Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 3

Waxing Gibbous 98%

14:47

07:37

17 OK
18 OK
19 OK
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

Sun - Rise: 07:51, Set: 15:49, Transit: 11:50. Moon - Rise: 14:47, Set: 07:37. Civil Dark: 16:29 - 07:11. Nautical Dark: 17:13 - 06:28. Astro Dark: 17:54 - 05:47

Total Clouds (% Sky Obscured)

27
29
26
83
98
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

27
27
24
38
48
49
38
27
36
40
50
60
68
60
63
75
68
86
88
91
61
54
46
37

Medium Clouds (% Sky Obscured)

0
0
22
39
33
92
100
100
100
100
100
100
100
100
100
95
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
26
68
96
62
100
100
100
82
100
100
82
90
50
56
94
100
88
60
57
67
60
55

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

2
6
12
0
0
0
0
0
0
0
0
0
1
2
10
45
61
72
74
76
48
18
6
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
91
93
91
91
91
90
88
90
90
86
85
87
87
87
85
85
90
91
85
79
84
87

Pressure (mb)

1007
1007
1007
1006
1006
1005
1004
1004
1003
1002
1001
1000
999
999
998
998
998
997
997
997
997
997
998
999

Ozone (du)

300
302
303
298
294
300
304
304
305
298
294
297
298
303
307
311
314
318
319
320
319
319
325
335

Thursday 4

Full Moon 100%

15:38

09:05

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

Sun - Rise: 07:53, Set: 15:49, Transit: 11:51. Moon - Rise: 15:38, Set: 09:05. Civil Dark: 16:29 - 07:12. Nautical Dark: 17:13 - 06:29. Astro Dark: 17:54 - 05:48

Total Clouds (% Sky Obscured)

55
9
29
4
0
0
11
21
14
23
27
16
90
90
95
85
54
88
85
97
94
96
100
100

Low Clouds (% Sky Obscured)

42
4
21
0
0
0
11
21
14
23
23
16
8
0
0
0
0
0
6
13
29
47
45
57

Medium Clouds (% Sky Obscured)

55
9
29
4
0
0
0
0
0
0
0
0
70
58
62
85
54
73
46
83
85
91
100
94

High Clouds (% Sky Obscured)

55
9
29
4
0
0
0
0
0
0
6
0
60
58
52
32
30
49
50
48
22
47
100
95

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
36
56

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
0.3

Wind Speed/Direction (mph)

7
7
7
6
6
6
6
6
5
5
5
6
5
6
6
7
7
8
10
12
13
15
16
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
89
89
89
91
91
91
89
89
89
89
89
89
88
86
86
83
79
76
75
77
79
79

Pressure (mb)

1000
1001
1002
1002
1003
1004
1004
1005
1006
1006
1007
1007
1007
1008
1008
1008
1008
1008
1007
1006
1005
1004
1003
1002

Ozone (du)

341
338
339
344
347
349
352
355
359
361
361
354
347
346
344
335
329
328
327
326
320
315
310
305

Friday 5

Waning Gibbous 98%

16:51

10:13

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
15 Bad
16 Bad

Sun - Rise: 07:54, Set: 15:48, Transit: 11:51. Moon - Rise: 16:51, Set: 10:13. Civil Dark: 16:29 - 07:13. Nautical Dark: 17:12 - 06:30. Astro Dark: 17:53 - 05:49

Total Clouds (% Sky Obscured)

96
100
100
100
94
92
100
93
98
54
51
100
100
100
100
100
100
100
100
96
91
86
84
81

Low Clouds (% Sky Obscured)

74
100
100
100
88
79
71
50
76
46
51
58
68
64
62
69
69
80
60
63
61
62
67
65

Medium Clouds (% Sky Obscured)

85
100
100
73
42
13
28
67
88
45
25
99
94
100
92
49
30
54
100
93
56
47
37
22

High Clouds (% Sky Obscured)

18
100
28
0
0
0
71
43
23
48
51
100
100
100
50
50
60
100
100
91
81
60
42
30

ISS Passover

Visibility (miles)

9
9
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

50
95
95
79
40
13
40
13
10
9
5
9
44
18
21
4
31
70
48
26
35
31
21
14

Precipitation Amount (mm)

0
0.5
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

20
24
25
25
24
22
18
15
15
15
15
15
16
17
17
18
18
17
18
19
19
19
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
79
84
85
85
87
91
91
85
85
84
84
82
80
81
78
77
77
85
83
84
80
80
77

Pressure (mb)

1000
999
997
996
995
994
993
993
993
993
993
993
993
993
993
994
994
995
995
995
996
997
997
998

Ozone (du)

304
301
297
298
300
304
305
306
308
308
307
296
293
294
296
297
297
294
292
295
294
292
289
288

Saturday 6

Waning Gibbous 93%

No Rise

10:58

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
15 Bad
16 Bad

Sun - Rise: 07:55, Set: 15:48, Transit: 11:51. Moon - Rise: No Rise, Set: 10:58. Civil Dark: 16:28 - 07:15. Nautical Dark: 17:12 - 06:31. Astro Dark: 17:53 - 05:50

Total Clouds (% Sky Obscured)

79
79
80
80
67
60
54
56
61
66
72
74
73
79
88
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

69
63
67
65
52
41
25
23
22
22
32
30
28
37
46
55
71
87
100
96
92
89
87
85

Medium Clouds (% Sky Obscured)

22
19
19
17
11
6
0
4
48
49
54
53
53
69
82
98
99
100
100
87
86
100
95
90

High Clouds (% Sky Obscured)

40
30
0
0
4
2
20
18
25
27
25
27
29
41
58
68
79
90
100
100
99
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
3
3
3
3
6
9
9
9
9
9
8
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

19
8
7
2
2
1
1
0
0
4
36
49
83
87
92
81
41
51
49
61
79
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.5
0.5
0.5
0
0
0
0.3
0.4
0.8
0.9
0.7

Wind Speed/Direction (mph)

18
18
18
18
17
17
16
15
14
13
12
10
9
8
9
10
12
13
14
15
14
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
4
4
4
3
3
3
3
3
3
3
4
4
4
4
5
7
8
8
9
9
10

Dew Point (°C)

6
7
6
6
5
5
6
6
5
5
5
6
6
6
7
7
8
8
10
10
11
11
11
12

Relative Humidity (%)

76
81
80
77
76
78
81
82
81
82
87
91
93
94
96
95
93
93
93
93
93
93
93
95

Pressure (mb)

999
1000
1001
1002
1003
1004
1004
1005
1006
1006
1007
1007
1007
1006
1005
1005
1004
1003
1003
1002
1002
1001
1001
1001

Ozone (du)

288
289
289
286
283
281
282
283
284
286
283
283
283
285
286
289
292
293
295
296
297
297
298
298

Sunday 7

Waning Gibbous 86%

18:18

11:27

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
15 Bad
16 Bad

Sun - Rise: 07:56, Set: 15:48, Transit: 11:52. Moon - Rise: 18:18, Set: 11:27. Civil Dark: 16:28 - 07:16. Nautical Dark: 17:12 - 06:32. Astro Dark: 17:53 - 05:51

Total Clouds (% Sky Obscured)

100
91
82
74
84
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

84
78
71
61
57
52
50
58
67
76
69
61
56
55
59
62
61
59
57
58
59
62
73
83

Medium Clouds (% Sky Obscured)

83
68
48
40
10
65
69
71
30
32
31
35
44
43
54
62
71
80
88
93
97
100
100
100

High Clouds (% Sky Obscured)

100
83
67
54
65
81
100
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
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

70
45
24
2
1
0
0
31
42
52
47
34
1
0
0
0
2
7
8
20
28
30
37
41

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
86
84
86
79
83
83
84
85
85
87
88
88
90
88
85
85
85
83
81
84
88
93
92

Pressure (mb)

1002
1002
1003
1003
1004
1005
1006
1006
1007
1007
1007
1008
1008
1008
1010
1011
1011
1011
1011
1011
1011
1010
1010
1010

Ozone (du)

297
298
297
300
302
303
302
301
299
298
298
297
296
297
296
294
292
292
292
292
293
294
295
295

Monday 8

Waning Gibbous 77%

19:48

11:47

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
15 Bad
16 Bad

Sun - Rise: 07:57, Set: 15:47, Transit: 11:52. Moon - Rise: 19:48, Set: 11:47. Civil Dark: 16:28 - 07:17. Nautical Dark: 17:12 - 06:33. Astro Dark: 17:53 - 05:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
98
98
98
99
100
100
100
100
100
100
100
81
62
46
49
53

Low Clouds (% Sky Obscured)

92
81
70
56
47
42
36
51
66
82
88
94
99
85
75
67
64
60
56
46
37
27
35
44

Medium Clouds (% Sky Obscured)

100
100
100
100
98
97
95
95
94
93
95
97
99
99
99
100
96
93
89
67
42
14
23
32

High Clouds (% Sky Obscured)

99
82
65
48
63
82
100
88
77
68
79
90
100
100
100
100
77
55
37
36
50
46
49
53

ISS Passover

Visibility (miles)

9
9
8
6
5
6
7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

47
65
77
87
89
89
88
76
59
31
32
33
41
38
32
17
31
35
37
29
19
0
0
0

Precipitation Amount (mm)

0
0.3
0.4
0.5
0.6
0.6
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
10
10
11
12
13
14
15
17
18
18
18
18
17
16
15
15
16
16
16
15
15
15

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
12
13
13
13
12
12
12
12
12
12
12
12
12
12
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
95
96
96
96
95
93
90
89
89
86
86
83
80
77
76
75
73
75
73
73
76

Pressure (mb)

1009
1009
1009
1008
1008
1007
1007
1006
1005
1005
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002

Ozone (du)

296
297
298
299
300
299
297
296
296
297
298
297
297
296
296
296
296
294
292
290
290
291
291
292

Tuesday 9

Waning Gibbous 67%

21:14

12:01

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

Sun - Rise: 07:58, Set: 15:47, Transit: 11:53. Moon - Rise: 21:14, Set: 12:01. Civil Dark: 16:28 - 07:18. Nautical Dark: 17:12 - 06:34. Astro Dark: 17:53 - 05:53

Total Clouds (% Sky Obscured)

58
54
50
51
60
68
75
85
93
100
91
86
83
93
97
100
96
93
90

Low Clouds (% Sky Obscured)

53
52
50
51
50
48
45
54
63
72
77
77
69
57
35
27
37
50
64

Medium Clouds (% Sky Obscured)

45
41
42
44
43
38
34
42
48
52
49
45
42
59
80
100
84
70
53

High Clouds (% Sky Obscured)

58
51
44
33
26
42
50
46
42
29
40
59
83
93
97
100
67
34
1

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
6
7
8
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
10
16
24
29
31
29
42
50
52
38
26
1
19
34
57
73
79
74

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0.4
0.5
0.5

Wind Speed/Direction (mph)

15
15
14
13
12
12
11
11
11
15
20
18
17
16
16
15
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
80
81
83
84
84
85
84
81
81
82
84
84
85
87
87
81
77

Pressure (mb)

1002
1002
1002
1002
1001
1001
1000
999
1000
1000
1001
1001
1001
1002
1002
1002
1002
1002
1002

Ozone (du)

292
293
296
298
301
305
309
313
314
316
317
321
325
329
335
340
345
346
347

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

Generated: 03/12/25 17:13:27. Forecast: 03/12/25 to 09/12/25. Timezone: UTC+0.00