Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 63%

12:01

02:03

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
07 Bad

Sun - Rise: 07:41, Set: 16:35, Transit: 12:08. Moon - Rise: 12:01, Set: 02:03. Civil Dark: 17:08 - 07:08. Nautical Dark: 17:44 - 06:31. Astro Dark: 18:19 - 05:56

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
100
100
100

Low Clouds (% Sky Obscured)

66
62
15
0
0
0
4
0
31
30
79
90
96
92
89
100
100
94
100
86
95
100
80
90

Medium Clouds (% Sky Obscured)

34
51
99
100
100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
100
98
91

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
26

ISS Passover

Visibility (miles)

4
6
9
9
9
9
9
9
9
9
9
6
6
3
1
0
0
0
0
0
0
0
0
4

Fog (%)

83
84
80
68
57
37
6
4
2
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
Snow
Frozen rai
Frozen rai
Frozen rai
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
5
34
95
95
95
95
95
95
95
95
95
95
95
95
95
90
60

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.9
2
2.7
2.5
2.6
2.2
1.2
0.9
1.1
1.5
2.6
3.6
1.3
0.7
0

Wind Speed/Direction (mph)

6
4
5
5
5
7
7
7
7
6
8
9
8
9
8
9
7
8
9
10
10
10
14
17

Chance of Frost

Temperature (°C)

-11
-9
-8
-6
-5
-4
-3
-3
-3
-3
-3
-2
-1
-1
-0
0
1
2
2
3
3
4
5
6

Feels Like (°C)

-15
-14
-13
-10
-8
-8
-7
-7
-7
-7
-7
-7
-5
-5
-4
-4
-2
-2
-3
-2
-3
-1
-1
-1

Dew Point (°C)

-12
-11
-9
-8
-7
-6
-5
-4
-4
-4
-4
-3
-2
-1
-1
-0
1
2
2
3
3
4
5
5

Relative Humidity (%)

90
90
88
85
85
85
87
89
89
91
92
94
94
96
98
98
98
98
98
100
100
100
100
96

Pressure (mb)

1021
1020
1019
1018
1016
1014
1013
1012
1012
1010
1009
1007
1005
1003
1001
999
998
996
995
993
991
990
989
988

Ozone (du)

313
313
316
317
316
315
314
316
318
317
319
320
321
323
321
321
321
319
313
315
314
314
319
328

Monday 29

Waxing Gibbous 74%

12:25

03:24

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
07 Bad

Sun - Rise: 07:41, Set: 16:35, Transit: 12:08. Moon - Rise: 12:25, Set: 03:24. Civil Dark: 17:08 - 07:08. Nautical Dark: 17:45 - 06:31. Astro Dark: 18:20 - 05:56

Total Clouds (% Sky Obscured)

100
100
71
91
98
98
99
96
100
98
94
100
82
100
91
100
96
89
92
100
92
91
86
94

Low Clouds (% Sky Obscured)

100
100
71
77
70
90
97
81
100
70
67
100
5
81
75
71
67
52
68
71
79
66
63
30

Medium Clouds (% Sky Obscured)

55
50
42
30
84
93
90
83
100
93
74
73
61
96
61
100
89
85
89
99
55
41
53
37

High Clouds (% Sky Obscured)

25
0
0
0
0
0
0
50
2
48
0
0
2
60
0
2
20
3
3
33
7
4
3
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

54
53
25
21
37
40
33
39
53
44
31
26
25
31
27
22
17
7
3
3
11
2
2
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
18
21
21
23
25
24
24
24
20
21
21
21
20
20
19
19
19
19
18
17
16
16
16

Chance of Frost

Temperature (°C)

5
4
3
2
1
0
-1
0
-1
-1
-2
-4
-5
-6
-7
-8
-8
-8
-9
-10
-10
-10
-11
-11

Feels Like (°C)

-2
-3
-7
-7
-8
-9
-10
-10
-10
-10
-11
-13
-14
-15
-16
-16
-16
-17
-17
-18
-18
-18
-19
-19

Dew Point (°C)

5
3
-0
-3
-3
-2
-2
-4
-3
-5
-8
-8
-8
-10
-10
-11
-12
-13
-14
-15
-15
-16
-16
-17

Relative Humidity (%)

98
91
80
70
76
83
87
75
86
75
65
70
75
76
80
80
72
67
64
64
64
65
65
63

Pressure (mb)

987
988
989
989
988
988
988
987
987
987
987
989
989
990
992
993
994
995
997
997
998
999
1000
1001

Ozone (du)

337
342
342
346
363
382
395
396
404
413
417
416
405
394
383
381
379
380
374
380
384
396
404
409

Tuesday 30

Waxing Gibbous 84%

12:55

04:47

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

Sun - Rise: 07:41, Set: 16:36, Transit: 12:09. Moon - Rise: 12:55, Set: 04:47. Civil Dark: 17:09 - 07:08. Nautical Dark: 17:46 - 06:31. Astro Dark: 18:21 - 05:56

Total Clouds (% Sky Obscured)

95
93
83
89
94
96
100
57
4
3
4
23
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

62
63
63
25
32
38
22
5
0
0
0
0
0
0
0
0
0
10
25
34
51
68
85
87

Medium Clouds (% Sky Obscured)

79
82
65
86
90
90
100
17
0
0
1
13
93
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

3
5
60
4
14
11
29
7
4
3
3
23
97
92
49
64
84
68
61
55
4
3
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
3
4
4
8
1
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 (%)

1
2
1
3
2
1
1
0
0
0
0
0
1
4
6
10
14
27
14
15
21
30
21
37

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)

16
16
17
17
17
17
16
16
15
15
15
15
14
13
11
11
10
10
9
8
7
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-19
-19
-19
-18
-18
-17
-16
-16
-16
-15
-14
-14
-15
-14
-13
-12
-13
-13
-11
-12
-12
-12
-12
-12

Dew Point (°C)

-17
-17
-17
-16
-15
-14
-14
-14
-14
-15
-15
-14
-14
-13
-12
-12
-11
-10
-9
-9
-10
-10
-9
-9

Relative Humidity (%)

64
63
63
63
64
65
65
65
61
60
60
61
63
66
66
67
70
76
80
80
80
80
82
82

Pressure (mb)

1001
1002
1003
1003
1002
1002
1002
1002
1003
1003
1004
1004
1004
1004
1004
1003
1002
1002
1002
1002
1001
1001
1001
1001

Ozone (du)

426
419
424
432
439
436
429
433
443
439
428
429
426
421
416
403
391
384
378
372
372
376
373
376

Wednesday 31

Waxing Gibbous 92%

13:34

06:08

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

Sun - Rise: 07:41, Set: 16:37, Transit: 12:09. Moon - Rise: 13:34, Set: 06:08. Civil Dark: 17:10 - 07:08. Nautical Dark: 17:47 - 06:32. Astro Dark: 18:22 - 05:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
60
18
4
2
6
5
7
5
6
13
20
27
22
20
10
20

Low Clouds (% Sky Obscured)

90
92
92
91
91
72
53
34
21
10
0
0
1
1
1
1
2
3
2
4
3
3
1
20

Medium Clouds (% Sky Obscured)

100
100
67
71
85
99
100
80
50
18
0
0
2
2
2
3
3
10
15
16
11
7
3
1

High Clouds (% Sky Obscured)

9
7
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
2

ISS Passover

Visibility (miles)

9
9
9
2
7
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

42
47
54
57
37
31
32
15
11
7
1
2
2
1
1
1
0
1
2
1
3
3
3
3

Precipitation Amount (mm)

0
0
0.1
0.2
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
5
6
7
8
10
10
11
12
11
10
10
10
9
8
8
8
7
7
6
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-11
-12
-12
-12
-12
-12
-12
-13
-13
-13
-14
-14
-15
-15
-15
-15
-15
-16
-16
-16
-16
-16
-16

Dew Point (°C)

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

Relative Humidity (%)

79
71
67
80
76
65
61
61
58
62
63
62
61
61
61
59
61
61
61
63
64
66
67
66

Pressure (mb)

1001
1001
1001
1001
1001
1000
1001
1002
1002
1003
1004
1005
1006
1007
1007
1007
1008
1008
1008
1008
1008
1009
1009
1009

Ozone (du)

375
379
381
394
403
406
407
418
421
420
423
424
420
410
403
398
395
402
412
417
416
420
413
395

Thursday 1

Waxing Gibbous 98%

14:26

07:19

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

Sun - Rise: 07:41, Set: 16:38, Transit: 12:09. Moon - Rise: 14:26, Set: 07:19. Civil Dark: 17:11 - 07:08. Nautical Dark: 17:47 - 06:32. Astro Dark: 18:23 - 05:56

Total Clouds (% Sky Obscured)

41
43
47
46
71
60
34
52
56
39
18
13
9
5
9
18
29
44
49
54
47
38
28
42

Low Clouds (% Sky Obscured)

41
43
47
46
71
54
33
16
12
7
1
0
0
0
0
0
0
0
0
0
0
0
0
12

Medium Clouds (% Sky Obscured)

0
3
3
2
0
0
0
0
3
4
5
3
1
0
1
2
5
8
19
31
29
25
19
30

High Clouds (% Sky Obscured)

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

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 (%)

4
4
5
7
10
15
20
31
23
21
18
32
31
14
27
25
10
19
21
10
19
20
14
26

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-15
-15
-13
-12
-12
-12
-12
-13
-13
-13
-13
-13
-14
-13
-13
-13
-14
-14
-13
-13
-13
-13
-14

Dew Point (°C)

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

Relative Humidity (%)

62
54
49
49
50
54
55
59
62
56
54
55
55
56
58
60
61
61
62
64
65
66
68
66

Pressure (mb)

1009
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

392
388
384
377
370
368
377
381
386
387
389
386
377
367
358
353
347
342
342
343
343
348
354
359

Friday 2

Waxing Gibbous 100%

15:33

No Set

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 OK
00 Good
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:41, Set: 16:39, Transit: 12:10. Moon - Rise: 15:33, Set: No Set. Civil Dark: 17:12 - 07:08. Nautical Dark: 17:48 - 06:32. Astro Dark: 18:23 - 05:57

Total Clouds (% Sky Obscured)

55
69
69
70
67
68
68
68
69
66
66
66
67
66
43
22
2
23
45
67
75
84
92
90

Low Clouds (% Sky Obscured)

25
37
34
31
27
26
25
24
25
30
53
63
67
66
43
22
0
21
42
63
61
59
58
61

Medium Clouds (% Sky Obscured)

37
43
42
46
51
56
61
66
69
66
66
66
67
60
36
16
2
4
7
9
34
60
85
77

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
5
3
5
7
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
Snow
None
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

25
15
28
28
18
34
38
36
44
45
35
39
34
13
19
16
6
9
10
7
12
12
6
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
6
6
7
8
9
9
9
9
9
8
8
9
9
10
9
9
8
7
7
6
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-15
-15
-15
-15
-15
-16
-15
-14
-13
-13
-13
-14
-14
-14
-14
-14
-14
-14
-13
-13
-13
-14
-15
-16

Relative Humidity (%)

65
62
60
57
52
48
52
57
63
62
62
60
60
61
63
64
67
68
71
74
75
71
66
62

Pressure (mb)

1007
1008
1008
1007
1007
1006
1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1008
1008
1009
1009
1009
1010
1010

Ozone (du)

358
357
356
356
355
355
369
383
398
404
410
417
412
408
403
398
393
388
388
389
390
387
383
380

Saturday 3

Full Moon 99%

16:51

08:16

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 Good
19 Good
20 Good
21 Good
22 OK
23 Good
00 OK

Sun - Rise: 07:41, Set: 16:40, Transit: 12:10. Moon - Rise: 16:51, Set: 08:16. Civil Dark: 17:13 - 07:08. Nautical Dark: 17:49 - 06:32. Astro Dark: 18:24 - 05:57

Total Clouds (% Sky Obscured)

89
87
89
90
91
82
76
70
49
29
9
6
8
10
14
9
6

Low Clouds (% Sky Obscured)

64
68
67
67
66
69
70
69
49
29
9
6
6
6
3
2
0

Medium Clouds (% Sky Obscured)

79
75
80
75
75
64
54
41
25
12
1
1
0
0
1
2
3

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
4
9
9
6
11
10
3
5
4
1
2
2
0
1
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-14
-14
-14
-14
-14
-13
-13
-14
-14
-14
-15
-16
-17
-17
-17
-17

Dew Point (°C)

-16
-16
-16
-15
-14
-13
-14
-14
-15
-16
-16
-17
-18
-19
-20
-21
-22

Relative Humidity (%)

60
57
55
58
61
64
62
60
59
60
62
62
61
60
59
58
57

Pressure (mb)

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

Ozone (du)

382
384
386
391
396
401
402
402
402
396
391
385
382
379
376
374
372

Forecast for Kingston, Canada (44.23,-76.49)

Generated: 28/12/25 08:41:18. Forecast: 28/12/25 to 03/01/26. Timezone: UTC-5.00