Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 10

Waning Gibbous 65%

22:52

11:43

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
01 Bad
02 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)

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

Low Clouds (% Sky Obscured)

96
84
87
78
77
68
78
81
100
100
100
91
87
82
84
84
90
93
93
93
91
92
89
89

Medium Clouds (% Sky Obscured)

82
58
58
92
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
91
90

High Clouds (% Sky Obscured)

49
50
29
85
100
49
100
100
100
100
100
100
100
100
100
100
100
65
46
1
2
4
5
1

ISS Passover

Visibility (miles)

1
9
9
9
9
9
9
8
0
0
0
0
0
0
0
0
2
1
2
1
0
0
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

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

Precipitation Probability (%)

36
29
20
18
15
8
14
41
95
95
95
95
95
70
58
52
53
69
65
82
92
69
58
65

Precipitation Amount (mm)

0.1
0
0
0
0
0
0
0
0.9
1.9
2.2
1.5
0.8
0.3
0.2
0.2
0.2
0.4
0.3
0.5
0.7
0.2
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
79
81
84
85
87
87
87
91
96
98
98
98
98
96
96
94
92
94
94
98
100
94
92

Pressure (mb)

1005
1004
1003
1003
1003
1002
1002
1001
999
997
995
994
993
993
992
992
992
991
990
990
989
989
989
989

Ozone (du)

353
345
338
335
333
333
332
333
332
328
323
323
325
330
332
335
341
341
341
337
337
341
347
349

Thursday 11

Third Quarter 55%

00:00

12:01

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
01 Bad
02 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
90
99
96
97
97
96
97
99
98
99
99
100
99
100
100
100
99
100
99
98
98
99
100

Low Clouds (% Sky Obscured)

87
82
98
91
87
89
88
92
97
95
87
90
90
89
89
90
99
97
100
97
95
92
95
94

Medium Clouds (% Sky Obscured)

89
39
42
41
40
46
39
37
41
44
97
96
100
97
100
100
100
91
90
90
89
92
97
100

High Clouds (% Sky Obscured)

9
0
4
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)

0
9
3
2
5
8
4
2
1
1
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
None
Snow
Snow
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None

Precipitation Probability (%)

57
35
42
40
33
29
29
29
31
35
42
47
56
58
60
62
63
65
68
67
61
54
45
36

Precipitation Amount (mm)

0.2
0
0.1
0.1
0
0
0
0
0
0
0.1
0.1
0.2
0.2
0.3
0.3
0.3
0.3
0.4
0.4
0.3
0.2
0.1
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-13
-12
-14
-15
-16
-16
-17
-17
-18
-18
-19
-19
-19
-20
-20
-19
-20
-20
-20
-21
-21
-21
-20

Dew Point (°C)

-4
-7
-7
-8
-9
-11
-12
-12
-12
-12
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13

Relative Humidity (%)

98
89
89
87
85
82
82
81
83
83
83
85
86
88
88
88
88
86
88
88
86
86
83
83

Pressure (mb)

990
991
992
993
994
995
996
996
996
996
996
996
996
996
997
997
997
998
998
998
999
999
1000
1001

Ozone (du)

350
351
354
357
362
364
369
371
382
389
389
387
391
404
408
410
408
409
412
410
406
400
398
393

Friday 12

Waning Crescent 44%

01:06

12:18

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 OK
17 Bad
18 OK
19 Bad
20 OK
21 Bad
22 OK
23 Bad
00 Bad
01 Bad
02 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
99
96
93
94
91
94
93
94
92
91
78
69
47
49
29
49
46
47
33
39
48
56
63

Low Clouds (% Sky Obscured)

95
93
88
84
83
83
82
82
85
82
81
70
67
47
49
29
45
45
46
33
39
48
49
36

Medium Clouds (% Sky Obscured)

100
98
91
83
49
22
39
30
32
30
30
26
29
15
19
8
5
3
0
5
11
17
33
46

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
9
17
14
8

ISS Passover

Visibility (miles)

1
1
1
5
9
9
9
9
9
9
9
9
9
9
9
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

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
29
10
6
4
5
3
1
3
3
2
1
1
0
1
1
2
2
1
2
1
0
0
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)

17
17
17
17
16
15
15
14
14
14
13
12
11
9
8
8
7
7
6
5
5
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-20
-20
-20
-20
-20
-20
-19
-19
-18
-18
-16
-15
-15
-15
-15
-15
-15
-15
-15
-16
-15
-15
-14
-14

Dew Point (°C)

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

Relative Humidity (%)

81
83
83
81
81
81
83
83
85
83
85
83
82
80
80
80
83
85
86
86
86
86
88
88

Pressure (mb)

1002
1003
1003
1004
1005
1006
1007
1008
1008
1008
1008
1009
1010
1010
1011
1012
1012
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

389
387
380
377
372
373
371
364
364
365
365
365
365
363
366
364
368
363
364
367
366
364
360
358

Saturday 13

Waning Crescent 34%

02:11

12:34

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
01 Bad
02 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 - 05:36

Total Clouds (% Sky Obscured)

67
68
89
97
96
97
94
83
91
96
95
94
94
96
98
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
31
38
55
59
30
49
54
67
68
93
92
89
96
98
94
92
92
92
91
92
95
89
81

Medium Clouds (% Sky Obscured)

58
59
82
89
90
92
89
58
84
91
85
74
60
68
34
90
96
98
63
70
70
70
67
65

High Clouds (% Sky Obscured)

0
0
3
2
0
0
0
0
0
0
0
0
0
31
59
93
94
99
95
100
100
95
63
30

ISS Passover

Visibility (miles)

7
5
6
8
6
6
9
9
9
5
3
0
0
0
0
0
0
3
9
1
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
Snow
None
Snow
Snow
Snow
None
None
None
None
None
Snow
Snow
Snow

Precipitation Probability (%)

0
4
2
1
3
4
2
15
21
27
28
38
36
52
61
56
36
29
16
31
32
42
56
59

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.1
0
0.2
0.3
0.2
0
0
0
0
0
0.2
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
86
86
88
86
87
85
85
87
87
91
94
96
96
96
96
92
87
90
94
94
96
96

Pressure (mb)

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

Ozone (du)

360
368
364
365
370
369
368
371
370
368
371
372
373
375
375
369
369
369
366
359
359
359
360
362

Sunday 14

Waning Crescent 25%

No Rise

12:51

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
01 Bad
02 Bad

Sun - Rise: 07:24, Set: 16:10, Transit: 11:47. Moon - Rise: No Rise, 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)

99
98
98
98
98
98
98
99
99
97
87
89
90
89
90
88
83
77
72
56
51
51
44
38

Low Clouds (% Sky Obscured)

72
76
79
84
83
84
86
84
84
83
81
78
72
72
71
69
50
28
11
13
19
25
16
8

Medium Clouds (% Sky Obscured)

55
29
15
56
68
79
64
83
79
78
52
66
69
65
60
55
48
41
35
27
23
12
13
16

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)

0
0
0
0
0
0
0
0
0
2
1
1
1
0
0
0
0
3
5
8
7
6
5
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
None
None
None
None
None
None
None
None
None
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

47
45
45
40
37
34
24
24
22
13
30
32
31
32
35
38
37
33
21
25
23
15
20
19

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
5
5
4
3
3
3
3
4
5
5
9
9
8
9
10
11
10
10
9
9
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-10
-11
-11
-12
-12
-11
-12
-12
-11
-11
-12
-12
-13
-14
-13
-14
-15
-16
-16
-17
-18
-19
-20

Dew Point (°C)

-6
-6
-7
-7
-9
-9
-8
-8
-9
-9
-9
-9
-9
-10
-11
-11
-12
-12
-13
-13
-15
-16
-17
-17

Relative Humidity (%)

96
94
96
96
94
94
94
90
89
85
87
88
92
94
94
94
94
92
90
88
86
84
82
83

Pressure (mb)

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

Ozone (du)

361
363
362
364
365
369
379
380
385
393
392
389
385
382
377
372
368
362
356
351
347
343
339
340

Monday 15

Waning Crescent 17%

03:16

13:11

03 Bad
04 Bad
05 Bad
06 OK
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

Sun - Rise: 07:25, Set: 16:10, Transit: 11:48. Moon - Rise: 03:16, 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)

31
28
23
16
33
50
65
71
78
85
87
90
93
73
52
34
54
75
88
92
96
100
100
100

Low Clouds (% Sky Obscured)

0
11
20
12
30
47
65
71
78
81
81
80
80
53
27
1
9
20
31
50
69
88
89
90

Medium Clouds (% Sky Obscured)

18
12
7
1
1
1
1
5
8
9
10
12
13
18
23
23
36
48
56
45
33
19
19
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
8
15
16
18
26
38
40
38
22
25
24
22
18
9
10
26
42

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
6
4
1
1
1
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

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 (%)

8
11
11
3
8
7
5
11
13
9
9
6
1
6
7
2
7
7
2
10
13
15
18
19

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-20
-22
-22
-21
-20
-21
-20
-20
-20
-20
-19
-18
-19
-19
-19
-19
-19
-22
-22
-21
-21
-21
-21
-19

Dew Point (°C)

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

Relative Humidity (%)

83
83
84
83
82
83
82
82
82
81
79
81
81
81
82
84
84
84
85
85
86
86
88
88

Pressure (mb)

1024
1025
1026
1027
1027
1028
1029
1029
1029
1028
1028
1027
1027
1027
1027
1027
1028
1027
1027
1027
1027
1026
1026
1026

Ozone (du)

342
344
343
342
340
341
342
343
331
318
306
304
302
301
305
309
313
312
311
310
314
318
322
322

Tuesday 16

Waning Crescent 11%

04:22

13:34

Sun - Rise: 07:25, Set: 16:11, Transit: 11:48. Moon - Rise: 04:22, Set: 13:34. Civil Dark: 16:44 - 06:52. Nautical Dark: 17:22 - 06:14. Astro Dark: 17:58 - 05:38

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: 10/12/25 02:58:40. Forecast: 10/12/25 to 16/12/25. Timezone: UTC-5.00