Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Waxing Crescent 21%

10:52

21:26

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
03 Bad

Sun - Rise: 07:49, Set: 16:45, Transit: 12:17. Moon - Rise: 10:52, Set: 21:26. Civil Dark: 17:18 - 07:16. Nautical Dark: 17:54 - 06:40. Astro Dark: 18:29 - 06:05

Total Clouds (% Sky Obscured)

85
78
68
82
88
96
98
81
77
97
88
62
84
94
94
93
99
100
100
100
92
94
90
100

Low Clouds (% Sky Obscured)

71
68
65
68
67
67
60
54
51
46
24
26
37
41
32
24
28
41
5
23
10
20
20
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
19
13
24
92
79
44
71
81
89
86
90
71
93
91
91
94
90
92

High Clouds (% Sky Obscured)

0
0
4
52
71
86
94
54
51
66
14
43
6
70
66
73
94
100
100
100
52
53
34
50

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
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)

17
17
17
11
9
8
8
7
5
4
3
3
2
1
1
4
2
3
3
1
2
3
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
74
75
75
76
75
72
70
68
68
68
69
73
81
81
79
82
78
81
78
80
80
83
81

Pressure (mb)

1020
1021
1023
1025
1026
1028
1029
1029
1029
1028
1027
1027
1027
1027
1027
1026
1026
1024
1023
1023
1022
1021
1020
1020

Ozone (du)

300
299
305
308
310
309
310
310
308
306
303
303
300
301
302
304
305
307
306
309
312
311
309
314

Thursday 25

Waxing Crescent 30%

11:13

22:36

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
03 Bad

Sun - Rise: 07:49, Set: 16:46, Transit: 12:18. Moon - Rise: 11:13, Set: 22:36. Civil Dark: 17:19 - 07:17. Nautical Dark: 17:55 - 06:40. Astro Dark: 18:30 - 06:05

Total Clouds (% Sky Obscured)

71
64
48
39
100
88
82
100
99
100
100
100
100
99
98
85
58
55
79
75
98
94
91
100

Low Clouds (% Sky Obscured)

2
1
1
2
62
66
82
82
72
72
47
39
34
22
18
15
0
0
0
1
2
3
26
56

Medium Clouds (% Sky Obscured)

57
44
29
16
0
0
55
42
77
99
59
72
83
97
94
38
26
54
45
67
77
81
91
96

High Clouds (% Sky Obscured)

22
32
8
20
100
83
78
100
80
93
100
100
100
85
90
68
46
7
60
56
94
85
60
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
1
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-2
-3
-3
-4
-5
-4
-4
-5
-6
-6
-7
-8
-9
-10
-11
-10
-12
-13
-14
-13
-13
-14
-14

Dew Point (°C)

-3
-2
-2
-3
-4
-3
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
-13
-15
-15
-16
-16
-16
-16
-16

Relative Humidity (%)

86
92
92
87
81
81
84
81
77
71
68
68
68
68
65
62
59
55
54
54
54
54
55
55

Pressure (mb)

1018
1017
1017
1017
1018
1018
1019
1020
1020
1021
1022
1023
1024
1025
1026
1027
1027
1028
1028
1028
1027
1027
1027
1027

Ozone (du)

314
313
314
315
314
319
327
331
326
319
316
312
310
309
309
308
306
303
301
299
297
296
292
288

Friday 26

Waxing Crescent 41%

11:33

23:46

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
03 Bad

Sun - Rise: 07:50, Set: 16:47, Transit: 12:18. Moon - Rise: 11:33, Set: 23:46. Civil Dark: 17:19 - 07:17. Nautical Dark: 17:56 - 06:41. Astro Dark: 18:31 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
96
100
100
100
100
96
98
73
83
51
65

Low Clouds (% Sky Obscured)

84
91
100
100
100
100
100
100
95
100
100
100
95
88
100
100
100
100
95
98
73
82
51
65

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
91
82
63
51
76
47
23
7
1
0
0
0

High Clouds (% Sky Obscured)

93
100
100
100
100
100
100
100
100
100
100
100
100
34
36
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
6
9
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
9
9
9
9

Fog (%)

0
0
0
0
6
25
21
13
5
5
4
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

1
5
23
39
83
95
95
95
95
95
95
95
95
87
72
59
65
52
44
23
27
17
24
12

Precipitation Amount (mm)

0
0
0
0.1
0.6
1
0.8
0.6
1
2.4
2.9
1.4
0.8
0.5
0.5
0.4
0.5
0.2
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
59
65
71
74
82
85
89
87
89
90
92
92
94
94
94
94
90
88
87
87
87
85
85

Pressure (mb)

1026
1026
1025
1024
1023
1022
1021
1019
1017
1015
1013
1013
1013
1013
1012
1013
1013
1014
1015
1015
1015
1016
1017
1018

Ozone (du)

285
282
282
284
284
284
288
293
298
303
308
311
318
323
326
329
333
331
331
334
339
345
346
341

Saturday 27

First Quarter 52%

11:52

00:58

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
03 Bad

Sun - Rise: 07:50, Set: 16:47, Transit: 12:19. Moon - Rise: 11:52, Set: 00:58. Civil Dark: 17:20 - 07:17. Nautical Dark: 17:56 - 06:41. Astro Dark: 18:31 - 06:06

Total Clouds (% Sky Obscured)

54
62
66
73
91
100
99
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
62
66
73
91
100
98
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
14
23
32
60
79
58
52
69

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
2
1
1
0
0
0
1
0
0
0
18
26
31
66
83
100

ISS Passover

Visibility (miles)

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

24
14
8
11
13
18
11
9
17
10
18
19
17
11
18
13
16
20
19
20
18
16
14
12

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-11
-11
-12
-11
-10
-8
-7
-7
-6
-5
-5
-5
-5
-5
-5
-4
-5
-4
-4
-4
-4
-3

Relative Humidity (%)

87
87
88
88
88
90
88
90
90
89
90
92
92
94
94
94
94
94
92
92
94
94
94
94

Pressure (mb)

1018
1019
1020
1021
1022
1023
1024
1023
1023
1022
1022
1022
1022
1023
1023
1023
1022
1022
1022
1021
1021
1020
1020
1019

Ozone (du)

342
340
335
331
325
324
323
325
327
328
330
329
327
326
325
326
327
329
330
329
327
327
327
327

Sunday 28

Waxing Gibbous 63%

12:13

02:14

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
03 Bad

Sun - Rise: 07:50, Set: 16:48, Transit: 12:19. Moon - Rise: 12:13, Set: 02:14. Civil Dark: 17:21 - 07:17. Nautical Dark: 17:57 - 06:41. Astro Dark: 18:32 - 06:06

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
99
99
99

Low Clouds (% Sky Obscured)

100
100
100
100
95
95
95
95
95
95
98
100
100
100
100
100
100
100
100
100
100
96
91
86

Medium Clouds (% Sky Obscured)

53
38
39
47
96
97
100
86
81
100
100
100
100
100
100
100
100
100
85
73
73
80
82
75

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
97
94
91
87
84
80
80
80
80
28
16
16
37
22
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
0
0
0
0
0
3
6
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
Frozen rai
Frozen rai
Frozen rai
Frozen rai
None
None
Very Light Rain
Snow
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow

Precipitation Probability (%)

11
9
5
8
20
33
65
74
74
62
46
37
56
58
64
95
95
95
95
95
95
89
71
53

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.3
0.3
0.2
0
0
0.2
0.2
0.3
0.7
0.9
1.5
1.4
1.1
0.7
0.5
0.3
0.2

Wind Speed/Direction (mph)

5
6
5
5
5
7
8
7
7
7
6
6
6
5
5
5
5
5
5
4
10
16
16
17

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-2
-1
-0
-0
-0
0
0
1
1
1
1
1
1
1
1
1
1
1
0
-1

Feels Like (°C)

-5
-6
-6
-5
-6
-5
-4
-5
-4
-3
-4
-3
-3
-3
-3
-2
-2
-2
-2
-3
-3
-3
-3
-4

Dew Point (°C)

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

Relative Humidity (%)

91
92
92
94
94
92
92
94
94
96
92
92
94
98
98
100
100
100
100
94
91
86
84
80

Pressure (mb)

1018
1017
1016
1015
1014
1013
1012
1010
1008
1007
1006
1004
1004
1002
1001
1000
998
997
995
995
995
994
995
996

Ozone (du)

325
323
322
324
324
326
327
328
327
328
327
327
326
326
330
332
336
341
345
355
365
376
379
382

Monday 29

Waxing Gibbous 74%

12:38

03:34

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
03 Bad

Sun - Rise: 07:50, Set: 16:49, Transit: 12:20. Moon - Rise: 12:38, Set: 03:34. Civil Dark: 17:22 - 07:18. Nautical Dark: 17:58 - 06:41. Astro Dark: 18:33 - 06:07

Total Clouds (% Sky Obscured)

99
99
99
98
98
98
96
93
89
93
96
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
80
80
81
87
93
94
93
89
93
96
100
99
99
99
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

75
75
75
75
76
84
72
66
57
53
48
48
51
73
96
94
93
93
89
85
81
62
44
30

High Clouds (% Sky Obscured)

14
19
15
36
39
37
28
17
6
4
2
0
4
47
47
55
53
57
65
73
80
90
90
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
4
1
4
7
9
9
9
9
7
5
2
3
4
5
4
3

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
Snow
None
None
Snow
None
None
Snow
None
None
Snow

Precipitation Probability (%)

42
32
24
23
20
17
29
34
38
38
38
38
37
39
41
36
38
43
35
36
40
33
35
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
18
18
18
18
18
19
18
17
17
17
16
16
16
16
16
16
16
15
14
14
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-6
-6
-7
-12
-13
-13
-13
-14
-14
-12
-12
-12
-12
-12
-12
-16
-15
-16
-16
-16
-16
-17
-17

Dew Point (°C)

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

Relative Humidity (%)

77
75
75
73
75
75
76
78
79
82
81
79
77
77
77
77
77
77
77
77
77
77
77
78

Pressure (mb)

997
998
999
1000
1000
1001
1001
1001
1001
1001
1001
1002
1003
1004
1005
1005
1006
1007
1007
1008
1008
1009
1009
1010

Ozone (du)

386
387
389
391
390
389
388
387
387
387
381
375
369
369
369
369
374
378
383
387
390
394
399
403

Tuesday 30

Waxing Gibbous 84%

13:08

No Set

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: 07:50, Set: 16:50, Transit: 12:20. Moon - Rise: 13:08, Set: No Set. Civil Dark: 17:22 - 07:18. Nautical Dark: 17:59 - 06:42. Astro Dark: 18:33 - 06:07

Total Clouds (% Sky Obscured)

97
93
87
83
79
83
82
82
81
81
79
78
83
91
99
94
89
86
81
73
69

Low Clouds (% Sky Obscured)

93
86
79
72
65
58
38
19
0
20
38
53
49
55
69
84
89
86
81
71
61

Medium Clouds (% Sky Obscured)

41
52
70
70
79
83
82
76
71
64
59
51
66
82
97
80
63
50
54
50
41

High Clouds (% Sky Obscured)

95
93
87
83
79
80
73
67
73
64
54
48
47
42
37
28
19
16
24
18
7

ISS Passover

Visibility (miles)

3
3
4
4
6
7
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

Precipitation Type

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

Precipitation Probability (%)

33
32
28
26
25
17
18
15
7
11
10
6
12
14
12
23
28
28
37
40
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
77
77
77
75
72
74
74
74
74
73
73
74
76
79
80
85
87
87
89

Pressure (mb)

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

Ozone (du)

407
410
412
414
417
420
423
418
413
408
402
397
391
383
376
368
361
353
346
338
331

Forecast for Old Toronto, Canada (43.65,-79.38)

Generated: 24/12/25 04:03:23. Forecast: 24/12/25 to 30/12/25. Timezone: UTC-5.00