Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Gibbous 95%

19:22

04:00

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: 06:18, Set: 20:13, Transit: 13:16. Moon - Rise: 19:22, Set: 04:00. Civil Dark: 20:48 - 05:43. Nautical Dark: 21:32 - N/A. Astro Dark: 22:21 - 04:13

Total Clouds (% Sky Obscured)

96
92
91
92
96
79
98
96
96
99
99
100
94
100
100
100
100
100
96
83
65
58
70
81

Low Clouds (% Sky Obscured)

18
12
28
23
65
35
37
27
42
37
19
24
34
47
36
51
57
56
56
47
38
32
43
68

Medium Clouds (% Sky Obscured)

65
35
88
92
92
52
98
94
90
95
82
63
6
13
31
33
79
10
5
4
0
0
0
0

High Clouds (% Sky Obscured)

25
53
56
59
11
56
54
53
67
68
80
100
80
100
100
100
100
100
73
20
1
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

13
18
25
27
16
19
33
33
16
11
33
25
30
37
32
43
60
36
13
13
2
6
2
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
8
7
13
13
14
15
15
16
16
15
13
12
10
8
6
6
6
5
4
3
3
3

Chance of Frost

Temperature (°C)

14
14
14
15
17
19
21
22
23
24
24
23
22
22
20
19
18
18
18
18
18
18
17
17

Feels Like (°C)

12
12
12
12
14
15
18
18
19
19
20
19
20
19
19
18
18
18
18
18
18
19
19
19

Dew Point (°C)

11
11
11
11
10
9
8
9
10
12
13
14
16
17
18
18
18
17
17
17
17
17
17
16

Relative Humidity (%)

82
83
83
75
64
53
44
42
45
48
52
57
65
75
86
95
98
96
96
96
96
96
98
98

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

327
328
327
325
323
323
323
320
320
320
320
320
321
322
322
322
324
326
326
327
329
330
329
327

Wednesday 26

Waxing Gibbous 99%

19:41

No Set

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: 06:19, Set: 20:11, Transit: 13:15. Moon - Rise: 19:41, Set: No Set. Civil Dark: 20:46 - 05:44. Nautical Dark: 21:29 - 05:01. Astro Dark: 22:18 - 04:15

Total Clouds (% Sky Obscured)

87
88
83
78
99
69
59
41
66
95
71
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

81
88
83
78
80
68
42
22
12
15
12
15
0
0
0
3
21
36
47
45
69
77
94
80

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
3
0
0
0
5
74
58
100
100
97
99
100
100
99
62
100

High Clouds (% Sky Obscured)

1
10
30
46
95
10
1
2
60
87
55
100
100
100
100
100
49
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
2
9
9
9
9
7
7
7
7
7
7
9
9
9
9
9
9
9
9
9
6
5
6

Fog (%)

29
91
91
80
1
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
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain

Precipitation Probability (%)

1
3
3
4
3
5
1
0
0
1
0
0
0
5
1
9
26
31
44
81
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.7
1.9
2.6
2.4

Wind Speed/Direction (mph)

3
3
4
5
6
8
10
11
13
14
14
13
12
10
8
5
3
4
5
6
6
6
6
8

Chance of Frost

Temperature (°C)

17
16
17
18
20
21
22
22
23
23
22
22
21
20
20
19
18
17
18
18
18
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
95
90
88
80
68
59
55
56
58
60
67
67
72
89
90
92
95
95
95
96
95
96

Pressure (mb)

1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1008
1007
1006
1006

Ozone (du)

326
326
327
328
330
330
328
327
325
325
325
325
325
324
325
324
325
327
326
328
327
330
332
331

Thursday 27

Waxing Gibbous 100%

19:56

05:15

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: 06:21, Set: 20:09, Transit: 13:15. Moon - Rise: 19:56, Set: 05:15. Civil Dark: 20:44 - 05:46. Nautical Dark: 21:27 - 05:03. Astro Dark: 22:15 - 04:18

Total Clouds (% Sky Obscured)

100
83
73
72
72
99
92
80
83
73
85
76
63
100
83
53
66
75
72
95
83
77
67
62

Low Clouds (% Sky Obscured)

58
79
73
60
52
45
23
27
29
30
23
24
21
17
19
23
25
29
30
34
31
31
28
26

Medium Clouds (% Sky Obscured)

92
83
3
0
0
7
7
3
4
7
79
5
31
85
47
4
4
1
4
3
3
3
3
0

High Clouds (% Sky Obscured)

100
30
20
16
15
89
53
43
26
21
60
60
15
98
66
23
34
54
48
82
64
50
30
18

ISS Passover

Visibility (miles)

4
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

Moderate Rain
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 (%)

95
53
16
11
13
4
4
7
13
17
7
6
1
2
3
2
2
4
10
3
4
7
5
19

Precipitation Amount (mm)

2.8
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)

8
6
5
6
10
12
13
13
12
15
15
14
13
12
11
9
6
4
5
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
17
17
17
16
15
12
10
9
8
8
10
8
8
9
12
13
13
13
13
13
13
13
13

Relative Humidity (%)

96
96
95
93
85
73
60
48
42
41
41
44
42
43
49
65
79
83
85
87
87
89
89
87

Pressure (mb)

1005
1005
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006

Ozone (du)

332
334
334
335
337
337
337
339
341
342
342
342
342
344
344
343
342
342
343
343
343
343
343
342

Friday 28

Full Moon 99%

20:09

06:31

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: 06:22, 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)

50
53
59
68
89
94
97
94
91
61
51
49
54
62
81
78
72
74
69
70
80
83
100
100

Low Clouds (% Sky Obscured)

27
25
30
30
31
34
37
42
53
40
29
22
24
44
49
28
26
35
44
34
74
65
73
61

Medium Clouds (% Sky Obscured)

0
0
2
3
5
7
8
21
10
4
4
7
8
10
62
6
5
1
8
70
80
4
32
53

High Clouds (% Sky Obscured)

3
3
7
12
37
39
40
28
30
3
0
0
2
1
36
55
55
61
56
21
32
36
58
99

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 (%)

11
9
23
24
14
24
28
21
28
37
40
37
27
8
9
17
5
7
6
2
4
6
5
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
12
10
8
7
6
6
6
6
7
8
10
13
15
16
15
15
14
14
14
14

Relative Humidity (%)

87
87
90
78
70
55
44
40
37
35
34
35
37
45
55
72
85
92
90
89
87
83
89
87

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1006
1006
1007
1007
1008
1008
1008
1009
1009
1009
1008
1008

Ozone (du)

341
341
339
336
335
335
334
334
332
333
332
326
320
318
317
316
314
311
309
307
305
303
300
299

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 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
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
100
100
100
100
100
100
100
100
82
64
47
45
45
44
54
60
66
57
47
40
54

Low Clouds (% Sky Obscured)

28
33
65
61
82
86
89
93
92
91
89
75
60
45
45
45
44
54
60
66
57
47
40
54

Medium Clouds (% Sky Obscured)

38
63
100
97
85
98
99
99
91
82
75
50
25
0
0
0
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

100
100
100
100
100
97
94
92
64
48
55
33
17
0
0
0
0
0
0
0
0
0
0
2

ISS Passover

Visibility (miles)

9
9
9
9
4
8
9
5
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
Light Rain
Very 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

Precipitation Probability (%)

7
5
19
48
72
72
95
95
95
95
95
93
68
30
20
10
2
5
8
5
10
8
2
6

Precipitation Amount (mm)

0
0
0
0
0.4
0.3
0.5
0.8
1.6
1.3
0.6
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
4
4
5
9
9
9
10
12
10
11
14
13
13
13
10
8
6
6
6
7
6
6
6

Chance of Frost

Temperature (°C)

15
14
14
15
17
17
17
17
18
18
19
19
19
19
19
17
16
15
15
15
16
15
14
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
93
93
89
79
93
96
95
89
78
70
61
59
58
56
62
68
75
73
72
69
74
78
83

Pressure (mb)

1008
1008
1008
1008
1008
1007
1007
1006
1006
1005
1005
1005
1005
1006
1006
1007
1008
1009
1009
1009
1010
1010
1010
1010

Ozone (du)

299
298
297
296
295
297
300
302
303
306
308
311
311
311
311
310
309
308
308
308
308
308
308
308

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)

69
83
74
59
47
56
63
74
73
73
69
67
65
67
71
76
85
78
66
56
55
55
53
53

Low Clouds (% Sky Obscured)

64
74
60
43
24
34
44
54
62
69
62
60
52
40
28
16
5
15
27
38
39
40
40
50

Medium Clouds (% Sky Obscured)

2
3
3
2
2
2
9
11
9
7
6
5
5
4
4
5
6
4
3
2
2
2
1
1

High Clouds (% Sky Obscured)

3
4
3
1
0
15
27
35
27
10
0
4
8
14
19
45
60
48
25
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

9
9
15
17
15
51
68
76
80
86
86
73
77
68
59
51
26
30
30
18
23
23
13
18

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.4
0.4
0.6
0.5
0.2
0.4
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
8
11
14
15
16
17
18
19
20
18
17
15
14
13
12
12
13
13
14
15
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
80
79
68
60
53
54
54
55
60
65
70
71
75
78
82
85
86
87
89
89
86
85
80

Pressure (mb)

1010
1010
1010
1009
1009
1009
1008
1008
1007
1007
1006
1006
1006
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1007

Ozone (du)

309
310
311
312
314
316
317
319
321
323
326
329
330
331
332
332
333
334
334
335
335
334
333
332

Monday 31

Waning Gibbous 83%

20:48

10:23

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)

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)

Welcome to Clear Outside

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

Generated: 25/08/26 05:46:28. Forecast: 25/08/26 to 31/08/26. Timezone: UTC+1.00