Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 95%

22:57

07:22

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

Sun - Rise: 05:20, Set: 21:07, Transit: 13:14. Moon - Rise: 22:57, Set: 07:22. Civil Dark: 21:49 - 04:38. Nautical Dark: 22:46 - 03:40. Astro Dark: 00:17 - 02:06

Total Clouds (% Sky Obscured)

2
35
50
49
66
84
73
34
81
80
88
97
96
93
74
16
0
0
0
0
43
88
90
90

Low Clouds (% Sky Obscured)

0
4
8
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

Medium Clouds (% Sky Obscured)

2
2
2
1
0
0
0
0
0
0
5
15
77
88
73
14
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
32
46
49
66
84
73
34
81
80
88
97
95
89
6
8
0
0
0
0
43
88
90
90

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

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 (%)

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

Precipitation Amount (mm)

0.01
0
0
0
0
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0.01
0.02
0.01
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

12
12
13
13
12
12
11
10
9
8
8
7
7
7
7
6
6
5
5
6
6
7
7
8

Chance of Frost

Temperature (°C)

16
15
15
15
14
14
13
12
11
11
10
10
9
9
9
9
10
10
11
12
13
14
15
16

Feels Like (°C)

16
15
15
15
14
14
13
12
11
11
10
8
8
8
8
8
8
10
11
12
13
14
15
16

Dew Point (°C)

10
10
9
9
9
8
8
8
8
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9

Relative Humidity (%)

67
68
68
69
68
70
73
77
80
82
84
85
87
89
89
90
90
89
85
80
75
72
68
65

Pressure (mb)

1015
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1021
1021

Ozone (du)

357
356
354
353
353
352
352
352
353
353
353
354
355
357
357
358
358
357
354
350
347
344
343
342

Tuesday 21

Waning Gibbous 89%

23:56

08:10

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

Sun - Rise: 05:19, Set: 21:09, Transit: 13:14. Moon - Rise: 23:56, Set: 08:10. Civil Dark: 21:50 - 04:37. Nautical Dark: 22:49 - 03:38. Astro Dark: 00:23 - 02:00

Total Clouds (% Sky Obscured)

73
48
23
24
50
31
24
16
36
51
73
88
90
81
74
56
36
31
59
45
76
81
71
66

Low Clouds (% Sky Obscured)

4
2
1
0
0
0
0
0
0
0
0
0
1
1
1
1
2
15
47
20
34
21
3
0

Medium Clouds (% Sky Obscured)

0
0
0
1
14
8
2
7
17
17
46
78
61
20
27
24
29
19
26
27
34
48
56
59

High Clouds (% Sky Obscured)

73
47
23
23
49
29
23
13
29
47
70
74
81
77
71
52
23
6
5
13
52
59
35
23

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
2
2
2
2
2
2
2
3
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.02
0.01
0.01
0.01
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
10
10
10
9
8
7
6
5
5
5
4
3
3
2
1
2
1
1
1
2
3
5

Chance of Frost

Temperature (°C)

16
16
16
15
15
14
13
12
11
11
11
10
10
10
10
9
10
10
11
13
14
15
16
16

Feels Like (°C)

16
16
16
15
15
14
13
12
11
11
11
10
9
9
10
9
10
10
11
13
14
15
16
16

Dew Point (°C)

9
9
9
9
9
9
9
9
9
8
8
8
8
8
8
8
8
8
8
9
9
8
8
8

Relative Humidity (%)

64
64
65
67
68
71
75
80
83
85
86
88
89
90
90
90
90
88
83
77
71
65
61
58

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021

Ozone (du)

342
342
341
340
339
337
336
334
333
332
331
330
330
330
330
330
330
330
332
334
336
337
336
336

Wednesday 22

Waning Gibbous 81%

00:47

09:06

14 Bad
15 OK
16 Good
17 OK
18 OK
19 OK
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

Sun - Rise: 05:18, Set: 21:10, Transit: 13:14. Moon - Rise: 00:47, Set: 09:06. Civil Dark: 21:52 - 04:35. Nautical Dark: 22:51 - 03:36. Astro Dark: 00:29 - 01:53

Total Clouds (% Sky Obscured)

54
30
18
23
39
26
64
58
52
100
98
100
99
98
90
91
98
96
96
96
96
96
96
94

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

23
13
9
9
12
15
24
8
18
18
12
4
4
46
87
89
95
90
90
90
90
90
90
94

High Clouds (% Sky Obscured)

42
20
10
16
32
15
56
55
45
100
98
100
99
97
80
66
87
88
88
88
88
88
88
5

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
Very Light Rain

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.03
0.03
0.06
0.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
16
16
15
14
12
11
11
11
10
10
9
8
10
11
11
12
14
15
15
16
16

Dew Point (°C)

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

Relative Humidity (%)

56
56
57
57
59
61
65
71
74
76
76
77
77
77
77
79
80
80
77
73
69
68
67
66

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1017
1017
1017

Ozone (du)

335
335
335
334
333
333
332
331
332
336
341
344
344
343
341
339
337
336
337
340
341
342
342
342

Thursday 23

Waning Gibbous 73%

01:28

10:06

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:16, Set: 21:11, Transit: 13:15. Moon - Rise: 01:28, Set: 10:06. Civil Dark: 21:54 - 04:34. Nautical Dark: 22:53 - 03:34. Astro Dark: 00:36 - 01:45

Total Clouds (% Sky Obscured)

94
94
94
94
94
98
98
98
98
98
98
48
48
48
48
48
48
99
99
99
99
99
99
100

Low Clouds (% Sky Obscured)

1
1
1
1
1
23
23
23
23
23
23
47
47
47
47
47
47
91
91
91
91
91
91
56

Medium Clouds (% Sky Obscured)

94
94
94
94
94
98
98
98
98
98
98
3
3
3
3
3
3
0
0
0
0
0
0
100

High Clouds (% Sky Obscured)

5
5
5
5
5
0
0
0
0
0
0
0
0
0
0
0
0
95
95
95
95
95
95
90

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
9
7
5
4
3
4
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

7
10
13
14
14
13
3
2
2
2
3
9
19
26
34
42
46
42
31
24
20
15
11
8

Precipitation Amount (mm)

0.09
0.15
0.24
0.25
0.23
0.21
0.04
0.01
0.01
0.01
0.03
0.09
0.17
0.27
0.38
0.49
0.58
0.59
0.52
0.58
0.71
0.67
0.51
0.34

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
12

Relative Humidity (%)

63
61
61
65
71
77
82
86
87
88
90
91
91
90
89
89
88
88
87
86
85
84
84
83

Pressure (mb)

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

Ozone (du)

344
346
347
346
344
343
342
342
341
340
339
338
339
341
342
342
343
343
343
344
344
344
343
341

Friday 24

Waning Gibbous 64%

02:01

11:10

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:15, Set: 21:13, Transit: 13:15. Moon - Rise: 02:01, Set: 11:10. Civil Dark: 21:55 - 04:33. Nautical Dark: 22:55 - 03:32. Astro Dark: 00:44 - 01:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
93
93
93
93
93
93
100
100
100
100
100
100
65

Low Clouds (% Sky Obscured)

56
56
56
56
56
76
76
76
76
76
76
83
83
83
83
83
83
84
84
84
84
84
84
64

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
98
98
98
98
98
98
4

High Clouds (% Sky Obscured)

90
90
90
90
90
0
0
0
0
0
0
61
61
61
61
61
61
82
82
82
82
82
82
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

Very Light Rain
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 (%)

6
4
2
0
0
0
0
0
0
2
3
4
4
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.19
0.07
0.02
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
11
11
11
12
12
12
11
11
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12

Relative Humidity (%)

83
81
79
77
78
79
83
86
88
90
91
92
92
92
92
92
91
89
86
82
79
78
76
75

Pressure (mb)

1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1021

Ozone (du)

339
336
333
331
328
326
322
318
314
311
309
307
306
305
303
301
299
297
296
296
296
296
296
296

Saturday 25

Waning Gibbous 54%

02:28

12:15

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:14, Set: 21:14, Transit: 13:15. Moon - Rise: 02:28, Set: 12:15. Civil Dark: 21:57 - 04:31. Nautical Dark: 22:57 - 03:31. Astro Dark: 00:54 - N/A

Total Clouds (% Sky Obscured)

65
65
65
65
65
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
96

Low Clouds (% Sky Obscured)

64
64
64
64
64
100
100
100
100
100
100
100
100
100
100
100
100
53
53
53
53
53
53
57

Medium Clouds (% Sky Obscured)

4
4
4
4
4
27
27
27
27
27
27
22
22
22
22
22
22
2
2
2
2
2
2
92

High Clouds (% Sky Obscured)

0
0
0
0
0
99
99
99
99
99
99
92
92
92
92
92
92
96
96
96
96
96
96
5

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
1
3
4
6
8
7
6
4
5
5
5
5
5
5
5
5
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
12
12
12
12
7
7
11
6
7
11
11
10
12
11
11
12
12
13
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
76
76
77
78
79
82
87
90
91
90
90
91
92
92
93
93
92
91
89
87
86
84
83

Pressure (mb)

1021
1021
1021
1020
1020
1020
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1020
1020
1020
1020
1019

Ozone (du)

295
294
294
295
296
296
296
296
296
295
295
295
294
294
294
294
294
294
295
295
296
297
298
299

Sunday 26

Third Quarter 44%

02:51

13:20

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:13, Set: 21:15, Transit: 13:15. Moon - Rise: 02:51, Set: 13:20. Civil Dark: 21:58 - 04:30. Nautical Dark: 22:59 - 03:29. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
96
96
96
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low 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
100

Medium Clouds (% Sky Obscured)

92
92
92
92
92
98
98
98
98
98
98
44
44
44
44
44
44
95
95
95
95
95
95
58

High Clouds (% Sky Obscured)

5
5
5
5
5
94
94
94
94
94
94
35
35
35
35
35
35
64
64
64
64
64
64
99

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

5
3
3
5
6
7
5
4
4
4
4
6
6
7
6
7
11
15
21
26
30
35
42
45

Precipitation Amount (mm)

0.01
0.01
0.01
0.02
0.05
0.08
0.07
0.05
0.03
0.03
0.05
0.07
0.11
0.18
0.21
0.19
0.13
0.1
0.1
0.13
0.18
0.27
0.4
0.53

Wind Speed/Direction (mph)

15
16
16
16
16
16
16
15
15
15
15
15
15
15
14
14
14
14
14
14
15
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
78
76
77
79
82
83
85
86
87
88
89
91
91
92
91
91
90
89
88
87
84
81
79

Pressure (mb)

1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

299
298
299
299
300
303
307
313
317
316
314
313
314
316
317
318
317
317
315
314
312
312
312
313

Forecast for Bude, Cornwall, UK (50.83,-4.54)

Generated: 20/05/19 14:03:59. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+1.00