Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waning Gibbous 91%

20:16

08:56

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

Sun - Rise: 07:15, Set: 17:39, Transit: 12:28. Moon - Rise: 20:16, Set: 08:56. Civil Dark: 18:13 - 06:40. Nautical Dark: 18:53 - 06:01. Astro Dark: 19:32 - 05:22

Total Clouds (% Sky Obscured)

100
100
98
91
90
50
42
22
26
34
5
0
0
12
1
1
0
0
25
91
84
88
99
97

Low Clouds (% Sky Obscured)

100
100
92
68
50
43
29
8
2
1
1
0
0
1
1
1
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
1
3
1
0

High Clouds (% Sky Obscured)

82
90
88
82
80
12
17
16
23
33
4
0
0
11
0
0
0
0
25
91
84
88
99
97

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

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
3
2
2
0
0
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
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
10
11
11
11
10
7
6
5
5
5
4
4
4
4
4
4
4
4
4
4
4
5

Dew Point (°C)

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

Relative Humidity (%)

96
93
89
86
83
83
85
89
90
90
89
88
87
86
85
85
86
86
84
82
80
81
82
82

Pressure (mb)

1023
1023
1023
1024
1024
1024
1024
1025
1025
1026
1026
1027
1028
1028
1028
1029
1028
1028
1029
1029
1029
1029
1030
1030

Ozone (du)

289
288
288
287
286
286
285
285
285
284
283
282
281
281
282
283
284
284
283
281
280
279
278
277

Friday 22

Waning Gibbous 83%

21:38

09:19

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 Bad
08 Bad
09 Bad

Sun - Rise: 07:13, Set: 17:41, Transit: 12:28. Moon - Rise: 21:38, Set: 09:19. Civil Dark: 18:15 - 06:38. Nautical Dark: 18:55 - 05:59. Astro Dark: 19:34 - 05:19

Total Clouds (% Sky Obscured)

59
91
84
77
80
47
66
76
90
95
95
98
98
92
91
95
95
97
97
91
91
91
73
79

Low Clouds (% Sky Obscured)

1
2
2
2
1
2
2
1
0
0
0
0
0
0
0
1
2
2
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
1
6
21
18
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

59
91
84
70
75
45
66
75
90
95
95
98
98
92
91
95
95
97
97
91
91
91
73
79

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
77
73
70
69
70
74
77
77
77
74
73
73
74
75
76
78
79
79
78
79
80
81
81

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

277
277
277
277
278
278
277
276
275
276
278
279
279
279
279
279
280
280
281
282
282
281
279
278

Saturday 23

Waning Gibbous 74%

22:57

09:42

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

Sun - Rise: 07:10, Set: 17:43, Transit: 12:28. Moon - Rise: 22:57, Set: 09:42. Civil Dark: 18:17 - 06:36. Nautical Dark: 18:56 - 05:57. Astro Dark: 19:36 - 05:17

Total Clouds (% Sky Obscured)

90
89
95
98
98
99
99
95
85
73
24
20
48
79
99
100
100
100
100
96
100
100
100
100

Low Clouds (% Sky Obscured)

0
1
1
1
2
3
16
41
13
2
6
20
48
79
99
100
100
100
100
96
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
3
48
91
33
51
73
20
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

90
88
95
98
98
99
99
91
70
1
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
100
100
100
100
0
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
3
4
3
2
0
0
0
0
0
3
4
6
6
3
0
0
2
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
74
72
71
73
79
86
88
89
89
89
89
90
91
91
91
90
89
89
90
90
92
91

Pressure (mb)

1028
1029
1029
1029
1028
1028
1029
1029
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1032

Ozone (du)

279
280
281
282
282
282
282
282
282
282
282
283
282
283
288
304
325
338
335
324
314
307
302
298

Sunday 24

Waning Gibbous 63%

00:14

10:07

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

Sun - Rise: 07:08, Set: 17:44, Transit: 12:27. Moon - Rise: 00:14, Set: 10:07. Civil Dark: 18:19 - 06:34. Nautical Dark: 18:58 - 05:55. Astro Dark: 19:37 - 05:15

Total Clouds (% Sky Obscured)

100
100
59
59
59
59
59
59
17
17
17
17
17
17
90
90
90
90
90
90
76
76
76
76

Low Clouds (% Sky Obscured)

100
100
59
59
59
59
59
59
17
17
17
17
17
17
90
90
90
90
90
90
76
76
76
76

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 (%)

100
100
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 (%)

4
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)

0.01
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
84
82
81
81
84
88
88
88
88
87
87
87
87
86
86
86
86
86
87
87
85
83

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034

Ozone (du)

295
293
292
290
288
287
286
285
284
284
285
285
286
286
286
286
287
287
288
288
289
290
292
293

Monday 25

Waning Gibbous 52%

01:27

10:07

10 Bad
11 Bad
12 Good
13 Good
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

Sun - Rise: 07:06, Set: 17:46, Transit: 12:27. Moon - Rise: 01:27, Set: 10:07. Civil Dark: 18:20 - 06:32. Nautical Dark: 19:00 - 05:53. Astro Dark: 19:39 - 05:13

Total Clouds (% Sky Obscured)

76
76
6
6
6
6
6
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

76
76
3
3
3
3
3
3
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
3
3
3
3
3
3
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
0
0
0
0
0
0
0
0
0
0
0
0
2
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
0.01
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
12
14
15
16
15
14
12
10
7
6
5
4
4
4
3
3
3
2
2
2
2
3
5

Dew Point (°C)

7
8
9
9
9
9
9
8
7
6
4
3
3
3
3
2
2
2
1
1
2
2
3
4

Relative Humidity (%)

79
76
71
67
65
66
71
78
81
81
79
78
78
78
78
78
78
79
80
82
86
85
83
80

Pressure (mb)

1035
1035
1034
1034
1033
1033
1033
1032
1032
1032
1033
1033
1032
1032
1032
1031
1031
1031
1030
1030
1030
1030
1030
1029

Ozone (du)

293
294
294
294
294
295
296
297
297
298
299
299
300
301
302
303
304
305
306
307
308
309
310
311

Tuesday 26

Third Quarter 42%

02:35

10:36

10 Good
11 Good
12 Good
13 Good
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

Sun - Rise: 07:04, Set: 17:48, Transit: 12:27. Moon - Rise: 02:35, Set: 10:36. Civil Dark: 18:22 - 06:30. Nautical Dark: 19:02 - 05:51. Astro Dark: 19:41 - 05:11

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
0
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
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)

8
9
10
11
13
14
14
14
13
13
13
12
12
11
11
10
10
9
9
8
8
8
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
73
68
64
60
60
63
67
69
70
72
74
76
77
79
81
83
85
84
84
85
85
83
81

Pressure (mb)

1029
1029
1028
1027
1026
1026
1025
1025
1024
1024
1024
1024
1023
1023
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020

Ozone (du)

311
311
312
312
313
313
314
315
317
321
324
327
326
324
323
324
326
327
327
326
325
326
326
327

Wednesday 27

Waning Crescent 32%

03:36

11:10

10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
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

Sun - Rise: 07:02, Set: 17:50, Transit: 12:27. Moon - Rise: 03:36, Set: 11:10. Civil Dark: 18:24 - 06:28. Nautical Dark: 19:03 - 05:48. Astro Dark: 19:43 - 05:09

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
45
45
45
45
45
45
100
100
100
100
100
100
78
78
78
78

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
31
31
31
31
31
31
100
100
100
100
100
100
77
77
77
77

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
79
79
79
79
79
79
9
9
9
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
16
16
16
16
16
16
21
21
21
21
21
21
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
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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
2
4
5
7
5
3
4
4
7
17
17
16
19
16
12
11
15
21
25

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.01
0.02
0.04
0.03
0.02
0.03
0.03
0.05
0.08
0.1
0.13
0.15
0.14
0.11
0.11
0.16
0.25
0.32

Wind Speed/Direction (mph)

10
11
11
12
12
12
12
12
13
14
15
15
16
16
16
16
16
17
17
17
17
17
17
18

Chance of Frost

Temperature (°C)

10
11
13
14
14
13
12
11
10
9
9
8
9
9
9
9
9
9
8
9
8
8
8
8

Feels Like (°C)

7
11
13
14
14
13
12
11
10
6
6
5
5
5
5
5
5
5
5
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

78
75
71
70
70
73
77
82
84
86
87
87
87
88
89
89
88
88
89
89
91
92
93
94

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

327
328
328
329
330
331
329
327
329
343
361
373
372
364
358
355
354
353
352
352
350
346
342
338

Forecast for Rhayader LD6 5HF, UK (52.27,-3.69)

Generated: 21/02/19 10:04:17. Forecast: 21/02/19 to 27/02/19. Timezone: UTC+0.00