Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 63%

11:42

01:37

07 Good
08 Good
09 OK
10 OK
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: 07:13, Set: 16:20, Transit: 11:47. Moon - Rise: 11:42, Set: 01:37. Civil Dark: 16:52 - 06:42. Nautical Dark: 17:27 - 06:06. Astro Dark: 18:01 - 05:32

Total Clouds (% Sky Obscured)

3
7
47
25
86
100
100
100
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
44
72
82
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
8
40
41
45
100
97
99
100
100
100
100
100
99
100
100
100
90
98
100

High Clouds (% Sky Obscured)

1
7
15
14
86
100
100
100
93
100
100
100
100
100
100
100
100
89
100
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
6
5
2
9
1
6
0
1

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
Snow
Frozen rai
Frozen rai
Frozen rai
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
66
95
95
95
95
95
81
77
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
2
0.9
1.4
2.1
0.3
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
80
66
58
55
56
57
61
72
84
91
91
87
87
83
83
86
94
96
96
98
96
96
98

Pressure (mb)

1021
1021
1021
1021
1020
1018
1017
1017
1016
1016
1016
1016
1015
1014
1014
1012
1011
1010
1008
1007
1005
1003
1002
1001

Ozone (du)

325
324
322
321
320
320
318
316
316
314
311
307
307
307
308
306
309
309
307
306
302
298
298
299

Monday 29

Waxing Gibbous 74%

12:08

02:56

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

Sun - Rise: 07:13, Set: 16:21, Transit: 11:47. Moon - Rise: 12:08, Set: 02:56. Civil Dark: 16:53 - 06:42. Nautical Dark: 17:28 - 06:06. Astro Dark: 18:02 - 05:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
43
26
6
27
30
83
66
85
77
73
64
34
62

Low Clouds (% Sky Obscured)

100
100
100
100
100
92
85
69
80
72
30
43
3
5
27
30
82
51
80
73
65
50
33
59

Medium Clouds (% Sky Obscured)

100
45
52
99
98
99
100
100
100
99
91
23
0
0
0
0
10
0
0
0
13
38
3
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
89
65
55
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
1
9
9
9
9
9
9
9
9
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
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

22
19
26
49
91
95
95
95
95
45
23
3
1
0
0
1
1
14
10
6
1
1
0
0

Precipitation Amount (mm)

0
0
0
0
0.3
1.9
1.4
0.5
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
8
8
9
10
9
8
12
13
11
14
12
13
13
14
14
14
14
15
15
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
100
98
96
98
96
87
81
85
69
76
77
68
71
70
71
75
69
63
62
58
60

Pressure (mb)

1000
998
998
996
995
993
992
991
989
989
989
990
990
990
991
991
992
992
993
994
994
994
995
996

Ozone (du)

300
301
299
298
297
294
294
298
298
307
313
326
341
340
338
335
340
341
344
346
350
353
358
365

Tuesday 30

Waxing Gibbous 84%

12:39

04:17

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: 07:14, Set: 16:22, Transit: 11:48. Moon - Rise: 12:39, Set: 04:17. Civil Dark: 16:53 - 06:42. Nautical Dark: 17:29 - 06:07. Astro Dark: 18:03 - 05:33

Total Clouds (% Sky Obscured)

62
65
78
87
92
95
96
92
85
84
76
78
59
79
84
78
81
69
83
92
100
100
100
100

Low Clouds (% Sky Obscured)

59
59
70
78
85
89
91
87
78
81
76
78
59
76
76
72
74
49
42
28
16
11
9
20

Medium Clouds (% Sky Obscured)

0
3
7
23
44
9
5
2
2
2
0
0
0
0
0
0
5
65
77
92
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
18
47
75
100
77
50
2

ISS Passover

Visibility (miles)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
75
66
64
59
58
55
54
54
56
65
76
76
70
69
57
59
59
60
59
57
61
60
60

Pressure (mb)

997
998
999
999
998
998
998
998
999
999
1000
1001
1002
1002
1003
1003
1003
1003
1004
1004
1004
1004
1005
1005

Ozone (du)

370
374
379
389
400
402
399
408
411
421
426
429
427
434
425
407
400
397
402
404
407
408
413
408

Wednesday 31

Waxing Gibbous 92%

13:20

05:37

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: 07:14, Set: 16:22, Transit: 11:48. Moon - Rise: 13:20, Set: 05:37. Civil Dark: 16:54 - 06:42. Nautical Dark: 17:29 - 06:07. Astro Dark: 18:04 - 05:33

Total Clouds (% Sky Obscured)

95
90
83
76
65
82
86
85
76
79
92
98
99
100
100
100
100
100
100
100
99
97
91
89

Low Clouds (% Sky Obscured)

25
24
2
20
37
53
64
60
59
53
46
40
64
81
92
89
85
79
58
39
19
16
2
0

Medium Clouds (% Sky Obscured)

95
90
83
71
23
31
25
81
45
43
92
98
99
99
100
100
100
100
100
100
47
58
57
66

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
24
47
71
81
90
100
67
33
0
0
0
0
0
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 (%)

0
0
0
0
1
1
3
3
1
1
2
0
4
5
6
12
14
13
14
12
5
5
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
64
60
57
52
47
46
49
54
57
62
63
63
62
62
62
70
63
64
63
52
51
53
54

Pressure (mb)

1006
1006
1006
1006
1005
1004
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1005
1005
1005
1006
1007
1007
1007
1008

Ozone (du)

402
401
396
387
383
373
366
368
369
360
359
360
364
367
371
378
382
385
378
367
367
373
373
371

Thursday 1

Waxing Gibbous 97%

14:13

06:48

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

Sun - Rise: 07:14, Set: 16:23, Transit: 11:49. Moon - Rise: 14:13, Set: 06:48. Civil Dark: 16:55 - 06:42. Nautical Dark: 17:30 - 06:07. Astro Dark: 18:04 - 05:33

Total Clouds (% Sky Obscured)

59
27
1
1
2
25
40
45
50
38
58
4
4
4
3
28
53
78
71
68
81
78
72
61

Low Clouds (% Sky Obscured)

0
0
0
0
0
5
5
5
5
4
4
1
1
1
0
23
46
70
58
45
33
22
11
0

Medium Clouds (% Sky Obscured)

50
27
0
0
0
0
0
0
0
0
0
0
0
0
0
7
17
20
24
38
57
52
43
35

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
56
51
45
39
37
35
35
38
40
45
48
49
52
55
59
58
58
59
56
52
49
52
58

Pressure (mb)

1009
1009
1010
1010
1009
1009
1008
1009
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010

Ozone (du)

372
377
384
390
397
398
401
405
409
409
406
400
389
393
398
402
407
413
418
395
373
350
347
345

Friday 2

Waxing Gibbous 100%

15:20

No Set

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

Sun - Rise: 07:14, Set: 16:24, Transit: 11:49. Moon - Rise: 15:20, Set: No Set. Civil Dark: 16:56 - 06:42. Nautical Dark: 17:31 - 06:07. Astro Dark: 18:05 - 05:33

Total Clouds (% Sky Obscured)

42
25
5
24
42
61
71
82
93
86
70
56
52
33
9
7
9
9
7
4
1
3
4
15

Low Clouds (% Sky Obscured)

0
0
0
16
33
49
59
69
79
65
51
37
25
12
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

25
15
0
0
1
1
3
4
5
14
23
32
18
8
1
2
3
2
2
1
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
10
12
2
0
0
0
0
0
0
0
0
0
7
4
1
3
4
15

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
1
1
1
6
8
9
9
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
56
49
45
41
37
33
36
39
43
48
52
58
61
62
65
66
66
66
64
63
63
62
59

Pressure (mb)

1010
1010
1011
1011
1010
1009
1008
1008
1008
1008
1008
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011

Ozone (du)

342
343
344
345
346
346
346
350
354
357
359
360
361
367
372
378
381
385
388
386
384
382
378
373

Saturday 3

Full Moon 99%

16:37

07:46

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

Sun - Rise: 07:14, Set: 16:25, Transit: 11:49. Moon - Rise: 16:37, Set: 07:46. Civil Dark: 16:57 - 06:42. Nautical Dark: 17:32 - 06:07. Astro Dark: 18:06 - 05:33

Total Clouds (% Sky Obscured)

25
26
31
37
37
38
29
46
64
50
34
11
9
12
10
7
4
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
14
27
40
43
34
11
9
12
0
0
0
0

Medium Clouds (% Sky Obscured)

1
1
2
2
2
2
6
31
50
50
34
11
9
12
10
7
3
0

High Clouds (% Sky Obscured)

25
26
31
37
37
38
29
46
64
50
34
11
9
12
10
7
4
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
52
45
39
37
36
35
38
40
43
45
49
53
56
60
63
63
63

Pressure (mb)

1011
1012
1012
1012
1012
1011
1010
1010
1011
1011
1011
1012
1013
1013
1013
1013
1014
1014

Ozone (du)

369
367
365
363
359
355
351
355
359
363
366
368
371
370
370
370
368
367

Forecast for Cedarwood, Middlesex, United States of America (42.36,-71.26)

Generated: 28/12/25 07:06:31. Forecast: 28/12/25 to 03/01/26. Timezone: UTC-5.00