Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waning Gibbous 77%

23:39

10:58

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
12 Bad
13 Bad

Sun - Rise: 05:20, Set: 21:22, Transit: 13:20. Moon - Rise: 23:39, Set: 10:58. Civil Dark: 22:06 - 04:36. Nautical Dark: 23:10 - 03:33. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
83
96
99
95
100
100
100
100
100
100
100
100
100
100
100
100
96
88

Low Clouds (% Sky Obscured)

97
100
5
13
24
40
23
40
27
95
100
100
100
100
100
99
99
100
100
100
100
100
96
88

Medium Clouds (% Sky Obscured)

1
6
0
7
73
51
76
47
56
1
1
1
0
11
6
0
0
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

96
100
100
100
100
100
33
92
98
13
93
93
93
97
94
93
74
74
41
29
73
48
9
1

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

Precipitation Type

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

Precipitation Probability (%)

9
0
0
0
0
6
15
25
29
31
31
25
14
7
3
3
3
3
2
1
1
1
1
1

Precipitation Amount (mm)

0.04
0
0
0
0
0.01
0.01
0.06
0.11
0.13
0.12
0.1
0.09
0.07
0.06
0.06
0.05
0.05
0.04
0.03
0.02
0.02
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
18
17
17
17
16
16
16
16
16
16
16
17
16
16
16
16
17
17
18
19
20

Feels Like (°C)

18
18
18
18
17
17
17
16
16
16
16
16
16
17
17
17
16
16
17
17
18
18
19
20

Dew Point (°C)

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

Relative Humidity (%)

73
70
70
71
73
74
75
77
79
83
89
93
94
94
93
94
95
95
94
92
89
87
83
80

Pressure (mb)

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

Ozone (du)

343
337
332
329
327
325
324
322
321
319
318
316
315
314
314
313
313
313
312
311
310
310
310
310

Monday 22

Waning Gibbous 68%

23:56

12:04

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

Sun - Rise: 05:22, Set: 21:20, Transit: 13:20. Moon - Rise: 23:56, Set: 12:04. Civil Dark: 22:05 - 04:38. Nautical Dark: 23:08 - 03:35. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
76
67
48
34
31
45
58
97
96
99
99
98
100
100
100
100
77
39
34
4
6
17
6

Low Clouds (% Sky Obscured)

94
75
66
48
34
31
45
58
97
96
99
99
98
100
100
100
100
77
39
34
4
6
17
6

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)

2
2
2
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
100
100
100
100
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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
14
13
12
11
10
9
7
6
5
5
4
4
4
3
3
3
3
4
5
6
7
9
10

Chance of Frost

Temperature (°C)

21
21
22
22
21
21
19
18
16
16
15
14
14
13
13
13
13
14
16
19
21
22
23
25

Feels Like (°C)

21
21
22
22
21
21
19
18
16
16
15
14
14
13
13
13
13
14
16
19
21
22
24
25

Dew Point (°C)

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

Relative Humidity (%)

75
71
68
68
69
71
75
80
84
87
90
92
93
94
95
96
97
95
89
82
75
71
66
62

Pressure (mb)

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

Ozone (du)

311
311
311
311
311
312
313
316
318
322
326
328
327
325
323
323
322
322
323
324
325
325
324
323

Tuesday 23

Waning Gibbous 58%

00:13

13:12

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

Sun - Rise: 05:23, Set: 21:19, Transit: 13:20. Moon - Rise: 00:13, Set: 13:12. Civil Dark: 22:03 - 04:39. Nautical Dark: 23:05 - 03:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
24
100
100
48
100
84
100
98
95
53
52
75
75
75
75
75
75
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
10
0
0
0
0
0
0
23
17
15
16
16
16
16
16
16
41

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
6
19
83
65
73
63
71
24
48
74
74
74
74
74
74
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
24
100
100
40
100
66
100
96
81
32
3
0
0
0
0
0
0
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
9
8
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
Very Light Rain
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
7
10
23
32
37
26
16
7
4
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.01
0.04
0.16
0.44
0.67
0.56
0.32
0.16
0.06
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
55
54
55
56
59
61
64
66
70
74
79
84
89
93
96
97
96
90
84
79
77
75
72

Pressure (mb)

1015
1014
1013
1013
1012
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1012

Ozone (du)

323
322
322
321
320
318
315
310
307
306
307
308
309
312
314
314
313
313
312
310
310
311
313
313

Wednesday 24

Waning Gibbous 48%

00:31

No Set

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
12 Bad
13 Bad

Sun - Rise: 05:24, Set: 21:18, Transit: 13:20. Moon - Rise: 00:31, Set: No Set. Civil Dark: 22:01 - 04:41. Nautical Dark: 23:03 - 03:40. Astro Dark: N/A - 01:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
93
93
93
93
93
93
97
97
97
97
97
97
99
99
99
99
99
99
65

Low Clouds (% Sky Obscured)

41
41
41
41
41
2
2
2
2
2
2
2
2
2
2
2
2
5
5
5
5
5
5
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

100
100
100
100
100
93
93
93
93
93
93
97
97
97
97
97
97
99
99
99
99
99
99
65

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
0
5
11
23
24
13
5
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0
0.01
0.04
0.17
0.28
0.23
0.12
0.06

Wind Speed/Direction (mph)

10
10
9
8
7
5
5
4
4
4
3
3
4
5
7
8
9
10
11
11
11
12
14
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
15
15
16
16
16
16
16
16
15
15
15
15
15
15
14
14
14
15
15
16
16
16
16

Relative Humidity (%)

68
65
64
65
68
71
76
80
83
85
85
85
86
85
84
81
78
76
77
78
77
73
67
64

Pressure (mb)

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

Ozone (du)

311
308
306
304
302
301
300
299
298
297
297
297
297
298
298
297
296
295
294
294
294
295
296
296

Thursday 25

Third Quarter 38%

00:51

14:21

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
12 Bad
13 Bad

Sun - Rise: 05:26, Set: 21:16, Transit: 13:20. Moon - Rise: 00:51, Set: 14:21. Civil Dark: 22:00 - 04:43. Nautical Dark: 23:00 - 03:43. Astro Dark: 00:57 - 01:55

Total Clouds (% Sky Obscured)

65
65
65
65
65
54
54
54
54
54
54
100
100
100
100
100
100
100
100
100
100
100
100
85

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
1
1
1
100
100
100
100
100
100
95
95
95
95
95
95
73

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
94
94
94
94
94
94
0

High Clouds (% Sky Obscured)

65
65
65
65
65
53
53
53
53
53
53
0
0
0
0
0
0
98
98
98
98
98
98
67

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
Very Light Rain
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

Precipitation Probability (%)

2
3
3
2
0
0
0
4
7
5
5
5
5
7
10
13
15
20
23
27
25
18
6
3

Precipitation Amount (mm)

0.04
0.04
0.03
0.01
0
0
0
0.02
0.04
0.04
0.03
0.03
0.04
0.06
0.08
0.1
0.11
0.13
0.17
0.21
0.22
0.15
0.07
0.03

Wind Speed/Direction (mph)

17
18
19
19
19
19
18
16
15
14
13
12
11
11
11
12
13
14
14
14
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
60
61
63
67
70
74
80
85
87
88
90
91
92
92
91
92
91
89
86
83
78
72
66

Pressure (mb)

1004
1005
1005
1005
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1009
1009
1009
1010
1011
1012
1012
1013
1013
1013

Ozone (du)

297
297
297
298
300
301
302
303
304
306
308
311
315
320
325
329
333
335
336
335
335
338
342
344

Friday 26

Waning Crescent 28%

01:15

15:32

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

Sun - Rise: 05:27, Set: 21:15, Transit: 13:20. Moon - Rise: 01:15, Set: 15:32. Civil Dark: 21:58 - 04:45. Nautical Dark: 22:58 - 03:45. Astro Dark: 00:45 - 02:04

Total Clouds (% Sky Obscured)

85
85
85
85
85
97
97
97
97
97
97
19
19
19
19
19
19
99
99
99
99
99
99
88

Low Clouds (% Sky Obscured)

73
73
73
73
73
29
29
29
29
29
29
19
19
19
19
19
19
98
98
98
98
98
98
88

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
11
11
11
11
11
2

High Clouds (% Sky Obscured)

67
67
67
67
67
96
96
96
96
96
96
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

2
2
3
3
3
3
2
2
2
0
0
0
0
3
5
7
8
6
0
0
0
0
5
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
18
18
17
17
16
14
13
12
12
12
11
12
12
12
12
13
13
14
14
15
16
17

Feels Like (°C)

19
19
18
18
17
17
16
14
13
12
12
12
11
12
12
12
12
13
13
14
14
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

63
62
62
64
66
68
72
78
83
86
90
92
92
91
91
91
93
92
89
84
80
77
74
71

Pressure (mb)

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

Ozone (du)

343
340
338
338
338
339
338
337
337
338
340
341
339
337
335
334
333
333
331
330
328
328
327
327

Saturday 27

Waning Crescent 18%

01:45

16:45

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 Bad
23 Bad
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

Sun - Rise: 05:29, Set: 21:13, Transit: 13:20. Moon - Rise: 01:45, Set: 16:45. Civil Dark: 21:56 - 04:46. Nautical Dark: 22:56 - 03:47. Astro Dark: 00:37 - 02:11

Total Clouds (% Sky Obscured)

88
88
88
88
88
28
28
28
28
28
28
88
88
88
88
88
88
81
81
81
81
81
81
94

Low Clouds (% Sky Obscured)

88
88
88
88
88
20
20
20
20
20
20
67
67
67
67
67
67
77
77
77
77
77
77
92

Medium Clouds (% Sky Obscured)

2
2
2
2
2
24
24
24
24
24
24
78
78
78
78
78
78
33
33
33
33
33
33
13

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
6

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

9
16
19
22
26
31
29
27
26
24
23
21
17
12
9
7
0
0
11
22
25
25
22
21

Precipitation Amount (mm)

0.08
0.18
0.27
0.29
0.27
0.25
0.25
0.29
0.33
0.3
0.23
0.18
0.12
0.07
0.04
0.01
0
0
0.03
0.2
0.38
0.38
0.4
0.46

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
19
18
18
17
16
15
14
14
14
14
13
13
13
12
12
13
13
15
16
16
17
18

Feels Like (°C)

18
18
19
18
18
17
16
15
14
14
14
14
13
13
13
12
12
13
13
15
16
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

68
67
67
69
73
77
80
87
91
93
95
96
96
96
96
97
98
98
96
92
89
86
82
78

Pressure (mb)

1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1016

Ozone (du)

327
327
326
325
325
324
325
326
327
327
327
327
326
325
325
325
326
326
326
326
327
327
327
327

Forecast for Rhayader, Powys LD6 5HP, UK (52.27,-3.57)

Generated: 21/07/19 14:43:09. Forecast: 21/07/19 to 27/07/19. Timezone: UTC+1.00