Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Gibbous 70%

15:57

01:31

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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 Good
06 OK
07 Bad

Sun - Rise: 07:36, Set: 17:54, Transit: 12:44. Moon - Rise: 15:57, Set: 01:31. Civil Dark: 18:29 - 07:02. Nautical Dark: 19:08 - 06:22. Astro Dark: 19:47 - 05:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
95
98
100
84
64
43
4
30
63

Low Clouds (% Sky Obscured)

100
100
82
82
93
88
94
100
100
100
100
100
100
100
98
94
90
100
67
47
0
1
21
28

Medium Clouds (% Sky Obscured)

100
97
100
100
100
100
100
82
48
49
55
62
70
38
53
52
94
60
65
47
33
1
15
63

High Clouds (% Sky Obscured)

100
100
78
100
87
55
69
46
100
100
100
96
100
88
0
2
40
0
0
0
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
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
None
None
None
None
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

55
95
95
23
30
70
95
76
60
36
17
13
22
5
2
1
1
1
4
4
5
3
5
9

Precipitation Amount (mm)

0
0
0
0
0
0.4
1
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
8
8
12
11
11
9
7
7
7
6
5
6
6
6
7
8
8
8
8
6
7
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
80
75
71
72
76
84
87
87
88
90
92
90
90
87
80
78
83
85
88
85
84
81

Pressure (mb)

1013
1012
1011
1010
1009
1008
1007
1006
1006
1005
1005
1004
1004
1004
1004
1003
1003
1003
1002
1002
1002
1001
1001
1000

Ozone (du)

279
280
282
283
285
286
287
288
288
289
290
291
291
292
295
299
303
306
309
297
288
290
291
293

Wednesday 21

Waxing Gibbous 79%

16:10

02:48

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

Sun - Rise: 07:38, Set: 17:52, Transit: 12:44. Moon - Rise: 16:10, Set: 02:48. Civil Dark: 18:27 - 07:03. Nautical Dark: 19:06 - 06:24. Astro Dark: 19:45 - 05:45

Total Clouds (% Sky Obscured)

98
95
98
98
100
100
100
100
100
98
100
99
100
86
45
30
2
6
54
70
83
82
57
39

Low Clouds (% Sky Obscured)

58
85
85
44
64
84
93
94
100
98
100
93
79
59
45
27
0
0
0
25
71
82
44
29

Medium Clouds (% Sky Obscured)

66
90
42
90
100
100
100
35
55
47
45
61
91
74
45
30
0
5
54
57
27
16
7
0

High Clouds (% Sky Obscured)

3
50
53
79
84
100
100
100
0
0
0
0
0
21
2
16
2
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
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
Very Light Rain
None
None
None
None
None
None
None
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
18
26
52
54
54
38
30
37
35
45
56
63
87
57
4
0
0
1
2
2
2
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.2
0
0
0
0
0
0
0
0.4
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
11
13
14
14
13
15
17
20
22
22
21
20
18
17
14
12
10
9
8
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
8
7
6
5
6
6
7
7
6
6
5
5
5
5
3
1
2
3
3
3
3
4
5

Relative Humidity (%)

85
87
78
72
66
68
70
75
77
80
81
80
81
81
82
70
69
75
79
82
83
81
81
88

Pressure (mb)

1000
999
999
999
999
999
998
998
998
999
1000
1001
1002
1004
1005
1006
1007
1008
1008
1008
1008
1008
1008
1009

Ozone (du)

295
294
291
293
298
301
303
303
305
308
307
307
308
305
302
304
311
314
315
314
314
314
311
314

Thursday 22

Waxing Gibbous 87%

16:21

04:05

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

Sun - Rise: 07:40, Set: 17:50, Transit: 12:44. Moon - Rise: 16:21, Set: 04:05. Civil Dark: 18:25 - 07:05. Nautical Dark: 19:04 - 06:26. Astro Dark: 19:43 - 05:46

Total Clouds (% Sky Obscured)

30
48
32
40
35
56
83
72
58
100
100
100
100
100
100
100
100
100
100
100
48
55
89
93

Low Clouds (% Sky Obscured)

25
36
23
33
23
22
27
19
11
21
28
84
84
86
88
90
92
92
92
90
46
55
82
81

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
53
58
66
91
100
99
99
100
100
100
100
100
100
32
12
70
80

High Clouds (% Sky Obscured)

0
0
0
0
2
19
40
35
40
100
100
100
100
100
100
100
100
100
100
97
36
15
55
59

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
5
6
4
2
1
7
9
9
8

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
11
45
64
64
92
88
95
95
95
95
95
77
49
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.6
0.5
0.9
1.1
1.3
2.6
0.6
0.4
0
0

Wind Speed/Direction (mph)

6
7
11
10
11
11
9
9
8
5
5
7
8
9
11
12
14
15
16
15
16
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
4
4
5
6
6
6
5
8
9
9
9
10
10
10
10
10
8
8
8

Relative Humidity (%)

90
85
76
68
62
57
54
55
60
65
72
72
83
91
90
88
88
89
90
90
90
79
79
81

Pressure (mb)

1009
1010
1010
1010
1011
1010
1010
1009
1009
1008
1008
1007
1006
1005
1003
1002
1000
998
996
994
993
992
990
988

Ozone (du)

316
314
311
305
300
297
294
293
290
287
286
285
286
286
288
290
291
295
298
304
310
316
310
310

Friday 23

Waxing Gibbous 94%

16:32

05:26

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

Sun - Rise: 07:42, Set: 17:48, Transit: 12:44. Moon - Rise: 16:32, Set: 05:26. Civil Dark: 18:23 - 07:07. Nautical Dark: 19:02 - 06:27. Astro Dark: 19:42 - 05:48

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
100
100
100
96
92
88
84
81
77
68
60
51
65
73
94
98

Low Clouds (% Sky Obscured)

80
72
79
84
90
90
91
91
89
85
82
80
76
73
67
64
62
54
46
23
27
34
41
45

Medium Clouds (% Sky Obscured)

90
90
61
69
67
100
100
100
93
100
43
73
36
31
57
69
65
41
21
51
48
26
33
27

High Clouds (% Sky Obscured)

45
82
72
63
40
69
82
98
99
99
100
59
45
40
2
35
3
44
29
9
14
19
23
27

ISS Passover

Visibility (miles)

7
9
9
8
4
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
Light Rain
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

Precipitation Probability (%)

40
37
71
95
93
83
83
91
82
80
70
54
37
18
19
2
20
3
13
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.6
0.5
0.4
0.5
0.7
0.5
0.6
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
17
14
16
18
18
16
20
24
25
27
29
28
28
27
26
25
23
21
20
18
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
7
9
7
5
4
4
3
1
1
-0
-1
-1
-1
-2
-1
-1
0
-0
-1
-1
-0
0
0

Dew Point (°C)

10
10
10
10
11
10
10
9
8
8
7
6
5
5
3
3
2
3
2
2
1
1
1
1

Relative Humidity (%)

87
84
86
86
92
86
86
81
81
84
81
78
78
75
70
67
65
68
66
68
67
66
66
64

Pressure (mb)

986
984
984
985
986
987
988
990
992
994
996
998
999
1001
1002
1003
1004
1005
1006
1007
1008
1008
1009
1009

Ozone (du)

311
313
311
310
310
310
308
309
311
312
314
314
313
316
321
323
323
323
326
332
335
336
334
329

Saturday 24

Waxing Gibbous 98%

16:44

05:50

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

Sun - Rise: 06:43, Set: 17:46, Transit: 12:44. Moon - Rise: 16:44, Set: 05:50. Civil Dark: 18:21 - 06:09. Nautical Dark: 19:00 - 05:29. Astro Dark: 19:40 - 04:50

Total Clouds (% Sky Obscured)

99
94
48
100
100
100
100
100
100
100
100
99
98
98
98
98
99
98
97
98
99
100
83
64

Low Clouds (% Sky Obscured)

60
57
10
17
28
30
46
38
43
93
99
92
91
89
93
95
97
96
95
93
92
92
79
64

Medium Clouds (% Sky Obscured)

26
25
31
35
40
46
99
94
100
100
100
98
95
93
92
91
89
92
94
96
98
100
76
51

High Clouds (% Sky Obscured)

59
29
26
91
87
88
91
100
100
100
100
90
80
75
75
75
75
75
55
40
35
25
12
13

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
3
3
3
3
5
7
9
9
9
9
8
7
8

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

Precipitation Probability (%)

0
0
13
21
27
32
36
34
41
48
86
95
95
95
95
95
95
69
45
53
56
54
49
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.5
0.7
0.9
1.1
1
0.9
0.7
0.3
0
0.2
0.3
0.2
0
0

Wind Speed/Direction (mph)

15
14
14
15
16
15
15
14
13
13
15
16
17
17
18
17
17
17
17
18
19
21
22
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
3
5
4
5
6
7
8
7
7
7
8
8
8
7
7
10
11
11
11
11
11
11

Dew Point (°C)

1
2
3
3
3
3
3
4
5
6
7
9
10
11
12
12
13
14
14
14
14
14
13
10

Relative Humidity (%)

64
64
67
63
59
57
58
62
66
70
75
86
87
90
92
93
93
93
93
92
92
90
87
79

Pressure (mb)

1010
1010
1010
1010
1009
1009
1007
1006
1005
1003
1002
1001
999
998
996
995
994
992
991
990
990
990
990
992

Ozone (du)

326
322
317
313
309
306
302
299
295
293
288
284
282
280
277
276
274
272
271
270
271
273
274
282

Sunday 25

Waxing Gibbous 100%

15:59

No Set

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

Sun - Rise: 06:45, Set: 16:44, Transit: 11:44. Moon - Rise: 15:59, Set: No Set. Civil Dark: 17:19 - 06:10. Nautical Dark: 17:59 - 05:31. Astro Dark: 18:38 - 04:51

Total Clouds (% Sky Obscured)

46
42
39
37
39
45
50
44
39
33
41
50
58
61
68
74
84
92
97
98
99
100
100
100

Low Clouds (% Sky Obscured)

46
42
34
30
39
41
40
36
32
28
19
11
1
3
5
13
31
46
60
44
32
17
8
5

Medium Clouds (% Sky Obscured)

27
16
7
0
6
11
16
9
4
0
0
0
0
10
20
30
28
26
25
22
24
25
45
65

High Clouds (% Sky Obscured)

11
6
3
0
0
0
0
0
0
0
25
43
58
60
55
55
50
70
83
70
58
54
61
64

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 (%)

33
24
14
0
15
21
23
24
20
9
11
8
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)

21
21
22
24
25
25
26
26
23
21
19
19
19
20
20
19
18
17
16
15
14
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
8
8
7
6
6
5
4
4
4
3
2
2
2
2
2
2
1
2
3
3
3
3
2

Dew Point (°C)

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

Relative Humidity (%)

71
63
62
61
61
61
62
62
61
60
60
61
62
63
65
68
70
68
64
63
64
64
64
64

Pressure (mb)

994
996
997
998
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1009
1009
1010
1010
1010
1011
1011
1011

Ozone (du)

290
299
303
307
312
313
314
314
315
316
317
314
312
309
303
298
293
288
284
279
278
276
274
272

Monday 26

Full Moon 99%

16:17

No Set

Sun - Rise: 06:47, Set: 16:42, Transit: 11:44. Moon - Rise: 16:17, Set: No Set. Civil Dark: 17:17 - 06:12. Nautical Dark: 17:57 - 05:32. Astro Dark: 18:36 - 04:53

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 20/10/26 08:23:49. Forecast: 20/10/26 to 26/10/26. Timezone: UTC+1.00