Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Crescent 8%

03:29

18:39

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

Sun - Rise: 06:30, Set: 20:57, Transit: 13:43. Moon - Rise: 03:29, Set: 18:39. Civil Dark: 21:34 - 05:53. Nautical Dark: 22:22 - 05:05. Astro Dark: 23:19 - 04:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
44
42
25
18
18
68
66
41
32
33
48
54
97
86
90
49
36
60

Low Clouds (% Sky Obscured)

98
42
23
19
17
25
16
16
10
6
5
44
9
21
16
23
27
34
53
73
71
27
13
16

Medium Clouds (% Sky Obscured)

100
99
20
14
21
48
28
35
20
16
15
16
23
33
27
24
11
20
95
31
32
20
25
13

High Clouds (% Sky Obscured)

100
100
100
100
100
96
16
0
0
2
2
47
56
12
0
0
27
34
18
52
67
29
11
50

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

Precipitation Type

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

Precipitation Probability (%)

1
14
29
15
2
0
0
0
0
1
12
22
13
1
0
0
0
1
8
23
27
26
24
21

Precipitation Amount (mm)

0.04
0.15
0.23
0.14
0.04
0
0
0
0
0.04
0.17
0.27
0.18
0.05
0
0
0
0.05
0.12
0.24
0.34
0.34
0.32
0.31

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
19
19
20
20
20
19
18
17
16
15
15
14
14
14
15
15
14
15
15
16
17
17

Feels Like (°C)

19
19
19
19
20
20
20
19
18
17
16
15
15
14
14
14
15
15
14
15
15
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

77
77
76
73
68
64
63
64
66
68
71
73
75
76
75
75
75
76
78
80
80
78
76
73

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1015
1015

Ozone (du)

313
312
313
316
321
325
326
327
330
339
350
357
354
346
340
340
343
345
346
347
347
345
341
339

Saturday 19

Waning Crescent 7%

04:40

19:30

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

Sun - Rise: 06:32, Set: 20:55, Transit: 13:42. Moon - Rise: 04:40, Set: 19:30. Civil Dark: 21:32 - 05:55. Nautical Dark: 22:20 - 05:07. Astro Dark: 23:16 - 04:12

Total Clouds (% Sky Obscured)

49
46
41
48
54
44
48
52
61
74
76
42
64
58
58
52
60
53
38
41
34
33
45
47

Low Clouds (% Sky Obscured)

22
25
23
23
37
18
16
22
34
9
25
11
18
35
40
33
33
35
18
23
26
20
23
19

Medium Clouds (% Sky Obscured)

33
38
37
45
49
41
45
48
57
74
72
41
63
56
50
48
56
50
34
33
19
24
40
39

High Clouds (% Sky Obscured)

18
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5

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

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

Precipitation Probability (%)

19
16
13
4
0
0
0
0
0
1
5
8
5
2
1
1
1
0
0
0
0
0
0
2

Precipitation Amount (mm)

0.3
0.27
0.22
0.1
0
0
0
0
0
0.04
0.1
0.13
0.1
0.05
0.03
0.03
0.03
0
0
0
0
0
0
0.05

Wind Speed/Direction (mph)

15
16
16
17
17
16
15
14
13
11
10
9
8
8
8
7
7
8
8
8
9
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
63
60
58
56
55
55
57
61
65
71
75
77
77
77
76
76
75
77
77
76
71
66
62

Pressure (mb)

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

Ozone (du)

338
338
339
338
338
338
339
340
341
342
342
343
342
341
340
339
337
336
335
335
334
330
326
322

Sunday 20

Waning Crescent 2%

05:54

20:12

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 OK
04 Bad
05 Bad
06 Bad
07 Good
08 Good
09 Good
10 Good
11 Good

Sun - Rise: 06:33, Set: 20:53, Transit: 13:42. Moon - Rise: 05:54, Set: 20:12. Civil Dark: 21:30 - 05:56. Nautical Dark: 22:17 - 05:10. Astro Dark: 23:12 - 04:15

Total Clouds (% Sky Obscured)

44
57
88
98
97
99
100
100
98
99
97
97
98
98
91
24
77
70
52
14
4
4
4
4

Low Clouds (% Sky Obscured)

15
28
33
39
31
38
38
34
21
20
13
10
7
7
4
1
2
5
6
4
2
2
2
2

Medium Clouds (% Sky Obscured)

34
31
37
37
20
19
18
20
23
26
27
19
19
24
24
21
25
21
11
3
1
1
1
1

High Clouds (% Sky Obscured)

8
31
79
95
96
98
100
100
98
98
96
96
98
98
88
4
69
63
45
10
2
2
2
2

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.07
0.07
0.06
0.04
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.03
0.05
0.04
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
58
58
58
57
56
57
60
64
67
70
73
75
78
80
80
80
80
82
84
83
78
72
68

Pressure (mb)

1021
1021
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

320
318
317
314
311
309
308
307
307
307
308
309
310
311
312
312
312
311
310
308
306
305
304
303

Monday 21

New Moon 0%

07:11

20:47

12 Good
13 Good
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 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK

Sun - Rise: 06:35, Set: 20:50, Transit: 13:42. Moon - Rise: 07:11, Set: 20:47. Civil Dark: 21:27 - 05:58. Nautical Dark: 22:14 - 05:12. Astro Dark: 23:09 - 04:18

Total Clouds (% Sky Obscured)

4
4
66
66
66
66
66
66
97
97
97
97
97
97
49
49
49
49
49
49
42
42
42
42

Low Clouds (% Sky Obscured)

2
2
46
46
46
46
46
46
15
15
15
15
15
15
16
16
16
16
16
16
6
6
6
6

Medium Clouds (% Sky Obscured)

1
1
59
59
59
59
59
59
96
96
96
96
96
96
44
44
44
44
44
44
39
39
39
39

High Clouds (% Sky Obscured)

2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2

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
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)

5
5
4
4
4
2
2
4
4
4
5
5
4
4
4
4
4
4
4
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
62
61
60
59
57
58
61
65
67
69
70
71
72
73
73
72
71
73
75
77
75
71
68

Pressure (mb)

1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020

Ozone (du)

301
298
296
295
293
292
291
290
290
290
291
291
291
291
291
290
288
287
286
285
285
284
283
283

Tuesday 22

Waxing Crescent 1%

08:26

21:16

12 OK
13 OK
14 Good
15 Good
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 Good
08 OK
09 OK
10 OK
11 OK

Sun - Rise: 06:37, Set: 20:48, Transit: 13:42. Moon - Rise: 08:26, Set: 21:16. Civil Dark: 21:25 - 06:00. Nautical Dark: 22:11 - 05:14. Astro Dark: 23:05 - 04:21

Total Clouds (% Sky Obscured)

42
42
2
2
2
2
2
2
0
0
0
0
0
0
1
1
1
1
1
1
42
42
42
42

Low Clouds (% Sky Obscured)

6
6
1
1
1
1
1
1
0
0
0
0
0
0
1
1
1
1
1
1
42
42
42
42

Medium Clouds (% Sky Obscured)

39
39
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
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)

5
5
5
5
5
5
4
3
3
3
5
5
5
4
3
3
3
3
3
3
4
4
5
5

Chance of Frost

Temperature (°C)

22
23
24
24
25
25
25
24
23
21
20
19
18
18
18
18
18
18
18
18
18
19
20
22

Feels Like (°C)

22
23
24
24
25
25
25
24
23
22
20
19
19
18
18
18
18
18
18
18
18
19
21
22

Dew Point (°C)

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

Relative Humidity (%)

65
62
61
59
58
57
59
64
69
75
81
84
86
86
85
83
81
79
80
82
83
81
77
73

Pressure (mb)

1019
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012

Ozone (du)

282
282
282
282
282
282
282
282
282
283
283
284
284
284
285
285
286
286
287
288
289
289
290
290

Wednesday 23

Waxing Crescent 4%

09:39

21:42

12 OK
13 OK
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 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good

Sun - Rise: 06:38, Set: 20:46, Transit: 13:41. Moon - Rise: 09:39, Set: 21:42. Civil Dark: 21:23 - 06:02. Nautical Dark: 22:09 - 05:16. Astro Dark: 23:02 - 04:23

Total Clouds (% Sky Obscured)

42
42
95
95
95
95
95
95
84
84
84
84
84
84
8
8
8
8
8
8
2
2
2
2

Low Clouds (% Sky Obscured)

42
42
95
95
95
95
95
95
84
84
84
84
84
84
8
8
8
8
8
8
2
2
2
2

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
0

High 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

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

Precipitation Probability (%)

0
0
0
5
10
11
12
13
14
13
2
0
0
0
0
0
0
0
0
0
1
2
2
3

Precipitation Amount (mm)

0
0
0
0.14
0.67
1.14
0.87
0.5
0.38
0.2
0.04
0
0
0
0
0
0
0
0
0
0.03
0.04
0.05
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
67
66
66
67
68
72
78
83
84
82
80
81
82
82
82
82
81
82
84
84
80
74
70

Pressure (mb)

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

Ozone (du)

291
291
292
294
296
297
298
298
298
298
299
299
299
299
298
298
298
298
300
303
305
308
311
314

Thursday 24

Waxing Crescent 9%

10:50

22:06

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

Sun - Rise: 06:40, Set: 20:44, Transit: 13:41. Moon - Rise: 10:50, Set: 22:06. Civil Dark: 21:20 - 06:04. Nautical Dark: 22:06 - 05:18. Astro Dark: 22:59 - 04:26

Total Clouds (% Sky Obscured)

2
2
84
84
84
84
84
84
0
0
0
0
0
0
38
38
38
38
38
38
2
2
2
2

Low Clouds (% Sky Obscured)

2
2
84
84
84
84
84
84
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
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
38
38
38
38
38
38
2
2
2
2

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
Very Light Rain
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

Precipitation Probability (%)

4
7
8
7
5
3
2
1
0
0
0
0
0
0
0
0
3
5
5
3
1
0
0
0

Precipitation Amount (mm)

0.11
0.16
0.2
0.17
0.12
0.08
0.05
0.04
0
0
0
0
0
0
0
0
0.06
0.11
0.1
0.06
0.03
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
14
14
14
14
14
14
14
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Relative Humidity (%)

68
66
66
66
66
65
66
67
70
75
80
83
84
84
83
82
81
81
81
81
79
74
69
64

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017

Ozone (du)

319
325
328
323
316
310
308
308
309
309
309
310
311
312
313
314
314
314
316
318
319
318
317
316

Forecast for Hilversum, Hilversum, NL (52.22,5.15)

Generated: 18/08/17 12:30:31. Forecast: 18/08/17 to 24/08/17. Timezone: UTC+2.00