Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waning Crescent 38%

00:18

16:56

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 OK
16 Good
17 OK
18 Bad
19 OK
20 OK
21 OK
22 Bad
23 Bad

Sun - Rise: 07:30, Set: 19:38, Transit: 13:34. Moon - Rise: 00:18, Set: 16:56. Civil Dark: 20:11 - 06:57. Nautical Dark: 20:49 - 06:19. Astro Dark: 21:29 - 05:39

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
100
100
100
100
100
99
88
52
88
47
9
45
69
37
41
48
100
95

Low Clouds (% Sky Obscured)

1
2
20
20
5
13
4
4
27
49
86
56
43
41
88
45
9
41
27
16
0
0
0
6

Medium Clouds (% Sky Obscured)

91
98
86
32
20
2
0
0
5
12
8
22
17
21
9
11
2
32
67
36
41
18
2
13

High Clouds (% Sky Obscured)

99
100
98
100
100
100
100
100
100
100
99
98
78
16
0
0
0
6
0
0
2
37
100
95

ISS Passover

Visibility (miles)

7
7
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

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

Precipitation Probability (%)

28
19
12
11
13
13
12
10
8
0
0
0
0
6
6
3
2
2
0
0
0
0
0
1

Precipitation Amount (mm)

0.12
0.06
0.03
0.02
0.03
0.03
0.02
0.01
0.01
0
0
0
0
0.03
0.05
0.03
0.01
0.01
0
0
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
12
11
11
11
11
10
10
10
11
11
11
11
11
11
10
9
9
9
9
9
9
9

Relative Humidity (%)

89
87
80
77
79
81
82
83
82
81
78
73
71
70
66
60
53
47
47
51
56
61
67
70

Pressure (mb)

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

Ozone (du)

276
278
280
281
282
283
285
288
290
291
292
293
297
301
302
296
287
280
277
277
277
277
278
278

Tuesday 24

Waning Crescent 27%

01:20

17:44

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:31, Set: 19:36, Transit: 13:34. Moon - Rise: 01:20, Set: 17:44. Civil Dark: 20:08 - 06:59. Nautical Dark: 20:47 - 06:21. Astro Dark: 21:26 - 05:41

Total Clouds (% Sky Obscured)

99
100
97
96
73
72
100
100
100
100
100
96
100
100
98
98
99
100
64
81
98
84
69
96

Low Clouds (% Sky Obscured)

18
0
1
0
0
1
0
0
0
0
6
0
5
0
0
3
98
91
48
60
59
48
9
1

Medium Clouds (% Sky Obscured)

93
100
94
96
73
65
83
77
79
26
31
42
92
95
71
91
93
100
48
48
92
63
33
20

High Clouds (% Sky Obscured)

98
85
56
2
2
23
99
100
100
100
100
95
100
100
95
77
27
2
0
41
65
57
57
96

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
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
Very Light Rain
Very Light Rain
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

1
2
2
0
0
0
0
0
4
6
11
22
54
68
74
74
64
50
50
55
51
42
32
22

Precipitation Amount (mm)

0.01
0.01
0.01
0
0
0
0
0
0.01
0.02
0.05
0.14
0.6
1.61
2.28
1.55
0.58
0.26
0.27
0.32
0.34
0.25
0.14
0.09

Wind Speed/Direction (mph)

10
11
11
12
12
12
12
12
12
13
14
15
16
17
17
18
18
18
16
13
11
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
9
9
9
9
9
10
10
10
10
11
11
11
11
11
11
11
11
11
10
10

Relative Humidity (%)

70
70
69
68
67
68
68
70
70
68
63
61
64
72
77
78
76
75
72
72
75
75
76
77

Pressure (mb)

1016
1016
1015
1015
1013
1012
1012
1012
1012
1011
1010
1010
1009
1008
1008
1007
1006
1006
1006
1006
1006
1006
1007
1007

Ozone (du)

276
274
272
271
272
272
273
274
275
276
277
278
279
279
280
283
286
287
287
286
285
285
284
283

Wednesday 25

Waning Crescent 17%

02:33

18:24

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:33, Set: 19:34, Transit: 13:33. Moon - Rise: 02:33, Set: 18:24. Civil Dark: 20:06 - 07:01. Nautical Dark: 20:44 - 06:22. Astro Dark: 21:24 - 05:43

Total Clouds (% Sky Obscured)

100
91
97
99
99
96
93
98
100
100
100
100
99
100
88
99
100
100
98
90
100
100
100
100

Low Clouds (% Sky Obscured)

2
30
20
2
0
4
20
3
0
55
76
46
99
100
66
95
100
32
56
75
100
100
100
100

Medium Clouds (% Sky Obscured)

99
91
97
96
98
81
91
95
99
99
89
94
58
50
62
95
100
100
97
82
81
81
81
81

High Clouds (% Sky Obscured)

89
13
27
91
88
88
12
84
93
98
99
99
82
49
41
95
45
35
34
20
1
1
1
1

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
7
5
6
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
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
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 (%)

15
14
19
27
39
52
60
62
55
48
44
41
42
38
33
28
30
32
29
25
24
17
13
13

Precipitation Amount (mm)

0.05
0.04
0.06
0.13
0.26
0.37
0.41
0.47
0.48
0.31
0.18
0.2
0.27
0.36
0.42
0.41
0.36
0.3
0.25
0.21
0.17
0.12
0.1
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
10
10
10
9
9
9
9
9
10
10
10
10
11
10
10
10
10
10
10
10

Relative Humidity (%)

78
78
78
78
79
79
79
80
81
81
80
77
76
73
70
69
68
68
66
67
69
72
74
77

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009

Ozone (du)

281
280
279
279
281
283
284
286
287
287
286
285
285
285
286
285
284
284
283
282
282
281
281
281

Thursday 26

Waning Crescent 9%

03:53

18:57

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:34, Set: 19:32, Transit: 13:33. Moon - Rise: 03:53, Set: 18:57. Civil Dark: 20:04 - 07:02. Nautical Dark: 20:42 - 06:24. Astro Dark: 21:21 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
82
82
82
82
82
82
98
98
98
98
98
98
66
66
66
66

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
81
81
81
81
81
81
91
91
91
91
91
91
63
63
63
63

Medium Clouds (% Sky Obscured)

81
81
34
34
34
34
34
34
20
20
20
20
20
20
91
91
91
91
91
91
11
11
11
11

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
4
4
4
4
4
4
72
72
72
72
72
72
7
7
7
7

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

Precipitation Probability (%)

11
9
11
21
34
40
48
53
54
47
31
17
8
5
4
4
4
5
5
5
6
9
8
6

Precipitation Amount (mm)

0.06
0.03
0.04
0.05
0.16
0.29
0.28
0.34
0.42
0.26
0.08
0.02
0.01
0.02
0.03
0.03
0.03
0.03
0.02
0.02
0.02
0.02
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
79
79
79
79
80
81
82
80
77
74
71
67
62
60
59
60
60
62
64
66
67
68

Pressure (mb)

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

Ozone (du)

280
278
276
273
271
268
266
265
264
264
265
265
264
264
264
265
267
268
270
271
273
276
279
281

Friday 27

Waning Crescent 3%

05:18

19:25

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
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK

Sun - Rise: 07:36, Set: 19:29, Transit: 13:33. Moon - Rise: 05:18, Set: 19:25. Civil Dark: 20:02 - 07:04. Nautical Dark: 20:40 - 06:26. Astro Dark: 21:19 - 05:46

Total Clouds (% Sky Obscured)

66
66
61
61
61
61
61
61
100
100
100
100
100
100
99
99
99
99
99
99
38
38
38
38

Low Clouds (% Sky Obscured)

63
63
18
18
18
18
18
18
100
100
100
100
100
100
24
24
24
24
24
24
16
16
16
16

Medium Clouds (% Sky Obscured)

11
11
10
10
10
10
10
10
100
100
100
100
100
100
26
26
26
26
26
26
34
34
34
34

High Clouds (% Sky Obscured)

7
7
50
50
50
50
50
50
96
96
96
96
96
96
98
98
98
98
98
98
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

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

Precipitation Probability (%)

6
5
5
10
20
27
27
26
18
14
10
8
8
8
9
15
24
26
23
15
10
8
8
7

Precipitation Amount (mm)

0.02
0.02
0.03
0.08
0.19
0.28
0.26
0.21
0.17
0.13
0.09
0.07
0.07
0.07
0.09
0.15
0.32
0.42
0.28
0.1
0.04
0.02
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
73
75
76
76
78
79
79
76
74
70
67
63
59
60
63
64
64
63
64
65
66
67

Pressure (mb)

1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015

Ozone (du)

282
282
283
284
285
287
288
290
293
298
304
309
310
311
311
310
310
309
310
310
310
308
306
305

Saturday 28

New Moon 0%

06:43

19:50

00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 OK
07 OK
08 Bad
09 Bad
10 Bad
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

Sun - Rise: 07:38, Set: 19:27, Transit: 13:32. Moon - Rise: 06:43, Set: 19:50. Civil Dark: 19:59 - 07:05. Nautical Dark: 20:38 - 06:27. Astro Dark: 21:17 - 05:48

Total Clouds (% Sky Obscured)

38
38
34
34
34
34
34
34
73
73
73
73
73
73
99
99
99
99
99
99
97
97
97
97

Low Clouds (% Sky Obscured)

16
16
6
6
6
6
6
6
3
3
3
3
3
3
39
39
39
39
39
39
13
13
13
13

Medium Clouds (% Sky Obscured)

34
34
32
32
32
32
32
32
38
38
38
38
38
38
75
75
75
75
75
75
97
97
97
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
58
58
58
58
58
58
99
99
99
99
99
99
13
13
13
13

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
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 (%)

6
10
10
13
15
17
15
8
0
0
0
6
6
7
8
11
21
26
24
26
27
23
17
17

Precipitation Amount (mm)

0.02
0.01
0.01
0.02
0.06
0.08
0.05
0.01
0
0
0
0.01
0.01
0.01
0.01
0.03
0.08
0.13
0.13
0.11
0.11
0.11
0.11
0.11

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
8
8
7
7
7
7
7
8
8
9
9
9
9
9
9
9
8
8
8
8
7
7

Relative Humidity (%)

69
70
72
73
75
75
76
76
74
71
70
68
65
61
59
61
63
65
65
63
63
64
65
66

Pressure (mb)

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

Ozone (du)

306
308
310
310
310
310
310
311
312
312
312
311
310
308
306
304
301
299
298
298
298
297
297
297

Sunday 29

Waxing Crescent 1%

08:09

20:14

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:39, Set: 19:25, Transit: 13:32. Moon - Rise: 08:09, Set: 20:14. Civil Dark: 19:57 - 07:07. Nautical Dark: 20:35 - 06:29. Astro Dark: 21:14 - 05:50

Total Clouds (% Sky Obscured)

97
97
98
98
98
98
98
98
100
100
100
100
100
100
98
98
98
98
98
98
96
96
96
96

Low Clouds (% Sky Obscured)

13
13
2
2
2
2
2
2
13
13
13
13
13
13
91
91
91
91
91
91
81
81
81
81

Medium Clouds (% Sky Obscured)

97
97
97
97
97
97
97
97
99
99
99
99
99
99
89
89
89
89
89
89
45
45
45
45

High Clouds (% Sky Obscured)

13
13
75
75
75
75
75
75
99
99
99
99
99
99
3
3
3
3
3
3
88
88
88
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
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

16
16
15
10
7
7
13
30
39
37
29
25
26
26
26
41
62
66
69
65
55
52
52
44

Precipitation Amount (mm)

0.11
0.1
0.09
0.07
0.05
0.04
0.08
0.19
0.27
0.21
0.12
0.08
0.07
0.07
0.08
0.22
0.67
1.08
0.95
0.58
0.38
0.38
0.46
0.5

Wind Speed/Direction (mph)

10
10
10
10
10
10
10
11
11
11
11
11
11
11
11
11
10
9
10
11
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
70
71
72
73
73
74
76
75
72
71
70
72
71
69
69
69
69
68
67
66
67
69
72

Pressure (mb)

1018
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1014
1013
1013
1012
1011
1010
1010
1010
1010
1010
1010

Ozone (du)

296
296
296
296
296
297
297
298
300
301
303
305
306
307
308
311
314
316
317
317
318
318
318
318

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

Generated: 23/09/19 00:37:24. Forecast: 23/09/19 to 29/09/19. Timezone: UTC+2.00