Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

Waxing Gibbous 84%

17:27

02:23

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: 06:43, Set: 19:03, Transit: 12:53. Moon - Rise: 17:27, Set: 02:23. Civil Dark: 19:37 - 06:09. Nautical Dark: 20:17 - 05:29. Astro Dark: 20:59 - 04:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
88
91
95
98
99
100
100
99
99
100
95
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
89
80
98
29
13
25
19
89
52
100
2
1
100
5
35

Medium Clouds (% Sky Obscured)

72
94
99
100
96
82
34
30
38
52
69
73
16
3
12
36
34
17
23
37
83
34
92
100

High Clouds (% Sky Obscured)

97
98
84
91
100
97
97
86
98
98
99
90
84
90
94
97
94
99
96
99
98
100
47
0

ISS Passover

Visibility (miles)

3
5
6
7
8
9
9
9
8
8
10
10
10
10
10
10
10
10
10
10
9
6
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

20
28
42
52
52
46
42
40
44
40
28
15
9
6
0
6
7
17
26
34
59
63
51
45

Precipitation Amount (mm)

0.29
0.38
0.76
1.01
0.93
0.72
0.56
0.53
0.54
0.49
0.28
0.1
0.03
0.01
0
0.01
0.02
0.11
0.29
0.61
1.26
1.66
1.2
0.53

Wind Speed/Direction (mph)

5
6
7
8
9
12
15
18
19
20
21
22
24
24
24
24
24
23
24
25
26
25
29
27

Chance of Frost

Temperature (°C)

14
14
14
14
15
15
16
17
17
17
18
18
18
18
19
18
18
18
18
18
17
18
16
14

Feels Like (°C)

14
14
14
14
15
15
16
17
17
17
18
18
18
18
19
18
18
18
18
18
17
18
16
14

Dew Point (°C)

14
14
13
14
14
14
15
15
15
14
14
14
14
14
14
14
14
14
14
15
15
15
14
12

Relative Humidity (%)

97
98
98
97
96
94
91
88
85
83
81
79
78
77
76
78
79
81
80
83
88
85
92
88

Pressure (mb)

1013
1012
1012
1012
1011
1011
1011
1010
1010
1009
1008
1007
1006
1005
1004
1003
1002
1002
1000
999
997
996
996
996

Ozone (du)

291
292
292
292
292
292
292
292
292
292
292
292
291
291
291
291
291
291
292
294
296
299
303
307

Friday 21

Waxing Gibbous 90%

17:58

03:27

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

Sun - Rise: 06:45, Set: 19:00, Transit: 12:53. Moon - Rise: 17:58, Set: 03:27. Civil Dark: 19:34 - 06:11. Nautical Dark: 20:14 - 05:31. Astro Dark: 20:56 - 04:49

Total Clouds (% Sky Obscured)

23
86
98
67
21
29
83
32
34
21
29
61
70
34
26
27
13
7
1
0
2
98
99
100

Low Clouds (% Sky Obscured)

20
86
98
64
21
28
82
23
23
10
10
48
63
25
19
20
11
2
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

8
6
5
22
1
0
19
24
23
15
27
43
42
31
23
21
9
5
1
0
2
2
1
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
4
8
0
1
0
0
0
0
0
2
0
0
0
98
99
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
29
20
0
0
0
0
0
9
13
8
5
3
0
0
2
2
3
4
3
0
0
0
0

Precipitation Amount (mm)

0.22
0.1
0.03
0
0
0
0
0
0.03
0.05
0.04
0.02
0.01
0
0
0.01
0.01
0.01
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

26
24
22
21
21
22
23
24
25
25
25
25
24
22
19
17
16
15
14
13
12
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
7
6
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
7
7
6
6
6
6

Relative Humidity (%)

83
82
82
81
76
71
67
65
65
64
61
57
54
54
57
61
65
70
73
77
80
82
85
88

Pressure (mb)

997
998
1001
1003
1004
1005
1006
1007
1007
1008
1008
1009
1009
1010
1011
1012
1013
1014
1015
1016
1016
1017
1017
1018

Ozone (du)

311
313
313
315
318
323
326
327
328
327
325
323
320
318
317
316
318
319
320
320
318
317
314
311

Saturday 22

Waxing Gibbous 95%

18:24

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: 06:47, Set: 18:58, Transit: 12:52. Moon - Rise: 18:24, Set: No Set. Civil Dark: 19:32 - 06:13. Nautical Dark: 20:12 - 05:33. Astro Dark: 20:54 - 04:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
90
98
96
99
98
100
98
99
99
98
98
98
98
98
98
100
100
100

Low Clouds (% Sky Obscured)

0
1
1
1
1
1
1
7
17
18
20
0
0
0
0
0
0
0
0
0
0
31
31
31

Medium Clouds (% Sky Obscured)

2
2
2
13
49
81
83
87
93
95
98
100
95
98
97
98
98
98
98
98
98
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
86
95
90
97
90
78
85
95
93
20
20
20
20
20
20
60
60
60

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
None
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
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
10
10
12
18
28
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.03
0.04
0.08
0.2
0.45

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
93
90
85
78
72
66
62
59
57
55
56
59
65
71
77
81
85
87
89
91
94
96

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1016
1015
1014
1013
1012

Ozone (du)

308
306
305
304
300
296
293
291
290
289
287
286
284
284
283
283
282
282
281
281
282
282
283
284

Sunday 23

Waxing Gibbous 99%

18:47

04:33

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 OK
23 OK
00 OK
01 Good
02 Good
03 Good

Sun - Rise: 06:48, Set: 18:56, Transit: 12:52. Moon - Rise: 18:47, Set: 04:33. Civil Dark: 19:29 - 06:14. Nautical Dark: 20:09 - 05:34. Astro Dark: 20:51 - 04:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
34
34
34
34
34
34
14
14
14

Low Clouds (% Sky Obscured)

31
31
31
100
100
100
100
100
100
100
100
100
100
100
100
24
24
24
24
24
24
14
14
14

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
14
14
14
14
14
14
0
0
0

High Clouds (% Sky Obscured)

60
60
60
19
19
19
19
19
19
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
5
5
5
5
4
3
2
2
1
1
0
1
1
2
3
7
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
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

47
58
69
74
75
74
73
73
72
73
74
75
73
69
51
26
19
14
7
4
2
0
0
0

Precipitation Amount (mm)

0.8
1.35
2.36
3.35
3.69
3.62
3.49
3.33
3.39
3.6
3.78
4.03
3.77
2.3
0.85
0.27
0.09
0.06
0.08
0.05
0.01
0
0
0

Wind Speed/Direction (mph)

11
12
12
12
10
8
8
9
11
17
21
24
25
26
31
21
32
24
20
19
19
19
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
10
11
12
13
14
14
14
13
12
11
10
10
5
5
4
4
4
4
4
4
3
2

Dew Point (°C)

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

Relative Humidity (%)

96
96
97
97
98
98
98
99
98
98
96
95
94
91
87
72
81
77
76
76
77
78
78
80

Pressure (mb)

1010
1008
1006
1005
1003
1002
1000
998
996
995
995
995
996
1000
1005
1010
1013
1016
1018
1021
1023
1025
1026
1028

Ozone (du)

284
284
284
285
290
296
301
305
307
311
318
326
331
335
336
334
329
321
313
306
300
294
290
286

Monday 24

Waxing Gibbous 100%

19:08

05:41

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

Sun - Rise: 06:50, Set: 18:53, Transit: 12:52. Moon - Rise: 19:08, Set: 05:41. Civil Dark: 19:27 - 06:16. Nautical Dark: 20:07 - 05:36. Astro Dark: 20:48 - 04:55

Total Clouds (% Sky Obscured)

14
14
14
36
36
36
36
36
36
7
7
7
7
7
7
66
66
66
66
66
66
0
0
0

Low Clouds (% Sky Obscured)

14
14
14
0
0
0
0
0
0
7
7
7
7
7
7
9
9
9
9
9
9
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
66
66
66
66
66
66
0
0
0

High Clouds (% Sky Obscured)

0
0
0
36
36
36
36
36
36
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
2
3
2
2
1
2
2
2
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
13
12
12
12
12
12
12
13
13
13
13
12
10
8
6
5
5
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
0
0
1
4
6
10
11
12
13
14
14
13
12
10
8
7
6
5
5
5
5
3

Dew Point (°C)

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

Relative Humidity (%)

80
83
84
85
82
76
70
66
63
60
55
51
49
51
56
61
66
71
76
80
83
85
86
87

Pressure (mb)

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

Ozone (du)

283
282
281
280
280
280
280
280
279
279
278
278
277
277
276
276
275
274
273
272
272
271
270
269

Tuesday 25

Full Moon 99%

19:28

06:50

04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
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 Bad
02 Bad
03 Bad

Sun - Rise: 06:51, Set: 18:51, Transit: 12:51. Moon - Rise: 19:28, Set: 06:50. Civil Dark: 19:25 - 06:18. Nautical Dark: 20:04 - 05:38. Astro Dark: 20:46 - 04:57

Total Clouds (% Sky Obscured)

0
0
0
2
2
2
2
2
2
80
80
80
80
80
80
98
98
98
98
98
98
52
52
52

Low Clouds (% Sky Obscured)

0
0
0
2
2
2
2
2
2
77
77
77
77
77
77
6
6
6
6
6
6
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
13
13
13
13
13
13
98
98
98
98
98
98
52
52
52

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)

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

Chance of Frost

Temperature (°C)

4
3
2
2
4
7
10
12
13
14
15
16
16
15
13
12
11
10
9
9
8
8
8
7

Feels Like (°C)

2
1
2
2
3
6
10
12
13
14
15
16
16
15
13
12
11
8
7
6
6
6
5
5

Dew Point (°C)

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

Relative Humidity (%)

89
92
94
93
86
76
68
61
56
51
48
47
47
51
56
61
65
68
71
73
73
74
77
80

Pressure (mb)

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

Ozone (du)

268
267
266
265
264
263
262
261
260
259
258
256
255
254
253
252
251
252
252
252
252
252
252
253

Wednesday 26

Waning Gibbous 96%

19:49

08:00

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 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good

Sun - Rise: 06:53, Set: 18:49, Transit: 12:51. Moon - Rise: 19:49, Set: 08:00. Civil Dark: 19:22 - 06:19. Nautical Dark: 20:02 - 05:40. Astro Dark: 20:43 - 04:59

Total Clouds (% Sky Obscured)

52
52
52
96
96
96
96
96
96
56
56
56
56
56
56
0
0
0
0
0
0
0
0
0

Low 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

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)

52
52
52
96
96
96
96
96
96
56
56
56
56
56
56
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
7
7
7
7
8
8
9
10
11
11
12
12
11
10
9
9
9
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
90
90
85
78
71
63
56
51
48
47
47
50
55
59
63
65
68
70
72
74
78
82

Pressure (mb)

1029
1028
1028
1027
1027
1027
1026
1026
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022

Ozone (du)

253
254
254
255
255
256
257
258
260
262
262
263
263
262
261
260
259
258
257
257
257
257
256
256

Forecast for Bourn, Cambridgeshire, UK (52.20,-0.05)

Generated: 20/09/18 04:06:23. Forecast: 20/09/18 to 26/09/18. Timezone: UTC+1.00