Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waning Gibbous 84%

23:11

08:39

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

Sun - Rise: 05:15, Set: 21:13, Transit: 13:13. Moon - Rise: 23:11, Set: 08:39. Civil Dark: 21:56 - 04:32. Nautical Dark: 22:57 - 03:31. Astro Dark: N/A - 01:27

Total Clouds (% Sky Obscured)

38
33
48
66
85
47
28
34
51
32
34
25
45
77
92
78
56
21
6
94
95
87
36
96

Low Clouds (% Sky Obscured)

29
31
35
56
84
47
28
33
47
26
31
21
44
77
64
27
19
16
6
6
11
16
23
35

Medium Clouds (% Sky Obscured)

13
4
0
13
8
5
0
8
34
18
10
10
8
2
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

9
3
21
21
5
0
0
0
0
0
0
0
0
0
74
70
46
6
0
93
95
84
17
95

ISS Passover

Visibility (miles)

6
7
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0.02
0.02
0.02
0.02
0.03
0.03
0.04
0.03
0.03
0.02
0.02
0.01
0.01
0
0
0
0
0
0.01
0.01
0
0

Wind Speed/Direction (mph)

10
12
15
18
19
19
20
19
19
18
17
15
13
12
10
9
9
8
8
7
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
82
77
71
65
62
60
61
61
62
62
64
67
71
74
78
82
85
87
88
89
89
90
88

Pressure (mb)

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

Ozone (du)

376
379
379
376
371
367
365
365
364
361
358
356
357
360
362
362
362
361
357
351
346
342
339
336

Sunday 21

Waning Gibbous 77%

23:31

09:45

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 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:16, Set: 21:11, Transit: 13:13. Moon - Rise: 23:31, Set: 09:45. Civil Dark: 21:54 - 04:33. Nautical Dark: 22:55 - 03:33. Astro Dark: 00:59 - 01:41

Total Clouds (% Sky Obscured)

95
96
82
100
100
100
100
100
95
100
100
100
38
87
87
94
100
100
99
99
98
99
98
63

Low Clouds (% Sky Obscured)

45
84
71
100
100
99
87
63
77
41
98
56
11
2
7
1
1
2
6
12
13
31
74
56

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
0
1
0
0
0
0
0
2
0

High Clouds (% Sky Obscured)

90
74
38
82
85
95
99
99
75
100
100
100
30
87
86
94
100
100
99
99
98
99
91
16

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
1
1
1
2
2
3
2
1
1
0
0
0
0
0
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.01
0.01
0
0
0
0
0
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
13
13
13
13
13
13
13
13
14
14
14
14
13
13
13
13
14
14
14
14
14
14
14

Relative Humidity (%)

81
72
65
59
55
52
50
49
48
50
52
56
61
67
71
74
78
81
83
83
84
84
85
84

Pressure (mb)

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

Ozone (du)

335
336
336
337
337
337
335
332
329
327
325
323
322
322
321
320
318
317
316
314
314
313
313
313

Monday 22

Waning Gibbous 68%

23:48

10:51

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

Sun - Rise: 05:18, Set: 21:10, Transit: 13:13. Moon - Rise: 23:48, Set: 10:51. Civil Dark: 21:53 - 04:35. Nautical Dark: 22:53 - 03:35. Astro Dark: 00:45 - 01:50

Total Clouds (% Sky Obscured)

60
80
95
89
91
63
61
57
41
2
0
0
0
0
0
0
0
0
0
0
0
0
0
91

Low Clouds (% Sky Obscured)

42
79
95
84
84
23
9
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
91

Medium Clouds (% Sky Obscured)

0
2
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)

31
6
19
27
45
52
56
57
41
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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)

12
12
12
12
12
12
11
11
10
10
9
8
7
5
4
4
4
4
3
2
2
3
5
6

Chance of Frost

Temperature (°C)

18
20
22
23
25
26
27
28
29
28
28
27
25
23
21
20
19
18
17
16
15
15
16
17

Feels Like (°C)

18
20
22
23
25
26
28
29
29
29
29
28
25
23
21
20
19
18
17
16
15
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

79
72
66
62
58
55
52
50
49
49
50
53
58
64
69
73
77
80
83
86
87
85
82
76

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018

Ozone (du)

312
311
311
311
312
312
312
312
313
314
316
318
321
325
327
327
325
324
323
322
322
321
320
319

Tuesday 23

Waning Gibbous 58%

00:06

11:57

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

Sun - Rise: 05:19, Set: 21:09, Transit: 13:13. Moon - Rise: 00:06, Set: 11:57. Civil Dark: 21:51 - 04:37. Nautical Dark: 22:51 - 03:38. Astro Dark: 00:36 - 01:58

Total Clouds (% Sky Obscured)

91
91
91
91
91
0
0
0
0
0
0
5
5
5
5
5
5
6
6
6
6
6
6
25

Low Clouds (% Sky Obscured)

91
91
91
91
91
0
0
0
0
0
0
0
0
0
0
0
0
6
6
6
6
6
6
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
6
6
6
6
6
6
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
4
4
4
4
4
4
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
8
6
8
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
3
8
12
19
22
23
22
18
12
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.01
0.03
0.1
0.19
0.27
0.35
0.34
0.18
0.03
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
23
26
28
30
31
32
32
31
31
31
30
29
27
25
24
23
23
22
21
20
20
19
19

Feels Like (°C)

19
23
26
28
30
31
32
32
31
31
31
30
29
27
25
24
23
23
22
21
20
20
19
19

Dew Point (°C)

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

Relative Humidity (%)

68
59
51
45
41
38
37
36
36
38
40
42
46
52
56
60
65
69
73
77
81
84
87
86

Pressure (mb)

1017
1017
1016
1016
1016
1015
1015
1014
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012

Ozone (du)

318
318
318
318
318
318
318
317
317
315
313
311
309
306
304
305
306
307
306
305
305
307
310
312

Wednesday 24

Waning Gibbous 48%

00:25

13:03

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

Sun - Rise: 05:20, Set: 21:07, Transit: 13:13. Moon - Rise: 00:25, Set: 13:03. Civil Dark: 21:50 - 04:38. Nautical Dark: 22:49 - 03:40. Astro Dark: 00:28 - 02:05

Total Clouds (% Sky Obscured)

25
25
25
25
25
46
46
46
46
46
46
81
81
81
81
81
81
0
0
0
0
0
0
64

Low 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
0
0

Medium Clouds (% Sky Obscured)

25
25
25
25
25
0
0
0
0
0
0
2
2
2
2
2
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
46
46
46
46
46
46
80
80
80
80
80
80
0
0
0
0
0
0
64

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
7
9
10
10

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
4
6
9
10
10
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.01
0.01
0
0
0
0
0
0
0
0
0.02
0.09
0.16
0.15
0.22
0.34

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
23
25
26
28
29
29
29
29
28
27
25
23
22
21
21
20
20
19
19
19
19
19

Feels Like (°C)

20
21
23
25
26
28
29
29
29
29
28
28
25
23
22
21
21
20
20
19
19
19
19
19

Dew Point (°C)

16
17
17
17
17
17
16
16
16
17
17
17
17
17
16
16
16
16
16
16
16
16
16
16

Relative Humidity (%)

82
76
69
62
56
51
47
46
46
48
52
55
60
66
71
74
76
78
79
80
81
82
82
81

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1012
1012
1012
1011
1011
1010
1010
1009
1009
1009
1009

Ozone (du)

311
308
307
307
309
309
307
305
302
300
298
297
298
298
298
297
295
293
292
291
291
291
292
292

Thursday 25

Third Quarter 38%

00:45

14:12

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:22, Set: 21:06, Transit: 13:13. Moon - Rise: 00:45, Set: 14:12. Civil Dark: 21:48 - 04:40. Nautical Dark: 22:47 - 03:42. Astro Dark: 00:22 - 02:11

Total Clouds (% Sky Obscured)

64
64
64
64
64
95
95
95
95
95
95
93
93
93
93
93
93
63
63
63
63
63
63
100

Low 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
0
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
70
70
70
70
70
70
19
19
19
19
19
19
0
0
0
0
0
0
95

High Clouds (% Sky Obscured)

64
64
64
64
64
91
91
91
91
91
91
91
91
91
91
91
91
63
63
63
63
63
63
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

10
10
8
5
3
2
0
0
0
8
17
21
19
10
8
0
6
5
3
0
0
0
0
0

Precipitation Amount (mm)

0.33
0.25
0.17
0.1
0.03
0.01
0
0
0
0.05
0.21
0.33
0.21
0.06
0.01
0
0.01
0.01
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
23
24
25
26
26
26
25
24
23
22
21
19
18
18
17
17
16
16
16
16
16
16

Feels Like (°C)

20
22
23
24
26
27
27
26
25
24
23
22
21
19
18
18
17
17
16
16
16
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

79
77
74
68
61
56
56
59
62
66
71
75
76
78
78
79
80
81
82
84
85
84
83
80

Pressure (mb)

1009
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1008
1009
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011

Ozone (du)

292
292
291
291
291
291
291
291
291
291
292
292
292
293
294
295
296
297
298
300
302
304
308
311

Friday 26

Waning Crescent 38%

01:10

15:22

08 Bad
09 Bad
10 Bad
11 Bad
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 OK
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good

Sun - Rise: 05:23, Set: 21:05, Transit: 13:13. Moon - Rise: 01:10, Set: 15:22. Civil Dark: 21:46 - 04:42. Nautical Dark: 22:44 - 03:44. Astro Dark: 00:16 - 02:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
40
40
40
40
40
40
6
6
6
6
6
6
6

Low Clouds (% Sky Obscured)

10
10
10
10
10
12
12
12
12
12
12
27
27
27
27
27
27
4
4
4
4
4
4
6

Medium Clouds (% Sky Obscured)

95
95
95
95
95
95
95
95
95
95
95
5
5
5
5
5
5
4
4
4
4
4
4
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
26
26
26
26
26
26
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Amount (mm)

0
0.01
0.02
0.02
0.02
0.02
0.01
0.01
0
0.01
0.02
0.03
0.03
0.02
0.02
0.01
0.01
0.01
0
0
0
0
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
13
12
12
12
13
13
13
13
13
13
12
12
12
12
12
12
12
12
12

Relative Humidity (%)

75
70
65
61
57
53
52
51
52
54
58
61
65
70
74
78
81
84
86
89
91
92
92
88

Pressure (mb)

1011
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015

Ozone (du)

314
316
319
321
324
327
332
337
340
341
340
340
340
341
342
343
344
345
344
343
341
341
340
338

Forecast for Swindon, Wiltshire, UK (51.56,-1.78)

Generated: 20/07/19 08:20:19. Forecast: 20/07/19 to 26/07/19. Timezone: UTC+1.00