Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

First Quarter 56%

15:44

23:03

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

Sun - Rise: 06:13, Set: 20:24, Transit: 13:18. Moon - Rise: 15:44, Set: 23:03. Civil Dark: 21:00 - 05:38. Nautical Dark: 21:44 - 04:54. Astro Dark: 22:35 - 04:03

Total Clouds (% Sky Obscured)

34
46
39
58
40
50
36
34
26
27
25
8
15
1
8
16
24
17
25
30
35
43
53
69

Low Clouds (% Sky Obscured)

34
37
39
45
40
50
35
33
26
27
25
8
15
0
8
14
18
8
20
21
15
0
0
0

Medium Clouds (% Sky Obscured)

8
4
22
0
0
0
0
0
0
0
0
0
0
0
2
4
11
7
10
14
17
30
33
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

23
30
20
25
9
19
5
6
4
5
1
2
2
1
0
1
0
1
1
2
1
3
4
9

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)

11
13
14
15
16
17
16
16
16
15
14
12
9
9
8
8
6
5
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

17
18
19
20
20
21
21
21
20
19
18
17
15
14
13
13
13
13
12
12
12
11
11
14

Feels Like (°C)

15
14
16
15
16
17
17
17
17
16
15
15
14
14
13
13
13
13
13
12
12
12
12
14

Dew Point (°C)

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

Relative Humidity (%)

66
62
55
56
52
50
49
50
53
54
58
71
87
90
92
92
93
93
92
92
92
92
90
79

Pressure (mb)

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

Ozone (du)

340
340
339
337
336
337
338
339
339
338
338
338
337
337
336
336
338
340
342
344
343
343
344
346

Friday 21

Waxing Gibbous 66%

16:49

23:43

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

Sun - Rise: 06:15, Set: 20:22, Transit: 13:18. Moon - Rise: 16:49, Set: 23:43. Civil Dark: 20:58 - 05:39. Nautical Dark: 21:42 - 04:55. Astro Dark: 22:32 - 04:06

Total Clouds (% Sky Obscured)

84
86
68
86
100
69
73
75
43
23
7
1
1
2
8
10
4
16
11
2
2
1
3
2

Low Clouds (% Sky Obscured)

55
56
56
77
90
52
58
51
43
23
7
0
0
0
5
6
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

45
59
20
53
93
69
68
18
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
6
17
47
58
11
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1

ISS Passover

Visibility (miles)

9
9
5
3
2
3
3
2
3
3
8
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
51
76
90
95
95
95
95
67
36
7
2
2
1
1
1
2
1
1
3
5
8
8
2

Precipitation Amount (mm)

0
0.2
0.6
0.8
1.1
1.7
1.8
1.4
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
6
4
3
4
3
4
5
7
8
8
6
5
4
4
5
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

16
17
18
19
19
18
18
18
18
18
17
16
14
13
12
12
12
12
12
12
11
11
11
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
58
55
57
70
82
85
80
77
73
78
82
87
89
89
87
84
84
84
86
87
88
87
83

Pressure (mb)

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

Ozone (du)

347
347
347
348
349
351
353
355
357
358
358
359
359
358
358
358
358
357
359
360
359
358
356
355

Saturday 22

Waxing Gibbous 75%

17:43

00:34

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

Sun - Rise: 06:16, Set: 20:20, Transit: 13:17. Moon - Rise: 17:43, Set: 00:34. Civil Dark: 20:55 - 05:41. Nautical Dark: 21:39 - 04:57. Astro Dark: 22:29 - 04:08

Total Clouds (% Sky Obscured)

10
28
25
21
1
14
13
23
49
56
48
43
58
25
15
14
27
24
8
0
9
57
65
72

Low Clouds (% Sky Obscured)

9
28
25
18
0
0
0
8
21
36
35
26
0
0
0
0
0
0
0
0
7
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
21
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
0
4
1
14
13
23
25
40
21
33
58
25
15
11
17
23
7
0
4
54
61
68

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
1
1
0
0
0
0
0
0
0
0
0
0
0
0
5
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)

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

Chance of Frost

Temperature (°C)

15
17
18
19
20
20
20
21
20
19
19
17
15
14
13
13
12
12
11
11
11
10
10
13

Feels Like (°C)

15
16
16
18
18
19
17
18
19
17
17
15
13
12
10
11
11
9
10
10
10
9
10
13

Dew Point (°C)

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

Relative Humidity (%)

75
65
54
49
44
42
41
41
42
49
55
61
64
65
69
75
75
73
72
75
77
77
73
64

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

354
355
354
353
353
353
354
353
352
351
353
352
351
351
350
351
351
353
356
358
358
354
350
348

Sunday 23

Waxing Gibbous 83%

18:26

01:37

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

Sun - Rise: 06:18, Set: 20:18, Transit: 13:17. Moon - Rise: 18:26, Set: 01:37. Civil Dark: 20:53 - 05:43. Nautical Dark: 21:37 - 04:59. Astro Dark: 22:26 - 04:11

Total Clouds (% Sky Obscured)

75
71
67
68
48
24
0
4
8
12
30
48
66
76
90
95
100
100
96
97
97
98
91
85

Low Clouds (% Sky Obscured)

0
4
8
12
8
4
0
0
0
0
0
0
0
0
0
0
6
12
16
24
30
34
29
22

Medium Clouds (% Sky Obscured)

0
4
8
11
9
5
0
0
0
0
11
23
31
23
13
5
3
2
0
12
25
37
32
28

High Clouds (% Sky Obscured)

70
63
56
53
35
16
0
3
7
10
12
15
18
42
73
86
99
93
93
87
78
69
54
41

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
1
2
9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
51
45
42
38
35
34
32
33
36
47
64
72
67
64
61
63
64
67
70
75
80
78
75

Pressure (mb)

1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1020
1020
1019
1019
1019
1019

Ozone (du)

346
345
345
345
345
345
344
343
342
341
339
338
338
337
334
332
330
328
327
327
327
328
328
327

Monday 24

Waxing Gibbous 90%

18:58

02:47

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
08 Bad

Sun - Rise: 06:19, Set: 20:16, Transit: 13:17. Moon - Rise: 18:58, Set: 02:47. Civil Dark: 20:51 - 05:44. Nautical Dark: 21:34 - 05:01. Astro Dark: 22:23 - 04:13

Total Clouds (% Sky Obscured)

80
87
93
100
98
96
94
96
98
100
100
98
100
100
100
100
93
85
78
90
96
100
98
97

Low Clouds (% Sky Obscured)

17
20
22
25
22
11
0
0
0
0
29
58
86
72
57
40
44
42
42
23
17
14
19
51

Medium Clouds (% Sky Obscured)

41
79
88
87
74
84
19
88
93
100
92
76
100
90
98
65
70
79
78
90
94
90
74
55

High Clouds (% Sky Obscured)

30
53
78
99
96
94
91
94
97
99
73
73
99
100
100
100
85
65
48
71
81
100
98
97

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
5
4
3
5
3
0
7
10
10
28
41
50
42
29
20
44
38
19
34
22
7
9
7

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
15
15
14
15
15
14
15
15
15
14
14
14
14
14
13
13
13
13
13
14
14

Dew Point (°C)

13
11
9
10
10
10
11
10
10
10
10
11
11
10
11
11
13
13
13
13
14
14
15
14

Relative Humidity (%)

72
60
51
50
51
50
53
48
50
54
55
61
61
59
65
61
74
76
78
78
79
78
80
76

Pressure (mb)

1018
1018
1017
1017
1016
1015
1015
1014
1013
1013
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008

Ozone (du)

328
329
329
328
328
327
326
325
324
323
322
322
323
324
322
324
324
324
325
325
327
329
330
329

Tuesday 25

Waxing Gibbous 95%

19:22

04:02

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
08 Bad

Sun - Rise: 06:21, Set: 20:14, Transit: 13:17. Moon - Rise: 19:22, Set: 04:02. Civil Dark: 20:49 - 05:46. Nautical Dark: 21:32 - 05:03. Astro Dark: 22:20 - 04:15

Total Clouds (% Sky Obscured)

95
91
86
86
84
72
58
59
60
62
74
87
100
100
100
100
98
96
94
96
98
100
100
100

Low Clouds (% Sky Obscured)

62
69
62
52
54
56
58
58
55
53
63
74
84
76
70
60
58
57
56
61
65
68
71
75

Medium Clouds (% Sky Obscured)

38
29
30
36
29
17
2
4
5
5
4
4
5
6
10
15
27
39
58
75
84
99
96
92

High Clouds (% Sky Obscured)

95
91
86
86
63
39
22
19
16
12
36
62
88
93
94
93
75
53
31
48
66
83
57
33

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
6
5
3
2
0
1
1
1
4
6
8
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
13
17
11
19
17
10
13
13
12
21
26
26
27
24
21
28
33
36
36
33
27
28
23

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)

15
16
13
12
12
10
10
9
9
8
9
7
5
3
3
3
3
2
2
2
3
4
6
8

Chance of Frost

Temperature (°C)

20
21
21
22
23
23
23
22
22
21
21
20
18
17
17
17
18
18
18
17
17
17
17
18

Feels Like (°C)

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

Dew Point (°C)

15
16
16
17
18
18
18
18
18
18
18
18
17
17
17
17
17
17
17
17
17
17
17
17

Relative Humidity (%)

75
73
73
73
73
74
74
75
77
81
84
88
93
98
98
98
98
98
98
100
98
96
96
90

Pressure (mb)

1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009

Ozone (du)

329
328
325
323
320
319
318
316
316
316
315
315
315
316
314
313
312
311
311
310
312
314
316
318

Wednesday 26

Waxing Gibbous 99%

19:41

05:17

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

Sun - Rise: 06:22, Set: 20:12, Transit: 13:16. Moon - Rise: 19:41, Set: 05:17. Civil Dark: 20:47 - 05:48. Nautical Dark: 21:29 - 05:05. Astro Dark: 22:17 - 04:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
100
100
100
100
100
100
99
98
91
85
78
86
93
100

Low Clouds (% Sky Obscured)

77
70
63
55
64
72
80
82
84
87
81
75
70
71
73
75
73
70
67
67
65
62

Medium Clouds (% Sky Obscured)

88
92
96
100
95
89
84
86
89
96
74
52
30
31
32
37
39
39
36
24
12
0

High Clouds (% Sky Obscured)

18
48
71
93
90
86
83
89
94
100
93
85
76
73
72
73
52
31
10
38
68
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
3
0
1
1
2
3
3
4
6
8

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
Very 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

Precipitation Probability (%)

15
14
16
18
43
70
95
92
86
94
81
64
36
35
33
26
23
17
4
8
7
3

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.8
0.6
0.4
0.6
0.5
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
19
19
19
20
20
20
20
19
19
19
19
19
19
18
19
18
17
17
17
17
17

Dew Point (°C)

17
17
17
18
18
18
18
18
18
18
18
18
18
17
17
17
17
17
17
17
16
15

Relative Humidity (%)

86
81
84
84
85
86
86
88
89
89
89
93
96
98
98
100
98
96
98
96
95
95

Pressure (mb)

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

Ozone (du)

319
320
321
322
324
324
325
326
328
331
333
335
337
339
340
342
343
344
344
345
347
348

Forecast for Buckfastleigh, Devon, United Kingdom (50.48,-3.78)

Generated: 20/08/26 09:26:52. Forecast: 20/08/26 to 26/08/26. Timezone: UTC+1.00