Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waxing Crescent 46%

14:40

22:30

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

Sun - Rise: 06:54, Set: 18:57, Transit: 12:55. Moon - Rise: 14:40, Set: 22:30. Civil Dark: 19:30 - 06:21. Nautical Dark: 20:10 - 05:42. Astro Dark: 20:50 - 05:01

Total Clouds (% Sky Obscured)

100
100
99
95
100
64
87
80
84
95
45
11
0
4
1
0
93
96
73
36
42
42
45
45

Low Clouds (% Sky Obscured)

34
38
16
13
28
53
13
7
8
20
2
10
0
1
1
0
0
3
18
4
2
1
1
9

Medium Clouds (% Sky Obscured)

51
99
99
95
100
45
84
33
79
94
45
2
0
3
0
0
93
96
70
36
41
42
44
42

High Clouds (% Sky Obscured)

100
100
48
9
99
20
33
72
71
1
0
0
0
0
0
0
0
2
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

Precipitation Type

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

Precipitation Probability (%)

17
100
97
22
26
28
26
15
12
11
13
15
13
7
0
0
0
0
28
48
55
45
30
26

Precipitation Amount (mm)

0.07
0.49
0.14
0.06
0.17
0.26
0.18
0.07
0.03
0.03
0.08
0.12
0.07
0.02
0
0
0
0
0.08
0.43
0.71
0.45
0.19
0.19

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
18
17
17
16
15
15
14
13
12
11
10
9
8
8
7
8
8
9
10
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
85
82
83
85
88
88
86
84
84
85
86
86
87
88
91
93
94
95
96
96
94
89
86

Pressure (mb)

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

Ozone (du)

276
281
286
289
290
292
293
295
297
302
308
311
310
306
302
300
298
297
298
299
301
302
303
305

Thursday 24

First Quarter 58%

15:45

23:23

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

Sun - Rise: 06:55, Set: 18:55, Transit: 12:54. Moon - Rise: 15:45, Set: 23:23. Civil Dark: 19:28 - 06:22. Nautical Dark: 20:07 - 05:43. Astro Dark: 20:48 - 05:03

Total Clouds (% Sky Obscured)

62
66
80
86
94
99
92
74
48
50
19
38
4
2
9
20
22
1
2
2
93
71
39
39

Low Clouds (% Sky Obscured)

14
25
21
20
17
13
19
23
30
16
9
8
2
1
9
17
2
1
1
2
93
68
35
38

Medium Clouds (% Sky Obscured)

57
62
77
84
93
91
88
43
20
13
3
8
2
1
1
1
8
1
2
0
1
4
0
2

High Clouds (% Sky Obscured)

1
0
8
11
30
99
73
60
20
38
11
32
1
0
0
2
19
0
0
0
0
6
5
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

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
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

22
13
11
13
14
14
13
6
6
13
20
22
26
32
33
29
18
10
7
7
6
4
0
0

Precipitation Amount (mm)

0.14
0.06
0.02
0.01
0.01
0.02
0.01
0.01
0.01
0.01
0.02
0.03
0.06
0.09
0.11
0.07
0.03
0.01
0.01
0.01
0.01
0.01
0
0

Wind Speed/Direction (mph)

18
19
19
19
18
17
14
10
7
6
6
6
6
7
7
9
10
11
12
13
14
16
18
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
76
70
65
61
60
63
68
72
77
81
86
89
90
92
93
94
96
98
99
98
92
85
77

Pressure (mb)

997
997
997
997
996
996
995
994
994
994
993
993
994
994
995
995
996
998
999
1001
1002
1003
1005
1006

Ozone (du)

311
318
324
326
327
327
327
327
328
329
329
331
332
333
335
336
337
338
338
338
338
338
338
338

Friday 25

Waxing Gibbous 68%

16:37

00:25

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

Sun - Rise: 06:57, Set: 18:53, Transit: 12:54. Moon - Rise: 16:37, Set: 00:25. Civil Dark: 19:26 - 06:24. Nautical Dark: 20:05 - 05:45. Astro Dark: 20:45 - 05:05

Total Clouds (% Sky Obscured)

16
56
62
41
45
22
16
6
8
2
3
0
0
6
26
26
26
26
26
26
0
0
0
0

Low Clouds (% Sky Obscured)

10
53
59
31
36
16
0
6
8
2
3
0
0
5
25
25
25
25
25
25
0
0
0
0

Medium Clouds (% Sky Obscured)

12
17
18
32
37
18
16
0
1
0
0
0
0
2
6
6
6
6
6
6
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
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
Very Light Rain
Very Light Rain
None
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
0
0
0
5
5
5
6
6
4
10
12
11
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.02
0.04
0.06
0.04
0.01
0.01

Wind Speed/Direction (mph)

21
21
21
21
20
19
16
14
12
12
13
14
14
13
13
12
11
11
10
10
10
11
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
62
56
53
53
54
57
61
65
69
71
73
74
76
78
80
82
84
85
86
86
82
74
69

Pressure (mb)

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

Ozone (du)

339
341
340
335
328
320
314
308
303
300
298
297
296
297
297
296
294
292
289
286
284
284
285
286

Saturday 26

Waxing Gibbous 78%

17:17

01:33

11 OK
12 OK
13 Bad
14 Bad
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
10 Bad

Sun - Rise: 06:58, Set: 18:51, Transit: 12:54. Moon - Rise: 17:17, Set: 01:33. Civil Dark: 19:24 - 06:25. Nautical Dark: 20:02 - 05:47. Astro Dark: 20:43 - 05:07

Total Clouds (% Sky Obscured)

0
0
17
17
17
17
17
17
99
99
99
99
99
99
52
52
52
52
52
52
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
17
17
17
17
17
17
98
98
98
98
98
98
48
48
48
48
48
48
20
20
20
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
97
97
97
97
97
97
27
27
27
27
27
27
91
91
91
91

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

10
10
10
10
9
7
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

24
37
40
36
22
18
17
17
13
9
6
5
4
5
5
4
3
0
0
0
0
0
0
1

Precipitation Amount (mm)

0.02
0.08
0.15
0.16
0.13
0.11
0.13
0.16
0.15
0.07
0.01
0.01
0.01
0.03
0.05
0.03
0.01
0
0
0
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
72
75
74
73
72
73
74
75
75
78
79
79
80
81
81
80
80
81
82
84
84
81
79

Pressure (mb)

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

Ozone (du)

285
285
284
282
280
278
277
275
274
273
272
271
270
270
270
269
268
267
268
268
268
269
269
269

Sunday 27

Waxing Gibbous 86%

17:47

02:44

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
10 Bad

Sun - Rise: 07:00, Set: 18:48, Transit: 12:53. Moon - Rise: 17:47, Set: 02:44. Civil Dark: 19:21 - 06:27. Nautical Dark: 20:00 - 05:48. Astro Dark: 20:40 - 05:08

Total Clouds (% Sky Obscured)

100
100
63
63
63
63
63
63
86
86
86
86
86
86
53
53
53
53
53
53
84
84
84
84

Low Clouds (% Sky Obscured)

20
20
16
16
16
16
16
16
19
19
19
19
19
19
22
22
22
22
22
22
1
1
1
1

Medium Clouds (% Sky Obscured)

91
91
61
61
61
61
61
61
74
74
74
74
74
74
30
30
30
30
30
30
23
23
23
23

High Clouds (% Sky Obscured)

100
100
0
0
0
0
0
0
44
44
44
44
44
44
16
16
16
16
16
16
80
80
80
80

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

Precipitation Probability (%)

0
0
0
3
9
10
10
7
0
6
7
8
9
10
12
11
7
3
0
0
4
0
0
0

Precipitation Amount (mm)

0
0
0
0.02
0.09
0.16
0.1
0.03
0
0.01
0.03
0.06
0.09
0.11
0.12
0.08
0.03
0.01
0
0
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
75
74
72
72
73
75
78
79
82
84
85
86
88
90
91
92
92
93
94
96
93
88
83

Pressure (mb)

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

Ozone (du)

269
269
270
270
270
270
271
271
272
272
273
273
273
274
274
276
277
278
277
275
274
275
276
277

Monday 28

Waxing Gibbous 92%

18:11

03:55

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

Sun - Rise: 07:02, Set: 18:46, Transit: 12:53. Moon - Rise: 18:11, Set: 03:55. Civil Dark: 19:19 - 06:29. Nautical Dark: 19:58 - 05:50. Astro Dark: 20:38 - 05:10

Total Clouds (% Sky Obscured)

84
84
85
85
85
85
85
85
51
51
51
51
51
51
12
12
12
12
12
12
41
41
41
41

Low Clouds (% Sky Obscured)

1
1
85
85
85
85
85
85
32
32
32
32
32
32
11
11
11
11
11
11
6
6
6
6

Medium Clouds (% Sky Obscured)

23
23
0
0
0
0
0
0
45
45
45
45
45
45
6
6
6
6
6
6
0
0
0
0

High Clouds (% Sky Obscured)

80
80
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
37
37
37
37

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
18
19
20
19
18
17
16
15
14
14
13
13
12
12
12
12
11
10
8
11
12
13

Dew Point (°C)

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

Relative Humidity (%)

77
70
63
60
60
62
67
73
75
78
79
81
84
87
90
91
92
92
93
94
96
94
88
81

Pressure (mb)

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

Ozone (du)

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

Tuesday 29

Waxing Gibbous 96%

18:30

05:04

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
10 Bad

Sun - Rise: 07:03, Set: 18:44, Transit: 12:53. Moon - Rise: 18:30, Set: 05:04. Civil Dark: 19:17 - 06:30. Nautical Dark: 19:55 - 05:52. Astro Dark: 20:35 - 05:12

Total Clouds (% Sky Obscured)

41
41
26
26
26
26
26
26
100
100
100
100
100
100
99
99
99
99
99
99
88
88
88
88

Low Clouds (% Sky Obscured)

6
6
26
26
26
26
26
26
41
41
41
41
41
41
1
1
1
1
1
1
70
70
70
70

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
26
26
26
26
26
26
95
95
95
95
95
95
71
71
71
71

High Clouds (% Sky Obscured)

37
37
0
0
0
0
0
0
100
100
100
100
100
100
98
98
98
98
98
98
13
13
13
13

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
6
4

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
Very Light Rain
Very Light Rain
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
Light Rain
Light Rain

Precipitation Probability (%)

0
2
3
3
3
7
6
4
3
3
3
1
4
6
12
11
11
14
25
39
53
63
70
71

Precipitation Amount (mm)

0
0.01
0.02
0.02
0.02
0.02
0.03
0.04
0.04
0.02
0.01
0.01
0.01
0.02
0.03
0.02
0.02
0.03
0.05
0.11
0.21
0.38
0.66
0.84

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
67
62
59
60
61
65
67
70
73
75
77
79
82
86
89
92
93
93
93
94
96
96
93

Pressure (mb)

1014
1014
1014
1014
1013
1013
1013
1013
1013
1012
1013
1012
1012
1011
1011
1010
1009
1008
1007
1006
1005
1004
1003
1002

Ozone (du)

281
281
282
284
285
287
289
292
295
297
299
301
301
300
300
300
300
301
303
306
308
309
309
310

Forecast for Sandhurst, Bracknell Forest, UK (51.35,-0.79)

Generated: 23/09/20 11:57:21. Forecast: 23/09/20 to 29/09/20. Timezone: UTC+1.00