Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 29

Waxing Gibbous 68%

13:24

01:37

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:18, Set: 16:10, Transit: 11:43. Moon - Rise: 13:24, Set: 01:37. Civil Dark: 16:44 - 06:44. Nautical Dark: 17:21 - 06:06. Astro Dark: 17:58 - 05:29

Total Clouds (% Sky Obscured)

78
57
63
69
65
56
36
66
78
78
100
100
100
100
100
100
100
100
100
100
99
99
100
100

Low Clouds (% Sky Obscured)

68
57
60
52
52
40
25
7
25
1
2
39
72
76
94
95
94
91
90
92
93
95
97
98

Medium Clouds (% Sky Obscured)

0
0
0
0
0
6
12
26
78
78
100
100
100
100
100
100
100
100
99
99
98
98
100
96

High Clouds (% Sky Obscured)

3
1
6
18
43
56
36
44
61
63
100
100
100
80
100
100
95
55
33
3
4
2
0
0

ISS Passover

Visibility (miles)

9
9
9
9
8
8
3
8
3
9
9
9
9
2
1
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
4
4
2
2
2
4
2

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
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
23
49
71
71
75
81
90
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.4
0.4
0.5
0.6
0.8
0.8
0.6

Wind Speed/Direction (mph)

9
8
6
5
4
4
2
2
1
2
2
3
4
5
5
7
8
10
11
11
11
10
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
87
90
90
90
92
92
92
92
88
90
86
85
87
90
90
90
90
90
89
90
90
92
94

Pressure (mb)

1029
1030
1031
1031
1032
1032
1032
1032
1032
1032
1032
1031
1031
1029
1028
1027
1026
1025
1023
1021
1019
1017
1015
1014

Ozone (du)

338
338
339
341
343
347
345
346
344
342
341
340
340
345
351
351
352
354
355
355
357
358
361
364

Sunday 30

Waxing Gibbous 79%

13:44

02:56

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 Good
13 Good
14 Good
15 Good

Sun - Rise: 07:19, Set: 16:09, Transit: 11:44. Moon - Rise: 13:44, Set: 02:56. Civil Dark: 16:43 - 06:45. Nautical Dark: 17:21 - 06:07. Astro Dark: 17:57 - 05:30

Total Clouds (% Sky Obscured)

100
100
100
99
98
95
93
92
100
99
93
90
88
81
85
82
81
78
49
23
7
3
3
4

Low Clouds (% Sky Obscured)

97
96
99
92
97
92
88
90
93
90
84
83
82
81
85
82
78
75
49
21
7
2
2
2

Medium Clouds (% Sky Obscured)

100
100
100
95
76
69
64
87
100
96
77
29
9
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
3
8
2
19
3
12
8
3
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
6
15
16
15
8
3
2
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
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
91
73
54
54
59
59
56
39
19
12
8
15
7
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
9
9
10
12
11
9
9
8
12
14
15
16
15
14
13
12
11
11
10
9
9
7

Chance of Frost

Temperature (°C)

-5
-5
-4
-4
-3
-3
-2
-3
-3
-3
-3
-5
-6
-8
-9
-10
-11
-12
-12
-12
-12
-12
-11
-12

Feels Like (°C)

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

Dew Point (°C)

-6
-5
-5
-5
-4
-4
-3
-3
-3
-3
-4
-6
-8
-10
-12
-13
-14
-15
-16
-17
-17
-17
-17
-16

Relative Humidity (%)

94
94
96
96
98
96
92
96
96
96
92
90
85
83
82
81
80
79
75
66
64
63
65
72

Pressure (mb)

1012
1011
1010
1010
1009
1008
1008
1008
1008
1009
1010
1012
1014
1016
1019
1021
1023
1025
1026
1027
1027
1027
1027
1027

Ozone (du)

368
373
375
376
383
391
398
401
403
404
409
401
399
408
401
406
416
410
408
404
404
405
402
402

Monday 1

Waxing Gibbous 88%

14:09

04:20

16 Good
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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:20, Set: 16:09, Transit: 11:44. Moon - Rise: 14:09, Set: 04:20. Civil Dark: 16:43 - 06:46. Nautical Dark: 17:21 - 06:08. Astro Dark: 17:57 - 05:31

Total Clouds (% Sky Obscured)

6
35
63
100
100
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
94

Low Clouds (% Sky Obscured)

3
2
2
2
2
2
1
1
1
1
1
10
33
75
87
81
85
89
87
81
76
76
82
83

Medium Clouds (% Sky Obscured)

0
2
8
100
100
100
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
83
74

High Clouds (% Sky Obscured)

1
35
63
100
100
100
94
100
100
100
100
100
100
100
100
100
100
100
100
73
33
22
14
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
9
6
2
0
0
0
0
0
0
2
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
Snow
Snow
Snow
Snow
Snow
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
7
4
19
16
56
56
67
52
40
26
11
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
3
2
2
2
1
2
3
3
3
3
4
4
5
5
5
5
5
5
5
5
4
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
86
86
86
86
85
85
83
84
82
82
83
84
84
88
90
90
88
88
88
85
87
85
83

Pressure (mb)

1028
1029
1029
1029
1028
1028
1027
1027
1026
1025
1024
1023
1022
1021
1021
1020
1020
1019
1019
1018
1016
1015
1015
1014

Ozone (du)

399
396
395
389
384
383
380
380
378
374
374
375
374
373
372
370
373
380
383
383
384
384
385
382

Tuesday 2

Waxing Gibbous 95%

14:41

05:49

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
06 Bad
07 Bad
08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:21, Set: 16:08, Transit: 11:45. Moon - Rise: 14:41, Set: 05:49. Civil Dark: 16:43 - 06:47. Nautical Dark: 17:20 - 06:09. Astro Dark: 17:57 - 05:32

Total Clouds (% Sky Obscured)

80
68
60
72
83
95
86
76
66
73
79
85
83
94
92
92
69
34
87
97
99
99
99
98

Low Clouds (% Sky Obscured)

65
60
60
70
76
82
83
76
66
73
73
73
75
76
70
64
23
11
79
97
99
99
99
98

Medium Clouds (% Sky Obscured)

45
20
0
0
0
0
0
0
0
1
3
4
4
46
40
40
27
5
33
22
27
27
64
84

High Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
0
0
0
0
5
5
2
1
1
0
0
0
29
35
44

ISS Passover

Visibility (miles)

7
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
8
9
9
9
9
9
7
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
2
0
0
0
0
0
0
0
1
3
1
3
4
1
1
3
0
2
3
6
8
23
28

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
2
2
3
3
3
3
3
3
4
3
3
3
2
2
2
2
3
5
8
9
10
10
10

Chance of Frost

Temperature (°C)

-9
-11
-12
-12
-13
-14
-15
-15
-15
-15
-15
-14
-15
-14
-13
-13
-11
-9
-8
-7
-6
-5
-6
-6

Feels Like (°C)

-12
-14
-15
-15
-16
-18
-19
-18
-18
-18
-18
-17
-18
-18
-17
-16
-15
-12
-10
-12
-11
-11
-10
-11

Dew Point (°C)

-10
-12
-13
-14
-14
-16
-16
-16
-16
-16
-16
-16
-16
-16
-15
-14
-12
-11
-10
-10
-9
-8
-8
-7

Relative Humidity (%)

92
92
90
90
92
90
90
90
90
88
90
88
90
90
90
90
92
87
83
80
77
80
85
89

Pressure (mb)

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

Ozone (du)

382
382
381
374
363
359
358
359
361
362
363
362
362
362
363
362
363
362
358
359
356
352
351
352

Wednesday 3

Waxing Gibbous 99%

15:25

07:17

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:22, Set: 16:08, Transit: 11:45. Moon - Rise: 15:25, Set: 07:17. Civil Dark: 16:42 - 06:48. Nautical Dark: 17:20 - 06:10. Astro Dark: 17:57 - 05:33

Total Clouds (% Sky Obscured)

98
97
96
96
98
100
100
100
100
100
100
100
98
99
100
100
100
100
100
100
100
98
96
95

Low Clouds (% Sky Obscured)

97
97
94
95
96
99
93
88
83
89
92
95
93
92
93
77
59
45
34
24
13
22
29
38

Medium Clouds (% Sky Obscured)

79
81
74
60
60
46
56
88
97
98
99
91
60
64
75
88
95
100
100
100
100
95
90
85

High Clouds (% Sky Obscured)

29
26
31
3
5
18
68
64
65
76
61
38
38
38
35
40
45
47
28
14
2
0
1
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
2
0
0
0
0
2
2
3
5
7
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
Snow
Snow
Snow
None
None
None
None
Snow
Snow
None
None
Snow
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

38
44
53
53
47
41
37
29
35
41
47
38
30
33
36
51
37
8
7
4
0
0
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
10
9
10
11
10
10
9
8
8
8
7
7
8
9
9
10
10
11
11
11
11
11

Chance of Frost

Temperature (°C)

-6
-6
-6
-5
-5
-5
-5
-5
-5
-5
-5
-5
-6
-8
-9
-10
-11
-12
-12
-13
-13
-13
-15
-15

Feels Like (°C)

-11
-11
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-12
-14
-14
-16
-16
-16
-16
-17
-17
-18
-20
-21

Dew Point (°C)

-7
-7
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-7
-10
-11
-12
-14
-15
-17
-17
-18
-18
-19
-20

Relative Humidity (%)

92
90
94
94
92
92
92
90
90
92
92
92
90
87
87
85
78
75
69
68
66
63
66
68

Pressure (mb)

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

Ozone (du)

354
355
357
356
354
353
352
352
352
352
354
358
365
368
372
379
384
390
395
395
395
395
396
397

Thursday 4

Full Moon 100%

No Rise

08:37

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

Sun - Rise: 07:23, Set: 16:08, Transit: 11:45. Moon - Rise: No Rise, Set: 08:37. Civil Dark: 16:42 - 06:49. Nautical Dark: 17:20 - 06:11. Astro Dark: 17:57 - 05:34

Total Clouds (% Sky Obscured)

89
80
69
70
71
74
54
35
16
11
5
0
2
2
27
29
37
44
62
79
93
76
59
42

Low Clouds (% Sky Obscured)

48
58
67
67
70
74
54
35
16
11
5
0
0
0
0
0
0
2
3
3
3
4
2
1

Medium Clouds (% Sky Obscured)

57
29
0
0
0
0
0
0
0
0
0
0
0
0
1
13
28
41
54
67
80
58
36
17

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
23
36
50
66
83
64
45
26

ISS Passover

Visibility (miles)

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

3
3
1
6
6
1
5
5
5
3
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-21
-22
-23
-24
-25
-25
-24
-24
-24
-24
-24
-24
-24
-24
-23
-23
-25
-24
-24
-23
-23
-22
-18
-18

Dew Point (°C)

-20
-21
-22
-22
-23
-23
-22
-23
-23
-23
-23
-23
-23
-23
-23
-24
-23
-22
-21
-21
-21
-20
-20
-19

Relative Humidity (%)

71
72
72
74
74
76
77
76
77
75
76
76
76
77
77
77
75
71
68
66
62
59
64
71

Pressure (mb)

1014
1015
1016
1017
1018
1019
1019
1020
1021
1022
1023
1023
1024
1025
1025
1026
1026
1026
1026
1026
1025
1024
1025
1025

Ozone (du)

398
394
391
387
384
382
379
376
372
369
365
362
358
355
351
347
345
344
343
343
343
343
345
347

Friday 5

Waning Gibbous 97%

16:25

09:41

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:24, Set: 16:07, Transit: 11:46. Moon - Rise: 16:25, Set: 09:41. Civil Dark: 16:42 - 06:50. Nautical Dark: 17:20 - 06:12. Astro Dark: 17:57 - 05:35

Total Clouds (% Sky Obscured)

61
81
100
99
98
98
98
99
100
99
99
99
99
99
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

0
0
0
22
44
76
81
86
87
85
82
76
80
86
92
91
90
89
90
91
92

Medium Clouds (% Sky Obscured)

38
59
88
87
83
80
87
92
100
95
90
85
90
95
100
95
90
80
57
43
34

High Clouds (% Sky Obscured)

50
73
91
91
91
90
90
90
65
45
25
25
15
10
5
0
0
2
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
7
4
1
1
0
0
0
0
0
0
0
0
1
1
2
1
1

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
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
8
17
25
34
41
47
46
45
43
40
36
34
34
32
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0.1
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-16
-16
-15
-15
-15
-14
-14
-14
-14
-14
-15
-15
-15
-15
-15
-15
-14
-13
-13
-12
-11

Feels Like (°C)

-19
-19
-19
-20
-19
-18
-18
-18
-18
-18
-18
-18
-19
-19
-19
-19
-19
-19
-19
-19
-19

Dew Point (°C)

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

Relative Humidity (%)

77
79
79
81
81
81
81
83
83
84
84
84
84
84
84
86
84
83
83
85
83

Pressure (mb)

1025
1024
1024
1024
1024
1023
1023
1022
1022
1021
1020
1020
1019
1018
1017
1017
1016
1016
1016
1015
1014

Ozone (du)

348
346
344
341
341
341
341
341
341
341
344
347
349
348
347
346
342
339
336
334
332

Forecast for Lac-Saint-Louis, Lanaudière, Canada (46.53,-73.70)

Generated: 29/11/25 16:43:23. Forecast: 29/11/25 to 05/12/25. Timezone: UTC-5.00