Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 24

Waxing Gibbous 78%

16:21

03:42

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
17 Bad
18 Bad
19 OK

Sun - Rise: 05:01, Set: 21:05, Transit: 13:04. Moon - Rise: 16:21, Set: 03:42. Civil Dark: 21:49 - 04:17. Nautical Dark: 22:52 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
89
92
100
100
99
100
100
98
100
100
100
100
100
100
100
100
96
36

Low Clouds (% Sky Obscured)

23
3
0
0
1
6
13
8
100
99
79
100
98
81
100
100
100
100
100
100
100
100
90
28

Medium Clouds (% Sky Obscured)

100
99
100
100
98
39
22
31
34
83
72
40
25
35
34
38
25
10
6
7
4
9
9
13

High Clouds (% Sky Obscured)

100
100
100
99
99
97
87
89
77
98
98
98
95
95
85
45
10
1
13
6
28
76
54
10

ISS Passover

Visibility (miles)

6
6
6
7
8
10
10
10
9
9
9
9
9
9
9
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

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

Precipitation Probability (%)

22
22
21
15
7
3
6
14
22
27
31
34
36
38
37
30
20
12
7
5
3
3
3
3

Precipitation Amount (mm)

0.66
0.42
0.47
0.26
0.08
0.03
0.05
0.17
0.33
0.47
0.63
0.78
0.89
1.02
1
0.67
0.29
0.11
0.06
0.04
0.03
0.03
0.03
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
12
11
11
10
10
10
10
10
10
11
11
11
11
12
12
12
13
13
13
14
14
14
14

Relative Humidity (%)

83
82
80
76
75
75
77
78
78
79
83
89
93
92
89
87
88
89
91
88
84
80
79
81

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

360
360
360
359
359
359
359
359
359
359
359
358
358
358
359
360
362
364
365
366
367
368
370
370

Friday 25

Waxing Gibbous 86%

17:32

04:04

20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
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 OK
17 OK
18 OK
19 OK

Sun - Rise: 05:00, Set: 21:07, Transit: 13:04. Moon - Rise: 17:32, Set: 04:04. Civil Dark: 21:51 - 04:15. Nautical Dark: 22:54 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

27
32
21
27
23
20
100
100
100
100
100
100
100
100
100
100
99
98
100
94
36
27
17
22

Low Clouds (% Sky Obscured)

24
30
16
26
22
20
100
100
100
100
99
99
99
98
78
100
67
0
0
2
0
2
4
2

Medium Clouds (% Sky Obscured)

16
13
9
6
3
1
0
1
2
4
73
100
100
96
88
100
87
89
99
89
19
17
16
20

High Clouds (% Sky Obscured)

0
0
2
0
0
0
2
45
87
98
99
98
99
100
100
99
98
91
88
46
21
11
1
0

ISS Passover

Visibility (miles)

10
10
9
9
9
9
8
6
5
5
6
6
7
8
9
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.01
0
0
0
0
0.01
0
0
0
0.01
0.03
0.04
0.02
0
0
0.01
0.04
0.07
0.09
0.13
0.16
0.09
0.02
0

Wind Speed/Direction (mph)

5
5
5
5
5
6
6
7
8
8
9
10
10
10
11
12
14
15
16
17
17
17
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
85
82
81
81
80
80
80
81
85
90
93
93
91
87
86
85
84
80
74
69
68
69

Pressure (mb)

1018
1019
1019
1019
1019
1020
1020
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017

Ozone (du)

370
369
368
365
361
358
354
351
349
347
347
346
344
341
338
336
334
333
331
330
329
330
333
333

Saturday 26

Waxing Gibbous 93%

18:42

04:27

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 04:59, Set: 21:08, Transit: 13:04. Moon - Rise: 18:42, Set: 04:27. Civil Dark: 21:52 - 04:14. Nautical Dark: 22:56 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

13
32
55
82
100
100
100
100
100
100
100
100
100
100
100
100
100
77
77
77
77
77
77
98

Low Clouds (% Sky Obscured)

2
1
0
6
0
1
5
0
2
5
2
4
4
4
4
4
4
39
39
39
39
39
39
76

Medium Clouds (% Sky Obscured)

11
15
20
17
8
11
40
32
9
27
20
12
12
12
12
12
12
41
41
41
41
41
41
38

High Clouds (% Sky Obscured)

2
21
45
79
100
100
100
100
100
100
100
100
100
100
100
100
100
59
59
59
59
59
59
94

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
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
5
8
10
9
7
4
7
11
12
11
11
10
9
10
13
15
17
17

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0.06
0.11
0.09
0.08
0.09
0.13
0.22
0.3
0.23
0.31
0.43
0.3
0.31
0.62
1.06
1.59
1.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
74
74
75
77
79
80
80
80
83
87
94
98
98
93
87
82
81
82
84
84
83
82
84

Pressure (mb)

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

Ozone (du)

331
328
325
324
324
325
326
327
328
329
329
330
331
332
333
332
330
330
331
334
335
336
335
334

Sunday 27

Waxing Gibbous 97%

19:50

04:52

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 04:58, Set: 21:09, Transit: 13:04. Moon - Rise: 19:50, Set: 04:52. Civil Dark: 21:54 - 04:13. Nautical Dark: 22:58 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100
48
48
48
48
48
48
34

Low Clouds (% Sky Obscured)

76
76
76
76
76
55
55
55
55
55
55
100
100
100
100
100
100
48
48
48
48
48
48
29

Medium Clouds (% Sky Obscured)

38
38
38
38
38
47
47
47
47
47
47
4
4
4
4
4
4
20
20
20
20
20
20
27

High Clouds (% Sky Obscured)

94
94
94
94
94
100
100
100
100
100
100
2
2
2
2
2
2
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

15
12
8
7
5
3
0
0
0
0
3
5
5
4
4
6
9
11
12
12
12
12
12
12

Precipitation Amount (mm)

1.32
0.65
0.27
0.12
0.05
0.01
0
0
0
0
0.01
0.01
0.02
0.02
0.02
0.11
0.51
1.02
1.29
1.38
1.37
1.26
1.13
0.98

Wind Speed/Direction (mph)

10
10
10
9
9
9
9
9
9
9
10
10
10
10
10
11
11
11
11
10
9
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
90
89
89
87
86
84
84
86
90
96
99
97
93
89
88
90
89
88
85
83
85
90

Pressure (mb)

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

Ozone (du)

334
333
333
333
333
333
333
333
333
333
332
332
333
334
335
334
333
331
329
327
325
324
323
323

Monday 28

Waxing Gibbous 100%

No Rise

05:21

20 Bad
21 OK
22 OK
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 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 04:57, Set: 21:10, Transit: 13:04. Moon - Rise: No Rise, Set: 05:21. Civil Dark: 21:55 - 04:12. Nautical Dark: 23:00 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

34
34
34
34
34
93
93
93
93
93
93
100
100
100
100
100
100
98
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

29
29
29
29
29
1
1
1
1
1
1
100
100
100
100
100
100
16
16
16
16
16
16
12

Medium Clouds (% Sky Obscured)

27
27
27
27
27
0
0
0
0
0
0
0
0
0
0
0
0
44
44
44
44
44
44
27

High Clouds (% Sky Obscured)

0
0
0
0
0
93
93
93
93
93
93
84
84
84
84
84
84
95
95
95
95
95
95
98

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

Precipitation Type

Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
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
Light Rain

Precipitation Probability (%)

11
9
9
8
8
8
6
3
0
5
8
9
9
9
8
8
7
7
7
7
7
10
12
14

Precipitation Amount (mm)

0.67
0.35
0.18
0.09
0.06
0.06
0.04
0.01
0
0.01
0.03
0.05
0.07
0.08
0.08
0.08
0.08
0.08
0.05
0.04
0.05
0.26
0.87
1.43

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
17
17
16
15
15
15
15
15
14
14
13
13
14
15
17
17
18
19
20
21
21
21
20

Feels Like (°C)

19
18
17
16
15
15
15
15
15
15
14
13
13
14
16
17
18
18
19
20
22
22
21
20

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
95
95
96
97
97
96
96
99
100
100
100
98
95
95
97
96
93
88
85
85
87

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1010
1010

Ozone (du)

322
322
322
322
322
322
322
322
323
324
324
325
325
324
324
324
325
325
326
326
327
329
331
333

Tuesday 29

Full Moon 100%

20:55

05:54

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 04:56, Set: 21:11, Transit: 13:04. Moon - Rise: 20:55, Set: 05:54. Civil Dark: 21:56 - 04:11. Nautical Dark: 23:02 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
98
98
98
98
74
74
74
74
74
74
100
100
100
100
100
100
100
100
100
100
100
100
91

Low Clouds (% Sky Obscured)

12
12
12
12
12
56
56
56
56
56
56
100
100
100
100
100
100
100
100
100
100
100
100
89

Medium Clouds (% Sky Obscured)

27
27
27
27
27
15
15
15
15
15
15
37
37
37
37
37
37
28
28
28
28
28
28
47

High Clouds (% Sky Obscured)

98
98
98
98
98
56
56
56
56
56
56
93
93
93
93
93
93
6
6
6
6
6
6
2

ISS Passover

Visibility (miles)

10
10
10
10
10
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

14
14
13
12
11
9
8
8
8
9
9
10
9
7
6
7
7
8
7
6
2
0
6
5

Precipitation Amount (mm)

1.29
0.91
0.64
0.37
0.15
0.07
0.04
0.03
0.06
0.18
0.44
0.58
0.35
0.08
0.03
0.08
0.19
0.25
0.15
0.04
0.01
0
0.02
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
90
87
85
85
86
86
88
92
97
98
95
90
86
85
84
80
72
65
63
65
69

Pressure (mb)

1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010

Ozone (du)

334
335
337
339
341
343
344
345
345
346
345
344
342
339
337
335
335
334
334
334
335
336
337
337

Wednesday 30

Waning Gibbous 98%

21:55

06:33

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 04:55, Set: 21:13, Transit: 13:04. Moon - Rise: 21:55, Set: 06:33. Civil Dark: 21:58 - 04:10. Nautical Dark: 23:04 - 03:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

91
91
91
91
91
97
97
97
97
97
97
100
100
100
100
100
100
84
84
84
84
84
84
81

Low Clouds (% Sky Obscured)

89
89
89
89
89
94
94
94
94
94
94
100
100
100
100
100
100
59
59
59
59
59
59
80

Medium Clouds (% Sky Obscured)

47
47
47
47
47
39
39
39
39
39
39
16
16
16
16
16
16
2
2
2
2
2
2
2

High Clouds (% Sky Obscured)

2
2
2
2
2
32
32
32
32
32
32
0
0
0
0
0
0
65
65
65
65
65
65
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

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
11
11
10
10
9
9
9
9
9
10
10
10
10
11
11
11
12
12
12
11
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
13
13
13
13
12
12
13
13
13
13
13
13
14
14
14
14
14
14
14
14
14
13
13

Relative Humidity (%)

73
76
76
75
74
74
74
75
76
77
80
85
85
80
74
69
66
65
65
63
60
59
60
63

Pressure (mb)

1011
1011
1012
1012
1013
1013
1013
1013
1014
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1019
1020

Ozone (du)

336
333
330
329
329
329
331
333
335
336
336
336
336
335
335
335
336
336
335
334
333
334
335
336

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

Generated: 24/05/18 20:46:16. Forecast: 24/05/18 to 30/05/18. Timezone: UTC+1.00