Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waxing Crescent 38%

11:53

23:47

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 OK
08 OK
09 OK
10 Good
11 Good
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:52, Set: 16:47, Transit: 12:19. Moon - Rise: 11:53, Set: 23:47. Civil Dark: 17:20 - 07:19. Nautical Dark: 17:56 - 06:43. Astro Dark: 18:31 - 06:08

Total Clouds (% Sky Obscured)

100
99
98
99
90
91
97
99
99
91
74
53
53
29
20
13
8
9
38
70
79
97
95
90

Low Clouds (% Sky Obscured)

86
98
90
92
88
91
97
99
98
87
74
53
53
29
20
13
7
9
38
61
71
96
95
90

Medium Clouds (% Sky Obscured)

62
76
52
50
10
0
0
0
10
21
0
0
0
0
0
0
0
0
0
0
0
0
0
3

High Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
2
26

ISS Passover

Visibility (miles)

0
0
0
1
3
3
3
3
3
3
3
6
8
9
9
9
9
9
9
9
9
9
6
4

Fog (%)

2
2
0
1
2
2
5
2
1
1
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 (%)

6
0
0
12
10
7
10
7
8
5
4
2
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
8
6
7
7
7
5
5
4
4
4
4
4
4
3
3
3
3
2
2
3
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-12
-13
-14
-16
-16
-16
-17
-17
-17
-17
-17
-16
-17
-17
-16
-14
-11
-10
-9
-9
-10
-11
-12

Dew Point (°C)

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

Relative Humidity (%)

92
92
90
90
90
88
88
88
88
88
88
86
86
84
86
86
86
85
83
83
85
87
92
92

Pressure (mb)

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

Ozone (du)

321
321
331
330
332
330
332
332
334
337
334
329
327
326
325
327
328
330
328
326
324
323
321
319

Saturday 27

First Quarter 52%

12:14

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: 07:52, Set: 16:47, Transit: 12:20. Moon - Rise: 12:14, Set: 01:00. Civil Dark: 17:20 - 07:20. Nautical Dark: 17:57 - 06:43. Astro Dark: 18:31 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
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)

97
95
95
99
99
99
98
90
86
90
96
76
90
90
86
84
80
74
89
85
67
87
96
97

Medium Clouds (% Sky Obscured)

5
8
52
47
12
42
71
22
72
60
34
28
60
63
74
88
77
94
100
100
100
100
100
100

High Clouds (% Sky Obscured)

42
45
50
61
79
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

3
4
5
3
3
3
4
4
3
4
4
4
3
1
1
4
4
5
9
9
9
9
6
6

Fog (%)

0
0
0
0
0
2
6
13
20
23
20
17
17
15
9
8
27
49
52
56
29
6
8
9

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Frozen rai
Frozen rai
Frozen rai

Precipitation Probability (%)

1
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
1
10
48
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1.4
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-10
-10
-9
-9
-9
-9
-8
-8
-8
-7
-7
-6
-5
-5
-5
-4
-3
-2
-2
-1
-1
-1
-1
-1

Feels Like (°C)

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

Dew Point (°C)

-11
-11
-11
-10
-10
-10
-9
-9
-9
-8
-7
-7
-6
-5
-5
-4
-4
-3
-2
-2
-2
-2
-2
-2

Relative Humidity (%)

92
92
90
90
92
92
94
94
94
94
96
96
96
96
98
98
96
94
94
94
94
94
94
96

Pressure (mb)

1026
1025
1025
1025
1025
1024
1024
1023
1023
1023
1022
1021
1021
1020
1019
1019
1018
1017
1015
1013
1012
1011
1010
1008

Ozone (du)

318
318
318
317
315
315
315
314
315
316
317
317
318
318
320
323
322
322
322
322
322
322
321
323

Sunday 28

Waxing Gibbous 64%

12:38

02:16

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: 07:53, Set: 16:48, Transit: 12:20. Moon - Rise: 12:38, Set: 02:16. Civil Dark: 17:21 - 07:20. Nautical Dark: 17:58 - 06:43. Astro Dark: 18:32 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
97
97
97
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

97
92
94
99
100
94
97
90
93
88
98
100
100
100
96
97
97
97
99
98
96
95
95
96

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
62
37
82
65
72
29
52
99
54
57
88
75

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
30
30
4
3
0
0
1
1
3
42
64

ISS Passover

Visibility (miles)

8
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
9
9
9
8
1
3

Fog (%)

7
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
None
None
None
Light Rain
Frozen rai
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
None
None
None
None
None
None
Snow
None

Precipitation Probability (%)

95
95
95
75
51
65
53
95
95
95
95
95
95
95
95
95
45
11
10
14
21
33
42
37

Precipitation Amount (mm)

0.2
0.3
0.9
0.3
0
0
0
0.9
0.7
1.8
0.7
0.6
1.2
2.8
2.1
1
0
0
0
0
0
0
0.1
0

Wind Speed/Direction (mph)

10
11
10
11
9
7
7
6
7
10
11
10
11
10
10
15
17
17
17
17
17
17
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-5
-7
-5
-5
-5
-5
-5
-5
-3
-3
-2
-2
-2
-2
-5
-6
-9
-10
-11
-11
-12
-12

Dew Point (°C)

-2
-1
-1
-1
-1
-1
-1
-1
0
1
2
2
2
3
3
3
1
-1
-4
-4
-5
-5
-5
-7

Relative Humidity (%)

96
96
96
96
98
96
98
96
98
98
100
98
100
100
100
100
96
86
78
83
81
81
86
81

Pressure (mb)

1007
1006
1004
1002
1001
999
997
996
995
993
990
989
987
986
984
985
986
986
986
986
986
987
987
988

Ozone (du)

322
321
322
322
322
323
322
323
322
321
322
324
328
333
343
355
366
380
386
394
403
413
414
419

Monday 29

Waxing Gibbous 74%

13:08

03:36

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: 07:53, Set: 16:49, Transit: 12:21. Moon - Rise: 13:08, Set: 03:36. Civil Dark: 17:22 - 07:20. Nautical Dark: 17:58 - 06:43. Astro Dark: 18:33 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
90
82
78
80
88
95
82
69
57
53
49
52
65
85
100
97
94

Low Clouds (% Sky Obscured)

97
98
99
100
100
100
96
59
56
50
63
74
80
60
43
30
31
36
36
57
79
100
91
80

Medium Clouds (% Sky Obscured)

66
69
60
72
64
50
45
40
40
40
54
66
82
71
30
22
17
9
13
21
36
68
46
42

High Clouds (% Sky Obscured)

100
67
33
0
0
0
0
5
15
15
20
25
29
30
12
2
6
25
5
36
68
100
68
32

ISS Passover

Visibility (miles)

8
9
5
3
7
9
4
2
3
0
0
0
0
0
0
0
0
0
1
5
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
Snow
None
None
Snow
Snow
Snow
None
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

38
38
45
41
41
43
41
42
40
38
43
46
37
36
34
27
29
24
12
15
15
20
27
29

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
20
19
19
18
18
19
19
19
19
18
18
18
17
17
17
17
17
17
17
15
13
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
76
76
80
79
78
78
78
77
81
81
83
83
81
85
83
83
83
82
80
80
79
79
79

Pressure (mb)

989
990
991
992
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1005
1006
1005
1005
1005
1006
1006
1006

Ozone (du)

421
415
414
411
408
404
392
383
387
387
388
391
392
395
401
399
403
415
428
432
426
428
440
444

Tuesday 30

Waxing Gibbous 84%

13:47

04:59

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 OK
16 OK
17 OK

Sun - Rise: 07:53, Set: 16:50, Transit: 12:21. Moon - Rise: 13:47, Set: 04:59. Civil Dark: 17:23 - 07:20. Nautical Dark: 17:59 - 06:44. Astro Dark: 18:34 - 06:08

Total Clouds (% Sky Obscured)

90
92
94
97
98
99
100
99
91
96
98
91
71
76
82
92
93
94
94
72
44
15
10
10

Low Clouds (% Sky Obscured)

69
71
76
86
87
86
87
87
80
87
91
82
57
65
71
87
91
94
94
72
44
15
10
10

Medium Clouds (% Sky Obscured)

39
89
91
92
95
97
90
41
39
30
32
33
36
35
29
27
23
39
46
42
28
8
6
6

High Clouds (% Sky Obscured)

3
15
20
35
40
20
0
0
0
0
0
0
1
2
4
3
1
1
0
1
1
3
10
10

ISS Passover

Visibility (miles)

9
9
9
9
9
0
0
0
9
9
9
9
9
9
7
4
2
2
1
1
4
6
9
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
26
24
22
32
39
42
37
32
26
31
32
30
43
35
29
29
29
30
29
27
22
23
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
11
10
10
10
10
12
12
11
11
10
9
9
9
10
12
12
12
12
13
13
13
12

Chance of Frost

Temperature (°C)

-7
-7
-7
-7
-7
-7
-7
-6
-6
-6
-6
-7
-7
-7
-6
-6
-6
-6
-6
-6
-7
-8
-9
-10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
73
71
76
80
90
94
87
82
80
84
87
90
89
90
90
89
89
87
85
83
82
80
81

Pressure (mb)

1007
1007
1007
1006
1006
1006
1005
1004
1005
1005
1005
1005
1005
1005
1006
1006
1007
1006
1006
1006
1007
1007
1007
1008

Ozone (du)

421
408
394
390
379
374
360
351
350
353
351
346
346
350
349
347
346
339
332
325
327
329
330
331

Wednesday 31

Waxing Gibbous 92%

14:40

06:20

18 OK
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: 07:53, Set: 16:51, Transit: 12:22. Moon - Rise: 14:40, Set: 06:20. Civil Dark: 17:24 - 07:20. Nautical Dark: N/A - 06:44. Astro Dark: 18:34 - 06:09

Total Clouds (% Sky Obscured)

10
23
37
53
51
40
37
52
75
100
97
93
90
90
91
91
94
96
98
87
77
70
75
80

Low Clouds (% Sky Obscured)

10
23
37
53
51
40
37
52
52
50
44
44
49
60
73
83
74
66
57
47
47
45
54
61

Medium Clouds (% Sky Obscured)

7
15
19
28
44
40
37
52
75
100
95
88
84
82
79
79
80
82
81
68
57
46
50
46

High Clouds (% Sky Obscured)

10
23
37
30
5
0
0
0
0
5
26
41
47
40
21
0
0
4
4
6
4
0
0
0

ISS Passover

Visibility (miles)

3
0
0
0
0
0
0
0
0
0
0
1
2
2
2
1
1
3
6
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

18
25
29
33
43
50
54
51
46
39
37
34
30
34
34
29
35
34
27
32
30
14
30
32

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
9
8
7
7
7
8
10
9
10
11
11
12
12
13
14
15
15
16
16
15
15
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-16
-15
-14
-13
-13
-13
-12
-12
-12
-12
-12
-12
-16
-16
-17
-16
-16
-16
-16
-15
-16
-16

Dew Point (°C)

-12
-12
-11
-10
-10
-9
-9
-9
-10
-10
-11
-12
-13
-14
-14
-13
-13
-13
-14
-14
-13
-13
-13
-13

Relative Humidity (%)

85
88
88
92
94
94
94
92
92
94
92
92
90
88
86
85
83
81
78
75
80
83
86
85

Pressure (mb)

1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009

Ozone (du)

332
333
333
333
333
332
330
329
330
331
333
338
344
349
357
365
373
390
408
426
433
439
446
445

Thursday 1

Waxing Gibbous 98%

15:47

07:32

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

Sun - Rise: 07:53, Set: 16:52, Transit: 12:22. Moon - Rise: 15:47, Set: 07:32. Civil Dark: 17:24 - 07:20. Nautical Dark: 18:00 - 06:44. Astro Dark: 18:35 - 06:09

Total Clouds (% Sky Obscured)

85
89
88
91
95
97
100
100
100
100
99
99
98
99
98
98
97
96
95

Low Clouds (% Sky Obscured)

66
73
76
85
89
95
99
93
88
82
81
81
80
83
84
86
85
81
77

Medium Clouds (% Sky Obscured)

38
32
46
63
64
65
66
70
76
81
78
74
69
55
40
25
26
29
26

High Clouds (% Sky Obscured)

0
3
5
7
12
27
62
82
83
93
68
52
42
33
16
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
6
3
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

Precipitation Type

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

Precipitation Probability (%)

23
47
50
31
50
55
50
47
53
53
41
46
44
36
38
40
27
27
29

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
14
14
15
16
15
14
14
13
12
11
11
11
11
9
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
80
78
77
78
80
80
85
87
90
90
88
86
86
86
86
86
85

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1013
1013
1014
1015
1016
1016
1016

Ozone (du)

444
443
425
406
388
381
375
368
366
363
361
358
356
353
360
368
375
392
408

Forecast for Bradford, Simcoe County, Canada (44.11,-79.58)

Generated: 26/12/25 18:42:59. Forecast: 26/12/25 to 01/01/26. Timezone: UTC-5.00