Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 22

Waning Gibbous 82%

00:34

08:47

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

Sun - Rise: 04:59, Set: 20:58, Transit: 12:59. Moon - Rise: 00:34, Set: 08:47. Civil Dark: 21:41 - 04:16. Nautical Dark: 22:42 - 03:14. Astro Dark: 00:50 - N/A

Total Clouds (% Sky Obscured)

84
96
90
96
91
88
79
85
44
66
76
77
82
85
55
50
11
56
97
95
98
98
92
97

Low Clouds (% Sky Obscured)

28
13
4
1
6
27
31
19
5
2
12
12
0
0
0
0
0
0
0
0
0
0
0
5

Medium Clouds (% Sky Obscured)

34
78
38
59
89
63
29
80
34
53
52
6
2
2
1
0
0
0
0
0
39
50
42
49

High Clouds (% Sky Obscured)

73
91
85
94
58
67
63
20
15
35
56
73
82
85
55
50
11
56
97
94
98
98
91
97

ISS Passover

Visibility (miles)

6
6
7
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

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
1
2
2
2
2
2
2
1
1
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.03
0.06
0.08
0.1
0.11
0.09
0.06
0.03
0.01
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
4
6
7
7
8
8
7
7
7
6
6
6
6
7
7
6
6
5
5
5
5
5

Chance of Frost

Temperature (°C)

15
17
18
19
20
20
21
21
22
22
21
19
18
16
15
14
12
11
11
10
10
10
11
13

Feels Like (°C)

15
17
18
19
20
20
21
21
22
22
21
19
18
16
15
14
12
11
11
10
10
10
11
13

Dew Point (°C)

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

Relative Humidity (%)

51
48
46
45
45
45
44
44
43
44
46
49
51
54
56
58
60
62
64
66
67
68
66
62

Pressure (mb)

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

Ozone (du)

345
345
344
344
343
343
342
342
341
341
341
340
340
340
340
339
339
339
339
340
341
342
342
343

Thursday 23

Waning Gibbous 73%

01:15

No Set

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 OK
00 Good
01 Good
02 Good
03 Good
04 OK
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 04:58, Set: 20:59, Transit: 12:59. Moon - Rise: 01:15, Set: No Set. Civil Dark: 21:42 - 04:14. Nautical Dark: 22:44 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
98
98
89
56
95
91
82
79
98
99
98
98
81
22
6
4
13
19
37
73
88
80
70

Low Clouds (% Sky Obscured)

11
17
20
20
4
56
18
1
0
0
2
9
16
17
11
6
1
0
6
4
2
0
5
9

Medium Clouds (% Sky Obscured)

55
1
2
3
9
95
91
82
68
66
71
59
34
13
4
1
4
13
16
36
72
88
79
68

High Clouds (% Sky Obscured)

98
98
98
87
52
42
4
1
43
94
98
98
97
77
10
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

15
17
18
20
21
21
22
22
22
22
21
20
18
16
15
14
13
12
11
11
10
10
11
13

Feels Like (°C)

15
17
18
20
21
21
22
22
22
22
21
20
18
16
15
14
13
12
11
11
10
10
11
13

Dew Point (°C)

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

Relative Humidity (%)

57
52
48
45
43
40
38
38
38
40
42
45
48
51
54
56
59
63
67
70
73
74
71
65

Pressure (mb)

1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

344
345
344
342
341
340
339
338
338
337
336
335
335
336
337
339
341
342
343
344
346
347
349
350

Friday 24

Waning Gibbous 64%

01:48

09:47

09 Bad
10 OK
11 OK
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 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 04:57, Set: 21:00, Transit: 12:59. Moon - Rise: 01:48, Set: 09:47. Civil Dark: 21:44 - 04:13. Nautical Dark: 22:46 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

60
28
29
58
89
99
86
90
85
90
59
82
95
72
90
85
84
76
43
83
70
51
75
75

Low Clouds (% Sky Obscured)

12
15
27
55
88
99
64
40
5
14
10
0
8
27
15
48
66
17
20
14
5
34
51
51

Medium Clouds (% Sky Obscured)

57
19
8
16
71
94
85
89
84
90
58
82
95
71
90
81
74
73
39
69
63
45
71
71

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
74
45
1
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
9
7
4
2
2
5
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
4
16
30
36
38
31
14
4
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.03
0.16
0.32
0.4
0.42
0.36
0.21
0.06
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
17
19
20
21
22
23
23
23
22
21
19
18
17
16
15
14
13
12
11
10
11
11
13

Feels Like (°C)

15
17
19
20
21
22
23
23
23
22
21
19
18
17
16
15
14
13
12
11
10
11
11
13

Dew Point (°C)

8
8
8
8
8
9
9
9
10
11
12
12
12
12
10
9
7
7
7
7
7
7
7
7

Relative Humidity (%)

60
54
50
47
45
43
41
42
45
50
56
62
69
73
71
67
64
66
71
74
77
78
75
70

Pressure (mb)

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

Ozone (du)

352
353
353
352
351
349
346
344
344
345
346
344
342
342
345
350
353
354
353
351
347
341
336
331

Saturday 25

Waning Gibbous 54%

02:14

10:51

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
04 Bad
05 Bad
06 Bad
07 Good
08 Good

Sun - Rise: 04:56, Set: 21:02, Transit: 12:59. Moon - Rise: 02:14, Set: 10:51. Civil Dark: 21:45 - 04:12. Nautical Dark: 22:48 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

75
75
75
75
52
52
52
52
52
52
97
97
97
97
97
97
88
88
88
88
88
88
0
0

Low Clouds (% Sky Obscured)

51
51
51
51
52
52
52
52
52
52
1
1
1
1
1
1
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

71
71
71
71
0
0
0
0
0
0
0
0
0
0
0
0
64
64
64
64
64
64
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
97
97
97
97
97
97
68
68
68
68
68
68
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)

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

Chance of Frost

Temperature (°C)

15
17
18
19
20
20
21
21
21
22
22
21
19
18
17
16
15
14
13
12
12
13
13
15

Feels Like (°C)

15
17
18
19
20
20
21
21
21
22
22
21
19
18
17
16
15
14
13
12
12
13
13
15

Dew Point (°C)

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

Relative Humidity (%)

63
57
52
48
46
45
45
46
47
48
48
50
54
58
62
65
69
72
75
78
81
83
82
77

Pressure (mb)

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

Ozone (du)

327
324
321
319
317
314
312
310
309
308
308
308
309
310
311
311
312
312
311
311
309
308
307
309

Sunday 26

Third Quarter 45%

02:37

11:57

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
04 Bad
05 Bad
06 Bad
07 OK
08 OK

Sun - Rise: 04:55, Set: 21:03, Transit: 12:59. Moon - Rise: 02:37, Set: 11:57. Civil Dark: 21:47 - 04:11. Nautical Dark: 22:50 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
34
34

Low Clouds (% Sky Obscured)

0
0
0
0
96
96
96
96
96
96
78
78
78
78
78
78
100
100
100
100
100
100
6
6

Medium Clouds (% Sky Obscured)

0
0
0
0
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
53
53
53
53
53
53
0
0
0
0
0
0
29
29

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

Precipitation Probability (%)

0
0
1
2
2
2
2
2
3
6
8
6
3
2
1
1
1
1
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.01
0.02
0.03
0.02
0.01
0.01
0.03
0.07
0.1
0.09
0.07
0.04
0.03
0.03
0.04
0.02
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
20
20
21
21
22
23
23
23
23
22
21
20
18
16
15
14
13
13
12
12
12
12
14

Feels Like (°C)

18
20
20
21
21
22
23
23
23
23
22
21
20
18
16
15
14
13
13
12
12
12
12
14

Dew Point (°C)

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

Relative Humidity (%)

71
65
63
61
59
56
53
52
53
55
57
60
65
69
72
74
76
78
81
83
85
83
79
73

Pressure (mb)

1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

311
313
314
314
315
321
328
334
337
339
340
341
341
341
338
334
331
330
329
330
330
332
333
334

Monday 27

Waning Crescent 35%

02:57

13:02

09 OK
10 OK
11 OK
12 OK
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
04 Bad
05 Bad
06 Bad
07 OK
08 OK

Sun - Rise: 04:54, Set: 21:04, Transit: 12:59. Moon - Rise: 02:57, Set: 13:02. Civil Dark: 21:48 - 04:09. Nautical Dark: 22:53 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

34
34
34
34
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
23
23

Low Clouds (% Sky Obscured)

6
6
6
6
84
84
84
84
84
84
63
63
63
63
63
63
21
21
21
21
21
21
13
13

Medium Clouds (% Sky Obscured)

1
1
1
1
85
85
85
85
85
85
96
96
96
96
96
96
92
92
92
92
92
92
17
17

High Clouds (% Sky Obscured)

29
29
29
29
81
81
81
81
81
81
97
97
97
97
97
97
100
100
100
100
100
100
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
7
4
4
6
8
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
2
2
2
2
2
1
1
1
1
2
2
2
1
1
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
17
18
18
19
20
19
19
18
17
16
16
15
14
13
12
12
11
11
10
10
11
11
12

Feels Like (°C)

15
17
18
18
19
20
19
19
18
17
16
16
15
14
13
12
12
11
11
10
10
11
11
12

Dew Point (°C)

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

Relative Humidity (%)

68
62
58
53
50
46
43
43
46
50
53
55
59
64
67
68
70
72
74
76
75
73
70
66

Pressure (mb)

1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

334
335
334
333
332
332
332
332
332
332
333
333
334
336
341
348
352
352
350
349
351
353
354
353

Tuesday 28

Waning Crescent 33%

03:15

14:09

09 OK
10 OK
11 OK
12 OK
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 Good
02 Good
03 OK
04 OK
05 OK
06 Good
07 OK
08 OK

Sun - Rise: 04:53, Set: 21:05, Transit: 13:00. Moon - Rise: 03:15, Set: 14:09. Civil Dark: 21:50 - 04:08. Nautical Dark: 22:55 - 03:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

23
23
23
23
93
93
93
93
93
93
100
100
100
100
100
100
7
7
7
7
7
7
33
33

Low Clouds (% Sky Obscured)

13
13
13
13
22
22
22
22
22
22
80
80
80
80
80
80
6
6
6
6
6
6
3
3

Medium Clouds (% Sky Obscured)

17
17
17
17
41
41
41
41
41
41
100
100
100
100
100
100
5
5
5
5
5
5
31
31

High Clouds (% Sky Obscured)

0
0
0
0
89
89
89
89
89
89
100
100
100
100
100
100
0
0
0
0
0
0
2
2

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
9
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
2
2
2
0
0
0
1
3
4
4
3
3
0
0
7
21
35
19
5
0
0

Precipitation Amount (mm)

0
0
0
0.02
0.04
0.02
0
0
0
0.01
0.03
0.03
0.03
0.02
0.01
0
0
0.02
0.08
0.14
0.09
0.02
0
0

Wind Speed/Direction (mph)

13
13
14
14
14
13
13
12
12
11
11
10
9
9
9
9
10
11
12
13
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
58
55
52
50
49
50
52
54
56
58
58
59
61
63
64
66
69
73
77
78
78
77
73

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012

Ozone (du)

349
347
345
343
341
339
336
334
332
330
328
327
327
327
327
327
327
327
326
326
327
328
329
328

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

Generated: 22/05/19 09:44:26. Forecast: 22/05/19 to 28/05/19. Timezone: UTC+1.00