Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 20

Waxing Gibbous 68%

16:55

00:08

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

Sun - Rise: 06:48, Set: 19:05, Transit: 12:55. Moon - Rise: 16:55, Set: 00:08. Civil Dark: 19:39 - 06:14. Nautical Dark: 20:19 - 05:34. Astro Dark: 21:01 - 04:52

Total Clouds (% Sky Obscured)

12
27
27
26
35
26
30
56
46
63
100
99
100
61
10
19
61
41
40
38
48
50
43
47

Low Clouds (% Sky Obscured)

12
9
13
11
0
0
0
0
0
0
4
2
0
0
0
0
19
0
0
12
18
35
28
36

Medium Clouds (% Sky Obscured)

0
0
5
10
10
13
14
9
22
13
71
63
15
18
5
5
20
20
15
18
21
24
18
14

High Clouds (% Sky Obscured)

12
27
20
4
21
2
6
45
37
45
80
83
100
43
7
14
14
2
2
1
1
1
1
1

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)

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

Chance of Frost

Temperature (°C)

18
17
16
14
14
13
12
11
11
11
10
10
9
9
9
10
12
14
16
18
19
20
20
21

Feels Like (°C)

15
15
14
13
13
11
12
11
9
10
10
8
7
7
8
9
11
13
15
17
19
20
21
21

Dew Point (°C)

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

Relative Humidity (%)

38
47
53
57
61
63
66
67
70
71
71
65
64
69
70
67
58
51
46
45
46
47
51
53

Pressure (mb)

1028
1029
1029
1030
1031
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1032
1032
1032
1031
1031
1030

Ozone (du)

287
287
286
285
284
283
281
280
279
278
278
277
277
277
276
275
274
274
274
274
275
275
275
276

Monday 21

Waxing Gibbous 77%

17:21

01:22

17 OK
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 OK
15 Bad
16 Bad

Sun - Rise: 06:50, Set: 19:03, Transit: 12:55. Moon - Rise: 17:21, Set: 01:22. Civil Dark: 19:37 - 06:16. Nautical Dark: 20:17 - 05:36. Astro Dark: 20:58 - 04:54

Total Clouds (% Sky Obscured)

48
49
84
88
86
78
81
87
92
92
86
75
69
67
66
65
74
71
66
63
59
40
49
59

Low Clouds (% Sky Obscured)

46
41
71
69
74
73
75
78
88
85
75
62
44
41
41
44
43
41
43
40
28
16
29
46

Medium Clouds (% Sky Obscured)

14
17
12
8
4
4
6
12
17
22
27
39
29
17
28
24
17
11
12
15
13
9
7
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
0
1
2
1

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
1
0
1
5
2
0
1
5
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
4
2
3
4
3
3
3
3
3
3
3
3
2
2
2
3
3
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
12
13
13
11
12
12
13
13
13
13
14
14
14
14
14
13
12
12
11
11
11
12
12

Relative Humidity (%)

55
62
70
70
67
70
74
78
81
81
83
86
89
92
93
87
78
70
64
58
54
52
51
51

Pressure (mb)

1030
1030
1030
1031
1031
1030
1031
1031
1030
1030
1030
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1029
1028
1028

Ozone (du)

275
272
271
271
272
272
272
271
271
271
270
268
268
268
268
270
271
273
274
276
277
277
278
279

Tuesday 22

Waxing Gibbous 85%

17:40

02:39

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
16 Bad

Sun - Rise: 06:51, Set: 19:01, Transit: 12:55. Moon - Rise: 17:40, Set: 02:39. Civil Dark: 19:34 - 06:18. Nautical Dark: 20:14 - 05:38. Astro Dark: 20:56 - 04:56

Total Clouds (% Sky Obscured)

58
70
62
87
88
88
91
93
93
92
93
100
100
98
100
89
98
95
98
75
77
54
52
48

Low Clouds (% Sky Obscured)

38
33
52
73
80
73
67
69
77
65
65
60
72
70
45
61
51
69
74
38
41
48
45
44

Medium Clouds (% Sky Obscured)

6
2
2
4
4
6
7
7
11
14
15
15
17
25
16
15
15
20
79
69
38
10
10
7

High Clouds (% Sky Obscured)

20
52
2
36
15
10
21
18
17
31
55
100
100
87
100
46
86
31
90
20
20
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
2
7
3
3
3
3
6
6
23
29
21
33
22
22
39
42
36
23
24
12
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
13
13
13
13
12
13
12
12
13
12
12
14
14
14
15
15
14
14
15
13
13
12
13

Relative Humidity (%)

52
58
64
67
68
69
71
71
72
73
73
74
82
87
87
89
83
76
73
71
60
57
52
54

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023

Ozone (du)

279
280
280
281
281
281
281
281
282
283
282
283
284
286
288
287
287
286
287
289
292
300
307
311

Wednesday 23

Waxing Gibbous 92%

17:54

03:57

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

Sun - Rise: 06:53, Set: 18:58, Transit: 12:54. Moon - Rise: 17:54, Set: 03:57. Civil Dark: 19:32 - 06:19. Nautical Dark: 20:12 - 05:40. Astro Dark: 20:53 - 04:58

Total Clouds (% Sky Obscured)

26
23
22
25
29
32
72
42
44
50
68
78
89
100
99
93
100
90
78
75
67
63
62
75

Low Clouds (% Sky Obscured)

26
23
22
25
26
31
27
27
28
26
32
32
33
28
24
23
18
14
8
6
4
3
0
0

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
7
9
11
16
15
10
7
10

High Clouds (% Sky Obscured)

0
0
10
20
29
30
44
32
29
26
43
60
80
100
98
76
98
85
65
63
67
63
59
73

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 (%)

2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
60
63
70
72
73
76
83
87
90
93
93
95
95
95
87
75
67
59
53
49
45
43
42

Pressure (mb)

1023
1024
1024
1025
1025
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1022
1021
1020

Ozone (du)

311
310
309
310
308
307
305
302
300
298
295
294
293
292
292
291
289
288
287
287
286
284
283
283

Thursday 24

Waxing Gibbous 97%

18:07

05:15

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 OK
08 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:54, Set: 18:56, Transit: 12:54. Moon - Rise: 18:07, Set: 05:15. Civil Dark: 19:30 - 06:21. Nautical Dark: 20:09 - 05:41. Astro Dark: 20:51 - 05:00

Total Clouds (% Sky Obscured)

86
71
67
82
82
71
83
82
99
98
97
93
78
81
27
32
37
49
63
76
75
70
64
70

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
9
13
12
15
17
0
0
0
13
24
27
17
16
16
13

Medium Clouds (% Sky Obscured)

9
7
8
8
9
8
7
5
8
10
12
17
27
28
9
12
15
11
9
7
11
17
34
37

High Clouds (% Sky Obscured)

77
60
48
78
82
71
83
82
93
87
79
82
78
81
13
14
16
31
43
66
62
57
55
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
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
9
15
24
0
0
0
0
2
1
2
3
2
19

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
7
7
7
7
6
6
6
7
7
7
7
7
8
8
6
7
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
10
10
9
8
7
7
8
9
10
11
11
11
11
9
9
9
8
7
7
7
7
7

Relative Humidity (%)

43
50
55
57
58
57
57
60
67
75
82
86
89
90
90
79
70
63
56
49
43
42
42
41

Pressure (mb)

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

Ozone (du)

282
282
281
279
279
278
278
277
276
277
277
277
276
276
277
277
276
276
276
275
275
275
276
276

Friday 25

Waxing Gibbous 99%

18:18

06:34

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
16 Bad

Sun - Rise: 06:56, Set: 18:54, Transit: 12:54. Moon - Rise: 18:18, Set: 06:34. Civil Dark: 19:27 - 06:23. Nautical Dark: 20:07 - 05:43. Astro Dark: 20:48 - 05:02

Total Clouds (% Sky Obscured)

60
55
57
67
79
75
72
64
73
84
100
100
100
100
99
97
96
97
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

9
10
6
3
0
0
0
0
4
9
13
10
7
4
17
31
42
27
13
1
9
17
32
39

Medium Clouds (% Sky Obscured)

36
31
18
6
0
11
21
32
52
74
97
96
97
97
98
97
96
97
99
100
98
96
90
92

High Clouds (% Sky Obscured)

60
55
57
67
79
73
57
37
52
75
99
98
97
95
92
91
89
92
96
100
100
100
100
98

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
35
32
25
16
10
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
1

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
6
5
5
4
3
3
3
3
3
3
2
2
2
3
3
4
5
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
8
8
8
8
8
7
6
6
6
5
5
4
3
2
3
4
6
5
5
5
5
5
5

Relative Humidity (%)

47
52
60
60
63
67
65
64
64
64
63
63
59
55
51
53
54
55
50
46
42
40
40
38

Pressure (mb)

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

Ozone (du)

277
279
281
281
281
281
281
281
281
281
281
282
282
282
282
282
281
281
281
282
283
284
285
286

Saturday 26

Full Moon 100%

18:29

07:55

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: 06:58, Set: 18:51, Transit: 12:53. Moon - Rise: 18:29, Set: 07:55. Civil Dark: 19:25 - 06:24. Nautical Dark: 20:04 - 05:45. Astro Dark: 20:45 - 05:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
93
88
90
91
93
92
82
75
72
69
71
77
83
88

Low Clouds (% Sky Obscured)

40
37
28
17
5
3
2
0
0
0
0
11
14
19
22
25
24
36
49
65

Medium Clouds (% Sky Obscured)

96
99
91
82
73
56
39
22
21
17
13
16
14
11
16
19
24
25
21
22

High Clouds (% Sky Obscured)

97
95
97
98
100
94
87
81
86
91
93
92
82
75
72
62
58
66
72
77

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

3
4
6
5
5
4
2
0
0
0
0
8
8
4
10
17
27
38
48
57

Precipitation Amount (mm)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
50
57
63
70
79
76
76
75
80
86
92
93
95
95
89
80
74
65
58

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014

Ozone (du)

288
290
292
292
293
293
294
295
296
299
301
303
303
304
304
305
305
305
307
309

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

Generated: 20/09/26 17:27:30. Forecast: 20/09/26 to 26/09/26. Timezone: UTC+1.00