Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 7

Waning Gibbous 84%

18:47

10:19

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

Sun - Rise: 07:16, Set: 15:55, Transit: 11:35. Moon - Rise: 18:47, Set: 10:19. Civil Dark: 16:29 - 06:41. Nautical Dark: 17:08 - 06:02. Astro Dark: 17:45 - 05:26

Total Clouds (% Sky Obscured)

1
1
2
1
12
26
81
100
100
100
100
100
100
100
100
100
94
96
80
94
72
100
55
20

Low Clouds (% Sky Obscured)

1
1
1
0
0
0
1
3
13
48
50
50
50
50
45
45
45
20
43
35
35
35
35
14

Medium Clouds (% Sky Obscured)

0
0
0
0
4
23
76
100
100
100
100
100
100
100
100
100
90
90
8
46
27
100
34
2

High Clouds (% Sky Obscured)

0
0
0
1
3
14
57
86
48
45
40
40
24
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
4
3
1
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

-20
-22
-22
-15
-13
-12
-11
-11
-11
-11
-11
-12
-12
-12
-12
-12
-13
-13
-14
-15
-16
-16
-16
-16

Feels Like (°C)

-23
-25
-25
-17
-15
-14
-14
-15
-15
-16
-16
-16
-16
-16
-16
-17
-17
-17
-19
-20
-20
-20
-20
-21

Dew Point (°C)

-24
-25
-26
-20
-18
-17
-16
-16
-15
-14
-14
-14
-14
-14
-15
-15
-15
-16
-18
-19
-19
-19
-19
-20

Relative Humidity (%)

70
69
66
64
62
61
63
65
69
76
83
83
83
83
81
81
79
78
73
72
72
72
73
75

Pressure (mb)

1018
1019
1019
1019
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1017
1017
1017
1018
1018
1019
1019

Ozone (du)

401
400
401
401
403
408
407
405
406
409
411
417
432
445
451
449
430
418
426
447
453
448
445
454

Monday 8

Waning Gibbous 75%

20:09

10:53

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

Sun - Rise: 07:17, Set: 15:54, Transit: 11:36. Moon - Rise: 20:09, Set: 10:53. Civil Dark: 16:29 - 06:42. Nautical Dark: 17:08 - 06:03. Astro Dark: 17:45 - 05:27

Total Clouds (% Sky Obscured)

2
2
2
2
3
5
5
4
4
3
3
28
43
52
49
31
21
8
4
41
40
13
14
28

Low Clouds (% Sky Obscured)

1
1
1
1
1
2
2
1
1
1
1
13
16
22
22
21
19
8
3
3
7
13
14
28

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
1
1
1
35
35
2
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
3
1
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

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
6
8
9
10
10
11
11
12
11
10
9
8
8
7
8
7
7
7
7
8
8
7

Chance of Frost

Temperature (°C)

-17
-18
-18
-16
-15
-14
-12
-12
-12
-12
-14
-14
-15
-15
-16
-16
-16
-16
-17
-17
-18
-18
-18
-18

Feels Like (°C)

-21
-21
-21
-20
-18
-18
-16
-16
-16
-16
-18
-18
-19
-20
-20
-21
-21
-20
-21
-21
-21
-22
-22
-22

Dew Point (°C)

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

Relative Humidity (%)

72
72
72
68
65
63
63
64
67
70
71
71
76
81
81
81
80
81
80
79
79
79
79
80

Pressure (mb)

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

Ozone (du)

467
468
465
465
461
456
453
453
444
441
441
440
439
436
434
432
429
425
422
427
428
427
425
426

Tuesday 9

Waning Gibbous 65%

21:27

11:18

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: 07:18, Set: 15:54, Transit: 11:36. Moon - Rise: 21:27, Set: 11:18. Civil Dark: 16:29 - 06:43. Nautical Dark: 17:08 - 06:04. Astro Dark: 17:45 - 05:28

Total Clouds (% Sky Obscured)

37
61
58
47
51
97
90
93
87
89
93
90
83
90
100
99
98
98
99
99
99
99
99
100

Low Clouds (% Sky Obscured)

23
23
22
29
30
30
35
35
29
31
35
37
44
40
82
88
91
92
91
92
93
94
95
95

Medium Clouds (% Sky Obscured)

1
36
38
1
7
64
55
59
76
75
70
74
72
84
100
92
89
83
93
89
87
92
94
88

High Clouds (% Sky Obscured)

0
0
0
15
4
36
34
82
69
79
86
86
83
85
100
88
86
80
69
17
8
48
14
34

ISS Passover

Visibility (miles)

3
3
1
0
0
1
1
1
6
8
9
9
9
9
9
9
3
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
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

2
4
12
7
16
12
14
1
2
0
0
0
0
0
3
16
50
59
53
40
45
54
62
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0.1
0.2
0.2
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-18
-18
-17
-15
-13
-12
-11
-9
-9
-9
-11
-11
-11
-11
-11
-10
-10
-10
-10
-9
-9
-9
-8
-8

Feels Like (°C)

-22
-22
-21
-19
-18
-17
-16
-15
-14
-13
-14
-15
-15
-15
-15
-14
-13
-13
-13
-13
-13
-14
-12
-12

Dew Point (°C)

-20
-20
-19
-17
-16
-14
-13
-12
-12
-12
-13
-13
-13
-13
-13
-13
-12
-11
-11
-10
-10
-11
-9
-9

Relative Humidity (%)

79
80
81
81
81
81
80
80
80
83
86
85
85
81
80
81
85
90
92
90
90
90
92
92

Pressure (mb)

1021
1021
1020
1020
1019
1018
1017
1015
1014
1014
1013
1012
1011
1011
1010
1009
1008
1007
1006
1005
1005
1004
1003
1003

Ozone (du)

424
427
429
426
427
424
419
418
414
412
412
412
415
418
419
422
424
423
418
416
415
408
393
381

Wednesday 10

Waning Gibbous 55%

22:41

11:37

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: 07:19, Set: 15:54, Transit: 11:37. Moon - Rise: 22:41, Set: 11:37. Civil Dark: 16:29 - 06:44. Nautical Dark: 17:08 - 06:05. Astro Dark: 17:45 - 05:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
97
96
94
96
98
74
50
49

Low Clouds (% Sky Obscured)

95
95
96
96
95
95
94
91
89
86
85
84
83
76
70
60
59
57
56
67
79
62
44
43

Medium Clouds (% Sky Obscured)

86
95
100
100
100
100
100
100
100
100
100
100
95
98
97
95
92
90
85
91
91
61
50
49

High Clouds (% Sky Obscured)

80
94
94
95
96
97
100
91
83
74
80
78
89
79
71
14
14
9
4
14
26
37
23
9

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None

Precipitation Probability (%)

56
49
45
39
38
41
44
76
94
95
89
69
73
77
92
95
95
95
95
81
42
13
17
19

Precipitation Amount (mm)

0.3
0.2
0.2
0.1
0.1
0.2
0.1
0.4
0.6
0.7
0.7
0.4
0.5
0.5
0.7
0.7
0.9
1.2
1.1
0.5
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
92
90
90
90
92
94
94
94
96
94
96
94
94
94
96
96
98
96
89
78
77

Pressure (mb)

1003
1003
1002
1002
1001
1000
999
997
996
995
994
994
993
993
992
992
992
992
991
992
993
994
995
997

Ozone (du)

375
369
358
348
341
337
337
334
336
339
338
338
341
344
349
349
348
351
354
353
352
357
355
352

Thursday 11

Third Quarter 44%

23:51

11:54

06 Bad
07 Bad
08 Bad
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 Bad
00 Bad
01 OK
02 OK
03 Good
04 OK
05 OK

Sun - Rise: 07:20, Set: 15:54, Transit: 11:37. Moon - Rise: 23:51, Set: 11:54. Civil Dark: 16:30 - 06:44. Nautical Dark: 17:08 - 06:06. Astro Dark: 17:45 - 05:30

Total Clouds (% Sky Obscured)

46
41
39
38
40
68
83
88
89
87
81
80
79
79
73
67
67
63
59
42
25
7
20
39

Low Clouds (% Sky Obscured)

40
39
39
38
40
66
78
83
81
79
65
48
34
33
37
41
42
37
30
20
12
4
4
3

Medium Clouds (% Sky Obscured)

46
41
39
38
33
15
0
0
0
0
5
8
12
12
12
10
23
35
47
33
18
4
18
30

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
0
0
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
1
0
0
0
0
1
2
3
5
6
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

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 (%)

20
21
18
13
12
8
5
10
18
17
17
17
16
16
14
12
11
9
3
5
6
3
5
6

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

Chance of Frost

Temperature (°C)

-7
-8
-8
-8
-8
-7
-7
-7
-7
-7
-8
-9
-9
-10
-10
-10
-10
-11
-12
-12
-13
-13
-14
-14

Feels Like (°C)

-12
-13
-13
-13
-12
-13
-13
-13
-14
-14
-14
-15
-15
-16
-16
-15
-15
-14
-14
-13
-17
-17
-17
-17

Dew Point (°C)

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

Relative Humidity (%)

76
75
75
75
74
77
79
80
82
85
87
85
85
85
85
83
83
83
81
81
81
79
79
79

Pressure (mb)

998
1000
1001
1002
1003
1003
1004
1004
1004
1005
1006
1006
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

352
356
353
351
348
346
348
356
357
355
359
360
360
364
363
361
360
358
356
353
355
356
357
360

Friday 12

Waning Crescent 44%

00:58

12:09

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: 07:20, Set: 15:55, Transit: 11:37. Moon - Rise: 00:58, Set: 12:09. Civil Dark: 16:30 - 06:45. Nautical Dark: 17:08 - 06:07. Astro Dark: 17:45 - 05:30

Total Clouds (% Sky Obscured)

66
74
82
86
83
85
89
84
78
73
71
70
73
75
80
83
81
79
82
79
77
75
75
80

Low Clouds (% Sky Obscured)

2
11
19
27
38
49
61
66
71
73
68
61
53
53
56
59
56
59
56
46
33
23
17
10

Medium Clouds (% Sky Obscured)

43
45
47
49
47
44
41
39
36
34
39
49
60
65
65
65
65
65
65
65
70
75
75
75

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
0
4
8
10
19
29
40
55
58
60
70
64

ISS Passover

Visibility (miles)

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

4
9
8
6
10
10
7
10
9
7
13
12
12
15
12
6
8
7
3
5
6
3
4
4

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

Chance of Frost

Temperature (°C)

-14
-14
-14
-13
-11
-11
-10
-9
-9
-9
-9
-10
-10
-10
-10
-10
-10
-9
-9
-9
-10
-10
-10
-11

Feels Like (°C)

-17
-17
-18
-18
-19
-18
-18
-18
-14
-14
-14
-15
-15
-15
-15
-15
-15
-14
-13
-13
-14
-14
-13
-13

Dew Point (°C)

-17
-17
-16
-15
-14
-13
-12
-12
-12
-12
-13
-13
-13
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
-13

Relative Humidity (%)

79
79
79
79
80
80
80
80
78
78
77
78
78
80
80
80
80
81
83
83
85
85
83
83

Pressure (mb)

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

Ozone (du)

363
366
368
370
372
372
372
372
370
368
366
366
365
364
363
362
361
361
361
360
358
356
354
352

Saturday 13

Waning Crescent 34%

02:05

12:24

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: 07:21, Set: 15:55, Transit: 11:38. Moon - Rise: 02:05, Set: 12:24. Civil Dark: 16:30 - 06:46. Nautical Dark: 17:09 - 06:07. Astro Dark: 17:46 - 05:31

Total Clouds (% Sky Obscured)

80
79
78
77
78
78
74
74
80
86
88
90
93
94
94
95
95
95
96

Low Clouds (% Sky Obscured)

4
6
8
9
10
10
12
22
31
42
54
66
77
78
81
82
69
57
35

Medium Clouds (% Sky Obscured)

75
76
68
61
57
44
40
37
33
25
41
57
73
74
75
76
83
89
96

High Clouds (% Sky Obscured)

59
61
63
65
60
37
12
17
35
52
44
35
27
20
14
8
30
50
71

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
8
9

Fog (%)

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

Precipitation Probability (%)

3
3
2
0
1
1
1
1
1
0
3
3
2
7
7
3
9
10
7

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-14
-17
-17
-16
-16
-16
-15
-12
-12
-13
-13
-13
-14
-16
-16
-16
-17
-17

Dew Point (°C)

-13
-14
-14
-12
-11
-11
-10
-10
-10
-10
-10
-11
-11
-12
-12
-13
-13
-13
-14

Relative Humidity (%)

83
81
80
81
80
80
79
77
79
82
83
85
85
87
86
86
86
85
85

Pressure (mb)

1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

350
348
353
357
362
359
356
354
357
360
363
366
370
373
372
372
371
373
375

Forecast for Saint-Jean-de-l'Ile-d'Orléans, Capitale-Nationale, Canada (46.93,-70.93)

Generated: 07/12/25 06:09:55. Forecast: 07/12/25 to 13/12/25. Timezone: UTC-5.00