Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 9

Waning Crescent 14%

02:41

18:25

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

Sun - Rise: 05:50, Set: 20:10, Transit: 12:59. Moon - Rise: 02:41, Set: 18:25. Civil Dark: 20:43 - 05:17. Nautical Dark: 21:24 - 04:36. Astro Dark: 22:10 - 03:50

Total Clouds (% Sky Obscured)

80
77
79
38
33
35
26
56
47
60
62
41
6
25
100
100
27
37
81
96
100
100
100
100

Low Clouds (% Sky Obscured)

63
57
61
38
33
35
26
3
25
17
39
35
4
0
0
0
0
0
0
0
10
15
15
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
22
14
23
22
13
0
0
0
18
11
26
81
96
100
100
100
99

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
21
4
0
0
0
2
22
100
100
22
31
61
80
100
100
56
41

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
4
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
10

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
6
8
10
10
11
11
12
12
13
13
13
12
10
9
6
5
6
6
7
6
5
4
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
89
80
70
62
57
54
51
51
52
55
59
61
64
63
63
67
70
72
74
75
75
76

Pressure (mb)

1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

325
323
323
322
322
321
322
322
325
324
324
322
320
321
321
320
318
317
316
317
318
316
318
318

Monday 10

Waning Crescent 6%

04:04

19:11

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
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:51, Set: 20:08, Transit: 12:59. Moon - Rise: 04:04, Set: 19:11. Civil Dark: 20:41 - 05:18. Nautical Dark: 21:22 - 04:38. Astro Dark: 22:08 - 03:52

Total Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
100
100
100
97
100
96
93
99
93
96
99
95
78
54
71
65

Low Clouds (% Sky Obscured)

0
0
1
3
4
2
3
50
42
40
43
35
54
33
79
64
82
94
98
86
68
53
60
55

Medium Clouds (% Sky Obscured)

89
70
49
68
97
78
82
86
91
81
83
89
66
37
42
30
42
25
40
36
0
0
0
0

High Clouds (% Sky Obscured)

88
100
100
99
100
100
100
100
100
100
100
35
70
70
71
71
76
71
0
0
8
2
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
6
9
9
8
4
9
7
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
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
None

Precipitation Probability (%)

2
0
0
0
1
4
9
27
36
17
23
25
9
31
79
95
95
95
95
86
45
46
23
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.5
0
2.2
0.6
0.6
0
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
21
22
24
24
25
25
26
26
25
25
24
24
23
21
21
21
20
20
20
20
20
20

Feels Like (°C)

20
20
21
22
23
24
25
25
25
26
26
26
26
25
24
23
23
23
22
21
21
21
21
20

Dew Point (°C)

16
16
16
15
16
17
17
18
18
20
21
22
23
22
21
20
20
20
20
19
20
20
20
19

Relative Humidity (%)

77
75
70
64
60
65
61
63
63
72
77
84
89
88
89
92
94
95
95
95
98
100
98
96

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1012
1011
1011
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1007
1007
1007
1007

Ozone (du)

318
316
318
319
318
318
317
320
318
321
324
328
332
336
338
341
343
337
336
331
330
328
330
332

Tuesday 11

Waning Crescent 2%

05:28

19:45

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

Sun - Rise: 05:52, Set: 20:07, Transit: 12:59. Moon - Rise: 05:28, Set: 19:45. Civil Dark: 20:40 - 05:20. Nautical Dark: 21:20 - 04:39. Astro Dark: 22:05 - 03:54

Total Clouds (% Sky Obscured)

70
38
37
81
76
84
43
45
17
84
36
57
53
66
63
60
23
72
68
35
41
58
69
79

Low Clouds (% Sky Obscured)

61
38
37
52
56
51
43
45
17
28
28
32
11
13
28
49
23
57
54
0
22
37
38
4

Medium Clouds (% Sky Obscured)

0
0
0
21
0
24
18
23
0
65
10
0
0
0
0
10
2
13
18
1
32
33
40
39

High Clouds (% Sky Obscured)

0
0
0
33
45
47
2
3
0
2
15
57
53
65
60
5
0
45
50
35
11
50
69
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 (%)

23
5
2
2
1
0
0
0
0
0
2
3
1
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)

9
8
10
9
9
9
9
10
12
12
13
12
11
9
7
6
5
5
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

19
19
19
17
15
13
11
10
9
12
15
15
15
16
17
17
17
17
14
13
13
13
13
14

Relative Humidity (%)

95
96
92
80
62
50
40
35
33
38
49
51
52
57
64
69
74
77
67
65
68
69
69
73

Pressure (mb)

1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

335
334
334
336
337
338
338
336
334
332
332
332
331
333
333
332
331
329
328
327
328
330
335
336

Wednesday 12

New Moon 0%

No Rise

20:12

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
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:53, Set: 20:05, Transit: 12:59. Moon - Rise: No Rise, Set: 20:12. Civil Dark: 20:38 - 05:21. Nautical Dark: 21:18 - 04:41. Astro Dark: 22:03 - 03:56

Total Clouds (% Sky Obscured)

90
100
100
100
100
97
94
90
94
97
100
97
100
100
86
67
47
49
53
59
70
82
92
89

Low Clouds (% Sky Obscured)

6
10
23
51
46
48
50
60
65
66
66
48
76
35
50
26
45
36
53
59
68
77
69
85

Medium Clouds (% Sky Obscured)

43
42
60
74
98
93
88
82
76
44
25
21
15
65
64
56
47
49
45
45
20
40
80
78

High Clouds (% Sky Obscured)

90
99
98
100
89
75
50
25
30
73
100
96
86
85
60
36
11
7
5
4
28
36
47
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
7
6
4
4

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

Precipitation Probability (%)

0
0
1
4
28
33
38
34
35
29
16
42
59
78
70
59
38
51
80
91
57
60
83
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.3
0
0
0
0.5
0.8
0.2
0.3
0.6
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
19
19
20
21
21
21
20
20
20
21
22
21
20
19
19
19
19
18
18
18
18
18
18

Feels Like (°C)

19
19
19
20
21
21
21
21
20
20
21
22
21
20
19
19
19
19
19
18
19
18
19
18

Dew Point (°C)

15
15
15
15
15
17
17
16
15
16
17
17
16
16
16
16
17
17
17
17
18
17
18
18

Relative Humidity (%)

78
77
75
70
66
76
79
75
71
75
77
73
73
78
82
85
89
89
93
95
98
98
98
100

Pressure (mb)

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

Ozone (du)

336
338
340
341
340
339
340
344
342
340
343
344
345
346
348
348
346
345
341
341
345
348
349
352

Thursday 13

Waxing Crescent 1%

06:50

20:34

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

Sun - Rise: 05:54, Set: 20:04, Transit: 12:58. Moon - Rise: 06:50, Set: 20:34. Civil Dark: 20:36 - 05:22. Nautical Dark: 21:16 - 04:42. Astro Dark: 22:01 - 03:58

Total Clouds (% Sky Obscured)

85
81
75
69
52
50
43
40
38
39
36
38
60
32
34
39
43
40
40
41
34
34
35
34

Low Clouds (% Sky Obscured)

84
81
75
53
25
28
25
25
21
18
17
18
60
17
27
37
43
40
40
41
34
34
35
34

Medium Clouds (% Sky Obscured)

73
70
56
47
2
0
0
0
5
9
14
11
9
5
7
9
13
9
5
2
2
1
0
4

High Clouds (% Sky Obscured)

32
25
0
40
0
0
0
0
0
1
2
1
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
2
9
9
9
9
9
3
8
9
8
6
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
94
85
93
72
83
87
87
75
68
58
26
1
10
9
4
2
1
0
0
0
0
0

Precipitation Amount (mm)

1.1
1.1
0.6
0.5
0.7
0.3
0.5
0.6
0.5
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
18
19
19
20
20
20
20
19
19
19
18
16
16
15
15
14
14
14
14
12
12
12

Dew Point (°C)

17
17
17
18
18
18
14
17
16
16
16
17
17
15
14
13
13
12
11
11
11
10
9
9

Relative Humidity (%)

98
98
96
95
89
84
63
77
73
70
69
75
79
78
75
73
73
72
73
73
73
70
68
66

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1007
1007
1008
1009
1009
1010
1011
1011
1011
1011
1012
1012
1012

Ozone (du)

355
358
363
367
378
383
384
383
382
382
378
377
373
370
368
369
370
371
372
373
374
373
371
370

Friday 14

Waxing Crescent 5%

08:07

20:53

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

Sun - Rise: 05:56, Set: 20:02, Transit: 12:58. Moon - Rise: 08:07, Set: 20:53. Civil Dark: 20:34 - 05:24. Nautical Dark: 21:14 - 04:44. Astro Dark: 21:59 - 04:00

Total Clouds (% Sky Obscured)

38
42
38
35
32
53
74
95
90
85
80
70
58
46
50
53
51
43
29
18
15
12
9
13

Low Clouds (% Sky Obscured)

38
34
27
19
15
34
55
78
53
29
9
3
6
19
37
53
51
43
29
18
15
12
9
13

Medium Clouds (% Sky Obscured)

8
13
10
10
8
19
32
52
66
68
65
56
51
46
50
53
51
43
29
13
9
5
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
1
9
18
26
19
15
11
10
10
9
6
3
3
1

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
11
13
14
15
13
7
16
17
7
14
12
3
3
2
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
7
8
8
9
10
11
11
12
12
11
10
9
9
9
9
9
9
8
8
8
7

Chance of Frost

Temperature (°C)

15
15
15
16
18
19
19
19
20
20
21
21
21
20
19
18
18
17
17
16
16
15
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
70
73
64
57
51
54
55
56
54
51
49
52
55
58
58
58
59
59
59
58
59
60
62

Pressure (mb)

1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1017

Ozone (du)

371
373
374
374
374
374
375
376
377
379
381
384
378
373
367
367
367
367
366
366
366
365
364
363

Saturday 15

Waxing Crescent 12%

09:21

21:11

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

Sun - Rise: 05:57, Set: 20:01, Transit: 12:58. Moon - Rise: 09:21, Set: 21:11. Civil Dark: 20:33 - 05:25. Nautical Dark: 21:12 - 04:45. Astro Dark: 21:56 - 04:02

Total Clouds (% Sky Obscured)

12
10
26
39
56
47
38
29
37
45
53
37
20
7
5
2
0
0
0
0

Low Clouds (% Sky Obscured)

12
10
26
37
55
40
31
23
27
35
42
34
19
7
5
2
0
0
0
0

Medium Clouds (% Sky Obscured)

2
2
3
2
2
3
4
5
14
20
30
23
10
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
0
0
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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
7
7
3
4
3
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
17
18
20
21
22
22
23
23
23
22
21
20
19
18
17
17
17

Feels Like (°C)

12
11
11
12
13
14
14
15
16
21
21
21
21
21
22
19
18
18
18
18

Dew Point (°C)

7
8
8
8
9
9
9
10
10
11
12
13
12
12
12
11
11
10
10
10

Relative Humidity (%)

61
61
61
57
54
50
48
46
44
47
49
53
55
59
61
61
63
64
63
63

Pressure (mb)

1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020

Ozone (du)

363
363
362
361
360
359
359
359
359
360
362
364
364
363
363
358
353
348
344
340

Forecast for Le Vieux-Port, Montréal, Canada (45.50,-73.57)

Generated: 09/08/26 06:32:20. Forecast: 09/08/26 to 15/08/26. Timezone: UTC-4.00