Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 15

First Quarter 43%

12:30

23:01

12 OK
13 OK
14 OK
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
10 Bad
11 Bad

Sun - Rise: 08:15, Set: 15:47, Transit: 12:00. Moon - Rise: 12:30, Set: 23:01. Civil Dark: 16:29 - 07:32. Nautical Dark: 17:14 - 06:47. Astro Dark: 17:57 - 06:04

Total Clouds (% Sky Obscured)

40
47
16
4
2
4
82
95
52
71
73
61
100
100
100
95
66
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
40
16
4
2
4
29
50
30
71
48
52
41
4
13
3
6
19
21
23
19
61
77
90

Medium Clouds (% Sky Obscured)

1
2
1
0
0
0
0
0
0
1
6
18
90
70
79
85
31
43
56
97
100
99
95
97

High Clouds (% Sky Obscured)

9
11
0
0
0
0
75
90
31
0
63
12
100
100
99
86
50
99
99
100
99
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

-
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
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
12
16
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.03
0.15
0.3
0.38
0.41

Wind Speed/Direction (mph)

3
5
5
5
6
5
6
6
7
8
6
8
7
9
12
14
15
11
14
16
18
19
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
68
83
83
81
85
89
88
93
88
93
88
87
82
77
74
72
85
79
75
74
77
79
81

Pressure (mb)

1024
1024
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1020
1020
1019
1018
1017
1016
1015
1014
1013
1012
1010

Ozone (du)

306
304
303
301
299
296
283
283
284
285
286
286
284
287
283
282
287
281
280
280
279
278
278
278

Sunday 16

Waxing Gibbous 53%

12:49

00:09

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 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good

Sun - Rise: 08:16, Set: 15:47, Transit: 12:01. Moon - Rise: 12:49, Set: 00:09. Civil Dark: 16:29 - 07:33. Nautical Dark: 17:15 - 06:48. Astro Dark: 17:57 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
99
94
80
30
3
1
2
2
1
1
6
18
13

Low Clouds (% Sky Obscured)

100
63
100
97
100
100
100
100
100
100
98
99
71
8
4
2
1
1
1
1
1
0
0
2

Medium Clouds (% Sky Obscured)

100
80
100
100
99
100
100
29
2
38
77
92
94
77
13
1
1
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
0
0
0
0
0
6
38
25
1
0
1
0
0
0
5
17
10

ISS Passover

Visibility (miles)

7
5
3
1
1
2
2
3
4
5
5
4
5
7
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
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

Precipitation Probability (%)

24
31
41
52
59
66
66
66
60
62
58
51
47
33
24
9
6
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.44
0.48
0.54
0.6
0.64
0.67
0.71
0.82
0.98
1.01
0.73
0.38
0.18
0.09
0.05
0.02
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

22
22
23
23
23
23
23
22
21
20
22
25
26
22
19
17
17
15
13
12
11
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
87
88
87
86
85
87
88
87
84
80
78
78
81
72
80
80
81
83
84
85
84
82

Pressure (mb)

1009
1007
1005
1003
1001
999
996
994
992
991
991
992
993
995
996
998
999
1001
1002
1003
1003
1004
1004
1004

Ozone (du)

277
277
277
278
279
282
286
294
304
312
317
320
322
322
321
321
321
321
321
320
318
318
318
320

Monday 17

Waxing Gibbous 63%

13:07

01:19

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

Sun - Rise: 08:16, Set: 15:47, Transit: 12:01. Moon - Rise: 13:07, Set: 01:19. Civil Dark: 16:29 - 07:34. Nautical Dark: 17:15 - 06:48. Astro Dark: 17:57 - 06:06

Total Clouds (% Sky Obscured)

91
100
100
99
100
99
99
100
100
81
12
2
3
13
27
51
52
3
1
2
59
12
41
0

Low Clouds (% Sky Obscured)

50
69
18
6
2
23
43
100
100
16
3
2
3
2
1
1
2
3
1
2
2
1
0
0

Medium Clouds (% Sky Obscured)

1
64
82
96
96
95
95
94
79
31
2
0
0
0
16
7
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

88
100
99
97
99
98
98
100
97
76
9
0
0
11
25
48
51
0
0
0
59
10
41
0

ISS Passover

Visibility (miles)

10
10
10
10
10
6
3
2
3
5
7
9
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
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
10
25
37
34
24
19
15
11
10
8
6
4
5
5
5
4
4
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.02
0.11
0.21
0.24
0.24
0.24
0.25
0.27
0.28
0.18
0.08
0.03
0.03
0.05
0.06
0.04
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
4
4
3
3
3
3
3
3
2
2
2
2
2
3
3
2
2
2
2
2
2
3

Relative Humidity (%)

81
82
83
86
88
89
90
90
90
90
90
88
86
83
82
81
82
83
85
85
85
85
82
80

Pressure (mb)

1004
1004
1004
1004
1004
1005
1005
1005
1006
1006
1006
1006
1007
1007
1007
1008
1008
1009
1010
1011
1012
1013
1014
1014

Ozone (du)

321
321
321
322
327
333
338
339
338
336
333
330
326
321
314
309
306
303
302
301
301
300
299
296

Tuesday 18

Waxing Gibbous 73%

13:26

02:31

12 Good
13 OK
14 Good
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: 08:17, Set: 15:47, Transit: 12:02. Moon - Rise: 13:26, Set: 02:31. Civil Dark: 16:30 - 07:34. Nautical Dark: 17:15 - 06:49. Astro Dark: 17:58 - 06:06

Total Clouds (% Sky Obscured)

0
41
12
98
100
100
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
1
3
13
4
4
4
4
4
4
99
99
99
99
99
99
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
41
11
15
23
59
5
5
5
5
5
5
3
3
3
3
3
3
27
27
27
27
27
27

High Clouds (% Sky Obscured)

0
0
0
98
100
100
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100

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
Very Light Rain
Very Light Rain
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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
5
6
6
5
4
4
4
5
9
13
15
16
15
9
9
12
13
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
10
9
9
9
11
12
12
13
14
15
16
16
17
17
18
18
19
20
21
21
22
23
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
4
3
3
3
3
4
4
5
6
6
6
6
7
10
10
10
6
6
6
5

Dew Point (°C)

3
4
4
4
4
4
4
4
4
5
5
6
7
7
7
7
7
8
8
8
7
7
7
7

Relative Humidity (%)

79
80
80
81
82
83
83
83
84
85
85
86
85
85
84
84
84
84
84
84
85
85
84
83

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1012
1012
1011
1011
1010
1010
1009
1008
1007
1007

Ozone (du)

294
291
287
284
282
281
280
280
281
281
281
281
281
280
278
276
274
272
271
270
270
270
269
268

Wednesday 19

Waxing Gibbous 82%

13:45

03:46

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 OK
04 OK
05 Good
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:18, Set: 15:47, Transit: 12:02. Moon - Rise: 13:45, Set: 03:46. Civil Dark: 16:30 - 07:35. Nautical Dark: 17:15 - 06:50. Astro Dark: 17:58 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
63
63
63
63
63
63

Low Clouds (% Sky Obscured)

78
78
78
78
78
78
100
100
100
100
100
100
0
0
0
0
0
0
2
2
2
2
2
2

Medium Clouds (% Sky Obscured)

99
99
99
99
99
99
100
100
100
100
100
100
0
0
0
0
0
0
11
11
11
11
11
11

High Clouds (% Sky Obscured)

99
99
99
99
99
99
100
100
100
100
100
100
0
0
0
0
0
0
61
61
61
61
61
61

ISS Passover

Visibility (miles)

10
10
7
3
2
2
2
2
2
2
2
1
1
1
1
2
6
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

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

Precipitation Probability (%)

18
20
21
39
56
64
69
75
79
79
79
77
71
58
37
20
12
8
6
5
4
0
0
7

Precipitation Amount (mm)

0.03
0.07
0.16
0.27
0.35
0.43
0.52
0.65
0.82
0.94
1.02
1.05
0.96
0.66
0.34
0.16
0.07
0.04
0.04
0.02
0.01
0
0
0.02

Wind Speed/Direction (mph)

24
24
25
24
24
24
23
22
20
19
17
15
13
13
13
13
12
11
10
9
9
10
10
11

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
9
9
8
8
8
9
9
9
8
8
8
8
7
7
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
79
78
78
80
81
82
82
84
85
86
86
86
84
83
83
83
83
82
80
80
78
78

Pressure (mb)

1006
1005
1004
1003
1002
1002
1001
1001
1001
1001
1001
1000
1000
1000
1001
1001
1002
1003
1004
1004
1005
1006
1006
1007

Ozone (du)

266
265
264
264
264
264
266
267
269
272
274
278
283
292
304
316
328
340
352
362
372
379
383
385

Thursday 20

Waxing Gibbous 89%

14:08

05:03

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: 08:18, Set: 15:48, Transit: 12:03. Moon - Rise: 14:08, Set: 05:03. Civil Dark: 16:30 - 07:36. Nautical Dark: 17:16 - 06:50. Astro Dark: 17:58 - 06:07

Total Clouds (% Sky Obscured)

59
59
59
59
59
59
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

55
55
55
55
55
55
81
81
81
81
81
81
98
98
98
98
98
98
96
96
96
96
96
96

Medium Clouds (% Sky Obscured)

2
2
2
2
2
2
78
78
78
78
78
78
34
34
34
34
34
34
30
30
30
30
30
30

High Clouds (% Sky Obscured)

6
6
6
6
6
6
99
99
99
99
99
99
95
95
95
95
95
95
44
44
44
44
44
44

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
7
4
3
3
3
3
4
4
3
3
3
4
6
8
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

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

Precipitation Probability (%)

8
7
0
0
0
5
6
6
14
24
24
16
14
15
20
23
21
17
16
16
15
10
8
9

Precipitation Amount (mm)

0.03
0.02
0
0
0
0.01
0.02
0.03
0.06
0.09
0.1
0.08
0.07
0.07
0.08
0.08
0.08
0.08
0.08
0.06
0.04
0.03
0.02
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
81
82
82
83
83
83
83
84
84
83
83
83
82
81
80
80
80
80
81
82
82
81
80

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1010
1010

Ozone (du)

385
385
384
381
376
370
364
361
360
359
360
363
364
364
363
362
361
360
359
359
360
361
363
365

Friday 21

Waxing Gibbous 95%

14:35

06:22

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: 08:19, Set: 15:48, Transit: 12:03. Moon - Rise: 14:35, Set: 06:22. Civil Dark: 16:31 - 07:36. Nautical Dark: 17:16 - 06:51. Astro Dark: 17:59 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
83
83
83
83
83
83
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
83
83
83
83
83
83
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

12
12
12
12
12
12
0
0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
7
7
7
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

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

Precipitation Probability (%)

10
8
6
0
0
0
0
0
0
0
0
0
0
0
0
0
13
32
60
70
74
73
62
51

Precipitation Amount (mm)

0.04
0.03
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.1
0.23
0.33
0.44
0.49
0.47
0.58

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
79
79
81
83
84
84
84
84
84
84
83
82
80
79
79
80
81
83
85
84
84
82

Pressure (mb)

1010
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1011
1010
1009
1008
1006
1005
1004
1003
1003
1002
1001

Ozone (du)

365
359
351
343
336
329
322
314
305
297
291
286
281
277
274
272
270
268
268
268
269
271
273
276

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

Generated: 15/12/18 05:04:44. Forecast: 15/12/18 to 21/12/18. Timezone: UTC+0.00