Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waning Gibbous 84%

23:07

08:35

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

Sun - Rise: 05:11, Set: 21:08, Transit: 13:09. Moon - Rise: 23:07, Set: 08:35. Civil Dark: 21:51 - 04:28. Nautical Dark: 22:52 - 03:27. Astro Dark: N/A - 01:28

Total Clouds (% Sky Obscured)

61
86
39
30
37
21
40
43
85
84
74
68
38
39
43
9
59
35
15
63
94
87
16
48

Low Clouds (% Sky Obscured)

47
70
31
23
13
20
39
42
84
82
58
56
31
35
41
7
1
2
8
13
10
6
4
1

Medium Clouds (% Sky Obscured)

27
6
23
13
16
6
6
13
8
30
64
52
27
28
25
5
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

20
56
6
9
25
0
0
0
0
0
0
0
0
0
0
0
59
34
9
59
93
86
13
48

ISS Passover

Visibility (miles)

7
7
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

Precipitation Type

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

Precipitation Probability (%)

0
0
5
9
29
36
21
6
2
2
2
3
2
2
1
0
0
0
0
0
0
1
0
0

Precipitation Amount (mm)

0
0
0.02
0.12
0.52
0.84
0.54
0.14
0.02
0.01
0.02
0.03
0.02
0.01
0.01
0
0
0
0
0
0
0.01
0
0

Wind Speed/Direction (mph)

11
11
13
14
15
15
16
17
17
16
15
14
13
11
10
9
9
9
8
6
5
5
6
6

Chance of Frost

Temperature (°C)

18
20
21
21
21
21
22
23
24
24
23
22
21
20
18
17
16
15
14
14
13
13
13
14

Feels Like (°C)

18
20
21
21
21
21
22
23
24
24
23
22
21
20
18
17
16
15
14
14
13
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

88
78
70
68
69
69
63
57
53
53
56
60
62
65
67
69
73
76
80
84
87
89
90
87

Pressure (mb)

1006
1006
1006
1007
1007
1007
1008
1009
1009
1010
1010
1011
1012
1013
1015
1015
1016
1017
1017
1017
1018
1018
1019
1019

Ozone (du)

373
379
381
377
370
365
364
365
366
363
358
355
355
355
357
361
365
367
363
355
349
345
341
338

Sunday 21

Waning Gibbous 77%

23:26

09:41

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 OK
21 Good
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:12, Set: 21:07, Transit: 13:09. Moon - Rise: 23:26, Set: 09:41. Civil Dark: 21:50 - 04:29. Nautical Dark: 22:50 - 03:29. Astro Dark: 00:50 - 01:40

Total Clouds (% Sky Obscured)

97
95
98
93
100
99
100
100
100
100
99
98
18
5
81
91
98
100
100
100
98
81
82
52

Low Clouds (% Sky Obscured)

56
66
93
80
100
96
99
82
91
6
26
9
6
1
0
0
0
0
3
2
3
5
11
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
4
0
0
14
0
0
0
0
0
0
13
0
0
0
1
0
0
0
0

High Clouds (% Sky Obscured)

94
86
66
62
85
87
99
99
98
100
99
98
13
3
81
91
98
100
100
100
98
79
80
40

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
1
1
1
1
0
0
0
0
0
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0
0
0
0
0
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
70
63
57
52
49
47
47
48
49
50
52
56
62
68
72
77
80
82
83
83
83
83
80

Pressure (mb)

1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

337
336
336
337
338
338
337
334
331
329
326
324
323
322
321
320
318
317
316
314
313
313
312
312

Monday 22

Waning Gibbous 68%

23:44

10:46

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

Sun - Rise: 05:14, Set: 21:05, Transit: 13:09. Moon - Rise: 23:44, Set: 10:46. Civil Dark: 21:48 - 04:31. Nautical Dark: 22:48 - 03:32. Astro Dark: 00:38 - 01:48

Total Clouds (% Sky Obscured)

91
96
85
81
73
36
26
20
18
15
10
11
11
11
11
11
11
0
0
0
0
0
0
90

Low Clouds (% Sky Obscured)

68
95
84
70
54
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
90

Medium Clouds (% Sky Obscured)

0
1
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)

71
20
13
39
42
34
25
20
18
15
10
11
11
11
11
11
11
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)

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

Chance of Frost

Temperature (°C)

19
20
22
24
26
27
28
29
29
29
29
28
26
23
22
20
19
18
17
16
15
15
16
18

Feels Like (°C)

19
20
22
24
26
27
28
29
29
29
29
28
26
23
22
20
19
18
17
16
15
15
16
18

Dew Point (°C)

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

Relative Humidity (%)

75
68
62
58
54
51
48
47
46
46
47
49
54
59
64
68
73
77
81
84
86
84
82
75

Pressure (mb)

1021
1022
1022
1022
1022
1021
1021
1021
1021
1021
1020
1020
1020
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1018

Ozone (du)

311
311
310
310
311
312
312
312
312
313
314
315
319
324
326
326
324
322
321
319
318
318
318
318

Tuesday 23

Waning Gibbous 58%

00:02

11:52

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

Sun - Rise: 05:15, Set: 21:04, Transit: 13:09. Moon - Rise: 00:02, Set: 11:52. Civil Dark: 21:47 - 04:33. Nautical Dark: 22:46 - 03:34. Astro Dark: 00:29 - 01:56

Total Clouds (% Sky Obscured)

90
90
90
90
90
0
0
0
0
0
0
2
2
2
2
2
2
0
0
0
0
0
0
17

Low Clouds (% Sky Obscured)

90
90
90
90
90
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
17

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
6
11
14
21
28
29
23
14
6
4
3
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.01
0.03
0.07
0.12
0.28
0.75
1.06
0.64
0.14
0.02
0.02
0.03
0.04

Wind Speed/Direction (mph)

7
8
9
11
11
12
12
12
12
11
10
10
10
10
10
11
12
13
11
8
7
8
10
11

Chance of Frost

Temperature (°C)

20
24
27
28
30
31
32
32
32
32
32
32
31
30
28
26
25
23
22
22
21
21
20
20

Feels Like (°C)

20
24
27
29
30
31
32
32
32
32
32
32
31
30
28
26
25
24
23
22
22
21
20
21

Dew Point (°C)

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

Relative Humidity (%)

67
58
50
46
43
40
38
36
35
35
35
35
36
37
41
48
60
70
74
74
75
77
82
82

Pressure (mb)

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

Ozone (du)

317
315
314
313
313
314
316
318
319
317
314
311
309
306
305
304
304
305
306
307
307
306
303
301

Wednesday 24

Waning Gibbous 48%

00:20

12:59

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
04 Bad
05 Bad
06 Bad
07 OK

Sun - Rise: 05:16, Set: 21:03, Transit: 13:09. Moon - Rise: 00:20, Set: 12:59. Civil Dark: 21:45 - 04:34. Nautical Dark: 22:44 - 03:36. Astro Dark: 00:22 - 02:02

Total Clouds (% Sky Obscured)

17
17
17
17
17
63
63
63
63
63
63
95
95
95
95
95
95
87
87
87
87
87
87
26

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)

17
17
17
17
17
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
63
63
63
63
63
63
95
95
95
95
95
95
87
87
87
87
87
87
26

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 (%)

2
0
0
0
0
0
0
1
1
1
0
0
1
2
3
3
2
2
2
0
0
0
0
2

Precipitation Amount (mm)

0.02
0
0
0
0
0
0
0.01
0.02
0.01
0
0
0.04
0.19
0.29
0.18
0.04
0.01
0.01
0
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
23
25
27
28
30
31
31
31
30
29
28
27
25
23
23
22
22
21
21
21
21
21
22

Feels Like (°C)

22
23
25
28
29
31
32
32
31
31
30
29
27
25
23
23
22
22
21
21
21
21
21
22

Dew Point (°C)

17
18
18
18
18
18
18
18
17
17
17
17
17
17
16
16
16
16
16
16
16
16
16
17

Relative Humidity (%)

78
72
67
60
54
49
46
45
45
47
50
52
57
62
65
68
70
72
74
76
76
75
74
73

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1012
1012
1012
1012
1012
1011
1011
1010
1010
1010
1010
1009
1009

Ozone (du)

303
305
307
307
307
306
305
304
303
301
300
299
298
297
297
296
295
294
293
292
292
293
294
294

Thursday 25

Third Quarter 38%

00:41

14:07

08 OK
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 Bad

Sun - Rise: 05:18, Set: 21:01, Transit: 13:09. Moon - Rise: 00:41, Set: 14:07. Civil Dark: 21:43 - 04:36. Nautical Dark: 22:42 - 03:38. Astro Dark: 00:16 - 02:08

Total Clouds (% Sky Obscured)

26
26
26
26
26
76
76
76
76
76
76
91
91
91
91
91
91
61
61
61
61
61
61
100

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
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
36
36
36
36
36
36
7
7
7
7
7
7
0
0
0
0
0
0
77

High Clouds (% Sky Obscured)

26
26
26
26
26
64
64
64
64
64
64
91
91
91
91
91
91
61
61
61
61
61
61
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

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
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
2
2
2
0
0
0
0
9
18
25
18
10
6
5
0
0
0
1
2

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.01
0.01
0
0
0
0
0.04
0.22
0.37
0.28
0.11
0.03
0.01
0
0
0
0.01
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
23
24
26
27
28
29
28
27
27
26
25
24
22
21
20
19
19
18
17
17
17
17
17

Feels Like (°C)

23
24
25
26
28
29
29
29
28
28
26
25
24
23
21
20
19
19
18
17
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

72
71
69
64
58
54
52
52
54
56
58
60
63
67
70
72
74
76
79
82
85
85
83
79

Pressure (mb)

1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1010
1010
1010
1011
1011
1011
1011
1011
1012
1012

Ozone (du)

294
293
292
293
294
294
294
294
294
293
292
291
291
291
291
291
292
293
294
296
297
298
300
301

Friday 26

Waning Crescent 36%

01:05

15:18

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
04 Bad
05 Bad
06 Bad
07 Good

Sun - Rise: 05:19, Set: 21:00, Transit: 13:09. Moon - Rise: 01:05, Set: 15:18. Civil Dark: 21:42 - 04:38. Nautical Dark: 22:39 - 03:41. Astro Dark: 00:10 - 02:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
98
98
98
98
98
98
0

Low Clouds (% Sky Obscured)

1
1
1
1
1
31
31
31
31
31
31
95
95
95
95
95
95
6
6
6
6
6
6
0

Medium Clouds (% Sky Obscured)

77
77
77
77
77
100
100
100
100
100
100
91
91
91
91
91
91
2
2
2
2
2
2
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
34
34
34
34
34
34
98
98
98
98
98
98
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 (%)

1
0
0
0
1
2
2
2
2
2
0
0
0
0
0
0
2
3
2
0
0
0
2
3

Precipitation Amount (mm)

0.01
0
0
0
0.02
0.03
0.03
0.02
0.02
0.01
0
0
0
0
0
0
0.01
0.02
0.01
0
0
0
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
12
12
12
12
12
12
12
12
12
12
12
12
12
12
13
13
13
13
12
12
13
13

Relative Humidity (%)

73
65
60
57
54
51
49
48
48
49
50
52
54
59
64
71
78
84
88
89
90
91
91
87

Pressure (mb)

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

Ozone (du)

304
306
309
313
316
320
322
324
325
327
329
332
334
337
339
341
343
344
346
348
348
347
345
342

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

Generated: 20/07/19 08:21:12. Forecast: 20/07/19 to 26/07/19. Timezone: UTC+1.00