Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 2%

06:33

14:26

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

Sun - Rise: 07:25, Set: 16:00, Transit: 11:42. Moon - Rise: 06:33, Set: 14:26. Civil Dark: 16:35 - 06:50. Nautical Dark: 17:13 - 06:12. Astro Dark: 17:50 - 05:35

Total Clouds (% Sky Obscured)

100
96
83
43
17
2
30
5
17
12
29
40
28
67
58
89
87
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

77
62
44
34
17
1
1
1
17
8
24
10
19
48
37
41
23
17
6
1
2
2
1
5

Medium Clouds (% Sky Obscured)

58
30
1
0
0
0
2
0
0
5
1
17
2
2
24
63
85
100
100
100
100
100
31
1

High Clouds (% Sky Obscured)

6
2
0
0
0
0
30
0
2
1
0
3
2
38
20
64
41
61
59
100
100
100
100
100

ISS Passover

Visibility (miles)

0
7
9
9
9
9
9
9
9
9
6
6
6
3
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 (%)

14
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)

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

Chance of Frost

Temperature (°C)

0
-1
-4
-6
-7
-8
-9
-9
-11
-12
-12
-13
-12
-12
-9
-6
-5
-4
-3
-3
-3
-3
-2
-2

Feels Like (°C)

-5
-7
-10
-10
-11
-13
-13
-15
-13
-14
-14
-15
-15
-15
-12
-9
-7
-7
-7
-6
-6
-6
-6
-5

Dew Point (°C)

0
-3
-6
-8
-10
-11
-11
-12
-13
-14
-14
-14
-14
-14
-11
-9
-7
-6
-6
-4
-4
-3
-3
-3

Relative Humidity (%)

98
83
82
80
82
82
83
83
88
86
86
88
88
88
88
82
81
82
82
87
92
94
92
92

Pressure (mb)

1006
1009
1012
1015
1017
1019
1020
1022
1022
1022
1022
1023
1023
1025
1025
1024
1022
1021
1019
1018
1017
1016
1015
1014

Ozone (du)

334
340
345
340
342
339
335
334
330
327
327
327
330
330
331
329
327
324
320
321
320
317
312
311

Thursday 18

Waning Crescent 0%

07:33

15:12

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:26, Set: 16:00, Transit: 11:43. Moon - Rise: 07:33, Set: 15:12. Civil Dark: 16:35 - 06:51. Nautical Dark: 17:13 - 06:12. Astro Dark: 17:50 - 05:36

Total Clouds (% Sky Obscured)

100
100
95
90
100
51
93
97
100
98
100
100
100
100
100
100
100
100
100
100
100
98
100
98

Low Clouds (% Sky Obscured)

31
59
0
3
0
0
7
62
61
52
39
46
45
46
61
67
80
91
81
90
92
95
91
91

Medium Clouds (% Sky Obscured)

26
59
60
48
27
35
84
94
100
95
100
100
100
100
100
100
100
100
100
100
100
64
100
97

High Clouds (% Sky Obscured)

100
100
91
88
100
51
93
93
91
89
100
100
100
100
100
100
92
100
100
100
80
53
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
5
5
4
2
2
3
3
4
2
2
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
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
59
95
95
95
95
95
95
95
95
95
95
95
95
95
91
79
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.7
0.6
0.6
1.1
1.4
1.1
1.6
1.8
2
2.2
1.3
1.7
1.3
0.5
0.4
0.7

Wind Speed/Direction (mph)

5
4
4
5
6
7
9
8
8
10
10
11
11
13
12
18
16
14
11
10
14
14
14
14

Chance of Frost

Temperature (°C)

-2
-1
0
0
1
1
3
4
4
5
6
6
7
8
8
9
9
9
7
5
4
3
3
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
81
77
80
81
84
85
88
93
93
93
94
96
93
88
85
88
87
94
100
98
98
96
98

Pressure (mb)

1013
1012
1011
1010
1009
1008
1007
1005
1004
1002
1000
999
996
994
992
990
988
986
987
987
987
988
988
988

Ozone (du)

309
313
312
313
313
313
311
311
311
312
312
316
318
322
325
327
329
330
333
336
340
346
351
361

Friday 19

New Moon 1%

08:24

16:08

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 Good
08 Good
09 Good
10 Good
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:26, Set: 16:00, Transit: 11:43. Moon - Rise: 08:24, Set: 16:08. Civil Dark: 16:35 - 06:51. Nautical Dark: 17:14 - 06:13. Astro Dark: 17:51 - 05:36

Total Clouds (% Sky Obscured)

99
98
99
98
96
100
100
100
96
90
83
53
3
2
3
3
27
74
85
83
100
100
100
100

Low Clouds (% Sky Obscured)

93
91
91
88
84
98
100
100
90
76
65
26
1
1
1
1
15
25
28
22
10
21
41
85

Medium Clouds (% Sky Obscured)

94
96
95
93
88
87
76
28
1
25
1
0
0
0
0
0
2
50
58
71
86
97
100
100

High Clouds (% Sky Obscured)

0
0
0
0
9
37
0
0
0
0
0
0
0
0
0
0
2
1
16
27
75
83
92
100

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
1
6
5
1
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

Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

80
77
88
95
95
71
52
34
11
27
6
1
0
0
0
0
0
0
0
0
0
2
3
4

Precipitation Amount (mm)

0.4
0.4
0.6
1.1
1.2
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
15
15
17
16
17
16
16
16
16
15
13
13
11
10
9
9
8
7
7
5
4
4

Chance of Frost

Temperature (°C)

1
1
1
0
-2
-4
-7
-8
-9
-9
-9
-9
-9
-10
-9
-9
-8
-8
-8
-7
-8
-8
-8
-7

Feels Like (°C)

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

Dew Point (°C)

1
1
0
-1
-3
-5
-9
-11
-12
-13
-11
-13
-14
-15
-14
-14
-13
-13
-13
-12
-12
-11
-10
-10

Relative Humidity (%)

98
98
96
96
94
96
83
82
74
74
80
72
68
66
68
68
67
65
66
67
72
79
82
80

Pressure (mb)

989
989
989
990
992
995
998
1001
1004
1006
1009
1011
1013
1016
1017
1018
1018
1018
1017
1017
1018
1018
1017
1016

Ozone (du)

373
379
387
400
407
410
415
421
419
417
428
407
394
386
381
381
378
372
365
363
359
357
355
353

Saturday 20

Waxing Crescent 3%

09:06

17:13

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:27, Set: 16:01, Transit: 11:44. Moon - Rise: 09:06, Set: 17:13. Civil Dark: 16:36 - 06:52. Nautical Dark: 17:14 - 06:13. Astro Dark: 17:51 - 05:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
99
98
97
97
96
96
96
99
100
97
99
99
96
94
92

Low Clouds (% Sky Obscured)

77
61
45
45
40
40
53
69
90
93
94
96
95
94
93
94
98
100
96
98
97
95
94
92

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
99
97
96
77
19
0
0
0
0
25
50
70
58
85
81
68
47
20

High Clouds (% Sky Obscured)

100
100
100
100
100
100
69
37
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

9
6
1
1
1
0
2
0
0
0
0
0
0
0
9
2
1
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
Snow
Snow
Snow
None
Snow
Snow
Snow
None
None

Precipitation Probability (%)

5
35
57
64
71
60
46
62
65
70
67
70
72
54
53
57
63
52
37
37
40
37
28
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
5
5
6
6
7
8
7
7
8
9
10
12
13
14
15
16
15
15
14
14
14
13

Chance of Frost

Temperature (°C)

-7
-7
-6
-6
-5
-5
-4
-4
-4
-3
-3
-2
-2
-1
0
0
0
-1
-2
-3
-4
-5
-6
-6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
80
84
89
89
92
90
92
94
92
92
92
92
94
87
86
81
91
67
65
68
72
74
79

Pressure (mb)

1015
1013
1012
1010
1008
1007
1006
1005
1005
1004
1003
1003
1002
1002
1002
1002
1002
1002
1002
1004
1005
1007
1008
1010

Ozone (du)

349
354
348
352
352
353
356
358
362
366
369
368
367
368
372
381
386
390
403
406
395
387
383
377

Sunday 21

Waxing Crescent 7%

09:39

18:23

19 Bad
20 Bad
21 OK
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
16 Bad
17 Bad
18 OK

Sun - Rise: 07:27, Set: 16:02, Transit: 11:44. Moon - Rise: 09:39, Set: 18:23. Civil Dark: 16:37 - 06:52. Nautical Dark: 17:15 - 06:14. Astro Dark: 17:52 - 05:37

Total Clouds (% Sky Obscured)

92
46
29
62
61
71
86
86
87
80
78
72
68
66
59
68
77
87
90
93
97
76
58
38

Low Clouds (% Sky Obscured)

90
40
15
56
57
66
83
84
84
77
77
72
68
64
54
66
77
86
83
79
75
58
42
23

Medium Clouds (% Sky Obscured)

29
3
3
2
3
18
69
75
59
4
4
5
4
3
2
8
13
15
18
20
26
22
18
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)

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
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 (%)

15
9
3
8
8
7
9
10
5
6
4
3
6
6
2
8
10
6
8
7
4
5
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-13
-13
-13
-14
-14
-15
-15
-16
-16
-17
-17
-17
-17
-17
-16
-17
-17
-17
-16
-16
-16
-16
-16

Dew Point (°C)

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

Relative Humidity (%)

79
80
80
80
82
82
80
80
78
78
78
78
78
78
78
78
77
77
75
75
75
75
75
75

Pressure (mb)

1011
1012
1013
1014
1015
1016
1017
1019
1020
1021
1022
1023
1024
1025
1026
1027
1027
1027
1027
1027
1027
1027
1028
1028

Ozone (du)

375
374
375
375
372
373
374
378
378
381
388
380
378
381
384
386
385
384
383
383
383
383
385
388

Monday 22

Waxing Crescent 13%

10:05

No Set

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

Sun - Rise: 07:28, Set: 16:02, Transit: 11:45. Moon - Rise: 10:05, Set: No Set. Civil Dark: 16:37 - 06:53. Nautical Dark: 17:16 - 06:14. Astro Dark: 17:52 - 05:37

Total Clouds (% Sky Obscured)

52
58
78
83
89
91
90
85
70
64
46
41
35
29
36
45
50
54
68
77
90
94
96
100

Low Clouds (% Sky Obscured)

23
16
14
14
14
19
35
38
45
48
40
35
21
18
10
8
5
2
1
1
1
1
1
1

Medium Clouds (% Sky Obscured)

28
36
52
59
67
70
62
46
44
28
13
6
7
10
13
26
37
45
48
53
56
71
86
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
6
13
17
21
24
38
52
69
79
90
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
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
21
27
31
36
39
39
37
36
30
22
9
8
5
2
2
0
0
0
0
0
0
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
6
5
5
4
4
4
5
5
5
5
5
5
6
6
6
6
6
5
4
3
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-17
-17
-16
-16
-16
-17
-18
-18
-17
-17
-16
-16
-17
-16
-16
-16
-16
-15
-13
-13
-12
-13
-13

Dew Point (°C)

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

Relative Humidity (%)

75
75
76
76
78
76
78
77
79
81
81
81
83
79
78
75
75
72
72
77
78
83
85
85

Pressure (mb)

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

Ozone (du)

390
388
387
385
387
389
391
384
378
371
370
369
369
367
365
363
365
367
369
369
370
371
373
375

Tuesday 23

Waxing Crescent 21%

10:27

19:35

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: 07:28, Set: 16:03, Transit: 11:45. Moon - Rise: 10:27, Set: 19:35. Civil Dark: 16:38 - 06:53. Nautical Dark: 17:16 - 06:15. Astro Dark: 17:53 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
98
98
98

Low Clouds (% Sky Obscured)

26
53
81
86
88
89
94
94
96
94
93
91
91
90
90
90
89
89

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
92
85
81
80
82
88

High Clouds (% Sky Obscured)

100
100
90
30
15
15
5
0
0
4
20
14
9
5
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
8
5
3
0
0
0
0
0
1
1
1
1

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None

Precipitation Probability (%)

1
2
1
3
4
4
35
50
62
64
65
64
60
56
52
46
39
31

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
85
83
81
83
83
85
87
92
90
92
92
90
88
85
85
87

Pressure (mb)

1024
1023
1022
1021
1020
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1017
1017

Ozone (du)

378
381
384
387
385
384
383
385
388
390
388
386
384
384
383
382
385
389

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

Generated: 17/12/25 19:44:56. Forecast: 17/12/25 to 23/12/25. Timezone: UTC-5.00