Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waxing Gibbous 72%

11:56

No Set

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:11, Set: 15:59, Transit: 12:05. Moon - Rise: 11:56, Set: No Set. Civil Dark: 16:40 - 07:30. Nautical Dark: 17:23 - 06:47. Astro Dark: 18:05 - 06:05

Total Clouds (% Sky Obscured)

98
96
92
90
86
91
93
97
94
94
91
90
86
88
89
87
99
95
48
58
62
65
83
87

Low Clouds (% Sky Obscured)

81
75
82
82
84
90
93
97
94
93
90
86
80
83
84
81
99
93
48
55
60
58
81
82

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)

58
41
46
42
30
23
26
3
2
2
4
12
42
36
30
32
10
8
6
45
60
49
24
30

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
2
2
0
2
0
0
2
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
6
8
9
9
10
10
11
12
11
10
11
11
9
9
10
12
11
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
94
94
93
82
76
73
75
75
74
72
75
75
73
71
72
75
86
91
88
69
63
63

Pressure (mb)

1030
1029
1029
1029
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1030
1030
1031
1031
1032
1032
1032
1033

Ozone (du)

297
294
291
289
286
285
286
285
287
286
283
283
281
280
277
276
277
278
279
276
275
275
276
277

Tuesday 30

Waxing Gibbous 82%

12:15

03:31

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

Sun - Rise: 08:11, Set: 16:00, Transit: 12:05. Moon - Rise: 12:15, Set: 03:31. Civil Dark: 16:41 - 07:30. Nautical Dark: 17:24 - 06:47. Astro Dark: 18:05 - 06:06

Total Clouds (% Sky Obscured)

81
76
74
68
48
16
44
11
10
17
26
48
26
5
24
64
31
1
1
1
39
70
69
47

Low Clouds (% Sky Obscured)

65
73
68
63
41
11
41
11
5
14
26
48
25
5
24
64
31
0
0
0
39
70
68
47

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)

74
75
41
66
5
16
6
3
5
3
3
5
8
3
2
1
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
1
3
1
9
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
12
10
10
10
9
8
7
8
9
9
9
9
7
6
6
6
6
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
62
64
64
65
69
70
70
67
71
72
74
78
83
86
88
89
89
89
89
91
91
91
91

Pressure (mb)

1033
1033
1033
1033
1034
1035
1035
1036
1036
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1034
1034

Ozone (du)

278
279
280
280
281
287
289
294
300
310
311
309
307
306
307
307
309
311
310
309
312
314
316
317

Wednesday 31

Waxing Gibbous 91%

12:42

05:04

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

Sun - Rise: 08:11, Set: 16:01, Transit: 12:06. Moon - Rise: 12:42, Set: 05:04. Civil Dark: 16:42 - 07:30. Nautical Dark: 17:25 - 06:47. Astro Dark: 18:06 - 06:06

Total Clouds (% Sky Obscured)

0
0
0
0
1
1
1
1
1
25
16
37
43
31
4
3
2
17
22
46
59
69
82
92

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
25
14
28
39
25
0
1
0
0
0
0
0
21
41
54

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)

0
0
0
0
0
0
0
0
0
2
4
21
10
12
4
3
2
11
15
40
59
66
62
62

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
92
91
89
87
81
76
73
74
77
80
88
88
86
83
84
89
91
92
91
91
91

Pressure (mb)

1034
1033
1033
1033
1032
1032
1032
1032
1031
1030
1029
1028
1028
1027
1027
1026
1025
1025
1024
1023
1022
1021
1020
1019

Ozone (du)

315
315
316
317
318
317
314
312
312
312
315
316
315
312
308
307
308
310
312
313
315
315
315
314

Thursday 1

Waxing Gibbous 97%

13:24

06:35

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:11, Set: 16:02, Transit: 12:06. Moon - Rise: 13:24, Set: 06:35. Civil Dark: 16:43 - 07:30. Nautical Dark: 17:26 - 06:47. Astro Dark: 18:07 - 06:06

Total Clouds (% Sky Obscured)

94
97
100
100
100
100
100
100
100
67
100
100
98
86
69
56
63
67
71
71
74
73
67
59

Low Clouds (% Sky Obscured)

41
27
24
40
43
43
52
65
76
60
58
49
49
47
48
53
55
53
51
46
44
45
50
51

Medium Clouds (% Sky Obscured)

0
0
0
17
36
50
53
57
61
59
54
43
34
30
29
31
36
38
41
38
38
23
11
0

High Clouds (% Sky Obscured)

75
87
100
100
100
100
100
100
100
67
100
82
50
39
2
3
6
3
2
2
1
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
1
1
1
4
3
8
9
9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
84
76
77
78
79
77
75
79
83
88
89
93
96
94
93
93
93
91
91
92
92

Pressure (mb)

1018
1017
1015
1014
1013
1012
1012
1011
1010
1009
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005

Ozone (du)

316
314
310
308
308
318
321
324
327
329
332
337
345
350
354
360
363
360
355
351
349
347
345
342

Friday 2

Waxing Gibbous 100%

14:25

07:52

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

Sun - Rise: 08:10, Set: 16:03, Transit: 12:07. Moon - Rise: 14:25, Set: 07:52. Civil Dark: 16:44 - 07:30. Nautical Dark: 17:27 - 06:47. Astro Dark: 18:08 - 06:06

Total Clouds (% Sky Obscured)

49
42
37
36
35
35
35
38
40
38
38
49
57
32
32
17
15
12
20
28
36
54
72
89

Low Clouds (% Sky Obscured)

45
38
29
31
35
35
35
32
30
31
33
33
35
32
32
17
13
8
18
27
36
47
57
67

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
3
5
11
9
14
23
28
1
2
4
5
6
7
8
9
16
31
46

High Clouds (% Sky Obscured)

5
9
13
8
4
0
0
4
12
5
0
0
0
0
0
0
0
0
3
7
12
17
23
24

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
94
94
94
96
94
92
88
81
79
77
79
85
89
93
94
94
94
94
94
92
92
91
89

Pressure (mb)

1005
1005
1005
1004
1005
1004
1004
1004
1004
1004
1003
1002
1002
1002
1002
1001
1001
1001
1001
1001
1000
1000
1000
1000

Ozone (du)

337
325
313
309
304
300
296
291
286
284
283
283
286
289
295
296
299
302
305
305
306
307
310
312

Saturday 3

Full Moon 99%

15:46

08:49

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

Sun - Rise: 08:10, Set: 16:04, Transit: 12:07. Moon - Rise: 15:46, Set: 08:49. Civil Dark: 16:45 - 07:30. Nautical Dark: 17:28 - 06:47. Astro Dark: 18:09 - 06:06

Total Clouds (% Sky Obscured)

85
81
77
77
78
80
82
83
85
71
57
35
24
13
0
0
0
5
5
5
5
10
15
15

Low Clouds (% Sky Obscured)

67
67
67
66
66
66
65
64
62
50
36
26
20
13
0
0
0
5
5
5
5
5
5
5

Medium Clouds (% Sky Obscured)

47
45
51
57
71
80
82
83
82
67
55
30
24
13
0
0
0
5
5
5
5
10
15
15

High Clouds (% Sky Obscured)

29
34
35
29
24
18
14
10
10
10
10
10
15
13
0
0
0
5
5
5
5
10
15
15

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
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
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
2
3
4
3
2
0
17
19
12
27
25
18
37
42
39
43
46
47
44
47
54

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
7
7
7
7
8
8
8
9
9
8
8
8
8
8
8
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
86
83
81
80
77
72
69
66
66
67
69
70
71
71
78
86
94
94
96
96
98
98

Pressure (mb)

999
999
999
998
998
998
998
998
998
998
997
997
996
996
996
996
996
995
995
995
995
995
995
995

Ozone (du)

315
326
336
347
351
355
359
359
359
359
360
361
362
364
367
369
368
366
365
366
367
369
370
370

Sunday 4

Waning Gibbous 96%

17:17

09:26

Sun - Rise: 08:10, Set: 16:06, Transit: 12:08. Moon - Rise: 17:17, Set: 09:26. Civil Dark: 16:46 - 07:30. Nautical Dark: 17:29 - 06:46. Astro Dark: 18:10 - 06:05

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Loughton, Milton Keynes, United Kingdom (52.03,-0.77)

Generated: 29/12/25 03:44:35. Forecast: 29/12/25 to 04/01/26. Timezone: UTC+0.00