Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 10

Waning Crescent 2%

04:08

20:18

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

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)

28
24
45
55
70
64
55
60
14
11
7
13
7
15
13
16
15
14
2
2
4
5
13
4

Low Clouds (% Sky Obscured)

13
14
10
13
10
7
0
0
0
0
0
0
0
0
3
7
7
4
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
24
45
52
56
60
55
60
11
9
6
10
7
13
7
4
4
7
2
2
4
4
13
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)

8
9
10
12
12
13
12
11
10
8
7
7
8
8
8
8
8
8
8
10
11
11
11
12

Chance of Frost

Temperature (°C)

27
28
28
27
26
25
24
22
20
19
17
17
16
15
14
14
13
13
13
14
16
18
20
22

Feels Like (°C)

25
26
25
25
24
22
21
20
18
18
17
16
15
14
13
13
12
12
11
12
14
15
17
18

Dew Point (°C)

10
10
10
9
9
11
12
13
13
13
13
11
10
10
10
10
9
9
9
8
8
7
5
3

Relative Humidity (%)

33
32
32
32
34
39
45
54
62
70
73
69
69
73
75
78
77
77
77
69
58
47
37
30

Pressure (mb)

1017
1017
1017
1018
1018
1019
1019
1019
1020
1021
1021
1022
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025

Ozone (du)

304
303
302
302
302
303
304
305
306
308
310
312
314
312
311
311
310
310
310
310
311
311
310
310

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

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)

3
2
0
0
2
2
1
0
0
0
1
2
0
6
6
3
4
5
12
30
11
39
22
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
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)

2
2
0
0
2
2
1
0
0
0
1
2
0
6
5
3
3
4
11
30
8
34
19
61

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
21
23
23
23
23
23
22
20
18
17
16
15
14
13
13
13
12
12
14
15
19
22
25

Dew Point (°C)

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

Relative Humidity (%)

25
22
19
18
18
18
19
22
26
30
37
41
39
38
40
43
45
47
49
43
37
30
24
21

Pressure (mb)

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

Ozone (du)

310
310
310
310
309
308
309
311
313
312
312
311
311
311
310
310
309
309
309
309
308
307
308
307

Wednesday 12

New Moon 0%

07:09

21:09

13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 OK
19 Bad
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 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)

51
56
68
8
3
2
30
14
3
2
2
1
0
0
0
0
0
7
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)

46
53
67
8
3
2
30
13
3
2
2
1
0
0
0
0
0
7
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
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)

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

Chance of Frost

Temperature (°C)

28
30
31
32
32
32
31
29
26
24
22
21
20
20
19
19
18
18
18
20
23
26
29
31

Feels Like (°C)

26
28
29
29
29
29
29
27
24
22
21
20
19
19
18
18
18
18
18
19
23
26
28
30

Dew Point (°C)

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

Relative Humidity (%)

18
17
15
15
14
14
15
17
20
23
27
30
33
34
33
34
35
36
37
33
27
23
19
16

Pressure (mb)

1023
1023
1022
1022
1022
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

308
307
306
306
306
305
304
303
303
303
302
302
303
303
303
303
303
303
304
305
306
306
306
305

Thursday 13

Waxing Crescent 1%

08:34

21:25

13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 Bad
20 OK
21 OK
22 Good
23 Good
00 Good
01 Good
02 Good
03 OK
04 OK
05 OK
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
4
8
11
17
23
30
26
18
9
6
3
0
13
25
35
43
52
61
60
53
51
61
51

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
2
4
6
9
12
15
12
8
4
2
1
0
6
11
16
17
21
22
16
7
0
1
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
12
25
36
42
42
48
59
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)

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

Chance of Frost

Temperature (°C)

33
34
35
36
36
36
35
34
30
28
26
25
25
24
23
22
22
21
21
23
25
28
30
31

Feels Like (°C)

32
33
34
35
36
35
35
34
30
27
25
24
23
22
21
21
20
21
21
22
24
27
29
29

Dew Point (°C)

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

Relative Humidity (%)

14
13
12
11
11
10
11
14
18
20
22
26
28
28
29
29
30
32
32
29
23
19
16
14

Pressure (mb)

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

Ozone (du)

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

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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 Good
08 OK
09 Bad
10 Bad
11 Bad
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)

45
42
45
40
28
37
45
70
69
76
76
68
69
68
70
73
56
31
9
31
53
73
66
61

Low Clouds (% Sky Obscured)

0
1
2
2
9
15
21
22
26
26
22
15
7
5
3
0
0
0
0
12
24
29
28
22

Medium Clouds (% Sky Obscured)

3
3
3
3
5
7
8
8
6
5
3
2
0
8
14
18
12
6
0
5
11
16
11
5

High Clouds (% Sky Obscured)

38
34
38
34
8
5
2
49
39
48
48
50
54
49
43
37
30
28
9
15
9
1
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)

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

Chance of Frost

Temperature (°C)

33
34
35
35
35
33
31
29
26
24
22
21
21
20
20
19
18
19
19
19
21
22
24
25

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
4
6
7
9
12
14
14
14
14
14
14
14
14
14
14
14
13
13
12
11

Relative Humidity (%)

13
11
11
11
14
18
21
29
41
53
61
63
64
66
68
71
73
73
72
72
62
54
47
41

Pressure (mb)

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

Ozone (du)

304
304
303
303
303
303
303
302
302
302
302
302
302
302
302
302
301
302
302
302
303
304
305
305

Saturday 15

Waxing Crescent 10%

11:13

21:52

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

54
47
41
35
28
23
18
13
6
1
19
40
55
42
30
16
29
45
60
51
55
42
52
53

Low Clouds (% Sky Obscured)

24
16
13
9
9
6
7
5
2
0
0
0
0
0
0
0
1
1
2
1
1
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
6
7
4
2
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
2
1
0
0
0
0
0
0
0
7
10
15
7
13
13
29
45
60
51
48
34
52
53

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)

8
8
8
8
8
10
12
13
10
9
6
5
4
3
3
4
4
5
5
6
6
7
7
7

Chance of Frost

Temperature (°C)

27
28
29
29
30
27
25
23
22
20
19
18
17
17
16
15
14
15
15
15
17
19
21
23

Feels Like (°C)

22
24
31
30
29
30
31
32
21
20
19
19
18
18
14
15
14
15
15
14
16
17
18
19

Dew Point (°C)

11
11
10
10
10
10
11
12
12
11
11
11
11
11
11
11
11
11
11
11
11
11
10
9

Relative Humidity (%)

37
33
31
30
28
34
41
50
53
57
61
63
66
67
71
75
79
78
78
76
66
56
49
42

Pressure (mb)

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

Ozone (du)

305
306
306
307
308
308
308
308
309
310
311
313
316
318
320
323
325
321
318
314
313
311
309
308

Sunday 16

Waxing Crescent 18%

12:30

22:05

13 Bad
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: 06:33, Set: 21:01, Transit: 13:46. Moon - Rise: 12:30, Set: 22:05. Civil Dark: 21:37 - 05:57. Nautical Dark: 22:24 - 05:11. Astro Dark: 23:18 - 04:17

Total Clouds (% Sky Obscured)

54
44
39
34
56
80
100
100
100
100
98
95
93
93
94
95
90
86
84

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
5
11
10
5
0
5
11
16
9
5
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
30
31
32
28
38
44
50
45
41
37

High Clouds (% Sky Obscured)

54
44
39
34
56
80
100
100
100
100
98
95
92
90
84
80
76
78
83

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
0
0
0
7
10
13
18
18
16
16
13
3
4
3
1

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)

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

Chance of Frost

Temperature (°C)

24
26
27
27
28
26
25
24
23
22
20
20
20
20
19
19
18
18
18

Feels Like (°C)

19
20
27
26
26
26
27
28
21
20
20
20
19
19
17
17
17
17
16

Dew Point (°C)

8
8
7
7
6
8
10
12
12
13
13
13
13
12
12
12
11
11
11

Relative Humidity (%)

36
31
29
27
25
30
38
47
52
57
64
63
62
61
63
64
65
62
61

Pressure (mb)

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

Ozone (du)

308
307
307
306
306
307
308
309
311
312
313
315
317
319
321
323
325
324
323

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

Generated: 10/08/26 13:04:32. Forecast: 10/08/26 to 16/08/26. Timezone: UTC+2.00