Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 14

Waning Crescent 17%

03:30

13:28

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

Sun - Rise: 07:36, Set: 16:28, Transit: 12:02. Moon - Rise: 03:30, Set: 13:28. Civil Dark: 17:01 - 07:03. Nautical Dark: 17:38 - 06:26. Astro Dark: 18:13 - 05:51

Total Clouds (% Sky Obscured)

38
22
20
10
4
4
2
2
2
4
60
2
17
20
54
49
49
42
41
71
93
93
93
86

Low Clouds (% Sky Obscured)

2
2
4
1
1
1
0
0
0
0
60
0
0
0
0
0
3
0
0
0
66
70
68
37

Medium Clouds (% Sky Obscured)

0
0
0
7
0
0
0
0
0
0
0
0
13
12
41
41
43
39
41
71
80
82
69
72

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
17
20
20
6
49
42
41
37
28
75
59
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
6
9
9
9
9
0
0
0
0
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
Snow
Snow
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
1
8
39
43
43
33
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-10
-14
-15
-16
-16
-17
-17
-17
-17
-17
-17
-17
-18
-18
-18
-18
-18
-15
-12
-10
-8
-7
-6
-5

Feels Like (°C)

-14
-17
-18
-20
-20
-21
-21
-21
-21
-21
-22
-21
-21
-22
-23
-22
-21
-19
-17
-15
-13
-11
-11
-11

Dew Point (°C)

-13
-17
-18
-18
-19
-19
-20
-20
-20
-20
-20
-20
-20
-20
-20
-20
-20
-17
-14
-12
-10
-8
-7
-7

Relative Humidity (%)

78
79
79
80
80
80
80
80
81
81
80
80
81
82
82
82
82
82
83
86
90
90
90
89

Pressure (mb)

1022
1023
1024
1024
1025
1025
1025
1025
1025
1025
1026
1026
1025
1025
1026
1026
1025
1025
1025
1024
1022
1021
1020
1019

Ozone (du)

349
338
337
339
344
343
349
357
344
344
332
315
309
297
293
291
295
292
286
285
290
289
289
296

Monday 15

Waning Crescent 11%

04:35

13:52

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

Sun - Rise: 07:37, Set: 16:28, Transit: 12:03. Moon - Rise: 04:35, Set: 13:52. Civil Dark: 17:01 - 07:04. Nautical Dark: 17:38 - 06:27. Astro Dark: 18:13 - 05:52

Total Clouds (% Sky Obscured)

94
98
78
79
76
69
96
96
84
56
35
8
5
6
6
66
56
95
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

75
84
74
79
76
69
23
7
1
0
0
0
0
1
1
1
31
87
100
100
100
100
100
90

Medium Clouds (% Sky Obscured)

81
68
53
65
60
65
59
57
82
53
30
3
0
0
0
0
0
21
11
22
50
100
73
81

High Clouds (% Sky Obscured)

19
20
18
25
31
32
59
70
65
0
0
0
0
0
0
45
19
8
73
82
98
100
73
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
1
1
2
3
9
5

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0

Precipitation Type

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

Precipitation Probability (%)

22
30
31
27
36
39
22
16
12
7
7
6
7
7
8
8
18
7
17
6
19
8
11
18

Precipitation Amount (mm)

0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-6
-6
-7
-8
-8
-9
-10
-11
-11
-11
-11
-13
-13
-14
-15
-15
-15
-11
-8
-5
-3
-2
-2
-2

Feels Like (°C)

-12
-12
-12
-13
-13
-13
-13
-16
-16
-15
-15
-17
-16
-16
-17
-17
-17
-14
-12
-9
-7
-8
-8
-8

Dew Point (°C)

-8
-8
-9
-10
-11
-11
-12
-13
-13
-13
-13
-15
-15
-16
-17
-16
-17
-13
-9
-6
-5
-4
-4
-4

Relative Humidity (%)

85
84
80
82
82
83
85
85
85
86
85
84
86
86
84
86
84
86
92
92
86
87
87
87

Pressure (mb)

1019
1018
1018
1018
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1019
1020
1020
1020
1020
1019
1018
1017
1016
1016

Ozone (du)

300
301
307
311
316
334
327
333
328
325
319
324
323
313
308
310
309
302
292
289
282
278
275
271

Tuesday 16

Waning Crescent 6%

05:40

14:22

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:38, Set: 16:28, Transit: 12:03. Moon - Rise: 05:40, Set: 14:22. Civil Dark: 17:02 - 07:04. Nautical Dark: 17:38 - 06:28. Astro Dark: 18:14 - 05:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
100
100
100
99
100
100
100
91
100
100
100
100
100
99
99
100
100

Low Clouds (% Sky Obscured)

100
91
57
53
55
52
64
69
83
85
97
100
100
100
91
100
100
100
100
100
97
98
99
100

Medium Clouds (% Sky Obscured)

100
99
100
100
100
98
92
88
60
0
1
18
19
44
55
67
55
54
30
45
26
37
46
58

High Clouds (% Sky Obscured)

100
98
100
100
100
95
65
100
100
98
90
12
4
46
62
69
43
47
30
32
35
0
0
0

ISS Passover

Visibility (miles)

5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
2

Fog (%)

1
1
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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

7
2
0
0
0
0
0
0
0
0
0
2
0
0
0
2
48
26
17
25
10
11
27
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
81
81
78
78
78
80
80
78
80
83
84
84
84
83
86
94
93
94
94
96
93
94

Pressure (mb)

1015
1014
1014
1013
1012
1011
1009
1009
1008
1007
1007
1006
1006
1005
1005
1005
1005
1005
1006
1006
1006
1006
1008
1009

Ozone (du)

269
268
266
268
268
266
264
265
267
268
267
268
267
270
272
274
283
292
297
303
309
314
314
315

Wednesday 17

Waning Crescent 2%

06:44

14:59

16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Good
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

Sun - Rise: 07:38, Set: 16:29, Transit: 12:04. Moon - Rise: 06:44, Set: 14:59. Civil Dark: 17:02 - 07:05. Nautical Dark: 17:39 - 06:28. Astro Dark: 18:14 - 05:53

Total Clouds (% Sky Obscured)

85
90
58
46
38
3
25
45
67
75
87
83
90
96
100
91
77
66
77
88
100
94
88
83

Low Clouds (% Sky Obscured)

85
87
58
46
28
0
25
45
67
75
74
70
66
63
59
46
32
20
45
63
96
72
43
15

Medium Clouds (% Sky Obscured)

41
59
0
0
0
0
0
0
0
0
10
1
42
73
91
76
60
51
15
14
23
72
77
83

High Clouds (% Sky Obscured)

0
0
0
0
0
0
11
24
36
32
33
29
56
78
100
78
53
25
17
9
10
8
17
20

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 (%)

10
17
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
8
8

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
78
75
78
81
87
89
90
90
90
90
89
89
89
84
81
86
84
83
81
83
83
86
86

Pressure (mb)

1011
1013
1015
1017
1018
1019
1020
1020
1021
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1016
1014
1012
1011
1010

Ozone (du)

320
331
336
344
345
335
327
326
324
324
325
324
326
325
325
327
327
327
326
325
323
321
322
320

Thursday 18

Waning Crescent 0%

07:43

15:46

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:39, Set: 16:29, Transit: 12:04. Moon - Rise: 07:43, Set: 15:46. Civil Dark: 17:02 - 07:06. Nautical Dark: 17:39 - 06:29. Astro Dark: 18:15 - 05:53

Total Clouds (% Sky Obscured)

86
88
88
92
95
99
99
99
100
100
100
100
100
100
100
100
100
100
93
87
85
91
94
99

Low Clouds (% Sky Obscured)

15
15
10
24
31
49
52
56
59
66
73
80
80
80
80
83
86
90
93
87
85
91
94
92

Medium Clouds (% Sky Obscured)

86
84
88
89
86
87
91
96
100
100
100
100
100
34
25
21
16
12
6
9
8
12
17
28

High Clouds (% Sky Obscured)

27
30
37
55
74
91
95
98
100
100
100
100
100
90
15
15
16
11
4
2
0
0
0
0

ISS Passover

Visibility (miles)

9
9
7
2
7
9
5
4
7
9
9
9
5
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
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Sleet
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

9
35
95
95
66
77
92
95
78
90
95
95
95
95
95
95
95
95
95
75
24
24
25
27

Precipitation Amount (mm)

0
0
1.6
1
0
0.2
0.4
0.5
0.4
0.6
0.8
1.2
1.6
1.9
2.4
2.7
2
1
1
0.4
0
0
0
0

Wind Speed/Direction (mph)

16
16
17
17
17
16
17
17
17
17
17
19
21
19
19
17
16
16
19
19
19
20
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-3
-4
-4
-3
-3
-2
-2
0
1
0
-1
-1
-2
-3
-3
-4
-4
-5
-4
-4
-10
-11

Dew Point (°C)

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

Relative Humidity (%)

86
83
82
89
88
86
89
91
91
90
91
87
93
89
80
80
76
74
70
67
64
62
63
64

Pressure (mb)

1008
1007
1006
1005
1004
1002
1001
999
998
997
996
995
994
993
993
992
993
994
996
996
997
998
999
1001

Ozone (du)

320
319
318
319
321
323
324
324
326
331
336
336
337
346
350
357
362
367
372
370
368
367
372
378

Friday 19

New Moon 1%

08:35

No Set

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

Sun - Rise: 07:39, Set: 16:30, Transit: 12:05. Moon - Rise: 08:35, Set: No Set. Civil Dark: 17:03 - 07:06. Nautical Dark: 17:40 - 06:29. Astro Dark: 18:15 - 05:54

Total Clouds (% Sky Obscured)

90
81
73
64
56
44
32
25
20
17
14
10
8
6
1
14
21
27
27
36
48
67
83
98

Low Clouds (% Sky Obscured)

76
61
46
55
56
44
32
25
20
17
14
10
8
4
0
5
10
13
13
13
13
27
47
67

Medium Clouds (% Sky Obscured)

39
42
45
43
44
44
30
17
7
5
2
0
0
0
0
14
21
27
27
36
48
67
83
95

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
15
27
27
36
48
67
83
88

ISS Passover

Visibility (miles)

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

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
Snow
Snow

Precipitation Probability (%)

28
27
26
26
23
17
20
13
1
1
1
0
0
0
0
0
0
0
3
2
3
35
48
58

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
0.2
0.3

Wind Speed/Direction (mph)

19
19
19
19
18
17
16
15
14
13
11
10
9
8
7
7
7
8
8
8
8
8
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-12
-13
-13
-15
-16
-17
-17
-17
-17
-17
-17
-17
-17
-17
-17
-16
-16
-15
-13
-12
-10
-9
-7

Relative Humidity (%)

64
62
62
60
57
53
51
52
53
55
55
56
56
54
54
54
53
53
52
58
62
69
73
78

Pressure (mb)

1002
1004
1005
1007
1008
1010
1011
1013
1014
1016
1017
1019
1020
1021
1022
1023
1023
1023
1024
1023
1021
1020
1019
1018

Ozone (du)

383
386
388
390
387
383
379
371
363
355
355
354
354
353
351
349
345
340
335
330
324
318
314
310

Saturday 20

Waxing Crescent 3%

09:18

16:42

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
12 Bad

Sun - Rise: 07:40, Set: 16:30, Transit: 12:05. Moon - Rise: 09:18, Set: 16:42. Civil Dark: 17:03 - 07:07. Nautical Dark: 17:40 - 06:30. Astro Dark: 18:16 - 05:54

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
99
100
100
100

Low Clouds (% Sky Obscured)

72
75
80
83
88
92
95
97
100
85
72
69
75
80
86
89
91
96
97
98
100

Medium Clouds (% Sky Obscured)

97
98
100
99
99
99
99
99
100
100
99
99
97
95
94
89
83
85
89
85
83

High Clouds (% Sky Obscured)

97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
95
90
85
80
71
40

ISS Passover

Visibility (miles)

7
8
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
2
0
3
6

Fog (%)

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

Precipitation Probability (%)

48
40
32
36
42
46
53
67
78
64
49
26
27
31
32
44
52
58
54
50
43

Precipitation Amount (mm)

0.2
0.1
0
0
0
0
0
0.3
0.4
0.3
0
0
0
0
0
0
0.2
0.3
0.2
0.2
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-11
-11
-11
-7
-8
-7
-7
-6
-6
-5
-4
-4
-4
-4
-3
-2
-2
-1
-2
-2

Dew Point (°C)

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

Relative Humidity (%)

85
81
76
72
71
71
71
74
78
81
85
88
89
89
91
93
94
96
96
93
91

Pressure (mb)

1017
1016
1015
1014
1013
1012
1011
1010
1009
1008
1007
1006
1006
1005
1005
1005
1005
1005
1005
1004
1004

Ozone (du)

306
307
307
307
306
305
304
303
302
301
302
303
303
305
306
307
307
308
308
310
312

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

Generated: 14/12/25 16:28:13. Forecast: 14/12/25 to 20/12/25. Timezone: UTC-5.00