Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 22

Waxing Crescent 2%

09:09

19:57

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

Sun - Rise: 06:52, Set: 19:06, Transit: 12:58. Moon - Rise: 09:09, Set: 19:57. Civil Dark: 19:40 - 06:18. Nautical Dark: 20:22 - 05:37. Astro Dark: 21:05 - 04:53

Total Clouds (% Sky Obscured)

100
100
100
100
98
99
100
100
100
89
2
1
1
0
0
0
1
4
4
0
0
0
13
75

Low Clouds (% Sky Obscured)

100
100
100
100
52
14
14
14
2
0
0
0
1
0
0
0
0
0
0
0
0
0
0
16

Medium Clouds (% Sky Obscured)

94
79
64
70
33
34
23
27
15
3
2
1
0
0
0
0
0
0
0
0
0
0
1
1

High Clouds (% Sky Obscured)

95
79
29
55
95
98
100
100
100
88
0
0
0
0
0
0
1
4
4
0
0
0
12
70

ISS Passover

Visibility (miles)

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

Fog (%)

-
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
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 (%)

43
52
56
55
31
15
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0

Precipitation Amount (mm)

0.42
0.72
0.81
0.57
0.09
0.07
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0

Wind Speed/Direction (mph)

13
13
12
11
10
8
8
7
7
6
6
6
6
4
4
3
4
4
4
4
5
6
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
17
16
16
14
14
14
13
12
11
11
10
8
7
7
7
8
8
5
5
7
11
14
15

Dew Point (°C)

13
13
13
12
11
10
9
9
8
8
7
7
6
5
5
5
4
4
4
4
5
7
8
8

Relative Humidity (%)

79
79
79
79
82
78
76
75
76
79
79
79
80
83
80
83
76
71
87
85
79
73
69
64

Pressure (mb)

1011
1011
1012
1012
1012
1013
1014
1015
1015
1016
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

292
291
291
292
295
296
298
297
303
310
315
317
317
314
314
314
313
312
311
320
319
318
317
317

Saturday 23

Waxing Crescent 6%

10:18

20:19

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
11 Bad

Sun - Rise: 06:54, Set: 19:03, Transit: 12:58. Moon - Rise: 10:18, Set: 20:19. Civil Dark: 19:38 - 06:20. Nautical Dark: 20:19 - 05:38. Astro Dark: 21:02 - 04:55

Total Clouds (% Sky Obscured)

98
100
99
97
96
77
85
100
97
94
75
89
73
47
54
62
99
96
100
100
98
100
100
99

Low Clouds (% Sky Obscured)

12
1
0
59
0
0
63
100
96
93
75
89
70
40
52
52
98
84
100
100
98
100
100
99

Medium Clouds (% Sky Obscured)

20
95
93
95
96
77
79
75
43
3
1
2
1
0
0
0
0
0
0
0
0
2
37
26

High Clouds (% Sky Obscured)

98
100
91
0
2
2
0
0
0
0
0
0
9
19
3
23
56
76
79
29
7
5
6
6

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
12
30
39
36
28
21
19
19
18
16
15
14
9
4
3
4
7
10
8
6
5
5

Precipitation Amount (mm)

0
0
0.05
0.26
0.48
0.43
0.28
0.2
0.18
0.19
0.19
0.16
0.13
0.11
0.06
0.02
0.02
0.02
0.05
0.07
0.05
0.03
0.03
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
58
61
65
68
69
72
74
76
77
77
78
79
81
84
85
84
84
85
87
89
89
88
86

Pressure (mb)

1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

318
318
319
319
318
317
315
313
312
312
311
310
308
307
306
305
305
304
303
302
301
301
301
301

Sunday 24

Waxing Crescent 12%

11:25

20:43

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

Sun - Rise: 06:56, Set: 19:01, Transit: 12:58. Moon - Rise: 11:25, Set: 20:43. Civil Dark: 19:35 - 06:21. Nautical Dark: 20:17 - 05:40. Astro Dark: 21:00 - 04:58

Total Clouds (% Sky Obscured)

100
98
100
100
98
75
28
84
96
99
99
100
100
99
97
98
9
44
87
56
94
73
81
81

Low Clouds (% Sky Obscured)

100
97
100
100
98
74
7
17
20
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

13
8
3
2
4
2
1
4
1
0
8
94
93
12
3
0
0
44
87
53
92
50
18
8

High Clouds (% Sky Obscured)

28
11
5
2
0
2
23
81
95
99
99
100
100
99
97
98
9
0
0
6
22
49
77
79

ISS Passover

Visibility (miles)

9
9
10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
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 (%)

4
4
4
4
4
4
5
4
3
2
0
0
0
0
0
0
0
0
0
0
0
2
3
5

Precipitation Amount (mm)

0.01
0.01
0.01
0.02
0.02
0.02
0.02
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
17
18
19
19
19
18
17
17
17
16
16
15
14
13
13
13
12
12
13
13
14
15

Feels Like (°C)

16
16
17
18
19
19
19
18
17
17
17
16
16
15
14
13
13
13
12
12
13
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

82
79
74
69
65
63
64
66
66
66
64
63
62
62
65
67
69
71
74
77
77
75
73
70

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1019
1019
1019
1019

Ozone (du)

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

Monday 25

Waxing Crescent 19%

No Rise

21:09

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
11 Bad

Sun - Rise: 06:58, Set: 18:58, Transit: 12:57. Moon - Rise: No Rise, Set: 21:09. Civil Dark: 19:33 - 06:23. Nautical Dark: 20:14 - 05:42. Astro Dark: 20:57 - 05:00

Total Clouds (% Sky Obscured)

90
94
46
81
100
99
100
100
100
100
100
100
100
98
98
98
98
98
98
44
44
44
44
44

Low Clouds (% Sky Obscured)

0
1
5
4
2
2
2
0
0
0
0
0
0
7
7
7
7
7
7
22
22
22
22
22

Medium Clouds (% Sky Obscured)

10
4
1
21
52
31
82
89
89
89
89
89
89
21
21
21
21
21
21
38
38
38
38
38

High Clouds (% Sky Obscured)

89
94
44
77
99
98
98
98
98
98
98
98
98
98
98
98
98
98
98
9
9
9
9
9

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
8
7
6
7
8
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
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 (%)

5
5
3
2
0
0
0
0
0
0
0
0
2
5
7
9
9
9
9
8
8
10
13
13

Precipitation Amount (mm)

0.02
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.02
0.02
0.02
0.02
0.02
0.02
0.03
0.05
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
62
59
57
54
54
56
60
61
62
63
65
69
74
77
80
81
81
81
83
85
86
85
83

Pressure (mb)

1019
1019
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020

Ozone (du)

307
307
307
308
308
309
309
310
310
310
311
312
313
314
316
317
318
317
316
316
315
315
315
316

Tuesday 26

Waxing Crescent 28%

12:29

21:39

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
11 Bad

Sun - Rise: 06:59, Set: 18:56, Transit: 12:57. Moon - Rise: 12:29, Set: 21:39. Civil Dark: 19:31 - 06:25. Nautical Dark: 20:11 - 05:44. Astro Dark: 20:54 - 05:02

Total Clouds (% Sky Obscured)

44
96
96
96
96
96
96
89
89
89
89
89
89
91
91
91
91
91
91
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
18
18
18
18
18
18
43
43
43
43
43
43
51
51
51
51
51
51
100
100
100
100
100

Medium Clouds (% Sky Obscured)

38
92
92
92
92
92
92
83
83
83
83
83
83
84
84
84
84
84
84
2
2
2
2
2

High Clouds (% Sky Obscured)

9
63
63
63
63
63
63
0
0
0
0
0
0
0
0
0
0
0
0
9
9
9
9
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2
2
2
1
3
5
6
7

Fog (%)

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

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

Precipitation Probability (%)

14
14
12
10
10
11
12
13
12
8
4
3
3
3
3
4
5
5
4
4
5
7
10
9

Precipitation Amount (mm)

0.05
0.05
0.05
0.06
0.09
0.1
0.1
0.09
0.06
0.03
0.02
0.01
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
78
73
68
63
63
65
69
71
74
75
76
77
79
81
82
83
82
83
84
84
83
81
78

Pressure (mb)

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

Ozone (du)

316
316
316
317
318
318
319
320
321
322
322
322
322
322
321
320
320
319
320
321
322
322
322
323

Wednesday 27

Waxing Crescent 37%

13:30

22:14

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
11 Bad

Sun - Rise: 07:01, Set: 18:54, Transit: 12:56. Moon - Rise: 13:30, Set: 22:14. Civil Dark: 19:28 - 06:27. Nautical Dark: 20:09 - 05:46. Astro Dark: 20:51 - 05:04

Total Clouds (% Sky Obscured)

100
94
94
94
94
94
94
85
85
85
85
85
85
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
94
94
94
94
94
94
21
21
21
21
21
21
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
22
22
22
22
22

High Clouds (% Sky Obscured)

9
0
0
0
0
0
0
81
81
81
81
81
81
44
44
44
44
44
44
98
98
98
98
98

ISS Passover

Visibility (miles)

8
9
10
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

8
8
7
5
0
5
7
11
16
18
18
17
15
11
10
11
12
10
4
0
0
0
0
0

Precipitation Amount (mm)

0.01
0.01
0.01
0
0
0
0.01
0.01
0.05
0.14
0.21
0.15
0.06
0.02
0.02
0.03
0.03
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
12
12
12

Relative Humidity (%)

75
73
68
63
59
59
61
65
69
73
76
77
78
81
83
83
83
82
83
84
86
86
85
82

Pressure (mb)

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

Ozone (du)

323
323
322
321
320
318
316
315
315
315
315
314
313
312
312
311
310
309
307
305
304
303
302
301

Thursday 28

First Quarter 47%

14:26

22:56

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
11 Bad

Sun - Rise: 07:03, Set: 18:51, Transit: 12:56. Moon - Rise: 14:26, Set: 22:56. Civil Dark: 19:26 - 06:28. Nautical Dark: 20:06 - 05:48. Astro Dark: 20:49 - 05:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
70
70
70
70
70

Low Clouds (% Sky Obscured)

100
98
98
98
98
98
98
100
100
100
100
100
100
98
98
98
98
98
98
8
8
8
8
8

Medium Clouds (% Sky Obscured)

22
100
100
100
100
100
100
7
7
7
7
7
7
9
9
9
9
9
9
5
5
5
5
5

High Clouds (% Sky Obscured)

98
100
100
100
100
100
100
0
0
0
0
0
0
66
66
66
66
66
66
66
66
66
66
66

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Fog (%)

100
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
5
6
6
8
10
14
17
19
20
20
21
22
22
23
24
25
26
27
27
27
27

Precipitation Amount (mm)

0
0
0
0.01
0.01
0.01
0
0
0.01
0.04
0.05
0.04
0.04
0.05
0.07
0.09
0.12
0.17
0.24
0.31
0.38
0.46
0.48
0.35

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
75
72
68
64
62
62
65
66
67
68
70
74
77
80
81
81
81
81
84
86
86
86
86

Pressure (mb)

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

Ozone (du)

299
298
297
296
295
294
293
292
293
293
293
293
293
293
293
293
292
292
292
292
292
292
292
292

Forecast for Sheffield, South Yorkshire, UK (53.38,-1.47)

Generated: 22/09/17 07:26:04. Forecast: 22/09/17 to 28/09/17. Timezone: UTC+1.00