Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 22

Waxing Crescent 6%

10:22

20:23

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 OK
05 Good
06 Good
07 OK
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:58, Set: 19:07, Transit: 13:02. Moon - Rise: 10:22, Set: 20:23. Civil Dark: 19:42 - 06:24. Nautical Dark: 20:23 - 05:42. Astro Dark: 21:06 - 04:59

Total Clouds (% Sky Obscured)

76
82
94
76
99
88
100
100
98
98
99
99
98
84
98
59
14
3
2
40
65
77
95
100

Low Clouds (% Sky Obscured)

31
14
9
51
98
66
100
100
98
97
98
98
98
70
73
59
14
3
2
4
19
40
66
100

Medium Clouds (% Sky Obscured)

21
70
93
64
95
74
57
19
12
12
2
1
0
0
0
0
0
0
0
0
1
20
34
9

High Clouds (% Sky Obscured)

63
48
17
9
0
0
0
0
0
22
48
48
48
59
95
0
0
0
0
37
57
63
88
86

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

Very 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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

43
52
29
43
51
49
41
31
24
19
17
17
18
17
12
6
3
2
1
1
2
4
5
4

Precipitation Amount (mm)

0.33
0.6
0.61
0.54
0.6
0.56
0.41
0.28
0.2
0.15
0.13
0.14
0.15
0.15
0.09
0.04
0.02
0.01
0.01
0.01
0.01
0.02
0.03
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
75
79
83
86
90
92
94
95
95
95
95
94
93
91
91
92
93
94
95
94
91
88

Pressure (mb)

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

Ozone (du)

314
315
317
319
319
317
314
312
310
308
307
306
305
304
303
302
301
300
300
299
299
299
299
299

Saturday 23

Waxing Crescent 12%

11:29

20:47

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 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:00, Set: 19:05, Transit: 13:01. Moon - Rise: 11:29, Set: 20:47. Civil Dark: 19:39 - 06:25. Nautical Dark: 20:20 - 05:44. Astro Dark: 21:03 - 05:02

Total Clouds (% Sky Obscured)

98
100
98
98
100
99
98
98
95
98
100
100
100
98
91
89
88
60
37
51
95
98
97
99

Low Clouds (% Sky Obscured)

98
100
98
98
100
98
98
93
49
8
2
0
0
0
0
0
0
0
0
0
0
0
0
2

Medium Clouds (% Sky Obscured)

6
6
9
9
9
3
4
2
2
42
93
100
94
76
74
87
88
60
37
48
50
70
17
90

High Clouds (% Sky Obscured)

56
5
0
0
15
20
43
88
93
97
100
100
100
97
74
25
0
0
0
6
92
96
96
95

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

Precipitation Probability (%)

3
3
3
3
3
3
3
3
2
0
0
0
0
0
0
0
0
0
2
4
11
19
23
22

Precipitation Amount (mm)

0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0.01
0.02
0.05
0.13
0.21
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
12
11
10
10
9
8
8
7
7
7
7
7
7
7
8
9
10
11
11

Relative Humidity (%)

83
78
74
70
67
66
67
67
67
67
66
66
65
64
65
67
70
72
73
74
76
77
77
77

Pressure (mb)

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

Ozone (du)

298
298
298
299
299
299
300
300
301
301
301
302
302
303
305
308
310
311
312
312
311
310
310
310

Sunday 24

Waxing Crescent 19%

No Rise

21:13

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: 07:02, Set: 19:02, Transit: 13:01. Moon - Rise: No Rise, Set: 21:13. Civil Dark: 19:37 - 06:27. Nautical Dark: 20:18 - 05:46. Astro Dark: 21:01 - 05:04

Total Clouds (% Sky Obscured)

96
93
99
100
100
100
100
99
99
99
99
96
93
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

18
25
34
70
71
88
41
38
23
27
31
35
88
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

23
30
35
54
67
72
91
58
20
22
34
52
85
91
64
58
66
62
60
73
73
73
73
73

High Clouds (% Sky Obscured)

95
90
99
99
99
98
99
99
99
99
98
92
20
14
27
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
9
9
9
9
9
9
9
9
9
9
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
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

Precipitation Probability (%)

19
16
14
13
14
19
28
34
37
39
41
40
38
36
34
31
29
26
23
20
19
19
19
18

Precipitation Amount (mm)

0.17
0.14
0.12
0.11
0.14
0.26
0.49
0.68
0.72
0.73
0.75
0.69
0.61
0.57
0.49
0.39
0.32
0.26
0.22
0.19
0.16
0.14
0.14
0.15

Wind Speed/Direction (mph)

11
11
9
8
6
5
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
76
75
75
76
79
84
88
90
91
92
92
92
91
90
90
90
91
92
93
94
93
92
90

Pressure (mb)

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

Ozone (du)

310
310
311
311
311
311
311
312
312
312
312
313
314
315
315
316
317
317
318
318
318
319
319
320

Monday 25

Waxing Crescent 28%

12:33

21:43

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: 19:00, Transit: 13:01. Moon - Rise: 12:33, Set: 21:43. Civil Dark: 19:34 - 06:29. Nautical Dark: 20:15 - 05:48. Astro Dark: 20:58 - 05:06

Total Clouds (% Sky Obscured)

100
98
98
98
98
98
98
44
44
44
44
44
44
38
38
38
38
38
38
99
99
99
99
99

Low Clouds (% Sky Obscured)

100
98
98
98
98
98
98
44
44
44
44
44
44
38
38
38
38
38
38
76
76
76
76
76

Medium Clouds (% Sky Obscured)

73
3
3
3
3
3
3
0
0
0
0
0
0
2
2
2
2
2
2
3
3
3
3
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
98
98
98
98
98

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
8
8
7
6
4
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

17
16
15
14
14
12
10
8
5
2
0
1
4
5
6
7
7
6
3
2
2
0
0
3

Precipitation Amount (mm)

0.18
0.2
0.18
0.16
0.14
0.09
0.05
0.03
0.01
0
0
0
0.01
0.02
0.02
0.02
0.02
0.01
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
85
86
87
88
90
92
92
92
93
93
93
92
91
90
91
92
94
94
93
90
87
83

Pressure (mb)

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

Ozone (du)

320
321
322
325
326
324
322
320
319
319
319
319
319
319
320
320
320
319
318
317
316
315
315
315

Tuesday 26

Waxing Crescent 37%

13:34

22:19

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Bad
22 OK
23 OK
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: 07:05, Set: 18:57, Transit: 13:00. Moon - Rise: 13:34, Set: 22:19. Civil Dark: 19:32 - 06:31. Nautical Dark: 20:13 - 05:50. Astro Dark: 20:55 - 05:08

Total Clouds (% Sky Obscured)

99
64
64
64
64
64
64
40
40
40
40
40
40
92
92
92
92
92
92
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
57
57
57
57
57
57
25
25
25
25
25
25
14
14
14
14
14
14
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
13
13
13
13
13
13
23
23
23
23
23
23
23
23
23
23
23
23
6
6
6
6
6

High Clouds (% Sky Obscured)

98
12
12
12
12
12
12
14
14
14
14
14
14
91
91
91
91
91
91
100
100
100
100
100

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

Precipitation Probability (%)

7
8
8
8
9
11
15
17
16
10
0
0
7
11
14
16
16
14
8
0
0
0
0
0

Precipitation Amount (mm)

0.01
0.03
0.03
0.03
0.03
0.07
0.19
0.26
0.15
0.02
0
0
0.02
0.04
0.08
0.12
0.13
0.07
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

4
1
4
5
5
4
4
4
4
5
6
6
6
6
6
6
6
6
6
7
8
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
76
74
73
73
76
81
85
88
90
91
91
90
89
88
89
91
92
94
95
94
91
88
84

Pressure (mb)

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

Ozone (du)

315
315
314
314
313
313
313
313
313
313
313
312
311
309
308
307
306
305
304
303
302
301
300
299

Wednesday 27

Waxing Crescent 47%

14:29

23:00

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: 07:07, Set: 18:55, Transit: 13:00. Moon - Rise: 14:29, Set: 23:00. Civil Dark: 19:30 - 06:32. Nautical Dark: 20:10 - 05:52. Astro Dark: 20:52 - 05:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
3
3
3
3
3
3
1
1
1
1
1
1
2
2
2
2
2
2
87
87
87
87
87

Medium Clouds (% Sky Obscured)

6
97
97
97
97
97
97
98
98
98
98
98
98
93
93
93
93
93
93
99
99
99
99
99

High Clouds (% Sky Obscured)

100
99
99
99
99
99
99
100
100
100
100
100
100
97
97
97
97
97
97
96
96
96
96
96

ISS Passover

Visibility (miles)

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
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
Very Light Rain

Precipitation Probability (%)

0
0
0
3
4
4
6
7
9
11
13
14
15
17
19
20
21
21
19
17
20
21
20
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.01
0.01
0.02
0.03
0.03
0.05
0.06
0.09
0.14
0.17
0.14
0.08
0.06
0.07
0.13
0.15
0.08

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
75
72
69
69
71
76
80
83
85
87
88
88
87
87
87
89
90
90
89
88
87
86
85

Pressure (mb)

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

Ozone (du)

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

Thursday 28

First Quarter 56%

15:19

23:48

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 OK

Sun - Rise: 07:09, Set: 18:53, Transit: 13:00. Moon - Rise: 15:19, Set: 23:48. Civil Dark: 19:27 - 06:34. Nautical Dark: 20:08 - 05:54. Astro Dark: 20:50 - 05:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
27
27
27
27
27

Low Clouds (% Sky Obscured)

87
100
100
100
100
100
100
99
99
99
99
99
99
61
61
61
61
61
61
27
27
27
27
27

Medium Clouds (% Sky Obscured)

99
99
99
99
99
99
99
88
88
88
88
88
88
54
54
54
54
54
54
1
1
1
1
1

High Clouds (% Sky Obscured)

96
84
84
84
84
84
84
98
98
98
98
98
98
98
98
98
98
98
98
0
0
0
0
0

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
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

16
0
0
0
0
13
16
17
20
21
21
22
22
22
23
24
25
27
28
28
28
27
25
22

Precipitation Amount (mm)

0.02
0
0
0
0
0.01
0.03
0.07
0.12
0.18
0.25
0.28
0.29
0.31
0.32
0.34
0.42
0.72
1.21
1.57
1.5
1.2
0.88
0.54

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
81
79
78
79
81
84
86
88
89
90
91
90
89
89
90
95
99
100
100
96
89
83

Pressure (mb)

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

Ozone (du)

293
293
293
292
292
292
292
292
293
294
294
294
294
294
294
295
296
298
300
303
306
308
311
315

Forecast for High Legh, Cheshire East, UK (53.35,-2.45)

Generated: 22/09/17 14:18:58. Forecast: 22/09/17 to 28/09/17. Timezone: UTC+1.00