Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waxing Crescent 41%

11:43

23:36

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
11 OK

Sun - Rise: 07:43, Set: 16:34, Transit: 12:09. Moon - Rise: 11:43, Set: 23:36. Civil Dark: 17:08 - 07:10. Nautical Dark: 17:45 - 06:33. Astro Dark: 18:20 - 05:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
100
99
95
90
88
87
86
81
79
75
64
60
51
40

Low Clouds (% Sky Obscured)

25
72
86
100
100
100
100
93
86
81
77
77
74
73
75
72
70
70
67
68
64
60
14
0

Medium Clouds (% Sky Obscured)

100
100
97
100
100
100
100
100
96
89
100
94
84
52
44
35
28
21
21
22
10
4
4
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
35
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
4
2
1
1
0
0
0
0
0
0
0
2
3
3
3
3
3
4
5
7
8
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
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 (%)

39
48
68
76
95
95
95
95
89
58
50
32
21
12
5
7
4
3
4
0
0
0
3
0

Precipitation Amount (mm)

0.1
0.2
0.3
0.3
1.2
2.1
2.2
1.3
0.5
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-20
-19
-19
-18
-17
-16
-18
-18
-19
-18
-18
-19
-19
-19
-18
-19
-19
-18
-18
-18
-19
-17
-16
-14

Dew Point (°C)

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

Relative Humidity (%)

65
67
70
78
81
86
86
88
86
86
86
84
84
84
84
84
84
86
86
84
86
84
83
81

Pressure (mb)

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

Ozone (du)

308
310
313
316
314
313
314
316
321
327
333
339
345
345
346
349
351
357
351
344
345
346
347
347

Saturday 27

First Quarter 52%

12:03

00:49

12 OK
13 OK
14 OK
15 OK
16 Good
17 OK
18 Good
19 OK
20 OK
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

Sun - Rise: 07:44, Set: 16:35, Transit: 12:09. Moon - Rise: 12:03, Set: 00:49. Civil Dark: 17:08 - 07:10. Nautical Dark: 17:45 - 06:34. Astro Dark: 18:21 - 05:58

Total Clouds (% Sky Obscured)

37
34
42
40
5
12
5
18
20
22
55
55
50
45
42
66
99
100
100
100
100
100
96
100

Low 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
12
45

Medium Clouds (% Sky Obscured)

0
0
0
0
0
12
0
2
2
2
0
0
23
2
14
4
45
34
44
69
72
72
65
95

High Clouds (% Sky Obscured)

0
0
0
0
1
0
1
0
0
4
55
55
50
45
42
66
99
100
100
100
100
100
96
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
5
4
5
5
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
6
5
5
4
4
3
3
3
3
2
3
3
3
3
3
3
3
3
2
3
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-12
-10
-10
-11
-12
-13
-14
-16
-16
-17
-18
-18
-18
-18
-18
-18
-17
-17
-16
-16
-16
-14
-11

Dew Point (°C)

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

Relative Humidity (%)

80
79
79
80
88
88
88
88
88
88
86
88
88
88
86
84
83
83
81
83
83
75
71
73

Pressure (mb)

1024
1024
1024
1025
1026
1026
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1022
1021

Ozone (du)

348
347
342
342
342
343
340
336
333
331
330
330
329
329
327
328
325
325
325
327
329
330
331
334

Sunday 28

Waxing Gibbous 63%

12:03

02:06

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
11 Bad

Sun - Rise: 07:44, Set: 16:36, Transit: 12:10. Moon - Rise: 12:03, Set: 02:06. Civil Dark: 17:09 - 07:11. Nautical Dark: 17:46 - 06:34. Astro Dark: 18:21 - 05:58

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)

33
30
1
3
0
0
0
29
68
84
94
100
100
100
90
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
97
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
87
70
45
40
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
4
4
1
1
0
0
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
Snow
Frozen rai
Frozen rai
Frozen rai
None
None
None
Snow
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
4
28
58
76
85
67
47
35
21
83
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.4
0.4
0.2
0
0
0
0.6
0.7
1.1
1
1.8
1.2
1.2
1.4
0.9
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-8
-7
-7
-7
-7
-7
-7
-6
-5
-5
-5
-4
-4
-4
-4
-3
-3
-2
-1
-0
1
2
2

Relative Humidity (%)

76
79
81
82
85
87
84
85
87
90
91
92
92
92
92
96
96
96
96
96
96
98
100
100

Pressure (mb)

1019
1017
1016
1015
1014
1013
1011
1010
1008
1007
1005
1003
1001
1000
998
997
994
993
991
989
987
986
984
983

Ozone (du)

333
334
333
332
332
331
330
330
329
327
329
330
329
326
327
325
323
327
330
330
335
337
341
345

Monday 29

Waxing Gibbous 74%

12:26

03:27

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
11 Bad

Sun - Rise: 07:44, Set: 16:37, Transit: 12:10. Moon - Rise: 12:26, Set: 03:27. Civil Dark: 17:10 - 07:11. Nautical Dark: 17:47 - 06:34. Astro Dark: 18:22 - 05:59

Total Clouds (% Sky Obscured)

100
95
97
97
98
99
100
99
99
99
99
100
100
96
99
99
93
85
74
71
71
74
71
65

Low Clouds (% Sky Obscured)

100
94
88
82
83
85
87
80
76
71
69
68
69
66
71
73
73
73
74
67
66
63
51
39

Medium Clouds (% Sky Obscured)

100
56
52
46
91
95
98
97
96
91
97
98
100
94
98
89
82
64
48
47
46
50
43
49

High Clouds (% Sky Obscured)

40
0
0
0
1
2
3
4
5
5
37
45
65
53
27
0
0
0
0
0
0
0
0
2

ISS Passover

Visibility (miles)

0
0
9
9
1
0
0
1
1
7
4
0
0
7
3
9
6
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

Light Rain
None
None
None
Snow
Snow
None
None
None
None
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

85
54
48
38
54
58
40
34
36
29
29
46
36
14
19
7
12
12
5
6
6
2
4
2

Precipitation Amount (mm)

0.6
0
0
0
0.2
0.3
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
16
17
17
17
16
16
16
16
15
15
14
12
9
13
17
16
16
16
15
15
15
15
15

Chance of Frost

Temperature (°C)

3
2
1
-1
-2
-4
-4
-5
-5
-6
-7
-7
-8
-9
-10
-10
-12
-12
-12
-13
-12
-12
-12
-11

Feels Like (°C)

-3
-4
-6
-8
-9
-10
-11
-12
-12
-12
-13
-13
-13
-13
-15
-18
-19
-20
-20
-20
-20
-19
-19
-19

Dew Point (°C)

3
2
-0
-3
-4
-5
-5
-7
-7
-9
-9
-9
-9
-9
-11
-13
-15
-16
-16
-16
-16
-16
-16
-15

Relative Humidity (%)

100
100
94
86
87
92
94
87
89
80
82
87
92
94
90
78
78
75
73
75
72
72
72
73

Pressure (mb)

982
982
983
984
985
986
987
987
988
988
988
988
988
989
990
992
993
995
996
997
998
999
1000
1000

Ozone (du)

352
358
361
372
383
392
393
391
400
410
414
412
409
403
394
391
392
400
406
403
408
413
409
415

Tuesday 30

Waxing Gibbous 84%

12:56

04:50

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
11 Bad

Sun - Rise: 07:44, Set: 16:38, Transit: 12:11. Moon - Rise: 12:56, Set: 04:50. Civil Dark: 17:11 - 07:11. Nautical Dark: 17:47 - 06:34. Astro Dark: 18:23 - 05:59

Total Clouds (% Sky Obscured)

58
65
73
84
89
95
100
100
100
100
100
86
48
59
71
83
75
67
59
60
63
64
73
80

Low Clouds (% Sky Obscured)

27
20
12
10
5
5
5
30
54
79
79
79
48
59
71
70
74
67
59
60
63
64
54
27

Medium Clouds (% Sky Obscured)

50
57
63
76
84
90
87
89
100
88
52
45
47
57
66
73
65
56
47
50
52
53
65
76

High Clouds (% Sky Obscured)

6
9
19
55
30
40
26
40
42
60
17
6
0
0
1
1
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
8
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 (%)

5
0
1
0
1
1
1
3
4
3
16
22
27
3
4
2
8
9
9
10
9
7
7
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
75
73
77
75
75
75
73
73
75
75
73
72
72
72
72
70
70
67
67
66
66
66
69

Pressure (mb)

1000
1000
1000
1001
1001
1002
1002
1003
1003
1003
1003
1003
1003
1002
1005
1005
1005
1006
1006
1006
1007
1007
1008
1007

Ozone (du)

423
437
439
442
437
435
436
439
433
424
416
401
396
396
387
378
369
365
361
357
356
354
353
351

Wednesday 31

Waxing Gibbous 92%

13:35

06:11

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
11 Bad

Sun - Rise: 07:44, Set: 16:38, Transit: 12:11. Moon - Rise: 13:35, Set: 06:11. Civil Dark: 17:12 - 07:11. Nautical Dark: 17:48 - 06:34. Astro Dark: 18:24 - 05:59

Total Clouds (% Sky Obscured)

86
80
73
67
78
89
100
80
60
45
63
76
89
93
96
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
3
7
10
12
14
16
10
5
0
26
45
67
57
49
39
51
67
79
84
89
91
90
91

Medium Clouds (% Sky Obscured)

86
71
52
32
55
77
100
80
60
45
61
53
57
69
82
99
99
99
99
99
100
100
100
100

High Clouds (% Sky Obscured)

24
19
17
10
17
10
0
0
0
0
0
0
44
65
75
90
100
99
99
66
33
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
6
9
10
18
22
24
23
21
17
26
31
35
42
47
51
51
50
48
45
38
31
27
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
74
80
87
92
92
94
96
94
96
94
94
92
94
92
90
90
90
88
88
80
72
66
64

Pressure (mb)

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

Ozone (du)

349
348
348
349
350
350
350
350
349
349
348
345
342
338
338
338
338
342
346
350
372
394
416
421

Thursday 1

Waxing Gibbous 98%

14:27

07:23

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: 07:44, Set: 16:39, Transit: 12:12. Moon - Rise: 14:27, Set: 07:23. Civil Dark: 17:12 - 07:11. Nautical Dark: 17:49 - 06:34. Astro Dark: 18:24 - 05:59

Total Clouds (% Sky Obscured)

100
84
72
62
71
77
85
89
93
98
99
99
100
95
90
85
80
77
72

Low Clouds (% Sky Obscured)

90
75
60
46
48
54
60
70
81
93
94
94
91
84
77
71
63
56
49

Medium Clouds (% Sky Obscured)

100
82
63
45
56
66
77
64
51
38
42
51
55
49
43
41
37
33
29

High Clouds (% Sky Obscured)

0
20
53
62
60
60
45
24
3
2
11
21
30
22
14
7
5
3
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
3
0
3
6
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

Precipitation Type

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

Precipitation Probability (%)

14
15
13
6
11
12
10
13
18
21
21
20
18
21
22
20
22
24
25

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
12
11
11
10
9
7
6
6
6
7
7
7
6
6
5
5
5
5

Chance of Frost

Temperature (°C)

-10
-10
-10
-10
-11
-11
-12
-14
-13
-13
-12
-12
-13
-13
-14
-15
-16
-16
-17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
59
61
64
68
72
78
83
86
86
88
84
84
83
82
82
82
80
79

Pressure (mb)

1007
1006
1007
1007
1007
1008
1008
1008
1009
1009
1009
1009
1009
1010
1010
1011
1012
1012
1013

Ozone (du)

425
430
433
437
441
437
432
428
411
395
378
372
366
360
357
354
351
351
351

Forecast for Erinsville, Lennox and Addington County, Canada (44.48,-77.05)

Generated: 26/12/25 12:43:18. Forecast: 26/12/25 to 01/01/26. Timezone: UTC-5.00