Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 11

Third Quarter 46%

23:51

12:22

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
19 Bad

Sun - Rise: 08:00, Set: 15:47, Transit: 11:54. Moon - Rise: 23:51, Set: 12:22. Civil Dark: 16:28 - 07:20. Nautical Dark: 17:12 - 06:36. Astro Dark: 17:53 - 05:54

Total Clouds (% Sky Obscured)

86
90
92
97
100
94
68
99
98
79
100
92
100
100
100
100
98
95
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

81
71
70
78
97
87
49
56
71
55
84
66
59
54
70
91
88
79
98
97
63
0
0
0

Medium Clouds (% Sky Obscured)

69
90
92
80
61
36
19
6
42
71
11
92
97
36
36
100
98
71
54
81
76
81
56
57

High Clouds (% Sky Obscured)

30
23
92
64
82
40
42
84
94
52
93
25
100
100
100
100
6
51
100
79
100
100
100
100

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
1
15
28
21
29
39
31
19
12
2
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
11
11
10
11
12
11
10
10
10
10
10
10
11
11
11
10
8
7
10
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
93
95
95
93
95
93
90
87
88
87
87
87
83
86
88
90
87
85
88

Pressure (mb)

1016
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1015
1016
1016
1016
1017
1018
1019
1020
1021

Ozone (du)

304
301
301
300
301
301
299
298
296
296
296
296
296
298
300
303
307
306
308
309
309
308
310
309

Friday 12

Waning Crescent 36%

01:05

12:31

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

Sun - Rise: 08:01, Set: 15:47, Transit: 11:54. Moon - Rise: 01:05, Set: 12:31. Civil Dark: 16:28 - 07:20. Nautical Dark: 17:12 - 06:37. Astro Dark: 17:53 - 05:55

Total Clouds (% Sky Obscured)

100
97
100
98
96
55
64
36
6
0
0
4
0
15
55
46
61
73
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
0
0
0
4
0
0
0
0
0
0
23
18
6
29
9
11

Medium Clouds (% Sky Obscured)

73
76
63
18
32
11
35
17
0
0
0
0
0
0
0
0
0
10
48
42
41
56
60
70

High Clouds (% Sky Obscured)

100
53
53
66
75
19
6
27
6
0
0
0
0
15
55
46
44
54
100
100
100
100
100
100

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
90
88
90
89
89
89
89
89
91
91
91
91
90
85
84
79
81
84
85
84
82
84

Pressure (mb)

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

Ozone (du)

309
308
310
311
313
316
319
327
343
370
368
349
347
349
345
345
341
334
330
327
326
324
320
315

Saturday 13

Waning Crescent 27%

02:17

12:42

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
19 Bad

Sun - Rise: 08:02, Set: 15:47, Transit: 11:55. Moon - Rise: 02:17, Set: 12:42. Civil Dark: 16:28 - 07:21. Nautical Dark: 17:12 - 06:37. Astro Dark: 17:53 - 05:56

Total Clouds (% Sky Obscured)

99
100
93
98
94
93
91
92
98
100
88
96
87
91
92
90
92
98
78
89
91
88
100
100

Low Clouds (% Sky Obscured)

9
27
31
36
32
47
40
31
36
34
35
36
32
36
39
46
47
39
52
55
38
44
54
64

Medium Clouds (% Sky Obscured)

74
70
64
96
90
81
58
53
57
83
38
37
30
45
53
71
81
52
8
13
12
30
53
68

High Clouds (% Sky Obscured)

74
50
30
35
33
50
49
46
69
100
70
82
74
82
74
62
55
89
57
68
79
81
99
94

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 (%)

3
18
14
2
1
5
9
7
6
1
0
0
0
0
0
0
0
0
0
0
0
0
1
2

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
13
14
14
14
13
14
14
14
14
14
14
14
15
16
16
16
16
16
15
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
84
82
81
82
85
88
87
88
87
87
88
87
85
84
82
81
81
82
87
91
93
91

Pressure (mb)

1024
1024
1023
1023
1022
1022
1022
1022
1021
1020
1020
1020
1019
1019
1019
1018
1018
1017
1016
1016
1015
1015
1014
1014

Ozone (du)

313
312
309
305
301
300
299
298
297
297
298
299
299
298
298
298
300
299
299
299
296
295
294
294

Sunday 14

Waning Crescent 19%

03:30

12:54

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 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 08:03, Set: 15:47, Transit: 11:55. Moon - Rise: 03:30, Set: 12:54. Civil Dark: 16:28 - 07:22. Nautical Dark: 17:12 - 06:38. Astro Dark: 17:54 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
98
96
100
100
70
67
60
60
55
50
38
32
28
54
81
85
84
83
84
88
94

Low Clouds (% Sky Obscured)

68
71
73
68
72
79
81
67
67
60
60
55
50
38
32
28
54
70
77
68
63
59
67
72

Medium Clouds (% Sky Obscured)

89
42
43
45
51
58
60
40
20
0
3
6
8
5
3
0
0
0
0
0
4
50
70
82

High Clouds (% Sky Obscured)

100
94
94
92
72
79
97
70
67
60
60
55
50
38
27
0
0
1
4
37
53
61
72
86

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 (%)

2
6
9
10
17
20
18
22
23
13
21
24
3
6
5
0
1
4
9
2
1
0
1
2

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)

18
18
18
16
16
16
17
15
14
14
14
14
13
14
14
15
16
16
17
16
15
16
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
81
77
80
84
81
80
85
91
91
91
93
91
90
87
84
83
81
77
83
81
80
83
81

Pressure (mb)

1013
1013
1012
1012
1011
1010
1010
1009
1009
1008
1008
1008
1007
1007
1007
1006
1006
1005
1005
1005
1004
1004
1004
1004

Ozone (du)

293
293
292
293
295
296
297
299
302
305
307
311
316
324
338
346
340
324
316
312
307
303
301
300

Monday 15

Waning Crescent 12%

04:43

13:09

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
19 Bad

Sun - Rise: 08:04, Set: 15:48, Transit: 11:56. Moon - Rise: 04:43, Set: 13:09. Civil Dark: 16:29 - 07:23. Nautical Dark: 17:13 - 06:39. Astro Dark: 17:54 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
82
88
92
100
100
100
100
100
100
99
98
98
96
96
97
92
81
76
64
46

Low Clouds (% Sky Obscured)

77
53
64
70
69
69
68
74
81
86
81
75
70
75
81
86
84
82
80
58
36
14
9
5

Medium Clouds (% Sky Obscured)

93
94
100
49
57
67
62
57
52
99
95
91
87
92
94
96
95
94
94
86
71
52
35
21

High Clouds (% Sky Obscured)

100
100
100
100
76
76
72
76
77
69
87
94
100
75
28
25
19
19
14
9
4
8
14
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
8
7
8
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
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

1
4
9
14
24
27
15
28
41
53
50
48
40
37
49
48
68
75
88
86
65
43
38
37

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
16
15
15
16
15
14
12
11
9
7
6
5
4
4
5
6
4
6
9
7
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
85
90
91
91
91
91
91
87
90
95
95
95
95
95
95
95
95
95
95
95
93
93
91

Pressure (mb)

1004
1004
1005
1005
1004
1005
1005
1005
1006
1006
1006
1007
1008
1008
1009
1009
1009
1010
1010
1011
1012
1013
1014
1014

Ozone (du)

299
299
297
297
297
297
299
302
303
307
310
311
313
315
315
312
306
302
297
293
308
322
336
339

Tuesday 16

Waning Crescent 7%

05:57

13:29

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

Sun - Rise: 08:04, Set: 15:48, Transit: 11:56. Moon - Rise: 05:57, Set: 13:29. Civil Dark: 16:29 - 07:23. Nautical Dark: 17:13 - 06:39. Astro Dark: 17:54 - 05:58

Total Clouds (% Sky Obscured)

15
2
3
5
11
15
12
11
8
2
34
67
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
2
3
5
11
10
8
5
2
0
6
13
20
28
37
47
59
71
83
89
94
100
100
100

Medium Clouds (% Sky Obscured)

4
2
3
4
2
1
0
0
0
0
14
11
17
44
72
100
94
90
86
85
86
88
86
86

High Clouds (% Sky Obscured)

1
1
1
1
11
15
12
11
8
2
34
67
100
100
100
100
100
100
100
72
47
20
53
78

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
Very Light Rain
Very Light Rain
None
None
Very Light Rain

Precipitation Probability (%)

20
14
6
0
1
1
0
0
0
0
0
0
0
0
0
0
25
40
52
58
56
43
50
54

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
6
6
7
7
7
7
7
7
7
8
9
10
11
13
14
15
16
18
19
19
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
91
91
91
89
91
91
91
91
89
89
86
85
82
79
77
77
77
78
78
81
82
85

Pressure (mb)

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

Ozone (du)

342
345
339
333
326
325
324
323
318
313
309
307
304
302
302
301
301
297
293
289
290
290
290
292

Wednesday 17

Waning Crescent 3%

07:09

13:58

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

Sun - Rise: 08:05, Set: 15:48, Transit: 11:57. Moon - Rise: 07:09, Set: 13:58. Civil Dark: 16:29 - 07:24. Nautical Dark: 17:13 - 06:40. Astro Dark: 17:55 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
88
78
71
65
55

Low Clouds (% Sky Obscured)

100
100
100
100
95
89
84
78
72
66
65
63
63
67
69
71
67
65
58
51
43
38

Medium Clouds (% Sky Obscured)

90
95
98
100
90
86
76
79
75
75
84
89
97
97
98
98
92
85
74
59
50
35

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
94
86
77
78
77
80
77
74
70
65
55
40
35
30
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

Fog (%)

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

Precipitation Probability (%)

44
52
57
61
54
46
33
38
38
35
41
51
56
63
67
62
59
46
4
12
18
26

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

20
20
19
19
19
17
15
14
13
12
11
10
11
11
12
14
15
15
15
16
15
16

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
11
11
11
10
10
10
10
10
10
10
10
10
10
10
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
88
90
91
90
90
91
91
93
95
93
93
93
87
81
76
78
78
80
80
80

Pressure (mb)

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

Ozone (du)

294
295
294
293
292
293
295
296
297
298
299
296
294
291
286
282
277
275
272
270
268
267

Forecast for Bourn, Cambridgeshire, United Kingdom (52.20,-0.05)

Generated: 11/12/25 20:18:25. Forecast: 11/12/25 to 17/12/25. Timezone: UTC+0.00