Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Waxing Crescent 30%

11:04

No Set

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 OK
19 OK
20 Good
21 Good

Sun - Rise: 07:41, Set: 16:33, Transit: 12:07. Moon - Rise: 11:04, Set: No Set. Civil Dark: 17:06 - 07:08. Nautical Dark: 17:43 - 06:31. Astro Dark: 18:18 - 05:56

Total Clouds (% Sky Obscured)

80
85
88
91
100
100
83
98
100
100
88
72
100
86
82
69
78
100
90
58
30
15
9
6

Low Clouds (% Sky Obscured)

15
34
23
91
72
52
48
42
68
66
73
72
100
79
79
67
59
61
60
14
22
9
7
0

Medium Clouds (% Sky Obscured)

80
85
88
91
100
78
46
67
91
90
6
0
0
0
0
0
0
0
0
0
0
1
0
0

High Clouds (% Sky Obscured)

80
85
88
49
65
98
67
95
100
93
71
1
40
60
17
44
63
99
81
58
30
15
4
2

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

Precipitation Probability (%)

16
58
50
8
17
0
0
0
0
1
0
3
12
5
3
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.3
0.2
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)

3
5
5
5
6
8
8
5
4
6
6
7
9
11
12
13
13
13
12
12
12
12
12
11

Chance of Frost

Temperature (°C)

-4
-4
-3
-3
-1
-1
-1
-1
-2
-1
-1
-1
-1
-1
-1
-2
-4
-5
-6
-8
-8
-9
-10
-11

Feels Like (°C)

-8
-8
-7
-7
-5
-5
-5
-4
-5
-5
-5
-5
-3
-5
-7
-9
-10
-11
-12
-14
-15
-16
-15
-15

Dew Point (°C)

-7
-7
-6
-5
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-6
-8
-9
-10
-12
-13
-14
-15
-16
-17

Relative Humidity (%)

78
79
79
82
84
87
86
91
92
89
87
89
84
81
71
67
66
66
66
66
64
62
62
62

Pressure (mb)

1023
1022
1021
1021
1020
1019
1017
1016
1016
1017
1017
1017
1018
1018
1018
1019
1021
1022
1024
1025
1027
1028
1028
1028

Ozone (du)

313
314
310
310
318
319
324
345
347
358
359
352
350
343
339
340
340
340
341
339
339
336
339
339

Thursday 25

Waxing Crescent 41%

11:23

22:24

22 Bad
23 OK
00 OK
01 OK
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
20 Bad
21 Bad

Sun - Rise: 07:42, Set: 16:34, Transit: 12:08. Moon - Rise: 11:23, Set: 22:24. Civil Dark: 17:07 - 07:08. Nautical Dark: 17:44 - 06:32. Astro Dark: 18:19 - 05:56

Total Clouds (% Sky Obscured)

60
36
21
16
56
95
100
100
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
5
3
39
46
100
72
98
100
100
92
92
94
98

Medium Clouds (% Sky Obscured)

0
0
0
10
10
56
62
100
96
100
99
100
100
100
100
100
100
100
100
100
95
100
100
100

High Clouds (% Sky Obscured)

32
21
13
7
56
95
100
73
70
100
77
100
100
100
100
100
100
100
100
100
100
100
100
69

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
3
1
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
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
21
8
17
44
78
95
95
95
94
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
0.9
0.7
0.6
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
61
63
63
62
61
61
61
59
59
58
59
58
57
57
61
61
61
62
69
75
83
88
86

Pressure (mb)

1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1027
1026
1025
1023
1021
1020
1019
1018
1017
1017
1017
1016
1016

Ozone (du)

333
325
317
315
313
311
310
306
307
309
308
307
307
304
305
307
306
309
311
314
320
324
329
331

Friday 26

Waxing Crescent 52%

11:41

23:35

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

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)

98
98
97
93
89
90
86
88
85
78
53
60
31
12
3
2
1
0
0
1
1
1
1
2

Low Clouds (% Sky Obscured)

91
88
77
77
73
74
72
80
79
77
53
60
31
11
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

94
93
95
91
65
64
39
54
4
3
14
4
4
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

50
45
40
2
37
53
3
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
1
2
1
5
6
8
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

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

Precipitation Probability (%)

86
67
54
35
16
20
7
3
5
4
1
2
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.2
0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
86
86
86
86
86
86
84
83
79
75
74
71
70
67
70
74
80
83
83
81
81

Pressure (mb)

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

Ozone (du)

332
336
341
347
353
352
356
357
355
349
344
343
345
342
342
344
342
343
340
338
337
338
339
340

Saturday 27

First Quarter 63%

12:02

00:48

22 Good
23 Good
00 Good
01 OK
02 OK
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

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)

4
7
10
21
33
44
50
59
83
93
97
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
14
28
44
48
50
54
56
58
60
65
71
76
82
84
90
95
85
86
86
93
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
7
13
9
5
1
17
62
65
60
94
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

2
3
8
12
16
22
30
41
56
72
87
100
100
100
100
100
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
19
33
46
54
52
47
39
35
38

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
4
3
4
4
4
4
4
4
4
5
5
5
5
6
7
6
6
6
6
7
8
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-14
-13
-14
-14
-14
-14
-13
-13
-14
-14
-13
-11
-10
-9
-8
-8
-9
-9
-9
-9
-9
-9
-8

Dew Point (°C)

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

Relative Humidity (%)

81
81
83
83
81
83
83
83
85
85
83
78
74
70
66
65
65
70
75
75
76
79
81
82

Pressure (mb)

1026
1026
1025
1025
1025
1025
1024
1024
1023
1023
1022
1022
1021
1019
1018
1016
1015
1014
1013
1012
1011
1009
1008
1006

Ozone (du)

339
337
336
333
332
332
333
331
333
335
335
337
336
337
336
335
333
333
335
335
334
331
331
331

Sunday 28

Waxing Gibbous 74%

12:26

02:05

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
20 Bad
21 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
100
100
99
98
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

96
93
88
92
96
100
100
100
100
100
100
100
96
91
87
96
95
95
90
86
82
83
84
86

Medium Clouds (% Sky Obscured)

100
100
100
98
95
94
94
94
94
96
98
100
100
100
25
15
21
41
62
74
86
76
65
40

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
90
80
65
75
80
0
20
40
60
48
70
67
84
96
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
0
1
0
0
0
0
8
9
9
9
9
9
9
7
5
3
2
2

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
Frozen rai
Frozen rai
Light Rain
Light Rain
Very Light Rain
Snow
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Frozen rai
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

56
80
92
84
75
58
54
46
55
82
95
95
91
70
48
77
76
73
73
69
61
55
48
40

Precipitation Amount (mm)

0
0.4
0.6
0.5
0.4
0.2
0.2
0
0
0.4
0.7
0.8
0.6
0.3
0.1
0.4
0.4
0.4
0.4
0.3
0.3
0.2
0.2
0.1

Wind Speed/Direction (mph)

8
8
8
8
6
7
8
9
11
12
12
11
9
9
13
15
18
17
17
17
17
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-7
-6
-5
-4
-5
-4
-4
-5
-5
-2
-3
-4
-6
-7
-7
-9
-9
-9
-8
-9
-8
-12
-12

Dew Point (°C)

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

Relative Humidity (%)

82
84
87
92
96
98
98
100
98
100
100
98
94
86
80
77
75
75
73
73
73
72
76
81

Pressure (mb)

1004
1002
1000
999
997
995
993
991
989
987
986
986
985
986
986
986
989
990
991
993
994
995
996
997

Ozone (du)

329
330
328
329
329
329
328
330
329
332
337
344
353
361
375
381
380
378
377
381
385
388
391
395

Monday 29

Waxing Gibbous 84%

12:55

03:25

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 OK
17 OK
18 OK
19 OK
20 OK
21 Good

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)

99
99
98
99
99
100
94
88
82
71
56
43
49
55
53
40
39
44
37
31
25
25
22
17

Low Clouds (% Sky Obscured)

81
75
69
55
44
32
25
14
6
8
10
12
20
23
26
19
12
5
4
7
5
9
6
3

Medium Clouds (% Sky Obscured)

47
59
71
81
90
99
94
88
82
71
56
43
49
55
53
40
20
2
1
1
0
2
4
6

High Clouds (% Sky Obscured)

82
64
44
45
49
55
42
23
4
3
1
0
0
0
0
37
22
4
4
4
4
3
3
3

ISS Passover

Visibility (miles)

1
2
3
4
6
8
9
6
3
0
3
5
7
8
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 (%)

33
26
19
18
15
7
16
17
13
17
21
25
21
17
6
7
6
0
1
1
0
1
1
1

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)

17
16
16
15
16
16
17
16
15
14
15
15
15
15
15
14
13
12
12
11
10
10
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
80
77
73
71
68
67
71
75
80
78
77
75
71
68
63
66
67
68
69
71
71
70
72

Pressure (mb)

998
998
999
999
1000
1001
1002
1003
1004
1005
1006
1006
1007
1008
1008
1008
1009
1009
1010
1011
1012
1013
1013
1013

Ozone (du)

398
398
399
399
397
394
392
396
400
405
407
408
410
411
412
413
415
417
419
420
421
422
415
408

Tuesday 30

Waxing Gibbous 92%

13:34

04:49

22 OK
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

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)

29
45
62
77
88
96
97
98
98
99
100
100
100
100
100
99
98
97
96
95
94

Low Clouds (% Sky Obscured)

23
41
56
59
58
60
73
85
98
98
98
98
98
98
97
96
95
94
90
87
84

Medium Clouds (% Sky Obscured)

11
16
24
41
57
70
80
82
85
90
95
100
96
93
89
88
87
91
91
91
91

High Clouds (% Sky Obscured)

9
15
16
34
64
95
65
36
23
32
32
21
15
9
3
32
62
91
94
92
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
4
2
2
2
2
4
7
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

Precipitation Type

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

Precipitation Probability (%)

12
17
18
26
32
37
37
37
35
44
48
49
61
67
68
69
67
66
61
56
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-15
-15
-15
-15
-14
-14
-14
-14
-14
-12
-12
-12
-12
-12
-12
-6
-7
-7
-7
-8

Dew Point (°C)

-15
-15
-15
-15
-14
-14
-13
-12
-11
-10
-10
-9
-9
-8
-8
-8
-8
-8
-7
-6
-6

Relative Humidity (%)

72
72
72
73
72
74
74
78
80
85
85
85
85
79
70
64
67
67
69
72
75

Pressure (mb)

1014
1013
1013
1013
1012
1012
1012
1011
1011
1010
1010
1010
1010
1009
1008
1007
1007
1007
1007
1007
1008

Ozone (du)

401
392
383
375
370
365
360
353
346
339
343
348
353
348
342
336
336
337
337
336
336

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

Generated: 24/12/25 22:46:17. Forecast: 24/12/25 to 30/12/25. Timezone: UTC-5.00