Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waxing Crescent 39%

11:32

23:16

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

Sun - Rise: 08:15, Set: 15:55, Transit: 12:05. Moon - Rise: 11:32, Set: 23:16. Civil Dark: 16:36 - 07:33. Nautical Dark: 17:21 - 06:49. Astro Dark: 18:02 - 06:07

Total Clouds (% Sky Obscured)

0
1
6
25
33
33
38
39
33
40
3
3
3
22
46
49
72
74
87
87
69
88
75
79

Low Clouds (% Sky Obscured)

0
1
6
25
33
33
38
39
33
39
0
0
0
22
46
49
72
74
85
85
69
87
72
75

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
4
5
6
6
7
18
3
3
3
2
0
0
2
3
22
30
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
1

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

Chance of Frost

Temperature (°C)

5
4
3
3
3
3
3
2
2
2
2
2
2
2
3
3
4
4
5
5
6
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
83
86
89
89
91
89
91
89
88
88
88
88
89
93
94
93
93
93
94
93
93
85
82

Pressure (mb)

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

Ozone (du)

337
337
336
335
332
329
325
320
317
315
313
311
309
309
307
306
305
308
307
306
305
303
301
299

Saturday 27

First Quarter 50%

11:43

00:38

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:15, Set: 15:56, Transit: 12:06. Moon - Rise: 11:43, Set: 00:38. Civil Dark: 16:37 - 07:34. Nautical Dark: 17:21 - 06:49. Astro Dark: 18:03 - 06:07

Total Clouds (% Sky Obscured)

81
78
72
74
73
88
80
87
83
73
78
86
83
87
85
83
96
88
92
96
69
85
73
85

Low Clouds (% Sky Obscured)

76
71
67
67
64
86
80
87
83
73
71
85
83
85
85
82
81
79
80
85
64
83
68
76

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
3
5
4
29
8
3
23
42
18
16
9
13
36
30
34
40
22
20
37
26

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
3
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)

17
15
16
15
13
12
11
11
10
10
10
9
8
8
7
7
7
7
7
11
11
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
82
82
82
82
85
93
94
93
93
94
94
94
94
96
96
96
93
78
75
75
75
74

Pressure (mb)

1036
1036
1036
1036
1036
1036
1037
1037
1037
1037
1036
1036
1036
1035
1035
1035
1035
1035
1035
1035
1034
1034
1033
1033

Ozone (du)

297
296
295
294
294
294
292
290
290
291
291
290
290
290
290
288
287
286
285
286
285
285
286
287

Sunday 28

Waxing Gibbous 61%

11:56

02:04

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
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

Sun - Rise: 08:15, Set: 15:56, Transit: 12:06. Moon - Rise: 11:56, Set: 02:04. Civil Dark: 16:38 - 07:34. Nautical Dark: 17:22 - 06:49. Astro Dark: 18:04 - 06:08

Total Clouds (% Sky Obscured)

93
100
92
86
82
67
43
50
61
61
59
70
81
74
74
85
78
79
81
90
90
91
94
96

Low Clouds (% Sky Obscured)

85
73
84
69
63
42
37
40
34
32
39
43
69
62
62
78
72
73
78
88
87
89
92
94

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)

25
34
21
22
21
17
8
12
18
21
24
21
20
9
5
4
4
1
0
0
0
0
0
1

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
2
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
12
12
12
11
10
10
9
7
6
6
6
6
7
9
7
7
6
5
5
6
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
74
75
75
73
73
73
73
75
85
89
93
93
82
76
80
80
80
83
83
79
75
75
72

Pressure (mb)

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

Ozone (du)

287
288
289
287
287
287
289
292
294
294
294
293
293
294
294
292
292
294
294
293
292
290
289
287

Monday 29

Waxing Gibbous 72%

12:14

03:34

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:15, Set: 15:57, Transit: 12:07. Moon - Rise: 12:14, Set: 03:34. Civil Dark: 16:39 - 07:34. Nautical Dark: 17:23 - 06:49. Astro Dark: 18:05 - 06:08

Total Clouds (% Sky Obscured)

95
94
91
91
88
87
82
77
57
67
67
67
76
83
89
88
83
81
77
71
63
60
59
59

Low Clouds (% Sky Obscured)

92
90
88
85
81
80
73
65
21
40
41
30
45
66
86
85
83
81
77
71
63
60
59
59

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)

1
2
2
7
13
19
22
24
25
21
21
19
19
28
33
40
25
6
11
12
17
16
13
10

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
2
0
3
4
4
3
1
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)

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

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
76
75
78
78
78
72
70
83
89
79
68
69
68
63
60
59
59
62
62
62
63
59
63

Pressure (mb)

1029
1029
1030
1030
1030
1031
1031
1031
1031
1032
1032
1032
1032
1033
1033
1033
1033
1034
1034
1034
1034
1034
1034
1033

Ozone (du)

283
278
275
272
273
274
275
276
277
278
279
277
277
276
274
273
274
276
277
277
278
281
283
286

Tuesday 30

Waxing Gibbous 82%

12:40

05:09

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

Sun - Rise: 08:15, Set: 15:58, Transit: 12:07. Moon - Rise: 12:40, Set: 05:09. Civil Dark: 16:40 - 07:34. Nautical Dark: 17:24 - 06:49. Astro Dark: 18:06 - 06:08

Total Clouds (% Sky Obscured)

43
23
5
10
15
9
31
22
9
9
10
7
14
22
28
71
97
100
81
63
44
38
31
25

Low Clouds (% Sky Obscured)

40
18
0
1
1
1
0
0
1
1
0
0
14
22
28
3
6
9
11
12
13
19
22
22

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
5
0
0
0
0
0
0
0
50
35
35
32
14
4
2
2
0

High Clouds (% Sky Obscured)

8
6
5
10
15
2
12
7
1
3
5
5
3
2
0
56
56
56
49
33
16
11
6
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-4
-3
-3
-2
-2
-2

Relative Humidity (%)

63
68
73
76
78
81
81
83
83
84
86
86
86
83
81
80
75
71
66
68
67
67
68
68

Pressure (mb)

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

Ozone (du)

291
296
302
302
303
303
307
308
308
310
311
311
314
312
313
314
316
317
318
319
319
320
321
323

Wednesday 31

Waxing Gibbous 91%

13:21

06:40

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

Sun - Rise: 08:15, Set: 15:59, Transit: 12:08. Moon - Rise: 13:21, Set: 06:40. Civil Dark: 16:41 - 07:34. Nautical Dark: 17:25 - 06:49. Astro Dark: 18:07 - 06:08

Total Clouds (% Sky Obscured)

18
13
9
17
25
31
33
34
38
41
44
48
65
82
99
89
82
79
79
79
71
69
73
73

Low Clouds (% Sky Obscured)

14
10
4
13
21
30
32
34
37
37
34
34
33
25
22
24
27
30
38
45
49
53
59
64

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
20
43
60
33
15
0
8
16
22
36
43
60

High Clouds (% Sky Obscured)

4
8
9
7
4
1
0
0
0
2
4
7
30
50
64
52
49
43
41
38
41
46
50
50

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
1
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
8
7
7
7
7
7
7
7
7
8
8
9
10
11
11
12
12
13
13
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
73
77
81
81
83
83
83
83
83
81
83
81
86
91
96
94
93
93
91
89
88
85
85

Pressure (mb)

1029
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1025
1024
1024
1024
1023
1023
1023
1022
1022
1022
1021

Ozone (du)

324
323
322
321
317
313
310
309
309
309
305
302
298
296
294
292
292
291
291
295
299
303
306
309

Thursday 1

Waxing Gibbous 97%

14:22

07:58

15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Good
21 OK
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

Sun - Rise: 08:15, Set: 16:01, Transit: 12:08. Moon - Rise: 14:22, Set: 07:58. Civil Dark: 16:42 - 07:33. Nautical Dark: 17:26 - 06:49. Astro Dark: 18:07 - 06:08

Total Clouds (% Sky Obscured)

68
64
61
45
29
12
33
52
69
81
82
76
78
81
84
91
95
97
98
99
100

Low Clouds (% Sky Obscured)

61
59
56
40
24
8
25
39
55
64
71
70
55
42
26
31
39
44
60
76
90

Medium Clouds (% Sky Obscured)

58
46
39
26
13
0
0
1
1
14
27
39
31
24
18
28
38
48
65
83
100

High Clouds (% Sky Obscured)

45
34
31
23
22
12
22
23
31
40
57
76
78
68
53
60
68
78
85
93
100

ISS Passover

Visibility (miles)

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

Fog (%)

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
Very Light Rain

Precipitation Probability (%)

3
4
1
2
2
0
1
2
1
4
9
5
14
17
4
8
9
11
30
43
55

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

Wind Speed/Direction (mph)

15
14
13
12
12
12
13
12
12
14
14
13
12
11
11
10
9
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
80
82
79
76
73
76
79
82
85
86
89
88
89
91
91
91
93
94
94

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021

Ozone (du)

312
314
315
317
315
313
312
300
288
277
276
274
273
272
270
269
270
271
271
271
270

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

Generated: 26/12/25 15:29:23. Forecast: 26/12/25 to 01/01/26. Timezone: UTC+0.00