Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Waxing Crescent 21%

10:45

20:44

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: 07:30, Set: 15:58, Transit: 11:45. Moon - Rise: 10:45, Set: 20:44. Civil Dark: 16:34 - 06:55. Nautical Dark: 17:13 - 06:16. Astro Dark: 17:51 - 05:38

Total Clouds (% Sky Obscured)

83
86
89
92
100
100
100
100
100
100
100
100
100
100
93
94
90
83
89
85
94
86
78
78

Low Clouds (% Sky Obscured)

83
85
89
87
85
84
84
87
89
90
89
93
91
95
92
89
85
80
79
80
88
86
78
78

Medium Clouds (% Sky Obscured)

33
38
40
46
90
100
100
100
100
100
100
100
100
100
86
25
11
0
8
0
35
7
0
0

High Clouds (% Sky Obscured)

0
2
5
51
82
100
100
100
100
100
100
100
100
65
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

1
1
0
0
0
2
9
18
32
46
54
56
52
45
34
22
11
9
5
14
4
4
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
25
22
12
20
18
23
50
62
68
69
75
70
59
43
33
20
21
20
13
14
11
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.2
0.3
0.3
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
5
2
2
2
1
2
3
3
3
4
4
4
3
3
4
7
8
10
11
12
12
13

Chance of Frost

Temperature (°C)

-7
-8
-10
-11
-12
-13
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
-13
-13
-13
-12
-13
-13
-14
-15

Feels Like (°C)

-11
-12
-13
-15
-16
-16
-16
-15
-16
-16
-16
-16
-16
-16
-16
-16
-17
-18
-18
-18
-18
-19
-20
-22

Dew Point (°C)

-8
-9
-11
-12
-13
-14
-14
-13
-13
-13
-13
-13
-13
-13
-13
-13
-14
-14
-15
-15
-15
-16
-17
-18

Relative Humidity (%)

90
94
92
92
90
88
90
92
92
92
90
90
90
90
90
90
90
86
84
81
81
78
78
77

Pressure (mb)

1022
1023
1023
1024
1024
1024
1023
1022
1021
1020
1019
1018
1016
1015
1014
1013
1013
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

388
384
385
389
390
392
388
385
378
380
378
381
383
383
391
399
404
406
415
414
408
401
403
399

Thursday 25

Waxing Crescent 30%

11:01

21:58

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 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK

Sun - Rise: 07:30, Set: 15:59, Transit: 11:45. Moon - Rise: 11:01, Set: 21:58. Civil Dark: 16:35 - 06:55. Nautical Dark: 17:14 - 06:16. Astro Dark: 17:51 - 05:39

Total Clouds (% Sky Obscured)

73
72
71
73
79
85
83
84
78
73
6
6
6
6
11
10
5
5
9
26
5
6
18
40

Low Clouds (% Sky Obscured)

73
72
71
71
72
67
63
54
51
67
6
6
6
4
8
6
4
4
4
3
0
0
0
0

Medium 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
19

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
26
5
4
18
21

ISS Passover

Visibility (miles)

6
5
5
5
5
5
6
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
3
12
3
16
7
2
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 (%)

14
12
11
10
7
10
8
5
2
2
1
1
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)

14
15
15
17
17
17
16
16
15
14
12
11
10
9
8
7
7
7
7
7
7
5
3
3

Chance of Frost

Temperature (°C)

-16
-18
-19
-19
-20
-21
-21
-22
-22
-23
-23
-23
-24
-24
-24
-24
-24
-24
-22
-20
-18
-16
-15
-15

Feels Like (°C)

-23
-24
-26
-27
-28
-28
-29
-29
-29
-29
-29
-28
-28
-28
-27
-27
-28
-27
-26
-23
-21
-19
-18
-17

Dew Point (°C)

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

Relative Humidity (%)

74
72
71
70
69
65
65
65
65
67
65
65
66
67
68
68
69
71
71
68
64
61
59
61

Pressure (mb)

1015
1016
1017
1018
1020
1020
1021
1022
1022
1022
1023
1024
1025
1025
1026
1027
1028
1028
1028
1027
1026
1025
1024
1025

Ozone (du)

389
387
384
388
399
401
401
398
403
394
385
383
374
368
360
351
350
348
345
341
340
337
332
333

Friday 26

Waxing Crescent 41%

11:17

23:12

15 OK
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 OK
07 OK
08 OK
09 Bad
10 Bad
11 OK
12 Good
13 Good
14 Good

Sun - Rise: 07:31, Set: 16:00, Transit: 11:46. Moon - Rise: 11:17, Set: 23:12. Civil Dark: 16:35 - 06:55. Nautical Dark: 17:15 - 06:16. Astro Dark: 17:52 - 05:39

Total Clouds (% Sky Obscured)

21
59
43
40
63
95
100
100
99
100
100
100
100
54
34
18
28
11
53
50
30
3
2
3

Low Clouds (% Sky Obscured)

0
3
3
2
3
3
3
4
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
32
43
86
76
100
87
100
100
94
86
54
34
18
28
11
0
0
0
0
0
0

High Clouds (% Sky Obscured)

13
32
25
40
63
95
100
100
99
98
100
100
100
42
21
8
20
5
40
27
21
3
2
3

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
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)

3
3
4
4
4
4
4
4
3
3
4
3
3
4
4
4
4
4
3
2
1
1
2
2

Chance of Frost

Temperature (°C)

-15
-18
-20
-22
-22
-24
-24
-24
-22
-21
-22
-21
-22
-23
-24
-24
-24
-23
-19
-16
-14
-11
-10
-10

Feels Like (°C)

-18
-21
-24
-26
-25
-28
-28
-28
-26
-26
-27
-25
-26
-27
-27
-27
-27
-26
-21
-19
-16
-13
-11
-11

Dew Point (°C)

-19
-21
-23
-25
-26
-28
-28
-28
-26
-26
-26
-26
-26
-27
-28
-29
-29
-28
-25
-23
-20
-17
-16
-15

Relative Humidity (%)

71
74
73
69
68
66
66
66
67
65
66
64
65
64
62
61
59
59
58
56
57
61
62
65

Pressure (mb)

1025
1026
1026
1027
1026
1027
1027
1028
1027
1027
1027
1027
1027
1027
1028
1028
1029
1029
1029
1028
1027
1026
1025
1025

Ozone (du)

337
334
332
329
327
327
331
333
330
329
327
329
332
333
334
336
339
339
346
352
357
361
360
361

Saturday 27

First Quarter 52%

11:34

00:28

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

Sun - Rise: 07:31, Set: 16:01, Transit: 11:46. Moon - Rise: 11:34, Set: 00:28. Civil Dark: 16:36 - 06:55. Nautical Dark: 17:15 - 06:16. Astro Dark: 17:53 - 05:39

Total Clouds (% Sky Obscured)

5
7
17
8
6
6
52
7
6
3
5
4
4
4
0
0
5
11
14
14
16
17
60
72

Low Clouds (% Sky Obscured)

2
2
2
3
2
0
0
0
0
0
0
2
2
3
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
1
1
2
1
1
0
3
4
3
5
4
3
0
0
0
4
7
11
9
9
9
13
17

High Clouds (% Sky Obscured)

3
3
16
3
3
3
30
3
1
0
0
0
0
0
0
0
1
2
2
2
2
2
54
58

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
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

-10
-14
-16
-17
-18
-18
-18
-18
-17
-17
-17
-16
-16
-16
-15
-14
-15
-14
-11
-8
-6
-4
-3
-3

Feels Like (°C)

-11
-15
-19
-20
-21
-21
-21
-22
-21
-20
-20
-19
-19
-19
-18
-17
-17
-17
-14
-10
-8
-6
-4
-6

Dew Point (°C)

-12
-16
-19
-19
-21
-22
-23
-23
-23
-22
-22
-21
-21
-21
-20
-20
-20
-19
-16
-13
-11
-10
-8
-7

Relative Humidity (%)

83
83
81
80
77
70
64
62
61
63
63
61
64
63
61
62
62
64
69
68
65
65
68
76

Pressure (mb)

1025
1026
1027
1027
1028
1028
1028
1027
1027
1027
1026
1026
1026
1025
1025
1025
1024
1024
1023
1022
1020
1019
1017
1017

Ozone (du)

361
361
361
362
364
363
361
362
365
365
367
367
368
366
366
370
373
369
367
363
358
357
361
363

Sunday 28

Waxing Gibbous 63%

11:55

01:47

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: 07:31, Set: 16:01, Transit: 11:47. Moon - Rise: 11:55, Set: 01:47. Civil Dark: 16:37 - 06:55. Nautical Dark: 17:16 - 06:16. Astro Dark: 17:53 - 05:39

Total Clouds (% Sky Obscured)

59
95
94
59
60
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
3
3
3
2
1
0
7
15
19
5
5
5
35
66
95
96
98
100
99
99
99
99
100

Medium Clouds (% Sky Obscured)

21
24
32
40
44
46
70
76
97
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

24
86
88
52
57
100
100
100
100
100
33
67
100
100
100
100
100
100
100
80
56
32
55
77

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
6
4
3
2
1
1
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

2
1
0
0
0
0
0
3
5
4
32
32
31
45
57
67
88
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.3
0.6
0.8
1.1
1.2
1.3
1.5
1.2
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-9
-14
-15
-14
-14
-15
-15
-13
-13
-11
-12
-11
-11
-11
-11
-11
-10
-10
-10
-11
-11
-11
-10

Dew Point (°C)

-6
-9
-12
-14
-15
-16
-15
-14
-12
-11
-10
-10
-10
-9
-10
-10
-10
-10
-9
-8
-8
-7
-7
-6

Relative Humidity (%)

89
88
85
78
76
73
75
76
80
83
83
82
82
80
79
76
74
80
87
94
94
94
94
96

Pressure (mb)

1017
1017
1016
1016
1016
1015
1014
1013
1011
1009
1007
1001
999
998
996
995
993
992
991
990
988
987
985
985

Ozone (du)

363
361
355
354
352
355
354
352
354
349
346
345
345
345
346
347
348
353
359
364
364
364
364
364

Monday 29

Waxing Gibbous 74%

12:21

03:11

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: 07:31, Set: 16:02, Transit: 11:47. Moon - Rise: 12:21, Set: 03:11. Civil Dark: 16:38 - 06:56. Nautical Dark: 17:17 - 06:17. Astro Dark: 17:54 - 05:39

Total Clouds (% Sky Obscured)

100
100
100
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)

100
98
96
93
93
93
93
88
85
81
82
82
79
77
75
78
80
81
86
88
90
91
92
92

Medium Clouds (% Sky Obscured)

100
98
97
94
82
69
54
70
83
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
85
20
15
10
10
10
0
15
30
35
25
20
20
20
20
25
29
20
8
16
24

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
0
0
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

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

Precipitation Probability (%)

95
95
90
85
80
72
61
59
57
54
55
57
61
61
58
57
55
51
44
43
40
35
35
32

Precipitation Amount (mm)

0.6
0.6
0.5
0.5
0.5
0.4
0.3
0.3
0.2
0.2
0.2
0.2
0.3
0.3
0.2
0.2
0.2
0.1
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
10
11
12
12
13
13
13
13
13
13
13
13
13
13
13
13
14
15
15
15
14
14

Chance of Frost

Temperature (°C)

-5
-5
-5
-6
-7
-7
-8
-9
-11
-11
-12
-13
-13
-14
-13
-13
-13
-12
-11
-10
-10
-11
-12
-13

Feels Like (°C)

-10
-10
-10
-10
-11
-11
-12
-13
-14
-14
-14
-19
-18
-18
-18
-18
-18
-17
-16
-15
-15
-14
-14
-18

Dew Point (°C)

-6
-6
-6
-6
-7
-8
-9
-10
-12
-13
-14
-14
-15
-15
-15
-14
-14
-13
-12
-11
-12
-13
-14
-15

Relative Humidity (%)

96
96
96
96
96
94
94
92
92
90
90
90
90
90
90
92
92
90
88
87
86
85
85
83

Pressure (mb)

984
984
984
984
983
983
983
982
982
982
982
982
982
982
983
983
984
985
986
987
989
990
991
993

Ozone (du)

365
366
373
381
388
384
381
377
377
376
376
376
375
375
374
373
371
376
380
384
390
396
402
409

Tuesday 30

Waxing Gibbous 84%

12:57

04:38

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

Sun - Rise: 07:31, Set: 16:03, Transit: 11:48. Moon - Rise: 12:57, Set: 04:38. Civil Dark: 16:39 - 06:56. Nautical Dark: 17:18 - 06:17. Astro Dark: 17:55 - 05:40

Total Clouds (% Sky Obscured)

100
100
99
99
98
98
98
99
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

92
94
94
94
92
92
90
84
70
51
51
50
45
56
68
78

Medium Clouds (% Sky Obscured)

100
92
90
90
75
56
36
58
79
100
90
81
71
81
91
100

High Clouds (% Sky Obscured)

25
26
43
63
74
84
90
78
75
86
57
28
0
0
0
0

ISS Passover

Visibility (miles)

1
2
2
2
3
2
2
2
2
1
1
1
1
1
1
1

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 (%)

29
29
27
18
20
19
15
17
16
12
14
14
12
12
11
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
13
12
11
10
8
7
6
5
4
4
3
2
2
1

Chance of Frost

Temperature (°C)

-14
-15
-15
-16
-16
-16
-17
-17
-18
-18
-18
-20
-21
-23
-23
-22

Feels Like (°C)

-19
-20
-20
-20
-21
-23
-23
-23
-22
-22
-23
-24
-24
-24
-25
-25

Dew Point (°C)

-16
-17
-18
-18
-19
-19
-20
-20
-20
-20
-21
-22
-24
-25
-25
-25

Relative Humidity (%)

83
81
81
80
79
79
79
79
79
79
79
80
78
78
78
78

Pressure (mb)

995
996
998
1000
1001
1002
1004
1005
1006
1007
1007
1008
1009
1010
1010
1010

Ozone (du)

415
421
421
420
419
417
415
413
413
412
411
405
399
393
387
380

Forecast for Sainte-Brigitte-de-Laval, Capitale-Nationale, Canada (47.33,-71.14)

Generated: 24/12/25 14:35:01. Forecast: 24/12/25 to 30/12/25. Timezone: UTC-5.00