Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Crescent 14%

03:15

18:14

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

Sun - Rise: 06:12, Set: 20:32, Transit: 13:21. Moon - Rise: 03:15, Set: 18:14. Civil Dark: 21:08 - 05:36. Nautical Dark: 21:54 - 04:50. Astro Dark: 22:48 - 03:58

Total Clouds (% Sky Obscured)

49
63
73
32
26
22
74
90
73
60
46
30
27
19
16
4
11
23
23
16
18
41
31
4

Low Clouds (% Sky Obscured)

15
31
44
23
25
21
14
10
9
39
27
25
20
16
12
3
9
19
16
14
16
13
21
4

Medium Clouds (% Sky Obscured)

18
9
27
22
13
11
24
20
63
31
37
15
15
10
9
2
3
13
13
6
6
37
25
2

High Clouds (% Sky Obscured)

41
47
56
0
0
0
65
87
30
24
1
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

Precipitation Type

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

Precipitation Probability (%)

21
27
30
27
21
14
7
4
3
3
4
5
5
7
7
4
2
2
2
2
3
2
2
1

Precipitation Amount (mm)

0.32
2.05
1.08
0.53
0.34
0.21
0.14
0.1
0.08
0.08
0.1
0.12
0.13
0.15
0.17
0.12
0.08
0.07
0.07
0.08
0.1
0.08
0.06
0.05

Wind Speed/Direction (mph)

21
23
24
25
26
27
28
29
29
29
28
27
26
25
24
22
21
20
20
21
21
21
20
20

Chance of Frost

Temperature (°C)

17
16
16
15
15
16
16
16
16
16
16
15
15
15
15
15
15
15
15
15
15
15
15
16

Feels Like (°C)

17
16
16
15
15
16
16
16
16
16
16
15
15
15
15
15
15
15
15
15
15
15
15
16

Dew Point (°C)

13
11
11
11
11
11
11
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
11

Relative Humidity (%)

80
72
73
75
76
75
73
73
74
77
79
81
81
81
81
81
80
80
81
82
83
81
78
74

Pressure (mb)

1013
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020

Ozone (du)

364
369
371
368
363
358
356
354
352
350
348
346
346
347
347
346
345
344
342
341
339
337
335
333

Saturday 19

Waning Crescent 7%

04:25

19:05

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

Sun - Rise: 06:14, Set: 20:30, Transit: 13:21. Moon - Rise: 04:25, Set: 19:05. Civil Dark: 21:06 - 05:38. Nautical Dark: 21:52 - 04:52. Astro Dark: 22:44 - 04:00

Total Clouds (% Sky Obscured)

17
27
38
16
24
56
67
89
95
58
40
60
36
100
70
64
98
65
79
99
99
100
91
100

Low Clouds (% Sky Obscured)

17
27
38
16
24
56
64
21
78
46
40
60
34
21
8
4
10
2
60
87
66
44
10
100

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
7
0
1
1
1
1
5
43
2
30
66
97
100
91
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
9
87
80
23
0
0
3
100
66
61
95
62
66
98
87
58
5
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
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
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
7
18
25
25
24
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.06
0.1
0.11
0.2
0.3
0.27
0.28
0.35

Wind Speed/Direction (mph)

19
19
19
19
20
20
19
18
17
16
15
15
13
13
12
11
11
11
11
11
11
12
14
15

Chance of Frost

Temperature (°C)

17
17
16
16
16
16
16
16
16
16
15
15
15
15
15
15
15
16
16
16
15
16
16
16

Feels Like (°C)

17
17
16
16
16
16
16
16
16
16
15
15
15
15
15
15
15
16
16
16
15
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

72
71
72
74
74
73
71
70
71
73
74
75
75
76
76
77
77
77
78
81
84
85
85
85

Pressure (mb)

1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1021

Ozone (du)

330
327
323
321
319
317
315
313
312
311
311
310
309
307
305
303
301
300
299
298
297
295
293
291

Sunday 20

Waning Crescent 2%

05:39

19:48

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
10 Bad

Sun - Rise: 06:15, Set: 20:28, Transit: 13:21. Moon - Rise: 05:39, Set: 19:48. Civil Dark: 21:04 - 05:39. Nautical Dark: 21:49 - 04:55. Astro Dark: 22:41 - 04:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
55
45
37
95
97
90
88
60
70
48
75
92
68
79
16
6
7
17
55
91
91
91
91

High Clouds (% Sky Obscured)

44
70
72
63
0
0
0
0
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
7
6
6
7
7
6
5
4
5
5
6
7
7
8
8
7
7
7
7
6
8
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
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
19
13
11
12
13
12
10
9
6
3
2
2
3
4
4
3
2
1
1
1
1
1
0

Precipitation Amount (mm)

0.32
0.24
0.19
0.17
0.18
0.19
0.18
0.17
0.15
0.11
0.07
0.06
0.05
0.07
0.09
0.09
0.07
0.06
0.04
0.04
0.04
0.03
0.03
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
18
18
18
17
17
18
18
18
18
18
18
18
18
17
17
16
17
17

Feels Like (°C)

17
17
17
17
17
18
18
18
18
18
18
18
18
18
18
18
18
18
18
17
17
17
17
18

Dew Point (°C)

14
15
15
15
16
16
16
16
16
16
16
16
16
16
16
16
16
16
15
15
15
15
15
15

Relative Humidity (%)

85
86
88
90
92
91
91
92
93
94
94
93
91
90
89
88
88
87
87
89
92
92
91
88

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

290
289
289
289
289
289
289
288
288
288
288
288
288
288
288
287
287
286
285
285
285
284
284
284

Monday 21

New Moon 0%

06:54

20:24

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
10 Bad

Sun - Rise: 06:17, Set: 20:26, Transit: 13:21. Moon - Rise: 06:54, Set: 20:24. Civil Dark: 21:02 - 05:41. Nautical Dark: 21:47 - 04:57. Astro Dark: 22:38 - 04:06

Total Clouds (% Sky Obscured)

100
100
99
99
99
99
99
99
52
52
52
52
52
52
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
99
99
99
99
99
99
50
50
50
50
50
50
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

91
91
3
3
3
3
3
3
2
2
2
2
2
2
0
0
0
0
0
0
8
8
8
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
2
2
2
2
2
24
24
24
24
24
24
80
80
80
80

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
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
9
9
9
8
8
7
6
5
4
4
4
5
7
8
9
9
9
10
11
11
11
11
11

Chance of Frost

Temperature (°C)

18
19
19
19
19
19
19
19
19
19
18
18
18
18
18
18
18
18
18
17
17
17
18
19

Feels Like (°C)

18
19
19
19
19
19
20
19
19
19
18
18
18
18
18
18
18
18
18
17
17
17
19
20

Dew Point (°C)

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

Relative Humidity (%)

85
83
83
83
84
82
81
82
83
88
89
89
87
87
86
85
84
83
82
83
85
87
87
85

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1020
1019
1020
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1015
1015

Ozone (du)

284
284
284
284
284
284
285
285
285
285
286
286
286
286
286
286
286
286
286
286
285
285
285
285

Tuesday 22

Waxing Crescent 1%

08:08

20:54

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 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:18, Set: 20:24, Transit: 13:20. Moon - Rise: 08:08, Set: 20:54. Civil Dark: 21:00 - 05:43. Nautical Dark: 21:44 - 04:59. Astro Dark: 22:35 - 04:08

Total Clouds (% Sky Obscured)

100
100
93
93
93
93
93
93
25
25
25
25
25
25
99
99
99
99
99
99
98
98
98
98

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)

8
8
55
55
55
55
55
55
0
0
0
0
0
0
14
14
14
14
14
14
29
29
29
29

High Clouds (% Sky Obscured)

80
80
89
89
89
89
89
89
25
25
25
25
25
25
99
99
99
99
99
99
97
97
97
97

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
2
4
4
3
2
1
0
0
0
0
0
0
2
4
3
1
0
0
1
1
1
1
2

Precipitation Amount (mm)

0
0.07
0.13
0.13
0.1
0.07
0.05
0
0
0
0
0
0
0.06
0.09
0.08
0.04
0
0
0.03
0.03
0.04
0.04
0.05

Wind Speed/Direction (mph)

11
11
11
11
10
10
10
10
10
10
11
11
12
12
13
14
15
15
15
15
15
15
15
15

Chance of Frost

Temperature (°C)

20
21
21
21
21
21
21
20
19
18
18
17
17
18
18
17
17
17
17
17
16
16
16
17

Feels Like (°C)

21
21
21
21
21
21
21
20
20
19
18
18
17
18
18
17
17
17
17
17
16
16
16
17

Dew Point (°C)

17
17
17
17
17
17
17
17
16
16
16
15
15
15
14
14
14
13
13
13
13
13
13
13

Relative Humidity (%)

82
79
78
79
78
78
78
80
83
86
88
88
86
84
82
81
80
79
80
82
84
84
82
79

Pressure (mb)

1015
1014
1014
1013
1013
1013
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015

Ozone (du)

285
285
286
286
286
287
287
288
288
289
290
292
293
294
295
297
299
302
304
307
309
310
311
311

Wednesday 23

Waxing Crescent 4%

09:20

21:21

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

Sun - Rise: 06:20, Set: 20:22, Transit: 13:20. Moon - Rise: 09:20, Set: 21:21. Civil Dark: 20:57 - 05:45. Nautical Dark: 21:42 - 05:01. Astro Dark: 22:32 - 04:11

Total Clouds (% Sky Obscured)

98
98
45
45
45
45
45
45
25
25
25
25
25
25
54
54
54
54
54
54
98
98
98
98

Low Clouds (% Sky Obscured)

0
0
2
2
2
2
2
2
0
0
0
0
0
0
6
6
6
6
6
6
9
9
9
9

Medium Clouds (% Sky Obscured)

29
29
10
10
10
10
10
10
13
13
13
13
13
13
43
43
43
43
43
43
33
33
33
33

High Clouds (% Sky Obscured)

97
97
38
38
38
38
38
38
16
16
16
16
16
16
26
26
26
26
26
26
98
98
98
98

ISS Passover

Visibility (miles)

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 (%)

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

Precipitation Amount (mm)

0.05
0.04
0.04
0.04
0.04
0.03
0
0
0
0
0.04
0.08
0.07
0.06
0.05
0.05
0.08
0.11
0.11
0.09
0.07
0.05
0.03
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
18
17
17
17
18
18
17
17
17
16
16
16
16
16
16
16
16
16
16
16
17
17

Feels Like (°C)

17
18
18
17
17
17
18
18
17
17
17
16
16
16
16
16
16
16
16
16
16
16
17
17

Dew Point (°C)

13
13
13
13
13
13
13
13
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14

Relative Humidity (%)

77
76
76
78
79
78
76
77
78
81
84
85
86
86
86
86
86
85
86
88
89
87
85
82

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016

Ozone (du)

309
307
304
303
302
301
300
300
300
300
300
301
302
304
306
306
305
305
306
307
308
309
311
312

Thursday 24

Waxing Crescent 10%

10:29

21:46

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 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:21, Set: 20:20, Transit: 13:20. Moon - Rise: 10:29, Set: 21:46. Civil Dark: 20:55 - 05:46. Nautical Dark: 21:39 - 05:02. Astro Dark: 22:29 - 04:13

Total Clouds (% Sky Obscured)

98
98
90
90
90
90
90
90
45
45
45
45
45
45
52
52
52
52
52
52
100
100
100
100

Low Clouds (% Sky Obscured)

9
9
0
0
0
0
0
0
0
0
0
0
0
0
31
31
31
31
31
31
100
100
100
100

Medium Clouds (% Sky Obscured)

33
33
14
14
14
14
14
14
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45

High Clouds (% Sky Obscured)

98
98
89
89
89
89
89
89
0
0
0
0
0
0
4
4
4
4
4
4
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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 (%)

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

Precipitation Amount (mm)

0.03
0.04
0.04
0.04
0.03
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
17
17
17
17
17
16
16
16
16
16
16
16
16
16
15
16
16
17

Feels Like (°C)

17
17
17
17
17
17
17
17
17
17
17
16
16
16
16
16
16
16
16
16
15
16
16
17

Dew Point (°C)

14
14
13
13
13
13
13
13
13
13
13
12
12
12
12
12
12
12
12
12
13
13
13
14

Relative Humidity (%)

80
78
79
80
80
78
77
77
78
79
78
77
77
77
77
77
77
77
78
81
83
83
82
80

Pressure (mb)

1016
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

313
313
313
312
312
311
310
310
310
310
310
311
311
310
310
310
309
309
309
309
309
310
310
309

Forecast for Hartland, Devon, UK (50.99,-4.53)

Generated: 18/08/17 11:53:45. Forecast: 18/08/17 to 24/08/17. Timezone: UTC+1.00