Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 27

Waxing Gibbous 86%

17:59

03:02

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

Sun - Rise: 07:13, Set: 19:03, Transit: 13:08. Moon - Rise: 17:59, Set: 03:02. Civil Dark: 19:35 - 06:40. Nautical Dark: 20:14 - 06:02. Astro Dark: 20:53 - 05:23

Total Clouds (% Sky Obscured)

84
10
56
79
19
7
1
24
18
2
0
0
10
57
9
34
16
3
20
73
87
96
95
90

Low Clouds (% Sky Obscured)

82
10
56
79
19
7
1
24
18
2
0
0
0
0
0
0
0
0
0
0
0
0
13
81

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
16
24

High Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
10
57
9
34
16
3
20
73
87
96
93
34

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

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
11
12
14
15
16
17
16
16
16
16
16
14
12
11
9
8
7
6
5
4
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
83
84
81
78
75
73
71
69
68
69
72
75
76
78
82
85
88
89
90
90
91
91

Pressure (mb)

1018
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1018
1018
1018
1018
1017
1017
1016
1016

Ozone (du)

275
274
273
272
272
271
271
270
270
269
268
267
266
264
263
263
262
262
262
262
262
263
263
263

Monday 28

Waxing Gibbous 92%

18:23

04:12

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 OK
22 OK
23 OK
00 OK
01 Bad
02 OK
03 OK
04 OK

Sun - Rise: 07:14, Set: 19:01, Transit: 13:08. Moon - Rise: 18:23, Set: 04:12. Civil Dark: 19:33 - 06:42. Nautical Dark: 20:11 - 06:04. Astro Dark: 20:50 - 05:25

Total Clouds (% Sky Obscured)

100
98
64
82
100
94
99
88
99
81
89
71
99
100
90
45
21
20
16
21
45
23
27
34

Low Clouds (% Sky Obscured)

100
96
56
82
100
93
97
80
99
80
84
60
99
100
88
27
20
20
16
21
45
23
27
34

Medium Clouds (% Sky Obscured)

13
3
2
8
5
4
2
20
46
12
68
44
13
24
16
35
2
1
1
0
0
0
0
2

High Clouds (% Sky Obscured)

56
26
23
0
52
20
69
66
6
0
0
2
0
9
4
1
2
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
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

2
3
5
6
7
12
17
21
24
22
19
19
12
6
4
3
2
2
2
2
2
3
6
7

Precipitation Amount (mm)

0.01
0.02
0.03
0.03
0.03
0.04
0.08
0.23
0.37
0.31
0.2
0.13
0.07
0.02
0.01
0.01
0.01
0.01
0.01
0.01
0.03
0.07
0.14
0.21

Wind Speed/Direction (mph)

2
3
3
4
6
7
8
9
9
10
10
11
11
10
10
9
9
8
8
7
6
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
91
91
91
91
90
89
88
89
91
93
92
90
90
90
90
91
91
91
91
91
90

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

263
264
264
265
267
268
269
269
269
270
271
272
273
274
275
275
275
276
275
275
275
276
278
279

Tuesday 29

Waxing Gibbous 96%

18:44

No Set

05 OK
06 OK
07 OK
08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
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

Sun - Rise: 07:16, Set: 18:59, Transit: 13:07. Moon - Rise: 18:44, Set: No Set. Civil Dark: 19:31 - 06:43. Nautical Dark: 20:09 - 06:05. Astro Dark: 20:48 - 05:26

Total Clouds (% Sky Obscured)

22
21
32
54
32
63
60
56
53
45
68
70
51
55
89
89
89
89
89
89
100
100
100
100

Low Clouds (% Sky Obscured)

22
19
28
51
20
6
18
50
50
44
52
48
37
10
2
2
2
2
2
2
36
36
36
36

Medium Clouds (% Sky Obscured)

5
14
20
20
25
62
58
34
14
9
2
1
0
0
0
0
0
0
0
0
78
78
78
78

High Clouds (% Sky Obscured)

0
0
0
0
0
3
0
0
4
2
34
43
23
49
88
88
88
88
88
88
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

7
7
6
5
4
3
2
0
2
2
2
2
2
2
2
2
2
2
0
0
0
0
5
8

Precipitation Amount (mm)

0.2
0.16
0.11
0.05
0.01
0.01
0.01
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0.01
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
8
8
8
9
10
10
10
10
10
10
10
10
10
9
9
8
8
8
8
8
8
8
9

Relative Humidity (%)

91
91
89
88
89
87
83
79
73
70
69
72
76
79
82
84
86
89
90
91
92
92
93
93

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1015
1014
1014
1013

Ozone (du)

281
281
282
283
283
284
284
284
284
285
285
286
287
288
289
289
289
290
292
295
298
300
302
304

Wednesday 30

Waxing Gibbous 99%

19:01

05:21

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
03 Bad
04 Bad

Sun - Rise: 07:17, Set: 18:56, Transit: 13:07. Moon - Rise: 19:01, Set: 05:21. Civil Dark: 19:29 - 06:45. Nautical Dark: 20:07 - 06:07. Astro Dark: 20:46 - 05:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
49
49
49
49
49
49
60
60
60
60
60
60
75
75
75
75

Low Clouds (% Sky Obscured)

36
36
42
42
42
42
42
42
27
27
27
27
27
27
48
48
48
48
48
48
9
9
9
9

Medium Clouds (% Sky Obscured)

78
78
100
100
100
100
100
100
41
41
41
41
41
41
42
42
42
42
42
42
65
65
65
65

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
8
8
8
8
8
8
0
0
0
0
0
0
24
24
24
24

ISS Passover

Visibility (miles)

10
10
10
10
9
7
5
3
2
5
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
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
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

17
40
54
63
67
69
70
71
71
58
61
66
67
57
53
49
45
31
18
11
6
4
3
0

Precipitation Amount (mm)

0.09
0.23
0.4
0.53
0.64
0.79
0.98
1.21
1.38
0.72
0.8
0.86
0.76
0.64
0.57
0.5
0.43
0.34
0.2
0.09
0.03
0.01
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
11
11
12
12
12
13
13
15
14
14
13
13
12
12
11
11
10
6
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

92
92
91
91
93
93
93
93
94
85
88
91
94
92
91
92
92
93
93
93
94
93
92
92

Pressure (mb)

1012
1011
1010
1009
1009
1008
1007
1006
1006
1007
1006
1006
1006
1005
1006
1006
1007
1008
1008
1008
1009
1009
1009
1009

Ozone (du)

306
309
311
313
315
316
316
314
313
313
313
313
311
309
307
306
304
303
302
301
300
296
293
290

Thursday 1

Full Moon 100%

19:17

06:28

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
03 Bad
04 Bad

Sun - Rise: 07:19, Set: 18:54, Transit: 13:07. Moon - Rise: 19:17, Set: 06:28. Civil Dark: 19:27 - 06:47. Nautical Dark: 20:05 - 06:09. Astro Dark: 20:43 - 05:30

Total Clouds (% Sky Obscured)

75
75
96
96
96
96
96
96
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

9
9
9
9
9
9
9
9
26
26
26
26
26
26
21
21
21
21
21
21
91
91
91
91

Medium Clouds (% Sky Obscured)

65
65
95
95
95
95
95
95
91
91
91
91
91
91
99
99
99
99
99
99
100
100
100
100

High Clouds (% Sky Obscured)

24
24
54
54
54
54
54
54
98
98
98
98
98
98
100
100
100
100
100
100
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
8
4
2
1
1
5
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
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
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
4
3
3
3
0
0
7
11
25
46
69
77
79
71
59
49
30
32
35
35
29
23

Precipitation Amount (mm)

0
0
0.01
0.01
0.01
0.01
0
0
0.01
0.04
0.15
0.37
0.87
1.72
2.29
1.88
1.18
0.77
0.66
1.08
1.56
1.26
0.66
0.29

Wind Speed/Direction (mph)

12
10
8
8
9
10
11
12
14
16
18
21
22
23
23
21
18
15
14
12
11
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
89
89
87
85
84
84
85
88
92
96
98
98
97
96
96
97
99
100
100
100
100

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1008
1007
1006
1005
1004
1002
1001
1000
999
999
998
998
998
997
997
997
996

Ozone (du)

288
288
287
287
287
287
288
290
291
292
293
294
295
297
299
300
300
301
303
305
307
308
309
309

Friday 2

Waning Gibbous 99%

19:32

07:35

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
03 Bad
04 Bad

Sun - Rise: 07:21, Set: 18:52, Transit: 13:06. Moon - Rise: 19:32, Set: 07:35. Civil Dark: 19:24 - 06:48. Nautical Dark: 20:02 - 06:10. Astro Dark: 20:41 - 05:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
54
54
54
54
54
54
54
54
54
54

Low Clouds (% Sky Obscured)

91
91
100
100
100
100
100
100
100
100
100
100
100
100
35
35
35
35
35
35
12
12
12
12

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
48
48
48
48
48
48
48
48
48
48

High Clouds (% Sky Obscured)

0
0
84
84
84
84
84
84
45
45
45
45
45
45
0
0
0
0
0
0
30
30
30
30

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
9
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
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 (%)

20
21
20
18
16
16
15
13
15
19
32
37
36
31
26
23
17
17
17
7
7
7
7
5

Precipitation Amount (mm)

0.12
0.05
0.04
0.04
0.05
0.08
0.07
0.07
0.08
0.16
0.33
0.44
0.29
0.11
0.04
0.02
0.03
0.04
0.03
0.02
0.02
0.01
0.01
0.01

Wind Speed/Direction (mph)

9
9
9
10
11
12
12
12
12
11
11
10
8
7
7
7
8
8
8
7
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
10
11
12
12
13
12
11
10
8
7
7
6
5
5
4
4
5
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

100
99
97
94
92
91
89
84
82
83
87
89
88
88
89
90
92
94
97
99
100
100
100
100

Pressure (mb)

995
995
995
994
994
994
993
993
992
992
992
992
991
991
991
991
991
991
991
991
991
991
991
992

Ozone (du)

310
311
312
313
314
315
314
311
311
313
317
322
327
332
336
340
342
344
345
344
344
343
343
343

Saturday 3

Waning Gibbous 96%

19:48

08:41

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
03 Bad
04 Bad

Sun - Rise: 07:22, Set: 18:50, Transit: 13:06. Moon - Rise: 19:48, Set: 08:41. Civil Dark: 19:22 - 06:50. Nautical Dark: 20:00 - 06:12. Astro Dark: 20:39 - 05:33

Total Clouds (% Sky Obscured)

54
54
65
65
65
65
65
65
99
99
99
99
99
99
99
99
99
99
99
99
39
39
39
39

Low Clouds (% Sky Obscured)

12
12
5
5
5
5
5
5
79
79
79
79
79
79
27
27
27
27
27
27
19
19
19
19

Medium Clouds (% Sky Obscured)

48
48
59
59
59
59
59
59
99
99
99
99
99
99
98
98
98
98
98
98
31
31
31
31

High Clouds (% Sky Obscured)

30
30
30
30
30
30
30
30
96
96
96
96
96
96
94
94
94
94
94
94
8
8
8
8

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

Precipitation Probability (%)

4
0
0
0
0
0
0
10
16
25
32
35
32
28
23
23
30
37
33
27
24
22
19
17

Precipitation Amount (mm)

0.01
0
0
0
0
0
0
0.02
0.06
0.1
0.19
0.26
0.2
0.12
0.09
0.1
0.26
0.42
0.34
0.18
0.1
0.06
0.04
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
96
93
89
87
84
82
81
84
89
90
90
91
92
94
97
100
100
100
100
100
100
100

Pressure (mb)

992
992
992
992
992
992
993
993
993
993
993
993
993
993
992
992
992
992
992
991
991
991
990
990

Ozone (du)

344
345
345
345
344
343
343
343
342
341
340
340
339
339
339
339
339
340
340
342
343
343
344
344

Forecast for Upton Cross, Cornwall, UK (50.54,-4.43)

Generated: 27/09/20 05:11:24. Forecast: 27/09/20 to 03/10/20. Timezone: UTC+1.00