Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 21

Waxing Gibbous 79%

16:15

02:56

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

Sun - Rise: 07:44, Set: 18:00, Transit: 12:51. Moon - Rise: 16:15, Set: 02:56. Civil Dark: 18:34 - 07:10. Nautical Dark: 19:13 - 06:31. Astro Dark: 19:52 - 05:52

Total Clouds (% Sky Obscured)

89
91
93
84
73
86
43
29
32
43
66
100
100
100
91
87
76
37
23
19
24
39
24
71

Low Clouds (% Sky Obscured)

89
84
68
61
24
20
28
23
25
24
26
35
92
90
62
42
34
34
23
15
20
31
17
22

Medium Clouds (% Sky Obscured)

86
91
93
63
40
79
11
0
0
17
45
100
90
100
86
60
58
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

50
50
50
45
19
4
0
0
0
0
0
47
28
3
0
0
0
0
0
0
0
0
2
53

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
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
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
74
88
25
9
5
3
2
1
1
15
42
74
63
59
54
35
3
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
18
20
19
19
18
16
14
13
11
12
13
13
10
10
11
12
12
10
9
8
8
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
84
81
76
72
68
69
71
74
84
87
88
90
91
88
93
95
95
93
93
91
90
81
76

Pressure (mb)

1001
1002
1003
1004
1005
1005
1006
1007
1008
1008
1008
1008
1008
1007
1006
1006
1006
1007
1007
1008
1009
1009
1010
1010

Ozone (du)

305
304
305
304
303
303
307
313
312
309
309
309
310
310
310
311
309
311
310
309
312
311
308
304

Thursday 22

Waxing Gibbous 87%

16:28

04:13

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:45, Set: 17:58, Transit: 12:51. Moon - Rise: 16:28, Set: 04:13. Civil Dark: 18:33 - 07:11. Nautical Dark: 19:11 - 06:32. Astro Dark: 19:50 - 05:54

Total Clouds (% Sky Obscured)

50
81
65
81
94
100
100
100
100
100
100
100
100
100
97
47
85
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
42
34
17
17
28
78
89
92
90
94
100
94
100
83
30
36
96
98
98
98
94
98
100

Medium Clouds (% Sky Obscured)

0
7
10
63
91
99
98
100
100
100
100
100
100
100
30
3
57
89
85
40
43
100
100
100

High Clouds (% Sky Obscured)

29
62
47
61
62
93
100
100
100
100
100
100
100
100
46
0
45
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
51
0
0
0
0
1
0
0

Precipitation Type

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

Precipitation Probability (%)

0
1
15
3
1
7
37
83
95
95
95
95
95
91
67
57
82
95
85
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
1
1
1.7
2.9
3.3
0.3
0.3
0.2
0.4
1.3
0.2
0.7
1.1
1.9
1.5
0.9

Wind Speed/Direction (mph)

11
11
12
11
9
7
8
10
12
14
15
18
20
22
21
21
21
20
21
19
20
14
16
22

Chance of Frost

Temperature (°C)

11
12
13
13
12
12
11
11
11
11
11
12
12
12
12
12
12
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
67
66
65
70
75
80
78
91
96
95
93
93
92
87
89
86
86
90
91
93
93
96
93

Pressure (mb)

1010
1010
1010
1009
1009
1008
1007
1006
1005
1003
1002
1000
998
996
994
992
990
988
986
984
982
982
984
988

Ozone (du)

302
297
293
291
290
288
288
288
291
293
296
296
299
301
307
312
310
307
308
308
308
310
309
309

Friday 23

Waxing Gibbous 94%

16:40

05:32

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

Sun - Rise: 07:47, Set: 17:56, Transit: 12:51. Moon - Rise: 16:40, Set: 05:32. Civil Dark: 18:31 - 07:13. Nautical Dark: 19:10 - 06:34. Astro Dark: 19:48 - 05:55

Total Clouds (% Sky Obscured)

100
97
99
93
93
93
70
28
23
3
35
35
3
24
64
100
100
100
100
98
100
100
100
100

Low Clouds (% Sky Obscured)

99
97
93
77
61
22
21
17
21
2
35
35
2
3
5
10
30
13
16
23
25
34
39
61

Medium Clouds (% Sky Obscured)

73
87
99
35
90
93
41
1
0
0
0
0
0
6
12
15
21
24
39
33
52
100
97
100

High Clouds (% Sky Obscured)

56
20
39
50
45
45
45
8
0
0
0
0
0
15
59
100
100
100
100
98
100
100
100
100

ISS Passover

Visibility (miles)

7
3
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

Light Rain
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
90
46
41
18
6
0
1
1
12
3
12
0
0
1
2
1
1
0
24
36
39
36
35

Precipitation Amount (mm)

0.9
0.7
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)

30
28
31
30
28
27
24
22
21
19
18
18
17
15
14
13
12
11
10
9
9
10
11
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
-1
-1
-1
-0
0
1
1
2
2
1
1
2
2
2
1
2
3
3
4
5
5
6

Dew Point (°C)

9
9
6
5
4
3
2
3
3
3
3
3
3
3
3
3
2
3
4
4
6
6
6
6

Relative Humidity (%)

87
91
82
80
74
69
68
71
73
75
75
71
74
76
79
78
75
76
79
82
88
87
82
78

Pressure (mb)

991
994
997
999
1001
1004
1006
1007
1008
1009
1010
1011
1012
1012
1012
1013
1013
1013
1013
1013
1012
1012
1011
1010

Ozone (du)

313
311
311
312
313
315
319
325
331
332
331
332
334
332
327
320
316
316
316
315
313
311
308
306

Saturday 24

Waxing Gibbous 98%

16:52

05:56

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 OK
05 OK
06 OK
07 Bad
08 OK
09 OK
10 Bad
11 Bad

Sun - Rise: 06:49, Set: 17:54, Transit: 12:51. Moon - Rise: 16:52, Set: 05:56. Civil Dark: 18:29 - 06:15. Nautical Dark: 19:08 - 05:35. Astro Dark: 19:46 - 04:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
88
76
64
62
63
37
12
18
22
38
9
18
60
76

Low Clouds (% Sky Obscured)

93
78
97
97
96
95
94
87
79
75
76
73
64
62
63
13
12
17
22
35
9
17
60
76

Medium Clouds (% Sky Obscured)

100
100
99
100
99
99
99
89
79
68
72
71
64
4
4
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
80
63
45
27
55
27
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
3
9
3
4
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

36
62
70
76
73
75
95
95
95
95
95
69
53
36
30
2
0
0
0
2
0
0
5
16

Precipitation Amount (mm)

0
0.2
0.2
0.2
0.2
0.3
1
1.1
0.8
0.6
1.2
0.4
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
16
17
16
18
18
19
21
22
20
20
21
22
24
24
24
22
21
22
23
23
24
25
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
80
75
81
89
90
92
93
93
95
96
95
93
93
88
80
78
75
77
75
68
68
69
66

Pressure (mb)

1009
1007
1005
1003
1001
1000
998
996
995
995
994
994
994
994
995
996
998
998
999
1000
1001
1002
1003
1004

Ozone (du)

301
299
297
295
293
291
288
288
286
284
283
283
281
284
283
285
286
290
297
301
305
300
300
301

Sunday 25

Waxing Gibbous 100%

16:07

07:23

12 OK
13 Bad
14 OK
15 OK
16 Good
17 Good
18 OK
19 OK
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

Sun - Rise: 06:51, Set: 16:52, Transit: 11:51. Moon - Rise: 16:07, Set: 07:23. Civil Dark: 17:27 - 06:16. Nautical Dark: 18:06 - 05:37. Astro Dark: 18:44 - 04:58

Total Clouds (% Sky Obscured)

27
44
19
15
8
2
33
43
49
69
85
100
100
100
100
100
100
100
99
99
99
99
99
100

Low Clouds (% Sky Obscured)

23
44
14
12
7
2
4
4
5
9
11
14
21
33
42
57
73
88
86
84
83
88
94
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
7
13
20
20
20
20
29
38
47
60
76
91
89
90
88
84
79
70

High Clouds (% Sky Obscured)

0
0
0
0
0
0
27
35
42
57
76
95
97
98
100
99
99
98
77
54
32
33
34
45

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

4
16
12
0
0
0
0
0
0
1
2
11
57
82
95
95
91
55
34
35
46
62
69
70

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

25
25
23
23
19
17
15
14
14
14
14
14
14
12
11
11
11
12
13
14
14
14
17
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
4
4
3
3
3
3
3
3
3
3
3
3
3
4
4
5
5
8
8
8
8
8

Dew Point (°C)

5
5
4
4
3
2
2
3
3
2
3
3
3
4
4
5
6
7
8
9
10
11
11
11

Relative Humidity (%)

67
64
63
62
63
63
65
68
68
68
68
67
65
70
74
79
80
80
81
84
90
95
93
93

Pressure (mb)

1005
1006
1007
1008
1009
1010
1011
1011
1012
1012
1012
1011
1011
1010
1009
1007
1007
1007
1006
1006
1006
1005
1004
1004

Ozone (du)

300
297
289
288
288
288
284
282
279
277
276
274
273
271
270
268
267
265
264
262
261
259
258
257

Monday 26

Full Moon 99%

16:27

08:54

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:52, Set: 16:50, Transit: 11:50. Moon - Rise: 16:27, Set: 08:54. Civil Dark: 17:25 - 06:18. Nautical Dark: 18:04 - 05:39. Astro Dark: 18:43 - 05:00

Total Clouds (% Sky Obscured)

100
100
100
95
89
80
74
70
63
63
63
65
65
68
68
68
70
70
75
78
81
71
62
54

Low Clouds (% Sky Obscured)

99
97
96
93
89
80
74
70
63
63
63
65
65
68
68
68
70
70
75
78
81
68
51
34

Medium Clouds (% Sky Obscured)

72
73
73
47
24
0
0
0
0
0
0
0
0
0
0
16
35
52
37
22
7
6
4
4

High Clouds (% Sky Obscured)

45
45
45
23
12
0
0
0
0
0
0
0
0
0
0
1
1
2
3
4
5
4
2
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

71
70
61
53
37
18
14
14
12
17
21
26
31
27
30
62
85
95
77
51
16
17
19
23

Precipitation Amount (mm)

0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.7
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

22
20
19
19
19
18
18
18
19
20
20
21
21
22
22
22
20
20
19
19
18
18
19
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
95
95
95
92
89
86
87
90
90
90
90
87
89
89
87
86
84
83
80
80
80
77
76

Pressure (mb)

1003
1002
1001
1000
1001
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1004
1005
1006
1007
1007
1007

Ozone (du)

256
257
258
259
261
263
265
267
269
272
271
271
271
272
272
273
278
282
287
294
300
306
308
309

Tuesday 27

Waning Gibbous 95%

16:53

10:22

Sun - Rise: 06:54, Set: 16:48, Transit: 11:50. Moon - Rise: 16:53, Set: 10:22. Civil Dark: 17:23 - 06:20. Nautical Dark: 18:02 - 05:40. Astro Dark: 18:41 - 05:02

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

Generated: 21/10/26 12:34:38. Forecast: 21/10/26 to 27/10/26. Timezone: UTC+1.00