Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

Waxing Gibbous 84%

17:27

02:29

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:46, Set: 19:05, Transit: 12:56. Moon - Rise: 17:27, Set: 02:29. Civil Dark: 19:38 - 06:13. Nautical Dark: 20:18 - 05:33. Astro Dark: 20:59 - 04:52

Total Clouds (% Sky Obscured)

98
98
98
99
100
100
99
100
84
98
100
100
99
84
99
94
99
100
98
97
98
100
100
100

Low Clouds (% Sky Obscured)

95
98
90
98
100
91
81
64
75
95
100
92
95
59
32
15
41
83
73
58
56
34
6
100

Medium Clouds (% Sky Obscured)

63
68
69
89
70
98
98
85
23
80
10
7
36
56
79
26
27
10
45
83
80
97
61
100

High Clouds (% Sky Obscured)

95
63
65
95
86
93
71
100
40
95
98
99
95
35
97
92
99
100
97
90
95
100
100
2

ISS Passover

Visibility (miles)

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

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
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

14
12
10
10
13
20
31
37
25
15
11
8
10
9
7
8
9
18
38
54
69
75
75
56

Precipitation Amount (mm)

0.1
0.1
0.04
0.03
0.03
0.07
0.13
0.18
0.14
0.07
0.03
0.03
0.03
0.04
0.02
0.01
0.01
0.03
0.17
0.42
0.93
1.82
2.29
1.49

Wind Speed/Direction (mph)

10
11
13
15
17
18
18
18
19
19
20
21
22
23
23
24
24
24
24
25
24
23
22
28

Chance of Frost

Temperature (°C)

17
17
16
17
17
17
17
18
18
18
18
19
19
19
20
20
20
19
19
19
19
19
18
16

Feels Like (°C)

17
17
16
17
17
17
17
18
18
18
18
19
19
19
20
20
20
19
19
19
19
19
18
16

Dew Point (°C)

15
15
15
15
15
15
15
15
14
14
14
14
14
14
14
14
14
14
15
14
15
16
15
14

Relative Humidity (%)

91
90
89
88
87
86
84
82
81
80
78
76
75
74
68
68
70
73
77
72
76
81
84
89

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1011
1011
1010
1010
1009
1008
1008
1007
1006
1005
1004
1003
1002
1000
999
998
998

Ozone (du)

291
291
292
292
293
293
293
293
293
293
293
292
291
290
290
291
291
291
291
292
294
297
300
304

Friday 21

Waxing Gibbous 90%

17:58

No Set

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

Sun - Rise: 06:48, Set: 19:03, Transit: 12:55. Moon - Rise: 17:58, Set: No Set. Civil Dark: 19:36 - 06:14. Nautical Dark: 20:16 - 05:35. Astro Dark: 20:57 - 04:54

Total Clouds (% Sky Obscured)

41
13
45
9
2
28
27
8
11
12
31
40
62
41
28
16
19
4
22
83
55
99
31
98

Low Clouds (% Sky Obscured)

41
2
1
1
1
1
1
6
9
4
7
10
46
9
20
13
9
2
0
1
0
1
1
1

Medium Clouds (% Sky Obscured)

2
13
45
8
2
26
23
3
6
10
31
40
55
38
21
12
17
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
10
20
0
0
0
0
0
0
0
0
0
0
1
22
83
55
99
31
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 (%)

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
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 (%)

39
19
16
11
0
0
0
0
0
5
4
4
3
2
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.51
0.14
0.06
0.02
0
0
0
0
0
0.01
0.02
0.02
0.02
0.01
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

25
22
15
12
16
15
17
20
22
24
25
23
22
22
17
13
15
14
13
12
11
11
10
10

Chance of Frost

Temperature (°C)

14
12
10
9
9
9
10
12
13
15
16
17
17
16
16
15
15
14
13
12
11
11
10
10

Feels Like (°C)

14
12
10
6
5
6
10
12
13
15
16
17
17
16
16
15
15
14
13
12
11
11
10
7

Dew Point (°C)

11
8
7
6
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

Relative Humidity (%)

83
80
80
81
80
75
69
63
58
54
51
50
50
51
52
53
56
60
63
68
71
74
77
79

Pressure (mb)

999
1000
1002
1004
1005
1007
1008
1008
1009
1010
1010
1011
1011
1012
1013
1013
1014
1015
1016
1017
1018
1018
1018
1019

Ozone (du)

309
312
314
314
315
318
321
323
323
322
320
318
317
316
315
316
316
315
314
312
309
305
302
301

Saturday 22

Waxing Gibbous 95%

18:25

03:32

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:49, Set: 19:01, Transit: 12:55. Moon - Rise: 18:25, Set: 03:32. Civil Dark: 19:34 - 06:16. Nautical Dark: 20:13 - 05:37. Astro Dark: 20:54 - 04:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
0
0
1
0
0
0
0
1
34
66
100
63
99
56
6
6
6
6
6
6
100
100

Medium Clouds (% Sky Obscured)

0
18
27
78
98
100
99
90
93
99
100
100
100
100
100
100
100
100
100
100
100
100
14
14

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
97
66
61
99
50
57
64
21
21
21
21
21
21
6
6

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
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
0
0
0
0
0
0
0
0
10
18
25
26
29
33
34
34
34
33
33
34
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.01
0.03
0.06
0.08
0.11
0.15
0.18
0.19
0.2
0.2
0.2
0.21
0.24

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
8
8
8
9
11
12
14
15
15
16
15
15
14
13
13
12
12
12
11
12
12
12

Feels Like (°C)

7
7
6
6
6
7
11
12
14
15
15
16
15
15
14
13
13
12
12
12
11
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

81
84
87
90
90
86
78
71
65
60
58
58
60
64
69
74
78
81
84
86
88
89
90
89

Pressure (mb)

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

Ozone (du)

300
299
297
296
294
292
289
287
285
284
283
282
281
281
281
281
281
280
279
279
279
279
280
280

Sunday 23

Waxing Gibbous 99%

18:48

04:37

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 OK
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good

Sun - Rise: 06:51, Set: 18:58, Transit: 12:55. Moon - Rise: 18:48, Set: 04:37. Civil Dark: 19:31 - 06:18. Nautical Dark: 20:11 - 05:38. Astro Dark: 20:52 - 04:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
8
8
8
8
8
8
2
2

Low Clouds (% Sky Obscured)

100
100
100
100
99
99
99
99
99
99
100
100
100
100
100
100
8
8
8
8
8
8
0
0

Medium Clouds (% Sky Obscured)

14
14
14
14
82
82
82
82
82
82
91
91
91
91
91
91
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
6
6
6
48
48
48
48
48
48
100
100
100
100
100
100
0
0
0
0
0
0
2
2

ISS Passover

Visibility (miles)

10
8
7
8
8
7
5
4
4
4
3
3
4
4
4
5
6
9
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
Light Rain
Light Rain
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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

45
52
52
56
62
67
72
76
74
72
69
70
64
59
37
20
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0.38
0.48
0.66
0.9
1.18
1.49
1.7
1.73
1.71
1.66
1.52
1.29
0.94
0.46
0.1
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
11
12
14
15
16
18
18
19
21
24
28
31
31
31
30
25
21
18
17
16
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
13
14
15
15
16
17
17
17
16
15
13
12
11
11
10
6
6
5
5
5
5
4

Dew Point (°C)

10
11
11
13
14
15
16
16
16
16
15
13
12
10
8
7
5
5
4
4
4
4
4
3

Relative Humidity (%)

89
90
91
94
95
97
96
96
97
96
94
93
92
90
83
76
72
70
70
70
71
72
73
75

Pressure (mb)

1010
1009
1007
1005
1004
1002
1001
1000
998
995
994
994
995
997
1001
1007
1012
1015
1018
1021
1023
1025
1027
1028

Ozone (du)

279
280
280
280
282
286
292
297
302
306
311
316
322
326
329
329
327
321
313
305
299
293
289
285

Monday 24

Waxing Gibbous 100%

19:10

05:44

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

Sun - Rise: 06:52, Set: 18:56, Transit: 12:54. Moon - Rise: 19:10, Set: 05:44. Civil Dark: 19:29 - 06:19. Nautical Dark: 20:08 - 05:40. Astro Dark: 20:49 - 04:59

Total Clouds (% Sky Obscured)

2
2
2
2
48
48
48
48
48
48
43
43
43
43
43
43
26
26
26
26
26
26
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
27
27
27
27
27
27
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
26
26
26
26
26
26
0
0

High Clouds (% Sky Obscured)

2
2
2
2
48
48
48
48
48
48
22
22
22
22
22
22
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
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
2
2
2
2
2
2
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
6
5
5
5
6
8
10
11
13
14
15
15
15
15
14
12
11
10
8
7
6
6
5

Feels Like (°C)

3
3
2
1
1
2
5
7
11
13
14
15
15
15
15
14
12
11
8
7
6
6
6
5

Dew Point (°C)

3
3
3
2
2
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
2
2

Relative Humidity (%)

77
79
82
84
84
81
75
68
61
55
50
48
46
46
48
53
57
63
69
74
77
78
79
79

Pressure (mb)

1029
1030
1031
1032
1033
1034
1035
1035
1036
1036
1036
1036
1036
1036
1037
1037
1037
1038
1038
1039
1039
1039
1039
1039

Ozone (du)

282
279
278
277
277
276
276
276
276
277
276
276
274
274
273
273
273
273
272
272
271
271
270
269

Tuesday 25

Full Moon 99%

19:31

06:53

03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
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

Sun - Rise: 06:54, Set: 18:54, Transit: 12:54. Moon - Rise: 19:31, Set: 06:53. Civil Dark: 19:27 - 06:21. Nautical Dark: 20:06 - 05:42. Astro Dark: 20:46 - 05:01

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
89
89
89
89
89
89
88
88
88
88
88
88
66
66

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
89
89
89
89
89
89
0
0
0
0
0
0
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
88
88
88
88
88
88
66
66

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
1
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
0.01
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
4
3
2
2
4
8
11
13
14
16
17
17
17
16
15
13
12
10
9
9
8
7
7

Feels Like (°C)

5
4
3
2
2
4
8
11
13
14
16
17
17
17
16
15
13
12
10
8
7
6
6
6

Dew Point (°C)

2
1
1
0
-0
1
2
3
4
5
5
5
5
5
5
5
4
4
4
4
4
4
4
4

Relative Humidity (%)

80
83
86
88
87
80
68
59
54
52
50
47
46
46
48
51
55
59
64
68
72
75
77
79

Pressure (mb)

1039
1039
1038
1038
1038
1038
1038
1038
1038
1037
1037
1036
1035
1034
1033
1033
1033
1033
1033
1032
1032
1031
1031
1030

Ozone (du)

268
267
266
264
263
262
261
260
259
258
258
256
255
254
253
252
252
252
252
252
251
251
251
251

Wednesday 26

Waning Gibbous 96%

19:52

08:02

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

Sun - Rise: 06:56, Set: 18:51, Transit: 12:53. Moon - Rise: 19:52, Set: 08:02. Civil Dark: 19:24 - 06:23. Nautical Dark: 20:04 - 05:43. Astro Dark: 20:44 - 05:03

Total Clouds (% Sky Obscured)

66
66
66
66
44
44
44
44
44
44
90
90
90
90
90
90
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

66
66
66
66
44
44
44
44
44
44
90
90
90
90
90
90
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
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)

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

Chance of Frost

Temperature (°C)

6
5
5
4
4
6
10
13
15
17
18
20
20
21
20
18
16
15
14
13
12
12
11
10

Feels Like (°C)

5
4
3
3
3
5
9
13
15
17
18
20
20
21
20
18
16
15
14
13
12
12
11
10

Dew Point (°C)

3
3
3
3
3
4
6
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

82
85
90
93
92
86
76
68
59
52
47
43
42
42
45
51
56
60
63
66
69
72
75
79

Pressure (mb)

1030
1029
1028
1028
1027
1027
1027
1027
1026
1026
1025
1025
1024
1024
1023
1023
1023
1023
1024
1024
1024
1024
1023
1023

Ozone (du)

252
252
253
253
254
254
255
256
256
257
258
258
259
259
259
260
260
260
259
259
259
258
258
257

Forecast for Maidenhead, Windsor and Maidenhead, UK (51.50,-0.70)

Generated: 20/09/18 03:26:02. Forecast: 20/09/18 to 26/09/18. Timezone: UTC+1.00