Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Crescent 14%

03:14

18:09

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

Sun - Rise: 06:11, Set: 20:29, Transit: 13:19. Moon - Rise: 03:14, Set: 18:09. Civil Dark: 21:05 - 05:35. Nautical Dark: 21:50 - 04:50. Astro Dark: 22:42 - 03:58

Total Clouds (% Sky Obscured)

48
57
56
78
40
56
34
85
73
21
36
95
81
46
41
36
26
26
34
29
51
38
48
63

Low Clouds (% Sky Obscured)

42
41
41
70
31
51
31
17
26
13
29
95
81
45
40
35
26
23
32
23
38
33
18
56

Medium Clouds (% Sky Obscured)

22
44
14
11
27
42
19
38
67
18
16
12
20
11
16
11
1
10
15
18
40
16
43
38

High Clouds (% Sky Obscured)

0
20
29
30
1
0
0
77
8
2
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

Precipitation Type

Very Light Rain
Light Rain
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
None
None
None
None

Precipitation Probability (%)

19
19
21
19
16
11
5
1
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0

Precipitation Amount (mm)

0.25
1.42
0.62
0.37
0.28
0.21
0.13
0.06
0
0
0
0
0
0
0
0
0.04
0.05
0.05
0.04
0.04
0
0
0

Wind Speed/Direction (mph)

16
17
19
19
20
21
20
20
20
19
18
17
15
15
15
14
13
12
11
11
11
12
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
11
11
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
11
11
11

Relative Humidity (%)

89
84
85
87
86
83
81
81
83
88
92
96
98
100
100
100
99
97
98
99
100
97
92
87

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1019
1019
1020
1020
1021
1021

Ozone (du)

353
363
370
368
363
358
355
352
349
347
346
345
345
345
344
344
343
342
340
338
336
335
334
332

Saturday 19

Waning Crescent 7%

04:24

19:01

11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
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: 06:12, Set: 20:27, Transit: 13:19. Moon - Rise: 04:24, Set: 19:01. Civil Dark: 21:02 - 05:37. Nautical Dark: 21:47 - 04:52. Astro Dark: 22:39 - 04:01

Total Clouds (% Sky Obscured)

41
28
34
32
29
39
46
87
98
40
44
43
41
96
80
68
82
89
45
100
98
100
100
91

Low Clouds (% Sky Obscured)

31
28
31
32
29
39
38
41
89
23
24
25
29
22
8
5
11
13
13
7
17
9
5
58

Medium Clouds (% Sky Obscured)

33
7
1
0
0
0
0
0
1
2
27
17
11
7
5
24
55
50
27
97
93
100
100
88

High Clouds (% Sky Obscured)

0
0
4
0
0
0
13
79
87
21
2
12
9
95
77
59
66
81
27
100
91
6
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
6
4
4
5
5

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
Light Rain

Precipitation Probability (%)

0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
11
21
24
24
23
24

Precipitation Amount (mm)

0
0
0.04
0
0
0
0
0
0
0
0
0
0
0
0
0
0.08
0.14
0.15
0.26
0.38
0.35
0.39
0.53

Wind Speed/Direction (mph)

15
15
16
16
16
16
15
14
13
11
10
9
8
7
7
7
6
6
6
6
7
8
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
80
80
80
80
77
74
74
76
80
84
87
89
91
92
93
92
92
93
96
98
97
95
92

Pressure (mb)

1021
1021
1022
1022
1022
1022
1022
1023
1023
1023
1023
1024
1024
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022

Ozone (du)

329
325
322
319
317
315
313
311
310
309
309
309
307
306
304
302
300
298
297
296
295
293
291
290

Sunday 20

Waning Crescent 2%

05:37

19:44

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: 06:14, Set: 20:25, Transit: 13:18. Moon - Rise: 05:37, Set: 19:44. Civil Dark: 21:00 - 05:38. Nautical Dark: 21:45 - 04:54. Astro Dark: 22:36 - 04:03

Total Clouds (% Sky Obscured)

99
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)

98
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)

93
85
44
24
37
84
75
77
68
64
75
38
80
67
84
48
21
9
49
75
78
78
78
78

High Clouds (% Sky Obscured)

16
74
88
63
0
0
0
0
7
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Light Rain
Light Rain
Light Rain
Light Rain
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
None

Precipitation Probability (%)

24
22
20
18
16
14
13
9
6
4
2
2
2
2
3
2
2
1
1
0
0
0
0
0

Precipitation Amount (mm)

0.64
0.7
0.7
0.6
0.46
0.35
0.26
0.19
0.14
0.1
0.07
0.05
0.05
0.07
0.08
0.07
0.06
0.05
0.03
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
16
16
17
18
18
17
17
16
16
16
16
15
15
15
16
16
15
15
15
16
17

Feels Like (°C)

15
15
16
16
16
17
18
18
18
17
16
16
16
16
16
16
16
16
16
15
15
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

91
93
95
97
96
93
90
91
94
97
100
100
100
100
100
100
99
97
95
96
97
96
91
86

Pressure (mb)

1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

288
288
287
288
288
289
288
288
287
287
287
287
287
287
286
286
285
284
283
283
283
283
283
283

Monday 21

New Moon 0%

06:52

20:20

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 OK
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:15, Set: 20:23, Transit: 13:18. Moon - Rise: 06:52, Set: 20:20. Civil Dark: 20:58 - 05:40. Nautical Dark: 21:42 - 04:56. Astro Dark: 22:33 - 04:06

Total Clouds (% Sky Obscured)

100
100
79
79
79
79
79
79
68
68
68
68
68
68
30
30
30
30
30
30
93
93
93
93

Low Clouds (% Sky Obscured)

100
100
79
79
79
79
79
79
66
66
66
66
66
66
3
3
3
3
3
3
72
72
72
72

Medium Clouds (% Sky Obscured)

78
78
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
29
29
29
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
6
6
6
6
6
6
27
27
27
27
27
27
70
70
70
70

ISS Passover

Visibility (miles)

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

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

Chance of Frost

Temperature (°C)

18
19
19
19
19
20
20
20
19
18
17
16
15
15
15
14
14
14
14
14
14
15
17
19

Feels Like (°C)

18
19
19
19
19
20
20
20
19
18
17
16
15
15
15
14
14
14
14
14
14
15
17
19

Dew Point (°C)

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

Relative Humidity (%)

82
80
81
83
83
81
79
79
81
91
94
95
94
92
91
91
91
91
93
98
100
100
98
93

Pressure (mb)

1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1016
1016
1016
1015

Ozone (du)

283
283
283
283
283
283
283
283
283
284
284
285
285
285
285
285
284
284
284
284
285
285
285
285

Tuesday 22

Waxing Crescent 1%

08:06

20:51

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: 06:17, Set: 20:21, Transit: 13:18. Moon - Rise: 08:06, Set: 20:51. Civil Dark: 20:56 - 05:42. Nautical Dark: 21:40 - 04:58. Astro Dark: 22:30 - 04:08

Total Clouds (% Sky Obscured)

93
93
77
77
77
77
77
77
28
28
28
28
28
28
98
98
98
98
98
98
100
100
100
100

Low Clouds (% Sky Obscured)

72
72
27
27
27
27
27
27
2
2
2
2
2
2
40
40
40
40
40
40
100
100
100
100

Medium Clouds (% Sky Obscured)

29
29
33
33
33
33
33
33
0
0
0
0
0
0
14
14
14
14
14
14
51
51
51
51

High Clouds (% Sky Obscured)

70
70
65
65
65
65
65
65
27
27
27
27
27
27
95
95
95
95
95
95
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
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
1
1
1
1
0
0
0
1
1
1
1
0
0
1
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.08
0.08
0.07
0.05
0
0
0
0.03
0.04
0.03
0.03
0
0
0.03
0.03
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
20
20
20
21
21
20
19
18
16
16
15
15
15
15
14
15
14
14
14
14
15
16

Feels Like (°C)

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

Dew Point (°C)

18
18
17
17
17
17
17
17
17
16
16
15
15
14
14
13
13
13
12
12
12
12
12
13

Relative Humidity (%)

87
83
82
82
81
79
78
80
85
90
96
99
98
95
93
91
90
87
86
88
90
89
87
84

Pressure (mb)

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

Ozone (du)

284
284
284
284
285
285
286
287
288
288
289
289
290
291
292
293
294
296
297
299
300
302
303
304

Wednesday 23

Waxing Crescent 4%

09:17

21:18

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 OK
03 OK
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:18, Set: 20:19, Transit: 13:18. Moon - Rise: 09:17, Set: 21:18. Civil Dark: 20:54 - 05:43. Nautical Dark: 21:37 - 05:00. Astro Dark: 22:27 - 04:11

Total Clouds (% Sky Obscured)

100
100
71
71
71
71
71
71
49
49
49
49
49
49
42
42
42
42
42
42
98
98
98
98

Low Clouds (% Sky Obscured)

100
100
59
59
59
59
59
59
2
2
2
2
2
2
9
9
9
9
9
9
4
4
4
4

Medium Clouds (% Sky Obscured)

51
51
31
31
31
31
31
31
34
34
34
34
34
34
12
12
12
12
12
12
16
16
16
16

High Clouds (% Sky Obscured)

98
98
6
6
6
6
6
6
33
33
33
33
33
33
34
34
34
34
34
34
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 (%)

0
0
1
1
1
1
1
1
1
0
0
0
1
2
2
1
0
0
0
1
2
2
1
1

Precipitation Amount (mm)

0
0
0.03
0.03
0.03
0.03
0.04
0.05
0.04
0
0
0
0.03
0.05
0.06
0.04
0
0
0
0.04
0.07
0.05
0.03
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
13
13
13

Relative Humidity (%)

81
81
82
84
83
81
79
81
84
89
94
97
100
100
100
100
100
100
100
100
100
99
96
91

Pressure (mb)

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

Ozone (du)

303
302
301
300
300
299
299
299
299
299
299
300
300
301
302
302
302
302
302
303
303
304
305
306

Thursday 24

Waxing Crescent 10%

10:27

21:43

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

Sun - Rise: 06:20, Set: 20:16, Transit: 13:17. Moon - Rise: 10:27, Set: 21:43. Civil Dark: 20:51 - 05:45. Nautical Dark: 21:35 - 05:02. Astro Dark: 22:24 - 04:13

Total Clouds (% Sky Obscured)

98
98
48
48
48
48
48
48
27
27
27
27
27
27
34
34
34
34
34
34
100
100
100
100

Low Clouds (% Sky Obscured)

4
4
20
20
20
20
20
20
1
1
1
1
1
1
7
7
7
7
7
7
100
100
100
100

Medium Clouds (% Sky Obscured)

16
16
13
13
13
13
13
13
27
27
27
27
27
27
23
23
23
23
23
23
29
29
29
29

High Clouds (% Sky Obscured)

98
98
32
32
32
32
32
32
1
1
1
1
1
1
17
17
17
17
17
17
15
15
15
15

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

Precipitation Amount (mm)

0.03
0.04
0.04
0.04
0.05
0.05
0.04
0
0
0
0
0
0
0
0
0
0
0
0
0.03
0.04
0.04
0.05
0.04

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
85
85
82
78
76
77
80
85
89
91
93
94
95
95
94
93
92
94
95
94
90
86

Pressure (mb)

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

Ozone (du)

307
308
309
309
310
310
310
309
309
309
309
309
309
309
309
309
308
308
307
307
308
308
308
308

Forecast for Postbridge, Devon, UK (50.59,-3.91)

Generated: 18/08/17 11:36:06. Forecast: 18/08/17 to 24/08/17. Timezone: UTC+1.00