Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Full Moon 100%

15:30

07:07

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 OK
18 OK
19 Bad
20 OK
21 OK
22 OK
23 Good
00 Good
01 Good
02 Good
03 Good

Sun - Rise: 07:15, Set: 16:11, Transit: 11:43. Moon - Rise: 15:30, Set: 07:07. Civil Dark: 16:44 - 06:41. Nautical Dark: 17:21 - 06:05. Astro Dark: 17:56 - 05:29

Total Clouds (% Sky Obscured)

100
100
98
95
95
97
93
88
79
94
74
53
86
29
34
58
40
35
32
8
7
3
0
2

Low Clouds (% Sky Obscured)

93
100
76
87
90
89
83
43
47
69
64
53
77
21
34
58
40
35
32
8
7
0
0
0

Medium Clouds (% Sky Obscured)

93
85
61
80
60
64
53
47
27
41
9
5
0
0
0
0
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

0
0
4
40
36
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
1
9
8
9
9
9
9
5
9
9
7
8
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

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

Precipitation Probability (%)

46
71
59
37
27
24
18
20
17
11
10
6
20
8
2
0
0
0
0
1
0
2
0
0

Precipitation Amount (mm)

0.1
0.6
0.2
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
11
5
13
9
11
12
14
15
15
15
16
18
18
17
16
16
15
14
11
9
9
7
5

Chance of Frost

Temperature (°C)

-0
-2
-4
-5
-6
-5
-5
-6
-8
-9
-9
-9
-10
-11
-13
-14
-14
-15
-15
-15
-15
-15
-15
-15

Feels Like (°C)

-5
-6
-11
-11
-11
-11
-11
-13
-15
-17
-16
-16
-16
-20
-21
-21
-21
-21
-21
-20
-19
-19
-18
-18

Dew Point (°C)

-2
-2
-5
-7
-8
-8
-9
-10
-10
-11
-12
-13
-15
-16
-18
-19
-19
-19
-19
-19
-19
-19
-19
-19

Relative Humidity (%)

91
96
92
89
84
80
76
76
80
82
78
72
69
66
66
67
67
68
70
70
71
71
71
73

Pressure (mb)

1010
1010
1011
1013
1013
1013
1013
1014
1015
1015
1016
1017
1018
1020
1022
1024
1025
1025
1026
1027
1027
1028
1028
1028

Ozone (du)

372
368
370
379
379
385
386
379
387
396
406
406
409
408
407
404
401
399
393
391
388
383
378
372

Friday 5

Waning Gibbous 97%

16:31

08:26

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

Sun - Rise: 07:16, Set: 16:10, Transit: 11:43. Moon - Rise: 16:31, Set: 08:26. Civil Dark: 16:44 - 06:42. Nautical Dark: 17:21 - 06:05. Astro Dark: 17:56 - 05:30

Total Clouds (% Sky Obscured)

6
11
13
59
81
99
98
95
96
86
56
21
17
47
25
28
39
42
43
40
45
100
100
100

Low Clouds (% Sky Obscured)

0
1
1
1
23
1
0
0
1
0
0
1
1
1
0
0
0
24
24
31
34
27
1
0

Medium Clouds (% Sky Obscured)

1
7
9
59
80
98
97
93
88
84
52
14
7
23
17
24
35
33
31
36
36
27
100
100

High Clouds (% Sky Obscured)

0
0
2
27
60
46
21
58
55
17
6
3
6
26
13
0
3
4
9
0
9
100
100
100

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
6
2
0
1
1
1
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
6
8
12
13
13
13
14
13
12
12
12
12
11
11
10
11
11
11
11
11
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
72
69
71
73
73
69
66
68
67
67
67
67
67
68
70
71
73
73
74
74
76
76
76

Pressure (mb)

1028
1027
1027
1027
1026
1026
1026
1024
1023
1022
1020
1019
1019
1019
1018
1018
1018
1017
1017
1016
1015
1015
1015
1014

Ozone (du)

369
369
371
372
369
368
363
361
360
366
370
371
361
358
351
352
351
346
345
340
335
331
329
326

Saturday 6

Waning Gibbous 92%

17:44

09:31

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
03 Bad

Sun - Rise: 07:17, Set: 16:10, Transit: 11:44. Moon - Rise: 17:44, Set: 09:31. Civil Dark: 16:44 - 06:43. Nautical Dark: 17:21 - 06:06. Astro Dark: 17:56 - 05:31

Total Clouds (% Sky Obscured)

100
96
96
93
95
95
92
99
99
97
99
94
96
97
96
95
95
98
91
60
77
69
65
47

Low Clouds (% Sky Obscured)

14
59
70
53
36
36
36
41
10
28
43
77
82
86
81
86
78
92
62
5
45
38
35
31

Medium Clouds (% Sky Obscured)

100
90
79
74
89
90
87
98
98
93
98
69
49
60
31
23
21
24
9
0
2
2
0
0

High Clouds (% Sky Obscured)

96
80
80
75
75
75
50
40
50
50
29
13
0
0
0
3
39
7
9
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
1
0
3
1
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
Snow
Snow
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
1
5
13
14
19
25
31
48
60
34
26
19
7
6
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-8
-8
-8
-7
-5
-5
-4
-4
-3
-3
-3
-3
-3
-3
-2
-1
-1
-3
-5
-6
-9
-10

Relative Humidity (%)

77
77
77
77
78
79
79
79
80
80
80
78
78
78
80
80
83
88
91
94
89
92
82
82

Pressure (mb)

1013
1013
1012
1012
1012
1011
1011
1010
1009
1008
1008
1008
1008
1008
1008
1008
1009
1009
1011
1012
1014
1015
1017
1018

Ozone (du)

320
319
323
325
330
331
331
331
330
330
331
329
331
335
341
343
339
341
340
339
341
340
338
339

Sunday 7

Waning Gibbous 84%

19:04

10:20

04 OK
05 Good
06 Good
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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:18, Set: 16:10, Transit: 11:44. Moon - Rise: 19:04, Set: 10:20. Civil Dark: 16:44 - 06:44. Nautical Dark: 17:21 - 06:07. Astro Dark: 17:56 - 05:32

Total Clouds (% Sky Obscured)

30
7
6
47
63
71
81
89
100
100
100
100
100
100
100
99
99
99
99
99
99
98
98
98

Low Clouds (% Sky Obscured)

22
7
1
0
1
1
1
2
5
35
75
77
90
94
97
99
99
99
99
99
99
97
96
94

Medium Clouds (% Sky Obscured)

0
0
2
41
51
66
74
89
100
100
100
100
99
99
99
97
96
94
94
95
96
92
87
82

High Clouds (% Sky Obscured)

0
0
1
8
4
5
34
61
92
63
31
0
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
9
9
9
9
9
9
9
1
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

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

Precipitation Probability (%)

2
1
0
0
0
0
0
0
0
0
0
1
8
11
13
22
25
30
44
43
51
51
47
43

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
9
7
6
5
4
3
2
1
1
1
1
1
1
3
4
4
5
6
7
8
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-12
-13
-14
-14
-14
-15
-14
-14
-14
-14
-14
-13
-13
-13
-13
-13
-13
-12
-11
-11
-11
-11
-12

Relative Humidity (%)

82
78
80
78
78
72
68
66
64
64
64
65
69
71
71
71
72
72
80
88
87
88
88
81

Pressure (mb)

1019
1020
1021
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1020

Ozone (du)

343
343
343
347
349
352
352
354
357
362
365
366
366
376
385
382
372
374
375
377
378
375
377
383

Monday 8

Waning Gibbous 75%

20:24

10:56

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

Sun - Rise: 07:19, Set: 16:10, Transit: 11:44. Moon - Rise: 20:24, Set: 10:56. Civil Dark: 16:44 - 06:45. Nautical Dark: 17:21 - 06:08. Astro Dark: 17:56 - 05:32

Total Clouds (% Sky Obscured)

94
91
89
82
44
31
26
53
75
70
46
5
5
5
9
16
27
37
57
78
98
98
94
95

Low Clouds (% Sky Obscured)

93
89
85
75
44
31
26
30
14
9
5
0
0
1
1
1
1
1
14
28
44
55
65
74

Medium Clouds (% Sky Obscured)

65
30
0
0
0
0
0
0
0
0
0
0
0
0
3
7
12
18
34
52
77
77
77
76

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
19
35
50
33
18
3

ISS Passover

Visibility (miles)

1
0
4
7
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 (%)

37
32
22
19
16
9
6
4
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
88
81
79
79
75
70
67
68
69
69
72
73
75
75
73
73
73
72
71
71
71
68
67

Pressure (mb)

1021
1021
1022
1023
1024
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024

Ozone (du)

390
397
405
422
435
431
422
413
410
397
387
383
387
380
374
369
378
386
395
397
399
401
400
398

Tuesday 9

Waning Gibbous 75%

21:41

11:22

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
03 Bad

Sun - Rise: 07:20, Set: 16:10, Transit: 11:45. Moon - Rise: 21:41, Set: 11:22. Civil Dark: 16:44 - 06:46. Nautical Dark: 17:21 - 06:09. Astro Dark: 17:57 - 05:33

Total Clouds (% Sky Obscured)

94
93
92
88
90
92
95
98
99
100
100
100
100
100
100
99
98
98
98
98
98
99
100
100

Low Clouds (% Sky Obscured)

65
61
61
44
26
9
6
3
0
0
0
0
62
79
88
86
85
81
78
79
81
86
90
93

Medium Clouds (% Sky Obscured)

72
69
64
57
60
63
60
57
50
65
72
86
92
96
100
94
89
86
88
90
92
96
98
100

High Clouds (% Sky Obscured)

4
5
7
7
7
5
19
32
48
67
90
100
82
59
38
29
17
3
0
0
10
18
15
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
7
10
10
27
29
30
32
30
23
25
25
23
22
19
11

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)

1
3
4
6
8
10
12
12
12
12
12
13
14
14
14
14
14
15
14
15
15
15
15
14

Chance of Frost

Temperature (°C)

-15
-13
-12
-10
-9
-8
-7
-6
-5
-5
-5
-4
-4
-4
-4
-4
-4
-4
-4
-3
-3
-3
-2
-2

Feels Like (°C)

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

Dew Point (°C)

-19
-18
-16
-14
-13
-12
-11
-10
-10
-10
-10
-10
-10
-9
-8
-7
-8
-7
-7
-6
-6
-6
-5
-5

Relative Humidity (%)

66
67
70
71
71
71
71
70
67
66
68
66
65
69
72
75
75
76
79
79
76
76
79
79

Pressure (mb)

1023
1023
1022
1022
1021
1020
1019
1018
1017
1015
1014
1013
1012
1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1007

Ozone (du)

397
400
403
406
410
414
418
416
415
413
412
412
411
408
405
402
401
400
399
396
393
391
377
364

Wednesday 10

Waning Gibbous 65%

22:52

11:43

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: 07:21, Set: 16:10, Transit: 11:45. Moon - Rise: 22:52, Set: 11:43. Civil Dark: 16:44 - 06:47. Nautical Dark: 17:21 - 06:10. Astro Dark: 17:57 - 05:34

Total Clouds (% Sky Obscured)

100
100
100
100
93
94
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
84
79
82
84
85
87
90
93
92
90
88
91
93
95
96
98
100
100
99
99

Medium Clouds (% Sky Obscured)

99
96
92
82
67
53
62
67
68
77
87
99
99
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

15
24
34
29
27
86
89
87
85
86
81
78
76
78
82
87
94
100
99
98
97

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

Fog (%)

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
Sleet
Sleet
Sleet
Snow
Snow
Light Rain
Light Rain

Precipitation Probability (%)

18
20
19
18
16
11
11
9
4
11
16
24
39
51
62
79
91
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.6
0.8
0.8
0.8
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-4
-3
-3
-2
-2
-1
-1
0
0
0
0
0
0
1
1
1
1
1
1

Relative Humidity (%)

83
83
83
84
83
83
83
83
83
83
82
80
79
76
76
76
80
83
88
89
89

Pressure (mb)

1007
1007
1008
1008
1008
1008
1008
1007
1006
1005
1005
1004
1004
1003
1003
1002
1001
1001
1000
1000
1000

Ozone (du)

351
348
346
344
344
345
345
344
342
340
339
338
337
335
334
332
332
333
333
337
340

Forecast for Venise-en-Québec, Montérégie, Canada (45.08,-73.14)

Generated: 04/12/25 04:08:15. Forecast: 04/12/25 to 10/12/25. Timezone: UTC-5.00