured)

2
8
39
44
40
51
43
0
0
0
15
19
22
17
2
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)

6
4
2
0
0
15
68
30
25
20
33
38
4
1
7
5
35
40
45
43
27
25
6
10

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
13
25
32
31
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
1
1
1
1
1
1
1
2
1
0
1
2
2
3
4
3
5
5
4
4
3
3

Chance of Frost

Temperature (°C)

12
11
10
10
9
9
10
12
15
18
20
22
23
24
25
25
24
23
19
17
16
15
14
14

Feels Like (°C)

14
13
12
11
11
11
11
11
15
18
20
22
24
26
26
25
25
22
18
15
15
15
15
15

Dew Point (°C)

9
9
8
7
7
7
8
8
10
10
10
9
9
9
8
8
8
10
10
10
10
10
10
9

Relative Humidity (%)

81
83
84
85
85
87
88
79
69
58
50
44
40
36
34
33
34
43
55
64
68
72
74
75

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

291
290
290
289
290
289
288
287
286
285
284
283
282
281
281
281
281
280
280
279
279
278
278
278

Wednesday 17

Waning Crescent 18%

01:30

17:27

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

Sun - Rise: 06:34, Set: 18:58, Transit: 12:46. Moon - Rise: 01:30, Set: 17:27. Civil Dark: 19:28 - 06:04. Nautical Dark: 20:03 - 05:29. Astro Dark: 20:40 - 04:52

Total Clouds (% Sky Obscured)

27
24
15
18
23
30
37
33
29
46
44
39
47
46
38
39
27
15
19
22
25
30
42
43

Low Clouds (% Sky Obscured)

0
5
10
17
13
8
4
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

26
14
3
1
14
27
37
33
29
42
33
20
13
12
10
10
8
4
10
13
15
15
15
10

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

Chance of Frost

Temperature (°C)

13
13
12
12
12
12
12
14
17
20
22
24
25
27
27
27
27
25
21
19
18
17
16
15

Feels Like (°C)

14
13
13
13
13
13
14
16
19
21
23
23
24
25
26
26
26
24
21
18
17
17
15
15

Dew Point (°C)

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

Relative Humidity (%)

75
77
80
80
83
83
83
69
58
50
44
40
36
33
32
30
31
38
55
70
76
78
77
73

Pressure (mb)

1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1019
1019
1018
1017
1017
1017
1017
1016
1016
1016
1016
1016

Ozone (du)

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

Thursday 18

Waning Crescent 11%

02:47

17:51

01 OK
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Bad
11 Bad
12 OK
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: 06:35, Set: 18:56, Transit: 12:46. Moon - Rise: 02:47, Set: 17:51. Civil Dark: 19:26 - 06:05. Nautical Dark: 20:01 - 05:30. Astro Dark: 20:38 - 04:54

Total Clouds (% Sky Obscured)

33
14
12
13
13
15
18
15
13
75
65
37
57
61
61
62
54
56
57
82
93
99
75
49

Low Clouds (% Sky Obscured)

5
8
9
10
13
15
18
13
8
3
1
1
0
17
12
7
5
18
33
58
63
78
63
35

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
1
3
6
9
24
31
38
45
51
53
73
84
93
65
38

High Clouds (% Sky Obscured)

10
3
2
3
1
1
2
2
2
26
22
13
24
11
13
18
40
56
57
73
79
83
66
49

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
8

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
1
1
6
8
11
46
62
75
69
62
55
55
58

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
14
14
14
14
14
16
19
22
24
26
28
29
28
28
28
26
24
21
20
19
18
17

Feels Like (°C)

14
15
15
15
14
15
15
18
20
22
23
24
26
27
26
26
26
26
26
26
18
18
19
19

Dew Point (°C)

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

Relative Humidity (%)

70
73
71
75
78
83
86
75
66
54
44
36
32
32
31
30
30
35
41
49
55
61
69
77

Pressure (mb)

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

Ozone (du)

279
279
279
279
279
280
280
281
281
282
282
281
282
282
282
282
282
283
284
285
285
285
285
288

Friday 19

Waning Crescent 5%

04:01

18:10

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 OK
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: 06:37, Set: 18:54, Transit: 12:45. Moon - Rise: 04:01, Set: 18:10. Civil Dark: 19:24 - 06:07. Nautical Dark: 19:59 - 05:32. Astro Dark: 20:35 - 04:55

Total Clouds (% Sky Obscured)

24
34
48
62
54
55
58
53
46
23
15
8
0
2
3
4
4
4
3
2
1
0
0
0

Low Clouds (% Sky Obscured)

3
19
34
50
33
17
0
19
39
23
15
8
0
2
2
2
2
2
2
1
0
0
0
0

Medium Clouds (% Sky Obscured)

10
7
4
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

24
34
18
0
1
2
2
2
1
1
1
0
0
0
0
1
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
5
6
8
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

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

Precipitation Probability (%)

64
56
46
28
22
15
2
3
3
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0.3
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
9
9
9
9
11
12
13
13
14
14
14
14
14
13
13
12
10
8
6
5
5
4
4

Chance of Frost

Temperature (°C)

16
15
14
13
12
13
12
12
13
14
15
17
18
19
20
20
19
18
16
14
12
11
9
9

Feels Like (°C)

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

Dew Point (°C)

14
14
13
12
10
10
9
8
7
5
3
3
3
3
3
2
2
2
2
2
2
3
3
3

Relative Humidity (%)

86
95
92
89
86
83
80
77
64
52
43
39
36
33
32
31
31
35
40
45
50
56
62
65

Pressure (mb)

1015
1015
1015
1016
1016
1017
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1022
1023
1023
1024
1024
1025
1025

Ozone (du)

291
293
292
291
289
289
288
288
287
287
286
286
287
287
287
288
288
288
289
289
289
289
289
288

Saturday 20

Waning Crescent 1%

05:12

18:27

Sun - Rise: 06:38, Set: 18:52, Transit: 12:45. Moon - Rise: 05:12, Set: 18:27. Civil Dark: 19:22 - 06:08. Nautical Dark: 19:57 - 05:33. Astro Dark: 20:33 - 04:57

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 Sorel-Tracy, Montérégie, Canada (46.04,-73.11)

Generated: 14/09/25 01:11:22. Forecast: 14/09/25 to 20/09/25. Timezone: UTC-4.00