Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 23

Waxing Gibbous 83%

18:30

01:32

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

Sun - Rise: 06:16, Set: 20:19, Transit: 13:17. Moon - Rise: 18:30, Set: 01:32. Civil Dark: 20:55 - 05:40. Nautical Dark: 21:39 - 04:56. Astro Dark: 22:30 - 04:06

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
26
11
12
13
8
0
2
7
8
40
69
50
53
38
58
78
90
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
26
0
4
0
0
0
0
6
0
0
7
4
6
8
3
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
3
3
4
1
0
0
0
0
0
0
0
0
0
0
0
0
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
7
38
61
44
48
32
58
71
88
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
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

10
13
16
17
19
20
22
22
22
22
21
20
19
17
14
14
13
12
12
11
12
12
12
11

Feels Like (°C)

9
14
15
17
18
19
21
22
22
21
19
18
18
17
15
15
14
12
11
10
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

88
78
63
48
40
35
33
30
29
30
35
43
51
67
80
84
86
86
84
83
84
88
92
91

Pressure (mb)

1025
1026
1026
1026
1026
1025
1025
1025
1024
1024
1023
1023
1023
1022
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021

Ozone (du)

366
366
365
365
363
364
364
365
364
362
361
359
354
351
349
347
344
343
341
338
336
335
335
333

Monday 24

Waxing Gibbous 90%

19:01

02:43

07 OK
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
05 Bad
06 Bad

Sun - Rise: 06:17, Set: 20:17, Transit: 13:16. Moon - Rise: 19:01, Set: 02:43. Civil Dark: 20:52 - 05:42. Nautical Dark: 21:37 - 04:58. Astro Dark: 22:27 - 04:08

Total Clouds (% Sky Obscured)

34
89
100
86
98
100
97
96
95
100
100
88
88
92
74
88
94
98
100
100
100
96
100
97

Low Clouds (% Sky Obscured)

0
2
18
31
29
34
37
28
4
7
1
5
5
34
2
21
27
38
58
78
83
71
77
94

Medium Clouds (% Sky Obscured)

0
0
5
48
54
68
97
96
95
100
100
88
10
10
74
87
9
14
21
18
23
15
77
97

High Clouds (% Sky Obscured)

32
87
100
55
87
100
72
70
68
98
100
60
1
1
8
14
38
79
85
78
17
7
20
33

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
10
27
5
10
9
16
17
5
6
2
5

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)

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

Chance of Frost

Temperature (°C)

11
13
14
16
18
19
20
21
21
21
21
21
21
20
18
17
16
15
14
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

8
8
7
6
5
4
3
2
1
1
-1
1
2
6
8
12
10
10
11
10
11
11
11
11

Relative Humidity (%)

81
71
60
51
42
36
33
29
27
25
23
26
28
39
51
72
70
73
78
79
80
83
80
82

Pressure (mb)

1021
1020
1020
1019
1019
1018
1017
1016
1015
1014
1013
1013
1012
1012
1013
1013
1013
1012
1012
1012
1011
1011
1010
1011

Ozone (du)

331
326
323
322
321
320
321
323
325
326
327
327
328
327
326
327
326
326
326
327
327
329
330
331

Tuesday 25

Waxing Gibbous 95%

19:25

03:58

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
05 Bad
06 Bad

Sun - Rise: 06:19, Set: 20:15, Transit: 13:16. Moon - Rise: 19:25, Set: 03:58. Civil Dark: 20:50 - 05:44. Nautical Dark: 21:34 - 05:00. Astro Dark: 22:24 - 04:11

Total Clouds (% Sky Obscured)

93
90
92
96
99
95
100
100
100
100
100
99
90
95
71
73
74
75
77
77
79
74
71
77

Low Clouds (% Sky Obscured)

89
80
78
96
98
92
100
100
100
100
86
65
54
59
51
57
65
61
70
71
74
54
46
43

Medium Clouds (% Sky Obscured)

91
71
92
96
99
61
12
41
40
96
38
16
90
95
11
49
9
5
9
9
4
5
4
7

High Clouds (% Sky Obscured)

25
30
30
9
11
0
9
90
90
100
100
68
13
1
10
8
2
20
34
45
30
43
46
58

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

Precipitation Probability (%)

4
13
13
9
19
13
29
61
37
33
35
50
28
26
32
11
3
7
11
11
5
11
11
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
12
13
11
10
8
6
6
5
6
8
12
14
17
16
16
16
15
15
14
14
14
14
13

Relative Humidity (%)

83
80
79
71
64
51
44
44
41
43
50
66
77
93
98
98
98
98
98
96
95
95
96
96

Pressure (mb)

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

Ozone (du)

333
333
330
332
331
330
325
320
319
319
318
319
320
321
322
323
322
323
322
323
322
322
323
322

Wednesday 26

Waxing Gibbous 99%

19:43

05:15

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
05 Bad
06 Bad

Sun - Rise: 06:20, Set: 20:13, Transit: 13:16. Moon - Rise: 19:43, Set: 05:15. Civil Dark: 20:48 - 05:45. Nautical Dark: 21:32 - 05:02. Astro Dark: 22:21 - 04:13

Total Clouds (% Sky Obscured)

82
86
98
95
99
100
100
100
100
95
100
100
98
96
94
96
98
100
100
100
100
100
100
88

Low Clouds (% Sky Obscured)

51
57
58
52
42
76
73
30
20
19
60
17
57
59
41
30
66
64
54
92
94
76
58
70

Medium Clouds (% Sky Obscured)

5
10
9
3
3
5
3
12
89
15
17
91
96
96
76
96
98
97
7
100
100
100
96
4

High Clouds (% Sky Obscured)

53
40
27
40
76
100
100
100
99
90
100
100
90
79
71
79
93
100
100
100
93
100
100
48

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
2
7
9
3
2
3
3
2
3
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
Light Rain
None
None
None
Very Light Rain
None
Very Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Heavy Rain

Precipitation Probability (%)

4
4
1
2
11
34
64
30
47
38
65
30
84
95
60
67
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
0
0
0
0.3
0
0.2
0.4
0
0.3
0.7
1.1
1.1
1.3
2.2
4.3
6.7
11.9

Wind Speed/Direction (mph)

3
5
7
10
12
13
15
15
14
14
14
12
12
9
9
10
10
11
11
11
10
9
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
93
89
78
65
63
67
75
60
56
55
67
75
96
96
98
98
98
98
98
98
98
98
93

Pressure (mb)

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

Ozone (du)

322
323
325
327
327
327
328
329
330
330
328
325
326
325
328
329
331
332
333
334
342
339
343
348

Thursday 27

Waxing Gibbous 100%

19:57

06:31

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 OK
05 OK
06 OK

Sun - Rise: 06:22, Set: 20:11, Transit: 13:15. Moon - Rise: 19:57, Set: 06:31. Civil Dark: 20:46 - 05:47. Nautical Dark: 21:29 - 05:04. Astro Dark: 22:18 - 04:16

Total Clouds (% Sky Obscured)

66
66
56
69
70
75
79
100
97
84
82
87
62
67
69
59
51
47
40
36
37
29
25
21

Low Clouds (% Sky Obscured)

44
49
32
36
28
26
27
30
30
26
24
23
22
17
12
9
9
8
9
13
17
18
23
20

Medium Clouds (% Sky Obscured)

0
0
0
10
0
0
5
100
48
10
0
10
7
9
11
11
11
10
14
7
1
1
0
0

High Clouds (% Sky Obscured)

45
45
35
40
45
50
68
98
96
84
82
84
47
51
56
49
38
27
24
17
15
12
5
3

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

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

Precipitation Probability (%)

95
83
52
67
56
57
76
69
51
56
53
45
43
41
35
33
28
14
19
17
7
17
22
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
87
76
59
52
57
60
54
47
43
45
51
63
75
92
92
92
93
93
95
95
95
96

Pressure (mb)

1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1005
1004
1004
1004
1003
1003
1003
1002
1002

Ozone (du)

352
351
350
349
350
351
350
349
350
350
349
347
346
346
345
345
345
344
344
345
347
348
348
348

Friday 28

Full Moon 99%

20:10

No Set

07 OK
08 OK
09 OK
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: 06:24, Set: 20:08, Transit: 13:15. Moon - Rise: 20:10, Set: No Set. Civil Dark: 20:43 - 05:49. Nautical Dark: 21:26 - 05:06. Astro Dark: 22:15 - 04:18

Total Clouds (% Sky Obscured)

26
31
36
50
65
82
82
83
83
77
72
69
82
90
100
100
100
100
96
92
87
91
94
97

Low Clouds (% Sky Obscured)

21
19
21
17
14
13
10
6
0
4
7
11
15
19
22
39
59
80
58
37
15
43
66
90

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
10
14
9
13
7
34
61
87
92
96
100
75
50
25
25
24
19

High Clouds (% Sky Obscured)

4
5
7
28
52
73
78
79
80
68
60
54
66
83
100
95
88
83
83
84
86
82
86
84

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

21
22
10
20
18
10
13
12
5
16
21
26
39
52
78
87
88
95
93
77
64
60
46
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.4
0.7
0.7
0.5
0.4
0.4
0.2
0

Wind Speed/Direction (mph)

6
7
8
10
10
11
11
12
13
14
13
13
13
13
12
12
12
11
11
11
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
13
13
14
15
15
19
18
17
18
18
18
14
14
13
14
13
13
12
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

95
84
75
66
59
52
46
45
45
45
51
58
66
73
80
87
92
93
96
96
96
96
93
92

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1004

Ozone (du)

348
347
346
345
344
344
344
344
344
344
342
340
337
337
337
337
338
338
339
341
343
345
345
344

Saturday 29

Waning Gibbous 96%

20:22

07:47

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: 06:25, Set: 20:06, Transit: 13:15. Moon - Rise: 20:22, Set: 07:47. Civil Dark: 20:41 - 05:50. Nautical Dark: 21:24 - 05:08. Astro Dark: 22:12 - 04:21

Total Clouds (% Sky Obscured)

96
96
96
92
87
82
78
76
77
75
75
70
66
60
58
62
65
69

Low Clouds (% Sky Obscured)

93
96
96
87
75
63
65
66
67
51
36
20
29
41
54
51
49
46

Medium Clouds (% Sky Obscured)

21
27
35
32
29
26
18
11
4
3
3
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

60
34
9
16
23
26
13
7
0
0
0
0
0
0
1
1
2
2

ISS Passover

Visibility (miles)

6
7
8
9
8
8
7
7
8
9
9
9
9
9
9
9
8
6

Fog (%)

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
Very Light Rain

Precipitation Probability (%)

32
34
35
35
33
29
35
40
45
41
33
28
32
33
34
39
42
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

13
14
15
16
17
18
19
19
19
19
18
17
16
14
13
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
12
12
12
12
12
15
15
13
13
13
12
11
11
11
11
11

Dew Point (°C)

13
13
13
14
13
13
11
13
14
14
14
14
14
14
14
13
13
13

Relative Humidity (%)

92
90
87
86
78
72
65
71
77
83
86
89
90
92
92
92
92
93

Pressure (mb)

1004
1004
1005
1005
1006
1006
1006
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009
1009

Ozone (du)

344
342
341
339
336
332
329
325
322
318
319
320
321
319
317
315
315
315

Forecast for Exford, Somerset, United Kingdom (51.13,-3.64)

Generated: 23/08/26 07:01:15. Forecast: 23/08/26 to 29/08/26. Timezone: UTC+1.00