Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waning Gibbous 97%

18:39

08:24

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

Sun - Rise: 07:10, Set: 17:26, Transit: 12:19. Moon - Rise: 18:39, Set: 08:24. Civil Dark: 18:01 - 06:35. Nautical Dark: 18:42 - 05:54. Astro Dark: 19:22 - 05:14

Total Clouds (% Sky Obscured)

88
84
67
77
100
66
10
6
44
97
20
8
99
5
41
37
100
97
58
73
79
77
48
59

Low Clouds (% Sky Obscured)

54
73
60
0
1
0
5
3
42
97
20
8
99
5
34
0
38
87
0
0
3
2
10
14

Medium Clouds (% Sky Obscured)

77
58
48
77
100
66
6
5
19
41
1
1
13
1
17
37
100
95
27
2
13
8
12
10

High Clouds (% Sky Obscured)

0
0
0
0
2
2
0
0
0
0
0
0
0
0
0
0
0
5
42
73
76
74
38
49

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

0
0
2
4
4
5
6
4
2
1
1
1
1
1
7
8
28
3
1
1
2
3
0
0

Precipitation Amount (mm)

0
0
0.01
0.02
0.03
0.06
0.07
0.05
0.02
0.01
0.01
0.01
0.01
0.01
0.2
0.19
0.22
0.06
0.01
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
65
63
62
64
68
71
73
74
75
77
78
80
81
86
87
88
86
86
87
80
80
81
76

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1019
1019
1018
1019
1019
1019
1020
1020
1021
1021
1022
1023

Ozone (du)

315
315
316
317
318
318
321
328
337
343
343
341
337
332
323
320
316
311
307
304
298
295
293
291

Friday 22

Waning Gibbous 91%

20:05

08:47

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

Sun - Rise: 07:08, Set: 17:28, Transit: 12:19. Moon - Rise: 20:05, Set: 08:47. Civil Dark: 18:03 - 06:32. Nautical Dark: 18:44 - 05:52. Astro Dark: 19:24 - 05:12

Total Clouds (% Sky Obscured)

52
16
50
75
74
58
62
18
0
0
2
0
0
0
0
0
2
0
15
45
78
88
95
92

Low Clouds (% Sky Obscured)

17
7
2
2
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

13
12
6
9
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

35
0
46
72
73
57
62
18
0
0
2
0
0
0
0
0
2
0
15
45
78
88
95
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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
16
16
16
14
12
12
11
10
8
7
7
6
5
5
4
3
2
2
3
4
6
10

Dew Point (°C)

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

Relative Humidity (%)

71
66
63
62
65
71
76
79
81
83
84
85
85
85
84
84
86
87
87
86
85
82
76
69

Pressure (mb)

1023
1023
1024
1024
1024
1025
1026
1026
1027
1028
1028
1029
1029
1030
1030
1030
1030
1030
1031
1031
1032
1032
1033
1033

Ozone (du)

289
287
286
284
283
282
281
281
280
280
280
280
279
279
278
278
279
280
281
281
282
282
281
279

Saturday 23

Waning Gibbous 83%

21:29

09:08

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

Sun - Rise: 07:06, Set: 17:30, Transit: 12:19. Moon - Rise: 21:29, Set: 09:08. Civil Dark: 18:05 - 06:30. Nautical Dark: 18:46 - 05:50. Astro Dark: 19:26 - 05:10

Total Clouds (% Sky Obscured)

34
70
88
80
86
77
46
37
81
87
91
94
96
96
98
91
88
91
68
63
81
2
7
23

Low Clouds (% Sky Obscured)

0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
2
1
1
5
16
23
1
6
23

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)

34
70
88
80
86
76
46
37
81
87
91
94
96
96
98
90
88
90
66
58
74
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
59
58
58
59
63
66
69
70
70
70
70
70
72
75
77
80
83
84
85
86
86
81
74

Pressure (mb)

1033
1033
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

277
276
276
276
275
275
275
275
275
275
275
275
275
276
277
277
278
279
279
279
280
280
280
279

Sunday 24

Waning Gibbous 74%

22:50

09:31

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

Sun - Rise: 07:03, Set: 17:32, Transit: 12:19. Moon - Rise: 22:50, Set: 09:31. Civil Dark: 18:07 - 06:28. Nautical Dark: 18:47 - 05:48. Astro Dark: 19:28 - 05:07

Total Clouds (% Sky Obscured)

34
67
66
40
7
26
81
98
88
97
71
23
2
6
4
2
1
1
2
2
2
2
2
2

Low Clouds (% Sky Obscured)

34
67
66
40
7
1
2
1
1
0
0
2
1
6
4
2
1
1
2
2
2
2
2
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
70
35
14
2
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
25
81
98
88
96
68
10
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
64
60
60
61
65
69
72
74
77
79
81
82
84
85
86
87
88
88
88
86
84
79
71

Pressure (mb)

1030
1030
1030
1030
1030
1030
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033

Ozone (du)

279
279
279
279
280
281
281
281
281
281
281
282
283
282
280
283
296
314
328
334
336
334
326
314

Monday 25

Waning Gibbous 63%

00:08

09:55

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: 07:01, Set: 17:34, Transit: 12:19. Moon - Rise: 00:08, Set: 09:55. Civil Dark: 18:09 - 06:26. Nautical Dark: 18:49 - 05:46. Astro Dark: 19:30 - 05:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
83
83
83
83
83
83
100
100
100
100
100
100
65
65
65
65
65
65

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
83
83
83
83
83
83
100
100
100
100
100
100
65
65
65
65
65
65

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
64
62
61
63
67
71
74
78
80
82
83
84
85
86
87
88
89
89
88
87
84
76
67

Pressure (mb)

1033
1033
1032
1032
1032
1033
1033
1033
1034
1034
1034
1034
1035
1035
1035
1035
1035
1035
1035
1035
1035
1036
1036
1036

Ozone (du)

304
300
298
297
295
294
293
292
292
292
292
292
293
294
295
297
297
296
296
296
297
298
298
299

Tuesday 26

Third Quarter 53%

01:21

10:23

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
10 Good
11 Good

Sun - Rise: 06:59, Set: 17:36, Transit: 12:18. Moon - Rise: 01:21, Set: 10:23. Civil Dark: 18:11 - 06:24. Nautical Dark: 18:51 - 05:44. Astro Dark: 19:31 - 05:03

Total Clouds (% Sky Obscured)

17
17
17
17
17
17
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

17
17
17
17
17
17
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
2
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
0.01
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
5
5
5
5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
5
5

Chance of Frost

Temperature (°C)

14
16
17
16
15
13
11
10
9
8
7
6
6
5
5
4
4
3
3
3
4
6
8
11

Feels Like (°C)

14
16
17
16
15
13
11
9
8
6
6
5
4
4
3
3
2
1
1
2
3
4
7
11

Dew Point (°C)

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

Relative Humidity (%)

60
55
52
52
54
58
63
66
68
70
71
72
72
72
72
72
74
75
76
77
76
73
69
64

Pressure (mb)

1035
1035
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1033
1033
1032
1032
1032
1031
1031
1031
1031
1031
1031

Ozone (du)

299
299
300
300
300
301
301
302
303
303
304
304
304
304
304
304
305
306
307
308
309
309
309
308

Wednesday 27

Waning Crescent 42%

02:30

10:56

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
10 Good
11 Good

Sun - Rise: 06:57, Set: 17:38, Transit: 12:18. Moon - Rise: 02:30, Set: 10:56. Civil Dark: 18:13 - 06:22. Nautical Dark: 18:53 - 05:41. Astro Dark: 19:33 - 05:01

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
15
15
14
13
11
8
6
5
4
3
3
2
2
2
1
1
1
1
2
4
6
11

Dew Point (°C)

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

Relative Humidity (%)

59
55
53
52
55
58
63
66
67
69
72
76
79
80
81
81
82
83
83
83
82
79
74
66

Pressure (mb)

1030
1030
1029
1028
1028
1027
1027
1027
1027
1026
1026
1026
1025
1025
1024
1024
1023
1023
1022
1022
1022
1022
1022
1021

Ozone (du)

308
307
307
307
307
307
308
309
310
311
313
314
316
316
316
317
317
318
319
318
318
317
317
317

Forecast for Sheffield, South Yorkshire, UK (53.38,-1.47)

Generated: 21/02/19 10:09:09. Forecast: 21/02/19 to 27/02/19. Timezone: UTC+0.00