Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waxing Crescent 52%

11:41

23:35

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

Sun - Rise: 07:42, Set: 16:34, Transit: 12:08. Moon - Rise: 11:41, Set: 23:35. Civil Dark: 17:08 - 07:09. Nautical Dark: 17:44 - 06:32. Astro Dark: 18:20 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
98
93
92
92
91
90
87
82
44
27
20
9
14
13
13
45
25
2
25
38
45

Low Clouds (% Sky Obscured)

87
86
83
79
76
76
82
81
78
72
69
23
4
0
0
0
0
0
25
0
0
3
3
3

Medium Clouds (% Sky Obscured)

100
100
96
83
66
61
48
40
35
32
21
23
16
10
0
0
0
0
0
0
0
0
17
30

High Clouds (% Sky Obscured)

100
100
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
20
45

ISS Passover

Visibility (miles)

0
0
0
0
2
2
3
3
2
3
3
4
4
5
7
9
9
9
9
9
9
6
5
5

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

Precipitation Probability (%)

71
3
0
48
31
20
9
7
3
5
2
0
2
0
0
1
0
0
0
0
0
0
1
0

Precipitation Amount (mm)

0.6
0
0
0.1
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
13
12
13
13
12
10
9
9
9
8
9
8
8
8
8
7
7
6
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-19
-18
-19
-18
-19
-19
-19
-18
-18
-18
-18
-19
-19
-18
-16
-15
-13
-12
-11
-11
-11
-13
-14
-15

Dew Point (°C)

-14
-14
-14
-13
-14
-14
-14
-14
-15
-15
-15
-15
-16
-15
-13
-12
-11
-10
-9
-9
-10
-12
-12
-13

Relative Humidity (%)

90
90
90
86
85
86
88
88
88
88
86
86
86
86
86
85
85
83
83
87
88
90
90
90

Pressure (mb)

1014
1014
1015
1015
1015
1016
1017
1017
1018
1019
1020
1021
1022
1023
1024
1024
1024
1023
1024
1024
1025
1026
1026
1026

Ozone (du)

322
328
336
341
347
348
349
350
352
353
351
346
346
346
346
347
347
348
347
344
342
341
339
337

Saturday 27

First Quarter 63%

12:02

00:48

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 Bad
19 Bad

Sun - Rise: 07:42, Set: 16:35, Transit: 12:09. Moon - Rise: 12:02, Set: 00:48. Civil Dark: 17:08 - 07:09. Nautical Dark: 17:45 - 06:32. Astro Dark: 18:20 - 05:57

Total Clouds (% Sky Obscured)

40
26
40
45
35
35
35
47
57
86
86
95
65
69
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
2
4
4
4
3
3
2
0
0
0
0
0
0
5
7
7
0
2
8
10
10
5
22

Medium Clouds (% Sky Obscured)

40
7
4
0
0
0
2
16
37
38
28
28
38
20
35
40
57
95
100
100
100
100
100
100

High Clouds (% Sky Obscured)

40
10
40
45
35
35
35
47
57
79
86
92
65
69
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

5
4
3
5
5
6
6
6
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
1
2
12
12
10
1
1
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
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
17
66

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-12
-12
-13
-13
-13
-13
-13
-13
-13
-12
-12
-12
-12
-10
-8
-7
-5
-4
-4
-3
-4
-4
-4
-4

Feels Like (°C)

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

Dew Point (°C)

-13
-13
-15
-15
-15
-14
-14
-14
-14
-14
-14
-14
-13
-11
-9
-8
-7
-6
-5
-5
-5
-5
-5
-5

Relative Humidity (%)

90
90
90
90
88
90
90
86
86
86
86
86
88
88
88
89
90
90
89
91
92
91
89
91

Pressure (mb)

1027
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1023
1022
1022
1020
1018
1016
1015
1014
1014
1012
1011
1010

Ozone (du)

334
332
331
330
330
332
331
330
329
327
327
327
328
330
331
333
333
332
331
328
329
329
328
327

Sunday 28

Waxing Gibbous 74%

12:26

02:05

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
19 Bad

Sun - Rise: 07:42, Set: 16:36, Transit: 12:09. Moon - Rise: 12:26, Set: 02:05. Civil Dark: 17:09 - 07:09. Nautical Dark: 17:46 - 06:32. Astro Dark: 18:21 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
95
100
99
100
97
93
92
94
97
100
99

Low Clouds (% Sky Obscured)

20
88
100
92
93
100
100
100
100
98
90
89
94
91
100
97
100
93
86
79
81
82
83
84

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
93
99
94
99
100
100
97
84
100
53
46
44
46
82
88
94
97
96

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
30
25
28
0
0
0
0
0
0
1
31

ISS Passover

Visibility (miles)

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

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

Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
None
None
None
Snow
None
None
None
Snow

Precipitation Probability (%)

95
95
85
74
81
57
26
27
57
95
95
95
95
95
95
95
32
19
29
39
33
31
32
41

Precipitation Amount (mm)

0.7
0.7
0.5
0.3
0.5
0.3
0
0
0
0.6
0.8
1.4
2.3
1.8
2.7
0.5
0
0
0
0.1
0
0
0
0.1

Wind Speed/Direction (mph)

7
7
8
8
9
9
7
7
7
6
7
8
8
8
6
9
19
21
22
21
21
21
22
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-7
-8
-7
-7
-6
-5
-4
-3
-3
-3
-3
-3
-1
1
-1
-3
-5
-6
-8
-8
-9
-10
-11

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
94
94
92
96
96
98
98
100
100
98
100
100
100
100
94
86
83
86
84
80
74

Pressure (mb)

1008
1007
1005
1003
1001
999
998
997
995
993
992
990
988
986
985
985
984
984
985
985
985
986
986
986

Ozone (du)

326
325
325
325
325
323
323
321
319
319
320
323
324
327
337
354
359
365
376
390
399
401
405
414

Monday 29

Waxing Gibbous 71%

12:55

03:25

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 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:42, Set: 16:37, Transit: 12:10. Moon - Rise: 12:55, Set: 03:25. Civil Dark: 17:10 - 07:09. Nautical Dark: 17:47 - 06:33. Astro Dark: 18:22 - 05:57

Total Clouds (% Sky Obscured)

97
96
95
94
93
95
96
97
97
97
98
99
99
100
88
72
53
48
41
40
66
84
98
99

Low Clouds (% Sky Obscured)

85
85
79
74
67
68
69
70
70
70
69
68
68
66
54
49
37
32
23
15
15
15
10
31

Medium Clouds (% Sky Obscured)

91
87
84
82
75
78
81
86
88
89
89
93
91
87
63
34
2
5
41
40
66
83
97
98

High Clouds (% Sky Obscured)

2
5
18
9
0
0
0
0
0
3
20
1
1
0
0
0
0
0
1
10
31
61
57
52

ISS Passover

Visibility (miles)

1
5
9
9
2
0
0
1
9
1
0
1
9
9
9
9
9
9
9
8
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

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

Precipitation Probability (%)

51
38
24
37
54
48
33
14
22
31
35
10
5
1
4
14
1
0
1
5
2
2
1
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-3
-4
-5
-6
-6
-7
-8
-9
-9
-10
-10
-10
-10
-11
-11
-11
-10
-10
-10
-9
-9
-9
-9
-9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
81
74
71
79
89
87
82
75
80
85
80
72
72
72
73
72
74
74
74
74
74
74
75

Pressure (mb)

987
987
988
988
988
989
991
992
993
994
996
997
998
999
1000
1000
1000
1000
1001
1002
1002
1003
1004
1004

Ozone (du)

421
415
409
405
403
405
403
397
392
400
397
400
401
402
405
409
412
416
428
438
433
429
425
427

Tuesday 30

Waxing Gibbous 84%

13:34

04:49

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
19 Bad

Sun - Rise: 07:42, Set: 16:38, Transit: 12:10. Moon - Rise: 13:34, Set: 04:49. Civil Dark: 17:11 - 07:09. Nautical Dark: 17:47 - 06:33. Astro Dark: 18:23 - 05:58

Total Clouds (% Sky Obscured)

99
100
100
70
99
99
98
98
94
89
83
87
90
91
90
89
90
93
95
98
80
62
45
50

Low Clouds (% Sky Obscured)

47
73
77
70
84
87
85
83
77
73
68
73
77
82
70
58
46
31
15
0
0
0
0
0

Medium Clouds (% Sky Obscured)

99
100
40
54
96
97
97
97
94
89
32
36
39
42
33
31
25
46
66
86
66
41
14
22

High Clouds (% Sky Obscured)

54
40
55
6
69
58
15
4
3
0
0
9
19
30
23
15
4
12
20
29
28
29
30
37

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
Snow
Snow
None
Snow
Snow
None
None
Snow
Snow
Snow
None
None
None
None
None
None

Precipitation Probability (%)

3
4
17
23
28
33
35
35
41
40
34
58
48
16
36
46
53
43
30
13
19
19
15
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
11
10
9
8
7
8
8
9
9
9
9
8
7
6
7
8
9
10
11
13
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-17
-17
-16
-17
-16
-16
-15
-15
-14
-14
-14
-13
-13
-13
-12
-12
-13
-13
-9
-9
-9
-10
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

75
74
72
72
71
69
67
67
71
74
75
77
77
79
80
80
81
81
79
78
75
76
77
79

Pressure (mb)

1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1003
1004
1004
1005
1005
1005
1004
1004
1004
1005
1005
1006
1006
1007

Ozone (du)

429
427
423
414
400
391
380
368
367
370
369
363
361
359
358
353
348
342
339
337
334
336
339
341

Wednesday 31

Waxing Gibbous 92%

14:27

06:10

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
19 Bad

Sun - Rise: 07:43, Set: 16:39, Transit: 12:11. Moon - Rise: 14:27, Set: 06:10. Civil Dark: 17:12 - 07:10. Nautical Dark: 17:48 - 06:33. Astro Dark: 18:23 - 05:58

Total Clouds (% Sky Obscured)

50
55
73
87
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
93
81

Low Clouds (% Sky Obscured)

0
0
14
27
44
39
39
49
55
68
84
81
76
68
56
60
69
77
87
98
94
92
90
81

Medium Clouds (% Sky Obscured)

28
33
58
80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
92
79

High Clouds (% Sky Obscured)

40
48
34
30
25
20
20
20
20
5
15
32
43
41
18
19
20
13
5
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
6
3
0
0
0
0
0
0
0
0
0
0
3
6
8
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
15
35
42
47
52
55
57
61
64
65
61
55
48
44
38
31
31
28
14
25
27
21
27

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
10
10
8
6
5
5
6
6
6
5
5
7
9
11
12
12
13
12
11
10
10
10
10

Chance of Frost

Temperature (°C)

-5
-5
-6
-6
-6
-7
-7
-8
-8
-9
-9
-9
-9
-9
-9
-8
-8
-8
-8
-8
-8
-9
-10
-11

Feels Like (°C)

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

Dew Point (°C)

-8
-9
-9
-8
-8
-7
-8
-9
-9
-10
-10
-10
-10
-11
-10
-10
-11
-11
-11
-12
-12
-13
-14
-15

Relative Humidity (%)

79
77
77
82
87
94
92
92
92
90
92
90
88
87
88
85
82
80
77
75
75
74
73
73

Pressure (mb)

1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1006
1006
1007
1007
1008

Ozone (du)

342
342
342
341
339
337
336
335
334
337
339
342
344
347
350
361
372
383
398
412
426
435
445
454

Thursday 1

Waxing Gibbous 98%

15:34

07:21

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: 07:42, Set: 16:40, Transit: 12:11. Moon - Rise: 15:34, Set: 07:21. Civil Dark: 17:13 - 07:10. Nautical Dark: 17:49 - 06:33. Astro Dark: 18:24 - 05:58

Total Clouds (% Sky Obscured)

69
58
72
86
100
99
98
98
98
98
98
97
95
91
88
88
86

Low Clouds (% Sky Obscured)

69
58
72
83
81
83
86
90
89
88
86
84
81
80
76
75
72

Medium Clouds (% Sky Obscured)

61
45
64
80
97
95
92
89
88
87
86
71
58
32
30
36
41

High Clouds (% Sky Obscured)

0
0
1
1
4
11
17
18
28
37
47
31
16
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
4
1
4
6
9
9
9

Fog (%)

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

Precipitation Probability (%)

28
29
27
24
23
25
25
18
23
22
12
23
28
31
27
22
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-15
-15
-15
-15
-15
-15
-15
-15
-16
-16
-16
-16
-17
-19
-20
-20
-20

Relative Humidity (%)

75
76
76
78
79
79
78
76
75
76
79
81
74
69
65
63
63

Pressure (mb)

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

Ozone (du)

449
444
438
419
401
382
376
371
366
365
364
363
358
353
348
353
358

Forecast for Yarker, Lennox and Addington County, Canada (44.37,-76.77)

Generated: 26/12/25 20:36:46. Forecast: 26/12/25 to 01/01/26. Timezone: UTC-5.00