Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 95%

22:57

07:21

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

Sun - Rise: 05:19, Set: 21:08, Transit: 13:14. Moon - Rise: 22:57, Set: 07:21. Civil Dark: 21:50 - 04:37. Nautical Dark: 22:48 - 03:39. Astro Dark: 00:22 - 02:01

Total Clouds (% Sky Obscured)

4
0
20
20
31
58
91
96
42
72
82
95
98
97
95
84
6
0
0
0
0
41
87
88

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
1
3
37
87
92
84
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
20
20
31
58
91
96
41
72
82
94
97
97
83
19
6
0
0
0
0
41
87
88

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 (%)

0
0
0
0
0
0
2
2
2
2
0
0
0
0
0
0
0
3
5
5
5
4
4
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
77
77
76
75
75
76
78
81
82
82
83
84
85
86
87
87
87
85
82
80
78
76

Pressure (mb)

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

Ozone (du)

359
358
356
355
354
353
353
353
353
353
354
354
355
356
358
359
359
359
357
354
350
347
345
343

Tuesday 21

Waning Gibbous 89%

23:57

08:09

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

Sun - Rise: 05:18, Set: 21:09, Transit: 13:14. Moon - Rise: 23:57, Set: 08:09. Civil Dark: 21:51 - 04:36. Nautical Dark: 22:50 - 03:37. Astro Dark: 00:28 - 01:54

Total Clouds (% Sky Obscured)

87
59
34
18
19
47
34
27
20
34
46
70
87
90
77
76
55
38
32
38
39
56
71
47

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
6
9
13
6
3

Medium Clouds (% Sky Obscured)

0
0
0
0
1
9
8
2
9
15
15
43
79
68
22
39
27
31
23
31
28
13
30
20

High Clouds (% Sky Obscured)

87
59
34
18
19
46
31
25
15
27
42
65
70
79
73
73
48
25
12
6
14
45
59
33

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
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
2
2
2
2
3
2
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
74
74
73
74
76
77
78
80
82
83
84
85
86
86
87
87
87
86
84
81
78
75
71

Pressure (mb)

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

Ozone (du)

342
342
342
341
340
338
337
335
334
333
331
330
329
329
330
330
330
330
330
332
335
337
337
337

Wednesday 22

Waning Gibbous 81%

00:47

09:05

13 OK
14 Bad
15 OK
16 Good
17 Good
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

Sun - Rise: 05:17, Set: 21:11, Transit: 13:14. Moon - Rise: 00:47, Set: 09:05. Civil Dark: 21:53 - 04:34. Nautical Dark: 22:52 - 03:35. Astro Dark: 00:35 - 01:46

Total Clouds (% Sky Obscured)

31
51
31
20
20
47
38
64
65
52
100
97
99
100
98
93
89
97
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

4
6
5
4
1
1
0
0
0
0
0
0
0
0
1
2
1
2
10
10
10
10
10
10

Medium Clouds (% Sky Obscured)

14
16
12
9
11
17
30
31
34
37
27
19
9
5
20
73
86
94
96
96
96
96
96
96

High Clouds (% Sky Obscured)

18
40
20
11
10
38
12
52
50
28
100
96
99
100
98
90
70
73
90
90
90
90
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
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
3
5
6
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0
0
0
0
0.02
0.04
0.05
0.13

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
68
69
69
70
69
69
70
72
73
74
75
75
74
74
73
74
75
76
75
75
74
73
72

Pressure (mb)

1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017

Ozone (du)

336
336
336
335
334
334
333
332
331
332
336
341
344
345
343
342
340
338
336
337
339
341
341
342

Thursday 23

Waning Gibbous 73%

01:28

10:06

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:16, Set: 21:12, Transit: 13:14. Moon - Rise: 01:28, Set: 10:06. Civil Dark: 21:54 - 04:33. Nautical Dark: 22:54 - 03:33. Astro Dark: 00:43 - 01:36

Total Clouds (% Sky Obscured)

88
88
88
88
88
88
97
97
97
97
97
97
39
39
39
39
39
39
97
97
97
97
97
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
13
13
13
13
13
13
34
34
34
34
34
34
38
38
38
38
38
38

Medium Clouds (% Sky Obscured)

86
86
86
86
86
86
96
96
96
96
96
96
14
14
14
14
14
14
0
0
0
0
0
0

High Clouds (% Sky Obscured)

23
23
23
23
23
23
0
0
0
0
0
0
0
0
0
0
0
0
94
94
94
94
94
94

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
6
4
4
4
5
8
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
Very Light Rain
None
None
None
None
None
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
Light Rain

Precipitation Probability (%)

11
10
14
19
18
15
11
0
0
2
3
5
12
25
35
37
39
36
32
27
25
21
16
12

Precipitation Amount (mm)

0.19
0.13
0.15
0.26
0.25
0.17
0.12
0
0
0.01
0.01
0.04
0.1
0.21
0.36
0.5
0.56
0.56
0.52
0.46
0.56
0.73
0.71
0.56

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
71
73
76
82
86
87
87
88
89
90
89
89
88
87
87
87
88
87
87
87
86
87

Pressure (mb)

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

Ozone (du)

342
344
346
347
347
345
344
344
343
343
342
340
340
341
342
344
345
345
346
347
347
348
347
346

Friday 24

Waning Gibbous 64%

02:01

11:09

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:15, Set: 21:13, Transit: 13:14. Moon - Rise: 02:01, Set: 11:09. Civil Dark: 21:56 - 04:32. Nautical Dark: 22:56 - 03:31. Astro Dark: 00:53 - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
91
91
91
91
91
91
65
65
65
65
65
65
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
38
38
38
38
38
56
56
56
56
56
56
31
31
31
31
31
31
34
34
34
34
34
34

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
88
88
88
88
88
88
0
0
0
0
0
0
99
99
99
99
99
99

High Clouds (% Sky Obscured)

86
86
86
86
86
86
0
0
0
0
0
0
49
49
49
49
49
49
80
80
80
80
80
80

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
8
4
2
0
0
0
0
0
0
0
0
4
5
0
0
0
3
0
0
0
0
0
0

Precipitation Amount (mm)

0.39
0.2
0.05
0.01
0
0
0
0
0
0
0
0
0.01
0.01
0
0
0
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
15
16
15
14
13
12
12
11
10
10
9
9
8
8
9
9
10
11
11
11
12
12

Chance of Frost

Temperature (°C)

13
13
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
15
14

Feels Like (°C)

13
13
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
15
14

Dew Point (°C)

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

Relative Humidity (%)

88
87
86
86
86
86
87
87
88
89
90
91
91
91
91
90
89
88
88
87
85
83
83
85

Pressure (mb)

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

Ozone (du)

344
341
337
334
332
330
328
324
319
315
312
310
308
307
305
304
301
298
296
295
295
296
296
296

Saturday 25

Waning Gibbous 54%

02:28

12:14

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:14, Set: 21:15, Transit: 13:15. Moon - Rise: 02:28, Set: 12:14. Civil Dark: 21:58 - 04:30. Nautical Dark: 22:58 - 03:29. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

65
65
65
65
65
65
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

64
64
64
64
64
64
100
100
100
100
100
100
100
100
100
100
100
100
31
31
31
31
31
31

Medium Clouds (% Sky Obscured)

3
3
3
3
3
3
28
28
28
28
28
28
34
34
34
34
34
34
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
97
97
97
97
97
97
90
90
90
90
90
90
96
96
96
96
96
96

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
6
4
6
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
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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
2
4
6
8
7
6
5
5
5
5
5
6
7
7
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
15
15
15
15
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14

Feels Like (°C)

14
14
15
15
15
15
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
84
84
84
84
85
88
91
91
90
90
90
90
91
91
91
92
91
90
90
89
90

Pressure (mb)

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

Ozone (du)

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

Sunday 26

Third Quarter 44%

02:51

No Set

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:13, Set: 21:16, Transit: 13:15. Moon - Rise: 02:51, Set: No Set. Civil Dark: 21:59 - 04:29. Nautical Dark: 23:00 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
73
73
73
73
73
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

15
15
15
15
15
15
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

68
68
68
68
68
68
100
100
100
100
100
100
29
29
29
29
29
29
93
93
93
93
93
93

High Clouds (% Sky Obscured)

0
0
0
0
0
0
94
94
94
94
94
94
17
17
17
17
17
17
80
80
80
80
80
80

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
9

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
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
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

Precipitation Probability (%)

6
5
0
0
6
9
10
8
4
3
3
4
6
7
6
6
7
10
13
17
16
16
19
25

Precipitation Amount (mm)

0.02
0.01
0
0
0.02
0.07
0.12
0.11
0.07
0.05
0.03
0.04
0.07
0.11
0.19
0.23
0.2
0.13
0.09
0.08
0.08
0.08
0.11
0.17

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
15
15
15
15
15
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14

Feels Like (°C)

14
15
15
15
15
15
15
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

89
86
84
82
83
85
87
87
88
88
89
89
90
91
91
91
91
91
91
90
88
87
85
83

Pressure (mb)

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

Ozone (du)

299
299
299
299
300
301
304
309
315
319
318
315
313
315
317
319
319
318
317
316
315
314
314
314

Forecast for Hartland, Devon, UK (50.99,-4.53)

Generated: 20/05/19 13:32:23. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+1.00