Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 22

Waxing Crescent 6%

09:09

20:23

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

Sun - Rise: 06:54, Set: 19:04, Transit: 12:59. Moon - Rise: 09:09, Set: 20:23. Civil Dark: 19:38 - 06:21. Nautical Dark: 20:17 - 05:41. Astro Dark: 20:58 - 05:00

Total Clouds (% Sky Obscured)

0
0
0
0
0
9
1
0
0
0
0
26
71
100
77
95
84
83
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
1
0
0
0
0
26
63
100
77
90
57
9
65
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
9
3
40
77
82
100
100
95
89
63
42

High Clouds (% Sky Obscured)

0
0
0
0
0
9
0
0
0
0
0
0
23
16
9
47
2
0
0
13
6
2
41
50

ISS Passover

Visibility (miles)

9
9
9
9
9
10
5
6
9
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
2
2
0
0
0
0
0
0
1
2
4
8
14
20
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.01
0
0
0
0
0
0
0
0.01
0.03
0.06
0.11
0.17
0.2

Wind Speed/Direction (mph)

5
4
4
4
4
4
3
3
4
6
8
7
9
12
11
13
14
14
13
12
12
12
12
12

Chance of Frost

Temperature (°C)

9
9
8
8
8
8
5
4
7
10
13
13
15
17
17
17
17
17
17
16
15
14
14
14

Feels Like (°C)

8
8
7
7
7
6
4
3
5
9
13
13
15
17
17
17
17
17
17
16
15
14
14
14

Dew Point (°C)

6
6
5
5
4
4
4
3
5
7
8
10
10
10
10
10
10
9
10
10
10
10
11
11

Relative Humidity (%)

83
82
81
80
78
78
91
94
88
80
73
81
70
63
65
63
60
60
63
68
74
78
81
81

Pressure (mb)

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

Ozone (du)

313
312
312
313
313
313
312
312
311
311
311
318
318
318
316
317
316
314
311
309
307
306
305
305

Saturday 23

Waxing Crescent 12%

10:16

20:48

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

Sun - Rise: 06:56, Set: 19:02, Transit: 12:59. Moon - Rise: 10:16, Set: 20:48. Civil Dark: 19:35 - 06:22. Nautical Dark: 20:15 - 05:43. Astro Dark: 20:55 - 05:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
26
37
16
32
43
89
95
98
100
99

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
13
9
3
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

33
27
2
1
0
0
2
16
81
84
48
22
13
2
8
9
6
1
0
0
0
0
9
76

High Clouds (% Sky Obscured)

59
84
77
91
87
10
9
17
9
26
59
48
52
66
14
30
12
31
43
89
95
98
100
99

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

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
None
None
None
None

Precipitation Probability (%)

23
22
17
9
4
3
1
1
1
0
0
0
1
1
1
1
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.22
0.22
0.14
0.06
0.02
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
10
10
10
11
11
11
11
11
11
10
9
9
8
8
8
8
8
8

Relative Humidity (%)

82
84
85
85
84
82
83
85
85
81
76
70
65
61
56
51
48
48
51
55
60
64
66
65

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

306
306
305
304
304
303
303
303
303
303
303
303
303
303
304
304
304
305
305
306
306
306
306
306

Sunday 24

Waxing Crescent 19%

11:21

21:16

00 Bad
01 Bad
02 Bad
03 Bad
04 OK
05 OK
06 OK
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

Sun - Rise: 06:57, Set: 19:00, Transit: 12:58. Moon - Rise: 11:21, Set: 21:16. Civil Dark: 19:33 - 06:24. Nautical Dark: 20:12 - 05:45. Astro Dark: 20:53 - 05:04

Total Clouds (% Sky Obscured)

100
98
99
91
24
34
27
72
63
91
89
96
91
85
94
99
99
98
98
99
100
100
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
2
10
30
17
14
31
29
27
27
9
6
16

Medium Clouds (% Sky Obscured)

100
82
98
89
24
34
27
72
30
23
24
48
7
8
6
5
36
12
7
65
100
97
80
59

High Clouds (% Sky Obscured)

100
98
97
33
0
0
1
0
50
88
86
93
90
82
92
99
98
98
98
98
98
98
98
98

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
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
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
2
2
2
0
0
0
0
0
0
0
0
11
23
30
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.01
0
0
0
0
0
0
0
0
0
0.02
0.13
0.27
0.34

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
66
70
73
74
76
78
82
82
78
73
69
64
61
60
59
59
60
63
67
72
77
80
81

Pressure (mb)

1019
1019
1018
1018
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

307
308
309
311
313
313
312
312
311
311
311
311
312
312
312
312
312
311
311
311
312
313
314
315

Monday 25

Waxing Crescent 28%

12:24

21:47

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
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

Sun - Rise: 06:59, Set: 18:57, Transit: 12:58. Moon - Rise: 12:24, Set: 21:47. Civil Dark: 19:31 - 06:26. Nautical Dark: 20:10 - 05:46. Astro Dark: 20:50 - 05:06

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

21
16
21
51
34
28
84
95
95
95
95
95
95
66
66
66
66
66
66
94
94
94
94
94

Medium Clouds (% Sky Obscured)

48
48
100
95
77
93
97
98
98
98
98
98
98
100
100
100
100
100
100
98
98
98
98
98

High Clouds (% Sky Obscured)

98
98
99
99
98
98
98
99
99
99
99
99
99
3
3
3
3
3
3
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Very Light Rain
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
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

Precipitation Probability (%)

33
33
32
33
35
35
35
35
35
36
36
33
29
24
19
15
11
9
8
10
12
14
16
15

Precipitation Amount (mm)

0.37
0.36
0.32
0.34
0.43
0.48
0.52
0.61
0.75
0.92
0.99
0.87
0.68
0.49
0.32
0.18
0.09
0.04
0.03
0.05
0.08
0.12
0.15
0.14

Wind Speed/Direction (mph)

5
5
5
4
4
4
4
5
5
5
5
4
4
4
4
5
5
5
5
5
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

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
13
13

Relative Humidity (%)

84
87
90
91
90
89
90
93
95
96
95
94
93
93
92
89
85
82
82
84
87
88
88
87

Pressure (mb)

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

Ozone (du)

317
318
319
320
320
320
319
319
319
318
318
318
318
319
321
324
326
326
324
323
322
321
321
320

Tuesday 26

Waxing Crescent 37%

13:24

22:23

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

Sun - Rise: 07:00, Set: 18:55, Transit: 12:58. Moon - Rise: 13:24, Set: 22:23. Civil Dark: 19:28 - 06:27. Nautical Dark: 20:07 - 05:48. Astro Dark: 20:48 - 05:08

Total Clouds (% Sky Obscured)

98
34
34
34
34
34
34
28
28
28
28
28
28
15
15
15
15
15
15
76
76
76
76
76

Low Clouds (% Sky Obscured)

94
13
13
13
13
13
13
24
24
24
24
24
24
13
13
13
13
13
13
2
2
2
2
2

Medium Clouds (% Sky Obscured)

98
31
31
31
31
31
31
11
11
11
11
11
11
12
12
12
12
12
12
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
76
76
76
76
76

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
8
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

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

Precipitation Probability (%)

15
14
15
16
16
15
13
11
9
8
7
6
5
4
5
6
7
8
11
12
11
6
0
0

Precipitation Amount (mm)

0.12
0.1
0.11
0.14
0.14
0.11
0.07
0.04
0.03
0.02
0.02
0.01
0.01
0.01
0.01
0.02
0.04
0.06
0.09
0.09
0.05
0.01
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
89
87
86
84
85
86
88
87
85
81
78
75
73
70
67
67
71
76
79
81
81
80

Pressure (mb)

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

Ozone (du)

320
320
321
322
322
322
321
321
320
319
318
317
316
315
314
314
313
312
311
311
311
311
311
309

Wednesday 27

Waxing Crescent 47%

14:19

23:05

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
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

Sun - Rise: 07:02, Set: 18:53, Transit: 12:57. Moon - Rise: 14:19, Set: 23:05. Civil Dark: 19:26 - 06:29. Nautical Dark: 20:05 - 05:50. Astro Dark: 20:45 - 05:10

Total Clouds (% Sky Obscured)

76
77
77
77
77
77
77
100
100
100
100
100
100
100
100
100
100
100
100
87
87
87
87
87

Low Clouds (% Sky Obscured)

2
0
0
0
0
0
0
11
11
11
11
11
11
80
80
80
80
80
80
13
13
13
13
13

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
5
5
5
5
5
98
98
98
98
98
98
9
9
9
9
9

High Clouds (% Sky Obscured)

76
77
77
77
77
77
77
100
100
100
100
100
100
95
95
95
95
95
95
84
84
84
84
84

ISS Passover

Visibility (miles)

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
Very Light Rain
Very Light Rain
Very Light Rain
None
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

Precipitation Probability (%)

0
2
4
6
8
6
4
0
0
0
0
0
0
4
5
7
8
8
8
7
5
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
4
4
4
4
4
5
5
6
7
8
9
9
10
10
10
9
7
6
6
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
84
85
84
84
85
87
88
87
83
79
76
74
72
70
67
66
69
73
77
79
80
79

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1026
1026

Ozone (du)

307
306
304
303
302
301
300
300
299
299
298
298
298
298
297
297
297
296
296
295
295
295
294
293

Thursday 28

First Quarter 56%

15:09

23:53

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
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

Sun - Rise: 07:04, Set: 18:50, Transit: 12:57. Moon - Rise: 15:09, Set: 23:53. Civil Dark: 19:24 - 06:30. Nautical Dark: 20:03 - 05:51. Astro Dark: 20:43 - 05:11

Total Clouds (% Sky Obscured)

87
98
98
98
98
98
98
99
99
99
99
99
99
99
99
99
99
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

13
0
0
0
0
0
0
0
0
0
0
0
0
91
91
91
91
91
91
100
100
100
100
100

Medium Clouds (% Sky Obscured)

9
39
39
39
39
39
39
95
95
95
95
95
95
77
77
77
77
77
77
90
90
90
90
90

High Clouds (% Sky Obscured)

84
97
97
97
97
97
97
94
94
94
94
94
94
97
97
97
97
97
97
98
98
98
98
98

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

Precipitation Probability (%)

5
7
6
0
0
0
6
8
7
0
0
0
0
0
0
0
0
0
0
0
0
0
9
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
7
7
7
7
7
8
8
8
9
9
10
10
10
11
10
9
8
7
7
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
81
81
80
80
83
86
87
84
80
75
71
68
65
62
59
59
63
67
72
75
76
78

Pressure (mb)

1026
1026
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1026
1026
1026
1026
1026

Ozone (du)

292
292
291
291
291
291
291
291
291
290
290
289
289
289
288
288
288
287
287
287
287
287
288
288

Forecast for Swindon, Wiltshire, UK (51.56,-1.78)

Generated: 22/09/17 14:22:37. Forecast: 22/09/17 to 28/09/17. Timezone: UTC+1.00