Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waxing Gibbous 74%

12:39

02:56

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
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: 07:14, Set: 16:21, Transit: 11:48. Moon - Rise: 12:39, 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
92
80
82
59
80
57
35
63
78
79
45
78
77
79
79
84
76
89
85
76
94
92
84

Low Clouds (% Sky Obscured)

55
38
61
30
46
71
57
35
63
78
71
45
67
65
67
68
78
76
87
81
76
85
80
72

Medium Clouds (% Sky Obscured)

87
59
39
70
0
0
8
2
17
0
0
2
0
0
0
6
29
0
2
2
5
56
61
13

High Clouds (% Sky Obscured)

75
23
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
13
2
24

ISS Passover

Visibility (miles)

5
9
9
9
9
3
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 (%)

51
7
0
3
1
13
2
10
4
1
0
0
0
0
0
0
0
0
0
3
0
3
2
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
8
11
12
11
12
14
13
15
15
15
15
14
15
15
14
14
14
14
15
16
15
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
2
-1
-2
-4
-6
-5
-7
-8
-10
-10
-9
-12
-11
-12
-11
-11
-10
-10
-10
-10
-10
-10

Dew Point (°C)

7
6
4
0
-1
-2
-4
-6
-7
-8
-9
-10
-11
-11
-11
-11
-11
-11
-11
-11
-12
-12
-12
-11

Relative Humidity (%)

96
91
88
75
77
78
71
66
66
64
63
60
59
59
60
63
62
59
57
56
52
52
52
57

Pressure (mb)

989
989
989
990
990
990
991
991
991
992
994
994
994
995
996
996
997
998
999
999
998
998
998
999

Ozone (du)

288
297
305
317
337
333
331
335
335
338
346
357
365
372
378
386
389
396
404
411
416
419
421
437

Tuesday 30

Waxing Gibbous 84%

13:20

04:17

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
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: 07:14, Set: 16:22, Transit: 11:48. Moon - Rise: 13:20, 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)

87
66
71
67
77
52
28
60
72
74
49
53
92
100
100
100
100
100
100
100
100
100
92
100

Low Clouds (% Sky Obscured)

67
44
46
45
69
44
28
38
47
70
38
12
1
3
0
5
35
40
35
24
32
47
79
69

Medium Clouds (% Sky Obscured)

36
1
4
8
2
0
0
0
0
0
3
14
60
100
100
100
100
100
100
100
100
100
69
100

High Clouds (% Sky Obscured)

2
2
2
18
2
0
0
0
0
2
2
20
90
100
100
70
100
100
100
94
100
48
56
66

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
10
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
0
2
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
12
12
14
15
14
13
11
11
12
11
11
10
10
10
10
11
11
11
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
68
67
63
63
63
59
56
56
56
56
57
57
57
59
61
61
61
65
63
56
53
56
58

Pressure (mb)

999
1000
1001
1001
1002
1002
1003
1003
1003
1004
1005
1005
1005
1005
1006
1006
1007
1008
1008
1007
1006
1005
1005
1005

Ozone (du)

443
442
435
433
432
427
424
413
414
416
415
413
421
418
419
416
409
406
409
406
410
395
393
393

Wednesday 31

Waxing Gibbous 92%

14:13

05:37

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 Good
11 Good
12 Good
13 Good
14 Good
15 Good

Sun - Rise: 07:14, Set: 16:22, Transit: 11:49. Moon - Rise: 14:13, 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)

96
66
100
76
99
90
100
100
100
100
100
100
100
91
92
96
100
44
0
5
2
3
6
4

Low Clouds (% Sky Obscured)

61
50
35
19
66
71
55
57
81
88
80
73
70
64
80
91
37
0
0
5
1
1
2
1

Medium Clouds (% Sky Obscured)

92
20
100
46
75
90
100
100
99
100
100
100
47
8
92
96
15
12
0
0
0
0
0
0

High Clouds (% Sky Obscured)

49
5
98
76
99
5
2
39
95
99
100
99
90
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
2
1
2
4
9
0
5
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
2
6
19
24
43
60
53
27
23
4
15
5
1
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
7
8
8
9
9
9
9
8
8
7
9
9
11
12
12
12
13
14
13
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-8
-8
-9
-9
-8
-6
-5
-5
-4
-4
-3
-6
-11
-13
-14
-16
-17
-17
-17
-16
-16

Relative Humidity (%)

63
67
71
71
69
65
63
68
82
87
84
89
83
91
75
55
49
45
41
37
36
37
41
44

Pressure (mb)

1005
1005
1005
1005
1005
1005
1004
1003
1002
1001
1001
1000
999
999
1000
1000
1001
1003
1004
1004
1003
1004
1005
1006

Ozone (du)

389
392
401
403
403
389
388
390
391
390
391
389
396
408
413
429
437
434
417
401
391
379
379
379

Thursday 1

Waxing Gibbous 97%

15:20

06:48

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

Sun - Rise: 07:14, Set: 16:23, Transit: 11:49. Moon - Rise: 15:20, 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)

3
1
0
0
3
3
2
2
1
1
1
1
2
1
0
0
0
0
5
30
22
40
41
31

Low Clouds (% Sky Obscured)

1
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
0
2
21
28
31

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
1
0
0
0
0
5
30
22
4
4
0

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-16
-16
-17
-17
-17
-17
-16
-15
-15
-15
-16
-15
-15
-15
-15
-15
-15
-16
-17
-17
-16
-16
-16
-15

Relative Humidity (%)

45
48
46
47
49
52
56
60
62
62
60
62
64
64
65
64
61
53
44
41
41
41
41
42

Pressure (mb)

1006
1007
1008
1009
1009
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1012
1012
1012
1011
1010
1010
1010
1010

Ozone (du)

392
405
415
415
421
417
409
385
381
375
370
365
367
371
371
365
357
356
350
345
348
349
348
342

Friday 2

Waxing Gibbous 100%

No Rise

07:46

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

Sun - Rise: 07:14, Set: 16:24, Transit: 11:49. Moon - Rise: No Rise, Set: 07:46. Civil Dark: 16:56 - 06:42. Nautical Dark: 17:31 - 06:07. Astro Dark: 18:05 - 05:33

Total Clouds (% Sky Obscured)

15
8
0
0
1
2
2
3
3
4
3
3
2
61
75
50
29
7
6
6
6
23
39
42

Low Clouds (% Sky Obscured)

14
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
5
23
39
42

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
44
44
20
8
0
0
0
1
1
2
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
15
14
9
4
2
1
0
0
0
1

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

Chance of Frost

Temperature (°C)

-5
-6
-6
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-5
-3
-3
-2
-2
-2
-3

Feels Like (°C)

-9
-8
-8
-9
-9
-10
-9
-9
-9
-9
-9
-9
-9
-9
-12
-11
-11
-10
-9
-9
-8
-8
-5
-6

Dew Point (°C)

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

Relative Humidity (%)

48
56
62
67
70
73
76
77
79
82
82
83
83
83
82
79
69
60
52
47
44
41
43
46

Pressure (mb)

1010
1010
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1011
1011
1010
1010
1011

Ozone (du)

341
344
345
349
353
354
358
356
349
342
337
334
332
330
331
334
336
338
340
340
340
340
342
343

Saturday 3

Full Moon 99%

16:37

08:31

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 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 OK
12 Good
13 OK
14 OK
15 Bad

Sun - Rise: 07:14, Set: 16:25, Transit: 11:50. Moon - Rise: 16:37, Set: 08:31. Civil Dark: 16:57 - 06:42. Nautical Dark: 17:32 - 06:07. Astro Dark: 18:06 - 05:33

Total Clouds (% Sky Obscured)

51
72
93
95
99
100
99
97
96
65
39
14
8
3
0
0
0
0
16
22
13
26
37
51

Low Clouds (% Sky Obscured)

51
43
32
55
77
100
86
71
57
38
19
0
0
0
0
0
0
0
0
0
0
1
2
2

Medium Clouds (% Sky Obscured)

20
36
55
60
70
80
95
95
96
65
39
14
8
3
0
0
0
0
15
20
10
8
3
2

High Clouds (% Sky Obscured)

23
44
65
44
23
2
1
0
0
0
0
0
0
0
0
0
0
0
16
22
13
26
26
4

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
3
5
4
4
4
6
3
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)

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

Chance of Frost

Temperature (°C)

-3
-4
-4
-5
-6
-6
-7
-7
-7
-8
-9
-9
-10
-10
-11
-11
-10
-9
-9
-8
-7
-6
-6
-6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
51
53
57
57
58
59
58
56
54
54
54
54
54
54
54
49
44
41
40
40
39
41
44

Pressure (mb)

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

Ozone (du)

344
348
351
355
354
354
353
352
351
350
348
345
343
340
337
335
332
330
328
329
330
331
333
336

Sunday 4

Waning Gibbous 95%

17:57

09:05

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

Sun - Rise: 07:14, Set: 16:26, Transit: 11:50. Moon - Rise: 17:57, Set: 09:05. Civil Dark: 16:58 - 06:42. Nautical Dark: 17:33 - 06:07. Astro Dark: 18:07 - 05:33

Total Clouds (% Sky Obscured)

37
23
13
22
28
32
28
26
24
32
48
64
75
86
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
3
4
4
7
13
21
35
39
42
44
42
49
77
89
96

Medium Clouds (% Sky Obscured)

0
1
1
2
3
3
3
3
3
12
29
45
66
79
92
93
96
99
99
99
99

High Clouds (% Sky Obscured)

4
3
3
7
10
14
3
1
0
0
0
0
33
67
100
90
81
70
47
23
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
28
38
46
52
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
48
52
54
57
59
60
62
63
64
64
63
63
63
63
61
69
77
84
84
85

Pressure (mb)

1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1018

Ozone (du)

338
334
331
327
327
327
327
328
329
331
331
331
331
332
332
333
334
336
337
338
339

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

Generated: 29/12/25 16:47:22. Forecast: 29/12/25 to 04/01/26. Timezone: UTC-5.00