Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Crescent 14%

03:12

18:08

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

Sun - Rise: 06:09, Set: 20:27, Transit: 13:17. Moon - Rise: 03:12, Set: 18:08. Civil Dark: 21:03 - 05:33. Nautical Dark: 21:49 - 04:48. Astro Dark: 22:42 - 03:56

Total Clouds (% Sky Obscured)

59
60
55
63
33
46
41
88
90
67
46
48
42
32
38
34
20
21
34
33
58
21
31
44

Low Clouds (% Sky Obscured)

45
43
32
40
22
28
23
16
6
9
34
46
39
31
33
30
19
20
31
27
22
18
14
23

Medium Clouds (% Sky Obscured)

38
56
26
34
23
38
33
21
32
62
25
16
17
14
19
15
2
3
15
23
54
10
28
41

High Clouds (% Sky Obscured)

0
12
31
36
7
1
2
84
86
12
11
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

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

Precipitation Probability (%)

0
6
8
3
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
3.64
1.17
0.09
0.08
0.06
0.04
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
17
18
19
20
20
20
20
19
18
17
17
16
15
15
14
12
12
10
11
11
12
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
11
11
11

Relative Humidity (%)

80
69
69
67
66
63
62
63
65
67
71
74
77
80
81
82
82
81
83
86
86
83
78
73

Pressure (mb)

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

Ozone (du)

353
363
370
370
367
363
358
354
350
348
348
347
346
346
345
346
346
346
345
342
341
339
338
336

Saturday 19

Waning Crescent 7%

04:22

19:00

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

Sun - Rise: 06:10, Set: 20:25, Transit: 13:17. Moon - Rise: 04:22, Set: 19:00. Civil Dark: 21:01 - 05:35. Nautical Dark: 21:46 - 04:50. Astro Dark: 22:38 - 03:58

Total Clouds (% Sky Obscured)

34
26
36
33
27
30
48
62
98
81
41
37
22
99
56
25
50
86
61
97
94
79
100
98

Low Clouds (% Sky Obscured)

28
26
35
33
27
30
43
58
91
13
5
3
1
1
2
1
1
0
3
18
15
25
17
6

Medium Clouds (% Sky Obscured)

23
3
3
3
0
0
0
0
0
0
0
27
21
20
14
14
17
18
18
42
62
76
100
98

High Clouds (% Sky Obscured)

0
0
1
0
0
0
9
8
85
78
38
13
0
99
48
13
41
83
56
96
91
1
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
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
2
5
5
4
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.05
0.09
0.08
0.07
0.09

Wind Speed/Direction (mph)

15
15
16
16
16
16
15
14
13
12
10
9
8
8
8
7
6
6
5
5
5
6
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
66
64
64
63
61
59
59
61
64
68
72
74
76
77
77
77
78
80
83
85
84
82
81

Pressure (mb)

1020
1021
1021
1021
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1023
1023

Ozone (du)

333
329
325
322
320
318
316
313
312
311
311
310
309
308
306
304
302
300
299
298
297
296
294
292

Sunday 20

Waning Crescent 2%

05:35

19:43

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: 06:12, Set: 20:23, Transit: 13:17. Moon - Rise: 05:35, Set: 19:43. Civil Dark: 20:59 - 05:36. Nautical Dark: 21:44 - 04:52. Astro Dark: 22:35 - 04:01

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

84
100
100
100
100
100
100
100
98
100
96
98
99
99
99
99
99
98
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

94
100
99
81
68
78
100
80
62
64
86
57
85
93
69
77
13
0
8
18
38
38
38
38

High Clouds (% Sky Obscured)

0
59
62
68
12
0
0
0
1
19
3
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
8
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
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
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
17
18
18
17
16
12
6
3
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0

Precipitation Amount (mm)

0.13
0.23
0.33
0.35
0.33
0.28
0.2
0.12
0.07
0.04
0.03
0.03
0.03
0.04
0.04
0.04
0.03
0.03
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
85
85
83
80
79
78
79
81
84
86
87
88
88
87
87
86
86
88
90
89
85
81

Pressure (mb)

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

Ozone (du)

291
289
288
288
288
289
289
288
288
288
288
288
288
288
287
287
286
285
285
284
284
283
283
283

Monday 21

New Moon 0%

06:50

20:19

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

Sun - Rise: 06:13, Set: 20:21, Transit: 13:17. Moon - Rise: 06:50, Set: 20:19. Civil Dark: 20:57 - 05:38. Nautical Dark: 21:41 - 04:54. Astro Dark: 22:32 - 04:03

Total Clouds (% Sky Obscured)

100
100
89
89
89
89
89
89
52
52
52
52
52
52
31
31
31
31
31
31
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
89
89
89
89
89
89
51
51
51
51
51
51
19
19
19
19
19
19
100
100
100
100

Medium Clouds (% Sky Obscured)

38
38
3
3
3
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
13
13
13
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
3
3
3
3
3
16
16
16
16
16
16
73
73
73
73

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
8
5
5
5
5
5
5
5
9
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
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)

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

Chance of Frost

Temperature (°C)

21
21
22
22
23
23
23
23
22
21
19
18
18
17
17
17
17
17
17
16
16
16
18
20

Feels Like (°C)

21
22
22
22
23
23
24
23
22
21
20
18
18
17
17
17
17
17
17
16
16
17
18
20

Dew Point (°C)

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

Relative Humidity (%)

77
73
72
71
70
68
68
70
74
79
84
87
87
85
84
82
80
80
83
90
96
96
92
86

Pressure (mb)

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

Ozone (du)

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

Tuesday 22

Waxing Crescent 1%

08:04

20:50

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Good
20 Good
21 Good
22 OK
23 OK
00 Good
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: 20:19, Transit: 13:16. Moon - Rise: 08:04, Set: 20:50. Civil Dark: 20:55 - 05:40. Nautical Dark: 21:39 - 04:56. Astro Dark: 22:29 - 04:06

Total Clouds (% Sky Obscured)

100
100
93
93
93
93
93
93
17
17
17
17
17
17
97
97
97
97
97
97
98
98
98
98

Low Clouds (% Sky Obscured)

100
100
70
70
70
70
70
70
14
14
14
14
14
14
1
1
1
1
1
1
7
7
7
7

Medium Clouds (% Sky Obscured)

13
13
47
47
47
47
47
47
0
0
0
0
0
0
2
2
2
2
2
2
11
11
11
11

High Clouds (% Sky Obscured)

73
73
65
65
65
65
65
65
3
3
3
3
3
3
97
97
97
97
97
97
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
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
11
12
12
11
10
9
8
6
5
5
5
5
6
8
7
7
9
8
8
9
9
10
12

Chance of Frost

Temperature (°C)

21
21
22
22
22
23
23
22
22
20
19
17
17
17
17
17
17
17
16
16
15
15
16
17

Feels Like (°C)

21
22
22
22
23
23
23
23
22
20
19
18
17
17
17
17
17
17
16
16
15
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

82
77
74
72
70
67
67
69
72
78
85
90
90
87
85
82
80
78
78
80
82
81
78
74

Pressure (mb)

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

Ozone (du)

285
284
284
285
285
285
286
287
288
289
289
290
290
291
292
293
294
296
297
299
301
303
305
306

Wednesday 23

Waxing Crescent 4%

09:16

21:17

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: 06:16, Set: 20:17, Transit: 13:16. Moon - Rise: 09:16, Set: 21:17. Civil Dark: 20:53 - 05:41. Nautical Dark: 21:36 - 04:58. Astro Dark: 22:26 - 04:08

Total Clouds (% Sky Obscured)

98
98
52
52
52
52
52
52
88
88
88
88
88
88
64
64
64
64
64
64
98
98
98
98

Low Clouds (% Sky Obscured)

7
7
16
16
16
16
16
16
3
3
3
3
3
3
2
2
2
2
2
2
1
1
1
1

Medium Clouds (% Sky Obscured)

11
11
40
40
40
40
40
40
20
20
20
20
20
20
39
39
39
39
39
39
33
33
33
33

High Clouds (% Sky Obscured)

98
98
13
13
13
13
13
13
85
85
85
85
85
85
50
50
50
50
50
50
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
70
69
69
68
66
64
65
68
72
76
80
83
86
87
87
87
87
87
89
91
89
84
80

Pressure (mb)

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

Ozone (du)

305
304
303
302
301
301
300
300
300
300
300
301
302
303
304
304
304
304
304
304
305
306
307
308

Thursday 24

Waxing Crescent 10%

10:25

21:42

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

Sun - Rise: 06:18, Set: 20:15, Transit: 13:16. Moon - Rise: 10:25, Set: 21:42. Civil Dark: 20:50 - 05:43. Nautical Dark: 21:34 - 05:00. Astro Dark: 22:23 - 04:11

Total Clouds (% Sky Obscured)

98
98
96
96
96
96
96
96
25
25
25
25
25
25
45
45
45
45
45
45
91
91
91
91

Low Clouds (% Sky Obscured)

1
1
8
8
8
8
8
8
0
0
0
0
0
0
33
33
33
33
33
33
80
80
80
80

Medium Clouds (% Sky Obscured)

33
33
13
13
13
13
13
13
24
24
24
24
24
24
34
34
34
34
34
34
34
34
34
34

High Clouds (% Sky Obscured)

98
98
95
95
95
95
95
95
2
2
2
2
2
2
6
6
6
6
6
6
67
67
67
67

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 (%)

0
0
0
0
1
1
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
0.03
0.03
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
74
72
70
68
66
64
65
67
70
75
79
82
84
85
85
85
85
86
89
90
87
81
77

Pressure (mb)

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

Ozone (du)

309
310
310
311
311
311
311
310
310
310
310
310
311
311
311
310
310
309
309
309
309
309
310
309

Forecast for Exeter, Devon, UK (50.72,-3.53)

Generated: 18/08/17 11:54:32. Forecast: 18/08/17 to 24/08/17. Timezone: UTC+1.00