Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waxing Crescent 46%

14:40

22:29

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

Sun - Rise: 06:53, Set: 18:57, Transit: 12:54. Moon - Rise: 14:40, Set: 22:29. Civil Dark: 19:30 - 06:20. Nautical Dark: 20:09 - 05:41. Astro Dark: 20:50 - 05:00

Total Clouds (% Sky Obscured)

99
100
100
100
91
99
63
76
78
88
98
61
2
0
1
2
0
90
99
58
34
43
39
36

Low Clouds (% Sky Obscured)

13
27
25
48
20
30
17
13
3
2
7
1
2
0
1
2
0
2
11
36
5
2
2
2

Medium Clouds (% Sky Obscured)

17
95
99
100
90
97
51
73
29
62
98
61
0
0
0
2
0
89
99
47
31
43
38
34

High Clouds (% Sky Obscured)

99
100
100
60
10
96
24
21
73
84
1
0
0
0
0
0
0
0
17
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

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

Precipitation Probability (%)

25
19
12
17
25
28
30
26
16
12
10
10
14
11
7
6
0
0
0
21
44
52
44
28

Precipitation Amount (mm)

0.2
0.02
0.02
0.03
0.07
0.17
0.25
0.18
0.08
0.04
0.03
0.06
0.09
0.06
0.02
0.01
0
0
0
0.07
0.38
0.64
0.4
0.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
18
18
18
17
16
16
15
14
13
12
11
10
9
8
8
8
8
9
9
10
11
11

Feels Like (°C)

16
17
18
18
18
17
16
16
15
14
13
12
11
7
6
5
5
5
6
6
7
10
11
11

Dew Point (°C)

15
15
15
15
14
14
14
13
13
11
10
9
8
8
7
7
6
6
7
8
9
10
10
10

Relative Humidity (%)

95
89
84
81
82
85
88
87
84
82
83
84
84
86
87
89
90
90
91
94
97
99
95
89

Pressure (mb)

1001
1001
1001
1000
1000
999
999
998
998
998
998
999
999
1000
1001
1001
1001
1000
999
999
998
997
997
997

Ozone (du)

272
276
282
286
288
289
291
293
295
297
303
309
313
312
308
304
302
301
300
300
300
301
302
303

Thursday 24

First Quarter 58%

15:45

23:21

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

Sun - Rise: 06:55, Set: 18:55, Transit: 12:54. Moon - Rise: 15:45, Set: 23:21. Civil Dark: 19:28 - 06:22. Nautical Dark: 20:07 - 05:43. Astro Dark: 20:48 - 05:02

Total Clouds (% Sky Obscured)

77
54
60
75
86
96
98
95
73
48
44
24
38
7
1
2
20
44
6
3
1
13
25
16

Low Clouds (% Sky Obscured)

15
19
23
21
21
14
14
23
21
31
24
13
4
0
0
2
0
0
3
2
1
13
1
13

Medium Clouds (% Sky Obscured)

75
48
59
72
84
95
63
92
52
24
12
9
5
3
1
0
2
43
5
3
0
0
4
0

High Clouds (% Sky Obscured)

0
0
2
19
6
75
96
84
56
18
23
13
35
5
0
0
19
13
0
0
0
1
24
3

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
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
Very Light Rain
None
None

Precipitation Probability (%)

19
16
12
12
14
14
13
12
13
13
14
19
20
22
27
29
25
0
0
0
0
7
4
0

Precipitation Amount (mm)

0.02
0.03
0.05
0.06
0.04
0.02
0.02
0.02
0.02
0.02
0.02
0.01
0.02
0.03
0.05
0.06
0.03
0
0
0
0
0.01
0.01
0

Wind Speed/Direction (mph)

16
17
18
18
18
17
16
13
10
8
6
5
5
6
7
8
9
10
11
12
13
14
16
18

Chance of Frost

Temperature (°C)

12
12
13
13
14
14
14
13
12
11
10
9
8
8
8
8
7
7
7
6
6
7
8
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
79
74
69
64
60
60
62
66
70
75
79
82
84
85
87
90
93
95
97
99
98
92
84

Pressure (mb)

997
997
997
997
996
996
995
995
994
993
993
993
993
994
994
995
996
997
997
999
1000
1002
1003
1004

Ozone (du)

306
312
319
324
326
327
327
327
326
327
328
329
331
332
334
335
336
336
337
338
338
339
338
338

Friday 25

Waxing Gibbous 68%

16:37

00:24

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

Sun - Rise: 06:56, Set: 18:52, Transit: 12:54. Moon - Rise: 16:37, Set: 00:24. Civil Dark: 19:26 - 06:23. Nautical Dark: 20:05 - 05:44. Astro Dark: 20:45 - 05:04

Total Clouds (% Sky Obscured)

81
77
51
38
52
34
16
23
26
5
10
5
2
0
17
27
27
27
27
27
27
1
1
1

Low Clouds (% Sky Obscured)

28
73
39
27
29
26
11
9
13
4
9
5
2
0
16
25
25
25
25
25
25
1
1
1

Medium Clouds (% Sky Obscured)

5
18
27
32
48
26
13
22
22
3
2
1
0
0
3
16
16
16
16
16
16
0
0
0

High Clouds (% Sky Obscured)

78
23
2
0
0
0
0
0
0
0
0
0
0
0
0
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
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
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
3
3
0
0
0
0
0
0
0
0
0
0
5
5
5
6
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
20
20
20
20
18
17
15
13
12
12
13
13
13
13
13
12
11
10
10
10
10
11
11

Chance of Frost

Temperature (°C)

10
11
12
13
14
14
13
13
12
11
10
9
9
8
8
8
7
7
6
6
5
6
7
8

Feels Like (°C)

10
11
12
13
14
14
13
13
12
11
7
6
5
5
5
4
4
4
3
3
2
2
3
5

Dew Point (°C)

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

Relative Humidity (%)

77
70
64
59
57
56
58
60
63
66
69
72
73
75
76
78
80
82
83
84
86
85
81
73

Pressure (mb)

1005
1007
1008
1009
1010
1011
1011
1012
1013
1013
1014
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018

Ozone (du)

338
340
341
341
336
329
323
316
310
305
301
299
297
296
296
296
295
294
292
290
287
285
284
285

Saturday 26

Waxing Gibbous 78%

17:17

01:32

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

Sun - Rise: 06:58, Set: 18:50, Transit: 12:53. Moon - Rise: 17:17, Set: 01:32. Civil Dark: 19:23 - 06:25. Nautical Dark: 20:02 - 05:46. Astro Dark: 20:43 - 05:06

Total Clouds (% Sky Obscured)

1
1
1
16
16
16
16
16
16
99
99
99
99
99
99
7
7
7
7
7
7
100
100
100

Low Clouds (% Sky Obscured)

1
1
1
16
16
16
16
16
16
96
96
96
96
96
96
6
6
6
6
6
6
28
28
28

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
99
99
99
99
99
99
4
4
4
4
4
4
92
92
92

High Clouds (% Sky Obscured)

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

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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
17
35
37
34
22
17
15
14
11
8
6
5
4
4
4
3
0
0
0
0
0
0
2

Precipitation Amount (mm)

0
0.01
0.04
0.08
0.09
0.08
0.08
0.1
0.12
0.11
0.06
0.01
0.01
0.01
0.01
0.02
0.01
0
0
0
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
67
71
74
74
73
73
74
75
75
75
77
77
77
77
76
76
75
75
76
78
80
80
79

Pressure (mb)

1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1013
1014
1014

Ozone (du)

286
285
285
284
283
281
279
278
276
274
273
272
271
270
270
270
269
268
268
268
268
269
269
269

Sunday 27

Waxing Gibbous 86%

17:48

02:43

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:00, Set: 18:48, Transit: 12:53. Moon - Rise: 17:48, Set: 02:43. Civil Dark: 19:21 - 06:27. Nautical Dark: 20:00 - 05:48. Astro Dark: 20:40 - 05:08

Total Clouds (% Sky Obscured)

100
100
100
85
85
85
85
85
85
96
96
96
96
96
96
98
98
98
98
98
98
99
99
99

Low Clouds (% Sky Obscured)

28
28
28
23
23
23
23
23
23
41
41
41
41
41
41
97
97
97
97
97
97
5
5
5

Medium Clouds (% Sky Obscured)

92
92
92
84
84
84
84
84
84
91
91
91
91
91
91
22
22
22
22
22
22
98
98
98

High Clouds (% Sky Obscured)

100
100
100
1
1
1
1
1
1
40
40
40
40
40
40
13
13
13
13
13
13
75
75
75

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
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
None
None
None
None
None
None

Precipitation Probability (%)

2
2
0
0
2
5
7
8
6
6
5
5
7
8
9
10
9
6
1
0
3
4
3
0

Precipitation Amount (mm)

0.02
0.01
0
0
0.01
0.03
0.06
0.05
0.03
0.01
0.01
0.01
0.02
0.03
0.05
0.06
0.04
0.01
0.01
0
0.01
0.01
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
11
12
13
13
14
13
13
12
12
11
11
11
11
11
11
11
11
11
8
7
6
7
11

Dew Point (°C)

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

Relative Humidity (%)

76
74
72
69
69
72
76
79
80
80
83
84
85
86
88
89
90
91
91
92
93
95
93
87

Pressure (mb)

1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

270
270
270
270
270
270
270
271
271
272
272
273
273
274
274
274
275
277
278
277
276
275
276
276

Monday 28

Waxing Gibbous 92%

18:11

03:54

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 OK
02 OK
03 OK
04 Good
05 Good
06 Good
07 OK
08 Bad
09 OK

Sun - Rise: 07:01, Set: 18:46, Transit: 12:53. Moon - Rise: 18:11, Set: 03:54. Civil Dark: 19:19 - 06:28. Nautical Dark: 19:58 - 05:49. Astro Dark: 20:38 - 05:09

Total Clouds (% Sky Obscured)

99
99
99
64
64
64
64
64
64
77
77
77
77
77
77
10
10
10
10
10
10
44
44
44

Low Clouds (% Sky Obscured)

5
5
5
64
64
64
64
64
64
58
58
58
58
58
58
6
6
6
6
6
6
1
1
1

Medium Clouds (% Sky Obscured)

98
98
98
0
0
0
0
0
0
70
70
70
70
70
70
9
9
9
9
9
9
0
0
0

High Clouds (% Sky Obscured)

75
75
75
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
43
43
43

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

Precipitation Amount (mm)

0
0
0.01
0.02
0.04
0.07
0.07
0.04
0.01
0
0
0
0.01
0.02
0.03
0.03
0.02
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
15
16
18
19
20
20
19
18
17
15
15
14
13
13
13
12
12
12
12
10
10
11
12

Feels Like (°C)

13
15
16
18
19
20
20
19
18
17
15
15
14
13
13
13
12
12
12
12
10
10
11
12

Dew Point (°C)

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

Relative Humidity (%)

83
77
70
64
61
60
62
66
72
76
78
81
83
85
87
90
91
91
91
92
93
94
92
87

Pressure (mb)

1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1014

Ozone (du)

277
277
277
276
276
276
276
278
279
281
282
283
283
284
284
284
283
282
281
282
282
282
282
282

Tuesday 29

Waxing Gibbous 96%

18:30

05:04

10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
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

Sun - Rise: 07:03, Set: 18:43, Transit: 12:52. Moon - Rise: 18:30, Set: 05:04. Civil Dark: 19:16 - 06:30. Nautical Dark: 19:55 - 05:51. Astro Dark: 20:35 - 05:11

Total Clouds (% Sky Obscured)

44
44
44
28
28
28
28
28
28
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
1
28
28
28
28
28
28
11
11
11
11
11
11
2
2
2
2
2
2
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
8
8
8
8
8
8
100
100
100
100
100
100
59
59
59

High Clouds (% Sky Obscured)

43
43
43
0
0
0
0
0
0
100
100
100
100
100
100
98
98
98
98
98
98
6
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
9
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
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
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
3
3
3
3
2
2
3
4
5
6
7
7
0
10
23
39
55
66
73

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.02
0.02
0.02
0.02
0.01
0.01
0.02
0.02
0.01
0.01
0.01
0
0.01
0.03
0.12
0.26
0.49
0.81

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
76
69
64
61
61
62
65
67
70
73
75
78
79
80
81
85
89
92
92
91
91
94
94

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1011
1011
1010
1009
1008
1007
1006
1005
1004
1003

Ozone (du)

281
281
282
282
283
285
287
289
292
295
297
299
301
301
301
300
300
300
301
304
307
309
310
309

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

Generated: 23/09/20 10:40:37. Forecast: 23/09/20 to 29/09/20. Timezone: UTC+1.00