Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 9

Waning Gibbous 65%

21:30

11:19

07 Bad
08 Bad
09 Bad
10 Bad
11 OK
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
06 Bad

Sun - Rise: 07:18, Set: 15:58, Transit: 11:38. Moon - Rise: 21:30, Set: 11:19. Civil Dark: 16:33 - 06:44. Nautical Dark: 17:11 - 06:06. Astro Dark: 17:47 - 05:30

Total Clouds (% Sky Obscured)

69
64
62
79
46
97
98
97
100
100
91
89
94
100
100
100
100
100
99
97
96
98
92
96

Low Clouds (% Sky Obscured)

12
2
11
32
36
32
28
20
20
10
16
16
12
14
15
15
62
85
84
82
83
79
76
79

Medium Clouds (% Sky Obscured)

0
1
1
3
2
76
90
90
100
100
88
82
94
100
100
100
100
100
98
86
83
86
68
60

High Clouds (% Sky Obscured)

0
0
3
10
11
41
59
32
60
55
55
63
73
96
100
78
70
51
3
0
0
3
9
53

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
1
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
14
43
47
43
52
57
49
40

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
2
3
9
9
9
8
5
2
2
3
3
3
3
2
2
2
2
3
3
3
3
3

Chance of Frost

Temperature (°C)

-21
-21
-19
-18
-13
-11
-11
-10
-10
-11
-11
-11
-12
-12
-12
-11
-10
-10
-9
-9
-9
-9
-9
-9

Feels Like (°C)

-25
-24
-23
-22
-17
-16
-16
-15
-14
-14
-15
-15
-16
-16
-16
-15
-13
-13
-13
-13
-13
-12
-12
-12

Dew Point (°C)

-23
-23
-23
-22
-17
-17
-16
-15
-14
-14
-13
-14
-14
-14
-14
-14
-13
-12
-11
-11
-10
-10
-10
-10

Relative Humidity (%)

78
78
74
70
66
65
62
66
72
80
85
83
83
83
81
80
78
80
90
88
90
92
92
92

Pressure (mb)

1023
1023
1022
1022
1021
1019
1018
1017
1017
1016
1015
1014
1014
1013
1012
1011
1010
1009
1008
1008
1006
1006
1006
1005

Ozone (du)

428
430
433
434
433
432
428
425
427
425
425
426
424
422
418
413
409
409
404
396
396
384
372
365

Wednesday 10

Waning Gibbous 55%

22:43

11:39

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
06 Bad

Sun - Rise: 07:19, Set: 15:58, Transit: 11:39. Moon - Rise: 22:43, Set: 11:39. Civil Dark: 16:33 - 06:45. Nautical Dark: 17:11 - 06:07. Astro Dark: 17:48 - 05:30

Total Clouds (% Sky Obscured)

93
98
100
100
100
100
100
100
100
100
100
100
98
100
100
97
100
100
100
100
100
98
98
100

Low Clouds (% Sky Obscured)

86
96
91
79
76
78
95
98
95
98
95
91
83
91
87
88
88
90
91
94
93
96
95
94

Medium Clouds (% Sky Obscured)

83
90
96
100
100
100
100
100
100
100
100
100
93
97
99
90
100
100
99
100
100
91
94
94

High Clouds (% Sky Obscured)

55
48
100
100
100
100
100
100
100
100
86
75
75
100
82
80
85
80
92
82
82
80
29
28

ISS Passover

Visibility (miles)

0
0
1
6
6
0
0
0
0
0
0
0
0
0
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

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

Precipitation Probability (%)

28
33
34
21
21
60
83
95
95
95
89
89
82
79
83
78
75
67
62
74
92
94
92
75

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.5
1
1.1
0.7
0.5
0.6
0.5
0.5
0.6
0.5
0.4
0.4
0.3
0.3
0.6
0.7
0.7
0.3

Wind Speed/Direction (mph)

4
4
4
5
6
7
8
9
9
10
10
9
8
8
8
9
10
10
10
10
9
9
7
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
89
84
81
85
92
94
94
94
94
96
94
96
96
96
96
96
96
96
96
96
96
92

Pressure (mb)

1005
1004
1004
1003
1002
1000
999
998
997
995
994
994
993
992
991
990
990
989
988
988
987
986
986
987

Ozone (du)

360
355
346
338
334
331
331
326
322
320
324
325
327
332
336
338
341
339
339
343
345
352
355
361

Thursday 11

Third Quarter 44%

23:53

11:56

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
06 Bad

Sun - Rise: 07:20, Set: 15:58, Transit: 11:39. Moon - Rise: 23:53, Set: 11:56. Civil Dark: 16:33 - 06:46. Nautical Dark: 17:11 - 06:08. Astro Dark: 17:48 - 05:31

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

92
90
88
86
87
91
93
97
98
95
91
89
89
88
89
96
95
98
96
94
92
92
92
93

Medium Clouds (% Sky Obscured)

45
40
37
39
42
79
100
100
100
100
100
100
100
100
99
95
100
99
99
100
100
100
100
100

High Clouds (% Sky Obscured)

25
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
39
44
52

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
1
1
1
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None

Precipitation Probability (%)

65
57
49
49
49
50
51
58
62
68
69
70
69
70
72
68
70
69
52
53
49
40
32
31

Precipitation Amount (mm)

0.3
0.2
0.1
0.1
0.1
0.1
0.1
0.2
0.3
0.3
0.3
0.4
0.4
0.4
0.5
0.4
0.4
0.4
0.2
0.2
0.1
0
0
0

Wind Speed/Direction (mph)

11
9
12
13
15
17
16
16
16
16
16
15
15
15
14
14
14
14
15
15
15
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
83
82
83
83
83
85
86
86
88
88
88
88
88
90
88
87
87
87
88
88
87
87

Pressure (mb)

988
989
989
990
990
989
989
989
989
989
990
990
990
990
989
990
990
991
991
992
993
994
995
996

Ozone (du)

362
358
364
373
381
387
391
401
409
409
409
405
403
401
401
397
394
393
392
388
384
381
373
368

Friday 12

Waning Crescent 34%

01:00

12:11

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

Sun - Rise: 07:21, Set: 15:58, Transit: 11:39. Moon - Rise: 01:00, Set: 12:11. Civil Dark: 16:33 - 06:47. Nautical Dark: 17:11 - 06:09. Astro Dark: 17:48 - 05:32

Total Clouds (% Sky Obscured)

100
100
100
95
90
85
83
82
83
81
79
80
78
61
29
40
39
50
52
86
92
92
94
95

Low Clouds (% Sky Obscured)

90
87
83
82
79
78
72
65
63
70
69
70
59
39
22
33
35
42
45
56
70
68
60
61

Medium Clouds (% Sky Obscured)

100
100
100
75
53
40
45
45
45
40
40
35
32
14
8
12
17
21
13
26
45
50
55
60

High Clouds (% Sky Obscured)

53
53
51
34
20
10
4
5
9
3
0
0
0
0
0
0
0
0
0
0
0
5
10
25

ISS Passover

Visibility (miles)

1
1
5
9
9
9
9
6
4
4
4
5
9
9
9
9
9
7
6
5
3
3
6
3

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 (%)

29
29
19
16
16
21
16
25
23
11
18
6
5
3
3
2
6
3
3
6
5
6
5
4

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)

16
16
16
16
16
16
15
14
14
12
12
12
12
11
11
10
9
9
8
7
7
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
82
79
80
80
82
80
82
82
82
82
82
82
83
83
86
86
88
88
90
88
88
88

Pressure (mb)

997
998
999
1000
1000
1000
1001
1002
1003
1004
1006
1007
1008
1009
1009
1010
1011
1011
1012
1013
1013
1013
1013
1013

Ozone (du)

372
377
373
372
370
365
364
361
359
356
356
357
360
357
356
358
360
365
363
360
355
360
361
360

Saturday 13

Waning Crescent 32%

02:06

12:26

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
06 Bad

Sun - Rise: 07:22, Set: 15:58, Transit: 11:40. Moon - Rise: 02:06, Set: 12:26. Civil Dark: 16:33 - 06:48. Nautical Dark: 17:11 - 06:09. Astro Dark: 17:48 - 05:32

Total Clouds (% Sky Obscured)

95
95
94
94
94
95
97
98
100
100
100
100
96
90
82
78
73
68
79
89
98
99
99
100

Low Clouds (% Sky Obscured)

83
94
94
94
90
86
86
88
89
76
64
60
73
74
67
47
28
13
17
21
25
24
24
20

Medium Clouds (% Sky Obscured)

55
55
55
59
71
84
91
96
35
20
20
25
34
38
41
43
35
34
52
67
79
88
95
100

High Clouds (% Sky Obscured)

30
5
0
4
9
13
30
48
70
53
28
0
1
1
4
4
3
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
5
3
0
0
0
0
0
0
0
0
1
1
4
7
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
7
10
35
38
31
29
33
34
31
25
20
22
18
14
19
22
26
26
24
19
20
21
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-15
-14
-11
-9
-8
-6
-5
-5
-4
-5
-4
-5
-6
-7
-8
-10
-10
-11
-12
-13
-14
-15
-15
-16

Relative Humidity (%)

88
88
87
88
90
92
92
92
94
94
94
91
90
87
87
83
85
85
85
85
86
84
86
84

Pressure (mb)

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

Ozone (du)

363
365
366
372
368
363
359
356
357
353
349
347
346
345
345
344
344
345
345
344
344
344
347
351

Sunday 14

Waning Crescent 25%

03:13

12:42

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
06 Bad

Sun - Rise: 07:23, Set: 15:58, Transit: 11:40. Moon - Rise: 03:13, Set: 12:42. Civil Dark: 16:33 - 06:48. Nautical Dark: 17:12 - 06:10. Astro Dark: 17:48 - 05:33

Total Clouds (% Sky Obscured)

100
100
100
96
91
86
90
93
97
92
91
89
88
84
79
86
91
97
88
80
61
51
64
65

Low Clouds (% Sky Obscured)

24
20
24
43
62
80
83
88
93
86
78
71
60
53
44
60
72
77
58
30
10
9
9
8

Medium Clouds (% Sky Obscured)

100
100
99
85
68
52
49
55
50
60
75
85
82
74
66
65
65
68
73
76
61
51
64
65

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)

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

22
20
16
16
15
13
11
9
7
10
9
4
6
6
2
6
6
6
8
8
6
11
8
2

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
10
10
10
11
10
10
10
10
10
10
10
11
11
11
12
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-17
-19
-20
-19
-19
-20
-19
-19
-20
-20
-20
-20
-20
-23
-24
-24
-25
-26
-26
-27
-28
-29
-29
-28

Dew Point (°C)

-16
-16
-17
-17
-17
-17
-17
-17
-18
-18
-19
-19
-20
-21
-22
-23
-24
-24
-24
-24
-25
-25
-25
-25

Relative Humidity (%)

84
81
79
76
76
76
76
76
77
76
75
75
75
73
73
72
71
71
71
71
70
70
69
70

Pressure (mb)

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

Ozone (du)

355
360
365
370
371
372
373
374
375
376
375
374
372
371
369
368
364
361
357
354
350
346
352
358

Monday 15

Waning Crescent 18%

04:20

13:00

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: 07:23, Set: 15:59, Transit: 11:41. Moon - Rise: 04:20, Set: 13:00. Civil Dark: 16:34 - 06:49. Nautical Dark: 17:12 - 06:11. Astro Dark: 17:49 - 05:34

Total Clouds (% Sky Obscured)

57
52
46
51
68
77
78
69
70
70
70
70
78
86
92
82
78
74

Low Clouds (% Sky Obscured)

6
9
7
22
36
52
63
54
45
40
40
45
40
40
40
44
38
36

Medium Clouds (% Sky Obscured)

53
38
25
15
6
0
0
1
1
1
1
2
17
32
54
34
15
1

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
6
3
0
0
0
0
0
0
0
2
3
5
6
7

Fog (%)

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

Precipitation Probability (%)

4
3
1
6
8
10
11
13
16
16
16
16
15
14
11
10
7
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-28
-27
-26
-26
-25
-24
-24
-21
-22
-22
-23
-23
-24
-23
-23
-22
-22
-22

Dew Point (°C)

-24
-23
-22
-22
-20
-18
-16
-17
-18
-19
-19
-19
-18
-19
-19
-18
-19
-19

Relative Humidity (%)

71
74
75
74
78
80
83
82
83
84
84
83
85
84
86
85
86
84

Pressure (mb)

1023
1024
1024
1025
1025
1024
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1027
1027

Ozone (du)

364
363
362
361
350
340
330
325
321
317
329
341
352
348
343
338
336
334

Forecast for Saint-Agapit, Chaudière-Appalaches, Canada (46.56,-71.44)

Generated: 09/12/25 07:48:13. Forecast: 09/12/25 to 15/12/25. Timezone: UTC-5.00