Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Gibbous 66%

16:48

23:19

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

Sun - Rise: 05:57, Set: 20:14, Transit: 13:06. Moon - Rise: 16:48, Set: 23:19. Civil Dark: 20:51 - 05:21. Nautical Dark: 21:37 - 04:36. Astro Dark: 22:31 - 03:43

Total Clouds (% Sky Obscured)

56
54
47
31
40
38
49
54
68
82
81
86
76
72
62
45
50
29
33
19
6
6
4
2

Low Clouds (% Sky Obscured)

15
18
17
16
20
21
29
21
42
72
63
68
75
57
53
25
50
29
33
11
3
5
2
0

Medium Clouds (% Sky Obscured)

35
24
9
11
13
16
18
28
31
22
30
36
22
35
25
8
42
29
25
10
4
4
4
2

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
3
0
0
0
0
0
0
6
0
1
8
12
7
14
27
16
14
3
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
5
5
7
8
8
8
9
9
9
9
8
10
11
12
12
9
8
7
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
90
77
67
55
47
42
37
33
34
34
38
49
48
62
79
82
79
80
86
87
85
85

Pressure (mb)

1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1018
1018
1019
1019
1020
1020
1020
1021

Ozone (du)

349
349
350
350
349
348
348
347
347
348
350
352
353
355
357
359
359
358
358
357
358
358
358
357

Saturday 22

Waxing Gibbous 75%

17:42

00:10

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

Sun - Rise: 05:59, Set: 20:12, Transit: 13:05. Moon - Rise: 17:42, Set: 00:10. Civil Dark: 20:48 - 05:22. Nautical Dark: 21:35 - 04:38. Astro Dark: 22:28 - 03:45

Total Clouds (% Sky Obscured)

3
3
3
2
11
61
78
35
18
61
70
78
79
70
56
30
19
7
0
4
15
20
17
9

Low Clouds (% Sky Obscured)

2
1
2
2
11
61
78
9
12
5
20
31
40
40
45
30
19
2
0
0
5
13
13
8

Medium Clouds (% Sky Obscured)

2
2
0
0
0
0
0
20
0
49
43
41
38
32
18
2
0
4
0
3
10
2
0
0

High Clouds (% Sky Obscured)

2
2
2
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
4
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
5
4
6
7
8
9
9
8
8
7
8
10
7
5
3
2
2
3
3
2
1
2
2

Chance of Frost

Temperature (°C)

9
9
9
11
13
15
17
18
19
19
20
20
20
19
19
18
17
16
15
14
13
12
11
10

Feels Like (°C)

9
9
9
11
12
13
14
15
17
18
19
18
16
16
17
16
16
15
15
14
14
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

87
87
82
70
60
53
51
49
44
38
35
34
40
49
51
53
56
61
64
65
65
67
69
72

Pressure (mb)

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

Ozone (du)

357
356
354
353
354
354
355
355
354
355
356
358
358
358
358
358
357
354
353
354
354
355
355
353

Sunday 23

Waxing Gibbous 83%

18:25

01:14

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

Sun - Rise: 06:01, Set: 20:10, Transit: 13:05. Moon - Rise: 18:25, Set: 01:14. Civil Dark: 20:46 - 05:24. Nautical Dark: 21:32 - 04:40. Astro Dark: 22:25 - 03:48

Total Clouds (% Sky Obscured)

11
18
18
6
7
1
23
24
59
53
57
63
47
22
30
31
42
13
5
4
13
21
28
20

Low Clouds (% Sky Obscured)

8
16
15
3
5
0
0
18
15
1
1
0
1
0
0
0
0
7
2
0
4
9
12
8

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
10
0
22
23
27
33
24
11
14
17
23
5
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
0
1
0
0
2
2
2
1
1
2
5
2
2
2
2
2
8
11
16
11

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)

3
3
3
3
3
4
4
5
5
5
5
4
4
4
5
4
4
5
6
3
3
4
4
4

Chance of Frost

Temperature (°C)

10
9
10
12
15
17
19
21
22
23
23
23
23
23
22
20
18
17
16
14
13
13
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
80
78
66
57
49
43
38
35
32
29
27
27
27
30
36
39
40
45
50
53
64
79
86

Pressure (mb)

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

Ozone (du)

351
349
347
346
346
345
344
343
341
340
339
338
337
337
337
336
335
334
333
332
332
332
332
332

Monday 24

Waxing Gibbous 90%

18:55

02:26

05 OK
06 Good
07 OK
08 OK
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: 06:02, Set: 20:07, Transit: 13:05. Moon - Rise: 18:55, Set: 02:26. Civil Dark: 20:44 - 05:26. Nautical Dark: 21:29 - 04:42. Astro Dark: 22:21 - 03:51

Total Clouds (% Sky Obscured)

14
5
31
46
67
73
94
99
93
92
89
93
97
100
98
96
67
83
97
98
99
99
100
100

Low Clouds (% Sky Obscured)

4
0
1
1
2
8
15
19
14
9
3
2
1
0
0
0
0
7
14
20
19
20
19
17

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
2
3
12
21
30
27
74
58
21
31
40
33
78
70
87
35
38
38

High Clouds (% Sky Obscured)

10
5
30
43
62
63
88
97
63
41
17
41
74
100
93
86
40
69
87
94
92
98
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
11
16
22

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
8
6
5
6
7
6
6
5
5
5
5
6
7
8
9
10
11
12
12
12
13
13

Relative Humidity (%)

89
87
76
57
47
44
42
37
33
31
32
33
35
38
44
50
58
67
77
83
82
84
87
87

Pressure (mb)

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

Ozone (du)

333
333
335
337
335
335
334
333
330
327
324
321
321
321
321
321
322
323
323
322
320
320
319
319

Tuesday 25

Waxing Gibbous 95%

19:17

03:42

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: 06:04, Set: 20:05, Transit: 13:05. Moon - Rise: 19:17, Set: 03:42. Civil Dark: 20:41 - 05:28. Nautical Dark: 21:27 - 04:45. Astro Dark: 22:18 - 03:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
97
95
95
95
96
97
99
100
79
92
100
87
73
58
70
83
95
97

Low Clouds (% Sky Obscured)

15
14
14
15
16
28
34
44
44
49
45
40
60
84
70
54
39
26
14
1
18
34
49
65

Medium Clouds (% Sky Obscured)

40
42
40
86
100
98
97
95
93
87
79
77
74
66
76
76
75
70
62
56
57
55
55
66

High Clouds (% Sky Obscured)

100
100
100
100
100
83
67
45
45
45
40
34
78
88
50
77
100
74
47
14
35
61
90
93

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 (%)

27
26
31
32
28
14
11
19
10
3
0
0
0
0
0
0
0
0
1
1
18
28
37
45

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
12
12
12
11
9
6
5
5
5
6
7
7
8
10
11
11
12
12
13
13
14
14
15

Relative Humidity (%)

86
84
82
75
66
56
42
35
33
33
34
35
35
38
45
51
57
65
70
74
81
83
86
89

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1010
1010
1010
1010
1010
1009

Ozone (du)

319
320
320
320
318
317
316
315
316
316
316
312
314
313
312
312
313
313
314
315
315
314
312
311

Wednesday 26

Waxing Gibbous 99%

19:34

05:00

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: 06:06, Set: 20:03, Transit: 13:04. Moon - Rise: 19:34, Set: 05:00. Civil Dark: 20:39 - 05:30. Nautical Dark: 21:24 - 04:47. Astro Dark: 22:15 - 03:56

Total Clouds (% Sky Obscured)

98
100
100
99
99
99
100
100
98
96
94
91
85
80
75
73
66
65
65
65
67
69
75
84

Low Clouds (% Sky Obscured)

82
99
92
85
79
80
80
81
81
80
83
62
46
32
30
25
19
22
23
29
36
47
51
58

Medium Clouds (% Sky Obscured)

78
92
91
85
81
68
59
47
29
15
0
9
17
26
29
32
35
35
30
30
25
21
16
19

High Clouds (% Sky Obscured)

98
100
72
44
17
43
70
94
82
62
37
31
34
31
36
36
36
41
45
50
57
64
75
62

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

46
38
42
43
39
38
37
37
32
25
13
11
8
0
25
39
50
82
95
95
95
94
89
82

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.7
0.8
0.7
0.6
0.5
0.4

Wind Speed/Direction (mph)

5
5
6
6
9
12
13
14
15
15
15
16
14
13
12
10
8
6
6
6
6
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
90
88
88
88
80
74
68
60
52
46
45
44
44
51
58
66
70
72
76
79
83
89

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1009
1009
1008

Ozone (du)

311
312
312
312
313
313
318
324
329
331
333
335
336
338
340
340
340
340
340
341
341
340
339
338

Thursday 27

Waxing Gibbous 100%

19:48

05:00

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

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 - 04:49. Astro Dark: 22:12 - 03:59

Total Clouds (% Sky Obscured)

92
92
93
94
93
90
88
84
89
94
100
99
98
96
91
85
79
77
76
74

Low Clouds (% Sky Obscured)

61
59
58
52
47
50
53
56
64
72
80
67
54
41
35
27
19
20
17
14

Medium Clouds (% Sky Obscured)

20
20
33
46
59
44
29
15
30
47
64
73
83
90
72
54
36
40
35
35

High Clouds (% Sky Obscured)

46
22
43
64
80
75
74
61
71
79
91
91
88
80
74
67
63
56
51
47

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
7
6
6
5
5
6
8
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

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

Precipitation Probability (%)

67
24
20
14
5
26
39
51
84
95
95
95
91
77
61
46
25
29
26
16

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0.5
0.6
0.9
0.8
0.6
0.4
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
17
17
17
16
17
18
19
21
24
24
24
22
19
17
18
17
18
17
17

Dew Point (°C)

15
15
15
14
13
12
12
12
12
15
18
20
18
15
13
13
13
14
14
15

Relative Humidity (%)

87
88
86
77
68
59
57
54
52
61
73
85
77
70
64
68
71
76
79
85

Pressure (mb)

1008
1008
1007
1007
1007
1007
1006
1006
1006
1005
1005
1005
1004
1004
1004
1004
1004
1004
1003
1003

Ozone (du)

338
337
337
338
339
339
340
340
341
342
343
344
346
349
351
351
351
351
348
345

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

Generated: 21/08/26 05:03:11. Forecast: 21/08/26 to 27/08/26. Timezone: UTC+1.00