Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 25

Waxing Gibbous 86%

No Rise

03:59

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

Sun - Rise: 04:53, Set: 21:04, Transit: 13:00. Moon - Rise: No Rise, Set: 03:59. Civil Dark: 21:49 - 04:08. Nautical Dark: 22:54 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
98
16
7
14
100
100
100
98
96
63
86
100
100
100
100
100
100
100
99
99
99
48
62

Low Clouds (% Sky Obscured)

100
98
16
6
12
13
1
4
5
3
2
2
100
100
100
100
100
100
97
11
23
4
21
24

Medium Clouds (% Sky Obscured)

69
0
0
4
6
10
92
99
60
78
45
54
78
98
100
100
100
98
96
95
98
99
28
6

High Clouds (% Sky Obscured)

61
0
0
0
1
100
100
100
97
88
37
74
82
100
100
100
100
99
98
96
48
20
20
52

ISS Passover

Visibility (miles)

8
8
9
7
6
4
3
3
2
2
3
4
4
4
4
4
5
5
6
8
9
10
10
10

Fog (%)

-
0
0
0
0
0
0
0
0
0
0
0
0
100
100
100
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

2
0
0
0
0
0
0
1
2
4
7
10
14
18
18
11
5
2
3
5
7
8
9
9

Precipitation Amount (mm)

0.01
0
0
0
0
0
0
0.01
0.01
0.04
0.08
0.14
0.23
0.33
0.35
0.21
0.06
0.02
0.03
0.1
0.19
0.3
0.42
0.44

Wind Speed/Direction (mph)

2
2
3
3
3
3
3
4
5
5
5
6
7
8
9
10
10
10
11
11
12
13
14
15

Chance of Frost

Temperature (°C)

16
17
18
19
18
17
16
15
15
15
15
15
14
14
14
15
17
18
19
20
20
22
23
24

Feels Like (°C)

16
17
18
19
18
17
16
15
15
15
15
15
14
14
14
15
17
18
19
20
21
22
23
24

Dew Point (°C)

13
14
14
14
14
13
13
13
13
12
12
12
12
12
13
13
15
16
16
17
17
18
18
18

Relative Humidity (%)

82
79
76
75
77
81
83
84
84
85
85
86
87
88
89
88
88
87
85
84
82
78
73
70

Pressure (mb)

1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1020

Ozone (du)

359
357
355
352
349
346
344
343
342
341
341
341
341
340
339
338
337
336
335
334
333
332
331
331

Saturday 26

Waxing Gibbous 93%

17:29

04:22

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

Sun - Rise: 04:52, Set: 21:06, Transit: 13:00. Moon - Rise: 17:29, Set: 04:22. Civil Dark: 21:51 - 04:07. Nautical Dark: 22:57 - 03:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

27
2
3
14
5
9
16
35
81
99
100
100
100
100
100
100
96
98
98
37
53
95
100
98

Low Clouds (% Sky Obscured)

26
1
0
0
0
0
0
0
4
5
0
2
2
2
3
2
1
1
1
14
2
16
62
6

Medium Clouds (% Sky Obscured)

7
1
0
0
1
2
1
1
6
36
99
71
9
9
8
7
8
16
39
23
41
34
20
33

High Clouds (% Sky Obscured)

1
0
3
14
5
9
16
34
81
99
100
100
100
100
100
100
96
98
97
11
23
91
99
97

ISS Passover

Visibility (miles)

10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
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
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
None
None
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.26
0.07
0.01
0
0
0
0.02
0.09
0.19
0.21
0.2
0.18
0.16
0.14
0.1
0.05
0.01
0
0
0
0
0.03
0.16
0.33

Wind Speed/Direction (mph)

15
15
15
15
15
15
14
13
13
12
12
12
13
13
14
15
16
17
17
17
16
16
15
15

Chance of Frost

Temperature (°C)

23
23
22
21
19
18
17
16
16
16
16
16
16
16
16
16
17
19
19
20
21
21
22
23

Feels Like (°C)

24
23
22
21
19
18
17
16
16
16
16
16
16
16
16
16
18
19
20
20
21
22
23
23

Dew Point (°C)

18
17
17
16
15
14
13
12
12
12
12
12
13
13
14
15
16
16
17
17
17
18
18
18

Relative Humidity (%)

70
71
73
73
74
75
75
76
76
76
78
80
82
86
89
90
89
87
85
84
82
78
75
71

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015

Ozone (du)

332
333
334
334
334
332
330
327
325
325
327
328
328
329
330
331
332
332
332
331
331
330
329
328

Sunday 27

Waxing Gibbous 97%

18:38

04:47

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 Bad
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

Sun - Rise: 04:51, Set: 21:07, Transit: 13:00. Moon - Rise: 18:38, Set: 04:47. Civil Dark: 21:52 - 04:06. Nautical Dark: 22:59 - 02:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

88
99
99
97
88
90
99
70
38
33
84
98
100
100
100
100
100
100
100
100
88
88
88
88

Low Clouds (% Sky Obscured)

20
19
28
9
4
6
36
18
18
31
76
98
100
100
100
100
100
100
100
100
88
88
88
88

Medium Clouds (% Sky Obscured)

20
73
29
38
52
65
97
36
7
5
2
1
0
1
1
1
1
1
1
1
0
0
0
0

High Clouds (% Sky Obscured)

85
98
98
95
79
80
90
57
27
9
35
2
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
9
8
6
4
9
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
100
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

13
13
13
11
8
0
9
13
14
13
12
10
9
7
5
3
0
0
0
0
1
4
7
9

Precipitation Amount (mm)

0.42
0.46
0.4
0.2
0.04
0
0.09
0.37
0.65
0.62
0.43
0.27
0.18
0.1
0.05
0.02
0
0
0
0
0.03
0.09
0.3
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
22
21
20
18
17
16
16
16
16
16
16
16
16
16
17
19
21
23
24
24
24
24
23

Feels Like (°C)

23
22
21
20
18
17
16
16
16
16
16
16
16
16
16
17
19
21
23
24
24
24
24
24

Dew Point (°C)

17
17
16
16
15
14
14
13
13
13
13
14
14
14
15
15
16
17
18
18
19
19
19
19

Relative Humidity (%)

71
73
75
77
80
82
84
85
84
83
83
85
87
90
91
89
83
78
75
72
72
73
76
78

Pressure (mb)

1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1016

Ozone (du)

328
328
328
329
329
330
331
331
332
332
333
334
336
338
341
343
345
347
348
349
348
344
339
335

Monday 28

Waxing Gibbous 100%

19:47

05:15

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 04:50, Set: 21:08, Transit: 13:00. Moon - Rise: 19:47, Set: 05:15. Civil Dark: 21:54 - 04:05. Nautical Dark: 23:01 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

88
88
81
81
81
81
81
81
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
88
36
36
36
36
36
36
2
2
2
2
2
2
0
0
0
0
0
0
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
5
5
5
5
5
5
5
5
5
5
5
5
100
100
100
100
100
100
77
77
77
77

High Clouds (% Sky Obscured)

0
0
70
70
70
70
70
70
99
99
99
99
99
99
91
91
91
91
91
91
45
45
45
45

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
7
4
2
2
2
2
4
7
9
9
9
9
9
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
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
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

9
9
7
6
4
0
7
12
14
16
17
17
18
19
19
18
16
14
11
7
0
5
8
8

Precipitation Amount (mm)

0.45
0.28
0.15
0.07
0.02
0
0.07
0.31
0.62
0.75
0.78
0.82
0.97
1.14
1.19
1.04
0.79
0.52
0.23
0.04
0
0.03
0.15
0.27

Wind Speed/Direction (mph)

8
9
10
10
11
11
11
11
11
11
12
12
12
13
13
13
13
13
12
11
10
10
10
10

Chance of Frost

Temperature (°C)

23
22
22
21
19
18
17
16
16
15
15
15
15
14
14
14
15
16
18
20
22
22
22
22

Feels Like (°C)

23
23
22
21
20
18
17
16
16
15
15
15
15
14
14
14
15
16
18
20
22
23
22
22

Dew Point (°C)

19
19
18
18
17
16
15
14
14
14
14
14
13
13
13
14
14
15
16
17
18
18
18
18

Relative Humidity (%)

80
80
81
82
84
85
86
87
88
90
92
92
93
94
96
97
97
95
91
85
80
79
79
80

Pressure (mb)

1016
1016
1016
1016
1016
1017
1016
1016
1016
1016
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1011

Ozone (du)

333
331
330
328
327
326
326
326
326
326
327
328
328
328
329
331
333
335
336
336
335
333
330
328

Tuesday 29

Full Moon 100%

20:52

05:48

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 04:49, Set: 21:09, Transit: 13:00. Moon - Rise: 20:52, Set: 05:48. Civil Dark: 21:55 - 04:03. Nautical Dark: 23:03 - 02:55. Astro Dark: N/A - N/A

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)

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

Medium Clouds (% Sky Obscured)

77
77
20
20
20
20
20
20
5
5
5
5
5
5
6
6
6
6
6
6
3
3
3
3

High Clouds (% Sky Obscured)

45
45
1
1
1
1
1
1
54
54
54
54
54
54
93
93
93
93
93
93
9
9
9
9

ISS Passover

Visibility (miles)

10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.21
0.09
0.04
0.12
0.53
0.85
0.53
0.18
0.14
0.08
0.02
0.01
0.06
0.26
0.47
0.44
0.29
0.17
0.1
0.05
0.03
0.03
0.04
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
19
19
18
17
16
16
15
15
16
16
15
15
15
15
16
16
17
18
18
19
20
21

Feels Like (°C)

21
21
20
19
18
17
16
16
15
15
16
16
15
15
15
15
16
16
17
18
18
19
20
21

Dew Point (°C)

18
18
17
17
16
15
15
14
14
13
13
12
12
13
13
13
14
14
15
15
15
16
16
16

Relative Humidity (%)

83
85
87
88
89
90
91
92
91
87
84
82
82
85
87
88
87
86
85
84
83
79
75
72

Pressure (mb)

1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

328
328
329
330
330
331
330
329
328
327
326
326
325
326
326
326
326
326
326
326
326
327
328
329

Wednesday 30

Waning Gibbous 98%

21:53

06:26

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 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 04:49, Set: 21:11, Transit: 13:00. Moon - Rise: 21:53, Set: 06:26. Civil Dark: 21:57 - 04:02. Nautical Dark: 23:05 - 02:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
81
81
81
81
81
81
68
68
68
68
68
68
17
17
17
17
17
17
81
81
81
81

Low Clouds (% Sky Obscured)

100
100
45
45
45
45
45
45
55
55
55
55
55
55
7
7
7
7
7
7
81
81
81
81

Medium Clouds (% Sky Obscured)

3
3
73
73
73
73
73
73
59
59
59
59
59
59
6
6
6
6
6
6
0
0
0
0

High Clouds (% Sky Obscured)

9
9
20
20
20
20
20
20
0
0
0
0
0
0
9
9
9
9
9
9
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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

Precipitation Probability (%)

5
6
6
6
6
5
0
0
0
0
0
6
7
7
6
6
6
5
5
5
5
5
6
7

Precipitation Amount (mm)

0.05
0.05
0.04
0.03
0.01
0.01
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.05
0.17
0.37

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
20
19
18
18
17
16
16
16
16
16
16
16
16
16
18
19
19
20
20
21
22
23

Feels Like (°C)

21
21
20
19
19
18
17
16
16
16
16
16
16
16
16
16
18
19
19
20
20
21
22
23

Dew Point (°C)

16
16
16
16
16
15
14
13
13
13
13
13
13
13
13
14
15
15
16
16
16
16
16
16

Relative Humidity (%)

73
77
80
82
84
84
84
83
81
81
81
83
84
86
87
86
83
81
79
77
76
72
68
65

Pressure (mb)

1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

329
329
330
331
333
334
336
337
337
334
330
327
326
324
323
322
321
320
319
319
318
318
318
317

Thursday 31

Waning Gibbous 94%

22:48

07:11

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

Sun - Rise: 04:48, Set: 21:12, Transit: 13:00. Moon - Rise: 22:48, Set: 07:11. Civil Dark: 21:58 - 04:01. Nautical Dark: 23:07 - 02:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

81
81
26
26
26
26
26
26
30
30
30
30
30
30
96
96
96
96
96
96
96
96
96
96

Low Clouds (% Sky Obscured)

81
81
19
19
19
19
19
19
23
23
23
23
23
23
96
96
96
96
96
96
96
96
96
96

Medium Clouds (% Sky Obscured)

0
0
13
13
13
13
13
13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
5
5
5
5
5
5
9
9
9
9
9
9
2
2
2
2
2
2
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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

Precipitation Probability (%)

8
8
9
9
9
9
8
8
8
7
7
6
0
7
6
6
6
6
5
5
4
5
5
5

Precipitation Amount (mm)

0.59
0.82
0.98
0.98
0.88
0.78
0.76
0.75
0.63
0.34
0.09
0.01
0
0.01
0.01
0.02
0.02
0.02
0.01
0.01
0.01
0.02
0.03
0.04

Wind Speed/Direction (mph)

6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
8
8
8

Chance of Frost

Temperature (°C)

22
21
20
19
18
17
17
16
17
17
17
17
17
16
16
16
17
18
19
19
20
21
22
22

Feels Like (°C)

22
22
20
19
18
17
17
16
17
17
17
17
17
16
16
16
17
18
19
20
20
21
22
23

Dew Point (°C)

16
16
16
16
15
15
14
14
14
14
14
14
14
14
14
15
15
15
16
16
17
17
17
17

Relative Humidity (%)

67
71
76
80
83
86
87
86
85
84
84
84
85
88
89
89
87
84
83
82
80
77
74
71

Pressure (mb)

1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

317
316
316
316
317
317
317
317
317
317
316
316
316
317
317
317
316
316
315
315
315
315
316
316

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

Generated: 25/05/18 17:46:13. Forecast: 25/05/18 to 31/05/18. Timezone: UTC+1.00