Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Gibbous 90%

18:03

03:36

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

Sun - Rise: 06:54, Set: 19:07, Transit: 13:00. Moon - Rise: 18:03, Set: 03:36. Civil Dark: 19:40 - 06:20. Nautical Dark: 20:20 - 05:41. Astro Dark: 21:01 - 05:00

Total Clouds (% Sky Obscured)

28
34
38
66
68
37
37
32
10
1
0
0
1
87
45
37
97
97
100
100
100
99
83
98

Low Clouds (% Sky Obscured)

27
26
19
24
41
20
31
17
8
1
0
0
0
0
2
2
1
1
13
13
27
18
3
4

Medium Clouds (% Sky Obscured)

3
26
31
35
41
31
20
26
4
0
0
0
0
0
1
6
6
6
7
8
40
73
77
87

High Clouds (% Sky Obscured)

2
0
2
48
35
1
1
0
1
0
0
0
1
87
44
33
97
97
100
100
100
98
68
95

ISS Passover

Visibility (miles)

8
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
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
Very Light Rain
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

34
30
27
27
27
27
25
23
19
16
14
13
12
11
10
10
9
9
8
8
7
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
64
59
55
54
53
53
54
57
60
63
67
70
74
77
78
80
82
83
84
84
84
82
76

Pressure (mb)

1009
1009
1010
1010
1011
1011
1012
1013
1013
1014
1015
1016
1017
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1021

Ozone (du)

329
329
327
324
321
318
315
315
315
315
311
307
304
301
299
296
294
292
290
288
287
286
285
283

Saturday 22

Waxing Gibbous 95%

18:29

04:42

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: 06:55, Set: 19:05, Transit: 12:59. Moon - Rise: 18:29, Set: 04:42. Civil Dark: 19:38 - 06:22. Nautical Dark: 20:18 - 05:43. Astro Dark: 20:59 - 05:02

Total Clouds (% Sky Obscured)

100
96
99
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)

23
16
13
1
11
27
82
1
66
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

94
95
99
99
100
100
100
100
100
100
100
100
100
100
91
79
100
48
35
99
100
98
82
87

High Clouds (% Sky Obscured)

99
81
84
100
98
77
93
2
2
0
1
0
0
0
0
0
12
74
86
42
51
45
53
68

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
6
5
5
5
5
5
5
5
4
3
3
3
4
4
5

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Moderate 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

Precipitation Probability (%)

0
0
6
9
17
25
34
54
66
69
70
69
68
71
70
70
75
83
77
66
47
43
44
48

Precipitation Amount (mm)

0
0
0.01
0.03
0.09
0.24
0.52
1.12
2.04
2.58
2.04
1.26
0.92
0.76
0.65
0.65
0.79
1.11
1.39
1.4
1.35
1.42
1.64
1.99

Wind Speed/Direction (mph)

8
9
9
9
9
8
7
6
4
4
5
8
10
12
13
14
12
8
6
7
11
14
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
65
61
60
64
70
76
80
84
87
89
89
90
92
92
91
90
90
90
90
91
93
96
97

Pressure (mb)

1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1017
1015
1014
1012
1011
1010
1009
1008
1007
1006
1006
1005

Ozone (du)

282
281
281
280
279
277
276
274
273
272
273
273
274
274
274
274
273
273
273
274
276
278
278
279

Sunday 23

Waxing Gibbous 99%

18:53

05:49

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

Sun - Rise: 06:57, Set: 19:03, Transit: 12:59. Moon - Rise: 18:53, Set: 05:49. Civil Dark: 19:36 - 06:24. Nautical Dark: 20:15 - 05:44. Astro Dark: 20:56 - 05:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
76
25
28
0
9
4
0
0
2
0
0
0
0
0
1
1
1

Low Clouds (% Sky Obscured)

100
99
100
100
99
100
100
71
25
27
0
9
4
0
0
2
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
99
100
100
100
3
1
44
1
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

68
100
39
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1

ISS Passover

Visibility (miles)

6
8
10
10
10
7
5
4
5
7
9
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

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

Precipitation Probability (%)

59
68
67
67
67
66
61
53
34
9
4
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

2.18
1.97
1.54
1.1
0.74
0.64
0.66
0.43
0.15
0.03
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
17
18
20
23
25
27
25
23
22
19
16
13
12
11
10
9
8
7
6
5
5
6
6

Chance of Frost

Temperature (°C)

17
17
17
16
14
10
8
8
9
10
10
9
8
8
7
7
6
6
5
4
3
3
4
7

Feels Like (°C)

17
17
17
17
14
10
3
4
5
10
6
6
5
5
4
4
3
3
2
1
1
0
2
6

Dew Point (°C)

16
16
16
15
12
9
6
5
6
6
6
5
5
4
4
4
4
3
3
2
1
1
2
4

Relative Humidity (%)

96
95
93
92
91
89
86
82
79
77
76
75
76
79
81
82
84
86
88
89
89
89
86
80

Pressure (mb)

1004
1003
1001
1000
1002
1005
1009
1011
1014
1017
1020
1022
1025
1026
1028
1029
1030
1031
1032
1033
1034
1034
1035
1036

Ozone (du)

281
286
292
298
305
312
315
310
303
296
294
293
292
289
287
284
282
281
279
278
277
277
276
275

Monday 24

Waxing Gibbous 100%

19:14

06:57

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

Sun - Rise: 06:58, Set: 19:00, Transit: 12:58. Moon - Rise: 19:14, Set: 06:57. Civil Dark: 19:33 - 06:25. Nautical Dark: 20:13 - 05:46. Astro Dark: 20:53 - 05:05

Total Clouds (% Sky Obscured)

1
1
1
60
60
60
60
60
60
72
72
72
72
72
72
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
38
38
38
38
38
38
10
10
10
10
10
10
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

1
1
1
35
35
35
35
35
35
70
70
70
70
70
70
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)

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

Chance of Frost

Temperature (°C)

10
12
13
14
14
14
14
14
13
12
10
9
7
6
5
5
5
4
4
3
2
2
4
7

Feels Like (°C)

10
12
13
14
14
14
14
14
13
12
10
7
6
5
4
4
3
3
2
1
0
-0
2
5

Dew Point (°C)

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

Relative Humidity (%)

73
66
60
56
53
52
51
53
58
63
68
73
78
81
81
79
78
79
80
83
87
91
87
79

Pressure (mb)

1037
1037
1038
1038
1038
1038
1038
1038
1038
1038
1039
1039
1040
1040
1040
1040
1040
1040
1040
1040
1040
1040
1040
1040

Ozone (du)

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

Tuesday 25

Full Moon 99%

19:35

08:07

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

Sun - Rise: 07:00, Set: 18:58, Transit: 12:58. Moon - Rise: 19:35, Set: 08:07. Civil Dark: 19:31 - 06:27. Nautical Dark: 20:10 - 05:48. Astro Dark: 20:51 - 05:07

Total Clouds (% Sky Obscured)

0
0
0
20
20
20
20
20
20
2
2
2
2
2
2
2
2
2
2
2
2
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
20
20
20
20
20
20
2
2
2
2
2
2
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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
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
7
7
7
6
6
5
4
4
4
5
5
5
5
4
4
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

10
12
14
15
16
16
16
15
13
12
10
9
8
7
7
7
6
5
5
4
3
3
5
8

Feels Like (°C)

10
12
14
15
16
16
16
15
13
12
10
8
6
6
5
5
5
4
3
2
1
1
3
7

Dew Point (°C)

5
6
6
7
7
6
6
6
6
6
5
5
4
3
3
3
2
2
2
2
2
2
3
5

Relative Humidity (%)

71
65
60
56
54
52
52
55
62
67
71
74
77
77
77
76
77
79
82
86
92
94
88
79

Pressure (mb)

1040
1039
1039
1039
1038
1037
1036
1036
1035
1035
1035
1035
1035
1035
1035
1034
1034
1033
1033
1032
1032
1032
1032
1031

Ozone (du)

266
265
264
263
262
262
262
261
261
261
261
261
260
260
259
258
257
257
256
256
257
257
257
256

Wednesday 26

Waning Gibbous 96%

19:57

09:18

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

Sun - Rise: 07:02, Set: 18:56, Transit: 12:58. Moon - Rise: 19:57, Set: 09:18. Civil Dark: 19:29 - 06:28. Nautical Dark: 20:08 - 05:49. Astro Dark: 20:48 - 05:09

Total Clouds (% Sky Obscured)

0
0
0
26
26
26
26
26
26
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
22
22
22
22
22
22
0
0
0
0
0
0
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)

0
0
0
6
6
6
6
6
6
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
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)

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

Chance of Frost

Temperature (°C)

11
13
15
17
18
19
19
18
16
14
12
11
10
9
8
7
7
6
6
5
3
3
5
8

Feels Like (°C)

11
13
15
17
18
19
19
18
16
14
12
11
8
7
6
6
6
5
4
3
2
3
4
7

Dew Point (°C)

6
7
7
7
7
7
7
7
7
7
7
6
6
5
5
4
4
4
3
3
2
2
3
4

Relative Humidity (%)

70
63
57
52
49
46
46
50
56
63
68
72
76
79
81
82
82
83
84
88
92
92
84
73

Pressure (mb)

1031
1031
1030
1030
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1026
1026
1026
1026
1026
1026

Ozone (du)

256
255
255
254
254
254
254
255
256
258
259
261
262
262
262
261
262
263
263
263
262
261
260
260

Thursday 27

Waning Gibbous 91%

20:19

No Set

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

Sun - Rise: 07:03, Set: 18:53, Transit: 12:57. Moon - Rise: 20:19, Set: No Set. Civil Dark: 19:26 - 06:30. Nautical Dark: 20:06 - 05:51. Astro Dark: 20:46 - 05:11

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
40
40
40

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
12
12
12

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
0
0
0
0
0
0
32
32
32

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
1
2
2
1
1
1
1
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.02
0.05
0.07
0.04
0.02
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
14
17
19
20
20
20
19
16
14
13
13
12
11
10
10
9
8
8
6
5
5
6
8

Feels Like (°C)

12
14
17
19
20
20
20
19
16
14
13
13
12
11
10
7
7
6
5
4
2
2
3
5

Dew Point (°C)

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

Relative Humidity (%)

64
61
60
59
57
55
55
57
62
68
72
77
81
81
79
77
79
82
85
88
93
93
87
77

Pressure (mb)

1026
1026
1026
1025
1025
1025
1025
1025
1025
1026
1027
1028
1029
1029
1030
1031
1031
1032
1032
1033
1033
1034
1034
1035

Ozone (du)

259
259
258
258
258
258
258
259
260
261
262
262
265
269
275
280
284
288
290
291
290
289
289
288

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

Generated: 21/09/18 10:39:19. Forecast: 21/09/18 to 27/09/18. Timezone: UTC+1.00