Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 4%

08:41

18:47

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

Sun - Rise: 07:29, Set: 16:42, Transit: 12:06. Moon - Rise: 08:41, Set: 18:47. Civil Dark: 17:15 - 06:56. Nautical Dark: 17:52 - 06:19. Astro Dark: 18:28 - 05:43

Total Clouds (% Sky Obscured)

80
81
78
84
100
25
23
78
90
83
82
89
74
96
100
92
93
89
77
87
74
74
92
94

Low Clouds (% Sky Obscured)

71
72
74
68
55
3
4
71
88
83
82
89
74
51
82
83
90
89
77
87
74
74
72
78

Medium Clouds (% Sky Obscured)

2
3
37
69
100
25
23
23
6
2
3
2
2
50
51
65
54
45
45
41
5
30
77
84

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
24
26
23
3
21
3
4
3
65
60

ISS Passover

Visibility (miles)

4
5
4
5
9
9
9
9
1
0
1
2
2
1
1
1
1
1
0
0
5
4
4
4

Fog (%)

1
1
0
1
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
2
1
2
0
0
2
19
13
10
12
10
3
16
11
18
20
25
11
10
6
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)

13
11
10
10
10
10
11
11
11
10
10
11
11
10
9
8
7
8
8
8
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-27
-28
-29
-28
-28
-28
-27
-26
-26
-26
-26
-27
-27
-26
-26
-26
-25
-26
-26
-26
-25
-25
-25
-25

Dew Point (°C)

-24
-25
-26
-26
-26
-26
-25
-25
-24
-23
-24
-24
-24
-24
-24
-24
-23
-23
-22
-23
-22
-22
-22
-22

Relative Humidity (%)

71
70
71
70
66
63
62
65
71
75
71
69
70
72
74
75
76
77
82
80
80
79
79
80

Pressure (mb)

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

Ozone (du)

494
492
494
502
511
521
528
525
516
514
515
514
483
475
482
485
477
472
465
458
453
456
455
450

Wednesday 21

Waxing Crescent 9%

09:00

20:00

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
04 Bad
05 Bad

Sun - Rise: 07:29, Set: 16:43, Transit: 12:06. Moon - Rise: 09:00, Set: 20:00. Civil Dark: 17:16 - 06:55. Nautical Dark: 17:53 - 06:19. Astro Dark: 18:29 - 05:42

Total Clouds (% Sky Obscured)

84
83
99
100
94
89
98
100
100
97
99
100
100
100
100
100
100
100
100
99
97
96
94
99

Low Clouds (% Sky Obscured)

77
77
67
88
76
77
74
82
85
86
90
93
93
93
95
94
93
94
94
91
91
87
82
93

Medium Clouds (% Sky Obscured)

70
71
99
85
45
54
78
100
81
89
97
100
100
100
100
100
100
100
100
67
82
47
49
94

High Clouds (% Sky Obscured)

55
65
9
16
4
37
15
3
65
61
76
77
55
65
0
0
0
0
0
0
4
14
90
0

ISS Passover

Visibility (miles)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0

Fog (%)

0
0
0
2
15
13
3
4
2
1
1
5
8
8
6
5
4
3
5
11
13
13
10
10

Precipitation Type

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

Precipitation Probability (%)

13
21
26
28
29
28
28
35
43
44
47
59
61
63
69
77
81
80
77
65
52
42
38
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-24
-25
-25
-25
-25
-22
-21
-21
-19
-19
-19
-18
-18
-18
-18
-17
-17
-17
-16
-16
-15
-15
-15
-15

Dew Point (°C)

-22
-22
-22
-22
-21
-19
-18
-17
-15
-15
-15
-14
-14
-15
-14
-14
-14
-14
-13
-12
-12
-12
-12
-12

Relative Humidity (%)

82
84
83
84
84
83
82
82
88
86
88
88
88
88
88
88
88
88
90
90
90
90
92
92

Pressure (mb)

1024
1024
1025
1025
1024
1024
1023
1022
1021
1020
1019
1019
1019
1018
1017
1016
1014
1013
1013
1012
1011
1010
1010
1009

Ozone (du)

447
448
443
440
438
436
432
426
427
424
424
433
430
431
438
437
442
452
456
454
451
449
450
451

Thursday 22

Waxing Crescent 16%

09:18

21:13

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

Sun - Rise: 07:28, Set: 16:45, Transit: 12:06. Moon - Rise: 09:18, Set: 21:13. Civil Dark: 17:18 - 06:55. Nautical Dark: 17:54 - 06:18. Astro Dark: 18:30 - 05:41

Total Clouds (% Sky Obscured)

100
100
99
96
96
100
100
65
32
35
31
34
20
73
23
96
88
93
83
83
83
81
61
35

Low Clouds (% Sky Obscured)

94
100
98
93
79
77
74
65
32
35
31
34
20
38
23
77
67
54
54
63
80
81
61
35

Medium Clouds (% Sky Obscured)

100
96
89
84
78
80
80
65
32
35
24
34
14
10
17
32
27
44
18
13
7
0
1
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)

0
0
0
0
1
1
1
4
9
9
9
9
9
9
9
9
0
1
3
0
2
1
5
9

Fog (%)

12
12
7
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
None
Snow
Snow
None
None
None
None
None
None
None
None
None
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

78
89
65
39
35
54
60
34
19
4
1
0
1
2
4
11
35
16
22
23
11
18
10
6

Precipitation Amount (mm)

0.4
0.7
0.3
0.1
0
0.2
0.4
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
3
5
10
11
11
13
13
11
10
8
5
5
4
4
3
6
8
8
8
6
8
9

Chance of Frost

Temperature (°C)

-11
-11
-11
-10
-9
-8
-7
-8
-8
-9
-9
-11
-12
-14
-14
-15
-16
-15
-14
-16
-15
-16
-17
-17

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-12
-11
-10
-10
-10
-10
-12
-12
-13
-14
-15
-16
-16
-17
-18
-17
-17
-17
-17
-18
-20
-22

Relative Humidity (%)

92
92
92
92
87
83
83
82
72
74
74
76
83
83
84
81
84
88
81
86
84
86
77
68

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1009
1010
1011
1011
1012
1013
1013
1014
1014
1013
1013
1013
1013
1013
1013
1014

Ozone (du)

455
459
468
466
458
463
460
455
449
448
446
442
438
437
438
435
430
432
432
433
432
432
427
402

Friday 23

Waxing Crescent 25%

09:34

22:28

06 OK
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
04 Bad
05 Bad

Sun - Rise: 07:27, Set: 16:46, Transit: 12:06. Moon - Rise: 09:34, Set: 22:28. Civil Dark: 17:19 - 06:54. Nautical Dark: 17:56 - 06:17. Astro Dark: 18:31 - 05:41

Total Clouds (% Sky Obscured)

4
14
30
34
53
77
100
99
99
98
98
98
97
97
97
97
96
95
84
48
39
37
36
31

Low Clouds (% Sky Obscured)

4
14
30
34
53
77
93
95
97
98
98
98
97
97
97
97
96
95
84
46
39
37
36
31

Medium Clouds (% Sky Obscured)

0
5
10
14
32
44
55
37
19
1
2
2
2
0
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
5
6
7
6
3
1
1
1
2
2
1
1
1
2
2
3
5
7
7
7
6
7

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 (%)

1
2
2
2
5
7
21
26
31
7
7
10
18
8
7
4
5
4
3
2
1
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
10
10
10
10
11
11
10
10
11
11
11
11
11
11
12
12
12
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

-18
-19
-20
-20
-19
-19
-19
-18
-19
-19
-21
-22
-23
-24
-25
-26
-26
-27
-28
-29
-29
-30
-30
-30

Feels Like (°C)

-24
-24
-25
-26
-25
-25
-25
-25
-25
-26
-27
-28
-30
-31
-31
-32
-34
-34
-35
-36
-35
-36
-36
-36

Dew Point (°C)

-22
-22
-23
-23
-22
-23
-23
-23
-23
-22
-24
-26
-27
-27
-29
-30
-31
-31
-32
-33
-34
-34
-34
-34

Relative Humidity (%)

69
73
76
77
77
72
66
68
69
76
69
69
68
69
67
66
65
66
65
64
63
64
64
64

Pressure (mb)

1014
1015
1015
1016
1016
1016
1016
1016
1016
1017
1018
1019
1021
1022
1023
1024
1024
1025
1026
1027
1028
1028
1029
1030

Ozone (du)

400
401
395
383
385
407
426
439
453
458
453
448
450
455
455
452
446
446
444
441
436
430
424
419

Saturday 24

Waxing Crescent 36%

09:52

23:44

06 Bad
07 Bad
08 OK
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 OK

Sun - Rise: 07:26, Set: 16:47, Transit: 12:07. Moon - Rise: 09:52, Set: 23:44. Civil Dark: 17:20 - 06:53. Nautical Dark: 17:57 - 06:16. Astro Dark: 18:33 - 05:40

Total Clouds (% Sky Obscured)

29
20
20
25
62
83
93
96
97
98
97
98
97
96
98
97
92
88
79
74
68
62
39
24

Low Clouds (% Sky Obscured)

28
19
14
14
45
66
83
87
90
94
92
87
86
88
84
77
57
34
14
11
8
6
8
7

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
12
21
30
40
46
39
24

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

7
7
8
7
6
7
8
6
5
3
4
4
4
4
3
3
3
5
7
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
1
1
2
1
1
0
1
1
1
3
3
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
10
10
10
11
11
11
11
10
9
8
8
7
6
6
5
5
5
5
5
4
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-36
-36
-36
-35
-34
-33
-32
-31
-31
-31
-31
-31
-32
-32
-31
-31
-31
-32
-32
-32
-34
-34
-34
-35

Dew Point (°C)

-35
-35
-35
-34
-33
-31
-30
-29
-29
-28
-29
-29
-30
-30
-31
-32
-32
-32
-33
-33
-33
-33
-33
-33

Relative Humidity (%)

64
64
65
65
64
63
63
64
64
67
68
69
69
70
71
71
73
72
72
72
71
72
72
71

Pressure (mb)

1031
1032
1033
1033
1034
1034
1033
1033
1033
1033
1034
1034
1034
1034
1035
1035
1035
1035
1035
1035
1035
1035
1035
1034

Ozone (du)

414
409
410
411
410
406
400
399
397
386
378
375
376
370
363
355
348
347
346
345
348
351
355
358

Sunday 25

First Quarter 47%

10:11

01:04

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

Sun - Rise: 07:25, Set: 16:49, Transit: 12:07. Moon - Rise: 10:11, Set: 01:04. Civil Dark: 17:22 - 06:52. Nautical Dark: 17:58 - 06:15. Astro Dark: 18:34 - 05:39

Total Clouds (% Sky Obscured)

15
10
5
0
0
0
0
0
0
0
15
25
65
71
83
92
97
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
45
60
55
55
50
30
10
0
0

Medium Clouds (% Sky Obscured)

15
10
5
0
0
0
0
0
0
0
15
25
46
38
22
5
3
2
0
0
0
0
1
2

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
7
5
3
2
1
0
1
1
2
2
2
2
2
2
3
2
2
2
2

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
6
11
14
14
11
5
9
8
1
3
2
1
2
4
1
2
3

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)

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

Chance of Frost

Temperature (°C)

-30
-30
-29
-27
-25
-23
-21
-20
-20
-20
-19
-21
-22
-24
-25
-26
-27
-27
-27
-27
-28
-28
-28
-28

Feels Like (°C)

-35
-36
-34
-34
-34
-32
-31
-30
-24
-24
-24
-22
-21
-19
-29
-29
-29
-29
-30
-30
-32
-31
-31
-32

Dew Point (°C)

-33
-33
-32
-31
-29
-26
-25
-24
-23
-22
-21
-23
-25
-27
-28
-29
-29
-30
-30
-30
-31
-30
-30
-30

Relative Humidity (%)

71
71
70
69
68
69
71
71
76
80
83
79
77
76
75
74
74
74
74
74
74
74
74
74

Pressure (mb)

1034
1034
1033
1032
1032
1031
1030
1029
1029
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

361
365
368
371
374
374
373
372
375
379
383
384
386
388
390
393
396
394
392
390
385
380
375
379

Monday 26

Waxing Gibbous 59%

10:36

02:26

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: 07:24, Set: 16:50, Transit: 12:07. Moon - Rise: 10:36, Set: 02:26. Civil Dark: 17:23 - 06:51. Nautical Dark: 18:00 - 06:14. Astro Dark: 18:35 - 05:38

Total Clouds (% Sky Obscured)

95
82
75
67
66
66
58
65
77
85
82
85
93
93
97
97
98
99
100

Low Clouds (% Sky Obscured)

0
0
0
21
27
30
25
39
52
60
60
65
67
67
63
62
60
62
60

Medium Clouds (% Sky Obscured)

1
1
1
2
5
5
6
9
16
20
20
20
20
25
30
45
75
81
80

High Clouds (% Sky Obscured)

0
1
1
2
18
35
37
32
21
25
15
10
5
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
1
0
0
0
0
0
1
2
2
13
18
21
30
37
42
38
33
26

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
5
7
8
9
9
10
9
9
10
10
11
12
11
11
10
11
11

Chance of Frost

Temperature (°C)

-27
-27
-23
-20
-17
-16
-15
-14
-15
-16
-16
-17
-17
-17
-17
-17
-17
-17
-16

Feels Like (°C)

-32
-32
-30
-29
-28
-27
-26
-24
-19
-20
-21
-22
-23
-24
-24
-23
-24
-24
-24

Dew Point (°C)

-30
-30
-27
-23
-20
-20
-19
-18
-18
-18
-18
-19
-19
-19
-19
-19
-19
-19
-18

Relative Humidity (%)

74
75
73
74
73
72
72
71
75
78
82
82
83
83
84
87
87
86
84

Pressure (mb)

1029
1029
1029
1028
1028
1027
1026
1025
1025
1024
1023
1023
1022
1021
1020
1019
1019
1018
1017

Ozone (du)

384
388
385
382
379
381
383
385
386
386
387
386
385
385
387
389
391
396
400

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

Generated: 20/01/26 05:54:43. Forecast: 20/01/26 to 26/01/26. Timezone: UTC-5.00