Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 4

Waning Gibbous 60%

23:09

13:02

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

32
32
32
38
82
100
87
98
100
100
85
23
0
15
34
36
36
37
44
47
45
49
46
68

Low Clouds (% Sky Obscured)

0
0
0
13
78
46
52
36
39
33
18
0
0
0
11
0
5
14
15
25
25
30
25
57

Medium Clouds (% Sky Obscured)

16
20
30
38
80
100
87
98
89
81
78
23
0
11
18
23
20
19
22
20
18
17
15
13

High Clouds (% Sky Obscured)

2
2
0
1
1
22
40
24
40
40
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 (%)

2
18
59
0
0
2
4
6
21
8
2
0
0
0
0
0
0
0
0
0
1
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)

6
7
8
8
11
14
11
10
12
10
9
6
5
5
4
4
4
4
3
4
4
5
7
8

Chance of Frost

Temperature (°C)

24
26
29
31
32
32
30
30
29
28
27
25
24
22
22
21
20
20
20
19
19
19
20
22

Feels Like (°C)

25
26
29
30
30
29
28
28
27
26
25
24
24
23
23
22
22
22
22
21
20
20
21
23

Dew Point (°C)

14
12
11
11
12
16
16
16
14
14
14
14
13
13
13
12
12
12
13
14
15
15
15
14

Relative Humidity (%)

54
41
33
30
28
38
41
44
38
43
44
48
51
54
56
56
58
60
63
70
77
80
71
63

Pressure (mb)

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

Ozone (du)

316
314
315
313
310
308
307
306
305
305
306
308
309
309
309
310
310
310
312
312
311
310
309
308

Wednesday 5

Waning Gibbous 49%

23:27

14:25

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

77
66
83
44
34
45
52
41
30
22
13
0
0
0
0
0
7
16
20
39
57
37
36
50

Low Clouds (% Sky Obscured)

63
50
70
28
17
21
16
30
6
0
0
0
0
0
0
0
3
10
13
21
20
0
0
11

Medium Clouds (% Sky Obscured)

27
20
21
0
1
15
27
13
13
16
8
0
0
0
0
0
0
0
0
0
0
37
8
17

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
2
18
41
37
36
42

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 (%)

2
13
2
0
0
0
0
0
0
0
1
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
11
13
16
16
16
16
18
17
15
15
12
10
9
8
8
8
8
7
7
7
6
7
8

Chance of Frost

Temperature (°C)

23
24
25
26
27
28
28
27
26
25
23
21
19
18
16
15
14
14
13
13
13
13
15
17

Feels Like (°C)

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

Dew Point (°C)

14
15
14
11
9
8
7
10
9
8
8
8
7
8
10
10
11
11
11
11
11
11
11
9

Relative Humidity (%)

58
56
49
39
32
28
27
35
34
34
38
41
45
54
65
73
78
82
83
86
87
84
75
61

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021

Ozone (du)

308
308
309
310
311
311
312
312
313
314
314
314
315
316
316
317
318
318
318
317
316
316
315
315

Thursday 6

Third Quarter 37%

23:54

15:51

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

62
68
48
55
33
33
17
18
66
31
26
19
20
21
18
11
2
11
19
25
13
25
3
4

Low Clouds (% Sky Obscured)

13
16
14
10
4
18
11
11
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
6
27
32
18
11
0
0
39
20
18
14
13
12
11
8
1
8
4
4
0
0
0
0

High Clouds (% Sky Obscured)

49
62
0
2
1
0
0
2
14
0
0
0
0
0
0
0
0
3
19
25
13
25
2
4

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
9
9
10
11
11
12
12
12
12
10
8
6
4
3
2
2
1
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
41
33
29
26
24
24
25
27
30
32
36
45
51
55
60
64
69
70
71
71
70
61
51

Pressure (mb)

1021
1022
1022
1022
1021
1021
1021
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025

Ozone (du)

315
316
319
321
324
326
328
329
332
336
341
343
336
332
329
327
325
325
324
324
322
321
320
321

Friday 7

Waning Crescent 26%

00:32

17:16

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

4
28
71
90
79
60
73
38
32
7
4
12
10
11
9
15
41
62
62
65
70
74
75
67

Low Clouds (% Sky Obscured)

0
3
8
12
8
5
1
1
1
1
0
0
0
0
0
0
2
4
7
4
2
0
0
0

Medium Clouds (% Sky Obscured)

0
10
14
21
21
25
25
17
11
2
1
1
0
0
0
0
0
0
0
4
10
14
22
24

High Clouds (% Sky Obscured)

3
7
35
40
31
13
35
2
18
5
4
12
10
11
9
15
41
61
53
61
68
69
68
59

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)

2
1
1
1
2
2
2
3
4
9
10
9
7
6
5
5
5
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

19
21
22
23
24
25
26
26
25
24
23
20
19
17
16
16
15
15
14
14
14
14
16
18

Feels Like (°C)

20
22
23
22
23
24
26
24
25
21
20
19
15
15
14
14
13
12
12
14
14
15
16
18

Dew Point (°C)

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

Relative Humidity (%)

45
38
33
31
28
26
24
22
21
28
39
46
49
50
50
49
51
53
55
58
58
58
49
42

Pressure (mb)

1025
1024
1024
1023
1023
1022
1022
1021
1021
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

321
322
323
325
326
328
331
331
332
330
328
327
327
326
325
325
325
324
326
328
325
322
321
319

Saturday 8

Waning Crescent 25%

01:27

18:33

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

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)

63
70
73
75
53
27
5
4
2
0
27
53
75
66
48
34
45
57
70
73
83
94
93
89

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
9
19

Medium Clouds (% Sky Obscured)

29
22
12
1
1
0
0
0
0
0
9
18
27
24
22
19
19
18
17
23
29
40
30
29

High Clouds (% Sky Obscured)

53
61
65
69
48
25
5
4
2
0
20
37
45
35
22
3
19
34
50
59
70
80
82
76

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
1
0
0
0
0
0
0
0
0
0
0
0
0
4
0
5
8
10
15
19

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
4
4
4
5
5
5
5
4
4
4
6
5
5
5
4
4
4
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
23
25
27
27
28
28
29
28
28
27
24
21
19
18
18
18
18
17
17
17
16
16
19

Dew Point (°C)

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

Relative Humidity (%)

36
32
27
23
21
19
17
17
17
17
19
23
27
36
38
41
38
38
38
38
36
35
33
27

Pressure (mb)

1019
1019
1019
1018
1017
1017
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1014
1014
1014

Ozone (du)

318
317
316
315
315
315
315
315
316
316
319
320
320
317
315
314
314
315
316
316
317
318
320
320

Sunday 9

Waning Crescent 16%

02:41

19:34

10 Bad
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 OK
06 OK
07 OK
08 Bad
09 Bad

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)

87
90
95
96
78
61
44
59
75
92
84
79
75
70
67
60
55
51
50
48
43
36
54
70

Low Clouds (% Sky Obscured)

22
26
23
27
17
11
7
7
4
4
4
2
2
2
0
4
4
6
8
5
4
3
4
11

Medium Clouds (% Sky Obscured)

28
28
27
26
21
17
12
33
53
72
53
34
15
18
23
21
13
8
2
4
5
6
14
12

High Clouds (% Sky Obscured)

73
82
86
88
61
37
15
22
27
35
25
25
25
20
17
18
29
43
48
38
25
12
19
24

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 (%)

19
46
54
56
51
43
31
29
29
33
32
25
15
10
6
0
1
1
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
4
4
3
4
5
6
7
8
10
8
7
7
7
7
8
7
6
5
5
5
6
7

Chance of Frost

Temperature (°C)

23
25
26
27
29
29
30
31
29
28
26
25
23
22
21
20
19
18
18
17
17
18
18
21

Feels Like (°C)

18
18
19
21
21
29
28
29
29
29
30
22
22
21
21
20
20
16
16
17
17
16
16
19

Dew Point (°C)

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

Relative Humidity (%)

22
17
15
13
12
11
10
10
12
14
18
20
23
26
28
29
30
31
32
33
32
31
30
25

Pressure (mb)

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

Ozone (du)

321
322
323
323
323
322
322
321
321
321
321
321
322
322
323
323
324
324
325
325
325
324
323
323

Monday 10

Waning Crescent 8%

04:08

20:18

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

89
83
77
70
66
63
59
44
31
15
22
29
32
29
25
21
13
6
1
1
1
0

Low Clouds (% Sky Obscured)

18
24
28
27
27
19
12
9
9
10
12
12
16
14
7
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

8
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

34
22
23
21
26
21
22
15
11
0
7
14
23
28
25
21
13
6
1
1
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

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
2
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

Wind Speed/Direction (mph)

9
10
11
12
14
14
14
13
12
10
9
7
6
6
5
5
6
6
6
5
6
7

Chance of Frost

Temperature (°C)

23
26
27
27
28
27
26
25
23
22
21
19
17
16
15
14
13
12
11
10
11
12

Feels Like (°C)

19
20
20
22
23
25
24
23
23
23
23
17
16
16
15
15
14
10
10
10
10
10

Dew Point (°C)

-0
-1
2
4
6
8
9
10
9
8
8
7
7
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

21
17
19
22
25
29
34
39
39
41
43
46
50
55
59
64
69
71
75
77
76
73

Pressure (mb)

1016
1016
1016
1017
1017
1018
1018
1018
1019
1019
1020
1021
1021
1022
1022
1022
1023
1023
1023
1023
1024
1024

Ozone (du)

322
322
321
321
321
319
318
317
317
318
318
319
320
321
321
321
321
322
323
323
322
321

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

Generated: 04/08/26 10:51:26. Forecast: 04/08/26 to 10/08/26. Timezone: UTC+2.00