Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 84%

12:37

04:17

06 Bad
07 Bad
08 OK
09 OK
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 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:13, Set: 16:20, Transit: 11:47. Moon - Rise: 12:37, Set: 04:17. Civil Dark: 16:51 - 06:42. Nautical Dark: 17:27 - 06:06. Astro Dark: 18:01 - 05:32

Total Clouds (% Sky Obscured)

59
54
40
42
78
81
80
78
77
80
78
81
100
98
100
91
74
36
43
38
57
68
58
55

Low Clouds (% Sky Obscured)

30
37
40
42
66
71
69
67
65
68
66
71
81
90
99
87
62
24
9
8
27
48
34
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
34
30
2
40
67
51
24
0
0
0
0
0
0
0
1
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
0
66
29
35
12
0
0
0
0
0
4
50

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
0
0
0
0
0
0
7
9
7
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)

20
18
16
15
15
16
17
17
16
16
16
16
16
16
15
14
15
14
14
14
14
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-12
-12
-13
-12
-12
-12
-11
-11
-12
-12
-13
-13
-13
-13
-12
-12
-12
-11
-11
-12
-12
-11
-11

Dew Point (°C)

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

Relative Humidity (%)

61
61
59
57
56
55
54
53
53
53
55
55
56
54
55
55
56
60
61
59
57
63
65
62

Pressure (mb)

995
996
996
997
997
997
997
997
997
997
997
998
999
999
1000
1000
1001
1001
1001
1002
1003
1003
1003
1004

Ozone (du)

378
384
391
395
399
405
410
413
413
433
438
438
436
430
424
426
422
426
427
422
421
420
417
418

Wednesday 31

Waxing Gibbous 92%

13:18

05:37

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:14, Set: 16:20, Transit: 11:47. Moon - Rise: 13:18, Set: 05:37. Civil Dark: 16:52 - 06:42. Nautical Dark: 17:28 - 06:06. Astro Dark: 18:02 - 05:32

Total Clouds (% Sky Obscured)

100
100
81
88
87
91
95
94
96
90
99
100
65
84
100
100
100
100
100
100
100
100
100
83

Low Clouds (% Sky Obscured)

0
0
5
5
5
26
41
54
64
47
79
61
2
26
21
50
57
59
83
91
88
70
72
58

Medium Clouds (% Sky Obscured)

100
100
76
86
87
86
91
85
88
66
96
100
65
44
100
100
100
99
100
100
100
100
100
25

High Clouds (% Sky Obscured)

59
66
70
74
65
70
16
32
50
45
45
47
40
59
83
100
30
53
99
79
65
25
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
0
0
0
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
Snow
Snow
Snow
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
5
23
43
58
55
39
17
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-12
-11
-11
-10
-10
-9
-9
-9
-9
-8
-9
-9
-8
-8
-9
-9
-8
-7
-5
-5
-4
-5
-5

Relative Humidity (%)

62
61
62
60
58
57
57
57
55
57
62
60
63
65
68
68
65
67
78
91
92
92
87
84

Pressure (mb)

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

Ozone (du)

414
408
403
403
409
414
411
408
387
385
393
397
395
399
409
403
397
394
402
407
410
414
418
426

Thursday 1

Waxing Gibbous 97%

14:11

No Set

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

Sun - Rise: 07:14, Set: 16:21, Transit: 11:47. Moon - Rise: 14:11, Set: No Set. Civil Dark: 16:53 - 06:42. Nautical Dark: 17:29 - 06:06. Astro Dark: 18:03 - 05:32

Total Clouds (% Sky Obscured)

100
97
91
38
22
38
78
78
8
2
2
2
41
16
0
0
0
3
1
2
3
3
12
64

Low Clouds (% Sky Obscured)

61
62
63
38
21
38
76
76
8
2
2
0
2
2
0
0
0
2
1
1
2
2
2
3

Medium Clouds (% Sky Obscured)

85
62
52
0
0
0
0
0
0
0
0
2
41
16
0
0
0
0
0
0
0
0
6
64

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
0
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

Snow
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 (%)

49
24
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)

0.2
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
11
12
13
13
14
13
13
13
13
13
12
11
11
10
10
9
9
9
8
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-8
-9
-11
-10
-10
-10
-11
-12
-11
-12
-13
-13
-15
-14
-14
-14
-14
-13
-13
-13
-13
-13
-13

Dew Point (°C)

-5
-4
-9
-10
-11
-12
-13
-14
-13
-14
-14
-16
-17
-17
-17
-17
-17
-17
-16
-15
-15
-15
-15
-15

Relative Humidity (%)

82
94
66
65
60
58
53
51
53
52
56
53
51
50
50
53
56
57
61
65
68
68
65
65

Pressure (mb)

1000
1000
1001
1002
1003
1003
1003
1003
1005
1005
1006
1007
1008
1009
1009
1010
1010
1010
1010
1010
1011
1010
1010
1010

Ozone (du)

436
439
435
430
416
405
397
388
394
409
408
410
422
421
415
406
384
371
368
368
368
368
364
363

Friday 2

Waxing Gibbous 100%

15:18

06:49

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

Sun - Rise: 07:14, Set: 16:22, Transit: 11:48. Moon - Rise: 15:18, Set: 06:49. Civil Dark: 16:54 - 06:42. Nautical Dark: 17:29 - 06:06. Astro Dark: 18:04 - 05:32

Total Clouds (% Sky Obscured)

62
26
40
53
41
33
67
66
66
32
36
51
70
37
16
4
5
7
40
41
5
5
23
42

Low Clouds (% Sky Obscured)

7
2
4
4
3
5
50
57
57
29
34
48
61
35
16
1
1
1
6
12
4
5
22
40

Medium Clouds (% Sky Obscured)

62
14
19
29
23
16
10
8
6
3
3
3
3
1
1
0
0
0
0
0
0
0
0
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
1
3
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)

8
8
8
9
10
11
11
11
10
8
6
4
4
4
4
5
5
4
4
6
6
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-13
-12
-11
-10
-9
-10
-10
-9
-7
-8
-9
-9
-9
-9
-9
-8
-9
-10
-11
-9
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

64
62
61
58
51
48
46
46
48
51
57
67
71
70
73
74
77
80
83
79
76
77
76
74

Pressure (mb)

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

Ozone (du)

362
362
366
366
368
364
361
364
362
360
363
363
361
362
367
371
369
361
353
353
349
348
349
351

Saturday 3

Full Moon 99%

16:34

07:47

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

Sun - Rise: 07:14, Set: 16:23, Transit: 11:48. Moon - Rise: 16:34, Set: 07:47. Civil Dark: 16:55 - 06:42. Nautical Dark: 17:30 - 06:06. Astro Dark: 18:04 - 05:32

Total Clouds (% Sky Obscured)

60
44
28
11
25
47
67
71
71
62
70
63
67
69
80
84
57
31
6
16
27
37
27
21

Low Clouds (% Sky Obscured)

60
44
28
11
25
45
62
63
64
62
57
49
40
37
33
29
23
16
6
6
3
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
11
20
29
46
63
67
69
80
84
57
31
0
4
8
15
17
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
30
63
67
57
28
0
0
0
0
13
21
6
3
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
1
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
6
6
8
9
10
11
11
11
10
10
9
8
6
6
6
6
6
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
71
68
60
50
47
44
43
45
49
53
55
58
61
61
61
59
57
56
54
57
58
61
62

Pressure (mb)

1008
1009
1009
1010
1010
1010
1009
1009
1010
1010
1011
1011
1012
1013
1013
1014
1014
1015
1015
1015
1016
1016
1017
1017

Ozone (du)

350
351
353
356
357
358
361
363
368
373
378
382
387
387
385
384
383
382
381
380
380
380
380
382

Sunday 4

Waning Gibbous 95%

17:55

08:31

06 Good
07 Good
08 Good
09 Good
10 OK
11 Bad
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

Sun - Rise: 07:14, Set: 16:24, Transit: 11:49. Moon - Rise: 17:55, Set: 08:31. Civil Dark: 16:56 - 06:42. Nautical Dark: 17:31 - 06:07. Astro Dark: 18:05 - 05:32

Total Clouds (% Sky Obscured)

16
15
12
10
36
60
85
89
93
95
80
75
70
65
31
16
16
12
7
8
10
11
11
11

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
10
11
11
11

Medium Clouds (% Sky Obscured)

16
15
8
2
3
3
2
3
3
8
12
17
35
55
31
16
16
12
7
8
10
4
3
2

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
1
2
2
3
2
0
12
23
16
16
12
7
8
10
2
4
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
62
58
54
50
49
46
44
46
49
52
54
57
60
60
60
60
62
63
64
64
67
68
70

Pressure (mb)

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

Ozone (du)

384
386
383
381
378
376
373
371
363
356
348
345
341
337
335
333
332
332
332
332
333
334
335
336

Monday 5

Waning Gibbous 89%

19:13

09:05

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

Sun - Rise: 07:13, Set: 16:25, Transit: 11:49. Moon - Rise: 19:13, Set: 09:05. Civil Dark: 16:57 - 06:42. Nautical Dark: 17:32 - 06:06. Astro Dark: 18:06 - 05:32

Total Clouds (% Sky Obscured)

11
11
12
13
10
11
13
40
69
95
96
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

11
11
12
13
10
11
13
40
65
52
49
62
77
87
93
100
96
92
89

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
28
61
86
91
95
99
99
98
98
96
94
92

High Clouds (% Sky Obscured)

4
8
11
13
10
11
13
40
44
15
10
5
0
50
70
90
74
84
97

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
1
0
12
22
33
70
92
95
86
70
43
30
17
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.7
0.7
0.6
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
71
67
62
59
56
53
50
54
59
63
64
66
67
70
74
78
79
81

Pressure (mb)

1018
1018
1017
1017
1017
1015
1014
1012
1012
1011
1011
1010
1010
1010
1010
1009
1009
1008
1008

Ozone (du)

336
337
340
343
346
344
342
340
341
342
344
346
348
350
353
355
358
359
361

Forecast for Boxford, Essex, United States of America (42.66,-70.99)

Generated: 30/12/25 06:48:26. Forecast: 30/12/25 to 05/01/26. Timezone: UTC-5.00