Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waning Gibbous 84%

23:31

09:45

00 Bad
01 Bad
02 OK
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 Good
23 Bad

Sun - Rise: 05:15, Set: 21:11, Transit: 13:13. Moon - Rise: 23:31, Set: 09:45. Civil Dark: 21:54 - 04:32. Nautical Dark: 22:55 - 03:31. Astro Dark: N/A - 01:27

Total Clouds (% Sky Obscured)

89
62
20
41
98
60
81
93
92
59
95
98
100
100
99
100
100
100
100
100
94
48
13
100

Low Clouds (% Sky Obscured)

18
8
11
14
73
57
41
27
46
48
47
81
97
96
88
100
94
76
2
1
0
0
1
1

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

87
59
11
36
95
6
69
91
89
41
91
91
93
97
96
96
100
100
100
100
94
47
13
100

ISS Passover

Visibility (miles)

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

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

Precipitation Amount (mm)

0
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0.01
0.01
0
0
0.03
0.03
0.03
0.03
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
13
12
12
12
12
13
15
17
19
20
22
22
22
23
24
24
24
23
21
20
19
18

Feels Like (°C)

14
13
13
12
12
12
12
13
15
17
19
20
22
22
22
23
24
24
24
23
21
20
19
18

Dew Point (°C)

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

Relative Humidity (%)

80
83
86
88
89
90
90
87
81
80
72
63
56
54
58
56
53
52
53
56
60
65
68
71

Pressure (mb)

1016
1017
1017
1017
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021

Ozone (du)

361
358
353
347
343
339
337
336
335
337
336
339
342
344
341
338
335
332
329
326
325
325
325
322

Monday 22

Waning Gibbous 77%

23:48

10:51

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

Sun - Rise: 05:16, Set: 21:10, Transit: 13:13. Moon - Rise: 23:48, Set: 10:51. Civil Dark: 21:53 - 04:33. Nautical Dark: 22:53 - 03:33. Astro Dark: 00:59 - 01:41

Total Clouds (% Sky Obscured)

87
81
93
95
95
98
99
100
98
94
81
98
74
74
31
92
57
0
3
4
0
0
1
0

Low Clouds (% Sky Obscured)

1
1
13
30
44
80
92
98
84
82
79
98
74
74
28
92
57
0
3
4
0
0
1
0

Medium 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

High Clouds (% Sky Obscured)

87
81
91
93
91
94
95
94
85
63
10
0
0
0
5
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
3
0
0
0
0
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
17
17
18
18
18
18
19
21
23
24
26
27
28
29
29
29
29
28
26
23
21
20

Feels Like (°C)

17
17
17
17
18
18
18
18
20
21
23
24
26
28
28
29
29
30
29
28
26
23
22
20

Dew Point (°C)

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

Relative Humidity (%)

75
78
80
81
82
83
84
83
80
74
69
65
60
56
53
51
50
50
51
54
59
65
71
75

Pressure (mb)

1021
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1021
1021
1021

Ozone (du)

319
316
314
312
311
311
311
311
310
309
309
308
308
308
308
308
308
309
309
311
313
316
319
322

Tuesday 23

Waning Gibbous 68%

00:06

11:57

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

Sun - Rise: 05:18, Set: 21:09, Transit: 13:13. Moon - Rise: 00:06, Set: 11:57. Civil Dark: 21:51 - 04:35. Nautical Dark: 22:51 - 03:35. Astro Dark: 00:45 - 01:50

Total Clouds (% Sky Obscured)

1
1
2
22
92
100
100
100
63
7
19
34
0
0
0
0
0
0
1
0
0
6
63
99

Low Clouds (% Sky Obscured)

1
1
2
22
92
100
100
100
63
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
59
28

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
19
34
0
0
0
0
0
0
1
0
0
2
21
98

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
100
100
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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
18
34
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.14
0.77
1.31
0.97

Wind Speed/Direction (mph)

4
4
3
3
3
3
3
4
5
7
9
10
12
13
14
15
16
15
14
13
14
15
15
13

Chance of Frost

Temperature (°C)

19
18
17
16
16
16
16
17
19
22
25
28
30
31
32
32
32
32
31
30
28
26
24
23

Feels Like (°C)

19
18
17
16
16
16
16
17
19
22
25
28
30
31
32
32
32
32
31
30
29
26
24
23

Dew Point (°C)

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

Relative Humidity (%)

79
82
85
88
90
92
93
89
76
61
51
45
42
39
37
36
36
37
38
41
48
59
69
74

Pressure (mb)

1021
1021
1021
1020
1020
1020
1019
1019
1019
1018
1018
1017
1017
1016
1016
1015
1014
1013
1012
1012
1012
1012
1013
1012

Ozone (du)

326
327
326
324
321
320
319
318
319
319
320
320
319
318
317
317
316
316
317
317
316
314
313
311

Wednesday 24

Waning Gibbous 58%

00:06

13:03

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

Sun - Rise: 05:19, Set: 21:07, Transit: 13:13. Moon - Rise: 00:06, Set: 13:03. Civil Dark: 21:50 - 04:37. Nautical Dark: 22:49 - 03:38. Astro Dark: 00:36 - 01:58

Total Clouds (% Sky Obscured)

100
94
85
98
100
92
64
20
20
20
20
20
20
100
100
100
100
100
100
29
29
29
29
29

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
11
11
11
11
11
11
0
0
0
0
0

Medium Clouds (% Sky Obscured)

66
6
66
20
8
31
37
20
20
20
20
20
20
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
93
64
98
100
91
49
0
0
0
0
0
0
100
100
100
100
100
100
29
29
29
29
29

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

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
None
None
None

Precipitation Probability (%)

31
28
25
18
0
0
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.51
0.38
0.2
0.04
0
0
0.03
0.04
0.03
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
21
21
20
20
19
19
19
20
22
24
25
27
28
30
30
30
30
30
29
27
24
23
22

Feels Like (°C)

22
22
21
20
20
19
19
19
20
22
24
25
27
28
30
30
30
30
30
29
27
25
23
22

Dew Point (°C)

18
17
17
17
17
17
17
17
17
17
17
17
16
16
16
16
16
16
16
16
16
16
16
15

Relative Humidity (%)

76
78
80
81
84
86
89
88
83
77
68
60
53
47
43
41
41
42
43
46
52
59
64
66

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

309
308
307
308
308
308
308
309
309
309
310
309
308
307
307
306
305
303
301
300
299
298
297
296

Thursday 25

Third Quarter 48%

00:25

14:12

00 OK
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
23 Bad

Sun - Rise: 05:20, Set: 21:06, Transit: 13:13. Moon - Rise: 00:25, Set: 14:12. Civil Dark: 21:48 - 04:38. Nautical Dark: 22:47 - 03:40. Astro Dark: 00:28 - 02:05

Total Clouds (% Sky Obscured)

29
98
98
98
98
98
98
91
91
91
91
91
91
83
83
83
83
83
83
76
76
76
76
76

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)

0
0
0
0
0
0
0
0
0
0
0
0
0
23
23
23
23
23
23
0
0
0
0
0

High Clouds (% Sky Obscured)

29
98
98
98
98
98
98
91
91
91
91
91
91
78
78
78
78
78
78
76
76
76
76
76

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

Precipitation Probability (%)

0
0
3
4
6
7
8
11
13
11
7
10
14
12
4
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.01
0.06
0.1
0.07
0.02
0.02
0.08
0.25
0.38
0.28
0.15
0.1
0.05
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
6
7
8
9
10
12
13
14
14
14
14
14
15
17
17
18
17
17
16
15
13
13

Chance of Frost

Temperature (°C)

21
21
20
19
19
19
20
21
22
23
24
24
23
23
24
25
25
25
24
23
22
20
19
19

Feels Like (°C)

21
21
20
19
19
19
20
21
22
23
24
24
23
23
24
25
25
25
24
23
22
20
19
19

Dew Point (°C)

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

Relative Humidity (%)

67
68
72
76
79
79
78
75
73
71
69
70
72
71
66
61
58
55
54
53
55
61
64
67

Pressure (mb)

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

Ozone (du)

295
295
294
294
293
293
292
292
292
292
292
292
293
293
293
294
294
295
296
296
298
299
300
300

Friday 26

Waning Crescent 38%

00:45

15:22

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

Sun - Rise: 05:22, Set: 21:05, Transit: 13:13. Moon - Rise: 00:45, Set: 15:22. Civil Dark: 21:46 - 04:40. Nautical Dark: 22:44 - 03:42. Astro Dark: 00:22 - 02:11

Total Clouds (% Sky Obscured)

76
0
0
0
0
0
0
67
67
67
67
67
67
43
43
43
43
43
43
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
27
27
27
27
27
27
0
0
0
0
0
0
20
20
20
20
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
31
31
31
31
31
31
16
16
16
16
16
16
55
55
55
55
55

High Clouds (% Sky Obscured)

76
0
0
0
0
0
0
47
47
47
47
47
47
34
34
34
34
34
34
100
100
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
9
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
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

Precipitation Probability (%)

0
1
0
0
0
0
0
0
6
9
12
10
8
5
2
1
1
1
1
1
1
0
0
0

Precipitation Amount (mm)

0
0.01
0
0
0
0
0
0
0.02
0.08
0.14
0.15
0.12
0.09
0.06
0.03
0.01
0.01
0.01
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
12
11
11
11
11

Relative Humidity (%)

69
71
73
75
77
79
80
79
75
70
66
60
55
52
48
45
44
46
50
54
57
63
67
70

Pressure (mb)

1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018

Ozone (du)

299
299
300
302
305
309
314
318
321
324
327
331
336
339
341
342
341
341
340
339
338
337
337
339

Saturday 27

Waning Crescent 28%

01:10

16:35

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

Sun - Rise: 05:23, Set: 21:03, Transit: 13:13. Moon - Rise: 01:10, Set: 16:35. Civil Dark: 21:45 - 04:42. Nautical Dark: 22:42 - 03:44. Astro Dark: 00:16 - 02:16

Total Clouds (% Sky Obscured)

100
15
15
15
15
15
15
2
2
2
2
2
2
91
91
91
91
91
91
42
42
42
42
42

Low Clouds (% Sky Obscured)

20
14
14
14
14
14
14
2
2
2
2
2
2
91
91
91
91
91
91
40
40
40
40
40

Medium Clouds (% Sky Obscured)

55
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
10
10
10
10
10

High Clouds (% Sky Obscured)

100
0
0
0
0
0
0
0
0
0
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
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
3
4
0
0
0
0
0
3
3
5
6
6
5
5
5
4
4
6

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0.01
0
0
0
0
0
0.01
0.02
0.06
0.09
0.06
0.03
0.02
0.01
0.01
0.01
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
10
10
10
11
11
11
11
11
11
11
11
11
11
12
12
12
12
12
12
12
12
12

Relative Humidity (%)

74
77
81
85
89
91
89
84
76
67
59
55
51
49
49
53
56
58
57
57
60
66
72
77

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

341
341
339
335
332
331
331
331
329
328
327
326
326
325
325
325
324
324
323
322
322
323
323
324

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

Generated: 21/07/19 14:20:35. Forecast: 21/07/19 to 27/07/19. Timezone: UTC+1.00