Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waxing Gibbous 72%

12:15

03:43

16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
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: 08:24, Set: 15:59, Transit: 12:12. Moon - Rise: 12:15, Set: 03:43. Civil Dark: 16:41 - 07:42. Nautical Dark: 17:26 - 06:57. Astro Dark: 18:08 - 06:14

Total Clouds (% Sky Obscured)

94
86
79
70
37
29
47
66
69
62
78
80
76
84
73
87
65
61
74
79
78
67
78
64

Low Clouds (% Sky Obscured)

46
35
56
53
5
7
26
46
56
46
69
77
76
80
66
82
47
23
47
40
38
0
34
45

Medium 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

High Clouds (% Sky Obscured)

37
35
60
42
37
29
37
40
41
32
45
21
2
2
1
2
2
10
14
32
22
6
2
14

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
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
2
1
1
0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-0
1
1
1
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

66
63
65
68
73
78
77
77
63
57
54
53
53
54
60
56
55
58
59
59
58
58
58
61

Pressure (mb)

1031
1031
1031
1032
1032
1033
1033
1033
1034
1034
1034
1035
1035
1035
1035
1036
1036
1037
1037
1037
1037
1037
1037
1037

Ozone (du)

276
272
273
274
274
271
272
273
275
278
280
285
291
292
296
303
304
302
304
304
304
302
302
299

Tuesday 30

Waxing Gibbous 82%

12:40

05:19

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

Sun - Rise: 08:24, Set: N/A, Transit: 12:12. Moon - Rise: 12:40, Set: 05:19. Civil Dark: 16:41 - 07:42. Nautical Dark: 17:27 - 06:57. Astro Dark: 18:09 - 06:14

Total Clouds (% Sky Obscured)

61
25
7
4
3
2
1
22
1
1
1
1
22
32
25
29
58
52
85
81
71
47
60
67

Low Clouds (% Sky Obscured)

44
3
0
0
0
0
0
22
0
0
0
0
22
32
25
29
58
49
82
77
66
34
50
62

Medium 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

High Clouds (% Sky Obscured)

15
23
4
2
1
1
0
0
0
0
0
0
0
0
0
1
4
5
5
25
30
37
35
5

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

Chance of Frost

Temperature (°C)

4
3
3
2
1
1
1
0
0
0
0
0
0
-0
-1
-1
-0
-1
1
2
3
3
4
3

Feels Like (°C)

1
0
0
0
0
-1
-1
-0
-1
-0
-0
0
-1
-1
-1
-1
-1
-2
-2
-2
-1
-1
-1
-1

Dew Point (°C)

-2
-2
-2
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-2
-3
-2
-2
-1
-1
-1
-1

Relative Humidity (%)

66
68
72
72
73
74
75
77
78
78
78
80
81
80
83
83
86
86
83
80
76
75
71
75

Pressure (mb)

1037
1037
1036
1037
1037
1037
1036
1036
1036
1035
1035
1035
1034
1033
1033
1033
1032
1032
1031
1030
1029
1029
1028
1027

Ozone (du)

301
301
303
306
306
304
304
306
306
306
307
308
310
311
311
311
310
310
311
314
315
312
311
309

Wednesday 31

Waxing Gibbous 91%

13:19

06:52

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 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK

Sun - Rise: 08:24, Set: 16:00, Transit: 12:13. Moon - Rise: 13:19, Set: 06:52. Civil Dark: 16:42 - 07:42. Nautical Dark: 17:28 - 06:57. Astro Dark: 18:10 - 06:14

Total Clouds (% Sky Obscured)

53
51
63
65
60
72
81
85
97
82
93
100
99
100
100
100
93
89
64
54
60
66
57
26

Low Clouds (% Sky Obscured)

53
51
63
65
60
72
79
56
36
73
83
84
91
92
89
100
85
85
59
36
35
33
34
26

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
16
35
44
45
29
20
15
0
2
1
1
0
2

High Clouds (% Sky Obscured)

4
12
6
6
5
11
13
61
90
40
41
97
86
100
100
25
21
13
26
26
16
15
15
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
4
0
0
0
6
10
24
23
40
46
75
32
8
2
4
4
2
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
7
7
7
7
7
10
14
13
12
13
14
15
15
15
16
15
15
13
14
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
76
77
77
79
80
77
67
65
76
76
75
73
79
88
82
86
66
67
66
66
67
67

Pressure (mb)

1026
1026
1025
1024
1023
1022
1021
1020
1019
1018
1017
1016
1014
1013
1012
1010
1010
1010
1010
1009
1009
1009
1008
1008

Ozone (du)

306
304
306
307
307
307
306
306
302
297
295
302
310
314
316
322
326
344
363
386
395
393
390
389

Thursday 1

Waxing Gibbous 97%

14:20

08:10

16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
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: 08:24, Set: 16:01, Transit: 12:13. Moon - Rise: 14:20, Set: 08:10. Civil Dark: 16:43 - 07:42. Nautical Dark: 17:29 - 06:57. Astro Dark: 18:11 - 06:14

Total Clouds (% Sky Obscured)

25
27
28
28
29
30
32
71
61
59
57
66
75
80
80
78
75
89
92
98
99
99
39
100

Low Clouds (% Sky Obscured)

25
27
28
28
29
30
32
34
24
13
3
5
14
19
32
47
40
61
67
69
76
70
39
82

Medium Clouds (% Sky Obscured)

3
7
6
4
2
2
2
3
6
5
22
41
37
45
45
13
30
57
74
89
93
97
32
20

High Clouds (% Sky Obscured)

1
3
3
1
1
0
1
20
15
20
25
20
20
25
25
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
1
8
8
3
6
8
6
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
Very Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

3
2
1
1
0
0
0
0
2
2
0
1
1
6
22
15
17
50
61
38
32
34
36
42

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

13
11
10
9
9
8
7
5
4
4
3
4
4
5
8
9
9
12
12
10
10
7
8
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-1
-1
-2
-2
-2
-3
-3
-3
-3
-3
-3
-4
-3
1
-1
-1
1
1
-0
-0
-2
-2

Relative Humidity (%)

69
69
71
72
72
70
70
72
72
73
73
71
71
70
73
94
81
80
89
88
77
76
72
72

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1006
1006
1005
1005
1004
1004
1003
1003
1002
1002
1002
1002

Ozone (du)

386
384
383
382
379
376
370
366
360
355
352
349
346
341
340
339
341
340
338
340
340
335
333
330

Friday 2

Waxing Gibbous 100%

15:43

09:06

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

Sun - Rise: 08:23, Set: 16:02, Transit: 12:14. Moon - Rise: 15:43, Set: 09:06. Civil Dark: 16:45 - 07:41. Nautical Dark: 17:30 - 06:56. Astro Dark: 18:12 - 06:14

Total Clouds (% Sky Obscured)

100
100
84
20
12
81
79
70
6
63
3
1
28
57
75
58
44
49
43
24
16
9
11
23

Low Clouds (% Sky Obscured)

73
69
57
13
8
8
13
0
1
2
0
1
4
6
44
47
44
34
18
1
1
0
0
13

Medium Clouds (% Sky Obscured)

31
25
20
17
12
65
61
50
2
36
1
0
21
50
45
29
14
28
43
24
16
9
11
23

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)

7
5
7
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

43
43
36
27
15
14
10
1
1
0
0
0
0
0
3
3
0
0
0
0
0
0
1
3

Precipitation Amount (mm)

0
0.1
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
3
2
6
4
3
4
4
4
4
3
3
4
3
4
4
3
3
4
4
4
5
5
6

Chance of Frost

Temperature (°C)

2
1
1
1
0
-0
-1
-1
-1
-1
-1
-1
-1
-2
-2
-1
-2
-2
-1
0
1
1
0
0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
84
78
74
71
72
72
70
68
68
67
67
67
68
70
71
74
75
70
66
61
61
61
61

Pressure (mb)

1002
1002
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1000
1000
1000
1002
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

329
326
329
335
344
345
352
361
370
379
388
396
401
406
412
415
418
421
422
422
423
423
423
422

Saturday 3

Full Moon 99%

No Rise

09:40

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

Sun - Rise: 08:23, Set: 16:04, Transit: 12:14. Moon - Rise: No Rise, Set: 09:40. Civil Dark: 16:46 - 07:41. Nautical Dark: 17:31 - 06:56. Astro Dark: 18:13 - 06:14

Total Clouds (% Sky Obscured)

28
31
36
45
55
47
40
41
34
28
22
18
20
20
14
7
0
4
10
18
24
28
32
44

Low Clouds (% Sky Obscured)

26
31
36
45
54
47
40
41
34
28
22
13
7
0
0
0
0
4
10
18
21
24
25
21

Medium Clouds (% Sky Obscured)

16
4
12
20
28
19
9
0
3
5
6
7
9
11
8
6
0
0
0
0
0
0
0
11

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 (%)

4
4
10
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

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

Chance of Frost

Temperature (°C)

0
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
0
1
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
71
77
77
77
75
74
71
68
67
65
64
62
59
56
54
52
49
48
46
46
48
52
56

Pressure (mb)

1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004

Ozone (du)

420
417
414
413
412
411
402
392
383
383
383
383
380
377
373
375
376
378
380
382
384
386
388
390

Sunday 4

Waning Gibbous 96%

17:16

10:02

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

Sun - Rise: 08:23, Set: 16:05, Transit: 12:14. Moon - Rise: 17:16, Set: 10:02. Civil Dark: 16:47 - 07:41. Nautical Dark: 17:32 - 06:56. Astro Dark: 18:14 - 06:14

Total Clouds (% Sky Obscured)

56
64
75
86
97
93
84
54
44
44
43
48
44
49
48
47
46
36
26
24

Low Clouds (% Sky Obscured)

18
11
21
31
41
31
21
11
10
10
11
8
5
3
2
1
0
0
0
0

Medium Clouds (% Sky Obscured)

23
32
47
56
61
56
50
50
44
40
30
31
32
38
47
47
46
36
26
22

High Clouds (% Sky Obscured)

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

9
10
11
9
7
5
5
4
4
4
3
3
2
2
2
1
2
2
2
3

Chance of Frost

Temperature (°C)

1
1
1
0
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
56
54
61
68
75
78
78
81
78
76
74
71
70
66
66
64
64
62
59

Pressure (mb)

1004
1004
1005
1005
1006
1007
1008
1008
1009
1009
1010
1010
1011
1011
1011
1012
1013
1013
1014
1014

Ozone (du)

391
392
393
391
390
388
388
388
388
385
383
380
381
381
382
383
384
385
386
387

Forecast for Timperley, Trafford, United Kingdom (53.40,-2.32)

Generated: 29/12/25 16:00:55. Forecast: 29/12/25 to 04/01/26. Timezone: UTC+0.00