Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 6

Third Quarter 37%

23:52

15:48

15 Bad
16 OK
17 OK
18 OK
19 OK
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 OK
11 OK
12 OK
13 OK
14 Bad

Sun - Rise: 06:16, Set: 21:17, Transit: 13:46. Moon - Rise: 23:52, Set: 15:48. Civil Dark: 21:55 - 05:38. Nautical Dark: 22:45 - 04:48. Astro Dark: 23:49 - 03:46

Total Clouds (% Sky Obscured)

44
41
46
40
27
2
5
0
0
0
0
13
18
14
6
5
6
7
11
19
33
23
39
85

Low Clouds (% Sky Obscured)

18
23
15
22
17
1
0
0
0
0
0
0
3
0
0
0
0
0
0
8
24
17
5
0

Medium Clouds (% Sky Obscured)

29
26
28
19
11
1
3
0
0
0
0
0
7
5
0
0
0
0
0
0
0
3
25
24

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
13
4
5
6
5
5
7
10
10
6
3
0
69

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)

11
10
10
13
13
11
7
5
4
3
2
3
3
3
3
2
3
2
2
1
2
3
4
4

Chance of Frost

Temperature (°C)

23
23
23
23
22
20
18
16
14
14
13
13
11
11
11
10
11
13
16
19
20
21
22
23

Feels Like (°C)

20
20
19
18
18
17
16
15
14
14
14
13
11
11
11
11
11
13
17
20
21
21
21
22

Dew Point (°C)

1
1
1
3
3
4
4
6
7
8
9
8
7
7
7
7
6
5
6
5
4
4
2
2

Relative Humidity (%)

22
22
23
26
30
33
38
50
61
68
72
75
77
77
78
80
74
60
49
40
34
31
27
24

Pressure (mb)

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

Ozone (du)

330
336
344
342
337
330
327
327
327
327
327
323
321
321
322
323
323
324
327
328
331
335
338
339

Friday 7

Waning Crescent 26%

00:30

17:13

15 Bad
16 Bad
17 OK
18 Good
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
12 Good
13 Good
14 Good

Sun - Rise: 06:18, Set: 21:15, Transit: 13:46. Moon - Rise: 00:30, Set: 17:13. Civil Dark: 21:53 - 05:40. Nautical Dark: 22:43 - 04:51. Astro Dark: 23:45 - 03:49

Total Clouds (% Sky Obscured)

84
66
31
14
15
3
2
0
0
0
0
0
2
2
1
0
0
0
2
2
2
0
2
3

Low Clouds (% Sky Obscured)

2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

29
29
14
3
8
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

50
33
9
7
3
0
2
0
0
0
0
0
2
2
1
0
0
0
2
2
1
0
2
2

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

Chance of Frost

Temperature (°C)

24
24
24
24
24
23
20
18
16
15
15
14
13
13
13
12
12
14
18
21
23
25
26
27

Feels Like (°C)

21
21
22
22
23
22
19
17
15
14
14
14
13
13
12
12
12
14
18
20
23
24
26
26

Dew Point (°C)

1
1
1
1
1
1
3
4
5
5
5
6
7
7
7
6
5
3
3
2
2
1
-1
-2

Relative Humidity (%)

22
21
20
21
21
23
31
39
45
50
53
59
64
65
66
66
61
46
36
29
24
21
17
15

Pressure (mb)

1022
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019

Ozone (du)

339
338
334
328
326
326
326
326
324
322
321
321
321
322
321
322
324
324
321
319
320
322
320
317

Saturday 8

Waning Crescent 16%

01:25

18:30

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

Sun - Rise: 06:19, Set: 21:13, Transit: 13:45. Moon - Rise: 01:25, Set: 18:30. Civil Dark: 21:51 - 05:42. Nautical Dark: 22:41 - 04:53. Astro Dark: 23:42 - 03:52

Total Clouds (% Sky Obscured)

35
30
30
25
89
95
79
72
71
47
37
26
14
0
16
29
36
43
51
51
45
48
52
55

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
2
4
3
2
1
0
0
0
0
0
2
2
0
0
3
3
4
9
17
15

High Clouds (% Sky Obscured)

35
30
30
25
89
90
64
60
61
40
32
23
13
0
14
29
36
43
49
47
45
43
40
45

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)

5
5
4
5
5
5
4
4
4
3
3
3
4
4
5
5
5
4
4
3
3
3
4
5

Chance of Frost

Temperature (°C)

28
28
28
28
28
26
23
21
19
19
18
17
17
16
15
15
16
17
21
24
27
29
31
32

Feels Like (°C)

27
25
25
26
25
23
20
19
19
18
18
17
16
14
13
14
14
16
20
24
27
29
30
32

Dew Point (°C)

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

Relative Humidity (%)

14
13
13
13
13
16
23
29
31
33
36
40
40
38
38
39
38
31
25
22
19
15
13
12

Pressure (mb)

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

Ozone (du)

316
316
317
317
317
318
319
320
321
320
321
322
322
322
323
324
325
326
326
327
327
327
328
329

Sunday 9

Waning Crescent 8%

02:39

19:31

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 Good
07 Good
08 Good
09 Good
10 OK
11 OK
12 OK
13 Bad
14 Bad

Sun - Rise: 06:21, Set: 21:12, Transit: 13:45. Moon - Rise: 02:39, Set: 19:31. Civil Dark: 21:49 - 05:43. Nautical Dark: 22:38 - 04:55. Astro Dark: 23:38 - 03:55

Total Clouds (% Sky Obscured)

65
77
71
51
56
61
54
50
45
41
37
34
31
42
24
15
8
14
17
22
24
26
30
40

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
5
9
13
17
13
8
2
11

Medium Clouds (% Sky Obscured)

15
16
16
17
22
24
24
26
23
25
27
24
20
42
15
9
2
3
1
0
5
9
13
17

High Clouds (% Sky Obscured)

46
61
51
21
26
22
7
0
4
6
7
4
2
0
0
0
0
1
1
2
2
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 (%)

0
1
7
6
0
1
1
2
2
1
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
6
7
7
7
5
8
7
7
6
6
6
5
6
6
7
7
8
8
9
10
10
11
11

Chance of Frost

Temperature (°C)

33
33
33
33
32
30
27
24
23
22
21
20
20
19
19
18
19
21
24
26
29
30
31
32

Feels Like (°C)

32
32
31
30
30
27
23
22
21
21
20
19
19
19
17
17
18
20
23
25
27
28
30
31

Dew Point (°C)

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

Relative Humidity (%)

12
12
11
12
12
14
20
28
30
32
35
35
35
34
34
35
34
27
21
17
14
12
11
11

Pressure (mb)

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

Ozone (du)

328
326
323
321
320
320
321
321
321
321
321
321
321
322
323
322
322
321
320
318
317
317
317
316

Monday 10

Waning Crescent 2%

04:06

20:15

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
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
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:22, Set: 21:10, Transit: 13:45. Moon - Rise: 04:06, Set: 20:15. Civil Dark: 21:47 - 05:45. Nautical Dark: 22:36 - 04:57. Astro Dark: 23:35 - 03:58

Total Clouds (% Sky Obscured)

51
66
66
66
66
43
48
49
44
39
25
35
35
35
39
42
46
47
48
50
50
50
55
59

Low Clouds (% Sky Obscured)

20
28
32
36
40
12
11
10
5
2
1
1
0
0
0
0
0
5
10
16
30
43
55
56

Medium Clouds (% Sky Obscured)

20
24
24
26
31
8
11
14
30
39
25
35
35
33
30
30
36
47
48
50
50
50
55
59

High Clouds (% Sky Obscured)

0
0
0
1
1
24
25
23
25
27
25
35
35
35
39
42
46
47
43
40
37
30
27
13

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
5
6
4
9
15
22
19
17
14
16
15
9
7

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)

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

Chance of Frost

Temperature (°C)

32
34
34
33
32
31
29
27
25
24
23
23
22
21
20
20
19
18
20
22
24
25
26
27

Feels Like (°C)

30
32
32
31
30
28
28
27
26
25
23
22
19
19
19
19
19
20
16
18
20
21
22
23

Dew Point (°C)

-3
-2
-2
-2
-3
-2
-1
-1
0
1
1
2
3
4
5
7
10
12
12
11
11
11
11
11

Relative Humidity (%)

10
10
9
10
10
11
14
16
20
21
22
25
28
31
36
43
54
65
57
49
44
41
38
36

Pressure (mb)

1015
1015
1015
1015
1015
1015
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1018
1018

Ozone (du)

315
315
316
315
315
315
314
313
312
312
312
312
312
313
313
314
314
315
317
319
321
322
322
323

Tuesday 11

Waning Crescent 0%

05:38

20:45

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

Sun - Rise: 06:24, Set: 21:08, Transit: 13:45. Moon - Rise: 05:38, Set: 20:45. Civil Dark: 21:45 - 05:47. Nautical Dark: 22:33 - 04:59. Astro Dark: 23:32 - 04:01

Total Clouds (% Sky Obscured)

58
52
56
55
49
33
17
6
13
21
34
39
39
41
42
42
42
42
46
47
52
54
60
66

Low Clouds (% Sky Obscured)

58
52
43
26
10
7
4
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
4

Medium Clouds (% Sky Obscured)

58
52
56
55
49
33
17
4
7
10
11
9
13
16
26
37
42
42
42
39
44
46
47
47

High Clouds (% Sky Obscured)

7
1
1
1
1
1
2
3
10
20
29
29
25
21
18
12
1
1
0
0
0
0
0
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 (%)

7
8
20
25
8
13
12
1
1
1
0
1
4
0
0
0
0
0
0
0
0
0
0
1

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

Chance of Frost

Temperature (°C)

28
28
29
28
27
26
24
22
20
20
19
19
19
18
18
19
20
20
23
26
29
30
32
33

Feels Like (°C)

27
27
27
27
28
28
23
22
21
21
20
20
18
18
18
18
18
17
23
24
24
25
27
28

Dew Point (°C)

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

Relative Humidity (%)

36
36
36
38
41
44
50
58
66
66
66
65
66
69
71
66
62
58
48
40
33
29
26
23

Pressure (mb)

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

Ozone (du)

325
327
329
330
331
332
330
328
327
324
322
320
319
318
317
316
315
314
312
311
310
310
310
311

Wednesday 12

New Moon 1%

07:07

21:06

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:25, Set: 21:06, Transit: 13:45. Moon - Rise: 07:07, Set: 21:06. Civil Dark: 21:43 - 05:48. Nautical Dark: 22:31 - 05:01. Astro Dark: 23:28 - 04:04

Total Clouds (% Sky Obscured)

71
70
53
38
32
44
55
63
66
73
74

Low Clouds (% Sky Obscured)

8
13
16
19
23
20
18
17
10
5
0

Medium Clouds (% Sky Obscured)

43
42
26
13
3
13
20
29
26
23
20

High Clouds (% Sky Obscured)

3
3
7
12
19
23
28
32
53
68
74

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
7
11
7
2
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
8
8
7
7
7
8
8
7
6

Chance of Frost

Temperature (°C)

34
34
35
34
33
32
30
27
25
24
22

Feels Like (°C)

36
34
34
34
33
33
30
30
30
28
26

Dew Point (°C)

10
9
9
8
7
7
9
10
13
12
11

Relative Humidity (%)

22
21
20
20
20
20
26
34
46
47
49

Pressure (mb)

1016
1016
1015
1015
1016
1016
1016
1017
1018
1018
1019

Ozone (du)

310
309
308
308
308
308
307
307
307
306
305

Forecast for Elst, Flemish Brabant, Kingdom of Belgium (50.77,4.89)

Generated: 06/08/26 15:22:09. Forecast: 06/08/26 to 12/08/26. Timezone: UTC+2.00