Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 24

Waxing Crescent 36%

10:12

23:39

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

Sun - Rise: 07:18, Set: 16:49, Transit: 12:04. Moon - Rise: 10:12, Set: 23:39. Civil Dark: 17:21 - 06:47. Nautical Dark: 17:57 - 06:11. Astro Dark: 18:32 - 05:36

Total Clouds (% Sky Obscured)

10
8
7
6
26
12
4
8
7
8
8
21
27
46
55
98
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

6
4
4
4
7
3
0
1
1
1
1
6
9
8
13
16
11
10
2
1
1
0
0
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
24
78
100
100
100
100
100
100
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
3
2
2
2
1
16
36
48
95
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
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)

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

Chance of Frost

Temperature (°C)

-22
-21
-21
-21
-19
-19
-20
-21
-21
-21
-21
-21
-21
-21
-21
-21
-20
-20
-20
-20
-19
-19
-18
-17

Feels Like (°C)

-27
-27
-26
-26
-25
-25
-24
-24
-24
-23
-24
-24
-24
-24
-25
-25
-25
-25
-24
-24
-23
-23
-22
-22

Dew Point (°C)

-28
-28
-28
-28
-26
-25
-25
-25
-25
-25
-25
-25
-25
-25
-24
-24
-24
-24
-24
-23
-23
-23
-23
-22

Relative Humidity (%)

52
51
51
51
56
60
63
66
68
70
71
70
70
70
70
69
68
69
71
71
70
69
67
66

Pressure (mb)

1040
1039
1039
1039
1039
1039
1039
1040
1040
1041
1040
1041
1040
1040
1040
1040
1040
1040
1039
1039
1039
1038
1038
1037

Ozone (du)

324
326
325
323
320
317
313
313
311
310
308
297
295
299
297
295
296
294
296
298
295
293
294
295

Sunday 25

First Quarter 47%

10:38

00:57

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:17, Set: 16:51, Transit: 12:05. Moon - Rise: 10:38, Set: 00:57. Civil Dark: 17:23 - 06:46. Nautical Dark: 17:58 - 06:10. Astro Dark: 18:33 - 05:35

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

1
0
0
26
74
94
94
97
98
100
100
100
96
98
95
92
88
94
92
92
89
89
89
89

Medium Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
93
100
95
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
90
56
58
99
99
48
77
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
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
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
1
5
17
40
66
78
89
95
95
95
95
95
95
90
78
62
73
70
68
64
68
64

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.4
0.5
0.8
0.9
1
0.8
0.6
0.6
0.6
0.5
0.3
0.4
0.4
0.4
0.3
0.3
0.3

Wind Speed/Direction (mph)

4
4
4
5
5
6
6
6
6
6
7
7
5
5
5
6
6
6
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

-16
-16
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-14
-14
-14
-15
-15
-15
-15
-16
-15
-14

Feels Like (°C)

-21
-20
-20
-19
-19
-19
-20
-20
-20
-19
-20
-19
-20
-19
-19
-19
-19
-20
-19
-20
-20
-20
-19
-19

Dew Point (°C)

-21
-21
-21
-21
-20
-19
-19
-17
-17
-17
-16
-16
-16
-16
-16
-16
-16
-16
-16
-17
-17
-17
-16
-16

Relative Humidity (%)

65
64
62
62
62
66
74
84
86
86
88
88
88
88
88
88
88
88
88
88
88
88
88
86

Pressure (mb)

1036
1035
1033
1032
1031
1029
1029
1027
1026
1024
1023
1022
1021
1020
1018
1017
1015
1014
1013
1013
1012
1012
1012
1011

Ozone (du)

296
297
296
292
291
289
290
289
286
279
275
275
278
284
291
296
301
301
305
307
307
305
308
314

Monday 26

Waxing Gibbous 59%

No Rise

02:18

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 OK
05 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:16, Set: 16:52, Transit: 12:05. Moon - Rise: No Rise, Set: 02:18. Civil Dark: 17:24 - 06:45. Nautical Dark: 17:59 - 06:09. Astro Dark: 18:34 - 05:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
96
94
83
79
63
14
26
45
53
70
89
89

Low Clouds (% Sky Obscured)

88
89
88
88
88
88
89
89
89
88
92
89
85
86
64
57
2
1
1
0
0
0
0
28

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
87
65
60
3
63
3
14
35
36
39
52
57

High Clouds (% Sky Obscured)

100
100
100
76
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
0
0
0
0
0
0
0
1
1
9
9
9
9
9
9
9
9
9
9
3

Fog (%)

0
0
0
0
0
0
0
0
0
1
2
2
1
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 (%)

65
67
70
69
70
64
63
60
55
52
44
34
28
10
6
4
2
1
0
0
0
0
0
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
86
86
88
88
88
88
88
88
84
83
81
79
79
79
81
78
78
78
77
77
77
77

Pressure (mb)

1011
1009
1008
1008
1008
1008
1008
1009
1010
1010
1010
1010
1010
1010
1011
1012
1013
1014
1015
1015
1016
1016
1016
1016

Ozone (du)

318
321
323
329
332
338
349
363
375
386
392
392
392
396
399
397
404
412
421
426
431
433
431
425

Tuesday 27

Waxing Gibbous 70%

11:11

03:38

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:15, Set: 16:54, Transit: 12:05. Moon - Rise: 11:11, Set: 03:38. Civil Dark: 17:25 - 06:44. Nautical Dark: 18:01 - 06:08. Astro Dark: 18:35 - 05:34

Total Clouds (% Sky Obscured)

96
100
100
100
100
99
98
96
97
97
98
98
97
98
98
98
99
94
89
78
63
52
25
25

Low Clouds (% Sky Obscured)

57
79
80
86
88
89
91
93
93
92
93
95
97
98
98
98
99
92
89
78
63
52
21
25

Medium Clouds (% Sky Obscured)

62
62
90
100
100
60
55
53
51
45
35
26
13
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)

4
3
2
1
2
2
2
3
0
0
0
0
0
0
1
2
2
2
1
1
1
2
4
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
Snow
None
None
None
None
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
20
27
35
32
28
25
21
40
46
38
41
33
26
18
16
21
14
11
5
8
6
2
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
78
83
83
85
86
88
88
88
88
88
88
88
86
86
85
84
85
81
80
79
83
80

Pressure (mb)

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

Ozone (du)

426
417
416
420
427
430
430
430
430
427
423
416
408
407
407
407
409
413
422
437
452
468
473
475

Wednesday 28

Waxing Gibbous 81%

11:55

04:52

11 OK
12 OK
13 Bad
14 Bad
15 OK
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

Sun - Rise: 07:14, Set: 16:55, Transit: 12:05. Moon - Rise: 11:55, Set: 04:52. Civil Dark: 17:27 - 06:43. Nautical Dark: 18:02 - 06:07. Astro Dark: 18:37 - 05:33

Total Clouds (% Sky Obscured)

29
34
54
60
44
52
58
54
55
69
60
85
100
100
86
91
96
97
98
97
97
99
100
100

Low Clouds (% Sky Obscured)

26
29
35
40
44
29
15
0
22
44
60
49
37
36
48
49
37
41
46
61
71
78
83
81

Medium Clouds (% Sky Obscured)

0
0
0
0
0
17
30
50
51
50
50
63
73
92
47
58
65
62
58
50
67
82
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
1
4
21
70
75
20
35
45
45
60
75
80
80
75
25

ISS Passover

Visibility (miles)

7
7
8
9
9
9
9
9
9
8
8
6
6
4
4
5
6
7
7
6
6
6
6
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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
1
0
0
0
4
2
1
2
1
0
3
3
2
2
2
1
2
2
1
6
8
9
13

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)

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

Chance of Frost

Temperature (°C)

-15
-13
-12
-12
-12
-13
-15
-17
-18
-19
-19
-20
-21
-21
-20
-20
-20
-20
-20
-20
-20
-19
-18
-16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
74
73
73
75
81
81
81
81
82
81
81
78
78
81
81
82
82
82
82
81
81
81
81

Pressure (mb)

1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

476
483
482
479
476
474
473
472
471
468
461
457
453
449
446
443
441
438
440
441
443
444
445
446

Thursday 29

Waxing Gibbous 89%

12:53

05:54

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:13, Set: 16:56, Transit: 12:05. Moon - Rise: 12:53, Set: 05:54. Civil Dark: 17:28 - 06:42. Nautical Dark: 18:03 - 06:06. Astro Dark: 18:38 - 05:32

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

78
75
77
79
89
93
95
94
94
94
89
84
82
82
82
82
82
84
86
88
86
85
84
86

Medium Clouds (% Sky Obscured)

100
100
98
95
94
92
89
89
83
77
72
79
88
95
96
97
96
89
80
73
79
85
91
93

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
2

ISS Passover

Visibility (miles)

7
8
9
7
4
1
1
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
None
None
None
None
None
None
None
None
None
None
None
Snow
None
None
None
None
Snow
Snow
None

Precipitation Probability (%)

15
15
18
18
16
26
30
28
29
32
29
29
31
30
31
35
37
33
33
32
34
38
39
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-22
-22
-22
-18
-18
-19
-18
-18
-18
-18
-18
-18
-18
-18
-18
-18
-18
-17
-17
-17
-17
-18
-17
-18

Dew Point (°C)

-18
-17
-17
-17
-17
-17
-16
-16
-16
-16
-16
-16
-16
-16
-16
-16
-15
-15
-15
-15
-16
-15
-15
-14

Relative Humidity (%)

80
81
79
79
81
81
83
84
88
88
88
88
88
86
88
86
86
88
88
88
86
86
86
86

Pressure (mb)

1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017

Ozone (du)

453
461
469
467
465
464
464
464
464
466
468
469
472
474
477
472
466
461
463
464
466
467
468
470

Friday 30

Waxing Gibbous 96%

14:05

06:41

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: 07:12, Set: 16:58, Transit: 12:05. Moon - Rise: 14:05, Set: 06:41. Civil Dark: 17:29 - 06:41. Nautical Dark: 18:04 - 06:05. Astro Dark: 18:39 - 05:31

Total Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
99
98
96
93
90
87
82
77
72
73
74
75

Low Clouds (% Sky Obscured)

87
90
96
99
100
100
100
100
98
97
95
93
89
84
73
63
53
48
52
51

Medium Clouds (% Sky Obscured)

95
97
100
100
100
100
100
100
98
96
96
92
89
85
82
77
72
73
74
75

High Clouds (% Sky Obscured)

1
1
1
1
0
22
42
45
50
18
15
15
15
87
82
77
72
73
74
75

ISS Passover

Visibility (miles)

1
1
1
2
2
2
1
1
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

Precipitation Type

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

Precipitation Probability (%)

30
26
24
23
20
26
28
25
33
38
38
40
42
39
36
35
35
34
35
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-12
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
80
76
78
80
81
83
83
85
86
85
86
88
88
88
88
88
88
90
90

Pressure (mb)

1017
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018

Ozone (du)

470
470
470
470
470
470
470
470
470
469
468
467
466
466
466
465
465
465
463
461

Forecast for Venise-en-Québec, Montérégie, Canada (45.08,-73.14)

Generated: 24/01/26 11:46:35. Forecast: 24/01/26 to 30/01/26. Timezone: UTC-5.00