Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waning Gibbous 77%

23:27

10:48

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Good
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: 05:13, Set: 21:08, Transit: 13:10. Moon - Rise: 23:27, Set: 10:48. Civil Dark: 21:51 - 04:31. Nautical Dark: 22:51 - 03:31. Astro Dark: 00:47 - 01:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
5
66
99
81
93
98
99
93
98
98
99
99
96
91
96

Low Clouds (% Sky Obscured)

100
99
80
100
57
98
2
0
0
0
2
3
5
31
77
82
57
59
78
90
95
89
89
96

Medium Clouds (% Sky Obscured)

9
1
0
0
1
0
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

92
99
98
99
100
100
100
100
100
5
66
99
80
90
94
95
90
94
94
94
85
69
21
1

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
51
49
48
48
49
51
55
60
64
69
75
79
82
83
83
83
84
84
81
76
71
66
61

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022

Ozone (du)

344
342
339
336
333
330
327
326
325
324
322
319
317
315
314
313
312
311
310
309
308
308
308
308

Monday 22

Waning Gibbous 68%

23:45

11:53

13 Bad
14 Bad
15 OK
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 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 Good
11 Good
12 Good

Sun - Rise: 05:15, Set: 21:06, Transit: 13:10. Moon - Rise: 23:45, Set: 11:53. Civil Dark: 21:49 - 04:32. Nautical Dark: 22:49 - 03:33. Astro Dark: 00:37 - 01:51

Total Clouds (% Sky Obscured)

88
54
27
37
0
0
0
0
0
0
0
0
0
0
2
23
100
100
100
92
39
1
0
3

Low Clouds (% Sky Obscured)

88
53
0
0
0
0
0
0
0
0
0
0
0
0
2
23
100
100
100
92
39
1
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
0
0
0

High Clouds (% Sky Obscured)

0
2
27
37
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

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
100
100
100
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
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
13
12
12
11
10
9
7
6
5
5
4
3
3
2
2
3
3
5
7
9
10
11

Chance of Frost

Temperature (°C)

27
28
29
29
29
29
28
26
24
22
20
19
18
17
16
16
15
15
16
19
22
26
28
29

Feels Like (°C)

28
29
29
30
30
29
28
26
24
22
20
19
18
17
16
16
15
15
16
19
22
26
28
29

Dew Point (°C)

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

Relative Humidity (%)

57
53
51
50
49
49
51
56
63
69
75
80
84
87
89
91
92
93
88
75
61
51
47
44

Pressure (mb)

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

Ozone (du)

308
308
308
308
309
309
310
312
314
316
320
323
325
325
323
321
320
318
317
316
316
316
315
314

Tuesday 23

Waning Gibbous 58%

00:03

13:00

13 OK
14 OK
15 Bad
16 Bad
17 OK
18 OK
19 OK
20 OK
21 OK
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 OK
11 OK
12 OK

Sun - Rise: 05:16, Set: 21:05, Transit: 13:10. Moon - Rise: 00:03, Set: 13:00. Civil Dark: 21:47 - 04:34. Nautical Dark: 22:47 - 03:35. Astro Dark: 00:28 - 01:58

Total Clouds (% Sky Obscured)

0
0
28
31
0
0
0
2
2
45
60
99
95
53
81
95
100
75
44
44
44
44
44
44

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
2
34
54
73
52
50
31
15
20
44
38
38
38
38
38
38

High Clouds (% Sky Obscured)

0
0
28
31
0
0
0
2
2
21
14
98
92
16
77
95
100
63
20
20
20
20
20
20

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

Precipitation Probability (%)

0
0
0
0
0
0
0
4
14
17
18
24
27
20
9
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.08
0.44
0.81
0.79
0.62
0.48
0.24
0.04
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
40
38
37
37
38
39
40
41
43
51
62
71
75
76
77
81
85
86
80
72
64
56
48

Pressure (mb)

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

Ozone (du)

313
313
312
312
313
314
315
314
314
313
314
314
314
312
308
306
305
306
307
307
308
308
307
306

Wednesday 24

Waning Gibbous 48%

00:21

13:00

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

Sun - Rise: 05:18, Set: 21:04, Transit: 13:10. Moon - Rise: 00:21, Set: 13:00. Civil Dark: 21:46 - 04:36. Nautical Dark: 22:45 - 03:38. Astro Dark: 00:22 - 02:05

Total Clouds (% Sky Obscured)

69
69
69
69
69
69
31
31
31
31
31
31
48
48
48
48
48
48
95
95
95
95
95
95

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
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

69
69
69
69
69
69
31
31
31
31
31
31
48
48
48
48
48
48
95
95
95
95
95
95

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
3
3
3
3
0
0
0
3
3
4
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.02
0.03
0.02
0
0
0
0.03
0.06
0.04
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

30
31
32
32
31
31
30
27
25
23
22
21
20
19
19
19
19
20
21
23
25
26
27
26

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
40
39
39
40
42
44
49
55
60
64
69
74
75
76
74
74
75
74
68
61
56
56
56

Pressure (mb)

1012
1012
1012
1012
1012
1011
1011
1011
1012
1011
1011
1011
1010
1010
1009
1008
1008
1008
1007
1007
1007
1007
1007
1007

Ozone (du)

305
305
305
304
303
301
300
299
298
297
297
296
295
294
293
293
292
292
292
292
291
291
292
292

Thursday 25

Third Quarter 38%

00:42

14:08

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

Sun - Rise: 05:19, Set: 21:02, Transit: 13:10. Moon - Rise: 00:42, Set: 14:08. Civil Dark: 21:44 - 04:37. Nautical Dark: 22:42 - 03:40. Astro Dark: 00:15 - 02:10

Total Clouds (% Sky Obscured)

94
94
94
94
94
94
0
0
0
0
0
0
2
2
2
2
2
2
27
27
27
27
27
27

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1

Medium Clouds (% Sky Obscured)

32
32
32
32
32
32
0
0
0
0
0
0
0
0
0
0
0
0
25
25
25
25
25
25

High Clouds (% Sky Obscured)

91
91
91
91
91
91
0
0
0
0
0
0
2
2
2
2
2
2
2
2
2
2
2
2

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
Very Light Rain

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.01
0
0
0
0
0
0
0
0
0
0
0
0.01
0
0
0
0
0
0
0.01
0.01
0.01
0.02
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
57
57
57
57
56
56
56
58
59
63
67
72
74
75
77
78
79
77
72
65
60
58
56

Pressure (mb)

1008
1008
1008
1008
1008
1009
1009
1009
1010
1011
1011
1011
1012
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015

Ozone (du)

292
292
292
292
293
293
294
295
296
296
297
298
299
300
300
302
305
309
312
316
319
322
325
328

Friday 26

Waning Crescent 28%

01:07

15:19

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 Good
08 Good
09 Good
10 Good
11 Good
12 Good

Sun - Rise: 05:20, Set: 21:01, Transit: 13:10. Moon - Rise: 01:07, Set: 15:19. Civil Dark: 21:43 - 04:39. Nautical Dark: 22:40 - 03:42. Astro Dark: 00:10 - 02:16

Total Clouds (% Sky Obscured)

90
90
90
90
90
90
100
100
100
100
100
100
79
79
79
79
79
79
2
2
2
2
2
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
4
4
4
4
4
4
20
20
20
20
20
20
2
2
2
2
2
2

Medium Clouds (% Sky Obscured)

57
57
57
57
57
57
98
98
98
98
98
98
5
5
5
5
5
5
0
0
0
0
0
0

High Clouds (% Sky Obscured)

82
82
82
82
82
82
98
98
98
98
98
98
74
74
74
74
74
74
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

Very Light Rain
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 (%)

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

Precipitation Amount (mm)

0.14
0.14
0.12
0.09
0.07
0.05
0.03
0.02
0.01
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
23
24
25
25
24
23
22
20
18
17
16
15
14
13
13
13
13
14
16
18
20
21
22

Feels Like (°C)

22
23
24
25
25
24
23
22
20
18
17
16
15
14
13
13
13
13
14
16
18
20
21
22

Dew Point (°C)

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

Relative Humidity (%)

53
49
44
42
41
42
45
50
58
65
70
73
76
79
82
85
86
85
80
73
64
57
53
49

Pressure (mb)

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

Ozone (du)

331
335
340
343
343
340
338
337
337
337
338
338
339
337
335
333
331
330
328
328
327
326
325
325

Saturday 27

Waning Crescent 18%

01:37

16:31

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

Sun - Rise: 05:22, Set: 20:59, Transit: 13:10. Moon - Rise: 01:37, Set: 16:31. Civil Dark: 21:41 - 04:41. Nautical Dark: 22:38 - 03:44. Astro Dark: 00:04 - 02:21

Total Clouds (% Sky Obscured)

66
66
66
66
66
66
11
11
11
11
11
11
0
0
0
0
0
0
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
40
40
40
40
40
1
1
1
1
1
1
0
0
0
0
0
0
33
33
33
33
33
33

Medium Clouds (% Sky Obscured)

65
65
65
65
65
65
11
11
11
11
11
11
0
0
0
0
0
0
99
99
99
99
99
99

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
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
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
Very Light Rain

Precipitation Probability (%)

3
3
3
4
3
3
3
3
3
3
4
11
17
14
12
9
8
6
2
2
1
2
5
7

Precipitation Amount (mm)

0.01
0.02
0.03
0.04
0.02
0.01
0.01
0.01
0.01
0.01
0.03
0.08
0.12
0.1
0.06
0.05
0.03
0.01
0.01
0.01
0.01
0.01
0.03
0.08

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
48
50
52
52
51
51
54
61
68
73
78
81
82
82
81
82
85
85
81
76
73
71
70

Pressure (mb)

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

Ozone (du)

324
324
325
325
324
322
321
321
322
322
322
322
323
323
324
325
326
326
326
325
324
323
322
322

Forecast for Reading, Reading, UK (51.45,-0.98)

Generated: 21/07/19 13:35:25. Forecast: 21/07/19 to 27/07/19. Timezone: UTC+1.00