Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 1%

08:22

14:39

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

Sun - Rise: 08:12, Set: 15:51, Transit: 12:01. Moon - Rise: 08:22, Set: 14:39. Civil Dark: 16:32 - 07:31. Nautical Dark: 17:17 - 06:46. Astro Dark: 17:58 - 06:05

Total Clouds (% Sky Obscured)

33
43
39
72
67
79
40
39
49
50
53
59
53
56
29
34
41
43
42
40
40
44
61
67

Low Clouds (% Sky Obscured)

33
36
39
51
53
70
40
39
49
50
53
59
53
56
29
34
41
43
42
40
40
44
53
56

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
51
60

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
15
65

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
9
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
13
14
15
16
16
15
13
12
12
12
11
10
9
8
7
7
6
7
7
7
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
83
78
79
77
78
79
81
87
91
93
93
93
94
94
96
94
94
94
94
96
96
96
94

Pressure (mb)

1011
1012
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1017
1017
1016
1016
1016
1015
1015
1014
1014
1013
1013
1012

Ozone (du)

360
355
354
359
355
341
332
304
293
283
277
279
278
278
279
281
285
287
285
284
292
288
287
288

Saturday 20

New Moon 0%

09:15

15:34

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
06 Bad
07 Bad

Sun - Rise: 08:13, Set: 15:51, Transit: 12:02. Moon - Rise: 09:15, Set: 15:34. Civil Dark: 16:33 - 07:31. Nautical Dark: 17:17 - 06:47. Astro Dark: 17:59 - 06:05

Total Clouds (% Sky Obscured)

61
56
50
69
53
48
48
53
51
59
66
60
58
55
71
81
87
90
94
93
97
95
100
95

Low Clouds (% Sky Obscured)

55
56
50
69
53
48
48
53
51
59
66
60
58
55
71
76
71
69
76
80
94
88
91
89

Medium Clouds (% Sky Obscured)

46
0
0
0
0
0
0
0
0
0
20
24
25
25
25
29
60
59
53
76
51
74
100
89

High Clouds (% Sky Obscured)

43
0
0
0
0
0
1
5
34
40
50
55
50
45
55
50
62
72
74
68
62
65
65
65

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
3
5
30
45
74
95

Precipitation Type

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

Precipitation Probability (%)

0
0
0
1
1
0
0
0
0
0
0
0
0
1
4
21
14
30
43
39
44
19
33
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
93
91
90
87
87
88
90
91
94
94
94
94
94
93
91
89
91
93
94
96
96
96

Pressure (mb)

1012
1012
1012
1011
1010
1009
1009
1008
1008
1008
1007
1007
1007
1007
1007
1006
1006
1006
1006
1005
1005
1005
1005
1005

Ozone (du)

290
295
293
288
288
292
296
297
301
306
306
306
306
307
305
305
302
297
301
311
315
317
316
321

Sunday 21

Waxing Crescent 2%

09:55

16:42

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
06 Bad
07 Bad

Sun - Rise: 08:13, Set: 15:51, Transit: 12:02. Moon - Rise: 09:55, Set: 16:42. Civil Dark: 16:33 - 07:32. Nautical Dark: 17:18 - 06:47. Astro Dark: 17:59 - 06:06

Total Clouds (% Sky Obscured)

96
92
93
98
97
99
98
99
99
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

92
80
80
90
93
96
88
89
82
82
100
93
96
100
99
99
92
86
79
80
80
81
83
84

Medium Clouds (% Sky Obscured)

44
64
58
73
88
92
89
92
98
100
100
90
92
100
94
100
94
100
100
99
98
97
88
79

High Clouds (% Sky Obscured)

69
69
69
74
80
83
89
87
78
100
97
91
61
100
60
100
88
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
8
9
9
9
9
9

Fog (%)

98
98
71
71
86
94
93
28
12
5
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
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

30
9
3
6
22
32
34
24
33
58
34
38
12
8
18
32
26
46
56
61
51
48
30
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0.2
0.3
0
0
0
0

Wind Speed/Direction (mph)

11
11
12
12
11
11
11
11
9
9
8
7
7
6
6
7
7
8
8
8
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
93
93
95
93
93
93
95
95
96
96
94
91
91
93
94
96
98
98
94
94
93

Pressure (mb)

1005
1006
1006
1005
1005
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1005

Ozone (du)

327
336
342
349
361
373
380
382
383
381
383
384
384
384
382
381
382
381
382
384
387
388
390
392

Monday 22

Waxing Crescent 6%

10:23

17:57

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
06 Bad
07 Bad

Sun - Rise: 08:13, Set: 15:52, Transit: 12:03. Moon - Rise: 10:23, Set: 17:57. Civil Dark: 16:34 - 07:32. Nautical Dark: 17:18 - 06:48. Astro Dark: 18:00 - 06:06

Total Clouds (% Sky Obscured)

100
100
99
99
99
100
100
100
100
99
99
100
100
100
100
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

87
90
93
96
87
69
82
77
73
72
74
76
68
55
54
55
86
95
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

71
75
79
73
65
39
69
51
17
23
25
43
63
61
57
71
40
48
40
40
43
35
37
49

High Clouds (% Sky Obscured)

100
82
63
45
63
82
100
78
62
46
50
41
41
48
54
53
38
21
36
30
32
43
10
6

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
8

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 (%)

8
7
6
2
1
1
0
0
0
0
1
1
1
2
1
0
2
3
1
11
16
26
35
40

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
5
5
4
4
4
4
3
3
3
4
3
4
4
4
4
4
5
5

Relative Humidity (%)

93
91
91
90
88
87
88
90
91
91
91
93
91
91
91
93
93
93
94
93
93
93
94
96

Pressure (mb)

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

Ozone (du)

392
391
391
392
392
391
392
391
393
395
397
395
394
395
395
396
395
395
393
391
389
390
389
389

Tuesday 23

Waxing Crescent 12%

10:44

19:17

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
06 Bad
07 Bad

Sun - Rise: 08:14, Set: 15:53, Transit: 12:03. Moon - Rise: 10:44, Set: 19:17. Civil Dark: 16:34 - 07:33. Nautical Dark: 17:19 - 06:48. Astro Dark: 18:01 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
92
89
99
99
100
100
100
100
97
94
92
95
97
100
94
88

Low Clouds (% Sky Obscured)

100
100
100
100
95
90
85
83
82
80
97
98
100
100
100
100
97
94
92
95
97
99
94
88

Medium Clouds (% Sky Obscured)

65
73
75
71
22
11
0
2
0
2
14
27
39
34
42
44
38
20
14
9
5
0
0
1

High Clouds (% Sky Obscured)

4
26
50
73
80
79
74
53
36
11
35
37
39
32
33
34
28
22
17
15
11
7
5
4

ISS Passover

Visibility (miles)

6
1
0
0
0
8
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 (%)

35
33
36
32
25
16
15
11
12
12
20
22
23
18
17
21
19
14
7
9
12
12
14
14

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

Chance of Frost

Temperature (°C)

5
5
5
5
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
100
98
96
93
91
90
86
86
86
90
90
90
90
90
91
90
91
89
88
86
86

Pressure (mb)

1010
1011
1011
1011
1012
1012
1012
1013
1013
1014
1014
1018
1019
1019
1020
1020
1020
1021
1022
1022
1023
1023
1024
1024

Ozone (du)

389
389
388
390
389
388
388
387
386
385
385
386
387
388
389
390
392
390
387
385
382
379
376
375

Wednesday 24

Waxing Crescent 19%

10:59

20:36

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 OK
04 OK
05 Good
06 OK
07 OK

Sun - Rise: 08:14, Set: 15:53, Transit: 12:04. Moon - Rise: 10:59, Set: 20:36. Civil Dark: 16:35 - 07:33. Nautical Dark: 17:19 - 06:49. Astro Dark: 18:01 - 06:07

Total Clouds (% Sky Obscured)

84
86
87
89
86
84
80
78
76
79
84
89
93
82
72
67
61
52
49
37
23
7
15
24

Low Clouds (% Sky Obscured)

84
86
87
89
86
84
80
78
76
79
84
89
92
82
72
67
61
52
49
37
23
7
15
22

Medium Clouds (% Sky Obscured)

2
1
1
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)

2
1
1
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 (%)

13
12
10
6
8
6
0
0
0
0
0
0
0
1
1
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
15
16
16
16
17
17
18
18
18
17
17
18
18
17
16
15
15
14
14
14
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
83
80
77
75
72
68
68
69
68
67
66
66
69
76
80
82
83
85
86
86
86
80

Pressure (mb)

1025
1026
1026
1027
1027
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

375
374
374
375
375
371
368
364
361
358
354
353
352
351
350
349
347
346
344
342
341
339
338
336

Thursday 25

Waxing Crescent 28%

11:11

21:56

Sun - Rise: 08:14, Set: 15:54, Transit: 12:04. Moon - Rise: 11:11, Set: 21:56. Civil Dark: 16:36 - 07:33. Nautical Dark: 17:20 - 06:49. Astro Dark: 18:02 - 06:07

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 Oadby, Leicestershire, United Kingdom (52.60,-1.08)

Generated: 19/12/25 08:14:18. Forecast: 19/12/25 to 25/12/25. Timezone: UTC+0.00