Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Full Moon 100%

15:39

09:13

19 Bad
20 Bad
21 Bad
22 OK
23 OK
00 OK
01 Good
02 Good
03 Good
04 Good
05 Good
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

Sun - Rise: 07:59, Set: 15:51, Transit: 11:55. Moon - Rise: 15:39, Set: 09:13. Civil Dark: 16:31 - 07:18. Nautical Dark: 17:15 - 06:34. Astro Dark: 17:57 - 05:53

Total Clouds (% Sky Obscured)

88
77
69
14
14
15
5
0
0
0
1
98
100
96
69
85
87
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

44
50
32
14
14
15
5
0
0
0
0
20
48
38
34
26
40
41
48
57
71
76
100
100

Medium Clouds (% Sky Obscured)

36
0
0
0
0
0
0
0
0
0
0
0
45
93
69
85
87
92
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
92
100
74
61
69
80
47
100
48
100
45
100
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
6
2

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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

13
6
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
27
72
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
1.5
1.5

Wind Speed/Direction (mph)

11
10
10
9
9
8
7
7
7
7
6
6
6
7
9
10
11
13
13
16
18
19
23
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

999
999
1000
1001
1002
1002
1003
1004
1004
1005
1005
1005
1005
1006
1006
1005
1005
1004
1003
1002
1000
999
998
996

Ozone (du)

343
342
342
345
348
349
352
357
359
349
345
345
337
332
325
326
320
315
315
310
308
305
306
306

Friday 5

Waning Gibbous 98%

16:52

10:20

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 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:00, Set: 15:50, Transit: 11:55. Moon - Rise: 16:52, Set: 10:20. Civil Dark: 16:31 - 07:19. Nautical Dark: 17:15 - 06:35. Astro Dark: 17:57 - 05:54

Total Clouds (% Sky Obscured)

100
100
96
95
89
85
66
64
65
62
100
93
66
90
90
100
100
100
100
100
100
100
98
100

Low Clouds (% Sky Obscured)

100
100
90
76
76
74
66
64
63
48
61
70
59
81
82
82
100
75
91
86
79
89
63
70

Medium Clouds (% Sky Obscured)

41
91
57
30
81
25
1
30
30
52
100
80
28
55
73
88
85
85
96
100
100
99
73
81

High Clouds (% Sky Obscured)

35
35
0
0
0
0
0
35
35
35
100
63
55
38
50
100
89
52
100
100
100
71
96
100

ISS Passover

Visibility (miles)

8
3
5
9
9
9
9
9
9
9
9
9
9
5
6
8
9
9
9
4
9
9
9
9

Fog (%)

0
0
0
0
0
0
5
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
70
45
54
36
4
34
28
25
26
39
47
67
39
60
60
44
63
68
30
27
30
35

Precipitation Amount (mm)

1
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0.2
0
0.4
0.5
0
0
0
0

Wind Speed/Direction (mph)

27
24
24
19
16
15
14
15
16
17
17
18
17
19
19
19
16
16
17
20
17
17
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
91
94
87
85
90
85
85
85
87
88
88
88
91
87
88
87
88
88
85
82
84
84

Pressure (mb)

995
994
993
992
991
991
991
991
991
990
991
991
991
991
991
992
992
992
992
993
994
994
995
996

Ozone (du)

309
306
308
308
307
308
310
305
302
302
304
301
298
295
295
293
292
292
292
289
290
291
291
288

Saturday 6

Waning Gibbous 93%

18:20

11:05

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 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:01, Set: 15:50, Transit: 11:56. Moon - Rise: 18:20, Set: 11:05. Civil Dark: 16:31 - 07:20. Nautical Dark: 17:15 - 06:36. Astro Dark: 17:57 - 05:55

Total Clouds (% Sky Obscured)

97
85
94
100
97
87
62
95
100
100
100
100
100
100
87
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

83
83
88
91
86
84
48
38
39
42
33
35
36
49
63
64
86
88
90
92
92
92
92
92

Medium Clouds (% Sky Obscured)

96
33
29
45
37
24
4
0
0
0
97
97
69
61
55
60
49
60
87
100
100
100
100
47

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
94
100
100
100
68
100
100
76
100
100
100
100
100
100
100
100
87

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
2
0
0
0
0
0
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

44
15
4
2
0
0
0
0
0
0
0
1
1
0
2
8
9
10
74
95
83
65
79
70

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.5
0.3
0.4
0.3

Wind Speed/Direction (mph)

18
18
18
18
18
16
16
14
12
10
9
8
7
6
7
7
8
10
10
9
9
10
12
14

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
8
7
7
6
6
6
6
7
8
8
9
9
10
10
10
11
11

Feels Like (°C)

4
4
4
4
3
4
4
3
3
3
3
4
3
3
4
5
6
6
6
7
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

85
85
82
82
82
85
88
90
93
93
96
96
94
94
96
96
96
98
98
98
100
98
98
96

Pressure (mb)

997
997
998
999
999
1000
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1001
1000
999
999
998
997
997

Ozone (du)

290
292
290
287
288
289
288
288
288
289
289
291
292
292
293
293
294
293
295
298
299
299
299
299

Sunday 7

Waning Gibbous 86%

No Rise

11:33

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 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:02, Set: 15:50, Transit: 11:56. Moon - Rise: No Rise, Set: 11:33. Civil Dark: 16:31 - 07:21. Nautical Dark: 17:15 - 06:37. Astro Dark: 17:56 - 05:56

Total Clouds (% Sky Obscured)

99
99
99
100
99
90
90
87
79
75
54
61
59
68
80
90
100
86
72
59
72
85
100
87

Low Clouds (% Sky Obscured)

95
97
98
75
99
86
49
45
38
27
19
51
36
39
32
30
34
44
46
34
37
42
43
42

Medium Clouds (% Sky Obscured)

41
35
41
44
50
33
15
0
2
20
54
55
49
4
26
78
84
50
29
40
60
82
92
80

High Clouds (% Sky Obscured)

71
57
34
29
1
7
15
15
14
25
30
40
35
40
60
80
100
75
50
35
25
25
35
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

Very Light Rain
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 (%)

59
37
27
24
25
33
34
30
20
9
0
0
0
0
1
2
1
6
5
2
4
3
1
3

Precipitation Amount (mm)

0.2
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)

14
15
18
17
19
21
18
17
18
16
15
14
14
14
15
16
16
16
17
16
16
14
14
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
7
7
6
5
5
4
4
4
3
3
4
4
5
5
6
7
7
7
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

91
90
88
90
91
80
78
84
87
90
91
91
90
93
90
88
87
90
88
88
90
91
93
95

Pressure (mb)

997
996
996
996
997
997
998
999
1000
1001
1001
1002
1002
1002
1003
1003
1004
1004
1004
1004
1005
1005
1006
1006

Ozone (du)

299
299
299
299
301
299
299
298
297
298
301
304
311
316
318
320
322
324
325
325
324
328
331
335

Monday 8

Waning Gibbous 77%

19:50

11:52

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 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:03, Set: 15:50, Transit: 11:56. Moon - Rise: 19:50, Set: 11:52. Civil Dark: 16:31 - 07:22. Nautical Dark: 17:15 - 06:38. Astro Dark: 17:56 - 05:57

Total Clouds (% Sky Obscured)

76
71
81
90
98
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
63
48
61
42
50
51
51
51
49
49
75
80
86
87
88
90
90
90
90
93
92
92
91

Medium Clouds (% Sky Obscured)

66
63
75
81
56
83
76
76
84
77
80
82
87
96
98
99
100
99
95
92
93
95
97
89

High Clouds (% Sky Obscured)

25
15
39
63
86
90
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
4
3
5
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

7
10
14
4
0
0
0
3
7
5
5
32
48
64
87
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.7
0.9
1.1
1.3
1.4
1.2
1.1
1.2
0.9

Wind Speed/Direction (mph)

13
12
12
13
13
13
12
11
10
9
7
6
9
10
12
13
15
17
16
16
17
18
19
21

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
9
9
8
8
9
10
10
10
10
11
11
12
12
12
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
95
91
90
88
90
90
91
93
95
95
95
95
95
95
95
95
93
95
93
93
92

Pressure (mb)

1007
1007
1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1008
1007
1007
1005
1004
1003
1001
1000
999
998
998
998

Ozone (du)

339
342
343
342
340
336
335
331
327
315
309
305
303
302
300
298
296
295
293
291
289
290
290
291

Tuesday 9

Waning Gibbous 67%

21:17

12:06

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 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:05, Set: 15:49, Transit: 11:57. Moon - Rise: 21:17, Set: 12:06. Civil Dark: 16:31 - 07:23. Nautical Dark: 17:15 - 06:39. Astro Dark: 17:56 - 05:57

Total Clouds (% Sky Obscured)

100
100
99
99
99
89
80
71
70
69
74
81
87
91
92
93
92
88
85
85
84
82
78
69

Low Clouds (% Sky Obscured)

91
91
92
93
94
86
79
70
70
69
74
77
69
63
66
71
74
71
66
60
57
54
51
48

Medium Clouds (% Sky Obscured)

80
70
52
36
23
23
13
1
6
9
15
27
38
46
63
67
68
55
46
32
26
25
22
19

High Clouds (% Sky Obscured)

98
96
89
82
75
52
30
8
8
4
0
5
11
16
20
23
31
32
32
29
33
35
47
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

Light Rain
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 (%)

92
57
49
36
13
16
18
18
15
13
4
3
2
0
6
9
12
13
11
3
4
3
0
1

Precipitation Amount (mm)

0.5
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)

21
22
22
22
23
24
23
24
24
25
25
26
26
25
24
24
24
24
23
22
21
20
19
17

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
12
12
11
11
10
10
10
10
10
10
10
10
10
10
9
9
8

Feels Like (°C)

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

Dew Point (°C)

11
11
10
11
11
11
10
9
9
8
8
7
7
7
8
8
7
7
7
7
6
6
7
6

Relative Humidity (%)

89
87
84
86
86
86
84
83
81
81
80
80
81
84
87
85
82
80
80
80
80
82
85
87

Pressure (mb)

997
997
996
996
995
995
995
995
995
996
996
997
997
998
999
999
1000
1001
1002
1002
1003
1004
1005
1006

Ozone (du)

291
291
291
291
292
292
291
291
290
291
292
292
295
297
299
302
306
309
311
313
315
322
328
334

Wednesday 10

Waning Gibbous 57%

22:38

12:17

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

Sun - Rise: 08:06, Set: 15:49, Transit: 11:57. Moon - Rise: 22:38, Set: 12:17. Civil Dark: 16:31 - 07:24. Nautical Dark: 17:15 - 06:40. Astro Dark: 17:56 - 05:58

Total Clouds (% Sky Obscured)

60
50
48
47
48
50
47
48
46
44
48
60
69
72
82
89
90

Low Clouds (% Sky Obscured)

46
43
44
47
48
30
12
0
11
20
29
30
31
32
39
49
56

Medium Clouds (% Sky Obscured)

16
13
15
18
21
26
27
34
29
28
23
27
31
40
34
22
13

High Clouds (% Sky Obscured)

12
0
0
0
0
26
47
48
46
44
48
60
69
72
81
88
90

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
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

Wind Speed/Direction (mph)

17
16
16
15
15
14
14
13
13
12
12
12
12
12
12
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
4
4
4
4
3
3
3
3
3
3
3
3
4
4
4

Dew Point (°C)

6
6
6
6
6
6
6
5
5
5
5
6
6
6
6
7
7

Relative Humidity (%)

87
87
88
88
88
90
91
90
91
91
91
94
94
94
94
91
90

Pressure (mb)

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

Ozone (du)

329
325
320
318
317
315
316
316
317
314
312
310
309
308
307
306
306

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

Generated: 04/12/25 19:16:24. Forecast: 04/12/25 to 10/12/25. Timezone: UTC+0.00