Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Gibbous 90%

17:56

03:29

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

Sun - Rise: 06:47, Set: 19:00, Transit: 12:53. Moon - Rise: 17:56, Set: 03:29. Civil Dark: 19:34 - 06:13. Nautical Dark: 20:13 - 05:34. Astro Dark: 20:55 - 04:53

Total Clouds (% Sky Obscured)

26
13
65
32
33
19
56
19
15
8
3
1
2
86
78
54
93
94
99
100
99
94
78
95

Low Clouds (% Sky Obscured)

23
9
27
12
20
16
50
15
13
4
2
1
0
0
0
0
0
0
0
0
0
0
0
8

Medium Clouds (% Sky Obscured)

2
9
39
31
28
7
26
14
12
6
2
0
0
0
0
0
2
3
1
2
2
19
60
86

High Clouds (% Sky Obscured)

4
0
42
1
5
0
2
0
0
0
0
0
1
86
78
54
93
93
99
100
99
93
71
91

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
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)

20
21
22
23
24
24
23
20
18
13
14
14
12
10
11
11
10
10
9
9
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
52
50
49
48
48
48
50
52
55
58
61
65
68
70
72
75
77
79
81
81
79
73
67

Pressure (mb)

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

Ozone (du)

324
326
326
324
321
319
318
318
317
316
313
311
308
305
302
300
298
296
294
293
291
289
287
285

Saturday 22

Waxing Gibbous 95%

18:23

04:34

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: 06:48, Set: 18:58, Transit: 12:52. Moon - Rise: 18:23, Set: 04:34. Civil Dark: 19:31 - 06:15. Nautical Dark: 20:11 - 05:36. Astro Dark: 20:52 - 04:55

Total Clouds (% Sky Obscured)

99
100
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)

12
17
22
8
11
18
31
54
100
100
100
100
100
100
100
100
100
100
100
99
99
100
100
99

Medium Clouds (% Sky Obscured)

85
98
88
99
99
100
100
100
100
100
100
100
100
100
100
100
86
85
19
81
95
100
100
98

High Clouds (% Sky Obscured)

99
99
97
99
99
95
97
70
41
22
8
6
0
0
0
4
70
88
84
27
56
57
38
81

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
9
7
6
8
8
7
6
5
4
4
4
7
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
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
Light Rain

Precipitation Probability (%)

0
0
0
0
0
4
14
25
36
45
48
51
55
57
61
67
74
79
70
63
59
56
50
47

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.11
0.44
0.82
0.95
0.94
0.92
0.83
0.69
0.65
0.8
1.08
1.32
1.37
1.35
1.29
1.17
1.21
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
57
54
53
53
54
58
66
74
78
83
87
90
92
92
91
92
92
92
93
95
97
98
97

Pressure (mb)

1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1018
1016
1015
1013
1012
1010
1009
1008
1007
1006
1006
1005

Ozone (du)

283
282
281
280
279
278
277
276
276
275
275
275
275
275
275
274
273
272
273
274
276
277
278
279

Sunday 23

Waxing Gibbous 99%

18:46

05:42

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
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
10 Good

Sun - Rise: 06:50, Set: 18:56, Transit: 12:52. Moon - Rise: 18:46, Set: 05:42. Civil Dark: 19:29 - 06:17. Nautical Dark: 20:08 - 05:37. Astro Dark: 20:50 - 04:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
88
99
6
63
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

100
100
100
100
87
77
99
1
2
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

77
99
95
100
100
79
11
6
63
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

92
100
41
0
0
0
5
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
8
5
5
5
7
9
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

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

Precipitation Probability (%)

54
56
60
64
70
70
65
49
32
24
15
6
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.11
0.81
0.63
0.66
0.84
0.91
0.66
0.34
0.17
0.09
0.04
0.02
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
19
21
24
26
29
26
25
24
21
18
15
14
13
13
12
11
10
9
8
7
7
7
7

Chance of Frost

Temperature (°C)

17
18
18
16
14
12
11
11
11
10
10
10
9
8
8
8
7
7
6
5
4
5
7
9

Feels Like (°C)

17
18
18
16
14
12
11
11
11
10
10
7
6
5
5
4
4
4
3
2
2
3
5
7

Dew Point (°C)

16
17
16
15
13
11
10
8
7
7
6
5
5
5
5
4
4
4
3
3
3
3
4
4

Relative Humidity (%)

95
94
93
94
94
93
88
82
78
76
75
75
76
78
79
80
82
82
84
86
88
87
80
72

Pressure (mb)

1003
1002
1001
1000
1000
1001
1005
1009
1013
1016
1019
1022
1024
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036

Ozone (du)

283
289
294
300
307
311
310
307
304
302
299
297
295
292
290
288
287
286
284
282
281
280
279
278

Monday 24

Waxing Gibbous 100%

19:08

06:50

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

Sun - Rise: 06:52, Set: 18:53, Transit: 12:52. Moon - Rise: 19:08, Set: 06:50. Civil Dark: 19:27 - 06:18. Nautical Dark: 20:06 - 05:39. Astro Dark: 20:47 - 04:58

Total Clouds (% Sky Obscured)

0
0
39
39
39
39
39
39
90
90
90
90
90
90
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
8
8
8
8
8
8
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
18
18
18
18
18
18
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
34
34
34
34
34
34
88
88
88
88
88
88
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)

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

Chance of Frost

Temperature (°C)

11
12
13
13
14
14
14
13
11
10
9
8
7
6
6
5
5
4
4
3
3
5
8
11

Feels Like (°C)

11
12
13
13
14
14
14
13
11
10
8
6
5
5
4
4
4
3
2
2
1
3
7
11

Dew Point (°C)

4
4
4
4
4
3
3
3
3
3
3
4
4
3
3
3
2
2
2
1
2
3
4
6

Relative Humidity (%)

65
60
56
53
51
49
49
52
56
61
68
74
79
82
83
83
83
85
86
89
91
87
79
72

Pressure (mb)

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

Ozone (du)

277
276
274
273
272
271
270
269
269
269
270
271
271
271
271
272
273
273
273
272
271
270
269
267

Tuesday 25

Full Moon 99%

19:28

08:00

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
10 OK

Sun - Rise: 06:53, Set: 18:51, Transit: 12:51. Moon - Rise: 19:28, Set: 08:00. Civil Dark: 19:24 - 06:20. Nautical Dark: 20:04 - 05:41. Astro Dark: 20:44 - 05:00

Total Clouds (% Sky Obscured)

0
0
11
11
11
11
11
11
0
0
0
0
0
0
0
0
0
0
0
0
31
31
31
31

Low Clouds (% Sky Obscured)

0
0
11
11
11
11
11
11
0
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
31
31
31
31

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
5
5
5
5
5
5
5
5
5
4
4
4
4
4
3
3
3
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
60
56
52
49
49
51
56
60
64
66
68
70
72
72
73
75
79
83
89
90
84
75
66

Pressure (mb)

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

Ozone (du)

267
266
265
264
264
263
262
262
261
261
262
262
261
259
258
257
256
255
254
254
254
253
253
253

Wednesday 26

Waning Gibbous 96%

19:50

09:11

11 OK
12 OK
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
10 Good

Sun - Rise: 06:55, Set: 18:49, Transit: 12:51. Moon - Rise: 19:50, Set: 09:11. Civil Dark: 19:22 - 06:22. Nautical Dark: 20:01 - 05:42. Astro Dark: 20:42 - 05:02

Total Clouds (% Sky Obscured)

31
31
42
42
42
42
42
42
0
0
0
0
0
0
0
0
0
0
0
0
8
8
8
8

Low Clouds (% Sky Obscured)

0
0
8
8
8
8
8
8
0
0
0
0
0
0
0
0
0
0
0
0
8
8
8
8

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)

31
31
38
38
38
38
38
38
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
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
5
6
6
6
5
5
5
5
5
5
5
4
4
4
3
2
4
3
2
4
5
5
6

Chance of Frost

Temperature (°C)

13
15
16
18
18
18
18
16
14
13
12
10
9
9
8
8
7
6
5
4
4
6
9
12

Feels Like (°C)

13
15
16
18
18
18
18
16
14
13
12
10
8
8
7
7
7
5
4
4
3
4
8
12

Dew Point (°C)

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

Relative Humidity (%)

59
53
47
44
42
42
45
51
57
61
65
69
71
73
74
75
78
81
85
91
92
86
76
68

Pressure (mb)

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

Ozone (du)

252
252
251
251
251
251
252
252
253
254
255
256
258
260
262
262
261
260
261
261
262
261
260
260

Thursday 27

Waning Gibbous 91%

20:12

10:23

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
10 OK

Sun - Rise: 06:56, Set: 18:47, Transit: 12:51. Moon - Rise: 20:12, Set: 10:23. Civil Dark: 19:20 - 06:23. Nautical Dark: 19:59 - 05:44. Astro Dark: 20:39 - 05:04

Total Clouds (% Sky Obscured)

8
8
0
0
0
0
0
0
0
0
0
0
0
0
16
16
16
16
16
16
32
32
32
32

Low Clouds (% Sky Obscured)

8
8
0
0
0
0
0
0
0
0
0
0
0
0
15
15
15
15
15
15
14
14
14
14

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
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
22
22
22
22

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
17
19
20
20
20
19
17
16
15
13
12
12
11
11
10
9
9
8
6
6
6
8
10

Feels Like (°C)

14
17
19
20
20
20
19
17
16
15
13
12
12
11
11
10
7
6
5
4
3
4
6
8

Dew Point (°C)

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

Relative Humidity (%)

63
59
56
55
54
54
55
57
59
62
67
73
77
79
79
79
77
77
80
86
89
85
76
67

Pressure (mb)

1025
1025
1025
1024
1024
1023
1024
1024
1025
1026
1027
1027
1028
1029
1029
1030
1030
1031
1031
1032
1033
1033
1034
1035

Ozone (du)

259
258
258
257
257
257
257
258
259
259
259
261
266
272
277
282
286
290
292
293
294
294
293
292

Forecast for Enfield, Greater London, UK (51.65,-0.08)

Generated: 21/09/18 11:31:08. Forecast: 21/09/18 to 27/09/18. Timezone: UTC+1.00