Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 76%

14:00

05:03

14 Good
15 Good
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

Sun - Rise: 05:59, Set: 20:21, Transit: 13:11. Moon - Rise: 14:00, Set: 05:03. Civil Dark: 20:58 - 05:22. Nautical Dark: 21:44 - 04:35. Astro Dark: 22:38 - 03:41

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
1
1
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
1
1
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
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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
15
16
15
14
13
11
7
6
5
3
2
1
0
-0
-0
0
2
3
6
11
13
15

Dew Point (°C)

4
4
4
5
5
5
5
4
4
4
3
2
1
-0
-1
-0
-0
1
2
3
4
5
6
6

Relative Humidity (%)

53
50
49
49
52
54
58
63
68
71
72
71
70
69
70
73
76
78
76
73
70
67
63
57

Pressure (mb)

1026
1026
1026
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1026
1026
1027
1027
1027
1027
1026
1026
1025

Ozone (du)

355
352
348
343
339
342
342
340
338
338
338
345
346
344
343
344
344
343
342
340
339
338
337
334

Friday 23

Waxing Gibbous 85%

15:22

05:22

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

Sun - Rise: 05:57, Set: 20:23, Transit: 13:11. Moon - Rise: 15:22, Set: 05:22. Civil Dark: 21:00 - 05:20. Nautical Dark: 21:46 - 04:33. Astro Dark: 22:41 - 03:37

Total Clouds (% Sky Obscured)

0
13
0
1
41
55
34
0
2
81
95
96
96
94
95
90
93
95
95
95
96
88
88
74

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
1
1
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
13
0
1
41
55
34
0
2
81
95
96
96
94
95
90
93
95
95
95
96
88
88
74

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
1

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
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
17
17
16
15
13
12
10
9
9
8
7
7
6
6
6
6
7
8
10
11
13
14

Feels Like (°C)

16
17
17
17
16
15
13
12
10
7
5
4
4
3
3
2
2
2
3
4
6
11
13
14

Dew Point (°C)

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

Relative Humidity (%)

52
48
46
46
48
50
53
57
61
65
67
71
71
74
76
79
80
81
80
76
73
70
65
61

Pressure (mb)

1025
1025
1024
1024
1024
1024
1025
1025
1025
1025
1025
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026

Ozone (du)

332
330
328
326
325
325
325
323
322
321
320
319
317
314
312
311
310
312
312
313
314
315
315
313

Saturday 24

Waxing Gibbous 93%

16:46

05:40

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

Sun - Rise: 05:55, Set: 20:25, Transit: 13:10. Moon - Rise: 16:46, Set: 05:40. Civil Dark: 21:02 - 05:17. Nautical Dark: 21:49 - 04:30. Astro Dark: 22:44 - 03:34

Total Clouds (% Sky Obscured)

14
0
1
0
0
12
34
8
29
59
78
4
13
24
26
50
73
91
91
91
91
91
91
0

Low Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
1
2
8
23
26
50
73
91
91
91
91
91
91
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)

14
0
0
0
0
12
34
8
29
59
78
2
4
2
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0
0
0
0.1
0.09
0.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
17
17
16
14
13
12
11
10
9
8
7
7
6
5
5
5
5
7
8
10
11
13

Feels Like (°C)

16
17
17
17
16
14
13
12
11
10
6
4
3
2
2
1
0
-0
1
2
4
6
11
13

Dew Point (°C)

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

Relative Humidity (%)

56
53
51
53
54
60
62
65
69
74
78
80
82
84
86
90
93
94
91
86
80
74
69
65

Pressure (mb)

1025
1025
1025
1025
1025
1024
1025
1026
1026
1026
1027
1027
1027
1028
1028
1028
1027
1028
1028
1028
1028
1028
1027
1027

Ozone (du)

311
310
309
309
310
317
317
318
318
318
318
308
308
309
311
312
312
314
316
319
326
334
340
340

Sunday 25

Waxing Gibbous 98%

18:12

05:58

14 Good
15 Good
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 OK

Sun - Rise: 05:53, Set: 20:26, Transit: 13:10. Moon - Rise: 18:12, Set: 05:58. Civil Dark: 21:03 - 05:15. Nautical Dark: 21:51 - 04:28. Astro Dark: 22:47 - 03:31

Total Clouds (% Sky Obscured)

0
0
0
0
0
5
5
5
5
5
5
0
0
0
0
0
0
2
2
2
2
2
2
38

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
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
5
5
5
5
5
5
0
0
0
0
0
0
0
0
0
0
0
0
38

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 (%)

1
0
0
0
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
0
0
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)

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

Chance of Frost

Temperature (°C)

14
15
16
16
15
14
13
11
10
9
8
6
5
5
4
3
3
3
5
6
8
9
11
12

Feels Like (°C)

14
15
16
16
15
14
13
11
10
5
4
2
1
0
-1
-1
-2
-1
1
3
5
6
11
12

Dew Point (°C)

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

Relative Humidity (%)

61
57
55
55
58
60
63
68
73
77
81
86
90
94
96
99
100
97
91
84
78
74
69
65

Pressure (mb)

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

Ozone (du)

341
344
347
349
349
354
355
355
357
357
356
357
357
358
358
357
357
358
358
357
357
358
359
357

Monday 26

Waxing Gibbous 100%

19:41

06:17

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

Sun - Rise: 05:51, Set: 20:28, Transit: 13:10. Moon - Rise: 19:41, Set: 06:17. Civil Dark: 21:05 - 05:13. Nautical Dark: 21:53 - 04:25. Astro Dark: 22:50 - 03:27

Total Clouds (% Sky Obscured)

38
38
38
38
38
99
99
99
99
99
99
6
6
6
6
6
6
20
20
20
20
20
20
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
19
19
19
19
19
94

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
4
4
4
4
4
4
9
9
9
9
9
9
93

High Clouds (% Sky Obscured)

38
38
38
38
38
99
99
99
99
99
99
1
1
1
1
1
1
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
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
2
6
12
16
18
14
9
3
2
2
2
2
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.01
0.05
0.05
0.07
0.09
0.1
0.08
0.05
0.02
0.02
0.03
0.03
0.02
0
0

Wind Speed/Direction (mph)

10
10
10
9
9
8
9
9
8
10
10
13
14
15
16
16
17
16
17
17
17
17
19
18

Chance of Frost

Temperature (°C)

13
14
14
15
15
14
12
11
10
9
9
8
8
7
7
6
6
7
8
8
9
10
11
11

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
7
7
7
7
7
7
8
7
7
7
7
6
6
7
8
8
8
8
8
8

Relative Humidity (%)

62
59
56
56
58
64
69
77
81
86
93
94
98
100
100
100
100
100
100
99
95
90
82
78

Pressure (mb)

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

Ozone (du)

356
357
358
360
364
362
367
375
380
386
402
440
446
442
436
430
422
388
383
382
383
382
403
404

Tuesday 27

Full Moon 99%

21:12

06:41

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: 05:49, Set: 20:30, Transit: 13:10. Moon - Rise: 21:12, Set: 06:41. Civil Dark: 21:07 - 05:11. Nautical Dark: 21:55 - 04:23. Astro Dark: 22:53 - 03:24

Total Clouds (% Sky Obscured)

96
96
96
96
96
69
69
69
69
69
69
76
76
76
76
76
76
44
44
44
44
44
44
45

Low Clouds (% Sky Obscured)

94
94
94
94
94
31
31
31
31
31
31
42
42
42
42
42
42
15
15
15
15
15
15
23

Medium Clouds (% Sky Obscured)

93
93
93
93
93
66
66
66
66
66
66
67
67
67
67
67
67
41
41
41
41
41
41
40

High Clouds (% Sky Obscured)

0
0
0
0
0
2
2
2
2
2
2
26
26
26
26
26
26
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
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
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.02
0.1
0.17
0.1
0.02
0
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
14
14
13
12
11
7
6
5
4
3
3
2
2
2
2
2
3
4
5
6
6
7

Dew Point (°C)

8
8
8
8
8
8
7
8
8
7
7
7
6
6
6
6
6
6
7
7
7
7
7
7

Relative Humidity (%)

73
70
67
68
71
74
79
86
92
95
96
98
100
100
100
100
100
99
99
97
94
91
87
84

Pressure (mb)

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

Ozone (du)

402
399
398
399
403
405
405
403
401
401
400
400
398
396
394
392
390
388
387
387
386
386
386
385

Wednesday 28

Waning Gibbous 94%

22:43

07:12

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: 05:47, Set: 20:31, Transit: 13:10. Moon - Rise: 22:43, Set: 07:12. Civil Dark: 21:09 - 05:09. Nautical Dark: 21:57 - 04:20. Astro Dark: 22:56 - 03:20

Total Clouds (% Sky Obscured)

45
45
45
45
45
82
82
82
82
82
82
100
100
100
100
100
100
95
95
95
95
95
95
100

Low Clouds (% Sky Obscured)

23
23
23
23
23
34
34
34
34
34
34
99
99
99
99
99
99
28
28
28
28
28
28
81

Medium Clouds (% Sky Obscured)

40
40
40
40
40
58
58
58
58
58
58
74
74
74
74
74
74
41
41
41
41
41
41
50

High Clouds (% Sky Obscured)

0
0
0
0
0
50
50
50
50
50
50
98
98
98
98
98
98
91
91
91
91
91
91
92

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 (%)

3
4
4
4
4
4
3
2
3
2
2
0
0
0
0
0
2
3
3
0
0
0
0
0

Precipitation Amount (mm)

0.03
0.04
0.05
0.05
0.05
0.05
0.04
0.03
0.03
0.02
0.01
0
0
0
0
0
0.01
0.01
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
74
71
71
74
77
80
86
92
97
100
100
100
100
100
100
100
100
100
100
100
94
87
78

Pressure (mb)

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

Ozone (du)

384
383
382
381
380
378
374
370
367
366
366
366
366
367
366
366
365
364
363
363
363
363
363
363

Forecast for Barry, Vale of Glamorgan, UK (51.40,-3.28)

Generated: 22/04/21 14:57:28. Forecast: 22/04/21 to 28/04/21. Timezone: UTC+1.00