Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Crescent 7%

03:05

18:07

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

Sun - Rise: 06:03, Set: 20:26, Transit: 13:14. Moon - Rise: 03:05, Set: 18:07. Civil Dark: 21:02 - 05:27. Nautical Dark: 21:49 - 04:40. Astro Dark: 22:44 - 03:46

Total Clouds (% Sky Obscured)

48
51
89
71
75
59
59
31
66
92
93
45
11
2
1
2
2
1
1
2
3
4
6
11

Low Clouds (% Sky Obscured)

11
29
26
34
26
45
38
20
30
34
45
31
6
0
0
2
2
1
1
2
3
4
5
11

Medium Clouds (% Sky Obscured)

42
31
20
34
34
42
45
23
51
91
91
31
8
1
0
0
0
0
1
0
0
0
1
1

High Clouds (% Sky Obscured)

15
23
84
55
59
11
11
1
43
3
2
6
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
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
4
1
1
2
3
2
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0

Precipitation Amount (mm)

0
0.49
0.08
0.06
0.08
0.09
0.06
0
0
0
0
0
0
0
0
0
0
0
0
0.04
0.06
0.04
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
9
9
9
9
9
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Relative Humidity (%)

65
63
63
64
66
66
64
64
65
69
74
78
81
81
81
79
78
78
79
81
81
77
72
67

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1016
1016
1017
1017
1017
1018
1018
1018

Ozone (du)

352
361
368
370
369
367
362
355
350
349
348
348
348
347
347
347
348
348
348
348
348
348
348
347

Saturday 19

Waning Crescent 7%

04:15

18:59

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

Sun - Rise: 06:05, Set: 20:24, Transit: 13:13. Moon - Rise: 04:15, Set: 18:59. Civil Dark: 21:00 - 05:28. Nautical Dark: 21:46 - 04:42. Astro Dark: 22:40 - 03:49

Total Clouds (% Sky Obscured)

27
51
72
38
51
56
43
81
99
66
25
73
99
99
99
99
99
81
72
78
76
41
79
98

Low Clouds (% Sky Obscured)

27
49
70
38
48
41
41
80
99
42
7
1
6
1
2
8
10
12
13
19
23
38
73
32

Medium Clouds (% Sky Obscured)

3
18
32
6
29
48
31
55
61
14
2
1
3
10
31
2
2
2
0
0
0
1
13
98

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
9
42
19
73
99
99
98
99
99
78
70
73
70
6
14
4

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)

15
16
18
17
17
18
4
6
16
14
13
12
11
10
9
8
8
8
6
6
6
2
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Relative Humidity (%)

63
61
61
61
61
59
59
60
63
67
71
74
77
79
80
79
79
78
79
81
81
78
74
71

Pressure (mb)

1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

345
342
338
334
328
324
321
319
318
317
317
317
315
314
312
310
308
306
304
303
302
301
299
298

Sunday 20

Waning Crescent 2%

05:29

19:42

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: 06:06, Set: 20:21, Transit: 13:13. Moon - Rise: 05:29, Set: 19:42. Civil Dark: 20:58 - 05:30. Nautical Dark: 21:44 - 04:45. Astro Dark: 22:37 - 03:52

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

27
48
58
43
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99

Medium Clouds (% Sky Obscured)

98
96
100
99
100
100
99
99
98
84
98
98
98
98
52
38
17
7
53
70
89
89
89
89

High Clouds (% Sky Obscured)

0
0
0
21
0
2
17
80
28
38
84
90
15
0
5
2
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
9
8
6
4
4
4
4
6
8
9
9
9
9
9
9
9
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
3
4
4
6
17
21
23
23
23
22
20
18
11
7
5
4
3
2
1
0
0
0

Precipitation Amount (mm)

0
0.05
0.08
0.09
0.08
0.1
0.24
0.57
0.85
0.83
0.69
0.58
0.43
0.28
0.18
0.12
0.1
0.09
0.07
0.05
0.03
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
71
74
77
78
78
78
79
81
83
86
88
89
89
89
88
86
86
87
90
92
91
89
86

Pressure (mb)

1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021

Ozone (du)

296
294
291
290
288
287
286
286
286
286
285
285
285
285
286
286
287
287
287
287
286
286
285
284

Monday 21

New Moon 0%

06:45

20:17

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

Sun - Rise: 06:08, Set: 20:19, Transit: 13:13. Moon - Rise: 06:45, Set: 20:17. Civil Dark: 20:56 - 05:32. Nautical Dark: 21:41 - 04:47. Astro Dark: 22:34 - 03:55

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
52
52
52
52
52
52
31
31
31
31
31
31
100
100
100
100

Low Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
37
37
37
37
37
37
31
31
31
31
31
31
100
100
100
100

Medium Clouds (% Sky Obscured)

89
89
16
16
16
16
16
16
19
19
19
19
19
19
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
19
19
19
19
19
19
0
0
0
0
0
0
3
3
3
3

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
100
100
100
100

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
21
21
22
22
23
24
23
22
21
19
18
17
17
17
17
17
17
16
15
15
16
18
20

Dew Point (°C)

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

Relative Humidity (%)

82
79
77
75
71
67
65
66
70
75
82
87
89
89
88
86
84
82
84
88
91
89
84
79

Pressure (mb)

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

Ozone (du)

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

Tuesday 22

Waxing Crescent 1%

07:59

20:47

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: 06:09, Set: 20:17, Transit: 13:13. Moon - Rise: 07:59, Set: 20:47. Civil Dark: 20:53 - 05:34. Nautical Dark: 21:39 - 04:49. Astro Dark: 22:31 - 03:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
52
52
52
52
52
52
98
98
98
98

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
34
34
34
34
34
34
32
32
32
32

Medium Clouds (% Sky Obscured)

0
0
67
67
67
67
67
67
3
3
3
3
3
3
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
3
88
88
88
88
88
88
100
100
100
100
100
100
27
27
27
27
27
27
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 (%)

100
100
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
1
2
3
4
5
4
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.05
0.07
0.1
0.12
0.14
0.13
0.08
0.03
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
10
11
12
12
11
11
10
9
7
7
6
6
7
7
8
9
8
8
10
3
4
11

Chance of Frost

Temperature (°C)

22
23
23
24
24
25
25
25
24
22
20
19
18
17
17
17
17
17
17
16
16
16
17
18

Feels Like (°C)

22
23
24
24
25
25
25
25
24
22
20
19
18
18
17
17
17
17
17
16
16
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

75
72
70
67
64
60
58
59
63
69
76
83
87
88
88
86
84
82
81
82
83
81
76
72

Pressure (mb)

1016
1015
1015
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014

Ozone (du)

284
283
283
284
284
285
285
286
287
288
288
288
289
289
290
292
294
296
299
302
305
308
310
312

Wednesday 23

Waxing Crescent 4%

09:12

21:13

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: 06:11, Set: 20:15, Transit: 13:12. Moon - Rise: 09:12, Set: 21:13. Civil Dark: 20:51 - 05:35. Nautical Dark: 21:36 - 04:51. Astro Dark: 22:27 - 04:00

Total Clouds (% Sky Obscured)

98
98
100
100
100
100
100
100
100
100
100
100
100
100
83
83
83
83
83
83
98
98
98
98

Low Clouds (% Sky Obscured)

32
32
100
100
100
100
100
100
97
97
97
97
97
97
8
8
8
8
8
8
8
8
8
8

Medium Clouds (% Sky Obscured)

0
0
22
22
22
22
22
22
46
46
46
46
46
46
9
9
9
9
9
9
27
27
27
27

High Clouds (% Sky Obscured)

98
98
95
95
95
95
95
95
97
97
97
97
97
97
81
81
81
81
81
81
97
97
97
97

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
1

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
0.04

Wind Speed/Direction (mph)

10
10
13
14
14
15
14
14
13
12
11
10
9
9
9
8
8
8
8
8
8
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
66
66
66
65
64
63
64
67
72
78
83
86
88
89
88
88
87
88
89
90
86
80
75

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

313
313
312
310
306
303
302
302
302
302
302
303
305
307
309
310
311
311
312
313
313
313
313
312

Thursday 24

Waxing Crescent 10%

10:22

21:38

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

Sun - Rise: 06:13, Set: 20:13, Transit: 13:12. Moon - Rise: 10:22, Set: 21:38. Civil Dark: 20:49 - 05:37. Nautical Dark: 21:33 - 04:53. Astro Dark: 22:24 - 04:03

Total Clouds (% Sky Obscured)

98
98
98
98
98
98
98
98
96
96
96
96
96
96
9
9
9
9
9
9
89
89
89
89

Low Clouds (% Sky Obscured)

8
8
2
2
2
2
2
2
27
27
27
27
27
27
0
0
0
0
0
0
20
20
20
20

Medium Clouds (% Sky Obscured)

27
27
4
4
4
4
4
4
5
5
5
5
5
5
9
9
9
9
9
9
35
35
35
35

High Clouds (% Sky Obscured)

97
97
98
98
98
98
98
98
95
95
95
95
95
95
0
0
0
0
0
0
85
85
85
85

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
71
70
69
66
64
65
67
71
77
81
83
84
84
84
84
85
86
89
90
86
80
74

Pressure (mb)

1015
1016
1016
1016
1016
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

312
312
311
311
312
312
312
312
312
312
312
312
312
312
312
312
311
311
312
312
312
313
313
313

Forecast for Bristol, City of Bristol, UK (51.45,-2.59)

Generated: 18/08/17 11:31:35. Forecast: 18/08/17 to 24/08/17. Timezone: UTC+1.00