Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waxing Crescent 46%

15:15

23:12

11 Bad
12 OK
13 Bad
14 Bad
15 OK
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 OK
05 OK
06 OK
07 OK
08 Good
09 Good
10 Good

Sun - Rise: 07:33, Set: 19:37, Transit: 13:34. Moon - Rise: 15:15, Set: 23:12. Civil Dark: 20:10 - 07:00. Nautical Dark: 20:48 - 06:22. Astro Dark: 21:28 - 05:42

Total Clouds (% Sky Obscured)

68
33
44
65
39
84
98
98
99
79
91
99
91
100
95
41
2
6
11
18
23
8
4
1

Low Clouds (% Sky Obscured)

7
23
16
10
10
12
1
6
19
47
17
3
28
83
88
15
2
6
11
18
23
7
3
0

Medium Clouds (% Sky Obscured)

2
22
26
19
38
38
81
55
91
73
88
98
84
100
88
40
2
1
2
1
2
5
2
1

High Clouds (% Sky Obscured)

64
1
26
57
2
77
95
97
97
36
64
88
32
90
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
9
8
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
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

4
4
4
4
4
3
0
4
13
26
53
70
69
64
51
43
26
16
4
3
0
0
0
0

Precipitation Amount (mm)

0.01
0.01
0.02
0.03
0.02
0.01
0
0.01
0.06
0.14
0.45
1.42
2.18
1.63
1.03
0.91
0.49
0.09
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
21
22
22
23
23
22
19
17
16
16
16
15
14
13
12
12
11
11
10
10
11
12

Feels Like (°C)

19
20
21
22
22
23
23
22
19
17
17
17
16
15
14
13
12
12
11
11
10
10
11
12

Dew Point (°C)

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

Relative Humidity (%)

76
72
69
64
59
54
53
61
75
88
94
94
93
91
88
86
86
87
88
90
93
94
90
83

Pressure (mb)

1006
1006
1005
1005
1004
1004
1003
1003
1002
1002
1001
1001
1000
1001
1001
1002
1003
1003
1004
1004
1004
1004
1005
1005

Ozone (du)

278
276
275
274
274
275
277
279
283
285
287
287
288
289
290
291
292
292
292
292
292
292
292
291

Thursday 24

First Quarter 57%

16:20

00:04

11 Good
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 OK
07 OK
08 OK
09 OK
10 Bad

Sun - Rise: 07:34, Set: 19:35, Transit: 13:34. Moon - Rise: 16:20, Set: 00:04. Civil Dark: 20:07 - 07:02. Nautical Dark: 20:46 - 06:23. Astro Dark: 21:26 - 05:44

Total Clouds (% Sky Obscured)

9
51
73
99
100
100
100
100
98
91
100
88
100
100
100
99
98
45
82
6
6
10
1
29

Low Clouds (% Sky Obscured)

1
11
39
35
39
72
75
73
27
0
2
2
63
88
71
12
23
8
7
6
5
2
1
28

Medium Clouds (% Sky Obscured)

9
40
62
99
99
100
100
100
98
91
100
70
100
100
100
98
93
2
4
3
3
2
0
0

High Clouds (% Sky Obscured)

0
22
38
75
79
77
88
67
37
2
64
76
99
66
99
98
96
41
81
0
0
9
0
2

ISS Passover

Visibility (miles)

10
10
10
10
10
9
7
9
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
Very Light Rain
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

4
0
0
0
9
20
38
47
55
56
58
57
51
36
24
21
22
23
27
27
26
27
29
35

Precipitation Amount (mm)

0.01
0
0
0
0.01
0.07
0.17
0.37
0.68
0.87
0.69
0.5
0.46
0.33
0.18
0.11
0.07
0.05
0.04
0.04
0.1
0.18
0.21
0.23

Wind Speed/Direction (mph)

19
20
20
20
19
18
16
14
12
11
12
14
16
18
20
21
21
19
18
17
15
14
14
13

Chance of Frost

Temperature (°C)

14
16
17
18
17
15
14
13
13
13
13
13
12
11
10
9
9
8
8
8
7
8
8
9

Feels Like (°C)

14
16
17
18
17
15
14
13
13
13
13
13
12
11
10
5
5
4
4
4
4
4
5
6

Dew Point (°C)

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

Relative Humidity (%)

76
68
61
58
65
77
88
94
94
93
92
91
89
88
87
87
87
88
89
91
95
98
99
97

Pressure (mb)

1004
1004
1003
1002
1002
1002
1001
1001
1000
999
998
998
997
997
997
997
997
997
997
997
997
998
998
998

Ozone (du)

291
290
289
289
290
291
293
294
296
298
299
299
302
307
315
321
323
324
324
325
324
325
326
327

Friday 25

Waxing Gibbous 68%

17:13

01:06

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: 07:36, Set: 19:32, Transit: 13:33. Moon - Rise: 17:13, Set: 01:06. Civil Dark: 20:05 - 07:03. Nautical Dark: 20:44 - 06:25. Astro Dark: 21:23 - 05:45

Total Clouds (% Sky Obscured)

49
40
41
42
43
32
56
70
95
98
100
99
95
85
95
93
93
93
93
93
93
39
39
39

Low Clouds (% Sky Obscured)

28
31
38
34
31
20
45
49
76
93
100
63
88
27
33
46
46
46
46
46
46
35
35
35

Medium Clouds (% Sky Obscured)

13
13
16
30
38
25
38
34
88
90
99
96
74
83
47
38
38
38
38
38
38
12
12
12

High Clouds (% Sky Obscured)

33
12
0
0
0
0
2
46
61
88
95
91
6
0
91
90
90
90
90
90
90
0
0
0

ISS Passover

Visibility (miles)

10
10
10
9
8
7
7
7
8
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
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

42
38
31
31
34
42
50
55
57
57
53
40
24
20
19
21
26
40
60
61
59
57
50
40

Precipitation Amount (mm)

0.22
0.14
0.12
0.17
0.22
0.28
0.36
0.44
0.5
0.53
0.46
0.35
0.27
0.19
0.16
0.19
0.27
0.43
0.56
0.61
0.6
0.55
0.44
0.29

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
13
14
14
14
13
12
12
11
11
11
10
6
6
6
6
6
6
5
4
4
5
6

Dew Point (°C)

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

Relative Humidity (%)

92
85
76
72
72
76
80
82
84
85
84
81
79
78
79
81
84
87
90
92
94
95
92
86

Pressure (mb)

999
999
999
1000
1001
1001
1002
1002
1003
1004
1005
1006
1007
1007
1008
1009
1009
1009
1010
1010
1011
1011
1012
1012

Ozone (du)

328
329
329
329
328
326
325
324
324
324
325
326
328
329
330
330
327
322
319
317
315
314
312
311

Saturday 26

Waxing Gibbous 77%

17:53

02:14

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: 07:38, Set: 19:30, Transit: 13:33. Moon - Rise: 17:53, Set: 02:14. Civil Dark: 20:03 - 07:05. Nautical Dark: 20:41 - 06:27. Astro Dark: 21:21 - 05:47

Total Clouds (% Sky Obscured)

39
39
39
43
43
43
43
43
43
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
35
35
20
20
20
20
20
20
100
100
100
100
100
100
31
31
31
31
31
31
100
100
100

Medium Clouds (% Sky Obscured)

12
12
12
38
38
38
38
38
38
93
93
93
93
93
93
100
100
100
100
100
100
99
99
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
97
97
97
97
97
97
100
100
100
100
100
100
61
61
61

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
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

29
21
14
11
8
7
6
7
9
13
18
24
36
40
33
24
26
30
32
33
32
30
28
26

Precipitation Amount (mm)

0.18
0.11
0.07
0.06
0.05
0.04
0.03
0.03
0.09
0.28
0.86
2.01
2.78
2.05
0.9
0.35
0.29
0.37
0.48
0.6
0.78
0.88
0.76
0.62

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
11
11
11
11
11
10
7
6
6
6
6
6
6
6
5
5
5
5
5
5
6
7

Dew Point (°C)

7
7
6
6
5
5
4
4
5
5
5
5
5
5
5
5
6
6
6
6
6
6
7
8

Relative Humidity (%)

80
76
73
69
66
63
63
66
71
74
76
77
78
79
80
82
85
86
88
89
89
91
90
88

Pressure (mb)

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

Ozone (du)

309
307
305
302
299
295
293
292
292
292
292
292
291
289
287
285
285
285
285
284
283
282
283
284

Sunday 27

Waxing Gibbous 85%

18:24

03:24

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: 07:39, Set: 19:28, Transit: 13:33. Moon - Rise: 18:24, Set: 03:24. Civil Dark: 20:01 - 07:07. Nautical Dark: 20:39 - 06:28. Astro Dark: 21:19 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
95
95
95
95
95
95
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
53
53
53
53
53
53
6
6
6
6
6
6
76
76
76

Medium Clouds (% Sky Obscured)

99
99
99
9
9
9
9
9
9
13
13
13
13
13
13
16
16
16
16
16
16
100
100
100

High Clouds (% Sky Obscured)

61
61
61
100
100
100
100
100
100
97
97
97
97
97
97
94
94
94
94
94
94
98
98
98

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

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

Precipitation Probability (%)

25
25
27
23
17
14
7
5
5
6
7
8
8
8
7
6
15
25
25
25
28
33
30
28

Precipitation Amount (mm)

0.6
0.75
1.05
1.15
0.69
0.21
0.05
0.02
0.01
0.02
0.05
0.1
0.13
0.08
0.03
0.02
0.07
0.24
0.43
0.46
0.4
0.35
0.34
0.33

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
11
12
13
14
14
14
13
12
11
10
10
9
9
9
9
9
9
10
10
10
11
12
13

Feels Like (°C)

10
11
12
13
14
14
14
13
12
11
10
7
7
6
7
7
7
8
8
10
10
11
12
13

Dew Point (°C)

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

Relative Humidity (%)

85
80
77
72
68
66
67
72
77
79
80
78
78
80
82
85
87
89
90
92
94
97
96
92

Pressure (mb)

1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1008
1009

Ozone (du)

285
284
283
283
283
284
284
284
282
283
285
289
294
299
304
306
301
293
286
282
279
277
277
277

Monday 28

Waxing Gibbous 92%

18:49

04:34

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: 07:41, Set: 19:26, Transit: 13:32. Moon - Rise: 18:49, Set: 04:34. Civil Dark: 19:58 - 07:08. Nautical Dark: 20:37 - 06:30. Astro Dark: 21:16 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
29
29
29
29
29
29
99
99
99

Low Clouds (% Sky Obscured)

76
76
76
100
100
100
100
100
100
100
100
100
100
100
100
24
24
24
24
24
24
98
98
98

Medium Clouds (% Sky Obscured)

100
100
100
54
54
54
54
54
54
16
16
16
16
16
16
9
9
9
9
9
9
91
91
91

High Clouds (% Sky Obscured)

98
98
98
0
0
0
0
0
0
72
72
72
72
72
72
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

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

Precipitation Probability (%)

30
32
31
25
23
21
23
23
24
28
31
36
39
37
32
30
27
23
22
21
19
15
13
17

Precipitation Amount (mm)

0.33
0.36
0.41
0.48
0.62
0.8
0.91
0.82
0.65
0.54
0.55
0.6
0.59
0.46
0.3
0.2
0.13
0.11
0.11
0.08
0.05
0.04
0.05
0.09

Wind Speed/Direction (mph)

13
14
14
14
14
14
14
13
12
11
11
11
11
11
12
12
12
12
11
11
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
84
80
76
74
74
75
78
81
84
86
86
87
88
89
91
91
92
92
94
96
99
100
100

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012

Ozone (du)

278
278
279
279
280
280
280
281
281
281
281
280
280
281
282
282
282
281
281
281
281
282
282
283

Tuesday 29

Waxing Gibbous 96%

19:09

05:44

11 Bad
12 Bad
13 Bad
14 OK
15 OK
16 Bad
17 Bad
18 OK
19 OK
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: 07:42, Set: 19:23, Transit: 13:32. Moon - Rise: 19:09, Set: 05:44. Civil Dark: 19:56 - 07:10. Nautical Dark: 20:34 - 06:31. Astro Dark: 21:14 - 05:52

Total Clouds (% Sky Obscured)

99
99
99
41
41
41
41
41
41
56
56
56
56
56
56
99
99
99
99
99
99
100
100
100

Low Clouds (% Sky Obscured)

98
98
98
41
41
41
41
41
41
36
36
36
36
36
36
19
19
19
19
19
19
42
42
42

Medium Clouds (% Sky Obscured)

91
91
91
5
5
5
5
5
5
42
42
42
42
42
42
93
93
93
93
93
93
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
18
18
18
18
18
18
97
97
97
97
97
97
52
52
52

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

Precipitation Probability (%)

19
16
13
12
12
9
10
11
11
10
7
3
0
0
0
7
6
0
0
10
16
17
13
9

Precipitation Amount (mm)

0.12
0.12
0.14
0.14
0.1
0.06
0.05
0.05
0.06
0.07
0.03
0.01
0
0
0
0.01
0.01
0
0
0.02
0.06
0.09
0.07
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
94
88
83
77
70
67
70
74
78
81
83
83
84
85
86
88
88
89
90
91
93
91
85

Pressure (mb)

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

Ozone (du)

283
283
283
283
283
283
283
282
282
281
282
282
283
284
285
287
289
291
292
293
292
292
292
292

Forecast for De Brouckere, 1000 Brussels, Belgium (50.85,4.35)

Generated: 23/09/20 11:34:14. Forecast: 23/09/20 to 29/09/20. Timezone: UTC+2.00