Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Crescent 14%

03:05

18:36

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

Sun - Rise: 06:08, Set: 20:48, Transit: 13:27. Moon - Rise: 03:05, Set: 18:36. Civil Dark: 21:28 - 05:28. Nautical Dark: 22:21 - 04:36. Astro Dark: 23:27 - 03:31

Total Clouds (% Sky Obscured)

67
48
53
68
81
77
76
79
81
55
65
42
36
60
95
31
29
49
50
45
40
44
44
46

Low Clouds (% Sky Obscured)

35
38
35
28
30
56
18
10
20
26
23
26
28
57
95
30
24
26
40
32
31
33
37
38

Medium Clouds (% Sky Obscured)

31
27
31
38
52
56
70
70
55
48
6
10
22
25
30
3
19
41
38
34
32
32
31
34

High Clouds (% Sky Obscured)

44
14
20
47
63
32
19
42
59
5
58
21
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

Precipitation Type

None
Light Rain
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
6
4
8
20
28
27
17
10
4
2
1
0
0
0
0
0
0
0
1
1
0
0
0

Precipitation Amount (mm)

0
0.65
0.1
0.12
0.2
0.26
0.24
0.18
0.13
0.08
0.05
0.04
0
0
0
0
0
0
0
0.04
0.04
0
0
0

Wind Speed/Direction (mph)

15
16
17
17
16
16
16
16
17
17
18
18
16
15
16
12
9
15
12
11
16
16
17
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
70
68
69
70
70
70
71
72
74
76
78
79
81
81
81
81
81
82
84
84
82
78
75

Pressure (mb)

1004
1004
1004
1004
1003
1003
1003
1004
1005
1006
1007
1008
1009
1009
1010
1010
1010
1011
1011
1011
1012
1012
1012
1013

Ozone (du)

371
372
373
372
371
370
368
365
362
357
353
350
349
349
350
350
350
351
351
352
352
352
351
350

Saturday 19

Waning Crescent 7%

04:17

19:26

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

Sun - Rise: 06:10, Set: 20:45, Transit: 13:27. Moon - Rise: 04:17, Set: 19:26. Civil Dark: 21:26 - 05:30. Nautical Dark: 22:18 - 04:38. Astro Dark: 23:23 - 03:35

Total Clouds (% Sky Obscured)

52
60
68
62
64
69
57
68
45
20
12
7
7
22
98
98
98
99
98
89
91
96
95
99

Low Clouds (% Sky Obscured)

34
38
41
37
41
61
52
64
9
3
5
3
1
0
0
0
0
1
1
1
1
0
0
1

Medium Clouds (% Sky Obscured)

43
55
63
56
54
50
41
38
41
19
9
6
6
5
4
2
0
0
0
0
6
0
0
21

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
19
98
98
98
99
98
88
90
96
95
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

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)

19
19
20
19
18
19
18
17
16
14
13
12
11
10
10
8
7
7
6
5
5
4
5
5

Chance of Frost

Temperature (°C)

14
15
15
16
16
16
17
17
16
16
15
14
13
13
12
12
12
12
11
11
10
11
13
14

Feels Like (°C)

14
15
15
16
16
16
17
17
16
16
15
14
13
13
12
12
12
12
11
11
10
11
13
14

Dew Point (°C)

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

Relative Humidity (%)

73
71
70
69
68
66
64
64
64
66
68
71
74
77
79
79
80
80
81
84
86
84
80
76

Pressure (mb)

1013
1014
1014
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020

Ozone (du)

349
348
346
342
339
336
334
334
333
332
332
331
329
326
325
324
323
322
319
316
313
310
308
306

Sunday 20

Waning Crescent 2%

05:34

20:06

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 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:12, Set: 20:43, Transit: 13:26. Moon - Rise: 05:34, Set: 20:06. Civil Dark: 21:23 - 05:32. Nautical Dark: 22:15 - 04:41. Astro Dark: 23:18 - 03:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
91
95
98
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

7
19
70
36
0
0
0
2
3
6
11
23
22
48
100
100
95
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

84
94
93
95
98
98
96
88
0
0
0
0
2
14
62
51
63
93
41
81
99
99
99
99

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
91
95
97
98
100
100
100
100
99
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

1
15
21
18
3
0
13
26
30
30
28
26
24
17
13
17
23
25
27
30
32
32
32
31

Precipitation Amount (mm)

0.04
0.2
0.33
0.22
0.06
0
0.17
0.7
1.21
1.1
0.74
0.51
0.32
0.19
0.15
0.19
0.32
0.47
0.69
1.27
1.87
1.94
1.67
1.39

Wind Speed/Direction (mph)

6
7
8
9
10
11
10
9
9
9
10
11
11
11
11
10
10
9
8
8
7
8
8
9

Chance of Frost

Temperature (°C)

15
16
16
16
16
16
16
16
16
16
16
16
16
16
16
17
17
17
17
16
16
16
16
17

Feels Like (°C)

15
16
16
16
16
16
16
16
16
16
16
16
16
16
16
17
17
17
17
16
16
16
16
17

Dew Point (°C)

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

Relative Humidity (%)

73
72
72
71
71
70
72
75
77
78
79
79
79
79
79
78
78
79
81
84
87
88
89
88

Pressure (mb)

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

Ozone (du)

304
303
303
304
305
306
307
308
309
309
309
309
308
307
306
305
304
303
302
300
299
298
297
297

Monday 21

New Moon 0%

06:52

20:38

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 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:13, Set: 20:41, Transit: 13:26. Moon - Rise: 06:52, Set: 20:38. Civil Dark: 21:20 - 05:34. Nautical Dark: 22:12 - 04:43. Astro Dark: 23:14 - 03:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

99
99
99
99
99
99
99
99
100
100
100
100
100
100
2
2
2
2
2
2
15
15
15
15

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
95
95
95
95
95
95
96
96
96
96
96
96
63
63
63
63

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

29
27
27
26
26
25
23
20
19
18
14
16
21
25
27
27
25
24
24
25
24
21
16
3

Precipitation Amount (mm)

1.18
1.18
1.27
1.14
1.01
0.92
0.63
0.38
0.32
0.31
0.2
0.21
0.71
1.99
3.15
2.95
2.09
1.54
1.53
1.66
1.53
0.9
0.31
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
90
90
89
87
85
83
83
79
81
83
84
85
85
84
84
84
83
85
87
88
87
86

Pressure (mb)

1016
1016
1015
1015
1015
1015
1015
1015
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

297
297
297
297
296
296
297
298
299
299
300
300
300
299
299
300
302
304
305
307
309
313
316
318

Tuesday 22

Waxing Crescent 1%

08:09

21:05

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 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:15, Set: 20:38, Transit: 13:26. Moon - Rise: 08:09, Set: 21:05. Civil Dark: 21:18 - 05:36. Nautical Dark: 22:08 - 04:46. Astro Dark: 23:10 - 03:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

15
15
42
42
42
42
42
42
30
30
30
30
30
30
33
33
33
33
33
33
53
53
53
53

High Clouds (% Sky Obscured)

63
63
90
90
90
90
90
90
90
90
90
90
90
90
92
92
92
92
92
92
83
83
83
83

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

Precipitation Probability (%)

2
7
12
12
10
9
9
13
16
20
22
24
23
21
1
0
0
0
0
1
2
1
0
0

Precipitation Amount (mm)

0.04
0.13
0.24
0.23
0.19
0.17
0.15
0.18
0.21
0.28
0.81
1.29
0.84
0.23
0.04
0
0
0
0
0.03
0.03
0.02
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
19
19
20
20
20
19
18
18
17
16
16
16
16
16
16
16
15
15
15
16
16

Feels Like (°C)

18
18
19
19
19
20
20
20
19
18
18
17
16
16
16
16
16
16
16
15
15
15
16
16

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
84
81
78
77
79
80
81
82
82
83
83
82
80
78
77
79
82
84
84
82
79

Pressure (mb)

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

Ozone (du)

317
314
312
313
316
318
321
323
325
325
326
327
332
337
341
342
341
340
339
339
339
340
340
341

Wednesday 23

Waxing Crescent 4%

09:25

21:29

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

Sun - Rise: 06:17, Set: 20:36, Transit: 13:26. Moon - Rise: 09:25, Set: 21:29. Civil Dark: 21:15 - 05:38. Nautical Dark: 22:05 - 04:48. Astro Dark: 23:06 - 03:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
45
45
45
45
45
45
82
82
82
82
82
82
98
98
98
98

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
12
12
12
12
12
12
13
13
13
13
13
13
91
91
91
91

Medium Clouds (% Sky Obscured)

53
53
41
41
41
41
41
41
32
32
32
32
32
32
41
41
41
41
41
41
14
14
14
14

High Clouds (% Sky Obscured)

83
83
20
20
20
20
20
20
16
16
16
16
16
16
70
70
70
70
70
70
90
90
90
90

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

1
8
13
13
13
13
13
13
13
8
2
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.03
0.15
0.32
0.44
0.53
0.54
0.43
0.32
0.26
0.15
0.05
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
8
9
10
11
5
6
7
6
5
6
7
3
6
6
5
5
5
5
5
6
7
7

Chance of Frost

Temperature (°C)

17
17
17
17
18
19
19
19
18
17
17
16
15
15
15
15
15
15
14
14
13
14
15
16

Feels Like (°C)

17
17
17
17
18
19
19
19
18
17
17
16
15
15
15
15
15
15
14
14
13
14
15
16

Dew Point (°C)

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

Relative Humidity (%)

78
78
77
76
74
72
71
73
75
76
77
79
80
81
81
81
81
80
79
79
79
79
78
76

Pressure (mb)

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

Ozone (du)

341
342
342
342
342
341
340
338
337
335
332
330
327
324
322
320
319
318
318
317
317
316
316
315

Thursday 24

Waxing Crescent 10%

10:38

21:51

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 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:19, Set: 20:34, Transit: 13:25. Moon - Rise: 10:38, Set: 21:51. Civil Dark: 21:13 - 05:40. Nautical Dark: 22:02 - 04:51. Astro Dark: 23:02 - 03:52

Total Clouds (% Sky Obscured)

98
98
99
99
99
99
99
99
81
81
81
81
81
81
89
89
89
89
89
89
100
100
100
100

Low Clouds (% Sky Obscured)

91
91
24
24
24
24
24
24
14
14
14
14
14
14
84
84
84
84
84
84
100
100
100
100

Medium Clouds (% Sky Obscured)

14
14
91
91
91
91
91
91
14
14
14
14
14
14
85
85
85
85
85
85
59
59
59
59

High Clouds (% Sky Obscured)

90
90
93
93
93
93
93
93
78
78
78
78
78
78
0
0
0
0
0
0
25
25
25
25

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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
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
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
1
2
5
9
8
7
6
2
0
0
0
4
12
18
19
19
18
4
0
0
0
0

Precipitation Amount (mm)

0
0
0.03
0.06
0.14
0.23
0.22
0.17
0.13
0.06
0
0
0
0.07
0.17
0.27
0.39
0.4
0.23
0.06
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
17
18
18
18
19
19
18
17
16
15
14
14
14
14
14
14
14
13
13
14
15
16

Feels Like (°C)

17
17
17
18
18
18
19
19
18
17
16
15
14
14
14
14
14
14
14
13
13
14
15
16

Dew Point (°C)

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

Relative Humidity (%)

73
71
69
68
67
66
66
68
70
72
74
76
78
79
80
81
81
81
82
85
87
86
83
80

Pressure (mb)

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

Ozone (du)

315
315
314
315
315
315
316
316
316
316
316
316
315
314
313
313
312
312
312
311
311
312
312
313

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

Generated: 18/08/17 11:43:05. Forecast: 18/08/17 to 24/08/17. Timezone: UTC+1.00