Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 21

Waxing Crescent 16%

09:15

19:58

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
16 Bad
17 Bad

Sun - Rise: 07:24, Set: 16:44, Transit: 12:04. Moon - Rise: 09:15, Set: 19:58. Civil Dark: 17:16 - 06:51. Nautical Dark: 17:53 - 06:15. Astro Dark: 18:27 - 05:39

Total Clouds (% Sky Obscured)

85
88
91
100
100
100
100
100
100
96
97
100
100
100
96
83
64
91
67
69
73
98
76
63

Low Clouds (% Sky Obscured)

85
88
91
93
92
95
96
94
95
90
81
81
98
89
86
61
64
67
66
59
35
74
22
15

Medium Clouds (% Sky Obscured)

85
88
91
100
100
100
100
100
100
89
91
100
100
100
94
35
1
40
0
30
38
49
34
23

High Clouds (% Sky Obscured)

9
17
91
91
77
3
3
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
0
8
0
1
0
3
9
9
9
9
9
9
3
1
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
Snow
None
None
None
None
None
Snow
None
None

Precipitation Probability (%)

44
61
58
76
76
87
94
95
90
67
58
61
68
71
40
31
14
9
7
14
30
41
26
12

Precipitation Amount (mm)

0.3
0.6
0.5
0.5
0.4
0.6
0.7
0.8
0.6
0.2
0.1
0.2
0.2
0.2
0
0.1
0
0
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

7
5
5
8
9
10
9
9
9
10
12
13
13
13
14
17
20
18
17
16
15
14
15
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-13
-12
-12
-13
-13
-12
-11
-11
-11
-11
-10
-9
-10
-10
-10
-10
-10
-9
-9
-8
-8
-9
-10

Dew Point (°C)

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

Relative Humidity (%)

87
92
94
92
92
92
94
94
92
94
86
91
92
94
86
79
81
81
83
81
81
79
91
75

Pressure (mb)

1020
1019
1018
1016
1015
1013
1012
1011
1010
1008
1007
1007
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1009
1010

Ozone (du)

400
396
399
420
418
418
418
415
409
419
432
433
438
449
442
455
461
458
456
453
450
448
444
444

Thursday 22

Waxing Crescent 25%

09:32

21:11

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

Sun - Rise: 07:23, Set: 16:45, Transit: 12:04. Moon - Rise: 09:32, Set: 21:11. Civil Dark: 17:18 - 06:50. Nautical Dark: 17:54 - 06:14. Astro Dark: 18:28 - 05:38

Total Clouds (% Sky Obscured)

89
90
87
89
95
99
94
95
95
83
32
76
100
100
100
100
100
100
100
81
95
85
100
55

Low Clouds (% Sky Obscured)

80
86
81
81
90
97
89
92
87
70
3
20
65
84
100
100
100
100
63
35
46
78
100
28

Medium Clouds (% Sky Obscured)

40
39
38
34
36
42
42
53
89
68
32
50
83
85
86
99
86
81
87
60
84
15
20
20

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
1
0
4
8
9
9
0
4
0
3
9
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

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

Precipitation Probability (%)

13
9
11
27
16
33
34
20
8
9
2
2
14
3
14
1
4
6
19
18
17
15
4
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-6
-7
-7
-8
-8
-9
-9
-10
-10
-11
-11
-12
-13
-13
-14
-14
-13
-12
-12
-12
-12
-13
-14
-16

Feels Like (°C)

-11
-12
-13
-13
-14
-14
-14
-15
-17
-17
-17
-16
-18
-19
-19
-19
-19
-18
-18
-19
-19
-20
-21
-23

Dew Point (°C)

-8
-9
-9
-10
-10
-10
-11
-11
-12
-13
-14
-15
-15
-15
-16
-15
-15
-16
-16
-16
-17
-18
-19
-21

Relative Humidity (%)

82
87
87
85
88
88
90
90
85
83
83
83
86
86
88
88
86
75
69
67
64
64
68
64

Pressure (mb)

1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1017
1018
1019
1021

Ozone (du)

452
454
451
446
444
436
431
431
427
422
421
416
406
396
395
402
405
408
426
452
468
463
458
455

Friday 23

Waxing Crescent 36%

09:50

22:25

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

Sun - Rise: 07:22, Set: 16:47, Transit: 12:04. Moon - Rise: 09:50, Set: 22:25. Civil Dark: 17:19 - 06:49. Nautical Dark: 17:55 - 06:13. Astro Dark: 18:30 - 05:38

Total Clouds (% Sky Obscured)

45
35
12
5
4
9
17
9
7
3
3
3
3
3
3
0
2
2
11
42
54
62
56
28

Low Clouds (% Sky Obscured)

20
10
10
2
1
6
15
6
6
2
3
2
2
2
3
0
2
2
9
38
54
58
52
22

Medium Clouds (% Sky Obscured)

15
13
2
1
1
4
12
2
2
2
2
2
2
3
0
0
0
0
0
0
0
0
0
0

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 (%)

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)

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

Chance of Frost

Temperature (°C)

-17
-19
-20
-21
-22
-22
-23
-23
-24
-24
-25
-25
-26
-26
-27
-26
-24
-23
-22
-22
-21
-20
-20
-21

Feels Like (°C)

-24
-26
-27
-26
-27
-27
-28
-29
-29
-29
-30
-30
-30
-31
-31
-30
-29
-28
-27
-26
-27
-26
-26
-27

Dew Point (°C)

-22
-24
-26
-27
-27
-28
-28
-29
-29
-29
-30
-30
-30
-31
-31
-30
-30
-29
-28
-27
-27
-26
-25
-25

Relative Humidity (%)

64
63
59
55
57
57
56
57
58
58
60
60
63
63
65
63
57
57
56
57
55
59
62
65

Pressure (mb)

1022
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1037
1038
1038
1038
1037
1037
1037
1037
1037

Ozone (du)

452
452
449
452
450
448
442
439
433
426
417
408
396
386
385
384
385
377
366
358
356
353
350
352

Saturday 24

Waxing Crescent 47%

10:10

23:41

18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
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

Sun - Rise: 07:21, Set: 16:48, Transit: 12:04. Moon - Rise: 10:10, Set: 23:41. Civil Dark: 17:20 - 06:49. Nautical Dark: 17:57 - 06:12. Astro Dark: 18:31 - 05:37

Total Clouds (% Sky Obscured)

5
4
4
4
4
3
3
15
26
37
39
77
84
86
92
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
3
3
2
2
3
3
2
4
3
4
4
4
4
4
5
5
7
85
80
75
60
61
52

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
27
67
83
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
15
26
37
39
62
64
74
87
100
100
100
100
100
100
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
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
0
0
0
0
0
0
0
0
0
0
0
0
0
5
7

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

Chance of Frost

Temperature (°C)

-22
-23
-24
-25
-25
-26
-27
-27
-28
-28
-29
-29
-29
-28
-27
-26
-24
-23
-22
-21
-20
-20
-20
-20

Feels Like (°C)

-27
-27
-27
-28
-28
-29
-29
-29
-30
-31
-31
-31
-33
-32
-31
-29
-28
-27
-26
-25
-24
-24
-24
-24

Dew Point (°C)

-26
-27
-28
-28
-28
-29
-30
-30
-31
-31
-32
-32
-32
-32
-30
-29
-28
-27
-26
-25
-24
-24
-23
-23

Relative Humidity (%)

66
67
70
71
72
71
71
72
72
71
71
71
72
71
71
70
69
67
67
66
66
69
71
75

Pressure (mb)

1038
1039
1039
1039
1039
1039
1040
1040
1040
1040
1040
1040
1040
1040
1039
1039
1039
1037
1036
1034
1033
1033
1032
1031

Ozone (du)

348
343
335
330
331
332
333
332
330
335
333
339
338
340
340
336
338
344
351
350
347
345
341
339

Sunday 25

First Quarter 45%

10:35

01:00

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
16 Bad
17 Bad

Sun - Rise: 07:20, Set: 16:49, Transit: 12:05. Moon - Rise: 10:35, Set: 01:00. Civil Dark: 17:22 - 06:48. Nautical Dark: 17:58 - 06:11. Astro Dark: 18:32 - 05:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
99
100
100
100
100
100
99
99
99
99
99
96
88
81
74
66

Low Clouds (% Sky Obscured)

69
77
81
87
90
84
83
84
95
95
87
96
94
94
97
97
98
97
96
96
88
81
74
66

Medium Clouds (% Sky Obscured)

100
99
96
91
95
91
97
97
97
96
97
99
100
97
93
88
83
83
83
73
61
55
50
50

High Clouds (% Sky Obscured)

100
87
73
65
48
38
25
25
30
30
30
30
35
40
40
35
17
8
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
Snow
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
23
32
40
45
51
57
58
56
49
48
44
42
64
51
34
32
26
19
17
13
5
6
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-24
-24
-25
-25
-26
-26
-26
-26
-25
-25
-25
-25
-26
-26
-26
-25
-25
-25
-25
-25
-21
-21
-20
-20

Dew Point (°C)

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

Relative Humidity (%)

76
76
76
74
74
73
72
71
74
73
73
72
72
72
70
69
68
68
67
67
70
72
75
75

Pressure (mb)

1030
1029
1028
1027
1026
1025
1024
1023
1022
1021
1021
1020
1020
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1019

Ozone (du)

337
334
330
330
328
328
327
324
317
315
312
311
307
310
313
316
319
326
333
340
351
361
371
377

Monday 26

Waxing Gibbous 59%

11:07

02:22

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

Sun - Rise: 07:19, Set: 16:51, Transit: 12:05. Moon - Rise: 11:07, Set: 02:22. Civil Dark: 17:23 - 06:47. Nautical Dark: 17:59 - 06:10. Astro Dark: 18:33 - 05:35

Total Clouds (% Sky Obscured)

59
49
36
27
28
20
10
28
47
70
54
37
18
22
35
50
65
95
100
100
100
100
95
89

Low Clouds (% Sky Obscured)

59
49
36
27
21
10
4
17
30
43
29
18
5
15
22
28
28
31
30
25
30
25
5
4

Medium Clouds (% Sky Obscured)

50
33
19
12
6
3
0
19
37
44
33
30
18
22
35
50
65
95
100
80
59
39
26
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
3
4
18
26
37
19
10
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
3
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

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

Precipitation Probability (%)

4
7
6
0
1
1
0
0
0
0
0
0
0
1
3
4
22
31
38
38
36
32
29
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-16
-17
-18
-19
-20
-21
-22
-22
-22
-22
-23
-23
-23
-24
-22
-20
-18
-16
-15
-13
-13
-12
-12
-14

Feels Like (°C)

-20
-20
-22
-22
-21
-22
-22
-22
-25
-25
-26
-26
-26
-26
-28
-27
-27
-26
-26
-25
-18
-18
-18
-18

Dew Point (°C)

-19
-20
-21
-22
-23
-24
-24
-25
-25
-25
-25
-26
-26
-26
-25
-23
-21
-19
-17
-15
-15
-14
-14
-16

Relative Humidity (%)

77
77
78
78
76
77
77
77
77
76
77
76
77
76
76
79
79
80
82
84
86
86
88
86

Pressure (mb)

1019
1020
1020
1020
1021
1021
1021
1021
1022
1022
1022
1022
1022
1023
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021

Ozone (du)

383
389
393
396
400
397
395
393
397
400
404
404
403
403
402
402
402
402
403
404
399
394
389
386

Tuesday 27

Waxing Gibbous 70%

11:50

03:43

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

Sun - Rise: 07:18, Set: 16:52, Transit: 12:05. Moon - Rise: 11:50, Set: 03:43. Civil Dark: 17:24 - 06:46. Nautical Dark: N/A - 06:10. Astro Dark: 18:34 - 05:34

Total Clouds (% Sky Obscured)

84
86
79
76
59
46
31
26
18
10
30
56
70
68
70
67
60
51
42

Low Clouds (% Sky Obscured)

4
17
17
13
14
11
8
4
2
2
6
11
18
21
23
30
21
13
4

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
15
31
46
42
42
43
43
38
32

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

2
2
2
2
2
5
7
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
17
14
6
9
9
7
6
4
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

Wind Speed/Direction (mph)

6
5
6
6
7
7
7
7
6
6
6
5
5
5
5
5
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-17
-19
-18
-17
-16
-16
-16
-16
-17
-19
-21
-21
-22
-22
-21
-19
-18
-17
-17

Relative Humidity (%)

86
87
87
90
90
86
84
81
80
80
79
79
79
80
78
75
74
73
71

Pressure (mb)

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

Ozone (du)

383
380
380
380
380
387
394
401
400
400
399
400
401
401
404
407
410
412
415

Forecast for Sorel-Tracy, Montérégie, Canada (46.04,-73.11)

Generated: 21/01/26 18:12:23. Forecast: 21/01/26 to 27/01/26. Timezone: UTC-5.00