Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 7

Waning Gibbous 84%

19:05

10:27

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

Sun - Rise: 07:24, Set: 16:11, Transit: 11:48. Moon - Rise: 19:05, Set: 10:27. Civil Dark: 16:45 - 06:50. Nautical Dark: 17:23 - 06:13. Astro Dark: 17:59 - 05:36

Total Clouds (% Sky Obscured)

3
24
47
53
77
91
100
100
100
100
100
100
100
100
95
95
30
25
30
35
30
30
15
3

Low Clouds (% Sky Obscured)

2
6
5
4
10
29
50
79
81
89
94
91
89
88
87
60
30
25
30
35
25
30
15
3

Medium Clouds (% Sky Obscured)

3
24
47
51
74
71
100
100
100
100
100
100
100
100
90
90
25
0
0
2
14
0
0
0

High Clouds (% Sky Obscured)

3
2
4
4
7
80
86
97
100
50
40
1
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
0
0
0
0
1
8
6
5
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
2
11
22
40
50
51
44
31
12
5
1
1
1
2
1
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
3
4
3
3
3
3
3
3
3
3
4
3
2
2
2
3
4
5
5
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-17
-20
-22
-19
-19
-17
-16
-15
-15
-15
-14
-15
-15
-15
-16
-16
-17
-18
-20
-20
-20
-21
-22
-22

Dew Point (°C)

-17
-19
-20
-19
-19
-18
-17
-16
-16
-15
-15
-14
-13
-13
-14
-14
-15
-16
-17
-18
-19
-20
-20
-20

Relative Humidity (%)

82
83
83
84
81
72
67
67
67
68
70
78
88
88
88
88
88
90
88
82
71
74
76
74

Pressure (mb)

1019
1020
1020
1021
1021
1021
1021
1020
1020
1019
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1021
1022
1023

Ozone (du)

372
376
377
375
376
380
381
385
392
401
400
392
392
395
393
390
394
395
398
406
405
410
420
427

Monday 8

Waning Gibbous 75%

20:26

11:02

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

Sun - Rise: 07:25, Set: 16:11, Transit: 11:48. Moon - Rise: 20:26, Set: 11:02. Civil Dark: 16:45 - 06:51. Nautical Dark: 17:23 - 06:13. Astro Dark: 17:59 - 05:37

Total Clouds (% Sky Obscured)

2
0
0
1
1
1
1
1
2
2
23
25
6
7
7
7
20
31
85
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
0
0
1
1
1
1
1
2
2
20
21
2
2
3
1
2
1
9
9
15
10
12
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
4
5
20
31
84
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
4
20
31
17
37
56
20
22
37

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
1
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)

8
8
6
4
5
5
7
8
9
10
10
9
8
7
6
6
6
6
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

-18
-18
-18
-19
-19
-17
-15
-13
-12
-12
-11
-12
-13
-15
-15
-16
-16
-16
-16
-17
-17
-16
-16
-15

Feels Like (°C)

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

Dew Point (°C)

-22
-22
-23
-23
-23
-22
-20
-19
-18
-18
-17
-16
-16
-17
-17
-18
-18
-19
-19
-20
-19
-18
-18
-17

Relative Humidity (%)

70
70
69
69
70
67
64
61
60
61
65
72
76
81
82
81
81
79
77
79
80
82
83
84

Pressure (mb)

1023
1024
1025
1026
1026
1027
1027
1027
1026
1026
1025
1025
1026
1026
1026
1027
1026
1026
1026
1025
1025
1024
1024
1023

Ozone (du)

430
445
451
450
446
437
426
412
407
398
395
399
402
408
419
425
427
425
419
415
415
420
422
423

Tuesday 9

Waning Gibbous 75%

21:43

11:28

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
02 Bad
03 Bad

Sun - Rise: 07:26, Set: 16:11, Transit: 11:49. Moon - Rise: 21:43, Set: 11:28. Civil Dark: 16:45 - 06:52. Nautical Dark: 17:23 - 06:14. Astro Dark: 17:59 - 05:38

Total Clouds (% Sky Obscured)

94
61
80
82
94
97
95
100
100
100
100
100
98
100
100
98
96
96
98
99
96
97
98
99

Low Clouds (% Sky Obscured)

9
6
7
4
61
5
5
9
14
19
14
15
50
75
84
91
90
94
92
92
90
89
88
86

Medium Clouds (% Sky Obscured)

93
61
78
80
81
86
94
100
100
100
83
100
96
100
100
94
89
88
71
84
69
70
57
54

High Clouds (% Sky Obscured)

48
7
12
14
29
36
40
86
94
96
100
81
60
100
100
40
25
25
1
0
2
20
66
83

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
0
0
0
0
0
0
0
0
0

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
1
0
0
0
0
0
8
43
76
87
81
79
82
70
62
61
65

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.5
0.7
0.6
0.6
0.6
0.4
0.4
0.4
0.4

Wind Speed/Direction (mph)

5
5
4
4
3
3
4
4
4
4
5
5
5
4
4
3
4
4
5
4
4
3
3
3

Chance of Frost

Temperature (°C)

-16
-16
-16
-17
-17
-14
-12
-11
-10
-9
-9
-9
-9
-9
-9
-9
-9
-8
-8
-8
-8
-8
-8
-8

Feels Like (°C)

-20
-20
-20
-21
-21
-17
-16
-14
-14
-13
-13
-12
-13
-13
-13
-13
-13
-12
-12
-12
-11
-11
-11
-11

Dew Point (°C)

-18
-18
-18
-18
-18
-16
-15
-14
-13
-13
-13
-12
-11
-11
-11
-10
-10
-9
-9
-9
-8
-8
-8
-8

Relative Humidity (%)

84
86
86
85
87
83
79
78
75
72
72
78
85
85
88
92
94
94
94
94
94
96
96
94

Pressure (mb)

1022
1022
1021
1021
1020
1019
1018
1017
1015
1014
1012
1011
1010
1009
1008
1007
1006
1005
1004
1003
1002
1001
1001
1001

Ozone (du)

422
423
425
422
421
422
420
418
417
415
413
416
421
418
420
424
423
419
419
414
397
380
368
359

Wednesday 10

Waning Gibbous 65%

22:55

11:48

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
02 Bad
03 Bad

Sun - Rise: 07:27, Set: 16:11, Transit: 11:49. Moon - Rise: 22:55, Set: 11:48. Civil Dark: 16:45 - 06:53. Nautical Dark: 17:23 - 06:15. Astro Dark: 17:59 - 05:39

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
100
100
100
100
99
99
98
98
99
100
100
100
83
72
67
68

Low Clouds (% Sky Obscured)

89
92
95
96
96
96
95
93
93
94
96
97
95
94
95
97
95
95
93
84
48
31
36
39

Medium Clouds (% Sky Obscured)

62
80
100
100
100
100
99
99
98
99
99
100
99
97
87
97
98
99
99
99
62
70
67
68

High Clouds (% Sky Obscured)

90
95
100
100
100
100
92
83
75
55
35
5
13
17
0
0
0
4
29
58
83
58
26
0

ISS Passover

Visibility (miles)

0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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

Snow
Snow
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

53
37
25
32
49
75
95
95
95
95
95
95
95
95
95
95
95
91
39
20
14
13
10
3

Precipitation Amount (mm)

0.3
0.1
0
0
0.2
0.5
1
1.4
1.8
1.9
1.9
1.6
1.8
1.9
1
0.8
0.9
0.8
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-8
-8
-7
-7
-6
-5
-4
-4
-3
-2
-3
-3
-3
-3
-2
-2
-1
-2
-2
-3
-4
-6
-7
-9

Feels Like (°C)

-11
-11
-10
-10
-9
-8
-7
-7
-7
-6
-7
-7
-6
-6
-6
-7
-7
-7
-7
-8
-10
-11
-12
-14

Dew Point (°C)

-8
-8
-8
-7
-6
-6
-4
-4
-3
-3
-3
-3
-3
-3
-2
-2
-2
-2
-2
-5
-7
-9
-10
-12

Relative Humidity (%)

96
96
96
96
98
96
96
98
98
98
98
98
100
98
100
100
98
100
98
82
81
77
79
77

Pressure (mb)

1000
1000
1000
999
998
997
997
995
993
992
991
990
990
990
989
990
990
990
991
993
994
996
998
1000

Ozone (du)

348
342
338
337
336
338
342
345
349
349
348
349
348
349
357
355
354
354
352
350
352
354
354
349

Thursday 11

Third Quarter 54%

00:04

12:06

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

Sun - Rise: 07:28, Set: 16:11, Transit: 11:50. Moon - Rise: 00:04, Set: 12:06. Civil Dark: 16:45 - 06:54. Nautical Dark: 17:23 - 06:16. Astro Dark: 17:59 - 05:40

Total Clouds (% Sky Obscured)

63
68
72
61
46
37
32
78
86
93
96
95
29
60
98
98
98
98
98
98
97
85
65
48

Low Clouds (% Sky Obscured)

39
33
26
23
19
15
11
23
15
20
30
38
3
24
49
61
58
52
30
7
0
0
0
0

Medium Clouds (% Sky Obscured)

63
68
72
61
46
32
24
18
14
20
42
72
29
31
35
38
46
44
39
33
25
22
19
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
1
2
4
27
51
70
64
49
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
2
5
7
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 (%)

5
3
1
2
1
0
0
0
0
1
1
3
3
4
3
8
9
5
8
8
2
4
3
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
9
8
8
8
8
8
9
9
10
9
8
7
6
5
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-17
-18
-17
-17
-16
-15
-15
-14
-15
-14
-15
-15
-14
-15
-15
-15
-15
-16
-16
-16
-20
-20

Dew Point (°C)

-14
-15
-16
-16
-16
-15
-14
-14
-12
-12
-11
-11
-12
-13
-13
-13
-14
-14
-15
-16
-17
-18
-19
-19

Relative Humidity (%)

75
75
76
78
79
79
80
77
78
80
83
85
85
85
86
85
86
86
86
84
86
84
83
80

Pressure (mb)

1001
1003
1004
1005
1006
1007
1008
1008
1008
1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011

Ozone (du)

344
340
338
335
336
340
347
346
342
340
345
353
355
355
356
357
357
357
357
357
357
357
358
359

Friday 12

Waning Crescent 44%

01:10

12:22

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

Sun - Rise: 07:29, Set: 16:11, Transit: 11:50. Moon - Rise: 01:10, Set: 12:22. Civil Dark: 16:46 - 06:54. Nautical Dark: 17:23 - 06:17. Astro Dark: 18:00 - 05:40

Total Clouds (% Sky Obscured)

42
44
57
57
76
75
81
79
81
65
48
32
34
39
43
29
15
1
20
27
19
13
13
13

Low Clouds (% Sky Obscured)

16
33
49
55
60
66
50
35
19
24
29
32
34
39
43
29
15
0
20
27
19
13
13
13

Medium Clouds (% Sky Obscured)

26
41
56
55
50
49
50
51
53
32
16
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

15
8
3
2
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
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 (%)

2
1
0
5
4
2
6
7
4
5
4
2
2
2
1
3
2
0
1
2
0
1
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
6
7
7
8
8
9
9
9
8
8
7
6
6
6
5
5
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-20
-20
-20
-20
-20
-20
-20
-20
-18
-18
-11
-11
-12
-12
-11
-11
-15
-15
-16
-15
-15
-16
-19
-19

Dew Point (°C)

-20
-20
-20
-20
-18
-17
-15
-14
-13
-12
-12
-12
-13
-13
-13
-13
-14
-15
-15
-16
-17
-18
-19
-19

Relative Humidity (%)

80
79
79
79
79
78
78
76
75
74
75
78
80
81
83
85
85
83
83
83
84
84
83
85

Pressure (mb)

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

Ozone (du)

360
361
363
365
365
366
366
369
373
376
375
375
374
374
373
372
369
366
364
362
359
357
355
353

Saturday 13

Waning Crescent 34%

02:16

12:37

04 OK
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

Sun - Rise: 07:29, Set: 16:12, Transit: 11:50. Moon - Rise: 02:16, Set: 12:37. Civil Dark: 16:46 - 06:55. Nautical Dark: 17:24 - 06:17. Astro Dark: 18:00 - 05:41

Total Clouds (% Sky Obscured)

22
43
53
58
74
73
68
59
51
52
57
63
69
78
87
90
94
99
100
100
100

Low Clouds (% Sky Obscured)

22
43
53
58
59
57
40
21
1
21
42
61
41
28
16
17
17
17
35
52
71

Medium Clouds (% Sky Obscured)

0
0
0
10
22
33
29
22
23
24
31
35
60
73
84
88
92
97
99
100
100

High Clouds (% Sky Obscured)

5
10
16
19
21
18
21
24
26
9
4
0
1
2
2
23
45
66
63
60
57

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4

Fog (%)

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

-18
-18
-18
-18
-16
-13
-11
-10
-9
-8
-9
-10
-11
-12
-12
-13
-13
-13
-14
-14
-13

Feels Like (°C)

-19
-19
-20
-20
-20
-19
-19
-17
-17
-15
-11
-12
-13
-14
-14
-15
-17
-16
-17
-17
-17

Dew Point (°C)

-20
-20
-20
-20
-18
-16
-14
-13
-13
-12
-12
-13
-13
-14
-14
-15
-15
-15
-16
-15
-15

Relative Humidity (%)

82
82
82
81
79
79
76
75
74
74
77
81
86
85
84
83
84
86
86
86
88

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

350
351
352
353
358
363
368
367
365
363
368
373
378
377
377
377
377
378
378
380
381

Forecast for Domaine-Laurentien, Laurentides, Canada (45.81,-74.06)

Generated: 07/12/25 04:14:00. Forecast: 07/12/25 to 13/12/25. Timezone: UTC-5.00