Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 10

Waning Crescent 0%

06:47

19:15

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

Sun - Rise: 06:29, Set: 19:24, Transit: 12:56. Moon - Rise: 06:47, Set: 19:15. Civil Dark: 19:58 - 05:54. Nautical Dark: 20:40 - 05:13. Astro Dark: 21:27 - 04:28

Total Clouds (% Sky Obscured)

68
75
80
88
76
48
57
48
26
34
29
24
23
31
33
45
45
46
58
57
65
66
44
49

Low Clouds (% Sky Obscured)

68
75
80
77
73
48
52
44
26
33
29
24
23
29
28
28
27
31
24
25
49
41
17
37

Medium Clouds (% Sky Obscured)

68
75
80
50
0
10
21
2
0
1
0
0
0
0
0
0
13
14
13
13
12
16
13
2

High Clouds (% Sky Obscured)

68
75
2
0
0
0
0
0
0
2
2
2
0
1
2
9
1
0
1
1
0
6
0
20

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 (%)

35
32
31
14
7
2
1
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)

10
11
12
13
13
11
10
9
9
8
7
8
9
10
10
11
11
10
9
8
7
7
5
4

Chance of Frost

Temperature (°C)

17
16
16
16
16
16
15
15
15
14
14
15
16
17
19
20
20
21
21
22
21
21
20
18

Feels Like (°C)

14
13
13
13
13
14
15
15
15
15
15
15
16
17
18
19
19
20
21
20
20
19
19
18

Dew Point (°C)

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

Relative Humidity (%)

66
71
79
82
85
86
90
90
90
90
90
83
74
64
56
51
49
46
43
43
44
51
56
61

Pressure (mb)

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

Ozone (du)

317
320
322
320
320
320
320
320
318
317
315
316
317
318
318
319
320
322
322
322
321
316
311
305

Friday 11

New Moon 2%

08:08

19:27

21 Bad
22 Bad
23 Bad
00 Bad
01 OK
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
20 Bad

Sun - Rise: 06:30, Set: 19:21, Transit: 12:56. Moon - Rise: 08:08, Set: 19:27. Civil Dark: 19:56 - 05:56. Nautical Dark: 20:37 - 05:15. Astro Dark: 21:24 - 04:30

Total Clouds (% Sky Obscured)

61
85
82
63
35
67
50
79
62
49
93
95
51
67
93
76
91
95
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

57
34
33
28
16
32
33
22
0
0
0
17
38
57
67
27
63
65
75
47
84
64
92
90

Medium Clouds (% Sky Obscured)

0
3
0
0
0
0
2
7
4
11
14
34
11
16
23
31
55
75
68
98
100
97
99
99

High Clouds (% Sky Obscured)

1
19
20
20
19
25
15
31
35
4
43
50
3
6
59
66
65
66
80
77
96
87
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
3
0
0
0
0
0
0
0
0
0
0
0
0
5
8
35
20
21
27
33
38
39
31

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)

4
3
3
3
3
4
4
5
6
7
8
9
11
12
14
14
15
16
15
14
14
13
12
11

Chance of Frost

Temperature (°C)

17
16
15
15
14
14
13
13
13
12
13
13
15
16
18
19
20
20
21
21
21
19
19
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
68
72
71
73
74
75
77
81
84
86
79
70
59
52
55
53
56
58
60
64
73
69
71

Pressure (mb)

1022
1022
1023
1023
1023
1022
1022
1022
1021
1021
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1020

Ozone (du)

303
299
296
293
294
295
295
295
296
294
293
293
294
295
296
297
297
297
298
299
299
299
299
299

Saturday 12

Waxing Crescent 7%

09:28

19:39

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
20 Bad

Sun - Rise: 06:32, Set: 19:19, Transit: 12:55. Moon - Rise: 09:28, Set: 19:39. Civil Dark: 19:53 - 05:58. Nautical Dark: 20:34 - 05:16. Astro Dark: 21:21 - 04:33

Total Clouds (% Sky Obscured)

100
100
100
100
100
84
100
100
100
99
90
98
57
77
88
85
75
89
81
66
98
100
85
69

Low Clouds (% Sky Obscured)

100
100
100
59
64
71
59
70
67
41
55
46
28
37
70
64
68
83
69
51
49
15
6
0

Medium Clouds (% Sky Obscured)

98
94
97
98
50
52
43
91
49
92
14
77
46
77
14
11
0
3
0
0
4
47
7
69

High Clouds (% Sky Obscured)

100
100
100
100
100
41
100
100
100
85
24
80
0
0
18
15
20
22
51
34
94
100
77
54

ISS Passover

Visibility (miles)

7
4
8
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 (%)

46
38
25
19
4
1
2
4
3
12
13
12
4
2
12
3
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)

12
12
13
13
12
12
10
9
9
8
9
9
10
10
10
10
10
9
9
9
8
7
5
4

Chance of Frost

Temperature (°C)

19
18
18
18
18
18
18
17
17
17
17
17
18
19
20
21
21
22
22
22
22
22
20
19

Feels Like (°C)

16
16
16
16
16
16
16
16
16
16
16
17
16
18
18
20
20
21
21
21
21
20
19
18

Dew Point (°C)

14
16
16
16
16
16
16
16
16
16
16
15
14
13
13
13
12
12
12
12
11
12
12
12

Relative Humidity (%)

76
85
89
89
89
88
88
90
92
92
95
88
78
70
66
61
55
52
52
51
50
54
58
62

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1022

Ozone (du)

299
301
301
300
300
298
296
297
298
302
307
309
307
303
299
296
296
296
295
294
292
291
289
289

Sunday 13

Waxing Crescent 13%

10:47

19:53

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

Sun - Rise: 06:33, Set: 19:17, Transit: 12:55. Moon - Rise: 10:47, Set: 19:53. Civil Dark: 19:51 - 05:59. Nautical Dark: 20:32 - 05:18. Astro Dark: 21:18 - 04:35

Total Clouds (% Sky Obscured)

54
56
54
53
68
82
97
87
75
62
34
28
16
36
57
83
89
87
98
70
74
55
68
66

Low Clouds (% Sky Obscured)

1
1
0
0
16
34
51
32
16
0
2
5
7
23
41
68
79
74
91
58
63
41
54
46

Medium Clouds (% Sky Obscured)

14
56
49
21
10
7
8
8
10
11
3
2
1
2
4
5
8
11
9
15
17
11
13
28

High Clouds (% Sky Obscured)

31
36
36
33
43
58
73
59
40
24
6
6
1
0
0
0
0
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
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
2
13
7
15
15
16
11
6

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)

4
4
3
3
4
4
4
4
5
5
6
6
7
8
9
10
11
12
12
12
12
11
9
8

Chance of Frost

Temperature (°C)

18
17
16
15
15
15
14
14
14
14
14
16
18
19
21
23
24
24
24
24
24
23
22
22

Feels Like (°C)

17
16
16
15
14
14
13
13
14
13
13
16
17
20
22
23
23
23
24
24
25
23
24
23

Dew Point (°C)

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

Relative Humidity (%)

62
69
73
75
78
79
83
83
89
89
89
82
71
70
67
64
61
60
62
67
61
65
68
70

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020

Ozone (du)

288
289
289
287
285
283
282
281
280
281
281
282
283
285
288
289
289
289
290
290
290
289
289
290

Monday 14

Waxing Crescent 21%

12:06

20:12

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 OK
20 OK

Sun - Rise: 06:35, Set: 19:14, Transit: 12:55. Moon - Rise: 12:06, Set: 20:12. Civil Dark: 19:48 - 06:01. Nautical Dark: 20:29 - 05:20. Astro Dark: 21:16 - 04:37

Total Clouds (% Sky Obscured)

87
91
96
100
96
84
65
59
83
99
100
100
100
100
100
100
83
64
47
42
41
42
30
15

Low Clouds (% Sky Obscured)

54
58
58
54
56
62
65
56
44
45
46
52
49
41
35
42
36
31
23
32
41
42
30
15

Medium Clouds (% Sky Obscured)

80
86
93
96
94
64
26
9
58
99
100
100
100
98
97
90
72
55
40
18
11
0
0
0

High Clouds (% Sky Obscured)

43
47
48
52
7
5
3
27
53
95
97
98
100
82
67
65
47
23
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
7
9
8
7
6
7
8
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
3
3
1
4
8
11
35
19
24
43
55
61
70
50
25
23
27
32
38
32
16
7
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
9
9
10
10
10
10
10
9
9
9
8
9
11
11
12
12
12
13
17
16
13
11
11

Chance of Frost

Temperature (°C)

21
20
20
20
19
19
19
18
18
18
18
18
18
19
20
20
21
20
20
19
18
17
16
15

Feels Like (°C)

22
20
20
20
19
19
18
19
19
18
17
17
16
17
17
17
17
19
20
20
20
19
19
12

Dew Point (°C)

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

Relative Humidity (%)

74
77
84
84
88
89
88
89
92
92
89
83
77
68
60
56
50
58
65
73
74
76
75
78

Pressure (mb)

1019
1019
1019
1019
1018
1018
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1014
1014
1015
1015

Ozone (du)

292
294
297
293
293
292
292
292
292
292
291
292
292
293
293
294
298
303
307
311
317
323
329
330

Tuesday 15

Waxing Crescent 30%

13:22

20:36

21 Good
22 Good
23 Good
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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:37, Set: 19:12, Transit: 12:54. Moon - Rise: 13:22, Set: 20:36. Civil Dark: 19:46 - 06:03. Nautical Dark: 20:27 - 05:22. Astro Dark: 21:13 - 04:39

Total Clouds (% Sky Obscured)

0
6
12
18
19
19
20
26
31
36
51
66
80
82
85
88
84
78
76
80
86
84
85
92

Low Clouds (% Sky Obscured)

0
4
7
11
12
14
14
18
24
28
46
66
80
81
77
73
57
40
24
24
28
31
31
30

Medium Clouds (% Sky Obscured)

0
0
1
1
2
3
5
5
5
5
6
6
6
10
20
35
38
46
50
62
69
74
61
51

High Clouds (% Sky Obscured)

0
0
0
0
1
1
1
3
4
6
15
24
32
52
71
88
84
69
40
30
26
21
39
64

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
4
4
5
6
7
8
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
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
4
5
9
11
7
23
34
49
45
45
48
46
49
52
38
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
12
12
12
10
10
10
10
10
11
10
10
11
11
12
12
17
17
17
17
18
18
14

Dew Point (°C)

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

Relative Humidity (%)

79
80
80
81
81
83
86
88
88
88
90
81
76
71
66
60
55
53
51
50
56
63
69
73

Pressure (mb)

1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

331
332
333
334
334
334
335
335
335
336
337
338
339
340
341
343
344
338
333
327
324
320
316
314

Wednesday 16

Waxing Crescent 39%

14:32

No Set

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: 06:38, Set: 19:10, Transit: 12:54. Moon - Rise: 14:32, Set: No Set. Civil Dark: 19:44 - 06:04. Nautical Dark: 20:24 - 05:24. Astro Dark: 21:10 - 04:41

Total Clouds (% Sky Obscured)

100
100
100
100
99
97
96
89
80
69
61
57
55
64
76
87
79
72
66
73
84
90

Low Clouds (% Sky Obscured)

31
22
14
5
11
19
24
46
63
69
61
57
55
64
76
80
77
72
66
73
84
90

Medium Clouds (% Sky Obscured)

15
34
50
70
78
87
96
89
80
69
61
57
55
64
76
87
79
72
59
44
26
5

High Clouds (% Sky Obscured)

85
85
80
70
65
65
40
37
33
30
34
38
42
38
35
27
17
25
33
38
42
46

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

Precipitation Probability (%)

2
2
1
0
2
3
1
5
6
6
10
9
5
17
21
24
25
23
16
15
14
16

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
76
78
79
80
80
82
84
82
80
79
79
80
80
82
83
85
83
81
79
77
74

Pressure (mb)

1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013

Ozone (du)

312
310
310
311
311
311
311
311
310
308
306
305
303
301
302
302
303
305
306
308
307
307

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

Generated: 10/09/26 21:07:02. Forecast: 10/09/26 to 16/09/26. Timezone: UTC+1.00