Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

First Quarter 69%

13:18

00:35

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

Sun - Rise: 07:21, Set: 16:29, Transit: 11:55. Moon - Rise: 13:18, Set: 00:35. Civil Dark: 17:02 - 06:49. Nautical Dark: 17:38 - 06:13. Astro Dark: 18:13 - 05:38

Total Clouds (% Sky Obscured)

72
74
55
19
21
15
26
33
34
28
6
6
28
26
24
6
47
41
68
96
82
93
93
96

Low Clouds (% Sky Obscured)

31
26
22
18
21
15
26
33
34
28
6
6
28
26
24
0
13
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

18
1
1
1
0
0
0
0
0
0
0
0
0
0
1
2
0
0
33
67
75
92
82
86

High Clouds (% Sky Obscured)

2
2
2
0
0
0
0
0
0
2
0
0
0
1
4
6
47
41
56
70
81
72
85
93

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)

13
11
9
11
11
10
10
10
9
9
8
7
9
9
8
8
8
7
7
5
4
4
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-9
-9
-9
-9
-9
-9
-9
-10
-10
-10
-10
-11
-12
-12
-13
-13
-13
-12
-12
-11
-11
-11

Relative Humidity (%)

63
63
62
63
64
65
66
66
66
66
66
65
59
51
44
40
37
36
36
42
48
50
52
55

Pressure (mb)

1017
1018
1019
1020
1021
1023
1024
1025
1026
1027
1027
1028
1030
1030
1030
1030
1030
1030
1031
1031
1031
1032
1031
1031

Ozone (du)

350
349
347
347
343
340
338
338
336
337
340
341
342
341
338
337
335
335
336
335
334
336
334
334

Saturday 29

Waxing Gibbous 79%

13:38

01:49

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:23, Set: 16:29, Transit: 11:56. Moon - Rise: 13:38, Set: 01:49. Civil Dark: 17:01 - 06:50. Nautical Dark: 17:37 - 06:14. Astro Dark: 18:12 - 05:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
94
100
96
100
97
86
91
96

Low Clouds (% Sky Obscured)

0
0
20
91
93
48
83
95
96
100
100
100
100
100
93
90
79
100
87
92
78
83
48
81

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
95
92
99
100
100
100
100
100
88
84
55
100
90
67
51
49
44
42

High Clouds (% Sky Obscured)

100
99
100
100
100
100
100
39
42
100
100
56
7
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
3
2
0
2
0
0
0
5
0
0
0
0
0
0
5
0
6
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain
Snow
Snow
None
None
None

Precipitation Probability (%)

0
0
1
42
76
83
86
95
95
95
95
95
95
95
95
95
78
95
95
63
43
29
21
45

Precipitation Amount (mm)

0
0
0
0.2
0.6
0.5
0.4
0.9
1.1
0.8
1.2
1.1
1.1
1.4
1.1
0.9
0.4
1
0.9
0.3
0.1
0
0
0

Wind Speed/Direction (mph)

1
2
3
5
9
11
12
14
16
16
19
19
20
20
20
19
19
20
19
17
16
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-10
-9
-6
-4
-1
-3
-1
-1
-1
-3
-1
0
0
0
1
2
1
3
1
1
-1
-2
-2

Relative Humidity (%)

55
55
58
66
77
98
83
98
94
96
80
96
98
98
96
98
100
88
98
88
96
84
78
78

Pressure (mb)

1030
1030
1029
1028
1027
1027
1025
1023
1022
1020
1019
1017
1016
1015
1013
1011
1010
1009
1009
1009
1010
1011
1011
1012

Ozone (du)

332
332
335
337
339
343
348
353
352
351
354
357
361
362
363
365
366
369
373
375
377
377
380
397

Sunday 30

Waxing Gibbous 88%

14:01

03:06

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

Sun - Rise: 07:24, Set: 16:28, Transit: 11:56. Moon - Rise: 14:01, Set: 03:06. Civil Dark: 17:01 - 06:51. Nautical Dark: 17:37 - 06:15. Astro Dark: 18:12 - 05:40

Total Clouds (% Sky Obscured)

91
98
89
60
50
39
61
58
25
18
15
5
16
2
7
51
100
43
93
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
92
89
60
50
39
61
58
25
18
15
5
16
0
0
0
0
0
0
30
30
40
53
67

Medium Clouds (% Sky Obscured)

76
71
23
6
0
0
0
0
0
0
0
0
0
0
0
5
84
43
93
100
100
100
93
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
7
51
100
35
41
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 (%)

17
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

14
16
15
15
14
13
12
12
11
10
9
8
8
7
6
5
3
4
4
3
2
2
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-2
-3
-5
-6
-7
-8
-8
-9
-10
-11
-11
-13
-14
-14
-14
-14
-13
-13
-12
-11
-11
-11
-11

Relative Humidity (%)

84
80
81
81
78
76
76
79
79
79
79
77
65
58
57
55
54
55
55
61
67
65
63
63

Pressure (mb)

1012
1013
1016
1018
1020
1023
1024
1026
1027
1028
1030
1031
1031
1032
1032
1031
1030
1030
1029
1029
1029
1028
1027
1027

Ozone (du)

404
405
402
404
407
411
412
411
404
402
395
401
407
396
392
386
384
383
376
374
373
374
373
371

Monday 1

Waxing Gibbous 88%

14:28

04:28

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:25, Set: 16:28, Transit: 11:56. Moon - Rise: 14:28, Set: 04:28. Civil Dark: 17:01 - 06:52. Nautical Dark: 17:37 - 06:16. Astro Dark: 18:12 - 05:41

Total Clouds (% Sky Obscured)

100
100
100
100
99
98
97
98
99
100
100
100
100
97
96
95
97
98
100
100
100
100
70
39

Low Clouds (% Sky Obscured)

81
78
80
77
77
78
77
79
83
85
69
53
36
31
26
21
23
29
32
20
18
13
9
6

Medium Clouds (% Sky Obscured)

100
100
99
99
96
93
90
87
85
79
76
74
71
70
68
64
58
51
55
45
45
39
24
2

High Clouds (% Sky Obscured)

100
100
100
100
77
50
20
43
70
100
100
100
100
93
87
83
87
93
100
90
95
90
63
30

ISS Passover

Visibility (miles)

9
9
9
9
8
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None

Precipitation Probability (%)

1
11
22
28
38
50
70
88
95
95
95
95
95
95
95
95
95
93
72
61
17
24
6
2

Precipitation Amount (mm)

0
0
0
0
0.2
0.2
0.5
0.7
0.8
1.1
1
1
0.7
0.8
0.8
0.8
0.7
0.6
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
65
66
71
75
79
86
94
94
96
96
98
98
98
98
98
98
98
96
96
94
92
92
90

Pressure (mb)

1026
1024
1024
1023
1022
1021
1020
1019
1018
1018
1017
1017
1016
1016
1015
1013
1012
1012
1011
1012
1011
1011
1012
1012

Ozone (du)

370
373
373
372
372
372
370
368
363
362
362
362
363
362
361
355
353
354
355
363
358
355
354
351

Tuesday 2

Waxing Gibbous 95%

15:02

05:53

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:26, Set: 16:28, Transit: 11:57. Moon - Rise: 15:02, Set: 05:53. Civil Dark: 17:01 - 06:53. Nautical Dark: 17:37 - 06:17. Astro Dark: 18:12 - 05:42

Total Clouds (% Sky Obscured)

5
34
47
55
68
69
72
65
58
53
55
58
46
55
65
89
76
87
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
20
34
45
50
49
53
48
42
37
45
53
46
54
50
48
43
60
77
80
83
86
87
88

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
1
3
15
27
53
57
78
97
97
99
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
4
4
4
4
15
21
60
47
72
98
98
100
100
99
100

ISS Passover

Visibility (miles)

9
7
7
7
5
4
4
4
4
4
4
3
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
Snow
Snow

Precipitation Probability (%)

1
1
1
1
0
0
0
0
0
0
1
2
0
1
1
2
11
9
7
18
22
30
45
53

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
0.1
0.2

Wind Speed/Direction (mph)

5
5
5
5
4
4
4
4
3
3
3
3
3
4
5
6
8
9
10
10
10
11
11
12

Chance of Frost

Temperature (°C)

-6
-7
-7
-8
-9
-9
-10
-10
-10
-10
-11
-10
-7
-5
-3
-2
-1
-1
-1
-1
-1
-1
-0
-0

Feels Like (°C)

-10
-10
-12
-12
-13
-13
-14
-14
-14
-14
-14
-13
-10
-7
-6
-4
-4
-4
-5
-5
-5
-5
-5
-5

Dew Point (°C)

-7
-8
-8
-9
-10
-10
-11
-11
-12
-11
-12
-12
-8
-6
-5
-3
-2
-2
-3
-3
-3
-3
-3
-3

Relative Humidity (%)

90
94
92
92
94
92
92
90
90
90
92
90
92
89
89
87
89
87
86
83
83
81
81
81

Pressure (mb)

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

Ozone (du)

352
351
350
347
348
348
346
343
342
343
343
343
342
341
339
339
339
339
338
338
341
345
348
355

Wednesday 3

Waxing Gibbous 99%

15:49

07:19

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

Sun - Rise: 07:27, Set: 16:28, Transit: 11:57. Moon - Rise: 15:49, Set: 07:19. Civil Dark: 17:00 - 06:54. Nautical Dark: 17:37 - 06:18. Astro Dark: 18:12 - 05:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
91
82
73
50
27
4
5
7
7
5
4
4
4
5
5
18
27

Low Clouds (% Sky Obscured)

89
89
88
87
86
85
85
69
51
35
23
12
0
0
0
0
0
0
0
0
0
0
7
13

Medium Clouds (% Sky Obscured)

100
90
79
67
56
45
34
37
38
43
29
14
0
0
0
0
1
1
2
2
2
3
10
17

High Clouds (% Sky Obscured)

100
100
100
95
87
84
86
60
33
0
0
0
0
0
0
0
5
3
0
1
1
2
1
1

ISS Passover

Visibility (miles)

9
9
8
6
4
3
2
1
4
7
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

59
66
67
65
62
58
49
45
39
30
25
18
1
1
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
14
13
13
12
12
11
11
10
10
11
11
11
11
11
11
11
10
8
7
6
5
4
4

Chance of Frost

Temperature (°C)

-0
-0
-1
-1
-1
-1
-2
-2
-4
-7
-9
-10
-11
-12
-11
-10
-10
-10
-10
-11
-12
-13
-14
-14

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-3
-2
-2
-3
-3
-4
-6
-9
-12
-13
-14
-16
-16
-15
-15
-15
-14
-14
-15
-16
-16
-16

Relative Humidity (%)

81
80
83
87
89
89
89
89
87
85
82
78
75
72
69
66
65
69
72
76
78
79
81
81

Pressure (mb)

1011
1011
1010
1010
1010
1010
1010
1010
1012
1013
1015
1016
1018
1019
1020
1020
1020
1021
1022
1022
1023
1024
1025
1025

Ozone (du)

361
368
368
368
369
367
365
363
362
360
359
362
366
369
374
380
385
387
389
390
387
383
379
374

Thursday 4

Full Moon 100%

16:50

08:38

21 OK
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: 07:28, Set: 16:27, Transit: 11:58. Moon - Rise: 16:50, Set: 08:38. Civil Dark: 17:00 - 06:55. Nautical Dark: 17:37 - 06:19. Astro Dark: 18:12 - 05:43

Total Clouds (% Sky Obscured)

33
37
48
56
68
75
78
76
75
73
82
89
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

19
33
44
53
57
58
64
59
55
51
63
77
93
95
96
98
97
95
94
91
88
85

Medium Clouds (% Sky Obscured)

21
18
18
22
25
27
27
37
38
41
49
56
64
64
69
69
68
60
57
70
83
96

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
11
11
2
25
49
72
79
86
92
95
95
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
5
4
2
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

Precipitation Type

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

Precipitation Probability (%)

0
3
5
3
16
24
26
25
22
10
30
37
37
32
37
40
43
53
57
63
66
64

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
4
4
4
4
3
3
4
4
4
5
5
7
10
10
11
12
12
13
13
12
11

Chance of Frost

Temperature (°C)

-14
-14
-14
-14
-14
-14
-14
-13
-13
-12
-12
-9
-7
-4
-3
-3
-2
-2
-3
-3
-3
-3

Feels Like (°C)

-17
-17
-17
-16
-16
-17
-17
-16
-17
-17
-17
-14
-13
-12
-12
-11
-10
-6
-6
-7
-7
-7

Dew Point (°C)

-16
-17
-16
-16
-16
-16
-16
-15
-15
-14
-13
-10
-8
-5
-5
-4
-3
-4
-5
-6
-6
-6

Relative Humidity (%)

83
81
83
81
83
83
84
84
86
88
88
90
90
92
91
89
89
86
82
78
78
78

Pressure (mb)

1025
1025
1025
1024
1024
1024
1023
1023
1023
1022
1022
1022
1021
1020
1019
1018
1017
1016
1015
1014
1014
1013

Ozone (du)

370
365
363
360
357
356
355
353
352
351
350
343
337
330
325
320
316
313
310
307
311
314

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

Generated: 28/11/25 21:22:35. Forecast: 28/11/25 to 04/12/25. Timezone: UTC-5.00