Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 30

Waning Gibbous 94%

20:21

08:53

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
22 Bad
23 Bad
00 Bad
01 Bad
02 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: 22:02 - 04:04

Total Clouds (% Sky Obscured)

96
80
82
44
58
85
83
73
67
86
70
67
89
100
75
100
100
99
68
79
98
100
100
100

Low Clouds (% Sky Obscured)

64
67
42
35
37
58
52
47
56
33
56
57
75
69
50
33
36
38
38
37
36
70
59
40

Medium Clouds (% Sky Obscured)

5
5
3
2
0
0
0
0
5
6
3
8
5
4
40
86
55
55
3
5
31
65
82
54

High Clouds (% Sky Obscured)

0
0
0
0
36
63
70
66
67
61
0
22
45
50
60
100
100
94
20
79
97
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
5
9
6
8
9
7
6
9
9
9
9
7
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
Light Rain
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
5
28
50
75
91
95
95
95
78
32
17
38
38
76
62
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.5
0.5
1.3
1.1
0.6
0.3
0
0
0
0
0.4
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
92
95
96
93
86
76
65
59
57
58
56
55
68
62
77
87
83
87
92
92
92
89

Pressure (mb)

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

Ozone (du)

317
318
319
318
316
316
317
318
319
320
321
322
322
320
322
328
329
329
330
329
332
334
335
337

Monday 31

Waning Gibbous 91%

20:34

10:14

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
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

Sun - Rise: 06:14, Set: 19:52, Transit: 13:03. Moon - Rise: 20:34, Set: 10:14. Civil Dark: 20:27 - 05:38. Nautical Dark: 21:11 - 04:55. Astro Dark: 21:59 - 04:06

Total Clouds (% Sky Obscured)

100
84
96
70
70
40
76
93
74
87
86
75
87
70
77
100
100
100
100
100
91
98
64
78

Low Clouds (% Sky Obscured)

41
73
84
60
32
39
73
66
52
76
75
69
68
70
77
75
84
59
8
0
0
0
0
0

Medium Clouds (% Sky Obscured)

78
49
19
9
15
0
1
7
5
10
15
14
23
9
24
3
4
22
57
67
90
82
64
59

High Clouds (% Sky Obscured)

100
25
61
27
36
1
0
0
0
0
0
20
20
20
25
100
100
100
100
100
77
97
34
73

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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

Very 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 (%)

53
14
0
0
0
0
0
1
22
30
15
17
18
14
13
3
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
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
11
11
11
11
12
14
14
14
14
14
14
13
12
11
10
11
9
7
5
5
5
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
12
12
12
13
13
13
13
13
13
13
12
13
13
13
12
12
11
10
10
10
9

Relative Humidity (%)

93
95
92
90
89
87
83
79
76
71
72
69
68
62
67
68
71
73
74
76
78
79
83
83

Pressure (mb)

1005
1005
1005
1006
1007
1008
1009
1009
1010
1011
1012
1013
1013
1014
1014
1015
1016
1017
1017
1018
1019
1019
1019
1019

Ozone (du)

337
335
335
334
335
336
336
334
331
329
326
325
324
322
318
317
317
315
315
315
316
316
316
314

Tuesday 1

Waning Gibbous 83%

20:50

11:38

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

Sun - Rise: 06:15, Set: 19:50, Transit: 13:02. Moon - Rise: 20:50, Set: 11:38. Civil Dark: 20:25 - 05:40. Nautical Dark: 21:08 - 04:57. Astro Dark: 21:56 - 04:09

Total Clouds (% Sky Obscured)

66
53
47
69
62
63
36
40
65
90
97
99
100
100
99
51
43
95
100
100
95
94
98
100

Low Clouds (% Sky Obscured)

3
0
1
0
0
19
31
37
49
65
65
87
51
43
44
25
29
45
35
0
8
24
31
41

Medium Clouds (% Sky Obscured)

36
20
14
17
12
63
4
5
6
6
13
18
25
13
25
12
9
7
7
12
11
13
18
24

High Clouds (% Sky Obscured)

66
5
11
18
16
8
4
3
2
41
1
15
100
100
98
13
0
81
100
100
94
92
96
99

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
6
3
0
0
1
1
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
5
6
6
8
9
10
11
12
12
11
10
12
12
10
9
6
5
6
7
7
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
9
10
10
10
9
11
11
10
10
10
11
11
11
11
12
11
11
11
11
12
12
13

Relative Humidity (%)

86
87
86
87
88
80
70
67
62
55
53
53
55
53
54
57
60
66
71
74
78
82
87
92

Pressure (mb)

1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

314
313
312
314
315
316
315
317
320
319
317
317
318
319
320
320
320
319
319
316
313
309
307
305

Wednesday 2

Waning Gibbous 74%

21:12

13:05

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:17, Set: 19:47, Transit: 13:02. Moon - Rise: 21:12, Set: 13:05. Civil Dark: 20:22 - 05:42. Nautical Dark: 21:05 - 04:59. Astro Dark: 21:53 - 04:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
88
99
91
100
100
90
95
99
99
99
97
96
96
94
93

Low Clouds (% Sky Obscured)

42
41
52
29
48
57
67
64
72
46
71
57
85
83
60
55
53
54
78
72
83
81
81
77

Medium Clouds (% Sky Obscured)

53
98
98
96
94
98
99
99
99
29
56
14
14
18
17
64
88
95
94
69
64
70
59
57

High Clouds (% Sky Obscured)

100
100
100
100
99
98
75
79
91
88
90
86
99
80
48
25
40
81
81
92
66
62
53
69

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
8
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
2
9
14
12
8
16
21
19
18
19
26
26
18
7
5
5
2
6
3
16
32
48

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
89
87
83
80
73
74
76
78
62
68
63
72
69
70
75
80
81
80
82
86
88
89

Pressure (mb)

1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1016

Ozone (du)

302
300
298
298
297
297
297
297
297
297
296
295
295
294
293
293
292
291
291
290
291
290
289
290

Thursday 3

Waning Gibbous 63%

21:44

14:32

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:19, Set: 19:45, Transit: 13:02. Moon - Rise: 21:44, Set: 14:32. Civil Dark: 20:20 - 05:44. Nautical Dark: 21:03 - 05:01. Astro Dark: 21:50 - 04:14

Total Clouds (% Sky Obscured)

93
92
92
92
93
95
98
98
99
100
98
100
71
97
92
94
97
98
100
97
94
91
91
91

Low Clouds (% Sky Obscured)

81
70
67
58
34
59
39
44
27
32
43
46
39
30
30
29
46
48
55
40
31
21
31
47

Medium Clouds (% Sky Obscured)

89
91
92
92
93
95
98
98
99
100
90
15
14
87
25
94
97
97
98
97
94
91
91
91

High Clouds (% Sky Obscured)

58
57
44
56
59
54
46
60
74
87
64
46
2
5
13
13
33
34
40
45
45
35
30
25

ISS Passover

Visibility (miles)

8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
5
7
8
17
26
40
23
33
46
62
74
83
71
52
16
0
1
2
6
8
5
22
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.8
0.6
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
12
12
12
11
12
12
12
12
12
11
11
9
11
11
12
10
9
9
9
10
11
12

Chance of Frost

Temperature (°C)

18
18
18
17
17
17
18
18
18
19
19
19
19
19
20
20
20
19
19
18
18
18
18
18

Feels Like (°C)

16
15
15
15
14
15
15
16
15
14
14
14
14
14
15
16
16
16
16
16
15
16
16
15

Dew Point (°C)

16
16
16
16
15
15
16
16
14
10
9
8
6
5
7
9
11
12
12
13
14
14
15
15

Relative Humidity (%)

89
89
90
92
87
89
89
85
74
57
53
48
42
40
44
49
56
61
65
72
74
78
81
83

Pressure (mb)

1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1016
1016
1016
1016
1015
1015
1014

Ozone (du)

289
289
288
289
290
292
292
294
295
295
296
296
296
296
296
297
298
299
300
300
303
306
309
311

Friday 4

Third Quarter 51%

22:31

15:52

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:20, Set: 19:43, Transit: 13:01. Moon - Rise: 22:31, Set: 15:52. Civil Dark: 20:18 - 05:45. Nautical Dark: 21:00 - 05:03. Astro Dark: 21:47 - 04:16

Total Clouds (% Sky Obscured)

91
92
94
95
87
76
64
66
67
71
68
70
66
65
64
63
64
65
66
62
63
60
68
72

Low Clouds (% Sky Obscured)

62
58
54
52
42
33
21
32
42
52
43
34
25
22
19
20
25
26
29
27
27
27
35
43

Medium Clouds (% Sky Obscured)

83
76
71
66
52
33
8
4
4
5
9
9
10
14
15
10
5
5
0
0
5
4
12
15

High Clouds (% Sky Obscured)

15
10
10
10
12
18
15
11
5
0
15
29
47
29
15
0
2
4
5
4
2
0
0
0

ISS Passover

Visibility (miles)

9
9
8
7
6
7
8
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 (%)

32
38
43
48
48
45
36
27
21
22
21
17
8
15
17
19
21
21
22
20
20
18
15
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
16
16
16
15
15
15
15
15
15
16
15
14
15
15
16
15
15
16
16
16
15
12

Dew Point (°C)

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

Relative Humidity (%)

85
88
88
89
88
80
72
67
60
56
50
49
45
43
48
54
59
65
70
77
75
75
74
74

Pressure (mb)

1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1016
1017

Ozone (du)

314
316
321
326
331
331
331
331
331
331
330
330
330
330
330
331
332
335
339
342
343
343
344
344

Saturday 5

Waning Crescent 39%

23:37

16:57

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

Sun - Rise: 06:22, Set: 19:40, Transit: 13:01. Moon - Rise: 23:37, Set: 16:57. Civil Dark: 20:15 - 05:47. Nautical Dark: 20:58 - 05:05. Astro Dark: 21:44 - 04:18

Total Clouds (% Sky Obscured)

83
82
82
87
88
90
92
86
80
73
67
59
52
45
40
37
49
61
71
74
78
81

Low Clouds (% Sky Obscured)

59
69
71
70
78
83
87
79
70
65
56
44
32
25
12
8
9
10
7
7
6
7

Medium Clouds (% Sky Obscured)

28
33
34
35
27
19
11
9
9
9
8
4
0
0
1
1
6
9
13
14
14
16

High Clouds (% Sky Obscured)

0
0
0
0
3
4
7
3
3
3
3
2
3
4
6
14
15
25
27
23
23
23

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

Fog (%)

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

Precipitation Probability (%)

4
6
6
3
4
2
1
1
1
0
1
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

Wind Speed/Direction (mph)

8
8
8
8
8
8
9
9
9
10
12
11
11
11
10
8
7
6
5
5
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
12
12
11
11
11
12
12
13
17
17
18
18
19
20
18
18
18
18
17

Dew Point (°C)

10
10
10
10
10
10
10
10
10
10
10
9
8
8
8
10
11
11
11
12
12
11

Relative Humidity (%)

73
72
72
73
73
69
66
62
57
53
49
44
40
37
40
45
49
54
59
66
67
67

Pressure (mb)

1017
1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020

Ozone (du)

345
346
341
337
332
330
327
324
321
319
316
314
313
311
310
308
306
305
303
301
301
300

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

Generated: 30/08/26 03:07:46. Forecast: 30/08/26 to 05/09/26. Timezone: UTC+1.00