Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

Full Moon 99%

20:09

06:31

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

Sun - Rise: 06:22, Set: 20:07, Transit: 13:15. Moon - Rise: 20:09, Set: 06:31. Civil Dark: 20:42 - 05:48. Nautical Dark: 21:24 - 05:05. Astro Dark: 22:12 - 04:20

Total Clouds (% Sky Obscured)

32
37
40
71
91
44
54
23
17
52
98
96
87
65
40
45
58
75
93
61
83
100
100
100

Low Clouds (% Sky Obscured)

9
12
11
10
35
20
26
21
14
30
93
89
82
49
24
45
51
37
29
32
51
72
84
90

Medium Clouds (% Sky Obscured)

32
37
40
38
5
5
3
0
0
13
60
29
15
7
4
0
2
1
13
1
23
68
99
100

High Clouds (% Sky Obscured)

25
9
40
70
36
9
10
0
0
1
2
5
0
19
24
0
13
52
73
34
33
99
100
100

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
5

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
Light Rain

Precipitation Probability (%)

3
3
3
6
5
6
6
5
4
7
11
33
27
10
5
5
6
7
6
9
9
15
37
95

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
0.7

Wind Speed/Direction (mph)

4
4
4
5
10
14
15
16
17
18
20
17
14
16
15
12
9
7
5
5
5
6
9
10

Chance of Frost

Temperature (°C)

13
13
13
14
17
19
21
22
23
23
22
19
20
20
19
19
18
17
16
16
16
15
16
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
87
74
60
48
41
36
36
39
51
55
54
70
85
83
87
93
93
96
95
90
92

Pressure (mb)

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

Ozone (du)

348
349
351
350
345
341
338
336
333
328
323
320
321
321
320
317
313
310
308
305
301
298
296
298

Saturday 29

Waning Gibbous 96%

20:21

07:47

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
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:24, Set: 20:05, Transit: 13:14. Moon - Rise: 20:21, Set: 07:47. Civil Dark: 20:39 - 05:49. Nautical Dark: 21:22 - 05:07. Astro Dark: 22:09 - 04:22

Total Clouds (% Sky Obscured)

100
100
100
98
100
100
100
98
99
93
98
74
77
58
62
57
42
41
54
45
34
61
55
56

Low Clouds (% Sky Obscured)

91
93
100
59
33
73
86
80
93
93
93
74
77
40
62
46
36
41
54
45
34
61
55
17

Medium Clouds (% Sky Obscured)

100
100
94
0
97
100
100
89
18
7
7
5
0
11
5
0
0
0
0
0
0
0
0
17

High Clouds (% Sky Obscured)

100
100
0
95
100
100
99
23
75
6
14
0
0
2
0
1
1
1
13
1
1
8
20
18

ISS Passover

Visibility (miles)

4
3
0
9
9
5
2
9
9
9
9
6
5
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

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

Precipitation Probability (%)

95
95
95
45
77
95
95
95
39
24
21
22
8
6
4
4
3
2
4
2
2
2
2
3

Precipitation Amount (mm)

1.5
2
0.8
0
0.3
1
2
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
15
16
14
15
16
17
21
21
23
23
23
22
18
19
16
15
13
11
11
10
9
8
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
93
86
82
92
91
91
82
86
78
82
82
82
85
89
89
87
83
82
78
78
84

Pressure (mb)

1005
1004
1003
1003
1003
1002
1001
1001
1000
1000
1001
1002
1003
1004
1005
1006
1007
1008
1008
1009
1009
1010
1010
1010

Ozone (du)

297
302
308
316
316
312
314
314
316
312
311
312
312
313
313
313
312
311
311
311
310
311
311
311

Sunday 30

Waning Gibbous 91%

20:34

09:04

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:25, Set: 20:03, Transit: 13:14. Moon - Rise: 20:34, Set: 09:04. Civil Dark: 20:37 - 05:51. Nautical Dark: 21:19 - 05:09. Astro Dark: 22:06 - 04:25

Total Clouds (% Sky Obscured)

89
94
65
87
82
80
88
97
100
100
98
55
61
61
77
66
39
41
96
83
86
52
55
61

Low Clouds (% Sky Obscured)

16
18
16
40
26
33
49
50
60
49
48
55
54
18
26
28
26
25
61
43
80
28
43
30

Medium Clouds (% Sky Obscured)

18
0
0
5
82
80
57
12
26
24
77
55
61
1
1
4
4
4
77
17
10
6
0
0

High Clouds (% Sky Obscured)

75
85
47
40
40
40
40
88
100
100
85
15
15
15
77
66
1
15
75
10
2
0
0
22

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
5
4
3
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
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
7
6
6
12
28
42
52
92
95
78
76
69
56
25
21
21
16
18
29
35
15
10
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
4
5
9
12
14
17
18
19
19
20
17
17
15
13
12
12
12
13
13
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
13
12
12
12
9
8
11
18
18
16
15
15
15
14
14
14
14
14
14

Relative Humidity (%)

93
95
95
86
72
64
57
55
53
49
45
56
89
89
85
89
90
92
90
89
89
87
89
92

Pressure (mb)

1010
1009
1010
1010
1010
1009
1009
1009
1008
1008
1008
1007
1007
1006
1007
1007
1007
1007
1007
1007
1007
1007
1008
1009

Ozone (du)

311
310
311
311
311
311
313
314
315
319
322
324
326
329
329
330
331
329
329
330
331
332
333
332

Monday 31

Waning Gibbous 83%

20:48

10:23

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
21 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:27, Set: 20:01, Transit: 13:14. Moon - Rise: 20:48, Set: 10:23. Civil Dark: 20:35 - 05:53. Nautical Dark: 21:17 - 05:11. Astro Dark: 22:03 - 04:27

Total Clouds (% Sky Obscured)

71
90
76
74
62
84
93
88
74
72
71
63
81
76
60
48
33
37
36
40
47
59
52
40

Low Clouds (% Sky Obscured)

27
28
22
44
36
70
24
25
23
17
11
7
5
7
0
0
0
0
0
0
6
11
17
18

Medium Clouds (% Sky Obscured)

0
0
0
0
0
4
8
8
8
7
7
7
7
7
7
3
33
37
36
40
47
59
52
22

High Clouds (% Sky Obscured)

43
65
53
44
31
76
89
83
55
51
47
32
52
40
30
35
33
35
36
3
37
55
3
12

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 (%)

30
7
13
24
6
5
1
0
1
1
0
1
2
4
2
3
1
2
2
2
3
3
2
3

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)

14
13
13
14
16
19
18
17
17
16
15
14
12
11
10
7
5
4
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

15
15
15
16
17
17
18
19
19
20
20
20
20
19
18
16
15
14
13
13
13
12
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
86
82
74
61
50
44
43
42
46
50
54
63
78
87
86
87
87
87
89
88
88

Pressure (mb)

1009
1010
1011
1013
1014
1015
1016
1016
1017
1017
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

330
329
329
327
325
322
320
317
315
314
312
312
311
312
311
312
314
315
316
319
320
322
322
322

Tuesday 1

Waning Gibbous 74%

21:06

11:45

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 Bad

Sun - Rise: 06:28, Set: 19:58, Transit: 13:13. Moon - Rise: 21:06, Set: 11:45. Civil Dark: 20:33 - 05:54. Nautical Dark: 21:14 - 05:13. Astro Dark: 22:00 - 04:29

Total Clouds (% Sky Obscured)

44
59
67
99
92
77
90
97
98
99
100
100
100
100
85
81
81
87
93
100
78
53
29
50

Low Clouds (% Sky Obscured)

22
26
20
16
13
21
35
57
73
73
74
36
23
29
12
10
8
14
21
28
24
22
19
19

Medium Clouds (% Sky Obscured)

5
5
0
0
0
0
0
4
5
10
10
17
93
93
85
81
81
74
55
36
25
15
0
0

High Clouds (% Sky Obscured)

25
36
49
99
83
55
60
70
75
86
99
100
100
100
75
50
40
60
86
100
69
35
5
35

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 (%)

4
3
4
5
3
5
6
19
21
25
26
8
6
2
7
8
4
7
7
4
7
8
2
12

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)

3
3
3
4
7
10
12
13
15
16
16
16
16
15
14
10
9
8
8
8
8
8
7
6

Chance of Frost

Temperature (°C)

11
11
11
13
16
18
19
20
21
21
21
21
20
20
19
19
17
16
16
16
16
16
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
88
79
68
57
53
47
46
49
51
51
53
58
68
75
82
90
90
93
95
95
95
93

Pressure (mb)

1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1016
1016
1019
1019
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

321
320
321
321
320
319
320
320
319
319
319
320
323
324
324
324
324
324
327
331
334
330
327
323

Wednesday 2

Waning Gibbous 74%

21:30

13:10

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:30, Set: 19:56, Transit: 13:13. Moon - Rise: 21:30, Set: 13:10. Civil Dark: 20:30 - 05:56. Nautical Dark: 21:12 - 05:14. Astro Dark: 21:57 - 04:31

Total Clouds (% Sky Obscured)

73
99
99
100
100
94
88
84
81
80
82
88
94
99
99
100
100
91
82
74
75
74
72
73

Low Clouds (% Sky Obscured)

16
12
11
8
5
4
4
13
17
30
35
36
28
19
15
11
7
20
36
48
61
74
72
73

Medium Clouds (% Sky Obscured)

0
0
4
12
16
15
17
16
14
12
10
23
32
46
60
76
90
82
74
61
61
60
64
57

High Clouds (% Sky Obscured)

64
90
93
96
100
90
81
71
67
69
72
63
49
30
30
31
46
44
43
41
42
39
30
30

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 (%)

14
12
21
23
28
24
20
13
10
11
7
12
13
10
14
14
13
15
16
11
9
11
7
12

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
13
14
14
14
14
15
21
20
19
19
20
20
16
16
16
16
16
16
15
15
14

Dew Point (°C)

14
14
14
13
12
11
9
8
7
6
6
5
6
7
8
9
10
11
12
13
14
14
15
15

Relative Humidity (%)

93
93
92
81
71
61
52
45
39
36
34
32
36
42
48
54
60
66
73
78
85
83
85
85

Pressure (mb)

1019
1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018

Ozone (du)

323
323
323
322
322
322
319
316
313
311
309
307
304
302
299
298
296
294
294
295
295
295
295
295

Thursday 3

Waning Gibbous 63%

22:04

14:35

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:31, Set: 19:54, Transit: 13:13. Moon - Rise: 22:04, Set: 14:35. Civil Dark: 20:28 - 05:58. Nautical Dark: 21:09 - 05:16. Astro Dark: 21:54 - 04:34

Total Clouds (% Sky Obscured)

73
75
74
75
74
77
78
81
77
73
67
70
69
70
63
55
47
53
63
72

Low Clouds (% Sky Obscured)

73
75
74
75
74
77
78
81
77
73
66
49
32
16
14
13
11
22
32
42

Medium Clouds (% Sky Obscured)

53
49
38
23
5
12
18
25
18
10
3
13
24
34
26
15
5
5
4
4

High Clouds (% Sky Obscured)

15
15
10
10
15
14
21
19
17
9
10
14
16
18
20
22
24
25
22
19

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

12
9
11
10
2
12
16
17
19
20
16
14
12
1
4
3
0
0
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
17
16
17
17
18
18
19
20
19
19
19
20
17
16
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

85
86
89
86
85
84
82
81
79
74
68
63
66
69
74
76
81
83
85
85

Pressure (mb)

1018
1018
1019
1019
1019
1020
1020
1020
1021
1021
1020
1020
1020
1020
1020
1020
1020
1021
1020
1020

Ozone (du)

294
293
292
292
291
291
291
290
290
289
287
286
286
287
287
287
287
288
288
287

Welcome to Clear Outside

Forecast for Alphington, Devon, United Kingdom (50.70,-3.52)

Generated: 28/08/26 05:00:50. Forecast: 28/08/26 to 03/09/26. Timezone: UTC+1.00