Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 23

Waxing Crescent 25%

09:32

22:24

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

Sun - Rise: 07:20, Set: 16:47, Transit: 12:04. Moon - Rise: 09:32, Set: 22:24. Civil Dark: 17:19 - 06:48. Nautical Dark: 17:55 - 06:13. Astro Dark: 18:30 - 05:38

Total Clouds (% Sky Obscured)

38
62
49
100
94
95
92
97
94
100
87
95
96
100
98
86
61
61
5
2
72
83
63
14

Low Clouds (% Sky Obscured)

33
13
38
76
75
85
83
90
80
75
72
78
78
89
83
73
10
10
1
1
70
78
56
12

Medium Clouds (% Sky Obscured)

38
47
49
70
45
8
49
19
35
75
47
43
40
65
47
5
21
24
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
7
7
0
0
7
8
9
9
9
9
9
9
9
9
6
0
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
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
19
18
23
18
21
20
24
11
12
15
11
13
35
18
2
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
8
5
6
6
8
13
13
12
13
12
13
13
12
12
12
11
11
11
12
12
12
11

Chance of Frost

Temperature (°C)

-10
-12
-12
-12
-12
-12
-11
-10
-11
-11
-12
-12
-12
-13
-14
-14
-15
-16
-18
-19
-20
-21
-22
-23

Feels Like (°C)

-17
-16
-16
-17
-16
-17
-17
-16
-17
-18
-18
-18
-19
-19
-20
-21
-22
-23
-25
-24
-26
-28
-29
-29

Dew Point (°C)

-14
-14
-14
-14
-14
-14
-15
-15
-16
-16
-16
-16
-16
-17
-19
-19
-18
-21
-22
-24
-25
-25
-26
-27

Relative Humidity (%)

75
83
90
90
83
80
73
69
63
66
67
70
72
70
66
67
81
66
66
64
65
63
64
64

Pressure (mb)

1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1019
1020
1020
1022
1023
1024
1026
1027
1028
1029
1030
1032

Ozone (du)

441
442
447
450
446
424
410
406
396
389
389
402
420
434
433
450
462
459
454
448
442
442
437
432

Saturday 24

Waxing Crescent 36%

09:51

23:39

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

Sun - Rise: 07:19, Set: 16:49, Transit: 12:04. Moon - Rise: 09:51, Set: 23:39. Civil Dark: 17:21 - 06:48. Nautical Dark: 17:57 - 06:12. Astro Dark: 18:31 - 05:37

Total Clouds (% Sky Obscured)

6
4
5
5
5
5
3
28
37
44
55
50
50
4
4
6
6
9
6
7
7
5
6
7

Low Clouds (% Sky Obscured)

2
1
1
3
2
3
2
16
14
18
20
15
10
1
1
2
1
1
1
1
1
1
0
1

Medium 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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
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
1
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)

11
10
9
9
9
8
9
11
11
12
12
11
11
9
7
6
5
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

-23
-24
-25
-25
-25
-25
-25
-24
-23
-22
-22
-21
-21
-22
-23
-23
-24
-24
-24
-25
-25
-26
-26
-26

Feels Like (°C)

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

Dew Point (°C)

-28
-29
-29
-29
-30
-30
-29
-29
-28
-28
-27
-27
-26
-26
-27
-27
-27
-27
-28
-28
-28
-29
-29
-29

Relative Humidity (%)

64
63
64
64
64
64
64
61
60
59
59
58
60
64
66
68
69
71
73
72
72
73
73
73

Pressure (mb)

1033
1034
1035
1035
1036
1037
1038
1039
1039
1039
1038
1038
1038
1038
1039
1039
1040
1040
1040
1040
1040
1040
1040
1040

Ozone (du)

420
398
393
385
363
352
342
330
335
332
330
328
326
328
328
327
328
329
322
310
308
307
310
311

Sunday 25

First Quarter 47%

10:12

00:57

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

Sun - Rise: 07:19, Set: 16:50, Transit: 12:04. Moon - Rise: 10:12, Set: 00:57. Civil Dark: 17:22 - 06:47. Nautical Dark: 17:58 - 06:11. Astro Dark: 18:33 - 05:36

Total Clouds (% Sky Obscured)

8
76
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
8
11
12
11
12
1
9
14
13
6
0
1
10
79
91
98
99
100
100
96
99
98
98

Medium Clouds (% Sky Obscured)

0
14
21
79
62
94
80
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
14
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
83
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
1
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
11
37
56
76
89
95
95
95
82
90

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.7
0.9
0.7
0.5
0.6

Wind Speed/Direction (mph)

3
3
3
3
2
2
2
2
2
2
3
5
6
6
7
7
7
7
7
7
7
7
7
8

Chance of Frost

Temperature (°C)

-26
-26
-26
-26
-26
-25
-23
-21
-19
-18
-18
-17
-17
-17
-17
-17
-17
-17
-16
-16
-16
-16
-16
-16

Feels Like (°C)

-28
-28
-29
-30
-30
-29
-27
-25
-23
-22
-22
-21
-21
-22
-22
-22
-22
-22
-21
-21
-22
-21
-21
-21

Dew Point (°C)

-29
-29
-29
-29
-29
-28
-27
-25
-23
-22
-22
-21
-21
-20
-20
-20
-19
-19
-19
-18
-18
-18
-17
-17

Relative Humidity (%)

73
73
73
74
74
74
72
70
72
70
68
69
68
71
77
77
80
79
81
84
85
85
86
86

Pressure (mb)

1040
1040
1040
1040
1040
1040
1039
1039
1038
1036
1035
1034
1033
1032
1031
1030
1029
1027
1026
1024
1024
1022
1020
1019

Ozone (du)

317
317
320
316
312
303
304
303
302
299
300
301
299
293
290
289
290
290
288
287
286
285
286
289

Monday 26

Waxing Gibbous 59%

10:37

02:18

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:18, Set: 16:52, Transit: 12:05. Moon - Rise: 10:37, Set: 02:18. Civil Dark: 17:23 - 06:46. Nautical Dark: 17:59 - 06:10. Astro Dark: 18:34 - 05:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
97
85
84

Low Clouds (% Sky Obscured)

98
97
97
96
97
99
100
98
97
95
96
97
98
98
99
98
99
99
99
99
97
96
79
81

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
77
41
45
48
47
47
46

High Clouds (% Sky Obscured)

61
51
45
30
15
5
5
5
5
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
0
0
0
0
0
0
0
0
0
1
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

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 (%)

91
84
72
72
70
69
70
67
68
67
62
61
55
53
48
48
50
49
48
40
37
31
29
29

Precipitation Amount (mm)

0.6
0.5
0.3
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.2
0.2
0.1
0.1
0.2
0.2
0.2
0.1
0.1
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-21
-21
-21
-21
-20
-20
-19
-19
-18
-17
-17
-17
-18
-18
-18
-18
-18
-18
-19
-18
-19
-20
-21
-23

Dew Point (°C)

-17
-17
-17
-17
-17
-16
-16
-16
-15
-15
-15
-15
-15
-15
-15
-15
-16
-16
-16
-15
-15
-17
-19
-21

Relative Humidity (%)

86
86
84
84
84
86
86
84
84
84
84
84
83
86
86
88
86
88
86
88
86
84
83
82

Pressure (mb)

1017
1016
1015
1014
1013
1012
1011
1011
1010
1009
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1011
1012

Ozone (du)

292
298
303
312
320
320
320
323
326
329
332
343
357
371
386
392
396
398
396
398
397
406
405
405

Tuesday 27

Waxing Gibbous 70%

11:10

No Set

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:16, Set: 16:53, Transit: 12:05. Moon - Rise: 11:10, Set: No Set. Civil Dark: 17:25 - 06:45. Nautical Dark: 18:00 - 06:09. Astro Dark: 18:35 - 05:35

Total Clouds (% Sky Obscured)

99
99
97
98
95
91
69
52
92
94
96
97
99
99
100
100
100
100
100
100
99
98
93
88

Low Clouds (% Sky Obscured)

99
98
94
93
86
73
62
43
24
10
41
70
90
93
95
96
97
98
98
98
97
96
93
88

Medium Clouds (% Sky Obscured)

42
35
22
9
6
25
23
22
71
79
81
87
89
91
92
95
90
84
79
73
71
82
86
85

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
30
30
30
35
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
3
2
2
1
3
9
9
9
9
9
6
1
0
0
4
0
1
2
4
2
1
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
Snow
Snow
Snow
None
None
None
None
None
None

Precipitation Probability (%)

29
25
25
17
13
13
3
3
2
5
14
19
31
33
34
40
51
43
36
33
28
21
30
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-21
-22
-23
-23
-22
-21
-18
-16
-14
-13
-13
-12
-11
-11
-11
-11
-11
-12
-12
-12
-13
-14
-15
-15

Feels Like (°C)

-24
-26
-27
-28
-27
-26
-23
-21
-19
-19
-18
-17
-16
-16
-17
-17
-17
-17
-16
-16
-16
-17
-17
-20

Dew Point (°C)

-23
-24
-25
-26
-25
-23
-21
-19
-17
-16
-16
-15
-13
-13
-13
-13
-13
-13
-13
-13
-14
-15
-16
-17

Relative Humidity (%)

79
78
78
77
77
77
80
78
77
76
76
76
83
86
88
85
88
88
88
88
90
88
90
88

Pressure (mb)

1012
1013
1014
1015
1015
1016
1016
1016
1016
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1012
1013
1013
1013

Ozone (du)

410
419
424
422
423
421
412
401
402
400
402
400
404
412
413
415
415
412
410
407
406
404
402
407

Wednesday 28

Waxing Gibbous 81%

11:54

03:39

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

Sun - Rise: 07:15, Set: 16:54, Transit: 12:05. Moon - Rise: 11:54, Set: 03:39. Civil Dark: 17:26 - 06:44. Nautical Dark: 18:02 - 06:08. Astro Dark: 18:36 - 05:34

Total Clouds (% Sky Obscured)

86
83
83
81
70
60
54
50
40
15
7
10
17
40
68
89
80
89
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

86
83
79
73
47
21
0
0
0
0
3
5
8
13
11
6
9
12
15
26
52
79
80
82

Medium Clouds (% Sky Obscured)

85
70
52
40
25
13
1
1
0
0
0
0
0
15
33
50
40
35
30
23
26
30
50
73

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
9
15
10
5
1
1
1
1
19
34

ISS Passover

Visibility (miles)

0
0
0
0
1
0
0
0
1
1
2
4
6
9
6
4
2
2
2
2
1
1
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

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

Precipitation Probability (%)

38
35
32
27
25
22
18
17
16
12
12
11
6
10
10
9
19
21
13
19
19
16
20
23

Precipitation Amount (mm)

0.1
0.1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
90
89
88
86
84
83
81
84
86
88
86
86
85
86
86
86
85
85
84
84

Pressure (mb)

1013
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015

Ozone (du)

413
418
437
455
474
473
472
471
473
475
477
471
465
459
455
451
447
446
446
445
451
456
462
463

Thursday 29

Waxing Gibbous 89%

12:52

04:53

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:14, Set: 16:56, Transit: 12:05. Moon - Rise: 12:52, Set: 04:53. Civil Dark: 17:27 - 06:43. Nautical Dark: 18:03 - 06:07. Astro Dark: 18:37 - 05:33

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
96
95
96
98
100
100
100
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

83
84
85
88
88
87
87
84
83
81
81
79
75
81
84
88
93
96
100
100
100
100

Medium Clouds (% Sky Obscured)

96
97
97
98
88
80
73
72
66
60
65
72
79
82
85
87
85
83
82
78
77
87

High Clouds (% Sky Obscured)

47
34
22
9
30
56
71
48
16
3
3
3
2
1
1
1
1
1
3
9
14
21

ISS Passover

Visibility (miles)

0
0
1
2
2
2
1
1
4
6
9
6
3
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

Precipitation Type

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

Precipitation Probability (%)

25
25
24
24
23
23
22
19
18
16
18
18
16
21
24
23
26
27
24
26
29
28

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-21
-21
-21
-21
-21
-20
-19
-18
-18
-18
-18
-17
-17
-16
-17
-17
-17
-17
-18
-18
-18
-18

Relative Humidity (%)

84
84
84
83
83
82
80
81
78
76
73
76
79
83
82
82
82
83
83
84
84
84

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1018
1018
1018
1019
1019
1020

Ozone (du)

464
465
469
472
476
477
479
481
477
474
471
471
472
472
471
469
468
468
469
470
472
474

Forecast for Domaine-Joyeux, Montérégie, Canada (45.22,-73.09)

Generated: 23/01/26 03:15:18. Forecast: 23/01/26 to 29/01/26. Timezone: UTC-5.00