Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waxing Crescent 46%

14:38

22:30

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

Sun - Rise: 06:53, Set: 18:57, Transit: 12:54. Moon - Rise: 14:38, Set: 22:30. Civil Dark: 19:29 - 06:20. Nautical Dark: 20:09 - 05:41. Astro Dark: 20:49 - 05:00

Total Clouds (% Sky Obscured)

100
99
100
100
95
38
72
97
100
97
86
54
2
1
6
1
0
1
13
98
98
41
31
43

Low Clouds (% Sky Obscured)

49
23
62
66
36
35
33
45
13
12
22
17
0
1
4
1
0
1
8
9
76
23
7
8

Medium Clouds (% Sky Obscured)

46
25
38
88
88
11
54
94
100
82
67
51
2
0
4
0
0
0
9
98
95
30
29
40

High Clouds (% Sky Obscured)

99
98
100
100
73
1
40
61
81
95
73
0
0
0
0
0
0
0
2
1
5
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
8
10
10
10
10
10
10
10
10
10
10
10
10
10
8
6
8

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

Precipitation Probability (%)

24
17
10
3
4
19
28
31
31
31
30
24
16
14
10
6
0
0
0
0
29
55
64
57

Precipitation Amount (mm)

0.02
0.04
0.02
0.01
0.01
0.04
0.16
0.27
0.24
0.23
0.26
0.22
0.15
0.11
0.05
0.01
0
0
0
0
0.07
0.39
0.67
0.52

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

97
93
89
86
84
84
86
88
90
91
91
91
88
87
88
89
90
92
93
95
96
98
99
98

Pressure (mb)

1002
1002
1002
1001
1001
1000
1000
999
999
998
998
999
999
1000
1001
1001
1001
1001
1001
1000
999
998
998
997

Ozone (du)

270
272
276
281
284
286
287
289
291
293
296
300
305
308
307
304
301
299
297
295
296
297
298
300

Thursday 24

First Quarter 58%

15:43

23:22

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

Sun - Rise: 06:54, Set: 18:54, Transit: 12:53. Moon - Rise: 15:43, Set: 23:22. Civil Dark: 19:27 - 06:21. Nautical Dark: 20:06 - 05:42. Astro Dark: 20:46 - 05:02

Total Clouds (% Sky Obscured)

45
46
54
93
89
95
100
100
98
97
66
42
32
0
71
92
98
98
98
79
9
0
1
20

Low Clouds (% Sky Obscured)

15
9
20
23
22
14
23
9
22
20
14
15
0
0
0
0
0
2
2
2
1
0
1
20

Medium Clouds (% Sky Obscured)

38
42
51
91
86
86
98
96
93
63
29
11
1
0
2
45
51
77
70
25
0
0
0
0

High Clouds (% Sky Obscured)

0
0
2
16
44
91
99
100
95
95
56
32
32
0
70
91
97
97
96
76
8
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

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
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

42
36
33
24
17
15
16
16
15
12
12
14
17
20
23
35
38
34
23
17
13
8
6
4

Precipitation Amount (mm)

0.31
0.3
0.29
0.25
0.2
0.11
0.04
0.02
0.02
0.02
0.02
0.01
0.01
0.01
0.03
0.1
0.17
0.12
0.05
0.02
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
89
85
80
75
70
66
66
68
71
75
79
84
89
91
92
93
94
95
95
97
98
98
94

Pressure (mb)

997
998
998
998
998
997
997
996
995
994
994
994
994
994
994
994
994
995
996
997
998
1000
1002
1003

Ozone (du)

301
304
309
315
320
323
326
327
327
326
325
327
328
330
332
333
335
336
337
338
338
338
338
338

Friday 25

Waxing Gibbous 68%

16:35

00:24

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

Sun - Rise: 06:56, Set: 18:52, Transit: 12:53. Moon - Rise: 16:35, Set: 00:24. Civil Dark: 19:25 - 06:23. Nautical Dark: 20:04 - 05:44. Astro Dark: 20:44 - 05:04

Total Clouds (% Sky Obscured)

77
70
36
30
32
47
44
23
20
24
17
17
17
17
17
17
2
2
2
2
2
2
2
2

Low Clouds (% Sky Obscured)

77
70
34
26
24
33
29
16
18
21
16
16
16
16
16
16
0
0
0
0
0
0
2
2

Medium Clouds (% Sky Obscured)

1
0
13
17
21
41
40
20
9
13
8
8
8
8
8
8
2
2
2
2
2
2
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
None
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
5
6
6
6
5
9
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
19
20
21
21
20
19
18
16
14
12
12
13
13
13
13
12
11
10
10
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
81
73
65
59
56
56
58
60
63
65
68
71
72
75
78
81
82
83
84
85
87
86
82

Pressure (mb)

1004
1005
1006
1008
1009
1010
1010
1011
1012
1013
1013
1014
1015
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1018

Ozone (du)

338
338
340
341
341
337
330
323
316
309
303
300
299
297
297
296
296
295
294
292
290
287
285
284

Saturday 26

Waxing Gibbous 78%

17:15

01:33

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

Sun - Rise: 06:58, Set: 18:50, Transit: 12:53. Moon - Rise: 17:15, Set: 01:33. Civil Dark: 19:23 - 06:25. Nautical Dark: 20:01 - 05:46. Astro Dark: 20:41 - 05:06

Total Clouds (% Sky Obscured)

2
2
2
2
6
6
6
6
6
6
34
34
34
34
34
34
15
15
15
15
15
15
3
3

Low Clouds (% Sky Obscured)

2
2
2
2
6
6
6
6
6
6
11
11
11
11
11
11
14
14
14
14
14
14
3
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
33
33
33
33
33
33
6
6
6
6
6
6
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

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
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 (%)

9
0
17
35
39
36
25
18
18
18
14
10
7
7
6
6
6
4
0
0
0
0
0
0

Precipitation Amount (mm)

0.01
0
0.01
0.06
0.12
0.12
0.09
0.08
0.12
0.17
0.19
0.12
0.04
0.02
0.02
0.03
0.04
0.02
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
68
68
72
75
75
73
72
73
73
74
75
77
79
79
80
81
81
80
80
81
82
84
84

Pressure (mb)

1018
1018
1017
1017
1017
1016
1015
1015
1015
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013

Ozone (du)

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

Sunday 27

Waxing Gibbous 86%

17:46

02:43

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

Sun - Rise: 06:59, Set: 18:47, Transit: 12:52. Moon - Rise: 17:46, Set: 02:43. Civil Dark: 19:20 - 06:26. Nautical Dark: 19:59 - 05:48. Astro Dark: 20:39 - 05:08

Total Clouds (% Sky Obscured)

3
3
3
3
11
11
11
11
11
11
9
9
9
9
9
9
92
92
92
92
92
92
57
57

Low Clouds (% Sky Obscured)

3
3
3
3
9
9
9
9
9
9
6
6
6
6
6
6
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)

0
0
0
0
2
2
2
2
2
2
4
4
4
4
4
4
92
92
92
92
92
92
57
57

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
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
3
10
11
11
7
3
4
7
8
9
11
15
13
6
1
0
0
4
3

Precipitation Amount (mm)

0
0
0
0
0
0.02
0.1
0.18
0.12
0.04
0.01
0.01
0.03
0.06
0.08
0.1
0.11
0.06
0.02
0.01
0
0
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
8
10
11
11
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
10
7
6
7

Dew Point (°C)

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

Relative Humidity (%)

81
78
76
75
75
76
77
78
79
79
79
80
82
83
85
88
90
91
92
92
93
95
97
94

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
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
271
271
271
271
271
272
273
273
273
274
274
276
277
278
278
276
275
275

Monday 28

Waxing Gibbous 92%

18:10

03:54

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:01, Set: 18:45, Transit: 12:52. Moon - Rise: 18:10, Set: 03:54. Civil Dark: 19:18 - 06:28. Nautical Dark: 19:57 - 05:49. Astro Dark: 20:36 - 05:10

Total Clouds (% Sky Obscured)

57
57
57
57
92
92
92
92
92
92
89
89
89
89
89
89
97
97
97
97
97
97
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
92
92
92
92
92
92
84
84
84
84
84
84
97
97
97
97
97
97
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
66
66
66
66
66
66
13
13
13
13
13
13
45
45

High Clouds (% Sky Obscured)

57
57
57
57
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
23

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

Precipitation Probability (%)

0
0
0
2
1
2
3
4
5
4
0
0
0
6
4
3
3
3
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.01
0.02
0.04
0.07
0.08
0.04
0.01
0
0
0
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
84
78
71
65
61
59
61
66
72
75
77
79
82
84
87
89
91
92
93
94
94
94
92

Pressure (mb)

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

Ozone (du)

276
277
277
277
277
277
276
277
278
280
281
281
281
281
282
283
283
283
282
281
282
282
283
282

Tuesday 29

Waxing Gibbous 96%

18:29

05:04

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

Sun - Rise: 07:02, Set: 18:43, Transit: 12:52. Moon - Rise: 18:29, Set: 05:04. Civil Dark: 19:16 - 06:29. Nautical Dark: 19:54 - 05:51. Astro Dark: 20:34 - 05:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
23
23
23
23
23
23
66
66
66
66
66
66
99
99

Low Clouds (% Sky Obscured)

100
100
100
100
97
97
97
97
97
97
13
13
13
13
13
13
0
0
0
0
0
0
1
1

Medium Clouds (% Sky Obscured)

45
45
45
45
100
100
100
100
100
100
17
17
17
17
17
17
66
66
66
66
66
66
81
81

High Clouds (% Sky Obscured)

23
23
23
23
16
16
16
16
16
16
0
0
0
0
0
0
6
6
6
6
6
6
95
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
Very Light Rain
Very Light Rain
Very Light Rain
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

Precipitation Probability (%)

0
0
0
5
5
4
4
7
7
6
5
5
4
3
5
7
12
12
13
17
24
34
45
59

Precipitation Amount (mm)

0
0
0
0.02
0.03
0.03
0.02
0.02
0.03
0.04
0.05
0.04
0.02
0.01
0.01
0.02
0.03
0.03
0.03
0.04
0.05
0.07
0.14
0.28

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
81
75
69
64
60
58
59
63
67
71
73
75
76
78
82
85
89
91
93
93
93
95
97

Pressure (mb)

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

Ozone (du)

281
280
280
281
282
282
283
285
288
291
295
297
298
299
299
299
299
299
299
300
302
305
307
309

Forecast for Guildford, Surrey, UK (51.24,-0.57)

Generated: 23/09/20 08:42:01. Forecast: 23/09/20 to 29/09/20. Timezone: UTC+1.00