Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 8

Waning Gibbous 84%

20:24

10:56

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

Sun - Rise: 07:19, Set: 16:09, Transit: 11:44. Moon - Rise: 20:24, Set: 10:56. Civil Dark: 16:43 - 06:45. Nautical Dark: 17:20 - 06:08. Astro Dark: 17:56 - 05:32

Total Clouds (% Sky Obscured)

100
98
96
45
82
50
50
4
3
3
4
23
40
40
35
23
4
2
3
16
2
4
3
6

Low Clouds (% Sky Obscured)

91
94
75
5
66
5
10
0
1
1
1
5
15
10
10
6
1
0
1
2
0
1
1
2

Medium Clouds (% Sky Obscured)

60
54
49
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

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)

1
2
2
0
0
5
7
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
1
1
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
28
27
24
9
6
2
1
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
1
0
5
6
5
5
5
5
5
8
8
9
10
9
8
5
5
4
5
5
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-14
-14
-15
-14
-15
-17
-18
-20
-22
-20
-19
-18
-18
-17
-17
-16
-18
-19
-20
-21
-22
-22
-22
-22

Relative Humidity (%)

90
90
84
88
88
82
78
76
78
79
75
74
72
73
74
78
81
81
80
81
81
79
78
79

Pressure (mb)

1019
1020
1020
1021
1022
1023
1024
1025
1026
1027
1028
1028
1027
1027
1026
1027
1027
1027
1027
1028
1027
1027
1027
1026

Ozone (du)

398
400
399
398
402
402
402
401
396
395
398
403
403
397
392
391
398
406
421
415
416
413
405
408

Tuesday 9

Waning Gibbous 75%

21:40

11:22

00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
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: 07:20, Set: 16:09, Transit: 11:45. Moon - Rise: 21:40, Set: 11:22. Civil Dark: 16:43 - 06:46. Nautical Dark: 17:20 - 06:09. Astro Dark: 17:56 - 05:33

Total Clouds (% Sky Obscured)

8
10
9
11
19
24
13
28
36
99
100
100
100
100
100
100
98
99
100
100
100
100
98
93

Low Clouds (% Sky Obscured)

2
4
4
4
3
3
2
3
2
8
10
10
15
10
10
10
9
7
90
85
91
83
84
82

Medium Clouds (% Sky Obscured)

2
2
2
4
16
16
8
20
23
99
100
100
100
100
100
100
92
99
100
100
100
100
93
81

High Clouds (% Sky Obscured)

0
4
0
4
0
4
0
2
14
96
95
100
100
100
93
100
98
92
100
100
90
90
90
47

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
2
3
0
0
3

Fog (%)

0
0
0
0
0
0
0
1
3
8
4
6
2
1
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
Snow
None
Snow
Snow
Snow
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
26
25
48
62
54
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-20
-20
-20
-20
-19
-19
-19
-18
-17
-14
-11
-9
-8
-7
-7
-7
-8
-9
-9
-8
-7
-7
-7
-6

Feels Like (°C)

-22
-23
-23
-23
-23
-23
-22
-22
-21
-19
-17
-15
-14
-13
-12
-12
-13
-14
-14
-14
-13
-14
-13
-13

Dew Point (°C)

-22
-22
-22
-22
-22
-22
-21
-21
-20
-17
-14
-13
-12
-11
-11
-11
-12
-12
-12
-11
-11
-9
-8
-9

Relative Humidity (%)

78
79
79
79
79
80
79
78
79
77
76
74
72
73
73
73
74
77
78
75
74
85
92
84

Pressure (mb)

1026
1026
1025
1025
1024
1024
1023
1023
1022
1022
1021
1019
1018
1016
1014
1013
1012
1011
1010
1010
1009
1008
1007
1007

Ozone (du)

409
405
410
427
431
428
425
428
426
424
424
426
426
427
424
425
425
425
429
429
425
421
416
415

Wednesday 10

Waning Gibbous 65%

22:52

11:43

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: 07:21, Set: 16:10, Transit: 11:45. Moon - Rise: 22:52, Set: 11:43. Civil Dark: 16:43 - 06:47. Nautical Dark: 17:20 - 06:10. Astro Dark: 17:56 - 05:34

Total Clouds (% Sky Obscured)

93
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
97

Low Clouds (% Sky Obscured)

86
100
85
83
78
76
84
71
71
70
83
94
97
100
91
92
100
100
91
92
92
93
91
89

Medium Clouds (% Sky Obscured)

43
99
89
89
95
29
52
58
100
100
100
100
100
100
100
100
100
100
100
98
96
93
92
90

High Clouds (% Sky Obscured)

0
11
3
20
16
65
100
100
100
100
100
100
100
100
100
100
100
100
100
83
21
0
0
0

ISS Passover

Visibility (miles)

0
0
0
4
0
9
4
8
6
9
9
9
9
9
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

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

Precipitation Probability (%)

43
47
46
44
38
26
10
7
6
3
9
49
91
95
95
95
95
95
95
79
82
85
80
78

Precipitation Amount (mm)

0.2
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0.4
1
1.1
0.8
1.1
1.3
0.7
0.5
0.5
0.6
0.5
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
90
85
94
84
85
87
87
89
89
87
87
89
98
98
98
98
98
98
98
98
98
100

Pressure (mb)

1006
1005
1005
1004
1003
1003
1003
1003
1003
1002
1002
1001
999
998
997
995
995
994
994
994
993
993
992
992

Ozone (du)

407
397
388
372
352
342
338
339
338
337
338
340
341
343
340
341
340
340
340
348
346
347
347
345

Thursday 11

Third Quarter 55%

00:00

12:01

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: 16:10, Transit: 11:46. Moon - Rise: 00:00, Set: 12:01. Civil Dark: 16:43 - 06:48. Nautical Dark: 17:21 - 06:11. Astro Dark: 17:56 - 05:35

Total Clouds (% Sky Obscured)

96
97
98
100
100
99
99
98
81
71
82
95
98
99
100
100
100
100
99
97
61
42
39
38

Low Clouds (% Sky Obscured)

87
90
96
100
99
99
98
96
75
60
75
92
95
97
100
100
100
100
99
96
55
42
39
38

Medium Clouds (% Sky Obscured)

88
75
65
54
63
37
41
40
35
27
29
33
33
29
34
40
38
33
25
33
41
42
39
38

High Clouds (% Sky Obscured)

0
14
25
30
26
21
17
11
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
9
9
9
9
9
9
7
7
6
5
3
7
7
7
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

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

Precipitation Probability (%)

78
83
95
74
56
34
19
13
12
7
10
13
12
14
18
18
20
22
26
19
22
18
20
25

Precipitation Amount (mm)

0.5
0.6
0.9
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
8
7
8
7
9
9
9
9
10
9
10
10
10
9
9
9
9
10
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-8
-8
-7
-9
-9
-11
-14
-15
-15
-15
-15
-15
-14
-14
-15
-15
-15
-15
-15
-16
-15
-15
-15

Dew Point (°C)

-2
-3
-3
-3
-5
-5
-6
-8
-9
-10
-10
-10
-10
-10
-10
-11
-11
-11
-12
-12
-13
-14
-14
-14

Relative Humidity (%)

100
98
100
100
96
96
87
87
85
83
83
83
85
85
83
85
85
85
83
81
80
80
80
80

Pressure (mb)

993
993
994
995
996
997
999
1000
1001
1003
1004
1004
1004
1004
1005
1005
1006
1006
1007
1007
1007
1007
1007
1007

Ozone (du)

354
354
346
349
362
362
362
361
356
352
353
350
352
350
352
356
359
361
365
370
372
371
370
370

Friday 12

Waning Crescent 44%

00:00

12:18

00 Bad
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
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: 16:10, Transit: 11:46. Moon - Rise: 00:00, 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)

38
33
36
68
75
65
18
18
17
15
11
11
15
46
47
47
55
62
76
83
90
97
95
94

Low Clouds (% Sky Obscured)

38
33
36
68
75
65
18
18
17
15
11
11
15
46
47
47
55
58
63
70
77
77
81
81

Medium Clouds (% Sky Obscured)

38
33
36
40
33
31
18
18
17
15
11
11
15
46
34
35
46
58
70
73
73
70
66
69

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
17
38
38
33
26
20
10

ISS Passover

Visibility (miles)

9
9
9
9
8
5
7
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
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 (%)

26
22
20
17
20
23
21
27
29
29
28
29
29
27
26
24
26
26
24
24
24
22
23
23

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

Chance of Frost

Temperature (°C)

-12
-12
-12
-13
-13
-14
-14
-14
-14
-13
-12
-11
-10
-10
-10
-11
-12
-12
-13
-14
-14
-14
-14
-13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
81
84
84
84
84
83
83
83
83
81
80
83
83
85
85
86
86
86
84
86
86
86

Pressure (mb)

1007
1007
1008
1008
1008
1008
1009
1009
1009
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1012
1012
1012

Ozone (du)

370
370
369
364
360
358
351
346
347
345
347
347
345
348
347
345
343
345
346
348
347
346
344
348

Saturday 13

Waning Crescent 34%

01:06

12:34

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: 16:10, Transit: 11:47. Moon - Rise: 01:06, Set: 12:34. Civil Dark: 16:44 - 06:49. Nautical Dark: 17:21 - 06:12. Astro Dark: 17:57 - 05:36

Total Clouds (% Sky Obscured)

93
92
92
92
93
94
95
94
92
92
95
96
98
98
97
96
96
97
97
98
99
100
98
96

Low Clouds (% Sky Obscured)

81
81
81
81
84
88
90
90
90
83
77
68
61
63
65
68
74
80
86
85
85
84
86
88

Medium Clouds (% Sky Obscured)

62
65
72
79
69
60
55
63
66
70
85
93
98
86
74
63
56
51
44
39
35
28
24
19

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)

8
9
9
9
9
6
3
0
0
0
0
0
0
1
1
0
0
0
0
0
1
3
4
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
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
Snow
None
None
None

Precipitation Probability (%)

19
21
22
19
21
25
30
38
41
41
45
47
46
38
31
23
25
28
29
36
41
40
39
37

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
85
85
85
86
88
88
90
92
90
90
90
90
92
92
92
92
92
90
90
88
88

Pressure (mb)

1012
1012
1012
1012
1011
1011
1012
1012
1012
1012
1012
1012
1011
1011
1011
1012
1012
1013
1014
1014
1015
1015
1015
1015

Ozone (du)

352
356
358
359
360
363
365
367
369
371
374
376
378
380
378
376
374
374
374
374
373
372
371
366

Sunday 14

Waning Crescent 25%

02:11

12:51

Sun - Rise: 07:24, Set: 16:10, Transit: 11:47. Moon - Rise: 02:11, Set: 12:51. Civil Dark: 16:44 - 06:50. Nautical Dark: 17:21 - 06:13. Astro Dark: 17:57 - 05:37

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: 07/12/25 23:41:13. Forecast: 08/12/25 to 14/12/25. Timezone: UTC-5.00