Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 6

Third Quarter 37%

23:54

15:51

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

Sun - Rise: 06:18, Set: 21:19, Transit: 13:48. Moon - Rise: 23:54, Set: 15:51. Civil Dark: 21:58 - 05:40. Nautical Dark: 22:48 - 04:50. Astro Dark: 23:52 - 03:47

Total Clouds (% Sky Obscured)

29
45
6
4
37
37
22
4
5
0
0
0
0
2
17
13
29
21
7
3
9
13
26
67

Low Clouds (% Sky Obscured)

16
15
6
4
12
20
16
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
20

Medium Clouds (% Sky Obscured)

29
14
6
4
26
19
11
3
3
0
0
0
0
0
11
6
5
3
1
0
0
0
0
17

High Clouds (% Sky Obscured)

29
4
3
0
0
0
0
0
0
0
0
0
0
2
2
5
20
16
3
2
8
13
26
36

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
11
12
13
13
12
10
7
5
3
3
3
2
3
3
2
3
3
3
2
2
1

Chance of Frost

Temperature (°C)

21
23
24
25
24
23
22
21
20
19
17
16
15
15
14
13
12
12
12
12
14
17
19
21

Feels Like (°C)

18
19
22
23
21
19
19
18
18
17
16
16
16
15
15
13
13
11
12
12
15
17
20
22

Dew Point (°C)

5
5
4
5
3
3
4
4
4
4
5
6
6
7
7
6
6
6
7
7
6
6
6
5

Relative Humidity (%)

35
30
27
26
26
27
30
32
33
37
44
50
53
57
61
64
66
67
69
67
57
49
41
36

Pressure (mb)

1022
1021
1021
1021
1022
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

325
329
335
338
347
345
341
332
330
327
326
327
329
325
323
322
323
323
324
324
326
327
329
333

Friday 7

Waning Crescent 26%

00:32

17:16

12 OK
13 OK
14 Bad
15 Bad
16 OK
17 OK
18 Bad
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 Good
09 Good
10 Good
11 Good

Sun - Rise: 06:20, Set: 21:18, Transit: 13:48. Moon - Rise: 00:32, Set: 17:16. Civil Dark: 21:56 - 05:42. Nautical Dark: 22:46 - 04:52. Astro Dark: 23:48 - 03:51

Total Clouds (% Sky Obscured)

42
46
85
70
45
48
51
15
7
0
0
0
0
1
1
2
2
2
0
1
3
2
1
0

Low Clouds (% Sky Obscured)

13
15
16
0
1
3
3
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

16
20
20
22
25
24
19
5
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
10
50
36
2
2
23
4
0
0
0
0
0
1
1
2
2
2
0
1
3
2
1
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)

1
2
2
3
2
2
3
2
1
4
6
6
5
5
5
5
5
5
4
4
4
3
4
4

Chance of Frost

Temperature (°C)

22
23
24
25
25
25
25
25
24
22
19
18
17
16
16
15
15
14
14
14
16
19
21
24

Feels Like (°C)

21
24
24
23
24
27
25
25
25
22
18
17
16
15
15
14
14
13
13
13
15
19
21
24

Dew Point (°C)

5
4
3
3
2
2
1
2
3
4
5
5
4
4
4
5
5
6
6
6
5
5
4
4

Relative Humidity (%)

31
27
25
23
22
21
21
21
24
32
39
42
42
44
46
49
52
57
60
59
49
40
32
27

Pressure (mb)

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

Ozone (du)

336
338
339
338
337
331
327
326
325
326
325
324
323
323
323
322
321
322
324
325
321
320
322
324

Saturday 8

Waning Crescent 16%

01:27

18:33

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

Sun - Rise: 06:21, Set: 21:16, Transit: 13:48. Moon - Rise: 01:27, Set: 18:33. Civil Dark: 21:54 - 05:43. Nautical Dark: 22:43 - 04:54. Astro Dark: 23:45 - 03:54

Total Clouds (% Sky Obscured)

0
3
16
35
30
30
30
100
81
83
82
82
73
68
46
24
2
17
29
38
37
32
24
40

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
3
7
3
4
4
29
2
2
2
52
33
16
2
3
4
0
4
3
3
5

High Clouds (% Sky Obscured)

0
2
16
35
30
30
30
100
69
68
72
72
64
61
44
21
0
16
27
38
32
24
18
31

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)

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

Chance of Frost

Temperature (°C)

25
26
27
28
28
29
28
28
27
24
22
21
20
20
19
19
18
18
17
17
19
22
25
27

Feels Like (°C)

26
27
27
28
27
27
26
25
24
23
21
20
20
19
18
17
17
17
16
17
19
22
25
28

Dew Point (°C)

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

Relative Humidity (%)

23
21
18
16
15
15
15
15
18
22
29
32
30
31
31
31
34
35
35
35
31
27
22
19

Pressure (mb)

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

Ozone (du)

322
320
318
317
317
318
319
319
320
321
321
321
321
322
322
322
322
324
325
327
328
327
326
326

Sunday 9

Waning Crescent 8%

02:41

19:34

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

59
80
90
90
90
70
55
50
40
44
48
44
39
33
40
60
55
49
47
43
36
27
21
30

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
18
24
18
12
6
11

Medium Clouds (% Sky Obscured)

8
10
13
15
16
15
16
14
19
22
26
25
25
19
25
60
43
22
12
3
0
0
0
5

High Clouds (% Sky Obscured)

43
50
60
60
56
43
32
40
4
1
0
0
0
0
0
0
0
0
0
0
4
8
10
8

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
1
2
1
1
0
0
1
1
0
1
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)

2
3
4
4
5
6
7
9
8
7
6
6
6
5
6
6
6
6
6
6
6
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

30
31
32
33
33
32
31
28
26
25
24
22
21
21
20
19
18
19
18
19
20
22
25
28

Dew Point (°C)

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

Relative Humidity (%)

16
13
13
12
12
12
12
14
19
22
27
29
29
30
30
32
31
31
32
32
28
22
18
15

Pressure (mb)

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

Ozone (du)

326
327
327
328
326
324
323
322
322
322
322
323
322
322
323
322
323
323
321
322
322
320
317
317

Monday 10

Waning Crescent 8%

04:08

20:18

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

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)

41
50
57
65
73
68
64
70
48
50
53
48
44
34
35
40
40
40
41
41
49
52
55
62

Low Clouds (% Sky Obscured)

15
20
16
14
11
18
23
29
1
3
4
3
2
0
0
0
0
0
0
0
0
0
0
3

Medium Clouds (% Sky Obscured)

11
16
24
32
48
33
37
56
48
45
38
48
44
34
35
40
36
33
41
41
49
52
55
61

High Clouds (% Sky Obscured)

5
2
1
1
3
1
3
4
8
13
18
16
15
17
23
32
40
40
36
36
29
28
26
27

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
6
7
5
12
17
22
20
22
26
18

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)

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

Chance of Frost

Temperature (°C)

31
32
33
34
34
34
34
33
32
30
28
26
25
25
24
24
23
22
22
21
20
22
24
26

Feels Like (°C)

30
31
32
32
33
32
32
31
28
29
28
27
26
26
25
20
20
20
21
21
21
18
19
20

Dew Point (°C)

-0
-1
-1
-1
-2
-2
-2
-2
-1
0
1
0
1
2
3
4
5
6
8
9
10
9
9
9

Relative Humidity (%)

13
11
11
10
10
10
10
10
12
14
16
18
20
22
24
27
30
34
40
46
53
45
39
33

Pressure (mb)

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

Ozone (du)

316
316
316
316
316
315
314
314
314
313
313
313
313
313
313
313
313
313
314
315
316
317
318
319

Tuesday 11

Waning Crescent 2%

05:40

20:48

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

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)

63
65
63
61
54
47
39
33
31
29
34
31
24
22
27
30
32
31
31
34
36
39
42
35

Low Clouds (% Sky Obscured)

6
8
7
6
5
7
10
12
8
4
0
0
0
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

63
65
63
61
54
47
36
18
25
29
34
31
24
22
24
22
18
17
21
22
27
28
30
25

High Clouds (% Sky Obscured)

24
25
24
18
18
15
9
10
9
6
2
4
6
8
8
6
6
6
3
0
0
1
1
1

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 (%)

12
9
14
20
19
37
29
12
24
22
1
7
10
7
7
7
0
0
0
0
2
2
0
3

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)

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

Chance of Frost

Temperature (°C)

27
28
29
29
29
29
29
28
27
26
24
23
22
21
21
20
20
19
20
21
22
24
26
28

Feels Like (°C)

21
22
24
28
28
28
28
29
29
24
25
25
25
24
24
20
20
20
20
20
20
24
24
25

Dew Point (°C)

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

Relative Humidity (%)

31
30
30
31
33
36
37
40
43
45
47
49
52
55
60
62
64
66
64
64
63
52
43
37

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1017
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

322
324
326
326
326
326
327
328
329
326
324
322
320
319
318
317
317
317
314
311
309
309
309
309

Wednesday 12

New Moon 0%

07:09

21:09

12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 Bad
20 Bad
21 OK
22 OK
23 Bad
00 Bad
01 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)

29
24
19
12
4
11
21
36
37
47
45
52
56
45

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

20
13
7
3
0
0
0
0
4
9
13
8
5
1

High Clouds (% Sky Obscured)

1
2
2
3
3
11
21
36
37
47
45
52
56
45

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

1
0
0
0
0
6
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

30
32
34
34
34
35
34
33
32
29
27
25
23
22

Feels Like (°C)

26
27
28
36
35
33
34
34
34
29
28
27
26
25

Dew Point (°C)

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

Relative Humidity (%)

32
27
24
21
20
18
20
23
26
30
34
39
42
44

Pressure (mb)

1017
1017
1016
1016
1016
1016
1016
1016
1016
1017
1018
1018
1019
1019

Ozone (du)

309
309
308
308
308
308
308
308
307
307
307
307
306
305

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

Generated: 06/08/26 12:56:42. Forecast: 06/08/26 to 12/08/26. Timezone: UTC+2.00