Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waxing Crescent 46%

14:57

22:36

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

Sun - Rise: 07:05, Set: 19:09, Transit: 13:06. Moon - Rise: 14:57, Set: 22:36. Civil Dark: 19:42 - 06:31. Nautical Dark: 20:22 - 05:51. Astro Dark: 21:04 - 05:10

Total Clouds (% Sky Obscured)

77
87
98
99
99
100
100
100
100
65
36
23
78
99
98
100
87
95
44
23
23
24
53
59

Low Clouds (% Sky Obscured)

60
39
52
27
26
31
23
21
56
33
26
23
53
29
68
100
78
92
41
22
23
23
12
14

Medium Clouds (% Sky Obscured)

46
52
97
96
96
100
100
100
99
50
14
3
18
77
90
89
38
31
16
4
1
10
52
52

High Clouds (% Sky Obscured)

0
71
95
96
91
95
81
77
92
12
5
0
56
98
93
71
36
23
0
0
0
0
10
31

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
4
0
0
0
1
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
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

66
22
18
14
15
22
29
33
34
36
33
21
13
0
21
45
65
64
54
43
40
32
25
22

Precipitation Amount (mm)

0.22
0.18
0.12
0.06
0.06
0.1
0.17
0.24
0.26
0.26
0.21
0.1
0.02
0
0.11
0.59
1.09
0.96
0.57
0.32
0.25
0.22
0.2
0.13

Wind Speed/Direction (mph)

8
8
8
8
9
8
8
8
8
8
8
7
6
5
5
6
7
9
11
13
14
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
11
11
8
7
6
5
4
4
3
3
3
4
4
4
3
3
3
3
3
3
5

Dew Point (°C)

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

Relative Humidity (%)

100
100
94
89
87
87
89
90
92
92
93
95
97
96
97
98
99
99
99
99
100
100
99
93

Pressure (mb)

1001
1001
1000
1000
1000
999
999
999
1000
1000
1000
1000
999
998
997
996
995
994
993
992
992
992
992
992

Ozone (du)

295
297
300
303
306
308
310
311
314
317
319
317
314
312
312
313
314
318
323
327
329
331
333
332

Thursday 24

First Quarter 58%

16:02

23:29

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 OK
06 OK
07 OK
08 Good
09 OK
10 Good
11 Good

Sun - Rise: 07:06, Set: 19:06, Transit: 13:05. Moon - Rise: 16:02, Set: 23:29. Civil Dark: 19:40 - 06:33. Nautical Dark: 20:20 - 05:53. Astro Dark: 21:01 - 05:12

Total Clouds (% Sky Obscured)

82
86
84
84
99
90
92
94
91
94
95
84
66
41
63
59
80
32
16
14
7
20
4
9

Low Clouds (% Sky Obscured)

56
72
64
48
96
47
76
57
60
84
83
73
40
22
20
6
78
20
10
12
4
20
4
9

Medium Clouds (% Sky Obscured)

55
27
20
43
59
74
66
76
32
28
55
52
21
3
23
10
11
16
9
6
6
0
0
1

High Clouds (% Sky Obscured)

52
49
41
63
73
73
69
82
81
81
77
63
43
23
54
56
13
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
7
8
10
10
10
7
5
8
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
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
Very Light Rain
None
None
None
None

Precipitation Probability (%)

23
26
25
24
24
29
33
36
34
30
25
22
17
14
15
22
24
17
10
6
0
0
0
0

Precipitation Amount (mm)

0.12
0.17
0.19
0.21
0.23
0.26
0.28
0.28
0.23
0.16
0.11
0.06
0.03
0.01
0.01
0.06
0.1
0.07
0.03
0.01
0
0
0
0

Wind Speed/Direction (mph)

16
16
15
14
12
10
7
5
4
4
5
5
6
7
7
8
9
9
9
9
11
13
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
10
11
11
7
6
6
6
6
5
4
3
3
2
2
2
2
2
2
2
2
3
4
6

Dew Point (°C)

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

Relative Humidity (%)

85
80
77
78
80
85
89
93
93
93
93
93
94
95
95
95
95
95
95
95
95
92
88
81

Pressure (mb)

992
991
991
991
991
990
991
991
992
994
995
996
998
999
1000
1002
1003
1004
1005
1007
1008
1009
1010
1011

Ozone (du)

331
330
330
332
333
334
335
336
337
338
339
339
339
338
338
337
337
338
339
339
335
330
324
318

Friday 25

Waxing Gibbous 68%

16:54

00:31

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

Sun - Rise: 07:08, Set: 19:04, Transit: 13:05. Moon - Rise: 16:54, Set: 00:31. Civil Dark: 19:38 - 06:34. Nautical Dark: 20:17 - 05:55. Astro Dark: 20:59 - 05:14

Total Clouds (% Sky Obscured)

45
47
49
53
40
51
44
39
31
18
47
68
56
12
12
12
12
12
12
10
10
10
10
10

Low Clouds (% Sky Obscured)

43
35
34
33
25
37
33
25
17
8
18
13
8
9
9
9
9
9
9
7
7
7
7
7

Medium Clouds (% Sky Obscured)

8
33
38
34
27
33
25
24
18
10
17
13
11
8
8
8
8
8
8
1
1
1
1
1

High Clouds (% Sky Obscured)

0
5
15
22
6
0
0
0
10
6
31
61
49
0
0
0
0
0
0
3
3
3
3
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
9
6
3

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

Precipitation Probability (%)

2
2
3
4
5
5
5
5
4
3
0
0
5
5
5
4
6
9
15
25
27
32
33
32

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.02
0.02
0.03
0.03
0.02
0.01
0
0
0.02
0.03
0.02
0.02
0.01
0.02
0.05
0.09
0.15
0.22
0.28
0.31

Wind Speed/Direction (mph)

16
17
17
17
17
16
15
14
12
11
9
9
9
8
8
8
8
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
12
12
11
10
6
4
4
3
2
2
2
2
2
2
1
2
1
2
2
3
4
4

Dew Point (°C)

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

Relative Humidity (%)

73
67
64
63
65
70
75
78
78
76
76
77
78
80
82
84
86
88
91
93
95
95
95
92

Pressure (mb)

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

Ozone (du)

310
305
302
302
301
301
301
300
298
295
292
289
286
283
282
282
282
280
279
277
276
275
275
274

Saturday 26

Waxing Gibbous 78%

17:33

01:40

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 Good
03 Good
04 Good
05 Good
06 OK
07 Good
08 Good
09 Good
10 Good
11 Good

Sun - Rise: 07:10, Set: 19:01, Transit: 13:05. Moon - Rise: 17:33, Set: 01:40. Civil Dark: 19:35 - 06:36. Nautical Dark: 20:15 - 05:56. Astro Dark: 20:56 - 05:15

Total Clouds (% Sky Obscured)

10
83
83
83
83
83
83
73
73
73
73
73
73
13
13
13
13
13
13
3
3
3
3
3

Low Clouds (% Sky Obscured)

7
83
83
83
83
83
83
73
73
73
73
73
73
13
13
13
13
13
13
3
3
3
3
3

Medium Clouds (% Sky Obscured)

1
3
3
3
3
3
3
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
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)

1
1
4
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
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 (%)

30
28
23
9
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.32
0.27
0.13
0.02
0
0
0
0
0
0
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
7
7
6
5
4
3
3
3
4
4
3
3
3
4
4
4
4
4
5
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
5
4
5
5
6
6
6

Relative Humidity (%)

88
84
81
78
76
75
76
76
78
84
87
89
92
94
95
95
95
94
93
93
90
86
83
78

Pressure (mb)

1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1016
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

273
272
270
268
266
265
265
264
265
265
265
265
264
264
263
263
262
262
262
263
263
264
265
266

Sunday 27

Waxing Gibbous 86%

18:02

02:52

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

Sun - Rise: 07:11, Set: 18:59, Transit: 13:04. Moon - Rise: 18:02, Set: 02:52. Civil Dark: 19:33 - 06:38. Nautical Dark: 20:12 - 05:58. Astro Dark: 20:53 - 05:17

Total Clouds (% Sky Obscured)

3
16
16
16
16
16
16
0
0
0
0
0
0
11
11
11
11
11
11
99
99
99
99
99

Low Clouds (% Sky Obscured)

3
16
16
16
16
16
16
0
0
0
0
0
0
0
0
0
0
0
0
99
99
99
99
99

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

ISS Passover

Visibility (miles)

10
10
10
10
8
5
2
0
0
1
2
3
5
6
5
2
0
0
0
0
3
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
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

Precipitation Probability (%)

4
5
5
2
2
9
12
13
10
4
2
2
3
4
4
2
1
1
3
3
3
3
3
3

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.01
0.02
0.06
0.09
0.09
0.07
0.05
0.03
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
68
66
66
67
71
75
76
80
84
87
90
92
93
94
94
94
95
96
99
96
93
87
84

Pressure (mb)

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

Ozone (du)

267
268
268
268
269
269
270
270
271
271
272
272
272
272
271
270
270
271
272
273
274
274
275
275

Monday 28

Waxing Gibbous 92%

18:25

04:04

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

Sun - Rise: 07:13, Set: 18:57, Transit: 13:04. Moon - Rise: 18:25, Set: 04:04. Civil Dark: 19:30 - 06:39. Nautical Dark: 20:10 - 06:00. Astro Dark: 20:51 - 05:19

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
26
26
26
26
26
26
13
13
13
13
13
13
81
81
81
81
81

Low Clouds (% Sky Obscured)

99
100
100
100
100
100
100
25
25
25
25
25
25
9
9
9
9
9
9
81
81
81
81
81

Medium Clouds (% Sky Obscured)

0
50
50
50
50
50
50
2
2
2
2
2
2
9
9
9
9
9
9
16
16
16
16
16

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

Precipitation Probability (%)

3
4
4
4
5
7
12
13
9
7
5
3
3
3
4
5
5
4
3
1
0
0
0
3

Precipitation Amount (mm)

0.04
0.04
0.03
0.02
0.03
0.11
0.29
0.42
0.3
0.12
0.04
0.02
0.02
0.01
0.01
0.02
0.02
0.01
0.01
0.01
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
16
16
16
16
15
14
13
12
12
11
10
8
8
7
7
7
7
6
7
7
8
10
11

Dew Point (°C)

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

Relative Humidity (%)

81
77
75
74
77
81
89
92
92
90
89
88
89
90
92
94
95
96
96
96
94
90
86
82

Pressure (mb)

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

Ozone (du)

276
277
277
278
279
281
283
284
285
286
286
286
285
284
284
283
283
283
284
284
286
287
288
289

Tuesday 29

Waxing Gibbous 96%

18:44

05:14

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:15, Set: 18:54, Transit: 13:04. Moon - Rise: 18:44, Set: 05:14. Civil Dark: 19:28 - 06:41. Nautical Dark: 20:08 - 06:02. Astro Dark: 20:48 - 05:21

Total Clouds (% Sky Obscured)

81
97
97
97
97
97
97
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99

Low Clouds (% Sky Obscured)

81
50
50
50
50
50
50
99
99
99
99
99
99
100
100
100
100
100
100
98
98
98
98
98

Medium Clouds (% Sky Obscured)

16
6
6
6
6
6
6
100
100
100
100
100
100
99
99
99
99
99
99
97
97
97
97
97

High Clouds (% Sky Obscured)

0
94
94
94
94
94
94
99
99
99
99
99
99
53
53
53
53
53
53
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
4
2
1
0
0
0
1
5

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

Precipitation Probability (%)

4
6
6
7
7
6
9
10
12
8
5
10
16
22
36
48
61
71
76
74
71
70
67
60

Precipitation Amount (mm)

0.04
0.07
0.09
0.1
0.11
0.08
0.05
0.03
0.02
0.02
0.02
0.04
0.08
0.14
0.22
0.36
0.54
0.87
1.55
2.12
1.96
1.49
1.1
0.74

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
76
72
69
70
74
79
84
87
86
86
87
87
89
91
93
94
94
95
95
96
95
94
93

Pressure (mb)

1014
1014
1013
1013
1012
1012
1012
1011
1011
1011
1011
1010
1009
1008
1007
1006
1005
1004
1003
1003
1003
1003
1003
1003

Ozone (du)

290
292
294
296
298
299
301
302
304
307
308
309
309
309
308
306
305
305
306
307
309
311
312
312

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

Generated: 23/09/20 11:23:25. Forecast: 23/09/20 to 29/09/20. Timezone: UTC+1.00