Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 10

Full Moon 100%

21:12

04:26

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

Sun - Rise: 05:16, Set: 20:42, Transit: 12:59. Moon - Rise: 21:12, Set: 04:26. Civil Dark: 21:19 - 04:40. Nautical Dark: 22:08 - 03:51. Astro Dark: 23:10 - 02:49

Total Clouds (% Sky Obscured)

38
62
70
60
61
56
50
39
44
58
59
64
58
59
67
44
75
75
71
61
32
72
64
63

Low Clouds (% Sky Obscured)

0
0
0
0
0
6
0
0
0
27
32
64
58
48
57
44
41
48
52
47
28
36
26
32

Medium Clouds (% Sky Obscured)

38
54
70
49
56
45
47
39
44
56
57
37
38
45
33
32
30
36
26
16
0
0
0
15

High Clouds (% Sky Obscured)

14
58
2
22
7
0
2
0
0
0
0
0
0
1
33
0
75
75
71
22
15
71
59
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
5
9
4
5
5
3
9
9
9
9
9
4

Fog (%)

13
0
0
1
3
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
Very Light Rain
None
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Light Rain
None

Precipitation Probability (%)

0
0
0
0
1
5
5
11
12
14
16
50
65
60
88
66
91
95
95
94
24
8
57
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0.6
0
0.6
0.7
0.8
0.5
0
0
0.5
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
19
20
19
19
20
21
23
24
25
25
26
26
27
25
26
25
24
23
22
22
21
20

Feels Like (°C)

23
21
21
21
22
21
23
24
26
27
28
28
29
29
30
28
30
29
29
27
25
26
25
24

Dew Point (°C)

18
17
17
18
18
18
18
18
17
17
16
15
18
17
17
17
18
21
22
21
20
19
19
19

Relative Humidity (%)

89
89
89
89
92
91
86
79
71
63
58
54
61
58
56
62
64
75
85
87
87
87
88
93

Pressure (mb)

1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013

Ozone (du)

327
325
324
323
327
329
330
330
330
332
333
335
338
338
339
343
345
343
343
341
345
349
349
347

Friday 11

Waning Gibbous 100%

21:45

05:36

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

Sun - Rise: 05:17, Set: 20:42, Transit: 12:59. Moon - Rise: 21:45, Set: 05:36. Civil Dark: 21:18 - 04:40. Nautical Dark: 22:07 - 03:52. Astro Dark: 23:08 - 02:51

Total Clouds (% Sky Obscured)

38
55
25
23
62
30
24
29
41
77
78
74
98
80
82
71
82
69
54
87
85
7
1
14

Low Clouds (% Sky Obscured)

34
55
25
23
62
30
24
29
41
25
36
39
31
17
18
0
0
0
0
0
0
0
0
5

Medium Clouds (% Sky Obscured)

28
0
0
0
0
0
0
0
0
19
0
0
18
2
21
18
37
23
2
0
1
1
0
0

High Clouds (% Sky Obscured)

0
55
0
0
0
0
0
3
7
30
55
50
96
80
80
71
82
69
54
79
78
4
0
0

ISS Passover

Visibility (miles)

9
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
13
27
48
43
34
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
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 (%)

32
75
21
9
9
7
1
5
3
6
1
1
2
1
1
0
0
4
1
0
0
0
0
0

Precipitation Amount (mm)

0
0.7
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)

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

Chance of Frost

Temperature (°C)

20
20
19
19
19
19
20
21
22
24
25
26
27
28
28
29
29
29
28
28
26
25
24
23

Feels Like (°C)

21
23
22
22
22
22
23
24
25
25
25
27
27
28
28
29
29
29
30
29
28
28
28
27

Dew Point (°C)

19
19
19
19
19
18
19
19
18
17
18
18
17
18
17
17
18
20
21
23
23
22
21
20

Relative Humidity (%)

93
95
96
95
96
95
92
86
75
66
64
60
55
53
51
47
50
57
64
74
82
84
83
84

Pressure (mb)

1013
1013
1014
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1015
1015
1015
1015
1016
1016
1016

Ozone (du)

351
352
355
353
344
337
335
333
331
329
328
326
325
323
325
324
323
325
325
326
326
327
323
321

Saturday 12

Waning Gibbous 98%

22:12

06:50

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

Sun - Rise: 05:18, Set: 20:41, Transit: 13:00. Moon - Rise: 22:12, Set: 06:50. Civil Dark: 21:18 - 04:41. Nautical Dark: 22:06 - 03:54. Astro Dark: 23:07 - 02:53

Total Clouds (% Sky Obscured)

5
2
2
2
16
13
35
25
25
25
28
30
66
61
39
34
42
34
24
31
37
41
43
54

Low Clouds (% Sky Obscured)

0
1
1
1
1
1
1
0
0
0
4
3
0
3
9
22
15
0
0
0
3
1
4
0

Medium Clouds (% Sky Obscured)

5
0
0
0
0
0
0
0
1
1
2
21
66
61
39
5
38
30
4
19
25
17
24
28

High Clouds (% Sky Obscured)

0
0
0
0
16
13
35
25
25
25
28
30
35
34
31
32
30
30
24
29
29
21
14
17

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
13
3
31
59
5
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
2
3
1
0
2
18
3
2
1
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
1
2
1
2
2
3
3
3
4
4
4
4
3
3
4
5
5
4
3
3

Chance of Frost

Temperature (°C)

23
22
22
22
21
21
22
23
25
26
28
29
30
30
31
31
31
31
30
28
27
26
25
25

Feels Like (°C)

26
26
26
26
26
24
25
25
27
28
31
31
32
32
33
33
33
32
33
31
30
29
28
28

Dew Point (°C)

20
20
19
20
19
19
19
19
19
20
20
20
20
20
20
19
19
20
22
24
24
23
22
22

Relative Humidity (%)

83
85
85
88
88
88
83
78
72
68
63
58
57
54
51
50
48
52
62
76
82
84
86
85

Pressure (mb)

1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

322
318
314
312
310
309
307
306
306
305
305
304
302
301
301
301
301
301
300
300
299
299
299
299

Sunday 13

Waning Gibbous 94%

22:34

08:06

01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK
08 OK
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: 05:19, Set: 20:40, Transit: 13:00. Moon - Rise: 22:34, Set: 08:06. Civil Dark: 21:17 - 04:43. Nautical Dark: 22:05 - 03:55. Astro Dark: 23:05 - 02:54

Total Clouds (% Sky Obscured)

45
62
51
54
51
47
42
37
33
25
27
27
34
50
45
95
97
96
100
95
90
84
90
95

Low Clouds (% Sky Obscured)

0
9
16
19
13
5
0
0
0
0
2
3
4
18
5
32
29
3
23
72
41
48
41
50

Medium Clouds (% Sky Obscured)

35
31
32
28
29
28
25
22
19
12
11
11
10
11
17
46
91
29
37
72
69
67
56
63

High Clouds (% Sky Obscured)

5
15
2
1
3
6
9
6
3
0
0
0
2
5
7
26
51
73
100
77
51
26
51
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
4
9
1
9
7
4
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
Light Rain
Very Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
3
5
3
26
4
27
30
22
23
39
95
85
95
95
95
95
95
95
65

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2.2
0.2
0.7
3.9
2.4
0.8
1.9
1.1
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
24
23
23
23
23
24
25
26
28
29
30
31
32
32
32
30
29
29
27
26
25
24
24

Feels Like (°C)

26
27
25
27
27
27
27
28
30
31
32
33
34
35
35
36
34
33
33
28
30
27
26
26

Dew Point (°C)

22
21
21
21
22
22
21
20
20
20
20
20
20
19
19
19
28
27
27
26
25
24
24
23

Relative Humidity (%)

85
84
85
88
94
92
84
74
67
64
58
55
52
47
45
46
90
86
86
95
95
95
95
97

Pressure (mb)

1015
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

299
298
298
299
301
301
300
300
301
302
303
303
303
304
304
303
301
303
304
302
303
302
302
303

Monday 14

Waning Gibbous 87%

22:53

09:21

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 OK
23 OK
00 Good

Sun - Rise: 05:20, Set: 20:40, Transit: 13:00. Moon - Rise: 22:53, Set: 09:21. Civil Dark: 21:16 - 04:44. Nautical Dark: 22:04 - 03:56. Astro Dark: 23:03 - 02:56

Total Clouds (% Sky Obscured)

100
100
100
87
88
96
100
98
97
98
96
95
91
95
86
83
83
79
75
55
49
29
10
6

Low Clouds (% Sky Obscured)

63
72
77
75
76
77
65
59
62
64
77
61
50
44
39
35
29
25
21
15
8
0
0
0

Medium Clouds (% Sky Obscured)

70
73
72
65
51
38
34
87
88
86
74
57
45
56
57
54
51
52
48
31
23
13
7
4

High Clouds (% Sky Obscured)

100
100
100
87
88
96
100
73
47
25
25
30
25
17
22
26
27
38
45
49
49
29
10
6

ISS Passover

Visibility (miles)

9
9
8
9
9
9
4
9
9
9
9
9
9
9
8
8
7
8
8
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

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

Precipitation Probability (%)

75
95
95
95
95
95
95
89
86
56
52
44
34
53
60
64
64
60
51
34
19
3
2
0

Precipitation Amount (mm)

0.2
1.2
1
1
1.1
0.8
0.5
0.4
0.5
0
0
0
0
0
0.2
0.2
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
23
23
22
22
22
22
23
24
24
25
26
27
29
28
28
29
28
28
27
26
24
23
23

Feels Like (°C)

25
25
25
24
24
24
24
25
26
27
27
28
29
31
30
31
31
31
32
31
27
27
27
27

Dew Point (°C)

23
23
22
22
22
22
22
21
21
22
22
23
22
22
23
24
25
25
25
24
24
23
22
22

Relative Humidity (%)

95
97
98
96
98
98
96
92
87
87
83
82
74
67
72
77
82
83
86
86
88
89
91
92

Pressure (mb)

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

Ozone (du)

303
303
304
304
304
304
303
304
304
304
305
305
306
309
310
310
311
313
314
316
319
322
325
324

Tuesday 15

Waning Gibbous 78%

23:12

10:36

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

Sun - Rise: 05:21, Set: 20:39, Transit: 13:00. Moon - Rise: 23:12, Set: 10:36. Civil Dark: 21:15 - 04:45. Nautical Dark: 22:02 - 03:57. Astro Dark: 23:02 - 02:58

Total Clouds (% Sky Obscured)

0
0
0
0
12
19
25
21
12
9
12
14
12
19
34
49
46
42
40
48
51
65
78
90

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
0
0
0
0
3
6
9
6
3
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
12
19
25
21
12
9
12
14
12
19
23
5
7
6
7
22
36
56
78
88

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
1
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
6
6
7
7
7
8
8
8
8
8
9
9
9
9
8
8
7
6
5
4
4
4
4

Chance of Frost

Temperature (°C)

22
22
22
21
21
22
22
23
24
26
27
28
29
30
30
30
30
29
27
26
25
24
23
23

Feels Like (°C)

26
26
25
25
25
24
24
24
27
27
27
28
29
29
34
33
32
32
32
32
27
27
28
27

Dew Point (°C)

21
21
21
21
21
20
20
20
19
20
19
19
19
19
19
19
18
19
20
20
20
19
19
18

Relative Humidity (%)

94
95
95
96
96
91
87
83
74
69
62
58
54
50
50
50
49
55
62
70
72
73
75
76

Pressure (mb)

1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

322
320
320
320
319
320
321
322
321
321
320
321
321
321
321
320
320
317
315
313
312
311
309
309

Wednesday 16

Waning Gibbous 68%

23:30

11:52

Sun - Rise: 05:22, Set: 20:38, Transit: 13:00. Moon - Rise: 23:30, Set: 11:52. Civil Dark: 21:14 - 04:46. Nautical Dark: 22:01 - 03:59. Astro Dark: 23:00 - 03:00

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 Le Vieux-Port, Montr�al, Canada (45.50,-73.57)

Generated: 10/07/25 01:14:08. Forecast: 10/07/25 to 16/07/25. Timezone: UTC-4.00