Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waning Gibbous 91%

20:20

08:59

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

Sun - Rise: 07:15, Set: 17:45, Transit: 12:31. Moon - Rise: 20:20, Set: 08:59. Civil Dark: 18:18 - 06:42. Nautical Dark: 18:56 - 06:04. Astro Dark: 19:34 - 05:26

Total Clouds (% Sky Obscured)

91
73
84
81
78
75
2
1
0
0
0
0
0
0
0
1
24
86
84
88
98
98
98
91

Low Clouds (% Sky Obscured)

66
59
62
43
23
10
2
1
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)

80
37
58
68
71
73
0
0
0
0
0
0
0
0
0
1
24
86
84
88
98
98
98
91

ISS Passover

Visibility (miles)

6
7
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 (%)

2
2
2
2
3
4
5
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.01
0
0.01
0.01
0.01
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
86
83
81
81
82
85
87
88
88
88
87
85
83
83
83
84
86
89
90
90
91
90

Pressure (mb)

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

Ozone (du)

295
295
295
296
296
297
296
296
295
294
294
292
290
288
285
284
282
281
281
281
281
280
280
280

Friday 22

Waning Gibbous 83%

21:40

09:23

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: 17:47, Transit: 12:31. Moon - Rise: 21:40, Set: 09:23. Civil Dark: 18:20 - 06:40. Nautical Dark: 18:58 - 06:02. Astro Dark: 19:36 - 05:24

Total Clouds (% Sky Obscured)

68
94
98
84
81
89
91
93
94
95
95
94
46
95
96
97
97
97
95
93
95
91
89
88

Low Clouds (% Sky Obscured)

1
5
2
1
0
1
1
1
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)

68
94
98
84
81
89
90
93
94
95
95
94
46
95
96
97
97
97
95
93
95
91
89
88

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
1
0
0
0
3
3
3
2
2
2
0
0
0
0
0
2
2
2
2
2
2
2

Precipitation Amount (mm)

0
0
0.01
0
0
0
0.01
0.02
0.02
0.02
0.01
0.01
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

14
15
16
16
16
16
16
15
15
15
16
16
17
17
17
17
17
16
16
16
16
16
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
11
11
12
11
11
7
6
6
7
10
10
11
11
11
10
7
6
6
5
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

89
86
82
79
77
77
78
79
80
81
81
81
81
80
81
81
82
82
83
85
85
86
88
88

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1028
1028
1028
1028
1028
1027
1027
1027
1028
1028

Ozone (du)

280
280
281
280
280
280
280
280
280
281
281
282
282
282
282
283
284
284
283
281
280
280
281
281

Saturday 23

Waning Gibbous 74%

22:58

09:48

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

Sun - Rise: 07:11, Set: 17:48, Transit: 12:31. Moon - Rise: 22:58, Set: 09:48. Civil Dark: 18:21 - 06:38. Nautical Dark: 18:59 - 06:00. Astro Dark: 19:37 - 05:22

Total Clouds (% Sky Obscured)

90
95
99
99
99
98
95
73
75
30
27
27
31
48
70
55
14
6
62
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
2
0
0
0
2
41
1
18
26
27
27
31
48
70
55
14
6
62
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
1
28
68
70
2
33
73
16
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

90
95
99
99
99
98
94
60
2
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
9
8
7
7
7
7
8
9
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100

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

Precipitation Probability (%)

2
2
3
3
3
3
4
4
4
3
4
4
5
4
5
6
6
6
9
11
10
7
3
3

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.06
0.1
0.09
0.07
0.07
0.06
0.05
0.05
0.07
0.1
0.11
0.08
0.05
0.04

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
9
9
9
9
9
8
8
8
8
8
8
8
8
8
8
8
8
8
8
9
9

Relative Humidity (%)

87
84
82
80
80
82
86
88
91
92
91
91
91
90
90
90
90
90
90
91
92
92
94
94

Pressure (mb)

1028
1028
1029
1029
1028
1028
1029
1029
1029
1030
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1032
1032
1033

Ozone (du)

282
283
283
283
283
283
284
285
285
285
284
285
290
298
306
314
323
326
321
310
302
298
296
294

Sunday 24

Waning Gibbous 63%

00:13

No Set

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: 07:09, Set: 17:50, Transit: 12:30. Moon - Rise: 00:13, Set: No Set. Civil Dark: 18:23 - 06:36. Nautical Dark: 19:01 - 05:58. Astro Dark: 19:39 - 05:20

Total Clouds (% Sky Obscured)

100
100
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)

100
100
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 (%)

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
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
None
None
None
None
None
None

Precipitation Probability (%)

4
6
8
9
9
8
7
6
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
91
90
88
88
89
88
89
83
84
84
85
85
85
85
86
86
88
90
91
90
90
88

Pressure (mb)

1033
1033
1033
1033
1033
1033
1033
1033
1034
1033
1033
1033
1033
1034
1034
1034
1034
1033
1033
1033
1033
1033
1033
1034

Ozone (du)

292
291
289
286
284
282
279
277
275
275
275
275
276
277
277
277
277
277
278
279
280
281
282
283

Monday 25

Waning Gibbous 52%

01:24

10:15

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: 07:07, Set: 17:52, Transit: 12:30. Moon - Rise: 01:24, Set: 10:15. Civil Dark: 18:25 - 06:34. Nautical Dark: 19:03 - 05:56. Astro Dark: 19:41 - 05:18

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

0
0
1
1
1
1
1
1
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
12
13
14
15
15
13
11
10
7
7
7
7
6
6
6
6
6
6
6
6
5
6
6

Dew Point (°C)

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

Relative Humidity (%)

84
79
73
68
64
64
66
69
70
72
72
73
75
78
80
83
85
87
88
89
89
90
90
88

Pressure (mb)

1034
1034
1034
1033
1033
1032
1032
1031
1031
1031
1031
1031
1031
1030
1030
1030
1029
1029
1028
1028
1028
1028
1027
1027

Ozone (du)

284
285
286
287
288
289
291
292
293
294
296
297
299
300
301
302
303
303
304
304
305
307
309
311

Tuesday 26

Third Quarter 42%

02:31

10:46

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: 17:54, Transit: 12:30. Moon - Rise: 02:31, Set: 10:46. Civil Dark: 18:26 - 06:32. Nautical Dark: 19:04 - 05:54. Astro Dark: 19:42 - 05:16

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
79
74
71
69
69
71
72
73
75
78
80
81
81
81
81
80
81
82
85
86
87
88
88

Pressure (mb)

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

Ozone (du)

313
315
317
319
322
325
329
333
335
333
329
326
326
327
328
330
332
334
334
334
334
335
337
338

Wednesday 27

Waning Crescent 32%

03:31

11:21

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

Sun - Rise: 07:02, Set: 17:55, Transit: 12:30. Moon - Rise: 03:31, Set: 11:21. Civil Dark: 18:28 - 06:30. Nautical Dark: 19:06 - 05:52. Astro Dark: 19:44 - 05:14

Total Clouds (% Sky Obscured)

0
0
10
10
10
10
10
10
38
38
38
38
38
38
100
100
100
100
100
100
31
31
31
31

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
38
38
38
38
38
38
99
99
99
99
99
99
30
30
30
30

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
67
67
67
67
67
67
14
14
14
14

High Clouds (% Sky Obscured)

0
0
10
10
10
10
10
10
0
0
0
0
0
0
5
5
5
5
5
5
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
9
8
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
9
9
5
2
0
0
2
3
2
2
2
2
2
2
2
3
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
82
78
77
77
79
83
85
87
87
87
86
85
85
85
86
86
87
86
86
86
87
86
86

Pressure (mb)

1020
1020
1020
1021
1020
1021
1021
1021
1021
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

338
337
337
336
335
335
335
337
342
356
375
385
381
370
361
357
357
356
354
352
350
346
342
338

Forecast for Upton Cross, Cornwall, UK (50.54,-4.43)

Generated: 21/02/19 10:08:25. Forecast: 21/02/19 to 27/02/19. Timezone: UTC+0.00