Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 6%

05:29

14:03

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 OK
23 Bad
00 OK

Sun - Rise: 07:26, Set: 16:11, Transit: 11:49. Moon - Rise: 05:29, Set: 14:03. Civil Dark: 16:45 - 06:52. Nautical Dark: 17:22 - 06:15. Astro Dark: 17:58 - 05:39

Total Clouds (% Sky Obscured)

80
85
88
91
100
100
93
82
99
100
100
100
100
98
100
100
94
88
97
65
50
18
44
10

Low Clouds (% Sky Obscured)

0
0
5
5
40
47
4
53
93
100
100
100
94
94
89
88
80
75
97
65
50
18
44
10

Medium Clouds (% Sky Obscured)

80
85
88
91
100
100
79
50
67
100
100
100
60
56
60
79
85
14
0
0
0
0
16
0

High Clouds (% Sky Obscured)

80
85
88
91
73
82
66
27
79
33
98
100
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
1
0
0
1
9
2
3
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
3
0
1
0
0
0
3
36
61
76
59
51
49
51
22
19
7
4
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.3
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
9
11
13
16
16
17
16
16
16
15
15
14
13
12
12
15
16
16
15
11
10
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
79
79
81
81
81
83
81
84
84
91
96
100
98
93
98
93
77
77
79
81
87
89

Pressure (mb)

1010
1009
1008
1007
1006
1006
1005
1004
1004
1004
1004
1003
1003
1003
1004
1005
1007
1010
1012
1015
1017
1019
1020
1022

Ozone (du)

258
258
257
260
263
268
272
275
280
280
283
286
292
300
306
317
320
329
332
331
333
323
318
318

Thursday 18

Waning Crescent 2%

06:33

14:40

01 OK
02 OK
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
00 Bad

Sun - Rise: 07:27, Set: 16:11, Transit: 11:49. Moon - Rise: 06:33, Set: 14:40. Civil Dark: 16:45 - 06:53. Nautical Dark: 17:23 - 06:15. Astro Dark: 17:59 - 05:39

Total Clouds (% Sky Obscured)

26
32
45
97
82
92
84
100
89
94
60
99
79
99
100
100
98
86
51
76
78
88
100
97

Low Clouds (% Sky Obscured)

26
32
34
41
34
28
30
1
0
0
0
1
0
0
0
0
65
9
1
10
12
15
1
48

Medium Clouds (% Sky Obscured)

0
0
0
45
61
81
60
41
50
50
44
73
45
45
2
1
43
39
28
28
66
43
69
95

High Clouds (% Sky Obscured)

0
0
32
75
28
53
57
100
89
94
60
99
79
99
100
100
95
86
14
5
4
4
95
8

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
4
0
2
1
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
18

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
5
4
3
3
5
5
5
5
6
5
6
13
14
15
17
18
18
18
19
19
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-11
-10
-11
-11
-11
-11
-11
-9
-7
-5
-3
-2
-1
-2
-3
-5
-4
-4
-3
-4
-4
-3
-3

Dew Point (°C)

-9
-9
-9
-9
-9
-9
-9
-9
-7
-5
-4
-2
-1
-1
-3
-3
-4
-3
-2
-2
-0
-0
1
2

Relative Humidity (%)

88
88
88
87
89
87
84
84
84
82
81
83
77
67
60
59
58
61
63
65
70
71
75
78

Pressure (mb)

1022
1023
1022
1022
1022
1023
1023
1023
1022
1021
1019
1018
1016
1015
1015
1014
1014
1014
1013
1011
1010
1009
1008
1007

Ozone (du)

315
315
314
313
315
314
314
315
316
320
318
314
311
309
306
305
303
304
306
307
307
309
310
310

Friday 19

New Moon 0%

07:32

15:26

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
00 Bad

Sun - Rise: 07:27, Set: 16:12, Transit: 11:50. Moon - Rise: 07:32, Set: 15:26. Civil Dark: 16:46 - 06:53. Nautical Dark: 17:23 - 06:16. Astro Dark: 17:59 - 05:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
98
98
98
97
97
96
97
97

Low Clouds (% Sky Obscured)

10
30
56
62
21
48
51
80
87
77
95
79
83
100
94
90
83
93
92
90
90
91
93
94

Medium Clouds (% Sky Obscured)

100
96
100
100
93
100
100
100
100
100
100
97
100
100
97
96
95
83
23
13
3
15
30
46

High Clouds (% Sky Obscured)

91
63
100
100
100
100
100
100
100
100
100
100
100
100
50
50
65
65
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
4
6
3
1
2
2
6
9
9
9
0
9
9
9
3
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
Very Light Rain
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
Snow

Precipitation Probability (%)

41
55
38
56
22
22
72
95
95
95
95
95
95
95
95
62
35
36
27
19
16
20
30
40

Precipitation Amount (mm)

0
0.3
0
0
0
0
0
0.4
0.9
1.4
3.4
4.6
2.9
2.3
1
0.3
0
0
0
0
0
0
0
0.1

Wind Speed/Direction (mph)

17
16
18
17
16
16
17
16
15
13
11
8
13
13
12
13
11
12
14
15
16
18
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-1
-1
0
1
1
2
3
4
4
4
4
2
-1
-1
-1
-1
-2
-4
-5
-6
-9
-10
-13

Dew Point (°C)

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

Relative Humidity (%)

83
85
85
87
87
81
78
81
82
87
88
98
96
93
91
89
89
89
96
76
75
83
84
84

Pressure (mb)

1006
1004
1002
1001
999
997
995
993
992
990
988
987
988
989
990
990
990
991
991
992
993
993
995
996

Ozone (du)

309
308
309
310
310
311
313
314
317
317
320
322
322
324
330
337
343
348
352
358
364
369
372
389

Saturday 20

Waxing Crescent 1%

08:24

16:22

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

Sun - Rise: 07:28, Set: 16:12, Transit: 11:50. Moon - Rise: 08:24, Set: 16:22. Civil Dark: 16:46 - 06:54. Nautical Dark: 17:24 - 06:16. Astro Dark: 17:59 - 05:41

Total Clouds (% Sky Obscured)

94
91
88
78
68
54
52
53
31
15
26
34
39
41
91
93
96
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

88
85
86
77
68
54
52
53
31
4
4
5
4
5
4
0
4
63
42
68
70
63
64
71

Medium Clouds (% Sky Obscured)

50
74
42
28
14
0
0
0
0
12
23
30
28
35
32
78
93
100
100
100
100
97
93
87

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
4
10
40
72
98
98
100
100
90
80
71

ISS Passover

Visibility (miles)

0
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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

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

Precipitation Probability (%)

49
28
18
12
10
4
4
2
0
0
0
0
0
0
0
0
1
0
2
11
51
27
20
22

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

20
20
19
19
19
18
18
17
15
14
12
11
10
9
7
6
5
4
5
6
7
7
8
9

Chance of Frost

Temperature (°C)

-6
-6
-7
-7
-7
-7
-7
-7
-7
-7
-6
-6
-6
-6
-6
-6
-5
-5
-5
-4
-4
-4
-4
-4

Feels Like (°C)

-15
-15
-15
-16
-16
-15
-15
-14
-14
-13
-10
-10
-10
-10
-9
-10
-10
-9
-10
-9
-9
-9
-9
-9

Dew Point (°C)

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

Relative Humidity (%)

89
77
73
70
67
66
66
66
60
54
50
50
52
53
54
53
53
53
54
55
58
72
75
73

Pressure (mb)

998
1000
1003
1005
1007
1009
1011
1013
1015
1016
1016
1017
1017
1017
1017
1016
1016
1016
1015
1013
1012
1010
1009
1008

Ozone (du)

395
385
382
376
370
375
376
376
371
370
364
359
357
350
345
343
343
344
339
338
342
344
344
346

Sunday 21

Waxing Crescent 3%

09:07

17:26

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
00 Bad

Sun - Rise: 07:28, Set: 16:13, Transit: 11:51. Moon - Rise: 09:07, Set: 17:26. Civil Dark: 16:47 - 06:54. Nautical Dark: 17:24 - 06:17. Astro Dark: 18:00 - 05:41

Total Clouds (% Sky Obscured)

99
100
100
100
99
99
100
100
100
100
16
30
59
72
85
88
92
98
94
89
84
88
86
83

Low Clouds (% Sky Obscured)

79
88
100
94
89
84
91
96
100
100
16
30
59
72
85
87
87
86
88
89
84
88
75
63

Medium Clouds (% Sky Obscured)

93
97
100
97
95
29
22
10
0
15
16
30
19
28
42
57
73
88
73
62
55
45
31
25

High Clouds (% Sky Obscured)

77
91
85
50
23
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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
None
None
None
None
None

Precipitation Probability (%)

69
82
73
79
82
89
78
64
43
44
41
47
43
47
50
52
53
53
45
35
22
20
19
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-9
-9
-8
-8
-8
-8
-7
-6
-5
-4
-3
-4
-3
-3
-4
-4
-5
-6
-12
-13
-14
-14
-15

Dew Point (°C)

-7
-5
-3
-3
-3
-3
-3
-2
-1
-0
-1
-4
-4
-4
-6
-7
-8
-9
-10
-11
-12
-13
-14
-14

Relative Humidity (%)

68
78
91
92
87
86
89
92
92
96
88
71
69
67
64
62
62
63
65
65
66
65
67
69

Pressure (mb)

1007
1006
1005
1004
1004
1004
1004
1004
1004
1005
1005
1004
1004
1004
1004
1005
1007
1009
1011
1013
1014
1016
1017
1019

Ozone (du)

345
345
345
351
357
364
367
366
363
364
365
367
371
372
373
375
373
372
370
370
370
370
369
369

Monday 22

Waxing Crescent 7%

09:41

18:35

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

Sun - Rise: 07:29, Set: 16:13, Transit: 11:51. Moon - Rise: 09:41, Set: 18:35. Civil Dark: 16:47 - 06:55. Nautical Dark: 17:25 - 06:17. Astro Dark: 18:01 - 05:41

Total Clouds (% Sky Obscured)

81
79
76
72
69
71
60
46
34
49
62
80
88
84
84
59
34
8
8
7
7
6
5
4

Low Clouds (% Sky Obscured)

63
63
64
61
69
71
59
45
21
24
21
21
14
7
0
0
0
0
1
2
2
2
2
1

Medium Clouds (% Sky Obscured)

18
10
3
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
6
8
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 (%)

19
19
16
21
20
11
12
10
4
11
10
4
5
4
2
3
2
1
2
1
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
69
69
69
70
70
72
71
69
69
67
64
63
66
68
71
72
72
71
72
72
72
72
72

Pressure (mb)

1020
1021
1022
1024
1025
1026
1027
1029
1030
1031
1031
1031
1032
1032
1032
1033
1033
1034
1035
1034
1034
1034
1034
1034

Ozone (du)

369
372
375
379
375
372
368
371
373
376
377
378
378
378
377
377
378
379
381
380
380
379
373
366

Tuesday 23

Waxing Crescent 13%

10:08

19:46

Sun - Rise: 07:29, Set: 16:14, Transit: 11:51. Moon - Rise: 10:08, Set: 19:46. Civil Dark: 16:48 - 06:55. Nautical Dark: 17:25 - 06:18. Astro Dark: 18:01 - 05:42

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Domaine-Joyeux, Montérégie, Canada (45.22,-73.09)

Generated: 17/12/25 01:52:22. Forecast: 17/12/25 to 23/12/25. Timezone: UTC-5.00