Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 24

Waxing Gibbous 78%

16:17

03:37

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: 04:57, Set: 21:01, Transit: 12:59. Moon - Rise: 16:17, Set: 03:37. Civil Dark: 21:44 - 04:13. Nautical Dark: 22:47 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
99
98
99
100
91
90
99
99
100
100
100
100
100
100
100
100
95
73
84
94

Low Clouds (% Sky Obscured)

0
0
1
10
12
6
77
100
4
38
96
99
100
100
100
100
100
100
100
100
66
69
83
92

Medium Clouds (% Sky Obscured)

99
100
98
100
92
62
46
20
47
40
32
34
20
13
5
0
0
1
5
16
33
22
19
11

High Clouds (% Sky Obscured)

100
100
100
99
98
98
97
70
86
82
61
14
2
0
0
1
71
48
18
26
71
20
0
24

ISS Passover

Visibility (miles)

4
4
4
5
7
9
9
9
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
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
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

19
10
3
3
4
6
7
8
8
8
7
6
3
0
0
0
5
6
4
2
2
2
2
2

Precipitation Amount (mm)

0.52
0.1
0.05
0.02
0.03
0.06
0.06
0.07
0.07
0.06
0.04
0.03
0.01
0
0
0
0.02
0.04
0.02
0.01
0.01
0.02
0.02
0.02

Wind Speed/Direction (mph)

4
3
3
5
7
7
7
7
7
6
6
5
5
5
5
5
5
5
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

16
15
15
15
15
15
14
14
14
14
14
14
14
15
15
16
17
18
18
19
19
20
20
19

Feels Like (°C)

16
15
15
15
15
15
14
14
14
14
14
14
14
15
15
16
17
18
18
19
19
20
20
19

Dew Point (°C)

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

Relative Humidity (%)

88
89
87
84
83
83
82
82
82
83
86
88
88
86
85
83
81
78
76
73
71
70
69
70

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

359
359
359
359
358
358
360
362
363
364
365
366
366
366
365
365
365
365
368
370
371
367
362
357

Friday 25

Waxing Gibbous 86%

17:28

04:00

20 OK
21 OK
22 OK
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 Good
19 Good

Sun - Rise: 04:56, Set: 21:02, Transit: 12:59. Moon - Rise: 17:28, Set: 04:00. Civil Dark: 21:46 - 04:11. Nautical Dark: 22:49 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

41
27
48
54
85
95
96
100
100
100
100
100
100
100
79
46
98
98
66
66
47
67
9
12

Low Clouds (% Sky Obscured)

34
22
32
20
21
31
95
100
100
100
100
100
100
99
69
31
75
8
16
8
11
2
1
0

Medium Clouds (% Sky Obscured)

8
8
6
3
2
1
2
36
52
41
41
26
27
80
38
10
40
96
45
10
13
3
0
2

High Clouds (% Sky Obscured)

8
5
27
45
83
94
86
70
89
74
72
95
91
91
1
19
96
73
41
62
36
66
9
10

ISS Passover

Visibility (miles)

10
10
9
9
9
9
9
9
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
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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
3
5
5
4
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.01
0
0
0
0
0
0
0
0
0
0
0
0.01
0.03
0.05
0.03
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
5
5
6
6
6
7
7
8
9
9
10
11
12
13
14
15
16
17
16
16
15

Chance of Frost

Temperature (°C)

18
17
16
15
15
15
16
16
16
15
15
15
16
17
19
20
21
22
23
25
26
26
25
24

Feels Like (°C)

18
17
16
15
15
15
16
16
16
15
15
15
16
17
19
20
21
22
23
25
26
26
25
24

Dew Point (°C)

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

Relative Humidity (%)

73
79
84
87
88
87
85
84
83
85
88
88
84
78
73
71
68
65
62
58
55
55
56
58

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018

Ozone (du)

355
353
352
349
347
345
344
344
344
343
342
340
339
337
335
333
331
330
329
328
328
330
332
333

Saturday 26

Waxing Gibbous 93%

18:37

04:23

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: 04:55, Set: 21:03, Transit: 13:00. Moon - Rise: 18:37, Set: 04:23. Civil Dark: 21:47 - 04:10. Nautical Dark: 22:51 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

6
41
49
69
95
100
73
99
99
100
100
100
100
100
100
100
100
96
96
96
96
96
96
97

Low Clouds (% Sky Obscured)

0
0
0
11
13
9
2
10
1
0
0
3
3
3
3
3
3
11
11
11
11
11
11
61

Medium Clouds (% Sky Obscured)

6
20
1
2
2
22
26
22
17
34
10
13
13
13
13
13
13
20
20
20
20
20
20
27

High Clouds (% Sky Obscured)

1
27
49
65
95
100
65
99
99
100
100
100
100
100
100
100
100
95
95
95
95
95
95
92

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

Precipitation Probability (%)

0
0
0
0
0
0
4
8
9
9
9
9
13
16
17
17
15
13
11
7
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0.07
0.12
0.12
0.13
0.17
0.29
0.53
0.76
0.86
0.88
0.73
0.37
0.07
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
64
68
72
74
75
76
78
79
80
82
84
85
84
83
83
83
82
79
76
74
72
71
71

Pressure (mb)

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

Ozone (du)

331
327
324
324
324
324
324
324
324
325
327
328
330
332
333
332
331
330
331
332
333
333
333
333

Sunday 27

Waxing Gibbous 97%

19:45

04:48

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 OK
17 Bad
18 Bad
19 OK

Sun - Rise: 04:54, Set: 21:04, Transit: 13:00. Moon - Rise: 19:45, Set: 04:48. Civil Dark: 21:49 - 04:09. Nautical Dark: 22:53 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
97
97
97
97
100
100
100
100
100
100
100
100
100
100
100
100
48
48
48
48
48
48
32

Low Clouds (% Sky Obscured)

61
61
61
61
61
18
18
18
18
18
18
100
100
100
100
100
100
48
48
48
48
48
48
20

Medium Clouds (% Sky Obscured)

27
27
27
27
27
20
20
20
20
20
20
0
0
0
0
0
0
10
10
10
10
10
10
25

High Clouds (% Sky Obscured)

92
92
92
92
92
100
100
100
100
100
100
15
15
15
15
15
15
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.12
0.68
1.13
0.67
0.12
0.02
0.03
0.13
0.23

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
19
18
17
16
16
16
17
17
16
16
16
17
19
20
21
22
24
24
25
25
24
23
23

Feels Like (°C)

21
19
18
17
16
16
16
17
17
16
16
16
17
19
20
22
23
24
25
25
25
25
24
23

Dew Point (°C)

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

Relative Humidity (%)

74
78
83
87
89
88
87
87
89
91
95
96
93
89
85
81
77
72
69
68
68
70
73
76

Pressure (mb)

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

Ozone (du)

332
332
332
331
331
331
331
332
333
333
334
334
334
334
333
332
330
328
327
326
325
325
324
324

Monday 28

Waxing Gibbous 100%

No Rise

05:16

20 OK
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: 04:53, Set: 21:06, Transit: 13:00. Moon - Rise: No Rise, Set: 05:16. Civil Dark: 21:50 - 04:08. Nautical Dark: 22:55 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

32
32
32
32
32
95
95
95
95
95
95
97
97
97
97
97
97
97
97
97
97
97
97
99

Low Clouds (% Sky Obscured)

20
20
20
20
20
0
0
0
0
0
0
91
91
91
91
91
91
31
31
31
31
31
31
23

Medium Clouds (% Sky Obscured)

25
25
25
25
25
0
0
0
0
0
0
0
0
0
0
0
0
20
20
20
20
20
20
27

High Clouds (% Sky Obscured)

0
0
0
0
0
95
95
95
95
95
95
67
67
67
67
67
67
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
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.13
0.03
0
0
0
0
0.02
0.07
0.17
0.37
0.68
0.8
0.45
0.09
0
0.01
0.04
0.1
0.3
0.68
0.92
0.8
0.83
1.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
83
88
90
89
88
87
87
88
91
94
97
95
92
89
87
85
84
82
81
80
80
78
77

Pressure (mb)

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

Ozone (du)

323
323
323
322
322
322
323
324
324
325
324
324
324
324
324
324
325
327
329
331
334
335
337
338

Tuesday 29

Full Moon 100%

20:50

05:50

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: 04:52, Set: 21:07, Transit: 13:00. Moon - Rise: 20:50, Set: 05:50. Civil Dark: 21:52 - 04:07. Nautical Dark: 22:57 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
57

Low Clouds (% Sky Obscured)

23
23
23
23
23
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
34

Medium Clouds (% Sky Obscured)

27
27
27
27
27
54
54
54
54
54
54
5
5
5
5
5
5
18
18
18
18
18
18
42

High Clouds (% Sky Obscured)

98
98
98
98
98
75
75
75
75
75
75
9
9
9
9
9
9
0
0
0
0
0
0
18

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

12
11
10
9
8
7
7
7
7
7
7
6
5
4
4
5
6
7
6
5
0
0
0
0

Precipitation Amount (mm)

0.88
0.59
0.39
0.23
0.09
0.04
0.04
0.06
0.07
0.08
0.08
0.08
0.05
0.01
0.01
0.04
0.12
0.17
0.1
0.02
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
19
19
18
18
19
19
19
19
18
18
19
20
20
21
21
21
22
23
23
23
23
22

Feels Like (°C)

21
20
19
19
18
18
19
19
19
19
18
18
19
20
20
21
21
21
22
23
23
23
23
22

Dew Point (°C)

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

Relative Humidity (%)

77
79
82
85
87
86
83
81
81
81
83
84
83
80
77
74
71
68
64
60
57
57
58
60

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011

Ozone (du)

340
341
342
342
342
342
343
345
345
344
343
340
337
334
332
331
332
332
332
333
333
333
332
331

Wednesday 30

Waning Gibbous 98%

21:50

06:28

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: 04:51, Set: 21:08, Transit: 13:00. Moon - Rise: 21:50, Set: 06:28. Civil Dark: 21:53 - 04:06. Nautical Dark: 22:59 - 02:59. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

57
57
57
57
57
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
90

Low Clouds (% Sky Obscured)

34
34
34
34
34
100
100
100
100
100
100
100
100
100
100
100
100
97
97
97
97
97
97
75

Medium Clouds (% Sky Obscured)

42
42
42
42
42
2
2
2
2
2
2
13
13
13
13
13
13
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

18
18
18
18
18
5
5
5
5
5
5
0
0
0
0
0
0
98
98
98
98
98
98
51

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
None
Very Light Rain
Very Light Rain
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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0.06
0.04
0.01
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.07
0.23
0.35
0.27
0.12
0.05

Wind Speed/Direction (mph)

12
10
7
6
6
5
5
5
4
5
5
5
6
6
7
6
4
6
6
6
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
20
18
18
17
17
17
17
17
17
17
17
18
19
20
20
21
22
23
24
24
25
24
24

Dew Point (°C)

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

Relative Humidity (%)

63
67
81
84
85
84
83
82
82
84
85
87
87
86
84
80
76
72
70
68
67
65
64
64

Pressure (mb)

1012
1012
1015
1015
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

329
326
324
324
324
325
325
325
326
326
325
325
325
324
324
324
324
325
325
325
325
326
327
328

Forecast for Maidenhead, Windsor and Maidenhead, UK (51.50,-0.70)

Generated: 24/05/18 20:40:26. Forecast: 24/05/18 to 30/05/18. Timezone: UTC+1.00