Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

New Moon 0%

07:32

14:49

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

Sun - Rise: 07:22, Set: 15:41, Transit: 11:31. Moon - Rise: 07:32, Set: 14:49. Civil Dark: 16:17 - 06:45. Nautical Dark: 16:57 - 06:05. Astro Dark: 17:36 - 05:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
100
100
100
100
99
94

Low Clouds (% Sky Obscured)

32
18
2
0
0
34
73
43
56
51
76
73
75
66
70
67
60
78
76
93
91
100
95
78

Medium Clouds (% Sky Obscured)

62
100
61
100
100
100
100
100
100
61
96
94
100
100
100
100
99
70
99
99
98
77
76
69

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
34
94
89
60
17
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
3
5
58
95
95
95
95
95
95
95
95
79
65
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
1
1.3
0.6
0.8
0.5
1.3
0.7
0.4
0.3
0

Wind Speed/Direction (mph)

20
21
20
20
19
20
18
19
21
21
12
13
12
15
18
22
24
28
28
24
22
26
23
23

Chance of Frost

Temperature (°C)

2
3
4
4
4
4
5
5
6
6
7
7
8
8
9
9
10
11
11
10
7
5
4
3

Feels Like (°C)

-5
-5
-4
-3
-3
-3
-2
-1
-1
-1
0
1
2
3
4
2
2
3
2
2
0
-4
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

64
64
62
66
68
74
80
82
81
83
93
96
93
91
90
84
81
77
77
78
91
90
96
89

Pressure (mb)

1008
1008
1007
1007
1006
1005
1004
1003
1002
1001
999
997
995
992
989
986
983
979
977
977
977
978
979
979

Ozone (du)

318
316
319
315
320
319
319
316
314
311
313
309
309
311
312
314
316
315
321
328
334
340
350
357

Saturday 20

Waxing Crescent 1%

08:24

15:45

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

Sun - Rise: 07:22, Set: 15:41, Transit: 11:32. Moon - Rise: 08:24, Set: 15:45. Civil Dark: 16:18 - 06:46. Nautical Dark: 16:58 - 06:06. Astro Dark: 17:36 - 05:27

Total Clouds (% Sky Obscured)

94
98
100
100
99
99
100
96
91
90
90
5
7
5
13
30
100
100
100
99
97
100
100
100

Low Clouds (% Sky Obscured)

75
91
54
89
97
96
95
88
76
74
76
3
3
1
1
2
2
12
25
58
84
77
100
100

Medium Clouds (% Sky Obscured)

35
44
100
81
78
86
100
60
55
0
0
0
7
5
11
26
100
91
98
99
96
99
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
0
0
0
0
3
3
8
100
100
100
50
50
100
100
100

ISS Passover

Visibility (miles)

9
2
9
9
8
1
1
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1

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

Precipitation Probability (%)

23
46
26
9
26
42
33
21
2
0
0
0
0
0
0
0
0
0
0
0
7
32
78
95

Precipitation Amount (mm)

0
0.1
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.9

Wind Speed/Direction (mph)

23
25
28
31
32
31
31
31
31
28
27
24
21
21
19
17
15
13
11
10
7
7
7
8

Chance of Frost

Temperature (°C)

3
2
1
-2
-5
-6
-7
-7
-7
-6
-6
-6
-6
-6
-5
-6
-6
-5
-5
-5
-5
-5
-6
-6

Feels Like (°C)

-6
-7
-10
-13
-16
-18
-18
-18
-18
-17
-17
-16
-14
-13
-13
-12
-12
-12
-11
-11
-10
-10
-10
-11

Dew Point (°C)

-1
1
-4
-7
-10
-12
-13
-13
-13
-13
-14
-14
-15
-14
-14
-14
-14
-13
-13
-12
-12
-11
-12
-10

Relative Humidity (%)

79
91
69
67
65
62
61
59
58
57
55
51
49
50
49
51
52
53
55
57
61
62
60
73

Pressure (mb)

979
980
982
985
988
990
993
996
1000
1003
1006
1008
1009
1011
1012
1013
1014
1014
1015
1015
1014
1013
1012
1011

Ozone (du)

366
374
382
389
398
413
398
405
397
389
385
379
375
382
374
372
368
367
363
358
361
363
361
360

Sunday 21

Waxing Crescent 3%

09:04

16:51

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

Sun - Rise: 07:23, Set: 15:42, Transit: 11:32. Moon - Rise: 09:04, Set: 16:51. Civil Dark: 16:18 - 06:46. Nautical Dark: 16:58 - 06:06. Astro Dark: 17:37 - 05:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
90
94
99
97
91
95
97
98
100
100
100
100
98
98
81
91
100
100
94

Low Clouds (% Sky Obscured)

98
87
82
81
83
81
81
88
83
83
82
79
47
83
84
62
92
85
88
57
85
100
100
91

Medium Clouds (% Sky Obscured)

98
100
100
100
97
66
80
96
79
63
71
80
83
99
100
100
100
94
91
43
67
74
73
71

High Clouds (% Sky Obscured)

94
71
83
60
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
6
4
1
1
0
0
0
1
5
0
0
4
3
0
0
2
0
0
0
0
0
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

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

Precipitation Probability (%)

95
73
60
50
44
46
44
48
51
47
48
70
73
61
83
87
72
50
61
67
64
56
47
33

Precipitation Amount (mm)

1
0.3
0.2
0.1
0.1
0.1
0
0
0.1
0
0
0.4
0.4
0
0.5
0.7
0.4
0
0.2
0.4
0.5
0.3
0.2
0.1

Wind Speed/Direction (mph)

9
8
11
13
14
11
10
10
11
11
11
11
11
12
17
15
14
14
10
16
13
13
15
17

Chance of Frost

Temperature (°C)

-6
-5
-5
-4
-3
-3
-2
-2
-2
-1
-1
0
0
1
0
-1
-1
-1
-1
-2
-2
-3
-3
-4

Feels Like (°C)

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

Dew Point (°C)

-8
-7
-8
-7
-6
-5
-4
-4
-3
-3
-3
-2
0
-2
-3
-3
-2
-2
-2
-2
-3
-3
-5
-7

Relative Humidity (%)

87
89
76
79
82
84
89
87
92
89
84
89
98
84
81
86
91
89
92
94
94
94
91
78

Pressure (mb)

1009
1007
1006
1005
1004
1003
1002
1002
1001
1001
1000
999
999
998
999
1000
1000
1001
1003
1005
1006
1007
1008
1009

Ozone (du)

358
356
358
363
364
366
368
368
368
367
369
372
374
381
382
382
383
384
389
387
386
390
386
377

Monday 22

Waxing Crescent 7%

09:36

18:03

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
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 Bad

Sun - Rise: 07:23, Set: 15:42, Transit: 11:33. Moon - Rise: 09:36, Set: 18:03. Civil Dark: 16:19 - 06:47. Nautical Dark: 16:59 - 06:07. Astro Dark: 17:37 - 05:28

Total Clouds (% Sky Obscured)

87
87
97
86
86
78
45
37
29
17
25
44
65
74
76
77
78
80
79
77
81
90
82
73

Low Clouds (% Sky Obscured)

75
81
95
81
67
67
39
37
29
15
25
44
57
63
65
67
67
75
79
77
75
72
70
72

Medium Clouds (% Sky Obscured)

38
56
56
60
48
23
13
8
4
0
0
0
0
0
0
1
0
0
0
13
26
38
29
15

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
0

ISS Passover

Visibility (miles)

5
5
5
7
7
8
8
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 (%)

25
22
21
11
18
8
6
4
2
1
2
5
2
4
5
3
6
12
5
4
3
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
73
70
68
67
67
64
61
64
66
68
67
65
65
64
64
65
65
65
65
66
65
66

Pressure (mb)

1010
1012
1013
1015
1016
1017
1018
1019
1020
1021
1022
1022
1022
1022
1022
1023
1024
1024
1025
1025
1025
1025
1025
1025

Ozone (du)

370
366
364
367
363
365
369
369
372
372
377
379
378
378
374
380
389
396
403
415
408
391
388
386

Tuesday 23

Waxing Crescent 13%

10:00

19:17

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

Sun - Rise: 07:24, Set: 15:43, Transit: 11:33. Moon - Rise: 10:00, Set: 19:17. Civil Dark: 16:19 - 06:47. Nautical Dark: 17:00 - 06:07. Astro Dark: 17:38 - 05:29

Total Clouds (% Sky Obscured)

65
63
61
59
56
52
51
50
48
52
49
54
59
66
79
90
97
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
45
44
39
38
35
34
30
36
34
38
43
48
38
32
26
21
20
20
43
62
83
77
73

Medium Clouds (% Sky Obscured)

0
5
10
13
17
26
43
47
44
48
40
33
25
44
60
75
85
93
100
97
95
95
97
98

High Clouds (% Sky Obscured)

0
0
0
0
1
10
2
10
15
15
15
15
15
15
25
45
50
50
55
50
50
50
50
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
9
0
0
0
0
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
None
None
None
None
None
None
None
None
None
Snow

Precipitation Probability (%)

0
2
1
0
2
1
0
2
1
2
16
28
31
30
32
30
27
22
31
32
31
26
36
42

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
67
67
67
70
75
75
72
72
73
83
87
88
88
90
90
87
87
90
90
90
92
92

Pressure (mb)

1025
1025
1025
1025
1025
1024
1024
1024
1024
1023
1023
1022
1020
1019
1019
1019
1018
1018
1017
1017
1017
1016
1016
1016

Ozone (du)

385
380
378
369
366
366
363
361
360
358
355
356
363
366
375
381
382
377
376
363
368
371
376
377

Wednesday 24

Waxing Crescent 21%

10:19

20:31

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

Sun - Rise: 07:24, Set: 15:43, Transit: 11:34. Moon - Rise: 10:19, Set: 20:31. Civil Dark: 16:20 - 06:47. Nautical Dark: 17:00 - 06:07. Astro Dark: 17:38 - 05:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
91
82
78
76
83
81
79
72
67
66
69

Low Clouds (% Sky Obscured)

68
90
81
72
70
65
62
71
80
89
91
93
95
88
81
74
62
59
57
58
54
39
37
32

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
93
83
73
57
41
43
56
64
78
65
47
30
20
10
0
7
13

High Clouds (% Sky Obscured)

30
54
50
40
45
46
51
34
18
2
3
2
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
1
3
4
6
8
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
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
Snow
None
None
None
None
None

Precipitation Probability (%)

34
31
28
24
26
28
33
37
41
43
43
42
37
36
34
31
30
30
29
24
19
9
10
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-8
-8
-8
-8
-9
-9
-9
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-9
-9
-10
-11
-11

Feels Like (°C)

-12
-12
-12
-12
-12
-12
-12
-12
-12
-13
-13
-13
-12
-12
-13
-13
-13
-13
-13
-13
-14
-13
-13
-14

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
90
88
88
92
92
87
82
77
74
71
68
67
66
64
64
64
64
65
65
66
69

Pressure (mb)

1015
1016
1016
1016
1016
1016
1017
1017
1017
1018
1019
1018
1018
1018
1019
1020
1021
1021
1022
1023
1023
1023
1023
1023

Ozone (du)

380
381
376
370
364
363
362
361
362
364
365
367
370
373
373
374
375
382
390
398
398
398
399
405

Thursday 25

Waxing Crescent 30%

10:36

21:45

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

Sun - Rise: 07:24, Set: 15:44, Transit: 11:34. Moon - Rise: 10:36, Set: 21:45. Civil Dark: 16:21 - 06:48. Nautical Dark: 17:01 - 06:08. Astro Dark: 17:39 - 05:30

Total Clouds (% Sky Obscured)

73
75
78
78
65
54
47
47
47
47
45
44
51
68
69
79
75
68
56
55
50
46
58
66

Low Clouds (% Sky Obscured)

33
39
50
60
56
49
42
42
41
41
42
40
36
37
38
40
38
35
33
39
41
43
51
57

Medium Clouds (% Sky Obscured)

25
33
36
35
23
15
9
7
4
0
0
0
0
0
0
0
0
0
0
0
0
0
12
26

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
7
14

ISS Passover

Visibility (miles)

9
9
9
9
9
8
6
4
6
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 (%)

3
6
5
4
7
7
4
11
12
3
7
3
2
7
7
3
7
4
2
4
3
1
1
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)

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

Chance of Frost

Temperature (°C)

-11
-11
-11
-12
-12
-12
-12
-12
-11
-11
-11
-10
-10
-9
-9
-9
-9
-9
-9
-9
-9
-10
-10
-10

Feels Like (°C)

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

Dew Point (°C)

-15
-15
-15
-15
-15
-15
-16
-16
-16
-16
-16
-15
-15
-14
-14
-14
-14
-14
-14
-14
-14
-15
-15
-15

Relative Humidity (%)

70
73
75
76
79
76
73
70
67
66
66
65
66
67
67
65
65
67
68
68
68
68
68
70

Pressure (mb)

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

Ozone (du)

411
417
417
417
418
418
418
418
413
408
403
395
387
379
372
365
358
355
352
349
344
338
333
330

Forecast for Rimouski, Bas-Saint-Laurent, Canada (48.44,-68.53)

Generated: 19/12/25 10:05:04. Forecast: 19/12/25 to 25/12/25. Timezone: UTC-5.00