Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 7

Waning Gibbous 90%

18:01

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

Sun - Rise: 07:09, Set: 16:18, Transit: 11:43. Moon - Rise: 18:01, Set: 11:33. Civil Dark: 16:54 - 06:33. Nautical Dark: 17:35 - 05:52. Astro Dark: 18:15 - 05:12

Total Clouds (% Sky Obscured)

88
92
71
84
94
100
100
98
100
100
100
93
94
89
52
39
41
62
54
45
54
59
95
16

Low Clouds (% Sky Obscured)

52
42
48
52
55
64
71
73
75
72
74
82
52
49
48
39
36
60
54
45
54
59
58
16

Medium Clouds (% Sky Obscured)

23
0
42
22
25
17
12
20
25
27
25
16
23
4
0
0
0
0
0
2
1
2
1
0

High Clouds (% Sky Obscured)

88
92
67
30
30
100
100
55
100
100
71
18
79
85
52
39
41
57
54
45
54
16
39
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 (%)

1
2
3
3
0
2
0
0
3
5
1
0
0
1
0
1
2
1
0
0
1
7
6
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)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
13
14
14
14
14
13
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
92
93
95
90
90
92
90
92
86
83
77
72
73
83
86
79
73
70
69
73
79
81
81

Pressure (mb)

1006
1006
1007
1007
1007
1007
1007
1007
1007
1008
1009
1009
1010
1011
1012
1012
1013
1013
1013
1013
1013
1014
1015
1015

Ozone (du)

286
288
292
294
296
297
297
296
294
294
294
292
291
291
289
288
287
286
282
280
279
278
276
275

Saturday 8

Waning Gibbous 82%

No Rise

12:28

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

Sun - Rise: 07:11, Set: 16:16, Transit: 11:44. Moon - Rise: No Rise, Set: 12:28. Civil Dark: 16:53 - 06:34. Nautical Dark: 17:34 - 05:53. Astro Dark: 18:13 - 05:14

Total Clouds (% Sky Obscured)

24
5
1
1
10
12
14
6
10
33
36
35
16
1
1
15
45
77
54
100
100
100
100
100

Low Clouds (% Sky Obscured)

24
5
0
0
0
0
0
0
7
33
36
35
16
0
0
14
23
30
36
42
48
64
42
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
2
0
0
2
0
3
0
1
25
80
13
4

High Clouds (% Sky Obscured)

0
0
1
1
10
12
14
6
6
5
2
0
0
1
1
3
23
62
25
100
100
100
100
93

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)

5
6
6
5
5
5
5
5
5
6
6
6
6
6
6
9
11
12
12
11
10
9
9
10

Chance of Frost

Temperature (°C)

11
10
9
8
8
8
7
7
7
6
6
6
6
6
8
10
11
12
13
13
13
12
12
11

Feels Like (°C)

10
9
9
8
7
5
5
5
5
5
6
6
5
5
7
8
9
10
9
12
9
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

80
82
88
88
88
90
91
93
93
93
94
93
91
88
84
80
76
72
70
70
74
79
80
83

Pressure (mb)

1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015

Ozone (du)

275
276
275
273
269
267
266
265
264
264
264
265
266
268
269
268
269
268
267
270
269
267
266
264

Sunday 9

Waning Gibbous 72%

19:19

13:03

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: 07:13, Set: 16:15, Transit: 11:44. Moon - Rise: 19:19, Set: 13:03. Civil Dark: 16:51 - 06:36. Nautical Dark: 17:32 - 05:55. Astro Dark: 18:12 - 05:15

Total Clouds (% Sky Obscured)

85
93
97
94
96
94
90
81
100
100
100
100
99
99
96
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
36
47
53
58
64
62
55
60
66
78
86
85
81
85
93
86
80
64
48
45
43
42
46

Medium Clouds (% Sky Obscured)

29
73
93
77
37
70
53
50
100
99
98
100
99
98
89
98
99
99
99
100
100
100
100
58

High Clouds (% Sky Obscured)

82
79
51
65
76
45
51
37
34
6
49
51
50
50
40
45
50
67
82
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
9
9
9
9
3
5
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
Light Rain
Very Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
7
10
16
6
6
8
9
53
56
50
44
29
73
95
81
48
21
26
15
18
30
30
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.2
0
0
0
0.3
1.1
0.5
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
87
88
85
85
87
91
90
90
86
86
88
88
92
93
92
84
83
80
82
84
86
87

Pressure (mb)

1015
1014
1014
1014
1013
1012
1012
1011
1011
1010
1009
1009
1009
1009
1008
1008
1008
1007
1007
1007
1006
1006
1007
1007

Ozone (du)

263
265
266
266
268
269
270
271
271
274
273
272
274
274
276
277
279
283
286
289
292
296
303
313

Monday 10

Waning Gibbous 61%

20:45

13:26

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: 07:15, Set: 16:13, Transit: 11:44. Moon - Rise: 20:45, Set: 13:26. Civil Dark: 16:50 - 06:38. Nautical Dark: 17:31 - 05:56. Astro Dark: 18:11 - 05:17

Total Clouds (% Sky Obscured)

82
73
60
83
76
80
84
89
92
95
97
96
95
94
94
94
94
82
69
56
60
66
74
68

Low Clouds (% Sky Obscured)

53
58
56
57
55
47
36
25
17
11
4
15
25
35
46
59
67
54
39
56
40
55
48
50

Medium Clouds (% Sky Obscured)

60
60
40
20
0
22
39
34
16
65
68
45
61
43
47
71
69
66
52
50
60
66
68
54

High Clouds (% Sky Obscured)

82
73
57
43
20
32
51
67
69
74
79
76
77
73
73
74
71
56
42
24
25
25
25
7

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

Precipitation Probability (%)

67
74
65
50
7
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0.4
0.3
0.2
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
8
8
10
9
9
8
8
9
8
9
10
10
11
12
13
13
13
13
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
93
91
88
87
88
90
90
93
91
91
91
93
88
83
84
82
80
82
83
84
86
86

Pressure (mb)

1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008

Ozone (du)

318
313
306
300
297
295
296
301
302
303
302
299
298
297
297
296
294
290
285
280
277
278
277
276

Tuesday 11

Waning Gibbous 50%

22:11

13:42

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: 07:16, Set: 16:11, Transit: 11:44. Moon - Rise: 22:11, Set: 13:42. Civil Dark: 16:49 - 06:39. Nautical Dark: 17:30 - 05:58. Astro Dark: 18:10 - 05:18

Total Clouds (% Sky Obscured)

60
59
73
84
96
97
98
100
100
100
100
97
97
95
96
98
100
100
100
100
98
96
95
96

Low Clouds (% Sky Obscured)

52
44
46
45
46
50
52
52
57
56
63
72
70
68
57
46
36
24
12
1
2
2
2
1

Medium Clouds (% Sky Obscured)

8
4
46
53
21
48
40
2
6
3
18
34
35
43
40
38
35
43
53
69
59
46
38
35

High Clouds (% Sky Obscured)

9
30
42
62
86
91
96
100
100
100
100
81
87
89
91
96
100
100
100
100
97
94
91
93

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

13
13
14
14
15
15
15
14
14
14
14
14
13
13
13
13
13
13
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

12
12
11
11
11
11
11
11
11
11
11
11
11
11
11
12
13
13
13
14
14
13
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
87
84
83
83
81
81
80
81
85
84
81
80
77
76
75
74
74
74
74
74
75
75

Pressure (mb)

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

Ozone (du)

274
271
269
269
266
268
267
268
267
267
268
269
269
270
270
270
270
270
270
271
271
270
270
269

Wednesday 12

Third Quarter 39%

23:32

13:55

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: 07:18, Set: 16:10, Transit: 11:44. Moon - Rise: 23:32, Set: 13:55. Civil Dark: 16:47 - 06:41. Nautical Dark: 17:29 - 06:00. Astro Dark: 18:08 - 05:20

Total Clouds (% Sky Obscured)

98
100
100
100
100
97
95
93
89
86
82
85
87
89
92
96
99
99
100
100
99
99
98
99

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
5
10
15
22
31
38
26
15
3
7

Medium Clouds (% Sky Obscured)

26
13
7
5
2
5
9
17
18
20
20
16
8
9
15
23
26
31
32
29
37
45
49
60

High Clouds (% Sky Obscured)

96
100
100
100
100
93
88
83
78
75
71
74
76
79
84
91
97
98
99
100
99
98
97
92

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

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)

13
13
13
12
11
11
10
10
9
8
8
7
7
7
7
8
9
11
10
10
9
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
6
6
6
6
6
7
7
7
7
7
7
8
8
8
8
13
12
12
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

75
76
77
77
78
80
83
83
84
88
90
91
91
90
88
84
79
75
76
76
78
79
82
83

Pressure (mb)

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

Ozone (du)

269
270
270
270
270
270
270
270
269
271
273
274
275
275
276
276
277
277
277
278
278
279
280
280

Thursday 13

Waning Crescent 29%

00:49

14:05

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

Sun - Rise: 07:20, Set: 16:09, Transit: 11:44. Moon - Rise: 00:49, Set: 14:05. Civil Dark: 16:46 - 06:42. Nautical Dark: 17:27 - 06:01. Astro Dark: 18:07 - 05:21

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
99
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

4
5
17
29
38
25
13
0
9
22
43
62
84
84
77
65
54

Medium Clouds (% Sky Obscured)

66
72
66
58
46
64
83
100
98
97
95
93
95
97
93
90
85

High Clouds (% Sky Obscured)

89
88
94
96
100
96
94
89
85
84
82
88
94
100
91
82
76

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
5
4
5
7
8
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 (%)

4
2
3
2
0
17
24
26
33
39
47
50
53
57
54
50
46

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
13
12
12
12
12
12
12
12
13
14

Feels Like (°C)

10
10
10
11
11
11
11
12
12
12
11
11
11
12
12
12
12

Dew Point (°C)

11
11
11
12
12
12
12
12
12
11
11
11
11
12
12
12
11

Relative Humidity (%)

84
87
89
92
92
95
93
95
95
95
95
95
96
96
96
90
83

Pressure (mb)

1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1006

Ozone (du)

281
282
283
283
283
282
282
282
282
281
281
280
282
285
287
288
289

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

Generated: 07/11/25 18:56:39. Forecast: 07/11/25 to 13/11/25. Timezone: UTC+0.00