Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Crescent 8%

03:40

18:34

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

Sun - Rise: 06:37, Set: 20:55, Transit: 13:45. Moon - Rise: 03:40, Set: 18:34. Civil Dark: 21:31 - 06:02. Nautical Dark: 22:16 - 05:17. Astro Dark: 23:08 - 04:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
40
59
60
57
33
7
6
7
10
13
20
23
41
43
37
48
57
48

Low Clouds (% Sky Obscured)

78
13
38
23
44
52
20
41
38
27
13
2
6
7
10
13
20
17
28
28
31
45
55
42

Medium Clouds (% Sky Obscured)

100
100
95
24
22
68
34
54
57
49
30
6
1
0
0
0
1
16
34
38
25
17
23
32

High Clouds (% Sky Obscured)

100
100
100
100
100
85
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

Precipitation Type

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

Precipitation Probability (%)

46
53
55
47
33
13
7
6
5
2
0
0
0
0
0
0
0
0
0
0
0
2
7
10

Precipitation Amount (mm)

0.49
0.6
0.63
0.47
0.26
0.14
0.1
0.1
0.1
0.05
0
0
0
0
0
0
0
0
0
0
0
0.06
0.13
0.17

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
16
17
18
19
19
18
17
16
15
15
14
14
14
14
13
13
12
12
12
13
14
15

Feels Like (°C)

17
17
17
17
18
19
19
18
17
16
15
15
14
14
14
14
13
13
12
12
12
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

95
94
92
87
81
76
74
74
76
76
75
75
76
77
77
78
79
81
84
86
86
85
84
83

Pressure (mb)

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

Ozone (du)

306
309
312
317
322
326
327
326
327
334
342
348
347
343
341
340
341
341
341
340
340
340
339
339

Saturday 19

Waning Crescent 7%

04:49

19:26

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

Sun - Rise: 06:39, Set: 20:53, Transit: 13:45. Moon - Rise: 04:49, Set: 19:26. Civil Dark: 21:29 - 06:04. Nautical Dark: 22:13 - 05:19. Astro Dark: 23:05 - 04:28

Total Clouds (% Sky Obscured)

59
44
48
66
41
51
44
34
21
21
19
13
12
12
11
36
38
34
14
43
72
88
93
70

Low Clouds (% Sky Obscured)

35
19
16
24
14
15
17
13
11
16
10
6
3
5
3
12
12
11
11
10
3
5
12
55

Medium Clouds (% Sky Obscured)

54
43
47
66
39
50
43
33
19
18
17
11
10
9
9
34
37
31
9
0
0
0
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
37
71
88
92
33

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 (%)

4
1
2
2
3
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.11
0.06
0.07
0.09
0.1
0.1
0.08
0.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
16
17
18
19
19
18
17
16
16
15
14
14
14
13
13
13
12
12
12
13
15
16

Feels Like (°C)

15
16
16
17
18
19
19
18
17
16
16
15
14
14
14
13
13
13
12
12
12
13
15
16

Dew Point (°C)

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

Relative Humidity (%)

82
81
78
74
68
64
63
65
68
70
72
74
76
78
80
81
82
83
85
87
85
81
75
71

Pressure (mb)

1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1024
1024

Ozone (du)

339
339
339
340
340
341
341
341
340
337
333
330
327
326
325
324
323
322
320
317
315
314
312
310

Sunday 20

Waning Crescent 2%

06:03

20:10

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
11 Bad

Sun - Rise: 06:41, Set: 20:51, Transit: 13:45. Moon - Rise: 06:03, Set: 20:10. Civil Dark: 21:26 - 06:05. Nautical Dark: 22:11 - 05:21. Astro Dark: 23:02 - 04:31

Total Clouds (% Sky Obscured)

66
100
99
87
92
99
99
52
84
98
95
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

66
100
98
81
89
99
98
47
25
36
23
6
4
2
0
0
0
0
15
66
100
100
100
100

Medium Clouds (% Sky Obscured)

1
1
70
55
74
74
48
20
84
98
95
99
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
19
17
22
0
33
6
0
0
0
2
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
7
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.05
0.08
0.14
0.18

Wind Speed/Direction (mph)

11
11
11
11
11
10
9
8
6
5
4
4
3
3
3
3
3
3
3
4
4
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
10
11
11
11
11
11
11
11
10
10
10
10
10
9
9
9
9
10
10
11
12
12

Relative Humidity (%)

68
66
64
62
61
59
60
62
65
68
71
73
73
72
71
70
70
71
74
77
78
77
76
76

Pressure (mb)

1024
1024
1024
1024
1023
1023
1023
1024
1024
1024
1024
1024
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023

Ozone (du)

308
306
303
302
300
299
297
295
293
292
291
290
289
288
287
287
287
287
288
288
288
288
287
286

Monday 21

New Moon 0%

07:17

20:46

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
11 Bad

Sun - Rise: 06:42, Set: 20:49, Transit: 13:45. Moon - Rise: 07:17, Set: 20:46. Civil Dark: 21:24 - 06:07. Nautical Dark: 22:08 - 05:23. Astro Dark: 22:59 - 04:33

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
93
93
93
93
93
93
73
73
73
73
73
73
24
24
24
24
24
24
31
31
31
31

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

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
None

Precipitation Probability (%)

8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.19
0.18
0.16
0.14
0.13
0.1
0.07
0.03
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
78
76
74
71
72
74
77
78
78
78
77
76
75
74
74
75
77
81
84
83
81
79

Pressure (mb)

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

Ozone (du)

286
286
285
285
284
284
284
284
284
283
283
282
282
282
282
281
281
281
281
281
281
281
282
282

Tuesday 22

Waxing Crescent 1%

08:31

21:17

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 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good

Sun - Rise: 06:44, Set: 20:47, Transit: 13:44. Moon - Rise: 08:31, Set: 21:17. Civil Dark: 21:22 - 06:09. Nautical Dark: 22:06 - 05:25. Astro Dark: 22:55 - 04:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
1
1
1
1
1
1
0
0
0
0

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
1
1
1
1
1
1
0
0
0
0

Medium Clouds (% Sky Obscured)

31
31
79
79
79
79
79
79
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
1
1
1
1
1
13
13
13
13
13
13
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
1
2
4
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.04
0.06
0.11
0.14

Wind Speed/Direction (mph)

4
4
4
4
4
5
4
4
4
5
5
5
6
7
7
6
5
5
5
5
5
5
6
7

Chance of Frost

Temperature (°C)

21
21
22
23
24
25
25
25
24
22
20
19
19
19
19
19
18
18
18
17
17
18
20
21

Feels Like (°C)

21
22
22
23
24
25
26
25
24
22
20
19
19
19
19
19
18
18
18
17
17
18
20
21

Dew Point (°C)

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

Relative Humidity (%)

78
78
76
72
66
63
63
66
70
75
80
83
81
78
76
76
76
76
78
82
84
83
81
79

Pressure (mb)

1019
1019
1018
1017
1017
1016
1016
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1012
1012
1011
1011
1012
1012

Ozone (du)

283
283
284
284
283
283
283
283
283
283
283
284
284
284
284
285
285
286
287
287
288
289
290
291

Wednesday 23

Waxing Crescent 4%

09:42

21:44

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

Sun - Rise: 06:45, Set: 20:45, Transit: 13:44. Moon - Rise: 09:42, Set: 21:44. Civil Dark: 21:20 - 06:10. Nautical Dark: 22:03 - 05:27. Astro Dark: 22:53 - 04:38

Total Clouds (% Sky Obscured)

0
0
97
97
97
97
97
97
64
64
64
64
64
64
5
5
5
5
5
5
7
7
7
7

Low Clouds (% Sky Obscured)

0
0
2
2
2
2
2
2
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
97
97
97
97
97
97
64
64
64
64
64
64
5
5
5
5
5
5
7
7
7
7

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

Precipitation Probability (%)

2
1
0
3
7
8
9
9
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.09
0.04
0
0.12
0.38
0.6
0.49
0.26
0.11
0.04
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
23
24
25
25
25
25
23
22
20
19
18
17
16
16
15
15
15
14
14
14
14
15
15

Feels Like (°C)

23
24
24
25
26
26
25
23
22
20
19
18
17
16
16
15
15
15
14
14
14
14
15
15

Dew Point (°C)

18
19
19
19
19
18
17
16
14
12
11
10
10
11
11
12
12
12
12
12
12
12
13
13

Relative Humidity (%)

77
75
73
71
68
65
63
63
63
62
60
60
63
70
75
77
79
81
85
88
90
90
88
86

Pressure (mb)

1012
1011
1011
1011
1011
1012
1012
1012
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

292
292
293
294
294
294
293
291
290
290
290
291
293
295
296
296
295
295
295
295
296
297
298
300

Thursday 24

Waxing Crescent 9%

10:52

22:09

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

Sun - Rise: 06:47, Set: 20:43, Transit: 13:44. Moon - Rise: 10:52, Set: 22:09. Civil Dark: 21:18 - 06:12. Nautical Dark: 22:01 - 05:29. Astro Dark: 22:50 - 04:41

Total Clouds (% Sky Obscured)

7
7
40
40
40
40
40
40
45
45
45
45
45
45
3
3
3
3
3
3
9
9
9
9

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
2
2
2
2
2
0
0
0
0
0
0
9
9
9
9

High Clouds (% Sky Obscured)

7
7
40
40
40
40
40
40
44
44
44
44
44
44
3
3
3
3
3
3
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 (%)

1
1
1
2
2
2
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0.03
0.04
0.05
0.07
0.08
0.09
0.08
0.07
0.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.03

Wind Speed/Direction (mph)

10
11
11
11
12
11
9
7
6
5
5
4
4
3
3
4
4
4
4
4
4
3
4
5

Chance of Frost

Temperature (°C)

16
17
18
19
20
21
22
21
20
19
18
17
16
16
16
16
16
15
15
14
15
16
17
18

Feels Like (°C)

16
17
18
19
20
21
22
21
20
19
18
17
16
16
16
16
16
15
15
14
15
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

83
78
74
70
66
62
62
65
68
71
73
74
74
73
72
72
71
71
74
77
78
79
78
77

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1017
1017
1017
1017
1018

Ozone (du)

300
301
301
301
301
300
301
301
301
301
300
300
299
299
298
299
300
302
303
305
306
307
306
306

Forecast for Charleroi, Hainaut, BE (50.41,4.44)

Generated: 18/08/17 12:32:44. Forecast: 18/08/17 to 24/08/17. Timezone: UTC+2.00