Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 22

Waxing Gibbous 75%

17:42

00:15

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

Sun - Rise: 06:03, Set: 20:13, Transit: 13:07. Moon - Rise: 17:42, Set: 00:15. Civil Dark: 20:49 - 05:27. Nautical Dark: 21:35 - 04:42. Astro Dark: 22:27 - 03:50

Total Clouds (% Sky Obscured)

74
67
52
46
30
27
41
41
59
33
27
28
27
32
49
36
24
15
20
34
38
40
47
56

Low Clouds (% Sky Obscured)

27
22
11
17
10
7
15
28
36
22
18
26
25
31
38
30
18
10
15
20
10
13
17
8

Medium Clouds (% Sky Obscured)

31
10
15
20
18
16
25
22
25
28
21
2
0
1
18
0
0
0
0
20
31
28
32
46

High Clouds (% Sky Obscured)

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

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)

6
6
5
4
4
6
5
5
4
2
3
2
2
2
1
1
2
4
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

20
20
20
20
18
17
16
15
14
14
13
12
12
11
10
11
13
15
17
19
21
22
22
23

Feels Like (°C)

19
18
18
18
17
15
14
14
13
14
13
13
12
12
12
13
15
16
18
20
21
22
22
23

Dew Point (°C)

2
1
1
2
4
7
7
6
6
8
8
8
8
9
8
8
8
8
8
8
7
6
5
4

Relative Humidity (%)

29
27
28
31
38
50
55
55
58
68
72
76
80
85
87
83
71
62
56
47
41
35
31
29

Pressure (mb)

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

Ozone (du)

360
361
361
361
360
359
359
359
360
361
360
359
358
357
356
356
357
357
356
353
350
348
348
348

Sunday 23

Waxing Gibbous 83%

18:24

01:18

16 OK
17 OK
18 OK
19 OK
20 OK
21 Bad
22 OK
23 OK
00 OK
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

Sun - Rise: 06:05, Set: 20:11, Transit: 13:07. Moon - Rise: 18:24, Set: 01:18. Civil Dark: 20:47 - 05:29. Nautical Dark: 21:32 - 04:44. Astro Dark: 22:24 - 03:53

Total Clouds (% Sky Obscured)

41
20
25
41
39
53
27
20
45
65
89
59
86
75
75
62
70
65
100
91
73
81
88
54

Low Clouds (% Sky Obscured)

2
2
0
2
9
22
0
5
12
14
17
18
17
8
0
0
0
14
29
34
18
8
5
6

Medium Clouds (% Sky Obscured)

33
16
17
27
22
25
17
1
0
0
0
0
0
0
0
0
0
0
0
0
11
30
33
37

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
18
45
62
85
58
78
75
75
62
70
52
100
79
46
42
60
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
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
6
5
5
6
5
4
4
4
4
5
5
6
9
11
13
13
14
14
15
15

Chance of Frost

Temperature (°C)

23
23
23
22
20
18
16
15
14
13
13
12
12
11
11
12
14
16
18
19
21
22
23
23

Feels Like (°C)

23
23
22
21
19
17
15
15
13
12
11
11
10
9
9
10
11
12
14
15
16
18
18
18

Dew Point (°C)

3
3
3
3
5
5
7
10
9
9
8
8
8
9
9
9
8
7
7
6
5
5
6
6

Relative Humidity (%)

27
26
26
29
36
42
55
72
73
74
74
75
79
84
87
83
68
56
49
42
36
33
33
32

Pressure (mb)

1024
1023
1023
1023
1023
1023
1023
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1021
1021
1020
1019
1018
1017

Ozone (du)

348
348
348
347
345
344
342
340
336
335
335
334
333
330
327
323
322
322
322
323
324
324
325
326

Monday 24

Waxing Gibbous 90%

18:55

02:30

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:07, Set: 20:09, Transit: 13:07. Moon - Rise: 18:55, Set: 02:30. Civil Dark: 20:45 - 05:31. Nautical Dark: 21:30 - 04:46. Astro Dark: 22:21 - 03:55

Total Clouds (% Sky Obscured)

48
49
46
57
47
75
72
75
71
100
100
92
84
96
97
95
95
94
100
100
98
99
99
100

Low Clouds (% Sky Obscured)

7
6
2
2
2
0
0
2
0
11
25
25
17
13
19
18
11
17
36
42
50
50
45
45

Medium Clouds (% Sky Obscured)

48
49
46
57
34
72
72
17
33
22
33
29
26
44
46
89
94
93
97
98
89
92
95
96

High Clouds (% Sky Obscured)

43
48
38
14
6
30
48
54
52
100
97
30
35
35
30
30
25
24
98
94
81
87
94
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
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
1
1
4
8
11
23
21
9
3
2
1
4
3
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)

15
15
15
14
12
11
11
11
11
11
11
11
11
10
10
10
11
11
12
12
12
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

32
31
35
40
48
58
64
68
71
75
79
83
86
90
95
92
82
65
47
37
32
27
25
25

Pressure (mb)

1016
1016
1015
1015
1015
1016
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011

Ozone (du)

327
326
325
326
329
329
328
329
326
324
322
322
321
321
321
321
322
323
324
321
317
317
317
316

Tuesday 25

Waxing Gibbous 95%

19:18

03:46

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:08, Set: 20:06, Transit: 13:06. Moon - Rise: 19:18, Set: 03:46. Civil Dark: 20:42 - 05:33. Nautical Dark: 21:27 - 04:48. Astro Dark: 22:18 - 03:58

Total Clouds (% Sky Obscured)

100
100
100
97
93
89
93
97
100
100
100
100
98
97
94
92
90
89
92
96
100
100
100
100

Low Clouds (% Sky Obscured)

38
34
28
59
78
82
73
67
55
41
30
36
64
83
56
39
31
24
20
16
12
34
58
67

Medium Clouds (% Sky Obscured)

95
91
94
90
89
50
74
86
83
34
66
55
22
30
39
20
18
16
18
21
22
22
16
8

High Clouds (% Sky Obscured)

100
100
100
78
60
35
53
77
100
100
100
100
84
48
56
50
58
57
71
87
99
100
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
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 (%)

1
3
2
2
3
0
0
3
24
14
8
6
12
9
5
4
4
1
2
3
1
4
7
10

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
9
9
7
5
5
6
6
4
4
3
3
2
2
2
2
3
5
6
7
8
10
10
11

Chance of Frost

Temperature (°C)

24
24
23
23
21
20
20
19
18
17
17
16
16
16
16
16
18
20
22
23
25
26
26
26

Feels Like (°C)

19
19
19
20
19
19
17
17
17
17
16
16
17
17
16
17
18
19
21
22
23
25
25
24

Dew Point (°C)

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

Relative Humidity (%)

27
30
36
42
47
51
53
54
57
64
77
82
87
89
87
87
76
62
58
53
47
42
41
41

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010

Ozone (du)

316
315
314
315
315
315
314
313
312
313
312
312
312
313
315
318
318
318
317
318
319
321
321
322

Wednesday 26

Waxing Gibbous 99%

19:35

05:03

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:10, Set: 20:04, Transit: 13:06. Moon - Rise: 19:35, Set: 05:03. Civil Dark: 20:40 - 05:34. Nautical Dark: 21:24 - 04:50. Astro Dark: 22:15 - 04:01

Total Clouds (% Sky Obscured)

82
68
72
82
91
89
100
100
100
100
100
100
100
97
98
92
85
73
68
63
63
74
77
76

Low Clouds (% Sky Obscured)

55
50
40
28
25
22
22
22
26
45
61
62
77
82
89
77
62
46
35
25
14
13
12
14

Medium Clouds (% Sky Obscured)

6
3
0
3
10
52
26
23
95
95
75
86
24
7
0
33
28
17
20
17
13
13
12
15

High Clouds (% Sky Obscured)

45
30
43
64
82
68
100
100
100
100
100
68
100
65
70
60
55
55
54
57
60
69
77
76

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
8
3
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

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

Precipitation Probability (%)

8
5
2
8
10
11
35
62
95
95
95
95
87
71
66
95
95
95
93
84
71
54
39
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.7
0.7
0.6
1
0.5
0.3
0.3
0.8
0.8
0.6
0.5
0.5
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
26
26
25
23
22
20
20
19
18
18
18
18
18
18
19
19
20
20
21
22
23
24
24

Feels Like (°C)

24
25
24
23
22
20
21
19
17
18
19
18
17
18
18
18
18
18
18
18
18
18
24
23

Dew Point (°C)

13
12
11
12
13
14
14
14
14
17
17
17
17
17
17
16
15
15
14
12
10
8
7
6

Relative Humidity (%)

43
40
38
42
53
61
67
70
72
90
95
93
93
93
92
86
80
72
67
55
45
37
34
31

Pressure (mb)

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

Ozone (du)

323
322
320
318
319
320
319
318
318
320
326
329
332
338
339
337
337
337
337
337
337
337
337
337

Thursday 27

Waxing Gibbous 100%

19:49

06:20

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:11, Set: 20:02, Transit: 13:06. Moon - Rise: 19:49, Set: 06:20. Civil Dark: 20:38 - 05:36. Nautical Dark: 21:22 - 04:52. Astro Dark: 22:11 - 04:03

Total Clouds (% Sky Obscured)

84
91
100
96
91
87
91
96
100
100
100
100
100
100
100
100
100
100
98
95
93
94
94
94

Low Clouds (% Sky Obscured)

10
9
8
10
9
10
36
61
84
84
86
89
77
69
63
63
62
62
51
42
32
41
44
46

Medium Clouds (% Sky Obscured)

13
11
11
19
26
35
45
54
64
74
84
94
80
65
51
55
59
63
56
49
42
48
56
62

High Clouds (% Sky Obscured)

84
91
100
88
76
65
76
88
100
100
99
98
91
83
80
77
75
71
68
69
67
59
56
56

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 (%)

19
13
1
2
3
2
7
8
9
24
29
35
36
35
31
31
23
4
14
18
20
27
29
32

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

Chance of Frost

Temperature (°C)

24
23
22
21
20
19
18
17
17
17
16
16
15
15
15
15
16
17
19
20
20
21
21
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

29
32
37
41
48
54
62
63
65
66
71
77
82
83
83
84
74
65
56
49
42
37
41
45

Pressure (mb)

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

Ozone (du)

338
337
336
335
334
334
334
335
336
338
337
337
336
336
335
335
335
334
334
335
335
336
335
334

Friday 28

Full Moon 99%

20:01

07:37

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:13, Set: 20:00, Transit: 13:05. Moon - Rise: 20:01, Set: 07:37. Civil Dark: 20:35 - 05:38. Nautical Dark: 21:19 - 04:54. Astro Dark: 22:08 - 04:06

Total Clouds (% Sky Obscured)

96
97
98
98
97
94
83
73
64
73
81
88
86
83
77
72
69
64
71
79
87

Low Clouds (% Sky Obscured)

42
38
40
42
47
53
46
39
38
54
76
88
84
78
72
65
58
52
50
49
46

Medium Clouds (% Sky Obscured)

54
45
41
46
40
35
35
36
36
36
36
31
27
16
9
7
3
0
7
15
22

High Clouds (% Sky Obscured)

68
72
71
72
73
65
59
54
48
29
17
1
0
0
0
2
5
11
25
39
48

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

Fog (%)

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

Precipitation Probability (%)

38
37
33
27
25
34
68
95
95
95
95
95
95
95
59
57
46
10
30
20
8

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.6
0.9
1
1.3
1.5
1.3
0.8
0.2
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
50
53
55
60
65
70
75
82
90
92
93
95
86
81
73
65
60
54
50
46

Pressure (mb)

1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1003
1004
1004
1005
1005
1005
1006
1006
1006

Ozone (du)

334
333
333
333
333
332
332
330
329
328
329
331
333
330
327
324
325
325
326
324
322

Forecast for Culham, Oxfordshire, United Kingdom (51.66,-1.27)

Generated: 22/08/26 16:16:18. Forecast: 22/08/26 to 28/08/26. Timezone: UTC+1.00