Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 15

First Quarter 53%

12:58

00:24

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:12, Set: 16:13, Transit: 12:13. Moon - Rise: 12:58, Set: 00:24. Civil Dark: 16:52 - 07:33. Nautical Dark: 17:34 - 06:51. Astro Dark: 18:14 - 06:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
57
20
52
35
41
41
34
37
24
24
34
30
29
22

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
15
20
52
31
34
38
27
25
21
19
23
21
25
19

Medium Clouds (% Sky Obscured)

97
82
100
99
98
100
100
100
100
100
54
0
18
26
27
13
20
23
13
18
26
20
16
13

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
86
0
0
0
0
0
0
0
0
0
0
0
8
0
0

ISS Passover

Visibility (miles)

6
7
7
5
3
2
1
2
3
4
4
5
7
8
10
10
10
10
10
9
9
9
9
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

Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate 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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

100
100
87
90
90
90
91
90
88
82
71
54
43
32
32
34
33
30
28
28
28
27
28
29

Precipitation Amount (mm)

1.39
0.92
1.62
2.42
3.27
3.99
4.69
4.69
3.44
1.99
1.14
0.59
0.23
0.12
0.13
0.18
0.21
0.18
0.18
0.22
0.23
0.24
0.29
0.43

Wind Speed/Direction (mph)

26
26
24
21
20
20
22
21
22
24
26
28
30
31
27
23
21
18
16
13
12
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
6
11
11
12
12
12
13
13
13
12
10
4
4
4
4
4
4
4
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
96
97
99
99
98
97
95
93
92
88
85
88
87
87
87
88
88
89
90
92
92

Pressure (mb)

1008
1007
1006
1005
1004
1002
1001
1000
998
997
996
996
996
997
998
1001
1002
1003
1004
1004
1005
1005
1005
1005

Ozone (du)

278
279
278
276
276
276
278
280
283
287
292
299
308
315
319
322
324
325
325
326
327
328
329
327

Sunday 16

Waxing Gibbous 63%

13:18

01:31

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 OK
22 Bad
23 OK
00 OK
01 OK
02 OK
03 OK
04 Bad

Sun - Rise: 08:13, Set: 16:13, Transit: 12:13. Moon - Rise: 13:18, Set: 01:31. Civil Dark: 16:52 - 07:34. Nautical Dark: 17:34 - 06:52. Astro Dark: 18:14 - 06:12

Total Clouds (% Sky Obscured)

20
91
97
99
99
99
99
100
98
95
34
28
26
38
78
71
42
53
27
23
29
36
23
98

Low Clouds (% Sky Obscured)

15
14
20
31
45
26
41
57
43
31
23
16
16
30
45
49
26
41
23
20
28
31
21
23

Medium Clouds (% Sky Obscured)

9
9
66
93
95
97
94
95
36
45
5
21
20
16
31
20
29
23
14
14
7
12
6
9

High Clouds (% Sky Obscured)

6
90
95
98
99
98
99
100
95
93
16
5
0
10
62
42
19
9
0
0
0
0
0
97

ISS Passover

Visibility (miles)

10
10
10
10
10
10
8
6
5
3
2
2
3
5
9
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
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
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

32
31
23
17
14
19
29
47
60
71
78
69
56
41
26
10
0
0
5
7
6
5
5
4

Precipitation Amount (mm)

0.77
0.97
0.52
0.12
0.08
0.15
0.5
1.04
1.47
1.95
2.13
1.58
0.86
0.45
0.19
0.04
0
0
0.02
0.03
0.03
0.02
0.02
0.02

Wind Speed/Direction (mph)

10
9
9
10
10
12
14
16
17
18
18
18
16
15
17
16
16
15
14
14
13
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

325
324
323
323
323
322
321
320
322
326
328
329
328
326
320
313
307
301
297
296
301
309
314
311

Monday 17

Waxing Gibbous 73%

13:39

02:40

05 Bad
06 OK
07 Bad
08 OK
09 OK
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

Sun - Rise: 08:13, Set: 16:14, Transit: 12:14. Moon - Rise: 13:39, Set: 02:40. Civil Dark: 16:53 - 07:35. Nautical Dark: 17:35 - 06:52. Astro Dark: 18:15 - 06:12

Total Clouds (% Sky Obscured)

46
23
45
19
8
95
100
100
100
100
100
100
100
94
94
94
94
94
94
99
99
99
99
99

Low Clouds (% Sky Obscured)

20
19
19
14
3
5
11
23
38
34
58
100
99
87
87
87
87
87
87
75
75
75
75
75

Medium Clouds (% Sky Obscured)

6
16
9
5
2
2
6
6
10
10
25
100
96
13
13
13
13
13
13
50
50
50
50
50

High Clouds (% Sky Obscured)

33
0
32
6
5
95
100
100
100
100
100
52
91
87
87
87
87
87
87
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

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

5
5
5
5
8
11
15
21
29
36
37
23
13
9
10
13
18
28
38
42
45
46
47
47

Precipitation Amount (mm)

0.03
0.03
0.03
0.02
0.02
0.04
0.08
0.13
0.18
0.29
0.37
0.25
0.11
0.08
0.08
0.08
0.1
0.17
0.3
0.42
0.44
0.41
0.43
0.59

Wind Speed/Direction (mph)

10
9
9
10
11
12
14
16
18
20
21
23
24
25
26
27
25
26
27
28
29
30
30
31

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
88
88
88
88
88
89
91
91
92
92
93
94
94
94
93
93
92
92
91
90
88
87

Pressure (mb)

1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1011
1010
1010
1009
1008
1007
1006

Ozone (du)

305
300
296
293
291
289
287
285
283
281
280
279
279
279
279
280
281
281
280
280
280
280
280
281

Tuesday 18

Waxing Gibbous 82%

14:01

03:52

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:14, Set: 16:14, Transit: 12:14. Moon - Rise: 14:01, Set: 03:52. Civil Dark: 16:53 - 07:35. Nautical Dark: 17:35 - 06:53. Astro Dark: 18:15 - 06:13

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
86
86
86
86
86
86
57
57
57
57
57

Low Clouds (% Sky Obscured)

75
99
99
99
99
99
99
100
100
100
100
100
100
30
30
30
30
30
30
19
19
19
19
19

Medium Clouds (% Sky Obscured)

50
100
100
100
100
100
100
100
100
100
100
100
100
84
84
84
84
84
84
31
31
31
31
31

High Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
45
45
45
45
45

ISS Passover

Visibility (miles)

8
5
7
5
4
5
6
7
2
1
1
1
1
1
1
1
3
6
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
Moderate 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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

49
67
78
82
84
86
87
87
86
84
80
79
77
73
58
35
21
17
18
19
16
13
10
9

Precipitation Amount (mm)

0.91
1.21
1.3
1.34
1.43
1.62
1.96
2.25
2.56
2.17
1.82
1.7
1.65
1.4
0.78
0.26
0.09
0.07
0.07
0.08
0.07
0.06
0.05
0.04

Wind Speed/Direction (mph)

31
30
36
38
39
39
39
38
25
22
24
13
17
17
14
11
9
10
12
13
13
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
91
91
92
92
94
96
92
91
90
91
93
94
93
91
90
90
91
92
91
89
88
88

Pressure (mb)

1005
1004
1003
1002
1001
1000
999
998
1000
1000
999
999
1000
1000
1001
1001
1002
1003
1003
1004
1005
1005
1006
1006

Ozone (du)

282
282
282
281
280
281
283
285
289
293
298
302
307
313
324
337
346
348
346
349
363
380
394
402

Wednesday 19

Waxing Gibbous 89%

14:26

05:07

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:15, Set: 16:14, Transit: 12:15. Moon - Rise: 14:26, Set: 05:07. Civil Dark: 16:53 - 07:36. Nautical Dark: 17:35 - 06:54. Astro Dark: 18:15 - 06:14

Total Clouds (% Sky Obscured)

57
88
88
88
88
88
88
99
99
99
99
99
99
97
97
97
97
97
97
98
98
98
98
98

Low Clouds (% Sky Obscured)

19
20
20
20
20
20
20
41
41
41
41
41
41
37
37
37
37
37
37
88
88
88
88
88

Medium Clouds (% Sky Obscured)

31
22
22
22
22
22
22
84
84
84
84
84
84
24
24
24
24
24
24
18
18
18
18
18

High Clouds (% Sky Obscured)

45
83
83
83
83
83
83
98
98
98
98
98
98
95
95
95
95
95
95
85
85
85
85
85

ISS Passover

Visibility (miles)

10
10
10
6
4
3
4
4
5
5
5
4
4
3
2
2
1
1
1
1
1
1
2
2

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

Precipitation Probability (%)

11
12
13
16
18
14
13
11
10
8
8
13
20
28
28
28
28
37
49
48
48
52
54
53

Precipitation Amount (mm)

0.08
0.12
0.09
0.06
0.07
0.09
0.1
0.1
0.08
0.06
0.06
0.1
0.19
0.3
0.44
0.61
0.71
0.6
0.41
0.31
0.34
0.45
0.55
0.54

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
5
5
5
5
6
6
6
6
5
5
5
6
6
6
6
6
5
5
5
5
5
5

Relative Humidity (%)

87
87
85
85
84
82
80
79
78
78
78
81
84
86
86
86
86
86
86
85
86
87
87
88

Pressure (mb)

1006
1007
1007
1008
1009
1009
1009
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

406
407
405
401
398
397
397
397
394
391
389
390
393
395
394
393
391
388
385
381
378
374
370
365

Thursday 20

Waxing Gibbous 96%

14:57

05:07

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

Sun - Rise: 08:15, Set: 16:15, Transit: 12:15. Moon - Rise: 14:57, Set: 05:07. Civil Dark: 16:54 - 07:36. Nautical Dark: 17:36 - 06:54. Astro Dark: 18:16 - 06:14

Total Clouds (% Sky Obscured)

98
77
77
77
77
77
77
23
23
23
23
23
23
26
26
26
26
26
26
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
73
73
73
73
73
73
14
14
14
14
14
14
13
13
13
13
13
13
2
2
2
2
2

Medium Clouds (% Sky Obscured)

18
16
16
16
16
16
16
17
17
17
17
17
17
24
24
24
24
24
24
0
0
0
0
0

High Clouds (% Sky Obscured)

85
7
7
7
7
7
7
0
0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100

ISS Passover

Visibility (miles)

2
2
1
1
2
4
7
10
10
10
10
10
8
6
9
10
10
10
7
3
2
2
2
1

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

Precipitation Probability (%)

48
42
41
40
35
26
20
17
14
13
11
9
7
7
5
0
15
38
63
77
83
85
86
86

Precipitation Amount (mm)

0.47
0.41
0.35
0.32
0.32
0.29
0.25
0.2
0.15
0.1
0.07
0.05
0.03
0.02
0.01
0
0.02
0.12
0.48
1.03
1.73
2.55
3.04
2.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
5
5
6
7
7
8
8
8
7
6
5
5
5
5
5
5
6
6
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

87
86
85
85
84
82
79
79
78
79
79
82
83
85
85
85
85
87
90
92
92
91
90
90

Pressure (mb)

1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1013
1012
1010
1009
1007
1006
1005

Ozone (du)

360
355
350
345
340
334
327
321
315
310
304
299
294
290
286
282
278
274
270
266
264
262
261
261

Friday 21

Waxing Gibbous 99%

15:34

06:23

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:16, Set: 16:15, Transit: 12:16. Moon - Rise: 15:34, Set: 06:23. Civil Dark: 16:54 - 07:37. Nautical Dark: 17:36 - 06:55. Astro Dark: 18:16 - 06:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
16
16
16
16
16
16
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
100
100
100
100
100
100
100
100
100
100
100
100
5
5
5
5
5
5
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
97
97
97
97
97
0
0
0
0
0
0
2
2
2
2
2

ISS Passover

Visibility (miles)

1
2
6
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9

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
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
Very Light Rain

Precipitation Probability (%)

85
85
67
35
27
24
18
13
13
17
20
24
34
38
32
27
22
29
32
37
35
35
36
33

Precipitation Amount (mm)

2.34
1.69
1.03
0.62
0.52
0.39
0.22
0.13
0.09
0.07
0.06
0.07
0.12
0.17
0.19
0.23
0.31
0.34
0.33
0.29
0.21
0.2
0.25
0.22

Wind Speed/Direction (mph)

14
13
13
13
13
11
13
15
14
17
19
20
21
22
24
25
25
25
25
24
24
23
22
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
90
89
87
84
84
85
84
86
88
89
88
86
85
84
85
85
84
82
81
81

Pressure (mb)

1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1003
1005
1006
1006
1007
1007
1008

Ozone (du)

262
263
264
266
269
274
280
285
290
294
297
298
297
296
292
287
283
282
281
282
283
285
286
288

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

Generated: 15/12/18 05:03:58. Forecast: 15/12/18 to 21/12/18. Timezone: UTC+0.00