Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 7

Waning Gibbous 84%

19:37

10:40

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 Bad
21 OK
22 OK
23 OK
00 OK
01 OK
02 Good
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 07:38, Set: 16:40, Transit: 12:09. Moon - Rise: 19:37, Set: 10:40. Civil Dark: 17:13 - 07:05. Nautical Dark: 17:49 - 06:30. Astro Dark: 18:23 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
95
96
86
88
69
24
18
45
20
16
24
31
35
9
6
6
17
16

Low Clouds (% Sky Obscured)

84
85
82
70
68
74
81
88
69
81
69
24
13
40
20
16
24
9
20
2
1
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
83
79
22
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
45
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
5
4
5
15
15

ISS Passover

Visibility (miles)

1
0
0
0
0
0
0
3
1
9
9
9
9
6
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
Snow
Snow
Snow
Snow
None
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
2
73
71
62
55
37
32
37
26
9
17
26
12
12
5
3
14
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.4
0.4
0.3
0.3
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
1
2
2
4
6
7
8
11
11
11
11
11
11
10
9
8
8
8
7
7
6

Chance of Frost

Temperature (°C)

-3
-4
-4
-3
-3
-2
-2
-2
-2
-2
-3
-4
-6
-6
-7
-7
-8
-8
-9
-10
-11
-11
-12
-12

Feels Like (°C)

-6
-7
-7
-6
-6
-5
-5
-5
-6
-6
-8
-9
-10
-10
-12
-12
-11
-12
-13
-15
-14
-15
-15
-15

Dew Point (°C)

-6
-5
-5
-4
-4
-3
-3
-4
-4
-5
-7
-9
-9
-9
-11
-13
-13
-12
-12
-14
-15
-16
-17
-17

Relative Humidity (%)

82
91
92
92
92
92
91
81
84
81
75
72
74
77
70
64
67
75
80
74
72
67
69
69

Pressure (mb)

1018
1018
1018
1018
1018
1017
1016
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1028
1029
1029
1030

Ozone (du)

363
365
363
363
359
355
369
375
371
367
378
376
377
377
370
365
363
364
366
365
364
360
356
354

Monday 8

Waning Gibbous 75%

20:55

11:16

07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 OK
15 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:39, Set: 16:40, Transit: 12:09. Moon - Rise: 20:55, Set: 11:16. Civil Dark: 17:13 - 07:06. Nautical Dark: 17:49 - 06:31. Astro Dark: 18:23 - 05:56

Total Clouds (% Sky Obscured)

3
2
2
2
11
12
18
20
28
58
88
87
93
32
77
88
77
66
86
85
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
29
32
77
77
58
44
51
51
48
55
54
63

Medium Clouds (% Sky Obscured)

0
0
0
0
3
12
12
5
28
48
88
87
93
32
45
69
71
66
82
83
100
94
100
94

High Clouds (% Sky Obscured)

3
2
2
2
11
12
18
20
12
33
45
39
35
32
10
0
4
6
59
58
62
55
97
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
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)

6
5
4
2
2
1
2
1
2
3
3
4
4
4
3
3
4
4
4
4
5
5
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-17
-17
-18
-18
-17
-17
-16
-16
-16
-15
-14
-14
-14
-14
-14
-13
-13
-12
-12
-12
-12
-11
-11
-10

Relative Humidity (%)

68
68
63
59
56
55
53
52
53
57
65
63
63
64
65
68
70
71
70
70
72
73
73
74

Pressure (mb)

1030
1031
1031
1031
1031
1030
1030
1029
1029
1029
1029
1029
1028
1027
1027
1026
1025
1024
1023
1022
1021
1019
1018
1017

Ozone (du)

355
357
358
353
348
348
351
354
362
362
366
371
371
373
383
399
404
407
414
412
412
405
399
400

Tuesday 9

Waning Gibbous 65%

22:10

11:44

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:40, Set: 16:40, Transit: 12:10. Moon - Rise: 22:10, Set: 11:44. Civil Dark: 17:13 - 07:07. Nautical Dark: 17:49 - 06:32. Astro Dark: 18:24 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
96
95
100
98
96
99
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

45
47
82
94
100
97
91
89
89
87
89
84
98
98
87
99
95
97
94
100
100
97
95
93

Medium Clouds (% Sky Obscured)

100
100
100
99
100
100
87
86
74
64
56
49
67
67
63
100
100
100
100
100
100
99
97
96

High Clouds (% Sky Obscured)

92
100
100
100
94
100
70
60
0
0
2
89
100
100
99
54
100
100
100
100
100
67
33
0

ISS Passover

Visibility (miles)

9
9
9
8
1
0
0
0
0
0
9
9
6
6
9
6
7
3
9
9
9
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
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
3
46
95
95
95
61
74
42
17
15
20
9
11
8
7
6
30
44
62
95
95
95

Precipitation Amount (mm)

0
0
0
0.2
0.9
1.6
0.7
0.2
0.5
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.9
1.8
2.5

Wind Speed/Direction (mph)

6
8
9
10
10
10
11
11
11
11
11
12
11
9
8
8
8
8
8
6
4
4
6
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
71
73
73
81
94
96
94
91
94
84
86
87
92
89
92
91
92
91
89
91
96
98
98

Pressure (mb)

1016
1015
1013
1012
1010
1008
1005
1004
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1001
1000
998
996
994
993

Ozone (du)

397
397
402
407
410
412
411
398
390
384
376
369
362
354
351
348
345
343
344
347
347
347
344
344

Wednesday 10

Waning Gibbous 54%

23:20

12:07

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:40, Set: 16:40, Transit: 12:10. Moon - Rise: 23:20, Set: 12:07. Civil Dark: 17:13 - 07:08. Nautical Dark: 17:49 - 06:33. Astro Dark: 18:24 - 05:58

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
97
100
100
99
90
100
100
100
94
88
82

Low Clouds (% Sky Obscured)

90
88
88
88
89
90
87
84
81
75
66
45
63
68
77
77
74
64
49
43
33
47
58
69

Medium Clouds (% Sky Obscured)

97
98
100
100
100
99
98
99
88
89
100
100
86
65
70
70
70
71
97
100
100
87
76
65

High Clouds (% Sky Obscured)

33
67
100
68
36
4
3
1
0
0
6
20
10
3
0
0
1
1
20
17
25
25
22
30

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
9
9
9
9
7
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

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

Precipitation Probability (%)

95
95
95
76
53
39
37
41
34
47
22
5
4
5
5
15
7
6
7
5
4
10
12
8

Precipitation Amount (mm)

2.3
1.8
0.8
0.3
0.1
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
9
12
15
15
14
14
14
14
11
12
13
12
11
10
9
9
8
7
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
0
0
2
2
2
2
2
1
1
-1
-3
-3
-4
-5
-5
-6
-7
-8
-9
-9
-10
-10
-10

Relative Humidity (%)

100
98
98
100
100
100
100
100
100
100
96
86
86
86
84
86
85
84
80
79
79
77
80
82

Pressure (mb)

991
990
990
989
989
989
989
990
991
992
994
996
998
1000
1001
1003
1004
1005
1006
1006
1007
1008
1009
1009

Ozone (du)

344
347
352
350
350
345
345
353
355
348
347
344
340
338
348
348
338
338
332
335
331
335
333
332

Thursday 11

Third Quarter 44%

00:26

12:26

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
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: 07:41, Set: 16:40, Transit: 12:11. Moon - Rise: 00:26, Set: 12:26. Civil Dark: 17:13 - 07:09. Nautical Dark: 17:49 - 06:33. Astro Dark: 18:24 - 05:58

Total Clouds (% Sky Obscured)

88
94
87
88
84
86
72
54
44
53
62
72
81
88
95
82
62
30
40
64
90
89
87
86

Low Clouds (% Sky Obscured)

70
73
71
59
47
38
30
16
6
8
10
11
8
6
10
21
31
30
40
62
63
55
67
82

Medium Clouds (% Sky Obscured)

74
78
53
49
43
40
31
23
44
53
62
72
81
88
95
82
62
30
40
64
87
69
52
34

High Clouds (% Sky Obscured)

5
0
0
0
0
4
72
54
8
8
62
72
80
80
80
30
15
15
40
64
75
66
62
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
6
8
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 (%)

10
10
5
14
18
20
16
12
4
4
4
3
8
9
3
8
12
14
17
15
8
13
15
15

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
85
84
82
82
81
81
82
82
85
87
85
85
87
87
87
89
92
88
87
83
82
80

Pressure (mb)

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

Ozone (du)

330
332
331
328
329
332
335
346
344
340
339
340
342
342
343
343
345
348
351
349
348
346
346
345

Friday 12

Waning Crescent 42%

01:31

12:44

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
16 OK
17 Good
18 Good
19 Good
20 Good
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:42, Set: 16:40, Transit: 12:11. Moon - Rise: 01:31, Set: 12:44. Civil Dark: 17:13 - 07:09. Nautical Dark: 17:49 - 06:34. Astro Dark: 18:24 - 05:59

Total Clouds (% Sky Obscured)

82
78
82
82
77
71
59
43
30
20
13
7
11
11
20
48
74
97
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

71
55
34
29
28
33
30
24
22
17
13
7
5
2
0
24
46
69
74
76
81
57
29
2

Medium Clouds (% Sky Obscured)

36
42
45
42
47
43
42
40
30
20
13
7
11
11
20
48
66
84
90
95
100
100
100
100

High Clouds (% Sky Obscured)

46
31
5
0
0
0
0
0
0
3
13
7
11
7
0
0
0
0
0
2
3
3
0
0

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 (%)

15
14
11
10
8
6
7
7
2
3
2
0
1
1
0
1
1
0
3
3
0
8
8
6

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
7
6
6
6
6
6
6
6
5
4
4
3
3
3
3
2
2
2
1
1
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
77
75
74
71
70
67
70
73
76
79
80
82
83
83
85
83
85
85
87
85
87
85
85

Pressure (mb)

1017
1018
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019

Ozone (du)

344
345
346
347
348
350
351
352
353
354
354
354
355
354
354
353
352
350
349
350
351
351
359
366

Saturday 13

Waning Crescent 34%

02:35

13:01

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: 07:43, Set: 16:41, Transit: 12:12. Moon - Rise: 02:35, Set: 13:01. Civil Dark: 17:13 - 07:10. Nautical Dark: 17:50 - 06:35. Astro Dark: 18:24 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
96
92
89
70
52
34
49
60
63
55
55
56

Low Clouds (% Sky Obscured)

3
4
5
21
44
66
72
76
80
67
52
34
43
28
12
28
44
56

Medium Clouds (% Sky Obscured)

100
100
100
87
74
63
51
40
27
23
19
14
28
42
52
34
24
15

High Clouds (% Sky Obscured)

1
3
6
11
13
14
10
7
4
3
2
0
0
0
0
2
3
6

ISS Passover

Visibility (miles)

9
9
9
9
6
4
1
4
6
9
9
9
8
9
9
9
9
9

Fog (%)

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

Precipitation Probability (%)

5
2
1
9
12
14
17
17
15
16
16
13
11
9
2
7
7
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
82
79
74
79
80
84
84
82
84
84
85
85
87
87
88
88
87

Pressure (mb)

1019
1019
1020
1020
1019
1019
1018
1018
1018
1018
1019
1020
1020
1020
1021
1021
1021
1021

Ozone (du)

374
374
374
374
374
375
376
377
378
378
380
382
383
382
380
379
376
373

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

Generated: 07/12/25 06:42:57. Forecast: 07/12/25 to 13/12/25. Timezone: UTC-5.00