Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 76%

15:21

05:06

16 Good
17 Good
18 Good
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 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good

Sun - Rise: 05:57, Set: 20:25, Transit: 13:12. Moon - Rise: 15:21, Set: 05:06. Civil Dark: 21:02 - 05:20. Nautical Dark: 21:50 - 04:32. Astro Dark: 22:46 - 03:34

Total 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
7
0

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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
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)

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

Chance of Frost

Temperature (°C)

13
13
13
12
10
8
6
5
5
4
4
3
3
2
1
2
4
6
7
9
11
12
13
15

Feels Like (°C)

13
13
13
12
8
6
4
3
2
2
1
-0
-1
-1
-3
-2
-0
2
4
6
11
12
13
15

Dew Point (°C)

0
0
1
2
1
0
-1
-1
-1
0
-1
-2
-3
-4
-5
-4
-3
-3
-2
-1
-0
0
1
1

Relative Humidity (%)

42
42
46
50
55
58
61
64
68
75
74
71
68
66
67
66
61
55
52
50
47
45
42
41

Pressure (mb)

1026
1026
1026
1026
1027
1027
1027
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025

Ozone (du)

337
333
329
332
333
334
336
337
338
340
340
342
345
344
341
341
342
340
338
336
331
329
328
327

Friday 23

Waxing Gibbous 85%

No Rise

05:24

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

Sun - Rise: 05:55, Set: 20:27, Transit: 13:12. Moon - Rise: No Rise, Set: 05:24. Civil Dark: 21:04 - 05:18. Nautical Dark: 21:52 - 04:29. Astro Dark: 22:50 - 03:31

Total Clouds (% Sky Obscured)

0
17
66
23
60
90
97
100
100
99
88
63
91
96
96
80
48
38
41
54
54
48
58
60

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)

0
17
66
23
60
90
97
100
100
99
88
63
91
96
96
80
48
38
41
54
54
48
58
60

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)

14
14
12
11
10
9
9
9
9
8
7
7
7
7
7
7
9
11
13
15
15
16
16
16

Chance of Frost

Temperature (°C)

15
15
15
14
12
10
9
8
7
6
5
4
4
3
3
3
5
7
8
9
11
12
13
14

Feels Like (°C)

15
15
15
14
12
10
7
5
4
3
2
1
1
0
-0
0
2
3
5
6
11
12
13
14

Dew Point (°C)

2
2
2
2
2
1
0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
0
1
2
2
1
2
2

Relative Humidity (%)

40
40
43
46
49
53
55
56
58
62
66
70
72
73
73
72
68
63
61
58
54
49
47
45

Pressure (mb)

1025
1025
1025
1025
1026
1026
1026
1026
1026
1027
1027
1028
1028
1028
1027
1028
1028
1028
1028
1028
1028
1027
1027
1027

Ozone (du)

326
325
324
324
321
319
318
316
314
311
309
308
308
309
310
313
314
315
315
316
317
312
311
310

Saturday 24

Waxing Gibbous 93%

16:47

05:41

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 Good
23 Good
00 Good
01 OK
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

Sun - Rise: 05:53, Set: 20:28, Transit: 13:12. Moon - Rise: 16:47, Set: 05:41. Civil Dark: 21:06 - 05:15. Nautical Dark: 21:54 - 04:26. Astro Dark: 22:53 - 03:27

Total Clouds (% Sky Obscured)

66
81
88
88
91
38
0
0
2
26
39
99
98
84
70
60
60
60
60
60
60
48
48
48

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
26
39
99
98
84
70
60
60
60
60
60
60
48
48
48

Medium Clouds (% Sky Obscured)

0
0
0
0
6
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

66
81
88
88
91
38
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
6
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
1
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
0.01
0

Wind Speed/Direction (mph)

15
15
14
14
13
13
13
13
13
11
10
10
9
10
10
11
12
13
14
15
14
14
13
13

Chance of Frost

Temperature (°C)

15
14
14
13
11
10
8
7
6
5
4
3
2
2
1
1
3
4
6
8
9
11
13
14

Feels Like (°C)

15
14
14
13
11
7
5
3
2
1
-0
-1
-2
-2
-3
-3
-2
0
2
4
6
11
13
14

Dew Point (°C)

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

Relative Humidity (%)

44
46
49
54
57
61
67
70
75
80
85
88
91
95
98
98
90
80
72
65
58
56
51
48

Pressure (mb)

1026
1026
1026
1026
1026
1027
1027
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1027
1027

Ozone (du)

309
309
308
312
313
316
317
318
319
311
311
311
311
314
320
334
339
342
345
348
349
346
347
348

Sunday 25

Waxing Gibbous 98%

18:14

05:58

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 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 OK
14 OK
15 OK

Sun - Rise: 05:51, Set: 20:30, Transit: 13:11. Moon - Rise: 18:14, Set: 05:58. Civil Dark: 21:08 - 05:13. Nautical Dark: 21:57 - 04:24. Astro Dark: 22:56 - 03:24

Total Clouds (% Sky Obscured)

48
48
48
91
91
91
91
91
91
0
0
0
0
0
0
7
7
7
7
7
7
49
49
49

Low Clouds (% Sky Obscured)

48
48
48
1
1
1
1
1
1
0
0
0
0
0
0
6
6
6
6
6
6
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)

0
0
0
91
91
91
91
91
91
0
0
0
0
0
0
1
1
1
1
1
1
49
49
49

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)

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

Chance of Frost

Temperature (°C)

14
14
14
12
11
8
7
5
4
3
2
1
0
-1
-1
0
2
4
6
8
9
11
12
13

Feels Like (°C)

14
14
14
12
11
6
4
3
1
-0
-1
-2
-3
-4
-5
-3
-0
2
4
6
8
11
12
13

Dew Point (°C)

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

Relative Humidity (%)

47
48
52
57
61
69
74
79
85
86
90
93
96
99
100
97
88
78
71
64
58
52
48
45

Pressure (mb)

1026
1026
1026
1025
1025
1026
1026
1027
1026
1026
1025
1025
1024
1024
1024
1023
1023
1022
1021
1021
1020
1019
1019
1018

Ozone (du)

348
349
350
353
354
355
359
359
359
360
359
356
355
355
355
356
356
355
356
357
358
359
361
363

Monday 26

Waxing Gibbous 100%

19:44

06:17

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

Sun - Rise: 05:49, Set: 20:32, Transit: 13:11. Moon - Rise: 19:44, Set: 06:17. Civil Dark: 21:10 - 05:11. Nautical Dark: 21:59 - 04:21. Astro Dark: 22:59 - 03:20

Total Clouds (% Sky Obscured)

49
49
49
97
97
97
97
97
97
88
88
88
88
88
88
10
10
10
10
10
10
79
79
79

Low Clouds (% Sky Obscured)

0
0
0
1
1
1
1
1
1
13
13
13
13
13
13
10
10
10
10
10
10
79
79
79

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
86
86
86
86
86
86
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

49
49
49
97
97
97
97
97
97
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
9
6
4
3
1
10
10
4
0
4
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
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
1
0
1
1
5
23
15
19
21
10
4
4
3
3
4
6
8
7
6
4
2
1

Precipitation Amount (mm)

0
0
0.01
0
0.01
0.03
0.08
0.76
0.38
0.3
0.23
0.1
0.04
0.02
0.02
0.01
0.02
0.04
0.05
0.05
0.04
0.03
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
13
12
10
7
5
4
3
2
1
1
0
0
-0
0
1
1
2
3
5
6
8
11

Dew Point (°C)

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

Relative Humidity (%)

44
46
51
58
68
76
88
94
100
99
100
100
100
100
100
100
100
100
100
98
87
79
69
63

Pressure (mb)

1017
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1016
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016

Ozone (du)

365
370
376
374
380
391
410
415
415
438
439
429
419
411
402
381
377
376
377
378
382
385
387
389

Tuesday 27

Full Moon 99%

21:16

06:39

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
14 Bad
15 Bad

Sun - Rise: 05:47, Set: 20:33, Transit: 13:11. Moon - Rise: 21:16, Set: 06:39. Civil Dark: 21:12 - 05:09. Nautical Dark: 22:01 - 04:19. Astro Dark: 23:03 - 03:16

Total Clouds (% Sky Obscured)

79
79
79
88
88
88
88
88
88
63
63
63
63
63
63
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

79
79
79
84
84
84
84
84
84
48
48
48
48
48
48
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
32
32
32
32
32
32
52
52
52
52
52
52
50
50
50
50
50
50
2
2
2

High Clouds (% Sky Obscured)

0
0
0
6
6
6
6
6
6
13
13
13
13
13
13
9
9
9
9
9
9
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
7
6
6
7
8
10
10
10
10
10
10
10
7
4
4
7

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

Precipitation Probability (%)

1
1
1
2
3
6
11
13
13
13
13
11
8
6
5
4
3
2
2
3
7
10
12
13

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.03
0.06
0.1
0.14
0.18
0.22
0.21
0.18
0.14
0.08
0.04
0.03
0.01
0.01
0.01
0.03
0.06
0.1
0.13
0.15

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
10
7
6
5
4
3
3
2
2
1
1
1
1
1
1
2
3
3
4
4
5
6

Dew Point (°C)

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

Relative Humidity (%)

60
62
66
73
81
92
98
99
98
98
99
100
100
100
100
100
100
96
89
86
84
82
76
71

Pressure (mb)

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

Ozone (du)

389
386
382
379
380
382
383
381
378
374
372
370
367
365
362
361
361
361
362
363
365
367
369
372

Wednesday 28

Waning Gibbous 94%

22:49

07:09

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
14 Bad
15 Bad

Sun - Rise: 05:45, Set: 20:35, Transit: 13:11. Moon - Rise: 22:49, Set: 07:09. Civil Dark: 21:14 - 05:06. Nautical Dark: 22:04 - 04:16. Astro Dark: 23:06 - 03:12

Total Clouds (% Sky Obscured)

100
100
100
92
92
92
92
92
92
99
99
99
99
99
99
99
99
99
99
99
99
98
98
98

Low Clouds (% Sky Obscured)

100
100
100
91
91
91
91
91
91
6
6
6
6
6
6
55
55
55
55
55
55
59
59
59

Medium Clouds (% Sky Obscured)

2
2
2
59
59
59
59
59
59
49
49
49
49
49
49
76
76
76
76
76
76
91
91
91

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
99
99
99
99
99
99
97
97
97
97
97
97
59
59
59

ISS Passover

Visibility (miles)

9
10
10
10
10
10
10
10
10
10
10
10
10
7
4
2
5
10
10
10
7
3
1
0

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

Precipitation Probability (%)

12
10
9
8
6
3
4
7
28
46
39
21
14
15
19
19
12
4
4
4
10
15
13
11

Precipitation Amount (mm)

0.16
0.13
0.1
0.07
0.04
0.02
0.01
0.05
0.19
0.31
0.22
0.11
0.08
0.08
0.09
0.09
0.05
0.01
0.01
0.02
0.07
0.13
0.14
0.12

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
9
8
8
6
6
5
5
4
4
4
4
3
3
3
4
5
6
7
8
9
10
10

Feels Like (°C)

7
7
7
6
5
4
4
4
3
2
2
2
1
1
0
0
1
2
3
4
5
6
7
7

Dew Point (°C)

4
5
5
5
5
4
4
5
5
4
4
4
4
3
3
3
4
5
5
5
5
5
4
4

Relative Humidity (%)

68
70
74
79
82
86
90
100
100
100
100
100
100
100
100
100
100
100
96
90
84
76
70
69

Pressure (mb)

1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

373
371
366
364
366
371
376
381
386
390
390
388
387
388
389
390
391
392
392
390
388
386
385
385

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

Generated: 22/04/21 16:05:35. Forecast: 22/04/21 to 28/04/21. Timezone: UTC+1.00