Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

First Quarter 66%

16:49

23:01

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

Sun - Rise: 06:12, Set: 20:22, Transit: 13:17. Moon - Rise: 16:49, Set: 23:01. Civil Dark: 20:57 - 05:36. Nautical Dark: 21:44 - 04:51. Astro Dark: 22:36 - 04:01

Total Clouds (% Sky Obscured)

38
35
30
42
33
28
33
51
58
62
70
67
82
80
83
86
70
56
49
65
52
53
29
3

Low Clouds (% Sky Obscured)

30
14
21
42
33
28
25
33
40
40
31
36
47
59
79
77
46
40
40
55
50
53
29
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
18
32
40
41
49
31
41
32
11
18
48
23
6
5
4
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
2
2
1
0
2
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
3
7
3
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

9
11
1
4
1
1
1
3
2
2
2
3
19
49
71
75
77
67
41
25
29
14
9
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
0.5
0.7
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
14
13
13
12
12
11
10
10
10
13
16
17
18
18
18
19
19
19
20
19
19
17

Feels Like (°C)

15
14
14
13
13
13
12
11
10
10
10
12
14
15
16
18
18
18
19
18
18
17
16
15

Dew Point (°C)

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

Relative Humidity (%)

79
83
90
93
92
93
90
91
93
95
91
79
66
55
54
59
64
62
60
54
46
44
49
61

Pressure (mb)

1010
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1017

Ozone (du)

341
340
340
340
340
342
344
345
346
344
344
345
348
349
348
348
350
352
353
355
357
360
361
360

Friday 21

Waxing Gibbous 75%

17:44

23:40

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

Sun - Rise: 06:13, Set: 20:20, Transit: 13:16. Moon - Rise: 17:44, Set: 23:40. Civil Dark: 20:55 - 05:38. Nautical Dark: 21:42 - 04:53. Astro Dark: 22:33 - 04:03

Total Clouds (% Sky Obscured)

2
2
22
38
31
29
25
39
52
52
13
6
10
19
53
72
74
86
94
93
73
46
20
20

Low Clouds (% Sky Obscured)

1
0
13
26
11
5
10
26
43
44
5
3
9
19
53
39
10
15
80
39
38
12
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
9
3
0
0
0
0
38
34
42
31
40
26
12
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
13
22
39
24
27
21
22
20
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 (%)

5
1
0
0
2
1
1
2
3
2
1
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)

7
6
5
4
4
5
4
4
4
3
3
3
4
6
6
5
5
7
7
5
5
6
2
3

Chance of Frost

Temperature (°C)

15
13
12
11
11
11
11
10
10
9
9
11
15
17
19
20
21
21
21
21
21
21
20
18

Feels Like (°C)

14
13
12
11
10
9
9
8
8
8
8
11
14
16
18
19
18
18
18
18
19
18
19
17

Dew Point (°C)

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

Relative Humidity (%)

80
89
90
88
85
80
77
74
73
74
77
66
58
49
43
38
36
38
41
43
42
42
40
51

Pressure (mb)

1018
1018
1019
1019
1020
1020
1020
1021
1021
1022
1023
1023
1024
1024
1024
1024
1023
1023
1023
1023
1024
1024
1024
1024

Ozone (du)

359
360
359
357
358
359
359
358
359
361
360
361
360
359
358
355
355
354
353
353
352
351
351
352

Saturday 22

Waxing Gibbous 75%

18:26

00:32

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

Sun - Rise: 06:15, Set: 20:18, Transit: 13:16. Moon - Rise: 18:26, Set: 00:32. Civil Dark: 20:53 - 05:39. Nautical Dark: 21:39 - 04:55. Astro Dark: 22:30 - 04:06

Total Clouds (% Sky Obscured)

20
22
82
100
100
100
100
73
56
56
37
2
7
8
49
85
77
65
52
61
73
88
98
89

Low Clouds (% Sky Obscured)

0
0
0
9
31
43
47
52
52
48
32
0
0
0
4
8
12
16
19
13
6
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
26
23
22
21
18
14
13
8
6

High Clouds (% Sky Obscured)

20
22
82
100
100
99
100
41
6
6
0
2
7
8
5
80
57
35
10
28
43
68
93
73

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
2
1
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)

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

Chance of Frost

Temperature (°C)

15
14
12
10
9
9
8
7
7
7
8
10
15
18
21
22
22
22
22
21
21
20
19
17

Feels Like (°C)

13
12
10
9
7
7
6
5
5
7
7
11
15
18
20
20
21
20
20
20
20
19
19
17

Dew Point (°C)

8
9
8
8
7
6
5
5
5
5
5
4
5
6
7
7
8
7
7
7
6
7
10
13

Relative Humidity (%)

62
72
79
84
82
82
82
85
87
87
81
65
52
44
40
39
39
39
38
38
38
43
54
74

Pressure (mb)

1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023

Ozone (du)

352
352
352
350
350
351
352
353
355
357
357
354
351
350
349
348
349
349
349
347
345
342
339
337

Sunday 23

Waxing Gibbous 83%

18:58

01:34

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: 06:16, Set: 20:16, Transit: 13:16. Moon - Rise: 18:58, Set: 01:34. Civil Dark: 20:51 - 05:41. Nautical Dark: 21:37 - 04:57. Astro Dark: 22:27 - 04:08

Total Clouds (% Sky Obscured)

90
94
100
100
96
92
88
92
96
100
92
83
76
83
92
100
100
96
100
100
100
98
94
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
10
19
29
39
40

Medium Clouds (% Sky Obscured)

2
1
1
0
10
21
31
79
52
63
43
81
76
83
85
83
81
68
45
42
27
20
17
19

High Clouds (% Sky Obscured)

80
90
100
100
91
80
69
81
90
100
73
43
19
46
73
100
100
87
99
100
100
97
83
63

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
2
2
0
2
3
2
9
7
5
12
11

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)

2
2
2
4
5
5
4
5
6
6
7
9
13
15
16
18
19
19
19
19
18
16
15
14

Chance of Frost

Temperature (°C)

15
14
13
12
12
12
12
12
13
13
13
15
17
18
20
21
22
22
23
22
22
21
20
19

Feels Like (°C)

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

Dew Point (°C)

13
11
10
9
8
8
8
8
9
10
11
9
10
9
8
7
5
5
5
6
6
6
5
5

Relative Humidity (%)

85
83
81
80
79
76
76
76
79
84
83
68
61
54
45
38
33
31
31
33
35
36
36
39

Pressure (mb)

1023
1023
1023
1022
1022
1021
1021
1020
1020
1019
1019
1018
1018
1017
1017
1016
1015
1015
1014
1013
1013
1012
1012
1012

Ozone (du)

336
333
330
327
327
328
328
328
327
327
329
328
328
328
328
328
328
328
328
328
326
326
326
325

Monday 24

Waxing Gibbous 90%

19:22

02:45

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: 06:18, Set: 20:13, Transit: 13:16. Moon - Rise: 19:22, Set: 02:45. Civil Dark: 20:48 - 05:43. Nautical Dark: 21:34 - 04:59. Astro Dark: 22:24 - 04:11

Total Clouds (% Sky Obscured)

94
96
98
100
100
100
100
86
71
60
91
83
72
69
72
74
83
87
90
79
72
61
74
87

Low Clouds (% Sky Obscured)

45
42
32
74
68
65
67
29
61
60
68
55
42
45
54
64
50
37
23
26
29
31
42
53

Medium Clouds (% Sky Obscured)

21
67
75
67
62
66
50
73
71
60
84
78
72
51
33
20
23
30
33
22
16
9
21
33

High Clouds (% Sky Obscured)

75
82
90
100
100
100
100
80
63
48
72
48
24
40
55
71
75
79
84
65
49
33
55
79

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
7

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 (%)

5
7
5
3
13
8
2
6
9
3
6
5
4
8
7
2
9
10
11
13
12
9
19
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)

13
13
12
12
11
10
9
9
8
7
7
10
11
13
14
15
17
16
16
15
14
12
11
9

Chance of Frost

Temperature (°C)

19
19
18
17
17
17
17
17
17
17
16
19
20
22
22
23
24
23
22
22
21
21
20
19

Feels Like (°C)

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

Dew Point (°C)

6
6
6
8
9
11
11
11
11
10
9
11
12
13
14
15
16
17
18
18
18
18
18
18

Relative Humidity (%)

41
43
45
54
60
67
67
68
69
66
62
60
58
56
58
59
60
67
74
80
83
84
86
91

Pressure (mb)

1011
1011
1011
1010
1010
1010
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009

Ozone (du)

324
324
324
323
324
324
324
325
327
330
331
328
326
324
323
321
320
319
318
317
316
315
314
314

Tuesday 25

Waxing Gibbous 95%

19:41

04:00

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: 06:19, Set: 20:11, Transit: 13:15. Moon - Rise: 19:41, Set: 04:00. Civil Dark: 20:46 - 05:44. Nautical Dark: 21:32 - 05:01. Astro Dark: 22:21 - 04:13

Total Clouds (% Sky Obscured)

100
99
98
96
97
99
100
100
100
100
99
98
97
98
97
97
98
99
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

64
66
69
73
73
73
72
68
65
61
69
76
82
67
51
35
47
61
74
80
84
88
78
69

Medium Clouds (% Sky Obscured)

45
38
29
19
27
36
45
60
73
93
75
58
41
44
51
58
72
87
100
100
100
100
89
78

High Clouds (% Sky Obscured)

99
95
91
86
92
95
100
78
60
35
29
31
28
48
68
86
91
95
100
100
100
100
99
99

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

24
27
28
28
25
21
11
11
8
2
9
12
15
16
16
12
51
75
95
95
95
95
95
84

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
1
1
1.4
0.8
0.4

Wind Speed/Direction (mph)

6
4
3
2
2
2
3
4
4
4
4
7
10
13
14
15
16
13
10
8
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
100
98
98
98
96
96
96
96
98
98
92
85
79
72
66
60
69
81
93
95
95
96
96

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1007

Ozone (du)

314
313
314
314
315
316
318
319
320
322
323
324
326
327
326
325
324
323
323
322
323
325
326
331

Wednesday 26

Waxing Gibbous 99%

19:56

05:15

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

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: 21:29 - 05:03. Astro Dark: 22:18 - 04:15

Total Clouds (% Sky Obscured)

99
97
97
95
98
98
98
97
95
92
86
81
72
73
75
80

Low Clouds (% Sky Obscured)

60
59
58
57
53
45
40
39
37
39
41
37
35
27
17
7

Medium Clouds (% Sky Obscured)

67
47
26
15
16
16
11
12
14
15
10
5
0
0
0
0

High Clouds (% Sky Obscured)

99
93
83
73
77
81
83
84
86
83
76
69
57
62
57
57

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

39
39
34
21
19
16
8
17
18
12
18
16
9
14
13
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
6
5
5
5
4
4
4
4
4
5
7
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
18
18
18
17
17
18
18
18
17
18
17
17
18
18
18

Dew Point (°C)

17
17
17
17
17
17
17
16
16
16
16
15
15
15
13
11

Relative Humidity (%)

95
95
95
95
95
95
95
93
92
93
93
83
76
69
59
51

Pressure (mb)

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

Ozone (du)

336
342
343
344
346
347
348
349
350
350
351
351
352
352
352
351

Welcome to Clear Outside

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

Generated: 20/08/26 21:21:27. Forecast: 20/08/26 to 26/08/26. Timezone: UTC+1.00