Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 12

Waning Crescent 44%

01:06

12:18

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 Good
22 Good
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:22, Set: 16:10, Transit: 11:46. Moon - Rise: 01:06, Set: 12:18. Civil Dark: 16:43 - 06:49. Nautical Dark: 17:21 - 06:11. Astro Dark: 17:57 - 05:36

Total Clouds (% Sky Obscured)

100
100
98
94
95
95
95
96
97
95
95
90
62
51
46
4
3
13
27
55
61
54
92
100

Low Clouds (% Sky Obscured)

82
81
79
80
80
79
82
69
74
74
83
82
62
51
46
1
1
9
16
48
56
40
33
60

Medium Clouds (% Sky Obscured)

71
72
62
51
52
53
81
82
68
51
50
49
44
0
0
0
0
0
0
0
0
11
83
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
2
4
32
16

ISS Passover

Visibility (miles)

3
2
3
3
1
1
1
1
3
7
9
9
9
9
9
9
9
7
4
3
2
2
3
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 (%)

0
0
0
8
18
9
9
6
7
8
7
6
7
5
4
3
3
4
3
1
1
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)

11
12
12
14
14
14
14
13
13
12
11
11
10
10
9
8
7
6
5
5
4
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
83
85
86
87
87
88
87
87
85
85
85
87
87
88
88
90
88
88
88
88
88
90

Pressure (mb)

1006
1006
1007
1008
1009
1009
1009
1009
1010
1011
1012
1012
1013
1014
1015
1015
1015
1016
1016
1017
1017
1017
1017
1016

Ozone (du)

365
368
362
362
363
359
354
354
354
356
362
356
356
353
349
351
352
351
344
342
349
351
353
358

Saturday 13

Waning Crescent 34%

02:11

12:34

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: 07:23, Set: 16:10, Transit: 11:47. Moon - Rise: 02:11, Set: 12:34. Civil Dark: 16:44 - 06:49. Nautical Dark: 17:21 - 06:12. Astro Dark: 17:57 - 05:37

Total Clouds (% Sky Obscured)

100
100
99
100
99
100
100
99
96
75
74
92
82
61
80
92
82
89
99
100
100
100
100
96

Low Clouds (% Sky Obscured)

77
80
74
72
40
38
90
86
85
75
71
54
69
61
60
77
32
18
39
75
75
67
40
46

Medium Clouds (% Sky Obscured)

100
100
97
55
99
100
100
96
44
50
34
34
0
12
42
52
69
76
96
100
100
100
100
89

High Clouds (% Sky Obscured)

46
11
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)

6
7
9
9
9
9
9
1
9
9
9
0
0
9
9
9
9
5
9
2
1
2
9
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
Snow
None
None
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
4
1
2
4
32
48
33
27
53
78
38
7
3
7
5
2
4
3
15
4
3
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0
0.2
0.7
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-13
-12
-10
-9
-7
-6
-5
-4
-5
-5
-6
-5
-5
-8
-8
-9
-9
-9
-10
-11
-11
-11
-11
-11

Relative Humidity (%)

88
90
90
88
87
86
84
87
82
82
82
91
86
75
79
82
87
88
88
90
88
88
90
90

Pressure (mb)

1016
1016
1015
1015
1015
1014
1012
1011
1011
1011
1010
1011
1011
1012
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015

Ozone (du)

365
364
361
355
361
364
365
369
366
367
362
361
360
360
353
355
362
365
366
366
366
365
367
371

Sunday 14

Waning Crescent 25%

03:16

12:51

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 Good
16 OK
17 OK
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: 07:24, Set: 16:10, Transit: 11:47. Moon - Rise: 03:16, Set: 12:51. Civil Dark: 16:44 - 06:50. Nautical Dark: 17:21 - 06:13. Astro Dark: 17:57 - 05:38

Total Clouds (% Sky Obscured)

95
97
97
90
89
78
52
31
19
10
16
35
80
84
81
95
92
96
95
96
96
96
81
74

Low Clouds (% Sky Obscured)

93
93
92
82
37
15
32
25
19
10
16
15
71
75
71
86
86
92
91
90
89
88
79
72

Medium Clouds (% Sky Obscured)

21
18
30
29
32
32
0
0
0
0
0
0
0
0
0
9
0
0
0
11
23
34
21
11

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)

3
2
2
2
2
3
8
9
9
9
9
8
1
2
1
1
5
2
7
7
7
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
6
5
6
5
4
3
1
0
0
0
1
16
6
18
18
19
21
20
20
23
22
18
15

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-16
-17
-15
-14
-14
-14
-14
-13
-13
-14
-16
-19
-19
-19
-19
-19
-20
-19
-20
-20
-20
-20
-20

Dew Point (°C)

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

Relative Humidity (%)

88
86
88
92
88
87
83
83
83
85
86
86
86
88
86
88
86
86
86
84
84
86
84
84

Pressure (mb)

1016
1016
1017
1017
1018
1017
1017
1016
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1022

Ozone (du)

377
386
392
399
403
399
393
384
376
375
367
358
348
342
343
344
344
342
346
365
373
356
350
355

Monday 15

Waning Crescent 17%

04:22

13:11

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: 07:25, Set: 16:10, Transit: 11:48. Moon - Rise: 04:22, Set: 13:11. Civil Dark: 16:44 - 06:51. Nautical Dark: 17:22 - 06:14. Astro Dark: 17:57 - 05:38

Total Clouds (% Sky Obscured)

52
72
79
79
74
69
61
76
89
99
99
100
100
100
100
100
100
100
100
99
98
97
98
98

Low Clouds (% Sky Obscured)

52
67
74
79
74
69
61
66
67
77
77
86
85
93
98
99
99
99
97
95
94
93
93
93

Medium Clouds (% Sky Obscured)

0
0
0
2
5
8
12
27
55
74
72
73
87
87
92
100
100
99
91
53
53
45
36
22

High Clouds (% Sky Obscured)

1
0
0
1
4
2
2
34
61
87
90
90
92
93
94
95
95
90
95
64
33
0
0
0

ISS Passover

Visibility (miles)

6
3
2
3
3
4
4
4
6
6
6
9
8
9
1
0
0
0
0
0
0
0
0
2

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None

Precipitation Probability (%)

9
11
8
4
6
6
1
0
0
1
3
1
5
18
44
59
58
58
54
58
59
50
42
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-16
-16
-16
-14
-13
-13
-12
-11
-11
-11
-11
-11
-11
-11
-10
-10
-8
-8
-7
-7
-7
-7
-7
-7

Feels Like (°C)

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

Dew Point (°C)

-18
-18
-17
-16
-15
-14
-13
-13
-13
-12
-13
-12
-12
-12
-12
-11
-9
-9
-8
-8
-7
-7
-8
-9

Relative Humidity (%)

84
86
88
86
86
86
86
85
85
88
88
92
90
90
90
90
92
94
92
92
94
94
94
90

Pressure (mb)

1022
1022
1023
1023
1023
1022
1021
1020
1020
1020
1019
1019
1018
1018
1017
1016
1015
1015
1014
1014
1014
1014
1015
1015

Ozone (du)

346
323
316
314
315
315
317
313
311
309
311
310
321
333
331
344
347
350
358
364
368
370
376
386

Tuesday 16

Waning Crescent 11%

05:29

13:34

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 Good
16 OK
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: 07:25, Set: 16:11, Transit: 11:48. Moon - Rise: 05:29, Set: 13:34. Civil Dark: 16:44 - 06:52. Nautical Dark: 17:22 - 06:14. Astro Dark: 17:58 - 05:39

Total Clouds (% Sky Obscured)

92
85
72
58
52
63
71
71
14
10
11
68
96
97
99
100
100
98
96
86
76
72
81
91

Low Clouds (% Sky Obscured)

91
76
55
34
38
44
51
48
14
10
11
48
9
10
10
11
9
7
5
8
12
15
12
8

Medium Clouds (% Sky Obscured)

8
5
3
0
0
0
0
0
0
0
11
37
55
61
61
62
64
74
95
83
70
56
45
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
0
0
1
11
38
96
94
94
94
100
98
96
82
66
54
71
85

ISS Passover

Visibility (miles)

2
2
2
2
6
9
9
9
9
9
9
6
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 (%)

27
19
15
5
5
5
2
3
2
1
1
0
0
0
0
0
1
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-11
-13
-11
-9
-9
-9
-8
-8
-8
-11
-13
-12
-12
-11
-10
-10
-9
-9
-9
-9
-9
-9
-9

Relative Humidity (%)

88
90
90
92
90
85
85
87
89
92
92
90
90
86
87
87
83
83
82
80
80
79
79
79

Pressure (mb)

1016
1017
1018
1019
1021
1021
1020
1020
1021
1021
1021
1021
1021
1021
1020
1020
1019
1018
1017
1017
1015
1014
1013
1013

Ozone (du)

391
398
399
391
379
361
332
313
298
290
285
280
277
268
266
264
263
263
263
263
266
269
272
272

Wednesday 17

Waning Crescent 6%

No Rise

14:03

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: 07:26, Set: 16:11, Transit: 11:49. Moon - Rise: No Rise, 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)

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

Low Clouds (% Sky Obscured)

4
1
0
0
0
0
0
27
55
82
86
89
91
89
88
87
84
85
85
80
75
69
78
86

Medium Clouds (% Sky Obscured)

39
53
61
70
71
73
74
63
51
40
45
50
50
36
28
22
29
46
68
81
90
100
98
97

High Clouds (% Sky Obscured)

100
100
100
100
94
87
81
54
30
16
37
30
15
15
20
20
17
18
24
62
76
86
84
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
7
7
7
5
2
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
Snow
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
14
21
29
26
20
9
24
32
39
36
32
23
16
14
7
32
48
59
56
57

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-12
-11
-11
-11
-10
-10
-9
-6
-6
-6
-6
-6
-6
-4
-4
-4
-4
-3
-4
-4
-3
-3
-3

Dew Point (°C)

-8
-8
-6
-5
-4
-2
-2
-1
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1

Relative Humidity (%)

79
79
79
81
81
84
84
86
91
93
98
98
96
96
96
96
96
96
96
98
98
100
100
100

Pressure (mb)

1012
1011
1010
1010
1009
1008
1007
1006
1006
1007
1007
1008
1009
1010
1010
1011
1012
1013
1013
1014
1015
1015
1016
1016

Ozone (du)

272
272
274
276
278
281
284
288
289
290
291
289
287
286
288
290
292
294
296
298
300
302
304
307

Thursday 18

Waning Crescent 2%

06:33

14:40

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 - 05:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
95
90
83
69
54
39

Low Clouds (% Sky Obscured)

95
80
66
55
51
49
48
65
80
100
90
83
80
86
88
83
69
54
39

Medium Clouds (% Sky Obscured)

95
97
99
100
87
71
53
41
33
25
30
30
35
35
35
35
30
25
10

High Clouds (% Sky Obscured)

86
92
92
86
77
37
20
20
20
30
61
65
60
61
66
38
23
16
10

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
9
9
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

59
61
64
70
69
66
57
61
68
78
85
84
79
67
55
50
60
66
67

Precipitation Amount (mm)

0.3
0.3
0.3
0.4
0.4
0.4
0.2
0.3
0.4
0.4
0.5
0.5
0.5
0.3
0
0
0.2
0.3
0.3

Wind Speed/Direction (mph)

2
2
2
3
4
4
4
5
8
10
13
13
13
13
13
14
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-3
-3
-2
-1
-1
-2
-1
-1
-2
-2
-2
-1
-1
-1
-2
-2
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
98
100
94
86
82
83
82

Pressure (mb)

1016
1016
1016
1015
1015
1014
1012
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

309
311
312
312
313
312
311
310
309
308
307
308
308
309
312
314
317
317
317

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

Generated: 12/12/25 06:21:09. Forecast: 12/12/25 to 18/12/25. Timezone: UTC-5.00