Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 9

Waning Crescent 8%

02:41

19:34

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

Sun - Rise: 06:23, Set: 21:14, Transit: 13:48. Moon - Rise: 02:41, Set: 19:34. Civil Dark: 21:52 - 05:45. Nautical Dark: 22:41 - 04:56. Astro Dark: 23:41 - 03:57

Total Clouds (% Sky Obscured)

76
77
89
100
88
69
43
23
13
17
17
13
58
68
71
22
2
5
12
17
46
27
44
43

Low Clouds (% Sky Obscured)

54
70
63
70
50
1
1
0
0
0
0
0
0
11
8
22
0
0
0
0
15
8
14
13

Medium Clouds (% Sky Obscured)

76
77
86
93
61
69
8
22
12
15
13
10
0
0
3
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

56
77
79
100
50
63
43
0
0
0
0
0
48
57
61
1
2
5
11
17
27
15
24
21

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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 (%)

31
51
64
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
7
7
7
6
5
5
2
4
5
4
5
5
6
7
7
7
7
7
8
8
9
10
11

Chance of Frost

Temperature (°C)

29
29
29
29
29
29
29
29
26
24
22
21
21
20
19
18
18
17
17
18
20
22
24
26

Feels Like (°C)

26
25
26
27
27
28
28
29
26
24
23
22
20
20
19
18
16
17
17
17
20
20
22
23

Dew Point (°C)

3
6
10
10
11
10
10
11
10
9
9
8
7
7
8
9
9
10
11
11
13
11
9
10

Relative Humidity (%)

18
23
30
30
32
31
29
32
36
39
42
43
42
43
48
54
57
64
68
64
66
49
39
37

Pressure (mb)

1014
1015
1014
1014
1014
1013
1013
1013
1012
1013
1013
1013
1013
1014
1013
1013
1013
1014
1014
1015
1016
1016
1017
1017

Ozone (du)

313
317
322
325
329
330
328
327
324
324
319
316
315
313
313
313
313
311
310
308
307
307
307
307

Monday 10

Waning Crescent 2%

04:08

20:18

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

Sun - Rise: 06:24, Set: 21:12, Transit: 13:47. Moon - Rise: 04:08, Set: 20:18. Civil Dark: 21:50 - 05:47. Nautical Dark: 22:38 - 04:59. Astro Dark: 23:38 - 04:00

Total Clouds (% Sky Obscured)

5
13
13
26
20
3
5
49
91
100
92
88
69
35
9
48
29
46
43
8
17
2
5
9

Low Clouds (% Sky Obscured)

2
6
6
16
13
0
2
0
0
0
0
0
0
0
0
0
20
37
37
0
0
0
1
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)

2
2
2
2
2
3
2
49
91
100
92
88
69
35
7
43
5
2
2
7
15
2
3
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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)

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

Chance of Frost

Temperature (°C)

27
28
28
28
27
26
25
23
21
19
18
18
17
16
15
14
14
13
13
14
16
18
20
22

Feels Like (°C)

25
27
26
26
25
24
23
21
19
17
16
16
15
14
13
14
14
13
13
13
14
17
18
20

Dew Point (°C)

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

Relative Humidity (%)

36
32
31
34
35
37
42
52
61
64
68
69
66
68
70
78
82
82
83
74
65
54
44
33

Pressure (mb)

1017
1018
1018
1018
1018
1018
1019
1019
1020
1020
1021
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024

Ozone (du)

306
305
305
305
306
307
306
305
304
304
303
303
303
304
304
303
302
303
303
304
305
306
306
307

Tuesday 11

Waning Crescent 2%

05:40

20:48

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

Sun - Rise: 06:26, Set: 21:10, Transit: 13:47. Moon - Rise: 05:40, Set: 20:48. Civil Dark: 21:48 - 05:49. Nautical Dark: 22:36 - 05:01. Astro Dark: 23:35 - 04:03

Total Clouds (% Sky Obscured)

6
2
2
2
2
1
2
0
0
0
0
0
0
2
22
29
1
2
21
15
4
6
3
3

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
2
2
2
2
1
2
0
0
0
0
0
0
2
18
26
1
2
21
14
3
6
3
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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)

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

Chance of Frost

Temperature (°C)

24
25
26
27
27
27
26
25
23
21
20
19
18
17
16
16
15
15
15
16
19
22
25
27

Feels Like (°C)

21
23
24
24
24
24
23
23
20
19
17
17
16
15
14
14
14
13
13
13
16
20
22
25

Dew Point (°C)

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

Relative Humidity (%)

27
22
18
17
16
15
16
18
22
25
28
31
34
36
39
42
45
46
47
41
33
26
21
18

Pressure (mb)

1024
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1024
1024
1023
1023
1023
1023
1023
1023
1024
1024
1023
1023
1023

Ozone (du)

307
307
307
306
306
307
307
307
309
309
309
309
310
311
311
311
311
310
310
310
308
308
308
307

Wednesday 12

New Moon 0%

07:09

21:09

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

Sun - Rise: 06:27, Set: 21:08, Transit: 13:47. Moon - Rise: 07:09, Set: 21:09. Civil Dark: 21:46 - 05:50. Nautical Dark: 22:33 - 05:03. Astro Dark: 23:31 - 04:06

Total Clouds (% Sky Obscured)

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

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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
2
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)

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

Chance of Frost

Temperature (°C)

29
31
32
33
33
33
32
31
28
27
25
23
22
21
21
20
20
19
20
21
24
27
30
32

Feels Like (°C)

27
29
31
31
31
31
29
28
26
24
23
22
21
21
20
20
19
19
19
21
24
27
30
32

Dew Point (°C)

0
1
1
1
1
1
1
2
2
2
2
4
4
4
3
3
3
4
4
4
4
4
5
4

Relative Humidity (%)

15
14
13
13
12
13
13
15
18
20
23
28
31
32
32
33
34
35
36
33
27
22
19
16

Pressure (mb)

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

Ozone (du)

306
305
306
305
305
305
305
304
304
304
303
303
304
304
304
304
304
303
303
302
302
302
302
302

Thursday 13

Waxing Crescent 1%

08:34

21:25

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

Sun - Rise: 06:29, Set: 21:07, Transit: 13:47. Moon - Rise: 08:34, Set: 21:25. Civil Dark: 21:44 - 05:52. Nautical Dark: 22:31 - 05:05. Astro Dark: 23:28 - 04:09

Total Clouds (% Sky Obscured)

0
0
0
0
8
17
26
33
39
43
45
41
40
46
55
59
62
75
78
70
58
50
46
44

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
4
9
13
18
22
26
25
25
24
25
24
24
20
16
15
12
13
15
13
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
16
32
48
50
49
48
34
16
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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)

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

Chance of Frost

Temperature (°C)

34
35
36
37
37
37
36
35
31
29
27
26
26
25
24
24
24
24
24
24
26
29
31
32

Feels Like (°C)

33
35
35
36
36
36
35
34
30
27
25
24
24
23
23
23
23
22
22
21
24
24
25
26

Dew Point (°C)

3
3
2
2
2
1
1
2
3
3
3
4
5
4
4
4
4
4
4
4
3
2
1
1

Relative Humidity (%)

14
13
11
11
10
10
10
13
17
19
21
24
25
26
27
27
28
27
27
26
21
17
14
13

Pressure (mb)

1020
1019
1019
1018
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015

Ozone (du)

301
301
301
301
301
301
301
301
301
300
301
301
303
303
302
302
301
301
301
302
301
301
301
301

Friday 14

Waxing Crescent 4%

09:55

21:39

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

Sun - Rise: 06:30, Set: 21:05, Transit: 13:47. Moon - Rise: 09:55, Set: 21:39. Civil Dark: 21:41 - 05:54. Nautical Dark: 22:29 - 05:07. Astro Dark: 23:25 - 04:12

Total Clouds (% Sky Obscured)

39
38
38
37
48
58
67
69
64
63
56
46
43
40
37
37
43
46
48
43
28
18
26
40

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
6
4
6
1
1
1

Medium Clouds (% Sky Obscured)

11
11
14
17
26
36
46
53
55
55
46
36
34
40
37
37
29
17
6
12
22
18
26
40

High Clouds (% Sky Obscured)

0
0
0
0
20
44
66
69
64
63
56
46
43
40
25
1
4
7
10
15
19
18
14
11

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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
7
13
10
22
18
10
5
1
0
1
1
0
1
2
1
4
5
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
6
6
8
10
8
7
6
4
3
2
2
2
2
2
3
3
4
4
5
5

Chance of Frost

Temperature (°C)

34
36
36
36
37
35
34
33
30
27
24
24
23
22
22
21
21
21
21
22
24
26
29
31

Feels Like (°C)

27
29
37
36
36
37
36
37
30
29
28
27
25
25
21
22
23
23
22
22
23
24
24
25

Dew Point (°C)

1
1
1
1
1
2
4
5
7
8
11
10
10
10
10
9
9
9
8
8
8
7
6
5

Relative Humidity (%)

12
11
10
10
10
12
14
17
23
31
42
43
45
46
46
46
46
44
42
41
34
28
23
19

Pressure (mb)

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

Ozone (du)

301
301
301
301
300
300
300
301
301
302
302
301
301
300
299
298
298
298
297
297
297
296
296
296

Saturday 15

Waxing Crescent 10%

11:13

21:52

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

Sun - Rise: 06:32, Set: 21:03, Transit: 13:47. Moon - Rise: 11:13, Set: 21:52. Civil Dark: 21:39 - 05:55. Nautical Dark: 22:26 - 05:09. Astro Dark: 23:21 - 04:14

Total Clouds (% Sky Obscured)

50
68
82
95
97
98
100
99
97
96
93
91
89
93
96
100
98
97
95

Low Clouds (% Sky Obscured)

0
11
17
17
11
11
11
11
9
10
17
21
25
18
10
2
5
8
10

Medium Clouds (% Sky Obscured)

50
65
62
60
69
78
88
81
73
69
65
62
58
50
41
34
51
68
84

High Clouds (% Sky Obscured)

6
19
26
40
60
87
100
97
93
96
89
78
57
69
81
100
96
91
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
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

Precipitation Type

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
2
3
3
8
11
12
16
16
13
17
23
28
29
23
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
6
7
8
10
12
14
10
8
5
5
4
4
4
4
4
4
3

Chance of Frost

Temperature (°C)

34
36
36
36
37
32
29
25
24
22
21
19
18
17
16
16
15
15
16

Feels Like (°C)

26
27
36
34
33
32
33
34
21
20
19
19
19
19
15
16
16
16
15

Dew Point (°C)

5
4
3
2
2
4
7
11
10
9
9
10
11
12
12
12
12
11
11

Relative Humidity (%)

16
13
12
11
11
16
25
39
41
43
46
53
61
71
74
78
80
77
72

Pressure (mb)

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

Ozone (du)

297
297
297
297
297
297
297
296
297
299
300
300
300
300
300
301
301
301
302

Forecast for Brussels, Bruxelles-Capitale, Kingdom of Belgium (50.85,4.35)

Generated: 09/08/26 13:17:40. Forecast: 09/08/26 to 15/08/26. Timezone: UTC+2.00