Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

Waxing Gibbous 84%

17:29

02:27

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: 06:46, Set: 19:05, Transit: 12:56. Moon - Rise: 17:29, Set: 02:27. Civil Dark: 19:39 - 06:12. Nautical Dark: 20:19 - 05:32. Astro Dark: 21:01 - 04:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
99
60
95
99
98
100
97
98
100
100
100
100
30

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
98
97
86
98
28
45
55
65
95
6
40
42
7
40
86
29

Medium Clouds (% Sky Obscured)

84
85
95
100
99
63
27
48
31
92
81
27
2
4
31
56
7
14
88
52
98
81
100
2

High Clouds (% Sky Obscured)

91
90
87
98
99
96
91
100
94
99
95
90
52
91
99
96
99
96
91
100
100
100
1
0

ISS Passover

Visibility (miles)

2
4
7
7
7
6
5
5
5
6
9
10
10
10
10
10
10
10
10
8
5
5
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain

Precipitation Probability (%)

19
29
48
60
65
62
58
58
51
47
40
32
26
20
13
15
23
58
68
72
77
76
59
40

Precipitation Amount (mm)

0.3
0.54
0.71
0.97
0.97
0.83
0.7
0.58
0.45
0.34
0.26
0.28
0.31
0.14
0.02
0.02
0.08
0.42
0.98
1.64
2.43
2.6
1.57
0.45

Wind Speed/Direction (mph)

5
6
8
9
11
12
15
16
18
19
21
22
23
24
24
25
24
23
26
25
24
23
24
25

Chance of Frost

Temperature (°C)

15
15
15
15
15
16
16
17
17
17
18
18
19
19
19
18
18
18
18
18
18
17
16
13

Feels Like (°C)

15
15
15
15
15
16
16
17
17
17
18
18
19
19
19
18
18
18
18
18
18
17
16
13

Dew Point (°C)

14
14
13
14
14
15
15
15
15
15
15
15
15
15
15
15
15
15
14
15
15
15
14
10

Relative Humidity (%)

92
91
90
91
92
92
91
90
89
87
84
81
79
78
79
81
84
86
77
80
82
83
87
82

Pressure (mb)

1012
1012
1012
1011
1011
1011
1010
1010
1009
1009
1008
1007
1006
1005
1004
1003
1002
1001
1000
998
997
996
996
997

Ozone (du)

292
292
293
293
293
292
292
292
293
293
293
292
291
292
292
293
292
291
291
294
298
302
305
309

Friday 21

Waxing Gibbous 90%

18:00

03:31

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

Sun - Rise: 06:48, Set: 19:03, Transit: 12:55. Moon - Rise: 18:00, Set: 03:31. Civil Dark: 19:37 - 06:14. Nautical Dark: 20:17 - 05:34. Astro Dark: 20:58 - 04:52

Total Clouds (% Sky Obscured)

32
31
63
1
3
17
52
23
34
23
37
33
37
23
13
16
7
2
11
2
55
98
99
100

Low Clouds (% Sky Obscured)

28
23
3
0
2
16
51
9
14
5
0
0
21
17
6
9
3
1
11
1
2
1
2
2

Medium Clouds (% Sky Obscured)

13
25
62
1
1
6
6
18
27
21
34
33
29
17
13
13
6
2
0
1
3
1
2
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
14
1
8
1
0
1
0
0
0
0
0
1
52
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
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
15
0
0
0
0
0
8
17
20
16
5
2
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.09
0.02
0
0
0
0
0
0.02
0.08
0.14
0.1
0.03
0.01
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

24
22
20
18
20
21
23
23
23
23
23
24
23
21
19
16
15
14
13
12
11
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
84
84
78
72
66
65
64
64
59
54
51
51
54
59
63
68
72
76
78
81
82
84

Pressure (mb)

999
1000
1002
1004
1005
1006
1007
1007
1008
1008
1009
1010
1010
1011
1012
1013
1014
1015
1016
1017
1017
1017
1018
1018

Ozone (du)

312
314
315
317
320
324
327
327
326
324
322
319
317
316
317
317
318
319
319
316
313
310
307
305

Saturday 22

Waxing Gibbous 95%

18:26

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: 06:49, Set: 19:01, Transit: 12:55. Moon - Rise: 18:26, Set: No Set. Civil Dark: 19:34 - 06:16. Nautical Dark: 20:14 - 05:36. Astro Dark: 20:56 - 04:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
100
100
98
98
99
99
100
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
8
16
0
0
9
0
0
0
0
0
0
0
0
100
100
100

Medium Clouds (% Sky Obscured)

1
21
37
64
82
72
81
78
82
96
98
99
100
98
99
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
98
100
100
94
82
70
29
98
63
31
2
2
2
2
2
2
59
59
59

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
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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
9
13
14
17
17
18
18
19
19
21
26
36
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.07
0.08
0.12
0.25
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
92
90
85
77
70
64
58
54
53
52
55
60
67
73
77
79
81
85
87
90
91
91

Pressure (mb)

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

Ozone (du)

303
302
302
300
297
294
291
289
288
286
285
284
283
283
282
282
281
281
280
280
281
281
282
282

Sunday 23

Waxing Gibbous 99%

18:49

04:36

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 Good
02 Good
03 Good

Sun - Rise: 06:51, Set: 18:58, Transit: 12:55. Moon - Rise: 18:49, Set: 04:36. Civil Dark: 19:32 - 06:17. Nautical Dark: 20:12 - 05:38. Astro Dark: 20:53 - 04:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
2
2
2
2
2
2
0
0
0

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
2
2
2
2
2
2
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
91
91
91
91
91
91
100
100
100
100
100
100
1
1
1
1
1
1
0
0
0

High Clouds (% Sky Obscured)

59
59
59
13
13
13
13
13
13
30
30
30
30
30
30
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
4
5
5
5
4
3
2
2
1
1
0
1
1
3
5
8
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

56
61
66
73
74
74
73
73
78
79
75
70
65
48
28
4
0
2
2
2
0
0
0
0

Precipitation Amount (mm)

0.83
1.28
2.13
2.91
3.02
2.79
2.62
2.63
2.95
3.2
2.96
2.55
1.99
0.99
0.21
0.01
0
0.01
0.02
0.01
0
0
0
0

Wind Speed/Direction (mph)

12
12
12
11
12
14
15
18
21
24
29
33
36
35
33
29
25
21
18
17
17
16
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
12
12
13
14
15
14
13
13
12
11
5
4
5
5
6
5
5
5
4
4
3
2

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
92
94
94
94
95
95
93
93
92
91
86
79
74
72
73
74
74
74
75
78
80

Pressure (mb)

1009
1007
1006
1004
1002
1001
999
998
996
995
995
996
999
1003
1008
1012
1015
1018
1020
1023
1025
1026
1028
1029

Ozone (du)

283
283
283
285
289
295
300
305
310
315
320
324
328
330
332
330
324
315
307
300
294
289
285
282

Monday 24

Waxing Gibbous 100%

19:11

05:44

04 Good
05 Good
06 Good
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
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: 06:53, Set: 18:56, Transit: 12:54. Moon - Rise: 19:11, Set: 05:44. Civil Dark: 19:30 - 06:19. Nautical Dark: 20:09 - 05:39. Astro Dark: 20:50 - 04:58

Total Clouds (% Sky Obscured)

0
0
0
68
68
68
68
68
68
2
2
2
2
2
2
58
58
58
58
58
58
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
2
2
2
2
2
2
2
2
2
2
2
2
16
16
16
16
16
16
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
57
57
57
57
57
57
0
0
0

High Clouds (% Sky Obscured)

0
0
0
68
68
68
68
68
68
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
2
2
3
3
3
2
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
11
11
10
10
11
11
11
12
12
12
12
12
10
8
7
6
6
5
5
4
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
0
0
2
4
7
11
13
14
15
15
16
15
13
12
11
8
7
6
5
5
4
4

Dew Point (°C)

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

Relative Humidity (%)

83
85
87
87
84
76
70
64
58
53
50
48
47
49
55
61
66
72
76
79
81
81
82
83

Pressure (mb)

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

Ozone (du)

280
278
278
277
277
277
277
277
277
277
276
275
275
274
274
274
273
273
272
271
271
270
269
268

Tuesday 25

Full Moon 99%

19:31

06:53

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: 06:54, Set: 18:54, Transit: 12:54. Moon - Rise: 19:31, Set: 06:53. Civil Dark: 19:27 - 06:21. Nautical Dark: 20:07 - 05:41. Astro Dark: 20:48 - 05:00

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
68
68
68
68
68
68
94
94
94
94
94
94
54
54
54

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
68
68
68
68
68
68
67
67
67
67
67
67
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
81
81
81
81
81
81
54
54
54

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

Chance of Frost

Temperature (°C)

4
3
2
2
4
7
11
13
14
16
17
18
18
17
15
14
12
11
10
9
9
8
8
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
90
92
92
86
74
64
56
51
46
44
43
44
47
53
58
62
67
70
71
72
73
75
78

Pressure (mb)

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

Ozone (du)

267
266
265
264
263
262
261
260
259
258
257
255
254
253
252
252
252
252
252
252
252
252
252
253

Wednesday 26

Waning Gibbous 96%

19:52

08:03

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: 06:56, Set: 18:51, Transit: 12:54. Moon - Rise: 19:52, Set: 08:03. Civil Dark: 19:25 - 06:22. Nautical Dark: 20:04 - 05:43. Astro Dark: 20:45 - 05:02

Total Clouds (% Sky Obscured)

54
54
54
84
84
84
84
84
84
79
79
79
79
79
79
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)

54
54
54
84
84
84
84
84
84
79
79
79
79
79
79
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
7
7
7
7
8
10
11
11
12
12
11
10
9
9
9
9
9
9
9
9
8

Chance of Frost

Temperature (°C)

7
6
5
6
7
10
12
14
17
18
20
21
21
20
18
16
15
15
14
13
13
12
12
11

Feels Like (°C)

5
4
3
3
5
8
12
14
17
18
20
21
21
20
18
16
15
15
14
13
13
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

82
87
91
90
85
76
68
60
53
47
44
43
43
46
51
56
59
61
64
67
71
75
80
84

Pressure (mb)

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

Ozone (du)

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

Forecast for Bletchley, Milton Keynes, UK (51.99,-0.74)

Generated: 20/09/18 04:21:11. Forecast: 20/09/18 to 26/09/18. Timezone: UTC+1.00