Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 20

Waxing Gibbous 77%

17:22

00:15

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

Sun - Rise: 06:52, Set: 19:07, Transit: 13:00. Moon - Rise: 17:22, Set: 00:15. Civil Dark: 19:40 - 06:19. Nautical Dark: 20:20 - 05:39. Astro Dark: 21:01 - 04:58

Total Clouds (% Sky Obscured)

6
26
42
48
100
100
100
100
39
30
5
7
19
48
65
54
51
41
41
47
44
47
42
41

Low Clouds (% Sky Obscured)

1
25
0
11
22
17
9
0
8
0
0
1
0
41
50
53
50
39
35
38
37
38
30
29

Medium Clouds (% Sky Obscured)

6
26
15
7
38
48
4
6
4
4
4
1
9
11
15
19
12
11
9
7
3
5
6
6

High Clouds (% Sky Obscured)

6
26
42
48
100
100
100
100
34
30
2
2
4
3
17
2
1
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
11
11
9
9
9
8
8
9
12
15
17
19
20
20
22
22
22
22
21
20
19
18

Dew Point (°C)

7
6
6
6
5
4
4
4
4
5
6
7
8
10
11
11
12
12
12
13
14
13
12
12

Relative Humidity (%)

71
67
67
67
67
62
64
67
68
68
63
56
54
55
55
55
55
56
58
65
72
73
73
75

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1031
1031
1030
1030
1030
1030
1031
1031
1030

Ozone (du)

275
274
273
273
272
271
271
272
272
273
272
271
271
271
271
272
271
270
270
269
270
271
272
271

Monday 21

Waxing Gibbous 85%

17:42

01:29

23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK
08 Bad
09 OK
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

Sun - Rise: 06:54, Set: 19:05, Transit: 12:59. Moon - Rise: 17:42, Set: 01:29. Civil Dark: 19:38 - 06:20. Nautical Dark: 20:17 - 05:41. Astro Dark: 20:58 - 05:00

Total Clouds (% Sky Obscured)

42
49
55
59
54
53
42
46
43
44
48
62
73
83
91
95
94
90
84
77
79
78
86
90

Low Clouds (% Sky Obscured)

28
22
23
27
27
25
19
22
24
26
28
52
66
77
89
91
89
83
74
60
72
78
86
87

Medium Clouds (% Sky Obscured)

5
5
3
4
4
4
4
3
10
15
19
23
24
28
27
28
23
26
17
20
13
15
18
13

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
0
3
10

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
5
33
82
100
100
100
100
98
100
97
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
4
14
14
13
13
7
13
12
10
12
14
14

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)

2
2
2
1
1
1
1
1
2
2
1
2
2
4
4
4
3
3
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
18
18
18
17
17
17
17
19
21
21
22
22
22
22
22
22
22
21
19
18
18

Dew Point (°C)

13
13
14
14
14
14
14
13
13
13
13
13
13
13
13
13
13
13
13
14
15
14
14
14

Relative Humidity (%)

79
85
90
93
93
93
93
93
95
90
83
76
70
65
62
61
60
60
61
68
75
76
77
78

Pressure (mb)

1031
1031
1031
1030
1030
1030
1029
1030
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028
1027
1027
1027
1027
1027
1027

Ozone (du)

271
270
270
271
270
268
268
268
269
270
270
270
270
271
271
272
273
273
274
275
275
274
275
276

Tuesday 22

Waxing Gibbous 92%

17:57

02:45

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 OK
18 OK
19 OK
20 OK
21 OK
22 OK

Sun - Rise: 06:55, Set: 19:02, Transit: 12:59. Moon - Rise: 17:57, Set: 02:45. Civil Dark: 19:36 - 06:22. Nautical Dark: 20:15 - 05:43. Astro Dark: 20:56 - 05:02

Total Clouds (% Sky Obscured)

92
92
88
93
92
85
83
92
80
89
69
90
93
75
49
39
55
45
29
27
26
24
23
33

Low Clouds (% Sky Obscured)

88
89
88
90
90
85
83
91
80
80
69
38
45
47
49
39
47
37
28
24
19
12
9
12

Medium Clouds (% Sky Obscured)

10
9
6
4
2
4
6
8
14
74
69
16
15
8
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

14
44
30
53
57
20
34
67
36
61
25
35
78
75
2
0
0
0
0
0
0
0
1
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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 (%)

12
13
5
2
9
4
3
2
3
10
8
9
10
3
8
20
12
4
10
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
83
85
83
85
85
84
84
83
81
81
69
59
55
51
52
63
66
67
73
76
72
75

Pressure (mb)

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

Ozone (du)

277
278
281
282
280
281
282
282
283
284
285
286
290
298
304
307
305
306
306
307
308
307
304
301

Wednesday 23

Waxing Gibbous 92%

18:10

04:02

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
22 Bad

Sun - Rise: 06:57, Set: 19:00, Transit: 12:58. Moon - Rise: 18:10, Set: 04:02. Civil Dark: 19:33 - 06:24. Nautical Dark: 20:13 - 05:44. Astro Dark: 20:53 - 05:04

Total Clouds (% Sky Obscured)

54
76
79
81
81
80
81
87
96
97
91
90
69
69
81
87
88
95
98
100
100
94
100
100

Low Clouds (% Sky Obscured)

15
20
37
23
24
26
29
28
32
25
24
23
15
13
13
10
4
3
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
3
5
4
5
8
9
8
8
6
5
7
8
8
8

High Clouds (% Sky Obscured)

10
11
20
19
23
41
58
78
84
85
77
76
43
46
70
81
76
93
97
100
100
88
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
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)

4
4
5
5
5
5
6
6
7
9
12
14
13
13
13
12
12
11
10
9
9
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
79
82
86
93
95
96
96
96
95
82
69
61
53
48
44
42
42
45
54
63
71
75
76

Pressure (mb)

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

Ozone (du)

299
298
297
296
294
293
291
289
289
289
288
285
284
283
283
282
282
282
281
279
278
277
277
276

Thursday 24

Waxing Gibbous 97%

18:22

05:19

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

Sun - Rise: 06:58, Set: 18:58, Transit: 12:58. Moon - Rise: 18:22, Set: 05:19. Civil Dark: 19:31 - 06:25. Nautical Dark: 20:10 - 05:46. Astro Dark: 20:51 - 05:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
88
72
71
63
54
46
51
58
69
71
73
75
72
54
47
45
47
55
53

Low Clouds (% Sky Obscured)

0
0
0
0
0
5
9
11
15
18
22
20
17
18
15
15
10
6
3
0
0
0
0
0

Medium Clouds (% Sky Obscured)

6
4
4
0
5
4
0
0
0
0
0
1
5
7
16
18
19
18
13
13
9
3
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
78
51
51
34
20
2
0
0
0
22
47
61
53
42
32
34
40
40
49

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
1
5
9
6
3
1
1
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)

6
5
4
4
4
4
4
4
4
5
8
9
10
10
10
10
10
9
8
7
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
82
86
92
93
93
93
93
93
92
79
69
59
52
47
46
45
44
50
57
64
66
69
71

Pressure (mb)

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

Ozone (du)

275
275
276
276
276
275
275
274
275
275
275
275
274
274
274
275
276
277
279
280
282
282
282
281

Friday 25

Waxing Gibbous 99%

18:34

06:38

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:00, Set: 18:55, Transit: 12:58. Moon - Rise: 18:34, Set: 06:38. Civil Dark: 19:29 - 06:27. Nautical Dark: 20:08 - 05:48. Astro Dark: 20:48 - 05:07

Total Clouds (% Sky Obscured)

50
27
39
59
80
67
57
50
55
54
69
78
83
87
77
69
60
64
65
65
76
87
97
74

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
6
11
17
15
14
12
8
4
0
0
0
0
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
8
16
25
35
45
55
44
34
29
35
38
40
41
32
25
7

High Clouds (% Sky Obscured)

44
27
39
59
80
63
51
35
35
39
38
58
68
73
68
60
55
55
55
56
71
84
95
63

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
11
9
9
10
10
10
9
9
10
12
12
13
13
19
18
17
17
17
17
11
11
11

Dew Point (°C)

5
4
3
5
6
8
8
9
9
9
9
9
9
10
10
9
8
6
7
8
9
10
10
11

Relative Humidity (%)

67
64
60
68
74
83
85
88
91
83
76
70
65
61
57
53
49
44
52
59
70
76
84
93

Pressure (mb)

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

Ozone (du)

281
281
281
281
282
283
284
284
285
285
284
284
286
288
289
292
295
297
299
300
302
303
303
304

Saturday 26

Full Moon 100%

18:47

07:59

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

Sun - Rise: 07:02, Set: 18:53, Transit: 12:57. Moon - Rise: 18:47, Set: 07:59. Civil Dark: 19:26 - 06:29. Nautical Dark: 20:05 - 05:49. Astro Dark: 20:46 - 05:09

Total Clouds (% Sky Obscured)

51
28
37
51
66
51
39
27
46
65
84
83
29
19
15
16
16
19
27
30

Low Clouds (% Sky Obscured)

6
10
7
3
0
0
1
3
3
4
6
7
8
6
4
4
5
5
9
12

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
3
1
2
2
5
10
12
13
14
10
5
2

High Clouds (% Sky Obscured)

32
1
16
34
66
48
23
3
20
33
43
40
29
19
15
16
16
19
27
30

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
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
12
17
19
24
28
33
31
24
5

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
10
10
11
11
11
10
10
11
12
11
12
12
18
17
15
16
16

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
93
95
95
93
93
91
84
75
69
61
55
49
48
46
45
51
57

Pressure (mb)

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

Ozone (du)

306
308
310
311
312
314
315
316
317
318
318
319
320
321
323
323
323
324
321
318

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.78)

Generated: 20/09/26 23:40:12. Forecast: 20/09/26 to 26/09/26. Timezone: UTC+1.00