Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 22

Waxing Crescent 6%

09:08

20:25

07 OK
08 OK
09 OK
10 OK
11 OK
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

Sun - Rise: 06:56, Set: 19:05, Transit: 13:00. Moon - Rise: 09:08, Set: 20:25. Civil Dark: 19:37 - 06:24. Nautical Dark: 20:16 - 05:45. Astro Dark: 20:56 - 05:05

Total Clouds (% Sky Obscured)

14
33
38
39
40
58
58
70
86
92
83
83
66
85
91
71
92
98
99
92
92
100
93
47

Low Clouds (% Sky Obscured)

14
33
38
39
40
58
58
70
85
88
75
54
9
2
12
50
81
95
98
73
8
38
38
26

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
8
72
63
29
36
81
91
60
86
86
96
76
88
99
91
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
8
4
61
46
31
1
0
0
0
6
50
32
77
12
7

ISS Passover

Visibility (miles)

2
8
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
0
2
2
2
0
0
0
0
0
0
0
0
0
2
2
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
6
8
10
13
14
15
15
15
15
14
14
14
14
14
14
14
14
14
13
12
12
12

Chance of Frost

Temperature (°C)

5
8
12
14
15
16
16
17
17
16
15
15
14
14
14
14
14
13
13
13
13
13
13
13

Feels Like (°C)

4
7
12
14
15
16
16
17
17
16
15
15
14
14
14
14
14
13
13
13
13
13
13
13

Dew Point (°C)

4
6
8
9
10
10
10
10
10
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

93
86
78
74
71
69
66
65
66
70
74
78
80
80
82
84
87
88
88
87
87
89
91
91

Pressure (mb)

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

Ozone (du)

323
322
321
320
320
319
319
319
319
319
316
313
311
311
311
311
311
310
310
311
311
311
311
311

Saturday 23

Waxing Crescent 12%

10:15

20:51

07 OK
08 OK
09 Good
10 OK
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

Sun - Rise: 06:58, Set: 19:03, Transit: 12:59. Moon - Rise: 10:15, Set: 20:51. Civil Dark: 19:35 - 06:25. Nautical Dark: 20:14 - 05:47. Astro Dark: 20:54 - 05:07

Total Clouds (% Sky Obscured)

24
27
13
34
56
52
48
76
81
72
66
79
97
98
100
98
100
100
98
92
67
73
43
80

Low Clouds (% Sky Obscured)

14
10
3
2
7
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

18
8
6
3
0
0
0
0
0
0
0
0
0
4
52
72
59
6
87
86
58
73
41
70

High Clouds (% Sky Obscured)

6
19
8
31
53
52
48
76
81
72
66
79
97
98
99
96
99
100
98
71
23
0
2
30

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
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
2
2
2
2
2
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
13
13
14
15
15
15
15
15
15
15
16
16
16
16
16
15
15
15
15
15
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
84
79
76
73
69
65
62
63
65
69
73
76
78
81
85
87
88
88
88
91
94
97
99

Pressure (mb)

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

Ozone (du)

311
310
310
309
309
309
308
308
308
308
309
309
309
309
309
309
309
308
309
311
314
316
316
315

Sunday 24

Waxing Crescent 19%

11:20

21:19

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
05 Bad
06 Bad

Sun - Rise: 06:59, Set: 19:00, Transit: 12:59. Moon - Rise: 11:20, Set: 21:19. Civil Dark: 19:33 - 06:27. Nautical Dark: 20:11 - 05:49. Astro Dark: 20:51 - 05:09

Total Clouds (% Sky Obscured)

85
82
98
95
95
99
99
99
99
98
97
95
99
99
99
99
99
99
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

8
10
11
16
27
52
70
70
24
29
30
29
34
34
34
34
34
34
12
12
12
12
12
12

Medium Clouds (% Sky Obscured)

39
37
88
67
40
9
18
8
20
19
13
5
52
52
52
52
52
52
77
77
77
77
77
77

High Clouds (% Sky Obscured)

75
70
81
82
90
98
98
98
99
98
95
93
98
98
98
98
98
98
98
98
98
98
98
98

ISS Passover

Visibility (miles)

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

None
None
None
None
None
None
None
None
None
None
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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
3
4
3
0
0
0
0
0
12
25
32
34
34
35
37
38
38
38
38
37
36
34

Precipitation Amount (mm)

0
0
0
0.01
0
0
0
0
0
0
0.03
0.16
0.34
0.44
0.51
0.55
0.56
0.6
0.64
0.56
0.5
0.5
0.52
0.51

Wind Speed/Direction (mph)

12
11
10
9
9
10
9
9
9
9
9
9
9
9
8
8
8
8
7
6
5
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
94
90
87
85
82
78
77
79
83
88
92
94
95
96
99
100
100
100
100
100
100
100
100

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016

Ozone (du)

314
313
312
312
312
311
310
310
310
310
310
309
310
310
311
312
313
314
314
314
315
315
316
316

Monday 25

Waxing Crescent 28%

12:22

21:51

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
05 Bad
06 Bad

Sun - Rise: N/A, Set: 18:58, Transit: 12:59. Moon - Rise: 12:22, Set: 21:51. Civil Dark: 19:31 - 06:28. Nautical Dark: 20:09 - 05:50. Astro Dark: 20:49 - 05:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
88
88
88
88
88
88
96
96
96
96
96
96
95
95
95
95
95
95

Low Clouds (% Sky Obscured)

5
5
5
5
5
5
23
23
23
23
23
23
8
8
8
8
8
8
20
20
20
20
20
20

Medium Clouds (% Sky Obscured)

70
70
70
70
70
70
88
88
88
88
88
88
96
96
96
96
96
96
86
86
86
86
86
86

High Clouds (% Sky Obscured)

99
99
99
99
99
99
0
0
0
0
0
0
0
0
0
0
0
0
39
39
39
39
39
39

ISS Passover

Visibility (miles)

9
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
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
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

33
30
28
26
23
19
15
16
17
17
16
15
14
12
8
4
3
3
2
0
2
3
2
0

Precipitation Amount (mm)

0.49
0.45
0.39
0.31
0.2
0.11
0.08
0.08
0.13
0.18
0.16
0.12
0.08
0.05
0.02
0.01
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
99
97
93
88
85
85
87
91
94
95
95
96
98
99
99
99
98
98
99
100
100

Pressure (mb)

1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

317
317
318
318
319
319
319
320
320
321
322
324
325
326
326
326
326
326
326
326
326
325
325
325

Tuesday 26

Waxing Crescent 37%

13:21

22:28

07 OK
08 OK
09 OK
10 Bad
11 OK
12 OK
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

Sun - Rise: 07:01, Set: 18:56, Transit: 12:58. Moon - Rise: 13:21, Set: 22:28. Civil Dark: 19:28 - 06:30. Nautical Dark: 20:07 - 05:52. Astro Dark: 20:46 - 05:12

Total Clouds (% Sky Obscured)

41
41
41
41
41
41
57
57
57
57
57
57
97
97
97
97
97
97
43
43
43
43
43
43

Low Clouds (% Sky Obscured)

10
10
10
10
10
10
7
7
7
7
7
7
10
10
10
10
10
10
33
33
33
33
33
33

Medium Clouds (% Sky Obscured)

38
38
38
38
38
38
56
56
56
56
56
56
1
1
1
1
1
1
2
2
2
2
2
2

High Clouds (% Sky Obscured)

1
1
1
1
1
1
0
0
0
0
0
0
96
96
96
96
96
96
20
20
20
20
20
20

ISS Passover

Visibility (miles)

9
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
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

Precipitation Probability (%)

0
0
0
0
0
4
5
5
6
6
6
7
7
4
4
4
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
99
95
92
87
82
76
73
73
77
82
89
92
94
95
98
100
100
99
98
98
99
100
98

Pressure (mb)

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

Ozone (du)

325
323
322
320
320
319
319
318
317
316
314
312
310
309
309
308
308
307
306
304
302
300
299
298

Wednesday 27

Waxing Crescent 47%

14:16

23:10

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
05 Bad
06 Bad

Sun - Rise: 07:02, Set: 18:54, Transit: 12:58. Moon - Rise: 14:16, Set: 23:10. Civil Dark: 19:26 - 06:32. Nautical Dark: 20:04 - 05:53. Astro Dark: 20:44 - 05:14

Total Clouds (% Sky Obscured)

99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
95
95
95
95
95
95

Low Clouds (% Sky Obscured)

33
33
33
33
33
33
31
31
31
31
31
31
100
100
100
100
100
100
91
91
91
91
91
91

Medium Clouds (% Sky Obscured)

22
22
22
22
22
22
100
100
100
100
100
100
48
48
48
48
48
48
43
43
43
43
43
43

High Clouds (% Sky Obscured)

98
98
98
98
98
98
0
0
0
0
0
0
20
20
20
20
20
20
6
6
6
6
6
6

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
8
0
0
0
0
9
12
10
0
0
0
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
92
88
86
84
80
77
75
76
79
84
88
91
93
95
97
100
100
100
99
99
99
100
100

Pressure (mb)

1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1024
1024
1025

Ozone (du)

298
297
296
295
294
293
293
292
292
292
292
292
293
293
293
293
292
291
290
289
289
289
289
288

Thursday 28

First Quarter 56%

15:06

23:58

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
05 Bad
06 Bad

Sun - Rise: 07:04, Set: 18:51, Transit: 12:58. Moon - Rise: 15:06, Set: 23:58. Civil Dark: 19:24 - 06:33. Nautical Dark: 20:02 - 05:55. Astro Dark: 20:41 - 05:16

Total Clouds (% Sky Obscured)

89
89
89
89
89
89
100
100
100
100
100
100
100
100
100
100
100
100
92
92
92
92
92
92

Low Clouds (% Sky Obscured)

20
20
20
20
20
20
99
99
99
99
99
99
20
20
20
20
20
20
86
86
86
86
86
86

Medium Clouds (% Sky Obscured)

24
24
24
24
24
24
69
69
69
69
69
69
90
90
90
90
90
90
47
47
47
47
47
47

High Clouds (% Sky Obscured)

84
84
84
84
84
84
99
99
99
99
99
99
100
100
100
100
100
100
38
38
38
38
38
38

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

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

Precipitation Probability (%)

12
16
19
18
18
18
18
18
15
0
0
0
0
0
0
0
0
16
20
22
23
23
23
22

Precipitation Amount (mm)

0
0.01
0.02
0.03
0.05
0.06
0.06
0.03
0.01
0
0
0
0
0
0
0
0
0.01
0.02
0.06
0.11
0.18
0.24
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
15
14
14
13
13
13
13
13
13
13
13
13
14
14
14
14
14
14
14
13
13
13

Relative Humidity (%)

98
95
95
91
88
84
80
77
77
79
83
85
86
86
88
90
93
95
95
95
96
97
97
98

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023

Ozone (du)

288
288
287
287
288
288
289
288
287
287
286
285
285
285
285
286
286
286
286
286
286
286
286
286

Forecast for Swanage, Dorset, UK (50.61,-1.96)

Generated: 22/09/17 07:27:03. Forecast: 22/09/17 to 28/09/17. Timezone: UTC+1.00