Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 22

Waning Gibbous 82%

00:35

08:48

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 Good
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:01, Set: 20:58, Transit: 13:00. Moon - Rise: 00:35, Set: 08:48. Civil Dark: 21:42 - 04:17. Nautical Dark: 22:42 - 03:16. Astro Dark: 00:45 - N/A

Total Clouds (% Sky Obscured)

85
94
93
92
94
89
52
78
53
65
59
81
91
74
62
59
6
87
98
95
98
98
95
98

Low Clouds (% Sky Obscured)

30
25
4
1
10
23
16
14
9
0
9
2
2
0
0
0
0
0
0
1
0
0
0
3

Medium Clouds (% Sky Obscured)

25
58
37
73
92
47
27
65
51
34
8
8
5
1
1
0
0
0
0
6
37
52
38
59

High Clouds (% Sky Obscured)

77
87
90
88
37
77
27
38
6
52
52
80
91
74
62
59
6
87
98
95
98
98
95
98

ISS Passover

Visibility (miles)

6
6
7
10
10
10
10
9
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
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
2
2
2
2
2
2
1
1
1
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.01
0.02
0.04
0.07
0.08
0.09
0.08
0.06
0.03
0.02
0.01
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
18
19
19
20
20
20
21
22
21
19
17
15
14
13
12
11
10
9
10
10
11
13

Feels Like (°C)

15
16
18
19
19
20
20
20
21
22
21
19
17
15
14
13
12
11
9
8
9
9
11
13

Dew Point (°C)

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

Relative Humidity (%)

54
51
49
48
49
49
48
47
45
44
46
48
51
54
57
59
61
64
66
68
70
71
70
65

Pressure (mb)

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

Ozone (du)

345
345
344
344
343
343
342
341
341
340
340
340
340
340
340
339
339
339
340
341
341
342
343
344

Thursday 23

Waning Gibbous 73%

01:16

No Set

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 Good
00 Good
01 Good
02 Good
03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 04:59, Set: 21:00, Transit: 13:00. Moon - Rise: 01:16, Set: No Set. Civil Dark: 21:43 - 04:16. Nautical Dark: 22:45 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
98
98
93
61
96
94
90
99
96
98
98
82
63
16
3
2
17
23
45
88
89
74
72

Low Clouds (% Sky Obscured)

6
7
26
15
10
73
41
0
0
0
2
11
23
20
15
3
0
0
0
0
0
3
14
23

Medium Clouds (% Sky Obscured)

29
0
1
1
42
94
94
90
98
73
69
57
19
12
2
1
2
17
23
45
88
88
72
68

High Clouds (% Sky Obscured)

98
98
98
91
52
50
0
2
66
88
95
96
77
50
1
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)

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

Chance of Frost

Temperature (°C)

15
17
18
20
20
21
22
22
22
22
21
19
18
16
15
14
13
12
11
10
10
10
11
12

Feels Like (°C)

15
17
18
20
20
21
22
22
22
22
21
19
18
16
15
14
13
12
11
10
8
8
11
12

Dew Point (°C)

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

Relative Humidity (%)

59
54
49
46
44
41
39
39
40
41
44
46
49
51
53
56
58
61
64
67
71
73
72
67

Pressure (mb)

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

Ozone (du)

344
344
343
341
340
339
339
338
337
336
335
335
336
337
338
340
342
343
344
345
346
348
349
351

Friday 24

Waning Gibbous 64%

01:48

09:49

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

Sun - Rise: 04:58, Set: 21:01, Transit: 13:00. Moon - Rise: 01:48, Set: 09:49. Civil Dark: 21:45 - 04:15. Nautical Dark: 22:47 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

52
38
32
47
95
97
85
97
76
58
90
98
80
70
89
73
93
52
38
64
70
48
83
83

Low Clouds (% Sky Obscured)

32
37
31
46
95
97
33
84
9
23
19
3
6
16
16
45
23
21
22
8
10
34
61
61

Medium Clouds (% Sky Obscured)

41
3
10
5
73
95
85
96
74
53
90
98
80
70
88
66
92
46
25
56
61
39
79
79

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
48
41
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
9
8
5
2
2
5
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
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
0
6
19
38
43
43
35
15
4
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.07
0.28
0.5
0.53
0.46
0.35
0.18
0.04
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
17
19
20
21
22
23
23
23
22
20
19
17
16
15
14
13
12
11
10
10
10
11
13

Feels Like (°C)

15
17
19
20
21
22
23
23
23
22
20
19
17
16
15
14
13
12
11
10
8
10
11
13

Dew Point (°C)

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

Relative Humidity (%)

61
56
51
48
46
43
42
43
46
52
59
65
73
77
75
71
69
71
75
78
81
81
79
73

Pressure (mb)

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

Ozone (du)

352
352
352
351
350
348
345
344
344
346
346
344
342
340
344
349
352
352
350
347
342
337
333
329

Saturday 25

Waning Gibbous 54%

02:15

10:53

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 Good
08 Good

Sun - Rise: 04:57, Set: 21:02, Transit: 13:00. Moon - Rise: 02:15, Set: 10:53. Civil Dark: 21:46 - 04:13. Nautical Dark: 22:49 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

83
83
83
83
58
58
58
58
58
58
98
98
98
98
98
98
90
90
90
90
90
90
2
2

Low Clouds (% Sky Obscured)

61
61
61
61
58
58
58
58
58
58
2
2
2
2
2
2
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

79
79
79
79
0
0
0
0
0
0
0
0
0
0
0
0
67
67
67
67
67
67
2
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
98
98
98
98
98
98
73
73
73
73
73
73
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
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
59
54
50
49
48
48
49
49
50
50
51
55
59
62
65
68
72
77
82
85
87
85
80

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

325
322
320
318
316
313
311
309
308
307
307
307
308
309
310
311
312
311
311
310
309
307
306
308

Sunday 26

Third Quarter 45%

02:38

11:58

09 Good
10 Good
11 Good
12 Good
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 OK
08 OK

Sun - Rise: 04:56, Set: 21:04, Transit: 13:00. Moon - Rise: 02:38, Set: 11:58. Civil Dark: 21:48 - 04:12. Nautical Dark: 22:51 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

2
2
2
2
93
93
93
93
93
93
96
96
96
96
96
96
100
100
100
100
100
100
33
33

Low Clouds (% Sky Obscured)

0
0
0
0
92
92
92
92
92
92
68
68
68
68
68
68
100
100
100
100
100
100
6
6

Medium Clouds (% Sky Obscured)

2
2
2
2
74
74
74
74
74
74
88
88
88
88
88
88
98
98
98
98
98
98
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
68
68
68
68
68
68
0
0
0
0
0
0
28
28

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

Precipitation Probability (%)

0
0
2
2
2
2
2
2
3
7
8
5
3
2
2
1
1
1
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.01
0.02
0.04
0.03
0.02
0.01
0.03
0.07
0.1
0.09
0.07
0.06
0.06
0.05
0.04
0.02
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
19
20
21
21
22
23
24
23
22
22
21
19
18
16
15
13
13
12
12
11
12
12
13

Feels Like (°C)

17
19
20
21
21
22
23
24
23
22
22
21
19
18
16
15
13
13
12
12
11
12
12
13

Dew Point (°C)

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

Relative Humidity (%)

72
66
63
61
60
56
54
52
53
56
58
61
67
72
75
78
81
83
85
86
88
87
84
78

Pressure (mb)

1017
1017
1017
1016
1016
1015
1015
1015
1014
1014
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

311
313
313
313
315
320
328
334
338
340
341
341
339
338
335
331
329
328
328
328
329
330
331
332

Monday 27

Waning Crescent 35%

02:58

13:04

09 OK
10 OK
11 OK
12 OK
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 OK
08 OK

Sun - Rise: 04:55, Set: 21:05, Transit: 13:01. Moon - Rise: 02:58, Set: 13:04. Civil Dark: 21:49 - 04:11. Nautical Dark: 22:53 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

33
33
33
33
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
20
20

Low Clouds (% Sky Obscured)

6
6
6
6
95
95
95
95
95
95
99
99
99
99
99
99
17
17
17
17
17
17
5
5

Medium Clouds (% Sky Obscured)

1
1
1
1
35
35
35
35
35
35
100
100
100
100
100
100
96
96
96
96
96
96
20
20

High Clouds (% Sky Obscured)

28
28
28
28
81
81
81
81
81
81
95
95
95
95
95
95
99
99
99
99
99
99
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
6
3
3
5
7
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
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
0
0
2
2
0
0
0
0

Precipitation Amount (mm)

0
0.01
0.02
0.05
0.07
0.08
0.07
0.06
0.07
0.07
0.07
0.05
0.04
0.03
0.02
0.01
0
0
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
17
18
19
19
19
18
17
17
16
16
15
13
12
12
11
11
10
7
7
10
11
12

Dew Point (°C)

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

Relative Humidity (%)

71
64
58
53
49
46
44
45
48
51
55
57
62
67
70
71
72
74
77
78
77
74
71
67

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

333
333
333
332
332
332
332
332
332
332
333
333
334
336
341
347
351
352
351
350
351
353
354
351

Tuesday 28

Waning Crescent 33%

03:16

14:10

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

Sun - Rise: 04:54, Set: 21:06, Transit: 13:01. Moon - Rise: 03:16, Set: 14:10. Civil Dark: 21:51 - 04:10. Nautical Dark: 22:55 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

20
20
20
20
95
95
95
95
95
95
100
100
100
100
100
100
6
6
6
6
6
6
43
43

Low Clouds (% Sky Obscured)

5
5
5
5
23
23
23
23
23
23
56
56
56
56
56
56
4
4
4
4
4
4
5
5

Medium Clouds (% Sky Obscured)

20
20
20
20
40
40
40
40
40
40
97
97
97
97
97
97
5
5
5
5
5
5
42
42

High Clouds (% Sky Obscured)

0
0
0
0
91
91
91
91
91
91
100
100
100
100
100
100
0
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
7
7
8
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
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
2
2
2
3
3
3
4
5
8
6
4
4
3
0
0
7
19
26
19
7
5
3

Precipitation Amount (mm)

0
0
0.01
0.03
0.06
0.06
0.05
0.04
0.05
0.07
0.07
0.05
0.03
0.02
0.01
0
0
0.02
0.07
0.13
0.11
0.05
0.02
0.01

Wind Speed/Direction (mph)

14
14
14
14
14
13
12
12
12
12
11
11
10
9
9
10
10
11
12
13
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
59
56
53
51
50
52
54
57
58
59
59
60
62
64
66
69
72
76
79
79
78
76
73

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012

Ozone (du)

348
345
343
341
340
338
336
334
332
330
328
327
326
326
326
326
327
326
325
325
326
328
328
327

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

Generated: 22/05/19 09:45:00. Forecast: 22/05/19 to 28/05/19. Timezone: UTC+1.00