Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 1

Waning Gibbous 88%

22:29

No Set

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

Sun - Rise: 06:11, Set: 21:28, Transit: 13:48. Moon - Rise: 22:29, Set: No Set. Civil Dark: 22:07 - 05:31. Nautical Dark: 23:00 - 04:39. Astro Dark: 00:10 - 03:30

Total Clouds (% Sky Obscured)

9
4
3
2
17
18
62
85
100
100
100
100
100
100
100
100
76
70
95
25
33
24
6
12

Low Clouds (% Sky Obscured)

0
0
0
2
8
9
7
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
2
1
2
0
27
18
28
8
6
0
0
0
0
1
3
0
16
33
24
2
3

High Clouds (% Sky Obscured)

0
0
0
0
0
1
50
52
100
100
100
100
100
100
100
100
71
64
94
18
7
4
4
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
6
5
4
4
4
3
3
3
3
3
6
8
7
7
7
7
7
7
6
5
4
4
4

Relative Humidity (%)

48
38
32
28
26
24
23
22
22
22
25
34
43
44
45
47
49
52
55
55
53
49
41
35

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017

Ozone (du)

335
336
336
336
334
332
330
328
328
326
324
324
325
325
325
326
327
327
329
327
325
324
324
323

Sunday 2

Waning Gibbous 80%

22:41

10:27

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

Sun - Rise: 06:12, Set: 21:26, Transit: 13:48. Moon - Rise: 22:41, Set: 10:27. Civil Dark: 22:05 - 05:33. Nautical Dark: 22:57 - 04:41. Astro Dark: 00:06 - 03:34

Total Clouds (% Sky Obscured)

10
21
41
42
33
46
44
58
65
45
45
40
76
94
100
100
100
100
100
100
100
98
64
38

Low Clouds (% Sky Obscured)

4
9
20
13
8
4
14
29
55
45
1
19
0
0
0
2
28
1
0
0
0
0
0
2

Medium Clouds (% Sky Obscured)

0
0
0
18
14
17
15
17
65
45
0
0
2
0
1
5
14
18
33
38
38
28
59
38

High Clouds (% Sky Obscured)

4
6
10
6
4
8
7
22
7
45
45
40
75
94
100
100
100
99
100
96
100
95
41
34

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
2
5
1
1
1
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)

7
8
9
8
7
7
8
9
12
10
10
9
8
10
9
8
7
6
6
4
4
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
24
26
27
28
29
29
29
28
26
25
24
23
20
19
19
20
19
19
19
19
18
20
24

Dew Point (°C)

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

Relative Humidity (%)

33
32
29
26
24
22
21
20
23
29
31
33
35
35
36
41
43
41
41
42
44
45
43
39

Pressure (mb)

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

Ozone (du)

324
323
323
322
320
320
320
320
318
318
318
317
317
316
315
315
315
316
317
317
317
319
321
321

Monday 3

Waning Gibbous 71%

22:54

11:43

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

Sun - Rise: 06:14, Set: 21:24, Transit: 13:48. Moon - Rise: 22:54, Set: 11:43. Civil Dark: 22:03 - 05:35. Nautical Dark: 22:55 - 04:44. Astro Dark: 00:03 - 03:37

Total Clouds (% Sky Obscured)

28
28
41
47
25
15
39
51
100
100
100
100
89
85
85
63
94
100
100
79
92
100
92
74

Low Clouds (% Sky Obscured)

8
0
2
1
0
7
35
25
3
3
0
0
0
0
0
0
0
0
0
0
0
0
8
15

Medium Clouds (% Sky Obscured)

28
24
41
47
15
12
39
51
55
62
48
77
47
60
66
34
21
0
2
19
77
74
71
48

High Clouds (% Sky Obscured)

19
28
37
18
15
7
39
43
100
100
100
100
72
63
63
35
91
100
100
66
53
72
52
26

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

Precipitation Probability (%)

0
0
0
0
0
2
14
35
36
18
2
1
3
7
51
6
4
10
7
0
0
9
31
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
29
31
32
34
35
36
34
33
32
29
28
26
25
24
23
23
23
22
22
21
21
22
24

Feels Like (°C)

26
29
30
31
33
35
34
32
30
31
30
29
26
25
24
23
23
22
21
21
21
20
21
22

Dew Point (°C)

10
10
10
9
8
7
7
10
13
16
19
17
16
16
17
15
15
15
15
14
14
14
13
12

Relative Humidity (%)

36
32
27
24
20
18
17
23
29
38
53
52
52
58
61
60
59
60
61
61
64
64
55
48

Pressure (mb)

1011
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1009
1009
1010
1010
1011
1010
1010
1010
1010
1010
1011
1011
1011

Ozone (du)

322
323
323
322
321
318
315
314
315
312
317
317
317
319
321
321
322
324
325
324
320
316
312
310

Tuesday 4

Waning Gibbous 60%

23:09

13:02

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

Sun - Rise: 06:15, Set: 21:23, Transit: 13:48. Moon - Rise: 23:09, Set: 13:02. Civil Dark: 22:02 - 05:37. Nautical Dark: 22:53 - 04:46. Astro Dark: 23:59 - 03:41

Total Clouds (% Sky Obscured)

83
88
93
85
64
50
38
52
49
48
41
42
39
35
32
31
52
56
55
68
72
57
64
74

Low Clouds (% Sky Obscured)

22
24
38
45
42
38
35
36
26
24
5
13
0
4
2
5
24
22
32
48
54
38
39
52

Medium Clouds (% Sky Obscured)

82
81
81
57
25
16
14
15
19
45
19
23
28
16
17
22
52
56
39
57
28
21
26
26

High Clouds (% Sky Obscured)

0
24
46
61
40
18
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

Very Light Rain
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 (%)

50
45
36
30
24
20
11
11
11
8
9
6
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
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
7
7
8
8
8
8
9
9
11
10
7
4
4
2
2
3
4
4
4
4
4
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

26
26
27
28
30
31
32
32
30
28
27
26
24
23
23
23
22
21
21
21
21
21
23
24

Dew Point (°C)

12
11
10
9
8
7
6
6
6
6
7
7
8
8
8
8
10
11
13
14
14
15
15
14

Relative Humidity (%)

42
36
32
26
23
20
19
18
18
19
24
28
33
36
38
41
47
52
58
66
68
70
66
58

Pressure (mb)

1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1012
1012
1013
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016

Ozone (du)

310
309
309
310
310
310
310
308
307
308
309
310
310
310
310
309
308
308
309
309
308
309
308
308

Wednesday 5

Waning Gibbous 49%

23:27

14:25

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
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 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:17, Set: 21:21, Transit: 13:48. Moon - Rise: 23:27, Set: 14:25. Civil Dark: 22:00 - 05:38. Nautical Dark: 22:50 - 04:48. Astro Dark: 23:55 - 03:44

Total Clouds (% Sky Obscured)

67
61
52
60
63
66
52
52
23
3
1
0
0
0
2
1
7
12
18
36
59
83
76
65

Low Clouds (% Sky Obscured)

34
29
28
60
63
66
44
52
23
3
0
0
0
0
2
0
6
12
18
18
17
15
6
3

Medium Clouds (% Sky Obscured)

29
22
11
0
4
11
14
52
8
3
1
0
0
0
0
1
2
1
0
0
0
0
5
11

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
21
41
62
49
29

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

7
8
9
10
11
11
9
9
12
12
11
8
7
6
4
4
5
5
6
6
7
7
7
8

Chance of Frost

Temperature (°C)

24
26
27
28
29
28
29
31
28
28
26
24
22
21
20
19
18
18
17
17
17
17
17
19

Feels Like (°C)

25
27
28
29
27
26
28
30
25
26
26
26
23
22
22
21
20
20
19
19
19
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

51
45
40
36
34
37
33
25
39
39
45
51
56
59
58
58
58
59
61
63
65
66
67
59

Pressure (mb)

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

Ozone (du)

307
307
306
306
306
305
306
305
305
304
305
305
305
305
305
305
305
305
305
305
306
307
308
309

Thursday 6

Third Quarter 37%

23:54

15:51

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

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)

58
47
36
24
35
45
54
69
83
97
72
52
31
21
11
0
5
10
17
13
9
3
4
3

Low Clouds (% Sky Obscured)

0
2
3
5
6
6
6
6
3
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

16
11
6
2
4
7
11
8
5
1
2
4
5
4
2
0
5
10
17
12
5
0
0
0

High Clouds (% Sky Obscured)

13
14
15
19
23
28
32
50
69
92
66
41
17
10
4
0
0
0
1
1
2
2
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)

9
10
11
11
12
11
11
12
11
10
9
8
6
5
4
4
3
3
3
3
3
4
4
4

Chance of Frost

Temperature (°C)

21
22
24
25
27
27
27
27
26
25
24
22
20
19
18
17
15
15
15
14
15
16
16
18

Feels Like (°C)

18
18
19
20
21
25
24
23
23
24
24
20
20
20
19
19
18
15
16
16
17
16
16
18

Dew Point (°C)

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

Relative Humidity (%)

52
45
39
33
27
28
27
26
30
34
37
43
50
57
61
65
68
69
71
71
70
67
66
58

Pressure (mb)

1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021

Ozone (du)

309
309
310
311
312
313
315
316
319
322
325
327
330
332
332
332
332
330
327
325
324
323
323
319

Friday 7

Waning Crescent 26%

00:32

17:16

10 Good
11 Good
12 OK
13 OK
14 OK
15 OK
16 OK
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: 06:20, 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)

3
16
26
32
35
38
38
56
76
91
94
96
97
82
67
52
54
61
60
64
63
67

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
20
42
61
51
41
31
31
30
26
25
23
22

High Clouds (% Sky Obscured)

3
16
26
32
35
38
38
56
66
83
86
90
93
65
37
21
23
35
45
55
60
65

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
7
4
1
5
7
11
21
30
34
29
24
12

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
20
21
22
23
29
28
28
28
29
29
22
22
22
22
22
22
20
21
21
19
19

Dew Point (°C)

10
11
9
8
7
7
6
6
6
7
7
10
13
15
16
16
16
16
16
15
14
13

Relative Humidity (%)

51
45
38
32
27
25
24
23
25
28
30
39
50
63
65
67
70
70
70
70
67
63

Pressure (mb)

1021
1021
1020
1019
1019
1018
1018
1017
1017
1017
1016
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

316
313
309
305
301
300
299
298
301
303
306
307
308
309
311
313
315
317
319
320
320
319

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

Generated: 01/08/26 10:46:15. Forecast: 01/08/26 to 07/08/26. Timezone: UTC+2.00