Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 12

Waning Crescent 5%

03:48

19:42

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

Sun - Rise: 05:18, Set: 20:41, Transit: 13:00. Moon - Rise: 03:48, Set: 19:42. Civil Dark: 21:18 - 04:41. Nautical Dark: 22:06 - 03:54. Astro Dark: 23:07 - 02:54

Total Clouds (% Sky Obscured)

0
0
0
0
4
5
8
71
47
93
100
100
81
63
51
47
50
49
50
49
45
59
40
10

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
24
3
0
0
28
25
21
9
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
19
30
43
52
100
50
56
28
2
2
0
0
0
45
40
4
7

High Clouds (% Sky Obscured)

0
0
0
0
3
4
5
52
25
62
100
100
58
5
22
41
50
49
50
49
45
59
40
2

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 (%)

6
13
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
2
2
2
2
3
2
2
2
2
3
5
6
5
5
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

17
16
15
20
21
22
23
25
26
27
27
28
28
28
27
27
26
24
23
22
21
21
20
20

Feels Like (°C)

18
18
17
22
23
24
25
27
27
28
27
27
27
27
28
28
27
24
23
22
21
20
20
19

Dew Point (°C)

12
11
11
14
14
14
14
15
15
14
14
15
15
15
15
17
19
19
18
17
17
16
16
15

Relative Humidity (%)

75
75
74
71
65
61
56
52
49
46
44
44
45
45
47
55
66
71
74
75
75
75
75
76

Pressure (mb)

1021
1021
1021
1022
1023
1023
1023
1023
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1021
1020
1020
1020
1020
1020

Ozone (du)

359
358
359
357
355
352
351
352
352
350
348
348
344
342
341
341
340
340
341
342
344
345
344
342

Monday 13

Waning Crescent 1%

No Rise

20:37

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

Sun - Rise: 05:19, Set: 20:41, Transit: 13:00. Moon - Rise: No Rise, Set: 20:37. Civil Dark: 21:17 - 04:42. Nautical Dark: 22:05 - 03:56. Astro Dark: 23:05 - 02:56

Total Clouds (% Sky Obscured)

70
45
69
83
25
20
41
100
100
100
99
75
68
29
3
68
100
100
74
96
100
100
100
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
5
5
7
9
1
0
0
0
1
0
0
0
0
24
23

Medium Clouds (% Sky Obscured)

5
3
3
10
20
10
3
38
84
79
74
42
34
26
1
6
0
0
4
60
68
81
64
38

High Clouds (% Sky Obscured)

66
45
69
81
7
11
30
99
100
100
34
3
45
3
3
45
100
100
74
79
100
100
100
98

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
4
20
7
25
1
0
0
3
20
39
17
1
6
6
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
4
5
7
9
10
10
10
9
9
9
11
9
10
8
8
7
8
8
9
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
19
18
19
20
23
24
26
26
26
27
28
29
29
30
31
30
27
25
24
22
20
21
21

Dew Point (°C)

15
16
15
15
14
15
15
16
17
19
21
21
19
21
19
21
23
22
21
21
19
16
14
15

Relative Humidity (%)

78
81
78
75
65
59
56
54
52
59
66
64
54
60
54
64
78
81
80
84
79
64
60
62

Pressure (mb)

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

Ozone (du)

340
338
340
339
340
340
340
343
346
345
348
349
345
343
339
337
334
332
327
324
322
322
319
316

Tuesday 14

New Moon 0%

05:09

21:17

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

Sun - Rise: 05:20, Set: 20:40, Transit: 13:00. Moon - Rise: 05:09, Set: 21:17. Civil Dark: 21:16 - 04:43. Nautical Dark: 22:04 - 03:57. Astro Dark: 23:04 - 02:58

Total Clouds (% Sky Obscured)

100
98
68
84
24
100
50
92
91
37
48
58
76
82
12
86
98
95
94
96
90
99
90
81

Low Clouds (% Sky Obscured)

0
0
0
0
3
11
33
39
43
35
42
4
31
38
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

6
20
0
23
2
15
4
16
4
7
0
0
16
26
3
11
60
70
94
96
64
35
79
81

High Clouds (% Sky Obscured)

100
98
68
81
15
100
39
90
91
18
10
15
44
59
5
50
94
84
83
89
53
67
78
57

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
8
1
8
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
Very Light Rain
Light Rain
Light Rain
Moderate Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
59
87
95
95
53
25
13
14
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.9
1
6.4
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
22
23
24
26
27
28
29
30
31
32
33
34
34
33
32
30
29
26
26
25
24
24

Feels Like (°C)

20
20
21
21
23
26
26
27
28
29
32
33
35
35
34
34
33
32
29
25
26
26
25
24

Dew Point (°C)

14
13
14
16
18
19
20
20
21
21
22
22
23
24
24
25
25
27
27
25
24
23
23
20

Relative Humidity (%)

59
56
59
65
68
66
66
62
63
59
58
54
53
56
57
62
68
87
88
92
91
92
94
80

Pressure (mb)

1013
1012
1012
1011
1010
1010
1009
1009
1008
1008
1007
1006
1005
1004
1004
1003
1002
1003
1004
1005
1005
1006
1006
1007

Ozone (du)

314
313
312
309
308
307
307
308
308
308
308
308
310
311
311
310
307
311
309
314
316
319
322
327

Wednesday 15

Waxing Crescent 3%

06:34

21:48

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

Sun - Rise: 05:21, Set: 20:39, Transit: 13:00. Moon - Rise: 06:34, Set: 21:48. Civil Dark: 21:15 - 04:44. Nautical Dark: 22:03 - 03:58. Astro Dark: 23:02 - 03:00

Total Clouds (% Sky Obscured)

66
42
28
19
15
14
11
14
18
26
31
36
47
65
27
59
29
60
49
20
47
49
35
51

Low Clouds (% Sky Obscured)

0
0
0
0
7
13
11
14
18
26
24
12
0
0
0
5
2
2
5
0
0
0
0
0

Medium Clouds (% Sky Obscured)

23
18
14
10
7
3
0
0
0
0
8
18
28
65
21
59
27
51
43
16
47
49
22
51

High Clouds (% Sky Obscured)

28
4
0
0
0
0
0
0
0
0
0
0
12
20
0
0
0
0
0
0
0
0
0
2

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 (%)

3
4
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
10
6
7
2
1

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)

5
5
5
6
7
8
9
11
12
13
15
15
14
14
12
11
9
7
7
7
7
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

19
19
19
17
15
13
12
12
13
13
14
15
15
16
18
18
18
18
17
12
12
12
10
12

Relative Humidity (%)

79
84
84
74
61
49
42
41
42
42
44
44
43
48
57
57
59
64
63
49
53
54
49
58

Pressure (mb)

1007
1007
1008
1008
1009
1009
1008
1008
1007
1007
1006
1006
1006
1005
1005
1005
1005
1005
1006
1006
1006
1006
1007
1007

Ozone (du)

335
340
341
345
350
354
356
356
355
354
352
350
349
349
351
351
354
357
360
366
374
379
383
385

Thursday 16

Waxing Crescent 8%

07:58

22:12

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

Sun - Rise: 05:22, Set: 20:38, Transit: 13:00. Moon - Rise: 07:58, Set: 22:12. Civil Dark: 21:14 - 04:45. Nautical Dark: 22:02 - N/A. Astro Dark: 23:00 - 03:02

Total Clouds (% Sky Obscured)

60
46
16
40
18
47
72
56
70
64
73
63
52
46
41
35
35
37
36
44
52
60
69
78

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
4
6
24
12
0
0
0
0
0
0
0
14
28
43
57
69

Medium Clouds (% Sky Obscured)

60
46
11
40
14
18
30
27
22
17
30
32
31
28
26
23
24
28
30
37
35
30
35
40

High Clouds (% Sky Obscured)

45
0
0
40
0
6
2
0
0
0
0
0
0
0
0
0
0
0
0
3
5
7
5
2

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
3
17
16
24
23
15
16
14
7
10
8
0
1
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
9
10
11
11
12
11
13
13
13
14
12
11
10
9
7
6
6
5
5
5

Chance of Frost

Temperature (°C)

20
20
20
20
20
21
22
23
24
24
25
25
25
25
24
23
22
21
20
19
18
18
17
17

Feels Like (°C)

19
18
17
19
17
18
18
19
21
21
21
22
22
23
22
22
22
19
19
19
19
18
17
15

Dew Point (°C)

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

Relative Humidity (%)

59
47
47
49
48
45
45
47
42
48
46
47
48
48
51
55
58
58
58
60
61
60
61
61

Pressure (mb)

1007
1007
1008
1009
1009
1010
1009
1009
1009
1009
1009
1008
1008
1008
1009
1009
1010
1010
1011
1011
1012
1012
1012
1013

Ozone (du)

384
391
387
384
374
370
372
376
374
371
370
370
371
371
374
376
379
376
372
369
376
384
391
389

Friday 17

Waxing Crescent 16%

09:16

22:32

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

Sun - Rise: 05:22, Set: 20:38, Transit: 13:00. Moon - Rise: 09:16, Set: 22:32. Civil Dark: 21:14 - 04:47. Nautical Dark: 22:00 - 04:00. Astro Dark: 22:58 - 03:04

Total Clouds (% Sky Obscured)

86
71
55
37
45
52
51
64
76
95
91
87
84
67
53
37
49
60
72
79
85
92
97
99

Low Clouds (% Sky Obscured)

85
65
46
26
39
52
51
59
54
49
45
41
36
26
15
5
5
5
2
2
1
1
1
1

Medium Clouds (% Sky Obscured)

45
30
15
0
8
16
24
41
56
64
60
59
53
29
16
7
4
5
10
17
20
20
35
48

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
25
47
65
35
35
29
38
53
37
49
60
72
74
51
27
54
79

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
3
4
4
6
5
1
4
3
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
15
15
14
14
15
16
18
20
18
18
18
18
19
19
18
19
20
19
19
18
14

Dew Point (°C)

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

Relative Humidity (%)

61
63
63
63
64
56
49
43
45
47
50
47
45
43
47
50
54
56
60
62
65
68
71
68

Pressure (mb)

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

Ozone (du)

387
386
382
379
375
375
375
375
376
377
378
377
375
374
370
366
362
363
364
365
365
365
365
364

Saturday 18

Waxing Crescent 25%

10:31

22:50

Sun - Rise: 05:23, Set: 20:37, Transit: 13:00. Moon - Rise: 10:31, Set: 22:50. Civil Dark: 21:13 - 04:48. Nautical Dark: 21:59 - 04:01. Astro Dark: 22:57 - 03:06

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, Montréal, Canada (45.50,-73.57)

Generated: 12/07/26 04:06:27. Forecast: 12/07/26 to 18/07/26. Timezone: UTC-4.00