Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 8

Waning Crescent 10%

02:29

18:37

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 OK
17 Bad
18 OK
19 OK
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 06:27, Set: 19:34, Transit: 13:00. Moon - Rise: 02:29, Set: 18:37. Civil Dark: 20:08 - 05:52. Nautical Dark: 20:50 - 05:10. Astro Dark: 21:35 - 04:25

Total Clouds (% Sky Obscured)

65
72
79
83
100
100
100
100
100
100
100
100
100
100
56
49
22
48
28
17
0
0
2
11

Low Clouds (% Sky Obscured)

65
72
79
78
62
70
69
65
76
88
72
72
66
64
49
47
18
26
26
2
0
0
2
11

Medium Clouds (% Sky Obscured)

65
72
79
83
100
100
100
100
93
98
100
99
100
95
56
49
0
13
5
8
0
0
0
0

High Clouds (% Sky Obscured)

65
72
79
83
100
73
100
100
100
100
100
100
41
15
19
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
95
75
66
50
56
51
45
46
68
56
32
12
5
7
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.4
0.4
0.4
0.3
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
13
12
13
13
13
13
13
13
13
12
9
9
6
6
8
8
8
9
8

Relative Humidity (%)

77
79
84
86
89
92
92
93
93
93
93
90
89
85
78
55
53
43
44
56
65
69
74
75

Pressure (mb)

1014
1013
1013
1012
1012
1011
1010
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1009
1010
1010
1011
1011

Ozone (du)

294
293
295
295
294
295
295
298
299
301
305
307
311
319
329
345
339
339
341
342
343
343
343
344

Wednesday 9

Waning Crescent 4%

03:59

18:54

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

Sun - Rise: 06:28, Set: 19:31, Transit: 13:00. Moon - Rise: 03:59, Set: 18:54. Civil Dark: 20:06 - 05:54. Nautical Dark: 20:47 - 05:12. Astro Dark: 21:32 - 04:27

Total Clouds (% Sky Obscured)

17
5
27
47
23
29
27
30
44
63
61
67
64
66
35
51
34
20
31
13
24
16
83
97

Low Clouds (% Sky Obscured)

17
5
23
39
23
28
18
24
44
63
61
67
40
35
25
23
16
9
12
4
12
6
13
16

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
9
30
0
7
0
0
0
0
0
0
0
0

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
2
72
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
1
1
5
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)

11
11
11
11
10
9
8
7
8
10
12
12
11
11
10
9
8
8
8
5
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
9
7
7
9
10
10
11
10
11
12
13
15
16
16
17
17
17
16
14
13
12
10

Dew Point (°C)

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

Relative Humidity (%)

75
76
77
77
73
77
77
76
67
59
66
65
50
43
40
38
37
38
43
54
58
65
69
71

Pressure (mb)

1012
1013
1013
1013
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020

Ozone (du)

346
343
339
338
339
338
338
337
336
335
335
333
335
337
336
333
331
330
329
325
321
319
317
315

Thursday 10

Waning Crescent 1%

05:26

19:07

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 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:30, Set: 19:29, Transit: 12:59. Moon - Rise: 05:26, Set: 19:07. Civil Dark: 20:03 - 05:56. Nautical Dark: 20:45 - 05:14. Astro Dark: 21:29 - 04:30

Total Clouds (% Sky Obscured)

66
96
100
100
87
100
97
97
81
88
82
54
38
66
79
100
98
100
100
100
100
100
97
96

Low Clouds (% Sky Obscured)

12
27
41
21
9
0
18
9
0
20
45
36
36
30
40
35
29
14
29
48
67
78
86
77

Medium Clouds (% Sky Obscured)

0
0
0
0
6
4
9
13
14
21
63
14
5
20
20
9
7
82
99
88
85
100
91
85

High Clouds (% Sky Obscured)

48
96
100
100
87
100
90
28
15
13
10
2
5
24
79
100
93
100
100
100
100
100
77
57

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
2
41
77
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.9
1.3
1.4
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
9
9
9
9
7
7
9
11
13
14
16
18
18
17
15
16
16
16
15
14
13
12

Dew Point (°C)

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

Relative Humidity (%)

73
76
78
80
80
80
81
78
72
64
59
55
49
45
42
40
36
38
48
57
64
70
73
75

Pressure (mb)

1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1015
1015
1015
1014
1015
1015
1015
1014

Ozone (du)

312
310
309
308
307
305
304
304
305
306
308
315
313
308
305
302
299
298
297
297
295
296
299
304

Friday 11

New Moon 0%

06:50

19:18

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
22 OK
23 Good

Sun - Rise: 06:32, Set: 19:27, Transit: 12:59. Moon - Rise: 06:50, Set: 19:18. Civil Dark: 20:01 - 05:57. Nautical Dark: 20:42 - 05:16. Astro Dark: 21:26 - 04:32

Total Clouds (% Sky Obscured)

93
84
72
64
70
73
70
59
55
59
58
56
56
64
69
73
71
74
76
71
72
53
28
15

Low Clouds (% Sky Obscured)

87
77
66
58
61
70
70
59
55
59
58
56
46
64
69
73
71
74
76
64
43
10
0
0

Medium Clouds (% Sky Obscured)

71
28
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
1
12
8
2
2
2
10
16
12
21
33
21
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
69
30
8
6
2
0
1
13
5
11
9
25
22
7
0
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.9
0.3
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
10
8
8
8
8
8
8
9
10
11
10
9
10
10
9
9
8
7
7
6
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
79
83
83
82
82
83
83
80
82
79
65
55
50
48
53
53
56
60
63
62
66
67

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1015
1016
1017
1018
1019
1019
1019
1019
1020
1020
1020
1021
1022
1022
1023
1024
1024

Ozone (du)

311
314
315
313
313
312
312
312
312
311
312
314
316
317
316
313
312
312
312
313
312
313
314
316

Saturday 12

Waxing Crescent 2%

08:11

19:30

00 OK
01 Good
02 OK
03 Bad
04 Bad
05 Bad
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 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:33, Set: 19:24, Transit: 12:59. Moon - Rise: 08:11, Set: 19:30. Civil Dark: 19:58 - 05:59. Nautical Dark: 20:39 - 05:18. Astro Dark: 21:23 - 04:34

Total Clouds (% Sky Obscured)

45
15
24
67
76
83
78
61
54
35
43
52
61
56
52
52
62
60
62
70
80
85
90
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
6
20
38
56
67
80
80
80
90

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
3
6
48
35
43
52
61
56
52
49
41
41
36
52
77
85
90
95

High Clouds (% Sky Obscured)

45
14
22
62
69
76
69
53
44
20
15
15
15
15
15
15
27
38
53
55
64
82
90
92

ISS Passover

Visibility (miles)

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

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
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
9
6
29
43
60
56
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
3
3
3
3
3
2
4
5
7
9
10
11
12
12
12
12
11
10
9
9
9
9

Chance of Frost

Temperature (°C)

11
11
10
9
9
8
8
8
11
13
15
17
18
20
20
20
20
20
19
19
18
16
15
15

Feels Like (°C)

11
8
10
9
7
7
7
8
10
12
13
15
16
16
17
17
18
17
18
18
15
14
14
12

Dew Point (°C)

6
5
5
4
4
4
4
4
5
6
8
9
10
9
9
9
9
8
8
7
10
12
14
14

Relative Humidity (%)

67
68
69
70
72
73
73
73
66
61
60
62
58
49
49
49
47
47
47
47
59
74
93
93

Pressure (mb)

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

Ozone (du)

313
312
310
308
305
303
299
297
297
298
298
301
301
302
302
302
302
302
302
303
306
310
313
315

Sunday 13

Waxing Crescent 7%

09:31

19:42

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

Sun - Rise: 06:35, Set: 19:22, Transit: 12:58. Moon - Rise: 09:31, Set: 19:42. Civil Dark: 19:56 - 06:01. Nautical Dark: 20:37 - 05:20. Astro Dark: 21:21 - 04:36

Total Clouds (% Sky Obscured)

98
99
99
100
91
81
72
80
87
95
96
97
98
73
48
22
26
30
34
42
50
58
64
69

Low Clouds (% Sky Obscured)

94
95
91
96
79
57
36
56
77
95
96
97
98
66
33
0
0
0
0
0
0
0
0
3

Medium Clouds (% Sky Obscured)

95
82
68
53
39
26
13
8
7
8
13
18
23
19
15
16
12
6
2
3
3
4
3
1

High Clouds (% Sky Obscured)

93
85
85
88
64
35
3
2
1
1
1
2
1
3
4
5
12
19
27
33
41
50
53
46

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

38
33
27
21
22
20
16
15
14
12
16
12
1
1
1
0
0
1
0
2
4
1
2
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
93
93
93
92
92
93
87
83
78
70
63
57
52
46
42
48
56
62
67
73
80
82

Pressure (mb)

1017
1016
1016
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

316
318
317
316
315
315
316
316
312
308
303
301
299
297
294
291
288
287
285
284
283
282
281
280

Monday 14

Waxing Crescent 13%

10:50

19:57

Sun - Rise: 06:36, Set: 19:20, Transit: 12:58. Moon - Rise: 10:50, Set: 19:57. Civil Dark: 19:53 - 06:02. Nautical Dark: 20:34 - 05:22. Astro Dark: 21:18 - 04:38

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 08/09/26 00:43:05. Forecast: 08/09/26 to 14/09/26. Timezone: UTC+1.00