Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 31

Waxing Gibbous 91%

12:42

06:35

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

Sun - Rise: 08:11, Set: 16:01, Transit: 12:06. Moon - Rise: 12:42, Set: 06:35. Civil Dark: 16:42 - 07:30. Nautical Dark: 17:25 - 06:47. Astro Dark: 18:06 - 06:06

Total Clouds (% Sky Obscured)

51
36
25
19
22
12
12
23
31
6
7
20
3
12
36
16
32
25
31
37
93
100
100
87

Low Clouds (% Sky Obscured)

0
0
0
12
22
12
6
11
26
0
0
0
0
0
12
16
32
25
30
21
16
3
46
44

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
3

High Clouds (% Sky Obscured)

0
0
0
0
1
2
6
22
18
4
7
12
3
8
16
3
24
4
21
22
93
100
100
87

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
89
83
80
76
74
76
82
88
89
89
88
88
91
92
94
94
94
91
91
89
87
73

Pressure (mb)

1032
1032
1031
1031
1030
1029
1029
1028
1027
1026
1026
1025
1025
1024
1023
1022
1021
1020
1019
1018
1017
1016
1014
1013

Ozone (du)

309
307
306
307
307
304
307
309
311
309
308
306
301
302
303
302
303
305
306
302
298
299
298
302

Thursday 1

Waxing Gibbous 97%

13:24

No Set

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 OK
00 OK
01 Good
02 OK
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:11, Set: 16:02, Transit: 12:06. Moon - Rise: 13:24, Set: No Set. Civil Dark: 16:43 - 07:30. Nautical Dark: 17:26 - 06:47. Astro Dark: 18:07 - 06:06

Total Clouds (% Sky Obscured)

100
100
93
78
100
100
85
71
63
82
82
88
85
78
69
53
23
4
1
1
5
20
68
95

Low Clouds (% Sky Obscured)

46
81
54
66
58
52
44
34
48
40
33
51
42
65
63
47
18
4
0
0
0
9
28
85

Medium Clouds (% Sky Obscured)

29
22
11
0
2
0
1
0
22
54
44
77
65
61
55
22
23
0
1
1
5
20
68
88

High Clouds (% Sky Obscured)

99
100
89
75
100
100
83
71
56
50
49
50
50
45
40
30
23
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
4
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
0
3
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
Light Rain
Snow
None
None

Precipitation Probability (%)

0
1
7
16
4
0
0
0
0
9
0
1
1
0
0
0
0
0
0
3
59
84
50
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
71
74
77
91
89
79
75
76
85
86
83
83
88
88
86
86
89
89
91
91
94
91
89

Pressure (mb)

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

Ozone (du)

309
318
325
344
372
386
387
390
392
387
376
373
372
372
371
372
373
371
374
377
370
369
368
370

Friday 2

Waxing Gibbous 100%

14:25

07:52

07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
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

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)

91
86
86
70
33
36
20
27
20
18
0
0
1
0
0
0
0
0
1
0
0
0
0
0

Low Clouds (% Sky Obscured)

91
86
74
33
32
32
9
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

55
50
45
27
0
0
20
27
20
18
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

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

Precipitation Probability (%)

47
64
36
8
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.7
0.1
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
8
10
10
12
14
13
13
12
11
11
10
10
10
10
11
11
11
11
11
11
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
84
73
65
63
63
65
66
70
74
78
80
77
77
74
72
74
75
74
71
69
71
72

Pressure (mb)

1006
1006
1007
1007
1007
1006
1006
1006
1007
1007
1007
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

374
378
380
383
385
386
387
385
385
383
380
370
361
357
354
350
349
352
354
356
362
366
372
377

Saturday 3

Full Moon 99%

15:46

08:49

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

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 - 06:46. Astro Dark: 18:09 - 06:05

Total Clouds (% Sky Obscured)

0
15
4
1
2
2
3
62
8
5
3
0
0
0
0
0
0
0
0
17
1
0
0
1

Low Clouds (% Sky Obscured)

0
10
0
0
0
0
0
5
0
0
0
0
0
0
0
0
0
0
0
17
1
0
0
1

Medium Clouds (% Sky Obscured)

0
15
4
1
2
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
69
64
60
58
56
56
59
63
68
71
69
67
68
72
73
73
71
71
71
75
76
79

Pressure (mb)

1010
1010
1011
1011
1012
1012
1012
1012
1013
1013
1014
1015
1015
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

378
376
375
373
369
365
361
356
354
348
348
349
347
347
349
351
354
356
354
346
341
342
347
350

Sunday 4

Waning Gibbous 96%

17:17

09:26

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

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)

1
1
0
0
0
0
1
3
4
8
29
43
40
38
45
56
69
55
41
27
48
70
92
71

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
5
7
28
49
69
55
41
26
41
54
69
57

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
8
13
18
13
7
2
11
15
19
29
40
38
21

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
5
18
23
21
10
6
3
1
5
8
10
8
5
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
11

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
7
6
7
8
8
8
8
7
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
81
78
72
67
64
67
73
80
91
92
92
94
92
94
92
92
92
89
89
89
89
87
86

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

349
349
349
350
350
351
354
355
354
354
356
358
361
364
367
368
368
369
372
375
378
380
382
384

Monday 5

Waning Gibbous 90%

18:48

09:50

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

Sun - Rise: 08:10, Set: 16:07, Transit: 12:08. Moon - Rise: 18:48, Set: 09:50. Civil Dark: 16:47 - 07:29. Nautical Dark: 17:30 - 06:46. Astro Dark: 18:11 - 06:05

Total Clouds (% Sky Obscured)

48
25
20
16
16
12
8
2
19
39
60
62
64
63
64
65
67
70
72
78
83
82
84
86

Low Clouds (% Sky Obscured)

42
25
17
9
0
0
0
0
15
31
43
47
49
50
51
57
60
70
72
78
76
77
71
72

Medium Clouds (% Sky Obscured)

7
0
16
16
16
12
8
2
4
6
7
7
6
6
3
1
0
7
16
21
20
26
31
33

High Clouds (% Sky Obscured)

0
0
2
2
4
2
1
0
0
0
0
0
0
0
0
0
0
1
2
3
12
24
38
40

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 (%)

15
17
16
12
0
0
0
0
1
2
3
3
2
0
0
0
0
0
1
1
7
9
9
10

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
6
7
8
8
8
8
8
8
8
8
8
7
7
7
7
7
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-6
-6
-6
-7
-6
-5
-4
-4
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3

Relative Humidity (%)

82
79
76
70
65
59
62
69
74
77
81
84
86
87
89
89
89
89
89
89
89
91
89
89

Pressure (mb)

1022
1023
1023
1024
1024
1024
1024
1024
1024
1025
1025
1025
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

382
380
379
377
375
374
377
379
382
380
378
376
372
368
364
361
359
357
355
353
351
354
356
358

Tuesday 6

Waning Gibbous 83%

20:14

10:07

Sun - Rise: 08:09, Set: 16:08, Transit: 12:09. Moon - Rise: 20:14, Set: 10:07. Civil Dark: 16:48 - 07:29. Nautical Dark: 17:31 - 06:46. Astro Dark: 18:12 - 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: 31/12/25 07:51:04. Forecast: 31/12/25 to 06/01/26. Timezone: UTC+0.00