Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 23

Waxing Gibbous 80%

18:55

01:14

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

Sun - Rise: 06:02, Set: 20:07, Transit: 13:05. Moon - Rise: 18:55, Set: 01:14. Civil Dark: 20:44 - 05:26. Nautical Dark: 21:29 - 04:40. Astro Dark: 22:25 - 03:48

Total Clouds (% Sky Obscured)

9
9
11
20
21
0
15
23
11
4
16
35
67
34
69
71
50
66
52
81
63
11
45
63

Low Clouds (% Sky Obscured)

9
9
9
16
18
0
8
20
7
0
0
0
44
30
56
38
21
35
20
44
25
2
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
24
0
0
0
5
34
3
1
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
8
6
6
4
13
35
35
5
9
21
25
20
22
25
21
4
45
51

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)

5
6
6
6
5
5
5
5
5
5
8
10
11
12
13
13
13
13
13
13
13
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
13
13
12
12
11
9
9
9
11
13
14
15
18
17
18
18
18
17
16
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

67
78
83
84
84
83
81
81
84
81
67
61
52
44
39
35
32
31
33
35
38
43
50
57

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1022
1021
1021
1020
1019
1018
1017
1017
1016
1016
1016
1017

Ozone (du)

343
342
343
343
344
344
344
344
343
342
341
340
340
339
334
327
324
324
325
326
326
327
328
328

Monday 24

Waxing Gibbous 90%

19:17

02:26

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
21 Bad

Sun - Rise: 06:04, Set: 20:05, Transit: 13:05. Moon - Rise: 19:17, Set: 02:26. Civil Dark: 20:41 - 05:28. Nautical Dark: 21:27 - 04:42. Astro Dark: 22:21 - 03:51

Total Clouds (% Sky Obscured)

100
90
100
100
100
100
96
100
93
91
100
100
80
92
67
87
75
93
100
93
97
98
98
100

Low Clouds (% Sky Obscured)

3
9
22
32
35
41
50
33
23
19
20
16
16
22
26
22
20
16
13
17
12
14
22
22

Medium Clouds (% Sky Obscured)

2
4
11
18
51
17
57
66
22
6
8
6
9
2
3
3
28
27
19
29
97
89
98
99

High Clouds (% Sky Obscured)

100
79
100
100
100
100
89
100
85
80
100
100
61
83
27
66
20
20
20
25
25
13
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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
7
9
11
8
10
29
42

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
14
13
13
13
13
13
13
13
13
15
17
19
21
23
24
25
25
25
23
21
20
20
19

Feels Like (°C)

11
10
10
9
9
9
10
10
10
11
11
13
15
17
18
19
20
20
20
18
16
17
18
17

Dew Point (°C)

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

Relative Humidity (%)

64
71
75
79
81
83
86
87
90
89
79
67
54
43
36
32
29
28
29
32
35
43
56
64

Pressure (mb)

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

Ozone (du)

327
326
326
323
323
323
322
323
324
324
322
321
320
319
319
321
320
319
319
317
315
315
313
313

Tuesday 25

Waxing Gibbous 95%

19:34

03:42

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
21 Bad

Sun - Rise: 06:06, Set: 20:03, Transit: 13:04. Moon - Rise: 19:34, Set: 03:42. Civil Dark: 20:39 - 05:30. Nautical Dark: 21:24 - 04:45. Astro Dark: 22:18 - 03:54

Total Clouds (% Sky Obscured)

98
99
100
100
100
100
100
78
72
68
72
63
68
63
54
57
78
100
100
100
85
80
73
62

Low Clouds (% Sky Obscured)

31
81
33
41
49
55
56
55
53
56
57
61
53
49
41
28
47
60
61
60
80
51
25
3

Medium Clouds (% Sky Obscured)

89
48
37
92
47
41
25
10
8
9
5
7
15
17
16
17
11
9
7
4
4
3
2
2

High Clouds (% Sky Obscured)

40
46
100
100
100
100
100
78
65
3
7
1
2
12
0
1
33
84
99
100
24
36
47
56

ISS Passover

Visibility (miles)

9
4
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
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 (%)

61
39
31
15
5
8
9
24
19
12
4
3
3
3
6
9
26
23
13
12
3
3
3
1

Precipitation Amount (mm)

0.4
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
6
5
4
3
3
3
2
2
3
4
5
6
6
6
8
9
8
6
4
6
6
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
15
15
15
15
15
15
15
15
15
15
15
13
12
11
10
10
10
12
11
10
11
12
13

Relative Humidity (%)

72
83
86
89
90
93
95
95
95
93
82
74
61
52
43
39
37
38
45
42
39
43
52
63

Pressure (mb)

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

Ozone (du)

314
315
316
317
319
320
320
321
321
322
323
324
324
324
325
326
323
321
321
320
319
320
320
320

Wednesday 26

Waxing Gibbous 99%

19:48

05:00

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
21 Bad

Sun - Rise: 06:07, Set: 20:01, Transit: 13:04. Moon - Rise: 19:48, Set: 05:00. Civil Dark: 20:37 - 05:31. Nautical Dark: 21:21 - 04:47. Astro Dark: 22:15 - 03:56

Total Clouds (% Sky Obscured)

61
59
50
65
76
86
90
94
100
100
100
100
100
100
100
100
100
100
100
100
72
81
94
90

Low Clouds (% Sky Obscured)

2
1
0
16
38
12
22
18
28
34
55
75
50
40
28
31
41
44
35
23
14
14
19
15

Medium Clouds (% Sky Obscured)

2
59
24
62
76
86
90
7
16
47
69
100
94
96
20
10
17
4
7
11
14
12
13
38

High Clouds (% Sky Obscured)

53
46
30
35
41
54
68
83
100
100
100
96
100
100
100
100
100
100
100
100
48
53
86
74

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

1
1
0
8
32
51
56
72
64
55
73
92
95
95
95
95
95
95
87
75
60
56
46
33

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.4
0
0
0.3
0.4
0.9
1.3
1.7
1.2
0.8
0.7
0.6
0.4
0.3
0.3
0
0

Wind Speed/Direction (mph)

3
4
4
4
4
4
4
5
6
5
7
7
9
9
8
8
8
8
9
9
9
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
12
10
10
11
13
15
15
16
16
16
14
13
11
9
7
5
4
4
3
5
7
9

Relative Humidity (%)

69
70
68
64
65
69
83
89
93
93
89
83
71
64
52
43
36
32
30
30
31
36
46
57

Pressure (mb)

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

Ozone (du)

321
320
321
323
325
325
329
328
329
329
328
330
330
331
335
338
340
340
339
340
340
339
335
333

Thursday 27

Waxing Gibbous 100%

19:59

06:17

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
21 Bad

Sun - Rise: 06:09, Set: 19:59, Transit: 13:04. Moon - Rise: 19:59, Set: 06:17. Civil Dark: 20:34 - 05:33. Nautical Dark: 21:19 - 04:49. Astro Dark: 22:12 - 03:59

Total Clouds (% Sky Obscured)

87
79
68
69
73
78
83
88
94
96
98
100
100
100
100
100
100
100
100
100
100
93
88
80

Low Clouds (% Sky Obscured)

20
18
21
28
32
37
43
80
86
78
39
37
19
14
8
13
19
21
13
6
4
6
4
10

Medium Clouds (% Sky Obscured)

77
24
6
53
73
78
83
88
94
96
94
84
80
89
82
72
73
67
69
62
59
30
7
0

High Clouds (% Sky Obscured)

54
68
60
59
47
30
30
30
30
50
75
100
100
100
100
100
100
100
88
78
75
60
46
50

ISS Passover

Visibility (miles)

7
9
9
7
9
8
7
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

25
6
5
15
24
50
44
56
63
17
4
0
2
6
8
21
24
27
49
57
58
49
34
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0
0

Wind Speed/Direction (mph)

7
8
9
10
10
10
10
10
10
10
10
12
14
14
15
15
16
16
16
14
12
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
11
11
11
11
12
13
13
13
13
12
11
9
8
6
5
3
1
2
3
4
7
9

Relative Humidity (%)

66
66
72
75
79
80
84
89
92
90
83
71
63
53
47
39
34
31
27
31
34
38
47
60

Pressure (mb)

1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1006

Ozone (du)

331
331
334
333
333
333
333
333
334
333
333
334
336
337
337
336
336
336
335
335
335
335
335
334

Friday 28

Full Moon 99%

20:10

07:35

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 OK
19 OK
20 OK
21 OK

Sun - Rise: 06:10, Set: 19:56, Transit: 13:03. Moon - Rise: 20:10, Set: 07:35. Civil Dark: 20:32 - 05:35. Nautical Dark: 21:16 - 04:51. Astro Dark: 22:09 - 04:01

Total Clouds (% Sky Obscured)

80
80
80
75
73
68
62
61
75
79
85
93
95
97
99
84
70
55
45
36
26
26
26
26

Low Clouds (% Sky Obscured)

9
5
4
12
21
29
23
16
9
34
60
86
90
94
98
75
51
28
19
10
1
1
0
0

Medium Clouds (% Sky Obscured)

1
2
3
12
22
32
27
22
16
32
46
58
54
53
55
54
52
55
45
36
25
20
15
15

High Clouds (% Sky Obscured)

69
68
62
37
20
14
36
61
75
79
85
74
78
81
92
82
67
51
35
20
10
15
16
21

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 (%)

9
6
0
0
2
0
5
3
0
0
2
0
10
7
4
9
5
5
11
14
16
18
19
21

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
11
11
10
9
10
10
10
10
10
10
9
7
6
6
6
6
7
7

Relative Humidity (%)

77
79
82
86
87
92
93
92
87
86
76
68
60
59
57
55
48
41
35
37
39
41
47
54

Pressure (mb)

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

Ozone (du)

334
333
333
332
333
333
333
333
332
331
334
337
339
336
334
331
330
329
328
325
321
318
316
315

Saturday 29

Waning Gibbous 96%

20:21

08:53

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

Sun - Rise: 06:12, Set: 19:54, Transit: 13:03. Moon - Rise: 20:21, Set: 08:53. Civil Dark: 20:30 - 05:37. Nautical Dark: 21:13 - 04:53. Astro Dark: 22:05 - 04:04

Total Clouds (% Sky Obscured)

37
45
58
69
80
88
90
89
90
90
91
92
88
81
75
78
83
90
89
86
83

Low Clouds (% Sky Obscured)

0
4
4
7
10
10
17
18
21
29
38
45
60
74
75
78
78
71
75
77
81

Medium Clouds (% Sky Obscured)

7
2
0
1
2
3
26
48
73
80
90
92
88
81
75
73
67
56
39
21
4

High Clouds (% Sky Obscured)

33
34
23
20
17
15
10
10
10
10
10
20
25
25
20
18
26
35
22
11
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
6
4
3
3
2
4
7
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
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

29
35
37
31
21
4
7
6
7
27
43
57
76
89
95
91
80
65
59
55
53

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.7
0.7
0.5
0.4
0.3
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
68
75
85
87
90
95
92
90
89
86
82
78
83
88
93
82
73
65
69
71

Pressure (mb)

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

Ozone (du)

313
311
309
306
304
302
300
300
299
299
301
303
305
307
310
312
316
321
326
323
321

Forecast for Loughton, Milton Keynes, United Kingdom (52.03,-0.77)

Generated: 23/08/26 22:21:46. Forecast: 23/08/26 to 29/08/26. Timezone: UTC+1.00