Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

First Quarter 55%

16:03

00:05

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:07, Set: 20:48, Transit: 13:27. Moon - Rise: 16:03, Set: 00:05. Civil Dark: 21:29 - 05:27. Nautical Dark: 22:21 - 04:35. Astro Dark: 23:28 - 03:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
98
98

Low Clouds (% Sky Obscured)

41
1
0
0
0
0
0
26
100
100
95
100
100
100
99
100
100
100
100
100
100
100
98
98

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
87
100
100
100
99
46
26
23
31
21
2
1
0
0
1
1

High Clouds (% Sky Obscured)

66
92
93
98
93
100
100
100
98
2
0
0
0
0
4
25
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
10
10
10
10
10
9
5
3
5
8
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

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

Precipitation Probability (%)

7
6
8
13
32
58
71
77
78
74
63
39
20
12
9
8
7
7
6
3
3
3
0
0

Precipitation Amount (mm)

0.05
0.09
0.07
0.13
0.48
0.99
1.71
2.81
2.71
1.68
0.7
0.37
0.17
0.07
0.04
0.03
0.03
0.03
0.02
0.01
0.01
0.01
0
0

Wind Speed/Direction (mph)

13
11
9
7
5
4
6
8
10
10
11
11
11
11
10
10
11
11
11
12
13
12
12
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
15
15
15
15
15

Relative Humidity (%)

67
66
68
72
76
81
84
87
89
89
88
86
86
87
88
89
88
88
85
82
76
70
66
67

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1012
1011
1010
1009
1009
1009
1009
1009
1010
1011
1012
1013
1014
1015
1015
1016
1016

Ozone (du)

299
298
298
297
297
297
297
297
298
299
301
302
302
301
301
304
308
311
311
310
308
307
306
305

Sunday 19

Waxing Gibbous 65%

17:05

00:36

17 Bad
18 Bad
19 Bad
20 OK
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

Sun - Rise: 06:09, Set: 20:46, Transit: 13:27. Moon - Rise: 17:05, Set: 00:36. Civil Dark: 21:26 - 05:29. Nautical Dark: 22:18 - 04:38. Astro Dark: 23:24 - 03:34

Total Clouds (% Sky Obscured)

100
84
81
39
71
98
94
100
100
100
100
100
100
100
99
93
80
100
100
99
96
90
70
84

Low Clouds (% Sky Obscured)

100
84
77
29
70
98
91
99
100
100
100
100
100
100
97
93
79
100
100
99
91
89
61
71

Medium Clouds (% Sky Obscured)

11
9
27
24
13
20
41
60
100
100
96
68
39
33
39
36
24
46
30
28
51
65
55
77

High Clouds (% Sky Obscured)

0
0
0
0
0
0
16
5
30
48
92
95
98
75
84
0
0
2
0
53
58
3
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
9
9
8
8
8
8
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
2
2
2
3
4
4
4
4
3
3
2
2
3
3
3
3
3
3
3
4
4
4
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
8
8
6
5
5
4
3
3
3
3
3
2
2
2
2
2
2
2
3
3
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
68
68
69
71
73
75
76
77
78
79
80
82
84
85
84
83
82
81
80
79
77
76
75

Pressure (mb)

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

Ozone (du)

304
303
302
301
300
299
298
297
296
296
296
296
295
295
294
295
295
295
295
295
295
294
294
293

Monday 20

Waxing Gibbous 74%

17:05

01:13

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

Sun - Rise: 06:11, Set: 20:44, Transit: 13:26. Moon - Rise: 17:05, Set: 01:13. Civil Dark: 21:24 - 05:31. Nautical Dark: 22:15 - 04:40. Astro Dark: 23:19 - 03:37

Total Clouds (% Sky Obscured)

96
74
52
36
41
57
100
100
65
86
64
94
98
82
91
91
91
91
91
91
10
10
10
10

Low Clouds (% Sky Obscured)

56
58
27
30
41
57
100
100
65
85
63
94
98
81
91
91
91
91
91
91
9
9
9
9

Medium Clouds (% Sky Obscured)

74
42
9
3
1
0
0
3
0
8
2
2
9
11
2
2
2
2
2
2
2
2
2
2

High Clouds (% Sky Obscured)

66
32
31
8
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

5
7
8
7
7
5
4
4
3
3
2
2
0
0
5
11
11
12
10
12
15
14
10
11

Precipitation Amount (mm)

0.06
0.12
0.19
0.18
0.17
0.09
0.07
0.05
0.04
0.02
0.01
0.01
0
0
0.01
0.13
0.09
0.11
0.04
0.11
0.15
0.12
0.06
0.07

Wind Speed/Direction (mph)

5
5
5
5
5
4
4
5
5
5
5
6
6
6
7
8
9
10
12
14
15
16
16
16

Chance of Frost

Temperature (°C)

19
19
19
18
18
17
17
16
16
16
16
16
16
16
16
16
17
18
18
20
20
21
21
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
76
78
79
82
84
86
88
90
90
90
89
88
87
87
87
86
87
85
81
79
78
76
75

Pressure (mb)

1020
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014

Ozone (du)

293
294
295
295
295
294
294
293
292
293
294
295
295
296
297
297
297
298
299
300
301
301
301
300

Tuesday 21

Waxing Gibbous 82%

18:00

01:57

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

Sun - Rise: 06:13, Set: 20:41, Transit: 13:26. Moon - Rise: 18:00, Set: 01:57. Civil Dark: 21:21 - 05:34. Nautical Dark: 22:12 - 04:43. Astro Dark: 23:15 - 03:41

Total Clouds (% Sky Obscured)

10
10
73
73
73
73
73
73
40
40
40
40
40
40
17
17
17
17
17
17
100
100
100
100

Low Clouds (% Sky Obscured)

9
9
72
72
72
72
72
72
2
2
2
2
2
2
17
17
17
17
17
17
100
100
100
100

Medium Clouds (% Sky Obscured)

2
2
0
0
0
0
0
0
23
23
23
23
23
23
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
2
2
2
2
2
2
23
23
23
23
23
23
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
7
6
5
5
6
8
10
10
10
10
9
6
6
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

11
13
12
8
6
4
5
7
8
15
15
17
18
19
16
13
10
11
21
50
59
44
28
20

Precipitation Amount (mm)

0.08
0.1
0.11
0.11
0.06
0.04
0.05
0.09
0.13
0.25
0.23
0.21
0.21
0.22
0.2
0.11
0.03
0.02
0.11
0.41
0.69
0.62
0.4
0.22

Wind Speed/Direction (mph)

16
15
14
12
11
10
9
9
8
6
5
5
3
5
7
9
10
11
11
11
11
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
77
78
74
77
78
79
81
82
83
84
85
87
89
88
85
80
77
74
72
70
69
69
69

Pressure (mb)

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

Ozone (du)

299
298
297
297
297
297
297
297
296
295
294
293
293
293
294
295
296
297
298
300
302
302
303
303

Wednesday 22

Waxing Gibbous 89%

18:48

02:48

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

Sun - Rise: 06:15, Set: 20:39, Transit: 13:26. Moon - Rise: 18:48, Set: 02:48. Civil Dark: 21:18 - 05:36. Nautical Dark: 22:09 - 04:45. Astro Dark: 23:11 - 03:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
38
38
38
38
38
38
96
96
96
96
96
96
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
99
99
99
99
99
99
20
20
20
20
20
20
2
2
2
2
2
2
100
100
100
100

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
99
99
99
99
99
99
22
22
22
22
22
22
96
96
96
96
96
96
99
99
99
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
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
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
Very Light Rain

Precipitation Probability (%)

12
7
3
0
0
0
0
1
1
4
5
7
11
14
14
13
12
12
13
11
12
11
12
15

Precipitation Amount (mm)

0.11
0.04
0.01
0
0
0
0
0.01
0.01
0.02
0.04
0.07
0.09
0.11
0.11
0.06
0.02
0.02
0.02
0.02
0.03
0.04
0.05
0.07

Wind Speed/Direction (mph)

7
7
7
2
5
6
5
4
5
5
6
8
7
8
9
9
10
11
12
13
14
14
15
15

Chance of Frost

Temperature (°C)

18
18
17
17
17
16
15
15
14
13
13
12
12
11
11
11
12
13
14
15
15
16
17
16

Feels Like (°C)

18
18
17
17
17
16
15
15
14
13
13
12
12
11
11
11
12
13
14
15
15
16
17
16

Dew Point (°C)

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

Relative Humidity (%)

70
69
68
68
68
70
71
74
76
78
79
81
83
85
86
85
83
80
72
65
60
57
55
55

Pressure (mb)

1014
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009

Ozone (du)

303
303
302
302
301
301
302
303
305
308
311
315
318
322
326
331
338
343
347
350
352
352
352
351

Thursday 23

Waxing Gibbous 94%

19:27

03:46

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:17, Set: 20:37, Transit: 13:25. Moon - Rise: 19:27, Set: 03:46. Civil Dark: 21:16 - 05:38. Nautical Dark: 22:06 - 04:48. Astro Dark: 23:07 - 03:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
99
99
99
99
99
64
64
64
64
64
64
62
62
62
62

Low Clouds (% Sky Obscured)

100
100
32
32
32
32
32
32
52
52
52
52
52
52
63
63
63
63
63
63
47
47
47
47

Medium Clouds (% Sky Obscured)

0
0
67
67
67
67
67
67
75
75
75
75
75
75
10
10
10
10
10
10
57
57
57
57

High Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
98
98
98
98
98
98
0
0
0
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
9
9
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
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
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

Precipitation Probability (%)

16
15
16
13
9
0
0
7
8
8
8
7
7
6
6
0
9
14
22
30
36
44
50
53

Precipitation Amount (mm)

0.1
0.13
0.14
0.07
0.01
0
0
0.02
0.04
0.03
0.02
0.01
0.01
0.01
0.01
0
0.01
0.03
0.07
0.14
0.21
0.24
0.29
0.32

Wind Speed/Direction (mph)

16
17
17
15
14
15
14
15
16
10
3
14
12
12
13
12
13
14
15
15
15
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
63
67
69
70
72
72
73
74
75
75
76
77
77
75
73
70
68
67
68
69
70
71
71

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009

Ozone (du)

351
352
352
352
352
351
349
346
343
341
340
339
340
342
344
348
352
355
354
352
351
352
354
355

Friday 24

Waxing Gibbous 98%

20:00

04:49

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

Sun - Rise: 06:18, Set: 20:34, Transit: 13:25. Moon - Rise: 20:00, Set: 04:49. Civil Dark: 21:13 - 05:40. Nautical Dark: 22:03 - 04:50. Astro Dark: 23:03 - 03:51

Total Clouds (% Sky Obscured)

62
62
99
99
99
99
99
99
2
2
2
2
2
2
38
38
38
38
38
38
100
100
100
100

Low Clouds (% Sky Obscured)

47
47
37
37
37
37
37
37
1
1
1
1
1
1
9
9
9
9
9
9
84
84
84
84

Medium Clouds (% Sky Obscured)

57
57
21
21
21
21
21
21
2
2
2
2
2
2
24
24
24
24
24
24
97
97
97
97

High Clouds (% Sky Obscured)

0
0
99
99
99
99
99
99
0
0
0
0
0
0
14
14
14
14
14
14
100
100
100
100

ISS Passover

Visibility (miles)

9
9
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
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
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

53
49
46
40
35
23
23
19
19
18
19
19
17
13
7
0
0
0
0
0
0
0
4
5

Precipitation Amount (mm)

0.25
0.17
0.13
0.1
0.08
0.06
0.05
0.06
0.07
0.08
0.08
0.07
0.05
0.02
0.01
0
0
0
0
0
0
0
0.02
0.04

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
71
71
72
73
74
75
77
80
82
84
86
86
85
80
75
71
67
64
61
59
59
59

Pressure (mb)

1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013

Ozone (du)

355
354
354
356
357
359
360
360
360
360
361
360
359
356
353
350
346
342
340
339
338
338
337
337

Forecast for Belfast, Belfast, UK (54.60,-5.93)

Generated: 18/08/18 17:40:37. Forecast: 18/08/18 to 24/08/18. Timezone: UTC+1.00