Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

Waxing Gibbous 84%

17:32

02:33

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
03 Bad

Sun - Rise: 06:50, Set: 19:09, Transit: 13:00. Moon - Rise: 17:32, Set: 02:33. Civil Dark: 19:43 - 06:17. Nautical Dark: 20:22 - 05:37. Astro Dark: 21:04 - 04:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
100
100
100
100
100
99
87
95
99
100
100
99
99
100
100
100
24
16

Low Clouds (% Sky Obscured)

100
100
100
88
70
66
62
100
100
100
100
95
61
66
68
84
98
85
1
73
98
100
17
13

Medium Clouds (% Sky Obscured)

94
93
99
91
98
81
28
14
77
41
29
38
27
40
61
47
56
91
92
99
91
100
16
8

High Clouds (% Sky Obscured)

99
70
93
99
98
95
100
88
99
98
94
94
61
89
97
99
99
98
98
100
100
3
0
0

ISS Passover

Visibility (miles)

5
7
8
9
7
5
4
4
4
5
8
10
10
10
10
10
10
7
3
2
2
3
7
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
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

25
30
37
44
52
64
66
59
53
45
40
29
28
24
18
21
40
70
77
78
75
68
50
36

Precipitation Amount (mm)

0.27
0.25
0.41
0.51
0.62
0.78
0.89
0.87
0.78
0.65
0.48
0.41
0.41
0.29
0.14
0.13
0.49
1.45
2.33
2.3
1.79
1.22
0.62
0.16

Wind Speed/Direction (mph)

3
6
10
13
14
15
16
18
19
21
22
22
23
23
24
24
24
24
28
24
25
24
23
22

Chance of Frost

Temperature (°C)

14
14
15
15
16
16
16
16
16
17
17
17
17
17
17
18
17
17
18
17
17
16
14
11

Feels Like (°C)

14
14
15
15
16
16
16
17
17
17
17
17
17
17
18
18
17
17
18
17
17
16
14
11

Dew Point (°C)

14
14
14
14
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
14
11
8

Relative Humidity (%)

99
96
93
93
93
94
93
93
93
92
90
90
90
88
87
86
87
88
86
91
91
89
86
83

Pressure (mb)

1012
1012
1011
1011
1011
1011
1010
1010
1009
1008
1008
1007
1006
1005
1004
1003
1002
1000
999
998
997
997
998
1000

Ozone (du)

293
294
295
295
295
294
294
294
295
295
294
293
292
293
295
296
295
293
292
296
301
305
309
312

Friday 21

Waxing Gibbous 90%

18:03

03:36

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

Sun - Rise: 06:52, Set: 19:07, Transit: 13:00. Moon - Rise: 18:03, Set: 03:36. Civil Dark: 19:40 - 06:19. Nautical Dark: 20:20 - 05:39. Astro Dark: 21:01 - 04:58

Total Clouds (% Sky Obscured)

46
70
9
50
44
23
16
27
15
20
29
70
34
12
24
9
31
37
85
99
91
73
99
95

Low Clouds (% Sky Obscured)

23
25
7
3
1
21
14
9
8
19
29
59
19
10
19
9
0
1
0
0
0
1
2
2

Medium Clouds (% Sky Obscured)

41
66
2
46
39
2
9
25
12
9
1
55
28
7
15
1
0
0
0
0
0
0
1
6

High Clouds (% Sky Obscured)

0
0
0
25
34
1
0
0
0
0
0
0
0
0
0
0
31
36
85
99
91
73
99
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

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

Precipitation Probability (%)

16
0
0
0
0
0
0
0
7
8
6
4
2
2
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.02
0
0
0
0
0
0
0
0.03
0.05
0.05
0.03
0.02
0.01
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

20
18
16
16
16
18
21
24
26
27
26
24
22
20
17
15
14
13
12
11
11
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
4
5
6
10
12
13
13
14
15
16
16
16
15
14
13
12
11
11
10
7
7
7

Dew Point (°C)

6
5
5
5
5
5
6
6
6
6
6
6
6
6
7
7
7
7
6
6
6
6
6
6

Relative Humidity (%)

81
82
83
81
77
71
67
64
62
59
56
53
52
53
57
62
66
69
72
75
77
79
82
84

Pressure (mb)

1002
1003
1005
1006
1007
1008
1008
1009
1010
1010
1011
1012
1012
1013
1014
1015
1015
1016
1017
1018
1018
1018
1019
1019

Ozone (du)

315
317
318
319
321
322
323
322
319
318
317
316
316
315
315
314
313
312
310
307
303
300
298
298

Saturday 22

Waxing Gibbous 95%

18:29

No Set

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
03 Bad

Sun - Rise: 06:54, Set: 19:05, Transit: 12:59. Moon - Rise: 18:29, Set: No Set. Civil Dark: 19:38 - 06:20. Nautical Dark: 20:18 - 05:41. Astro Dark: 20:59 - 05:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
2
2
2
1
0
0
20
41
80
99
88
93
99
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

41
77
92
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
1
1
1

High Clouds (% Sky Obscured)

100
100
100
100
99
99
98
90
34
1
45
89
90
91
56
0
0
0
0
0
0
1
1
1

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
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

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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
7
12
19
29
35
35
39
40
35
32
30
34
39
45
47
51

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.01
0.03
0.07
0.14
0.2
0.22
0.22
0.21
0.19
0.15
0.15
0.2
0.31
0.41
0.41
0.43

Wind Speed/Direction (mph)

8
7
7
6
7
7
7
8
8
8
8
7
6
6
5
5
6
8
9
9
9
9
10
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
90
89
85
78
72
68
65
64
65
67
71
76
80
84
86
87
88
90
91
91
90
90

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1017
1017
1016
1016
1015
1014
1013
1012
1011
1009

Ozone (du)

297
295
293
291
290
289
287
286
284
283
282
282
281
281
281
280
280
280
280
280
280
279
280
280

Sunday 23

Waxing Gibbous 99%

18:53

04:42

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 Bad
02 Bad
03 Bad

Sun - Rise: 06:55, Set: 19:03, Transit: 12:59. Moon - Rise: 18:53, Set: 04:42. Civil Dark: 19:36 - 06:22. Nautical Dark: 20:15 - 05:43. Astro Dark: 20:56 - 05:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
3
3
3
3
3
3
48
48
48

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
3
3
3
3
3
3
0
0
0

Medium Clouds (% Sky Obscured)

1
1
1
91
91
91
91
91
91
84
84
84
84
84
84
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
1
1
41
41
41
41
41
41
2
2
2
2
2
2
0
0
0
0
0
0
48
48
48

ISS Passover

Visibility (miles)

6
6
6
6
5
4
3
3
2
3
3
4
4
5
5
7
9
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
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

57
62
67
73
80
80
81
81
82
76
75
62
48
30
15
3
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.55
0.96
1.88
2.82
3.11
3.07
2.98
2.85
2.7
2.47
1.98
1.37
0.83
0.38
0.09
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
14
15
16
16
15
16
18
22
25
29
34
36
33
27
22
19
18
17
16
15
14
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
14
15
16
16
16
15
13
12
11
5
4
4
5
6
6
6
5
5
4
4
4
3

Dew Point (°C)

10
12
13
14
15
16
16
14
12
11
9
8
6
6
5
5
5
5
4
4
4
4
4
3

Relative Humidity (%)

90
91
92
94
96
96
96
95
93
91
89
86
84
79
74
71
71
72
74
75
76
77
78
80

Pressure (mb)

1008
1006
1004
1003
1001
1000
999
997
995
994
996
1000
1004
1007
1012
1015
1018
1021
1023
1025
1027
1028
1029
1030

Ozone (du)

280
281
281
283
287
293
299
307
316
322
325
325
324
324
322
319
313
305
297
292
287
283
280
278

Monday 24

Waxing Gibbous 100%

19:14

05:49

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

Sun - Rise: 06:57, Set: 19:00, Transit: 12:58. Moon - Rise: 19:14, Set: 05:49. Civil Dark: 19:33 - 06:24. Nautical Dark: 20:13 - 05:44. Astro Dark: 20:53 - 05:04

Total Clouds (% Sky Obscured)

48
48
48
23
23
23
23
23
23
18
18
18
18
18
18
50
50
50
50
50
50
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
14
14
14
14
14
14
47
47
47
47
47
47
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
40
40
40
40
40
40
0
0
0

High Clouds (% Sky Obscured)

48
48
48
23
23
23
23
23
23
5
5
5
5
5
5
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
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
2
2
3
2
3
3
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.02
0.01
0.01
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
5
5
5
6
8
10
12
13
14
15
14
14
13
12
11
9
8
7
6
5
5
5
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
85
84
81
75
69
62
56
52
52
53
55
59
63
68
73
77
81
83
82
82
82
83

Pressure (mb)

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

Ozone (du)

276
275
275
274
274
274
274
274
274
274
273
272
272
272
272
272
272
271
271
270
270
269
268
267

Tuesday 25

Full Moon 99%

19:35

06:57

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

Sun - Rise: 06:58, Set: 18:58, Transit: 12:58. Moon - Rise: 19:35, Set: 06:57. Civil Dark: 19:31 - 06:25. Nautical Dark: 20:10 - 05:46. Astro Dark: 20:51 - 05:05

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
8
8
8
8
8
8
50
50
50
50
50
50
48
48
48

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
8
8
8
8
8
8
2
2
2
2
2
2
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
0
0
0
0
0
0
0
0
0
0
0
49
49
49
49
49
49
48
48
48

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

Wind Speed/Direction (mph)

3
3
3
3
4
4
5
6
7
7
8
8
9
8
7
7
7
7
8
7
6
6
6
5

Chance of Frost

Temperature (°C)

3
2
1
2
4
7
11
13
14
15
16
17
17
16
14
13
11
10
9
8
7
7
7
6

Feels Like (°C)

3
2
1
0
2
6
11
13
14
15
16
17
17
16
14
13
11
8
7
6
6
5
5
4

Dew Point (°C)

1
0
-0
0
1
3
4
5
5
6
6
6
6
6
6
6
5
5
4
4
4
4
4
4

Relative Humidity (%)

86
88
90
89
84
72
63
58
56
53
51
50
51
53
58
63
67
71
75
78
80
82
84
86

Pressure (mb)

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

Ozone (du)

265
264
263
262
261
260
259
258
257
256
255
253
252
252
252
253
252
252
252
252
252
252
252
253

Wednesday 26

Waning Gibbous 96%

19:57

08:07

04 Bad
05 Bad
06 Bad
07 OK
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
03 Good

Sun - Rise: 07:00, Set: 18:56, Transit: 12:58. Moon - Rise: 19:57, Set: 08:07. Civil Dark: 19:29 - 06:27. Nautical Dark: 20:08 - 05:48. Astro Dark: 20:48 - 05:07

Total Clouds (% Sky Obscured)

48
48
48
25
25
25
25
25
25
70
70
70
70
70
70
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
6
6
6
6
6
6
0
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)

48
48
48
25
25
25
25
25
25
68
68
68
68
68
68
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
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)

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

Chance of Frost

Temperature (°C)

6
5
4
4
6
9
12
14
16
18
19
20
20
19
17
15
14
13
12
11
11
11
10
10

Feels Like (°C)

4
3
2
2
4
8
12
14
16
18
19
20
20
19
17
15
14
13
12
11
11
11
10
8

Dew Point (°C)

4
4
4
4
4
6
7
7
7
7
7
7
8
8
7
7
7
7
7
8
8
8
8
8

Relative Humidity (%)

89
93
96
95
88
78
69
61
54
49
46
45
45
49
55
60
65
69
73
78
82
85
88
89

Pressure (mb)

1028
1028
1027
1027
1027
1027
1026
1026
1026
1025
1025
1024
1024
1023
1023
1023
1023
1024
1024
1024
1024
1023
1023
1023

Ozone (du)

253
254
255
256
257
259
260
260
260
261
262
263
264
263
263
262
262
263
262
262
262
261
260
259

Forecast for Swindon, Wiltshire, UK (51.56,-1.78)

Generated: 20/09/18 04:18:33. Forecast: 20/09/18 to 26/09/18. Timezone: UTC+1.00