Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waxing Gibbous 74%

12:07

02:56

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

Sun - Rise: 07:14, Set: 16:19, Transit: 11:47. Moon - Rise: 12:07, Set: 02:56. Civil Dark: 16:51 - 06:42. Nautical Dark: 17:27 - 06:07. Astro Dark: 18:01 - 05:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
37
65
32
40
41
53
76
41
63
81
78
95
93
88
68

Low Clouds (% Sky Obscured)

99
100
100
92
87
87
70
61
48
37
47
10
40
41
53
76
41
62
77
74
87
66
64
39

Medium Clouds (% Sky Obscured)

100
99
97
100
100
100
100
46
40
10
40
32
0
0
0
29
8
15
0
27
58
48
17
2

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
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

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

Precipitation Probability (%)

95
95
95
95
95
95
72
53
28
21
28
5
2
0
0
1
2
0
1
0
0
0
0
0

Precipitation Amount (mm)

1.6
0.4
1.5
2.9
2.4
1
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
3
3
2
3
4
5
8
9
9
13
10
11
11
12
15
15
15
15
16
15
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
-0
-0
-1
1
1
2
2
2
1
-0
-2
-4
-4
-5
-6
-8
-9
-9
-11
-11
-12
-13
-13

Dew Point (°C)

3
2
2
2
3
3
5
5
5
3
1
-1
-3
-4
-6
-6
-8
-9
-9
-10
-10
-12
-12
-12

Relative Humidity (%)

100
98
98
100
100
98
100
100
93
86
76
76
70
73
68
67
64
63
65
62
64
59
61
63

Pressure (mb)

998
998
997
995
992
991
990
989
988
987
988
989
989
989
989
989
990
991
991
991
992
993
993
994

Ozone (du)

295
295
297
298
296
296
295
296
303
312
315
325
344
337
333
333
335
341
350
357
360
366
371
376

Tuesday 30

Waxing Gibbous 84%

12:38

04:18

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

Sun - Rise: 07:14, Set: 16:20, Transit: 11:47. Moon - Rise: 12:38, Set: 04:18. Civil Dark: 16:52 - 06:42. Nautical Dark: 17:28 - 06:07. Astro Dark: 18:02 - 05:33

Total Clouds (% Sky Obscured)

65
77
78
79
83
82
83
82
80
67
60
42
27
21
3
6
2
10
50
45
100
83
100
100

Low Clouds (% Sky Obscured)

38
65
64
63
67
68
71
71
68
42
31
28
26
21
1
1
1
0
1
1
2
9
40
40

Medium Clouds (% Sky Obscured)

0
0
0
0
1
2
41
33
3
22
31
1
0
0
0
4
0
4
47
45
100
83
100
100

High Clouds (% Sky Obscured)

0
0
0
4
3
3
2
15
6
1
60
9
3
0
0
1
0
2
25
15
23
35
10
52

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
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

-7
-7
-6
-6
-6
-6
-6
-6
-6
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-6
-6
-6
-6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
59
56
56
55
56
58
61
59
59
58
58
58
58
56
55
55
57
59
62
65
67
66
67

Pressure (mb)

995
996
996
996
996
996
997
997
998
998
999
1000
1000
1001
1001
1002
1002
1002
1003
1003
1004
1004
1005
1005

Ozone (du)

386
394
404
410
411
413
423
436
451
443
442
441
430
421
417
426
426
421
417
420
420
413
402
399

Wednesday 31

Waxing Gibbous 92%

13:18

05:38

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 OK
06 OK
07 OK

Sun - Rise: 07:14, Set: 16:21, Transit: 11:48. Moon - Rise: 13:18, Set: 05:38. Civil Dark: 16:53 - 06:42. Nautical Dark: 17:28 - 06:07. Astro Dark: 18:03 - 05:33

Total Clouds (% Sky Obscured)

100
97
58
66
85
100
100
78
88
82
100
100
100
100
100
100
100
98
95
91
88
28
26
17

Low Clouds (% Sky Obscured)

47
44
58
60
69
68
83
57
40
52
56
44
77
63
88
80
60
70
72
75
65
28
26
17

Medium Clouds (% Sky Obscured)

100
97
58
66
70
92
74
16
88
74
100
100
100
100
100
100
100
94
88
41
10
9
8
5

High Clouds (% Sky Obscured)

2
5
5
4
0
23
72
3
30
39
56
67
82
9
7
22
1
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
5
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
1
3
3
2
2
0
0
0
0
2
18
28
29
27
15
24
18
8
9
9
5
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-9
-8
-8
-8
-8
-8
-7
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-6
-10
-11
-13
-14
-16

Relative Humidity (%)

67
70
70
68
64
61
61
63
64
65
67
68
71
69
68
65
64
68
76
63
57
52
53
51

Pressure (mb)

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

Ozone (du)

403
406
402
397
389
383
382
378
377
383
393
399
387
389
386
381
383
396
403
404
409
399
408
415

Thursday 1

Waxing Gibbous 97%

14:11

06:49

08 OK
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 OK
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

Sun - Rise: 07:14, Set: 16:22, Transit: 11:48. Moon - Rise: 14:11, Set: 06:49. Civil Dark: 16:54 - 06:42. Nautical Dark: 17:29 - 06:07. Astro Dark: 18:03 - 05:33

Total Clouds (% Sky Obscured)

9
0
0
0
0
0
13
25
10
4
4
1
0
1
0
1
1
1
0
0
1
0
0
1

Low Clouds (% Sky Obscured)

9
0
0
0
0
0
13
21
7
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

7
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)

12
11
12
12
12
12
11
10
9
7
5
5
6
6
6
6
7
6
6
6
6
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-16
-17
-19
-20
-20
-19
-18
-17
-16
-16
-15
-14
-14
-14
-14
-14
-15
-16
-16
-16
-16
-17
-17
-17

Relative Humidity (%)

50
46
39
34
33
37
39
43
48
52
59
61
63
65
65
65
62
62
61
61
61
58
60
61

Pressure (mb)

1005
1006
1007
1007
1006
1006
1007
1007
1008
1008
1009
1009
1009
1010
1010
1010
1010
1010
1011
1010
1010
1010
1011
1011

Ozone (du)

421
426
422
418
415
418
423
427
417
398
395
394
397
396
412
403
388
375
358
355
353
353
352
365

Friday 2

Waxing Gibbous 100%

15:18

07:47

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

Sun - Rise: 07:14, Set: 16:23, Transit: 11:49. Moon - Rise: 15:18, Set: 07:47. Civil Dark: 16:55 - 06:42. Nautical Dark: 17:30 - 06:07. Astro Dark: 18:04 - 05:33

Total Clouds (% Sky Obscured)

1
0
2
4
6
19
22
30
10
6
1
8
16
21
14
8
2
2
2
2
2
2
2
19

Low Clouds (% Sky Obscured)

0
0
2
4
6
10
13
17
10
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
8
16
21
14
8
0
0
0
0
0
0
0
14

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
1
1
17

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
55
49
44
39
39
38
41
45
56
59
64
65
65
68
67
65
64
64
64
64
64
66
66

Pressure (mb)

1011
1012
1012
1011
1010
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012

Ozone (du)

363
362
365
371
362
357
357
354
362
376
379
379
374
370
365
360
355
349
348
346
345
341
338
334

Saturday 3

Full Moon 99%

16:35

No Set

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

Sun - Rise: 07:14, Set: 16:24, Transit: 11:49. Moon - Rise: 16:35, Set: No Set. Civil Dark: 16:55 - 06:42. Nautical Dark: 17:31 - 06:07. Astro Dark: 18:05 - 05:33

Total Clouds (% Sky Obscured)

35
51
65
77
89
91
92
94
90
89
89
73
57
35
7
5
6
21
37
51
53
54
49
42

Low Clouds (% Sky Obscured)

0
0
10
20
30
40
51
61
63
64
66
44
22
0
0
0
0
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

29
43
58
69
85
91
92
94
87
80
69
36
27
14
6
5
6
17
29
43
41
39
37
25

High Clouds (% Sky Obscured)

33
50
63
71
85
51
29
11
14
26
39
26
13
0
0
0
0
4
19
45
39
25
9
11

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
59
56
52
49
47
50
53
57
60
65
69
70
71
73
74
74
75
71
68
63
65
66
69

Pressure (mb)

1012
1013
1013
1012
1012
1011
1012
1012
1012
1013
1014
1014
1015
1015
1015
1016
1016
1017
1017
1018
1019
1020
1020
1021

Ozone (du)

331
327
324
325
326
327
328
329
330
333
336
339
341
343
345
348
350
352
349
347
344
339
334
329

Sunday 4

Waning Gibbous 95%

17:55

08:32

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

Sun - Rise: 07:14, Set: 16:25, Transit: 11:49. Moon - Rise: 17:55, Set: 08:32. Civil Dark: 16:56 - 06:42. Nautical Dark: 17:32 - 06:07. Astro Dark: 18:06 - 05:33

Total Clouds (% Sky Obscured)

37
32
19
10
4
17
33
48
51
59
64
51
39
26
27
27
28

Low Clouds (% Sky Obscured)

0
0
0
0
0
4
6
4
4
15
34
38
27
17
19
17
19

Medium Clouds (% Sky Obscured)

12
0
0
0
0
0
4
4
9
15
16
14
10
11
10
10
10

High Clouds (% Sky Obscured)

15
17
11
3
0
0
0
0
34
59
64
51
39
26
27
27
28

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
22
27

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-17
-19
-20
-19
-18
-18
-17
-17
-16
-16
-16
-17
-17
-17
-17
-17
-17

Relative Humidity (%)

57
47
40
38
38
37
41
45
49
51
53
54
54
55
55
55
56

Pressure (mb)

1022
1023
1023
1023
1023
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1023

Ozone (du)

329
328
327
328
329
330
328
326
323
323
324
324
323
323
322
322
321

Forecast for Andover, Essex, United States of America (42.66,-71.14)

Generated: 29/12/25 08:44:34. Forecast: 29/12/25 to 04/01/26. Timezone: UTC-5.00