Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 63%

12:11

01:56

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:37, Set: 16:19, Transit: 11:58. Moon - Rise: 12:11, Set: 01:56. Civil Dark: 16:53 - 07:03. Nautical Dark: 17:31 - 06:25. Astro Dark: 18:07 - 05:49

Total Clouds (% Sky Obscured)

83
87
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
2
2
3
3
4
4
33
75
80
91
100
100
100
89
100
100
100
100
99
100
100
74

Medium Clouds (% Sky Obscured)

83
87
83
89
72
100
100
100
100
100
93
93
100
100
100
100
98
93
100
100
70
95
70
100

High Clouds (% Sky Obscured)

83
87
90
100
100
100
100
100
100
100
100
100
100
100
100
100
65
70
0
61
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
1
3
1
0
0
1
1
0
0
1
0
0
0
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
Ice pellet
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Snow
Frozen rai
Frozen rai
Snow
Snow
None

Precipitation Probability (%)

0
0
0
0
0
0
1
8
41
86
87
74
95
95
85
95
95
95
95
92
95
95
59
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0.5
0.3
1
1.3
0.4
1
1.1
0.5
0.6
0.5
0.9
0.8
0.2
0

Wind Speed/Direction (mph)

5
5
4
7
7
8
9
10
11
12
13
14
14
14
12
12
12
12
11
10
8
3
8
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-12
-14
-14
-14
-14
-14
-14
-13
-13
-13
-12
-13
-13
-11
-11
-11
-11
-9
-8
-7
-5
-7
-8

Dew Point (°C)

-10
-10
-12
-11
-11
-12
-11
-11
-11
-11
-9
-8
-8
-7
-7
-7
-6
-6
-4
-4
-3
-3
-2
-3

Relative Humidity (%)

82
85
87
85
83
83
82
80
79
79
85
89
89
90
92
92
94
94
96
96
96
98
98
87

Pressure (mb)

1016
1016
1015
1014
1013
1011
1010
1008
1006
1004
1003
1001
999
997
997
995
994
992
991
990
989
988
987
986

Ozone (du)

330
328
325
324
324
328
334
331
333
332
331
328
330
329
328
330
332
339
342
343
337
336
342
354

Monday 29

Waxing Gibbous 74%

12:39

03:19

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:37, Set: 16:20, Transit: 11:59. Moon - Rise: 12:39, Set: 03:19. Civil Dark: 16:54 - 07:03. Nautical Dark: 17:32 - 06:25. Astro Dark: 18:08 - 05:49

Total Clouds (% Sky Obscured)

99
96
90
100
100
100
96
98
98
97
97
95
95
87
93
95
100
96
100
100
100
99
100
95

Low Clouds (% Sky Obscured)

79
86
81
77
79
83
78
77
80
89
79
65
62
71
83
85
87
78
78
88
77
83
87
83

Medium Clouds (% Sky Obscured)

81
49
45
100
100
100
83
58
86
89
87
89
88
80
78
83
100
81
100
100
100
96
100
84

High Clouds (% Sky Obscured)

0
0
2
85
80
69
0
0
0
0
80
0
0
0
0
0
0
2
35
43
2
0
4
59

ISS Passover

Visibility (miles)

9
9
9
2
2
1
1
0
0
0
0
1
1
2
9
7
9
9
2
3
9
9
9
8

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
Snow
None
None
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
12
23
28
24
32
42
31
29
53
54
48
44
37
29
25
24
22
26
21
22
15
13
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-2
-3
-3
-3
-4
-4
-6
-7
-8
-9
-11
-12
-12
-13
-13
-13
-12
-13
-13
-13
-12
-13

Feels Like (°C)

-8
-8
-8
-9
-10
-9
-9
-9
-11
-12
-13
-15
-18
-19
-20
-20
-20
-19
-19
-20
-21
-20
-20
-20

Dew Point (°C)

-4
-4
-5
-5
-6
-5
-5
-5
-7
-8
-9
-10
-14
-15
-16
-16
-17
-16
-15
-16
-17
-16
-16
-16

Relative Humidity (%)

78
78
81
84
82
86
89
94
92
92
94
90
80
79
75
76
73
73
78
76
74
73
73
73

Pressure (mb)

986
986
986
986
985
985
984
983
984
984
985
985
986
987
988
988
989
990
991
991
992
992
992
993

Ozone (du)

371
395
395
396
400
403
410
413
413
399
389
387
383
384
387
388
391
389
401
411
422
437
435
437

Tuesday 30

Waxing Gibbous 84%

13:17

04:43

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:37, Set: 16:21, Transit: 11:59. Moon - Rise: 13:17, Set: 04:43. Civil Dark: 16:55 - 07:03. Nautical Dark: 17:33 - 06:25. Astro Dark: 18:09 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
97
98
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
75
80
75
66
55
72
69
59
46
36
28
23
15
11
12
12
8
5
5
5
5
14
23

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
87
97
95
98
100
100
99
98
97
98
99
100
100
100

High Clouds (% Sky Obscured)

85
81
99
86
100
100
67
11
50
99
100
93
82
29
52
100
100
100
100
87
58
49
36
20

ISS Passover

Visibility (miles)

2
1
7
7
9
9
1
2
9
9
9
9
9
9
9
9
9
9
9
9
6
2
6
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
28
28
25
23
24
26
17
14
15
11
8
2
2
1
0
1
2
4
6
9
21
11
29

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)

16
16
15
15
15
16
16
16
16
15
15
14
14
13
12
12
11
11
11
11
11
11
10
10

Chance of Frost

Temperature (°C)

-13
-14
-14
-15
-15
-15
-15
-15
-15
-15
-15
-16
-16
-16
-16
-16
-16
-15
-14
-14
-13
-12
-11
-11

Feels Like (°C)

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

Dew Point (°C)

-17
-17
-18
-19
-19
-19
-18
-18
-19
-19
-19
-19
-19
-20
-19
-19
-19
-18
-17
-16
-16
-15
-15
-15

Relative Humidity (%)

74
77
73
73
73
71
76
76
73
72
72
72
72
72
74
76
77
79
81
81
78
78
76
75

Pressure (mb)

993
994
994
995
995
996
996
996
996
996
996
997
997
997
997
997
997
998
998
998
998
997
997
997

Ozone (du)

447
446
440
439
443
441
436
431
433
443
446
427
415
400
389
389
387
378
389
388
396
403
419
425

Wednesday 31

Waxing Gibbous 92%

14:08

06:06

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:37, Set: 16:22, Transit: 12:00. Moon - Rise: 14:08, Set: 06:06. Civil Dark: 16:56 - 07:03. Nautical Dark: 17:33 - 06:25. Astro Dark: 18:10 - 05:49

Total Clouds (% Sky Obscured)

100
97
89
71
81
78
65
73
69
87
89
86
80
83
90
91
94
96
98
98
98
98
99
99

Low Clouds (% Sky Obscured)

39
47
41
23
51
58
30
49
30
28
57
71
57
51
73
55
74
74
76
76
77
78
75
73

Medium Clouds (% Sky Obscured)

87
51
47
43
41
35
34
54
50
76
89
84
63
71
83
85
89
92
95
93
92
91
90
73

High Clouds (% Sky Obscured)

1
6
12
18
12
6
0
0
0
0
0
1
0
1
1
1
1
1
22
2
17
35
40
2

ISS Passover

Visibility (miles)

0
0
5
9
9
9
9
9
9
9
9
9
9
7
3
4
3
6
7
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 (%)

32
25
13
12
9
10
4
5
5
3
5
7
5
7
8
4
5
7
3
9
7
5
5
5

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
7
6
5
5
6
6
5
5
5
5
6
7
6
7
6
7
8
9
10
10
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-17
-17
-18
-18
-19
-20
-20
-21
-21
-22
-23
-23
-23
-23
-24
-24
-24
-23
-23
-22
-22
-20
-21

Dew Point (°C)

-13
-13
-14
-16
-17
-17
-19
-19
-20
-21
-21
-21
-21
-21
-21
-21
-21
-21
-20
-20
-20
-20
-19
-19

Relative Humidity (%)

88
86
85
83
81
81
78
76
75
77
78
79
79
80
81
81
81
81
81
77
71
69
70
71

Pressure (mb)

997
998
998
999
999
1000
1000
1001
1002
1002
1002
1003
1004
1004
1004
1005
1006
1006
1007
1007
1007
1006
1006
1006

Ozone (du)

428
434
427
423
427
429
435
438
440
441
437
429
413
394
390
381
377
372
366
362
361
359
360
364

Thursday 1

Waxing Gibbous 98%

No Rise

07:18

15 Bad
16 Bad
17 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 07:37, Set: 16:23, Transit: 12:00. Moon - Rise: No Rise, Set: 07:18. Civil Dark: 16:57 - 07:03. Nautical Dark: 17:34 - 06:25. Astro Dark: 18:10 - 05:49

Total Clouds (% Sky Obscured)

63
49
24
15
60
86
90
88
94
96
99
97
93
93
94
96
95
95
96
94
93
93
91
89

Low Clouds (% Sky Obscured)

58
40
20
1
13
30
45
45
45
50
65
39
14
10
7
3
26
49
72
77
83
88
83
77

Medium Clouds (% Sky Obscured)

63
41
21
9
6
5
2
6
13
20
38
25
16
33
49
65
77
88
92
87
82
77
74
68

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
10
14
0
1
1
4
6
11
29
31
33
25
15
2
4
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
0
0
0
0
0
1
1
1
1
1
2
3
3
5
7
9
7

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
3
3
0
2
2
9
13
20
18
25
25
24
19
14
4
7
6
1
7
8
6
9
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)

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

Chance of Frost

Temperature (°C)

-14
-15
-17
-19
-20
-20
-20
-18
-17
-17
-18
-17
-18
-18
-18
-19
-19
-18
-16
-14
-13
-12
-11
-12

Feels Like (°C)

-20
-19
-21
-21
-22
-24
-24
-21
-21
-21
-22
-20
-20
-20
-20
-20
-20
-22
-22
-20
-21
-20
-20
-15

Dew Point (°C)

-18
-19
-20
-21
-22
-23
-23
-20
-19
-19
-19
-19
-19
-19
-20
-21
-21
-20
-18
-16
-16
-15
-14
-14

Relative Humidity (%)

73
75
78
79
79
78
77
83
86
86
87
87
87
87
86
84
83
84
83
84
81
79
78
81

Pressure (mb)

1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1006
1005
1005

Ozone (du)

375
375
376
373
371
371
364
368
372
377
366
371
375
380
376
372
368
371
375
379
380
380
380
384

Friday 2

Waxing Gibbous 100%

15:15

08:14

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:37, Set: 16:24, Transit: 12:01. Moon - Rise: 15:15, Set: 08:14. Civil Dark: 16:58 - 07:03. Nautical Dark: 17:35 - 06:25. Astro Dark: 18:11 - 05:49

Total Clouds (% Sky Obscured)

87
92
95
99
99
100
100
98
97
99
100
99
97
94
91
86
89
94
99
85
79
90
89
92

Low Clouds (% Sky Obscured)

71
77
83
88
80
72
68
70
73
75
83
88
90
87
85
84
88
92
96
78
60
38
31
27

Medium Clouds (% Sky Obscured)

58
58
53
51
62
75
90
92
93
95
85
75
65
68
64
50
51
55
80
83
79
90
89
92

High Clouds (% Sky Obscured)

8
26
42
59
55
29
22
3
0
0
0
0
0
0
0
0
1
6
8
8
6
2
2
1

ISS Passover

Visibility (miles)

6
4
3
2
2
2
3
3
2
1
0
0
0
0
0
0
0
0
0
1
3
6
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 (%)

10
13
15
15
18
18
17
19
20
21
22
21
19
20
19
18
22
24
26
26
24
20
17
14

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
5
5
5
5
4
4
4
3
4
4
3
3
2
3
3
4
5
7
8
9
10
12
11

Chance of Frost

Temperature (°C)

-12
-12
-13
-14
-15
-14
-14
-13
-14
-14
-14
-14
-15
-15
-15
-14
-13
-12
-12
-11
-11
-11
-11
-12

Feels Like (°C)

-14
-14
-15
-14
-14
-18
-19
-19
-19
-19
-18
-17
-17
-18
-18
-19
-19
-17
-17
-17
-17
-17
-16
-17

Dew Point (°C)

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

Relative Humidity (%)

85
88
86
86
88
88
88
90
90
88
88
88
88
88
88
90
90
88
86
86
81
78
75
73

Pressure (mb)

1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010

Ozone (du)

387
390
393
395
398
403
408
413
417
420
424
421
418
414
414
414
414
414
413
413
418
422
427
423

Saturday 3

Full Moon 99%

16:33

08:56

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK

Sun - Rise: 07:37, Set: 16:25, Transit: 12:01. Moon - Rise: 16:33, Set: 08:56. Civil Dark: 16:59 - 07:03. Nautical Dark: 17:36 - 06:25. Astro Dark: 18:12 - 05:49

Total Clouds (% Sky Obscured)

92
76
65
53
37
22
8
7
7
6
6
5
4
5
5
3

Low Clouds (% Sky Obscured)

64
61
50
42
28
16
6
5
4
3
2
2
2
2
1
1

Medium Clouds (% Sky Obscured)

92
76
54
30
19
9
0
1
3
4
3
2
1
1
2
2

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
10
8
1
3
4
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

Wind Speed/Direction (mph)

11
11
9
8
7
6
6
5
5
5
5
5
4
4
4
4

Chance of Frost

Temperature (°C)

-13
-14
-15
-17
-18
-19
-19
-19
-20
-21
-22
-23
-23
-24
-24
-25

Feels Like (°C)

-17
-19
-19
-19
-19
-23
-22
-22
-22
-22
-23
-26
-26
-26
-26
-26

Dew Point (°C)

-16
-18
-19
-20
-22
-22
-22
-23
-24
-25
-25
-26
-27
-27
-28
-28

Relative Humidity (%)

75
74
74
73
72
73
72
72
70
70
71
71
72
71
71
72

Pressure (mb)

1011
1012
1013
1015
1016
1017
1018
1018
1019
1019
1020
1021
1021
1022
1022
1023

Ozone (du)

419
415
414
412
411
411
411
411
407
403
399
396
392
388
386
383

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

Generated: 28/12/25 15:11:46. Forecast: 28/12/25 to 03/01/26. Timezone: UTC-5.00