Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 15

First Quarter 63%

13:10

00:13

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

Sun - Rise: 08:12, Set: 15:56, Transit: 12:04. Moon - Rise: 13:10, Set: 00:13. Civil Dark: 16:37 - 07:31. Nautical Dark: 17:21 - 06:47. Astro Dark: 18:03 - 06:06

Total Clouds (% Sky Obscured)

2
10
27
64
56
28
11
0
13
4
2
32
87
98
98
98
100
100
100
100
100
99
99
86

Low Clouds (% Sky Obscured)

2
9
12
2
2
17
10
0
4
0
2
4
7
6
8
6
5
79
32
6
0
13
41
9

Medium Clouds (% Sky Obscured)

0
2
3
21
3
7
1
0
1
1
0
3
6
3
2
70
91
91
96
98
98
96
54
2

High Clouds (% Sky Obscured)

0
1
18
62
55
14
1
0
10
4
1
30
86
98
98
98
100
100
99
99
100
99
98
84

ISS Passover

Visibility (miles)

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

Precipitation Type

None
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
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 (%)

0
54
0
0
0
0
6
6
4
0
0
0
0
0
0
12
17
24
31
33
20
6
2
1

Precipitation Amount (mm)

0
0.24
0
0
0
0
0.01
0.02
0.01
0
0
0
0
0
0
0.01
0.02
0.04
0.07
0.08
0.05
0.02
0.02
0.01

Wind Speed/Direction (mph)

10
12
14
14
12
10
10
9
9
8
8
9
9
9
10
10
9
10
9
8
7
4
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
81
80
81
82
84
86
88
89
91
92
93
93
87
87
88
89
89
88
88
88
88
88

Pressure (mb)

1000
1001
1002
1003
1003
1004
1004
1005
1005
1005
1006
1006
1006
1006
1005
1005
1005
1005
1006
1006
1006
1007
1008
1008

Ozone (du)

332
333
333
333
332
332
333
333
331
329
328
327
326
327
327
329
330
334
339
341
339
336
331
325

Sunday 16

Waxing Gibbous 73%

13:29

01:22

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

Sun - Rise: 08:13, Set: 15:56, Transit: 12:05. Moon - Rise: 13:29, Set: 01:22. Civil Dark: 16:37 - 07:32. Nautical Dark: 17:21 - 06:48. Astro Dark: 18:03 - 06:07

Total Clouds (% Sky Obscured)

8
0
0
0
0
1
0
6
6
47
61
22
3
70
94
100
99
98
97
99
97
96
92
98

Low Clouds (% Sky Obscured)

2
0
0
0
0
1
0
0
1
0
2
2
0
0
2
3
1
8
5
20
27
51
46
41

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
1
0
1
1
1
56
0
0
0
26
50
93
40
14
6
3

High Clouds (% Sky Obscured)

5
0
0
0
0
0
0
6
6
46
60
20
2
32
94
100
99
98
95
94
95
92
88
96

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

Precipitation Probability (%)

3
3
2
0
0
0
0
0
0
0
0
0
0
0
0
10
9
12
15
15
10
5
5
5

Precipitation Amount (mm)

0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.05
0.09
0.12
0.08
0.03
0.01
0.01

Wind Speed/Direction (mph)

4
5
5
6
7
7
6
6
6
6
6
8
10
12
13
14
14
15
16
17
17
18
19
19

Chance of Frost

Temperature (°C)

4
4
4
4
3
3
3
3
2
2
2
3
5
6
7
8
8
9
9
9
10
10
11
11

Feels Like (°C)

3
2
2
1
1
0
0
0
-0
-1
-1
-0
1
3
4
5
5
5
6
6
6
10
11
11

Dew Point (°C)

3
2
2
2
1
1
1
1
0
0
0
2
4
5
6
7
7
7
8
8
8
8
9
9

Relative Humidity (%)

88
87
87
86
86
86
86
86
86
87
89
91
92
92
92
91
90
90
90
90
89
88
87
87

Pressure (mb)

1009
1010
1011
1011
1012
1013
1014
1014
1015
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1014

Ozone (du)

318
312
308
305
302
300
298
297
297
296
295
292
289
286
285
284
285
286
287
288
287
286
285
283

Monday 17

Waxing Gibbous 82%

13:50

02:33

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 08:14, Set: 15:57, Transit: 12:05. Moon - Rise: 13:50, Set: 02:33. Civil Dark: 16:38 - 07:33. Nautical Dark: 17:22 - 06:49. Astro Dark: 18:03 - 06:07

Total Clouds (% Sky Obscured)

99
99
99
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

10
86
30
53
10
95
100
84
71
34
22
24
96
99
100
100
100
100
51
12
12
12
12
12

Medium Clouds (% Sky Obscured)

4
3
9
23
27
92
88
12
92
92
86
99
100
100
100
100
98
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

99
98
99
97
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
9
7
5
3
2
1
1
2
3
5
6
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
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

9
13
15
20
23
17
11
9
7
6
9
18
29
40
51
61
69
74
77
79
73
72
67
56

Precipitation Amount (mm)

0.03
0.04
0.06
0.1
0.13
0.1
0.05
0.02
0.01
0.01
0.02
0.04
0.08
0.15
0.28
0.47
0.64
0.73
0.78
0.8
0.79
0.78
0.71
0.54

Wind Speed/Direction (mph)

20
20
21
21
22
22
22
23
24
25
26
27
27
27
27
27
26
26
25
24
24
23
21
20

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
11
11
10
10
9
9
9
9
9
10
10
10
11
11
11
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
86
85
84
84
84
83
82
81
82
82
84
85
86
86
84
83
81
80
79
80
81
83

Pressure (mb)

1014
1014
1013
1013
1012
1011
1011
1010
1009
1009
1008
1007
1006
1005
1004
1003
1002
1001
1001
1000
1001
1001
1001
1002

Ozone (du)

281
279
277
274
272
272
271
271
270
269
269
270
271
272
273
273
274
276
277
280
287
295
303
311

Tuesday 18

Waxing Gibbous 89%

14:14

03:46

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

Sun - Rise: 08:14, Set: 15:57, Transit: 12:06. Moon - Rise: 14:14, Set: 03:46. Civil Dark: 16:38 - 07:33. Nautical Dark: 17:22 - 06:49. Astro Dark: 18:04 - 06:08

Total Clouds (% Sky Obscured)

100
9
9
9
9
9
9
99
99
99
99
99
99
11
11
11
11
11
11
98
98
98
98
98

Low Clouds (% Sky Obscured)

12
7
7
7
7
7
7
13
13
13
13
13
13
8
8
8
8
8
8
19
19
19
19
19

Medium Clouds (% Sky Obscured)

100
5
5
5
5
5
5
3
3
3
3
3
3
2
2
2
2
2
2
70
70
70
70
70

High Clouds (% Sky Obscured)

98
1
1
1
1
1
1
98
98
98
98
98
98
3
3
3
3
3
3
98
98
98
98
98

ISS Passover

Visibility (miles)

8
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

Light Rain
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
None
None
None

Precipitation Probability (%)

40
28
23
19
14
11
13
18
18
13
9
7
5
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.43
0.41
0.34
0.22
0.13
0.07
0.05
0.05
0.06
0.06
0.05
0.03
0.01
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
16
13
11
10
9
9
9
9
8
8
9
10
11
11
10
10
10
11
11
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1003
1004
1004
1005
1005
1005
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1010
1010
1010
1010

Ozone (du)

320
328
335
341
348
357
368
377
381
382
383
381
378
375
374
374
373
372
372
371
372
373
375
376

Wednesday 19

Waxing Gibbous 95%

14:42

05:03

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 08:15, Set: 15:58, Transit: 12:06. Moon - Rise: 14:42, Set: 05:03. Civil Dark: 16:39 - 07:34. Nautical Dark: 17:23 - 06:50. Astro Dark: 18:04 - 06:08

Total Clouds (% Sky Obscured)

98
96
96
96
96
96
96
97
97
97
97
97
97
88
88
88
88
88
88
38
38
38
38
38

Low Clouds (% Sky Obscured)

19
23
23
23
23
23
23
63
63
63
63
63
63
9
9
9
9
9
9
16
16
16
16
16

Medium Clouds (% Sky Obscured)

70
20
20
20
20
20
20
31
31
31
31
31
31
24
24
24
24
24
24
27
27
27
27
27

High Clouds (% Sky Obscured)

98
94
94
94
94
94
94
92
92
92
92
92
92
84
84
84
84
84
84
11
11
11
11
11

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
0
12
22
22
16
6
0
0
0
5
5
5
5
7
10
13
13
28
43
64

Precipitation Amount (mm)

0
0
0
0
0
0.02
0.12
0.21
0.13
0.03
0
0
0
0.01
0.01
0.01
0.01
0.05
0.12
0.17
0.11
0.07
0.14
0.35

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
85
84
83
82
83
84
84
87
87
85
82
80
80
80
80
82
83
83
82
82
82
83

Pressure (mb)

1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1010

Ozone (du)

377
378
377
375
374
374
373
370
361
349
338
329
321
313
305
298
292
288
284
280
277
273
270
266

Thursday 20

Waxing Gibbous 93%

15:18

06:20

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
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 08:15, Set: 15:58, Transit: 12:07. Moon - Rise: 15:18, Set: 06:20. Civil Dark: 16:39 - 07:34. Nautical Dark: 17:23 - 06:50. Astro Dark: 18:05 - 06:09

Total Clouds (% Sky Obscured)

38
65
65
65
65
65
65
100
100
100
100
100
100
100
100
100
100
100
100
10
10
10
10
10

Low Clouds (% Sky Obscured)

16
3
3
3
3
3
3
1
1
1
1
1
1
100
100
100
100
100
100
10
10
10
10
10

Medium Clouds (% Sky Obscured)

27
0
0
0
0
0
0
98
98
98
98
98
98
100
100
100
100
100
100
0
0
0
0
0

High Clouds (% Sky Obscured)

11
63
63
63
63
63
63
100
100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0

ISS Passover

Visibility (miles)

5
4
4
4
5
4
3
4
7
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

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

Precipitation Probability (%)

79
84
82
74
62
57
47
29
20
17
11
6
0
0
0
0
0
10
18
38
51
64
57
46

Precipitation Amount (mm)

0.75
1.08
1.09
0.9
0.68
0.43
0.21
0.09
0.06
0.06
0.05
0.02
0
0
0
0
0
0.09
0.41
0.84
1.14
1.36
1.34
0.9

Wind Speed/Direction (mph)

19
20
19
18
16
15
14
13
11
9
8
9
10
10
9
7
6
7
8
9
11
13
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1009
1007
1006
1006
1005
1005
1005
1005
1006
1006
1007
1007
1007
1007
1007
1006
1006
1005
1005
1004
1003
1002
1002
1003

Ozone (du)

264
262
262
264
265
266
267
268
270
273
276
279
283
288
292
296
300
304
308
312
314
317
319
321

Friday 21

Waxing Gibbous 99%

16:05

07:36

23 OK
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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 08:16, Set: 15:59, Transit: 12:07. Moon - Rise: 16:05, Set: 07:36. Civil Dark: 16:40 - 07:35. Nautical Dark: 17:24 - 06:51. Astro Dark: 18:05 - 06:09

Total Clouds (% Sky Obscured)

10
94
94
94
94
94
94
97
97
97
97
97
97
86
86
86
86
86
86
98
98
98
98
98

Low Clouds (% Sky Obscured)

10
93
93
93
93
93
93
95
95
95
95
95
95
22
22
22
22
22
22
20
20
20
20
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
60
60
60
60
60
60
16
16
16
16
16
16
16
16
16
16
16

High Clouds (% Sky Obscured)

0
9
9
9
9
9
9
2
2
2
2
2
2
81
81
81
81
81
81
98
98
98
98
98

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

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

Precipitation Probability (%)

18
8
5
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
9
11

Precipitation Amount (mm)

0.39
0.12
0.04
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

323
324
323
322
322
325
328
330
328
325
322
319
317
315
314
313
313
313
314
316
318
320
323
324

Forecast for Worcester, Worcestershire, UK (52.21,-2.22)

Generated: 15/12/18 23:05:31. Forecast: 15/12/18 to 21/12/18. Timezone: UTC+0.00