Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 26

Waxing Gibbous 99%

19:41

No Set

05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 OK
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

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)

19
22
47
56
56
44
21
87
90
76
67
65
74
85
100
100
96
72
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

19
22
47
56
55
38
13
38
37
27
20
15
10
0
0
0
3
2
20
38
41
30
55
57

Medium Clouds (% Sky Obscured)

4
5
19
42
1
0
0
0
4
0
0
0
5
10
10
20
64
24
53
80
66
100
100
100

High Clouds (% Sky Obscured)

19
22
46
56
2
2
6
33
35
25
23
30
39
50
100
100
60
30
100
100
100
78
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
7
7
9
9
9
9
9
9
9
9
9
9
9
9
8
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Heavy Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
2
15
30
54
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
0.6
1.5
1.5
11.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
93
86
71
61
56
56
56
57
61
65
69
74
86
90
92
92
93
90
90
90
93

Pressure (mb)

1011
1011
1011
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1010
1010
1009
1009
1008
1008
1008
1007

Ozone (du)

330
329
330
331
330
327
326
325
324
326
326
326
325
325
325
325
327
326
325
326
328
327
325
323

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
100
100
100
74
75
96
100
100
100
88
100
100
98
100
100
99
98
86
100
100
100
100
84

Low Clouds (% Sky Obscured)

83
90
91
86
49
57
53
43
42
33
22
23
20
16
7
9
15
18
16
17
16
16
12
10

Medium Clouds (% Sky Obscured)

100
92
85
90
74
64
8
15
14
26
20
19
39
47
4
7
45
79
19
19
47
46
92
75

High Clouds (% Sky Obscured)

100
100
100
100
15
20
27
100
100
100
88
100
100
97
100
100
99
96
82
100
100
100
100
27

ISS Passover

Visibility (miles)

9
9
1
1
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

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

Precipitation Probability (%)

95
95
83
69
44
32
25
33
26
25
36
27
13
7
3
3
3
3
3
2
1
1
4
3

Precipitation Amount (mm)

3.8
0.6
0.4
0.2
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
9
9
6
6
8
9
8
10
13
14
15
14
13
11
9
8
6
5
5
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
17
18
18
18
17
16
15
11
8
7
8
9
10
12
14
15
15
15
15
15
14
14
14

Relative Humidity (%)

96
96
96
98
93
84
77
66
54
43
39
41
44
49
58
71
86
90
90
92
92
92
92
92

Pressure (mb)

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

Ozone (du)

324
326
326
327
331
330
331
332
334
335
337
339
341
342
342
342
342
342
341
340
340
340
340
338

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 OK
20 OK
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)

63
55
100
100
100
89
94
100
99
90
89
75
61
58
38
46
63
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

11
15
11
18
33
34
28
48
88
84
83
75
61
58
38
19
24
28
22
27
78
79
83
88

Medium Clouds (% Sky Obscured)

63
55
89
98
100
43
58
100
98
44
12
8
1
4
9
5
4
5
5
83
87
92
100
100

High Clouds (% Sky Obscured)

25
35
81
96
100
29
84
31
28
5
0
0
0
1
3
33
25
100
100
100
100
97
100
52

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
7
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
Very Light Rain
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain

Precipitation Probability (%)

3
3
4
7
14
28
68
95
85
52
51
33
18
4
2
2
1
2
3
7
39
58
61
87

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
5
5
7
11
14
14
16
15
14
14
14
14
13
11
8
6
4
4
4
4
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
14
14
15
13
11
8
4
2
9
14
13
13
15
14
14
15
15
15
15
14
14
15
15

Relative Humidity (%)

95
95
95
86
71
58
45
36
34
53
68
63
62
71
70
76
90
95
95
95
93
92
93
93

Pressure (mb)

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

Ozone (du)

335
333
329
327
328
328
328
328
325
321
318
317
316
313
309
307
305
302
300
298
296
297
298
300

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 Bad
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
100
100
93
90
73
63
60
52
47
53
52
61
89
94
89
78
69
66
66
64
78

Low Clouds (% Sky Obscured)

94
100
93
85
80
79
85
61
45
43
32
28
40
47
39
33
38
58
69
51
20
17
15
20

Medium Clouds (% Sky Obscured)

99
34
21
15
15
12
10
5
3
2
0
0
1
1
1
0
0
0
4
4
0
33
38
40

High Clouds (% Sky Obscured)

22
0
22
47
65
43
20
0
0
0
0
0
2
2
25
78
87
78
59
50
50
55
55
73

ISS Passover

Visibility (miles)

4
7
2
1
3
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

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

Precipitation Probability (%)

95
95
95
84
58
81
95
95
68
56
30
19
14
9
8
6
2
3
2
3
3
4
3
5

Precipitation Amount (mm)

1
1.2
1
0.6
0
0.6
1.2
1.1
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
12
14
15
16
17
19
19
19
20
20
21
19
18
17
16
14
13
11
10
8
7
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
96
96
91
81
73
61
56
54
52
59
61
68
77
81
82
81
77
80
82
92
95

Pressure (mb)

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

Ozone (du)

301
304
304
305
306
308
310
309
307
307
307
307
308
307
306
305
305
305
305
306
306
307
309
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)

50
60
61
77
93
91
100
100
100
100
98
100
89
80
61
40
34
34
35
36
40
43
47
57

Low Clouds (% Sky Obscured)

27
39
27
37
51
51
48
67
82
39
54
31
37
21
10
10
10
9
8
9
18
26
33
40

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
13
78
98
31
67
9
12
15
3
4
5
7
9
12
16
20
26
40

High Clouds (% Sky Obscured)

38
36
40
45
45
52
100
100
100
100
97
100
89
80
52
28
8
9
17
21
28
32
31
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
5
3
5
7
9
6
5
5
6
8
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
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
8
17
24
27
36
59
95
95
95
87
87
95
90
66
48
25
29
30
6
8
12
4
8

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.6
1.2
1
0.4
0.4
0.7
0.3
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
4
5
10
12
14
16
17
13
14
15
14
14
13
11
10
8
9
9
9
11
12
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
84
69
61
56
57
74
86
82
72
66
71
76
81
85
89
89
90
90
89
89
86

Pressure (mb)

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

Ozone (du)

311
311
312
312
313
316
320
326
328
331
330
330
331
334
339
340
341
342
339
336
332
331
330
329

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 Bad
22 Bad
23 Bad
00 Bad
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)

68
79
83
89
88
84
80
76
80
88
100
100
100
100
100
99
99
98
97
97
96
96
95
94

Low Clouds (% Sky Obscured)

47
54
67
81
88
69
42
17
16
20
22
22
17
15
9
4
0
0
2
2
8
15
21
26

Medium Clouds (% Sky Obscured)

54
68
45
21
0
0
0
0
12
23
35
34
32
29
48
66
86
90
92
94
94
94
94
92

High Clouds (% Sky Obscured)

34
35
41
45
51
59
67
69
76
83
100
100
100
100
94
88
74
76
78
80
66
50
28
25

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
4
10
9
3
8
5
0
1
1
1
1
1
0
0
1
0
1
2
1
2
3
2
4

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
12
11
11
12
13
14
14
14
13
13
13
12
11
10
8
6
4
4
3
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
80
74
67
61
54
48
44
45
47
48
52
55
60
66
74
82
84
84
86
87
89
90

Pressure (mb)

1011
1012
1013
1014
1014
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

328
327
326
324
322
321
319
318
316
316
315
315
315
316
317
317
317
317
318
319
320
320
321
321

Tuesday 1

Waning Gibbous 74%

21:06

11:45

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

94
93
78
62
46
62
81
99
97
96
94
93
91
90
66
42
17
33
53
71

Low Clouds (% Sky Obscured)

31
37
31
24
16
34
51
67
77
87
94
72
48
24
17
9
2
18
33
49

Medium Clouds (% Sky Obscured)

90
88
64
37
11
8
6
4
4
5
5
15
26
38
27
16
5
15
25
35

High Clouds (% Sky Obscured)

12
10
5
2
0
33
65
97
72
41
17
22
24
25
22
20
17
25
31
38

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 (%)

5
4
8
10
3
19
27
29
30
30
21
20
18
4
6
2
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)

2
2
2
3
3
4
5
6
8
7
8
8
9
9
10
7
5
4
4
5

Chance of Frost

Temperature (°C)

12
12
12
14
16
18
19
20
21
22
22
22
21
21
20
18
17
15
15
14

Feels Like (°C)

12
12
11
12
13
14
15
17
18
21
21
20
20
21
20
17
17
16
15
13

Dew Point (°C)

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

Relative Humidity (%)

90
90
89
78
68
59
56
54
52
51
50
49
52
58
61
70
79
90
87
87

Pressure (mb)

1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022

Ozone (du)

322
322
322
320
318
315
315
315
315
313
312
311
311
310
310
310
309
309
308
307

Welcome to Clear Outside

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

Generated: 26/08/26 05:52:20. Forecast: 26/08/26 to 01/09/26. Timezone: UTC+1.00