Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 2

Waning Gibbous 63%

21:57

15:03

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:00, Set: 20:25, Transit: 13:41. Moon - Rise: 21:57, Set: 15:03. Civil Dark: 20:59 - 06:26. Nautical Dark: 21:41 - 05:44. Astro Dark: 22:27 - 04:59

Total Clouds (% Sky Obscured)

98
96
93
94
87
95
100
100
100
98
99
90
97
93
95
99
100
100
100
97
100
100
85
96

Low Clouds (% Sky Obscured)

54
63
38
6
41
70
67
90
93
86
87
80
55
42
50
63
93
91
90
90
77
78
69
54

Medium Clouds (% Sky Obscured)

90
71
57
44
36
82
37
50
49
26
58
54
92
31
44
31
98
96
99
86
15
23
11
11

High Clouds (% Sky Obscured)

2
59
22
72
50
85
95
85
99
53
83
9
18
50
46
66
100
100
95
74
100
100
55
90

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
7

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 (%)

38
14
0
1
0
0
0
0
0
1
0
16
15
0
1
4
17
13
14
25
23
24
35
35

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
0.2

Wind Speed/Direction (mph)

8
7
7
7
5
5
6
6
7
8
9
10
11
11
11
11
12
12
12
13
14
13
14
13

Chance of Frost

Temperature (°C)

20
20
20
19
18
17
17
17
17
17
17
18
17
17
18
18
18
18
18
19
20
21
22
23

Feels Like (°C)

19
19
19
19
17
16
16
16
15
15
14
14
14
15
15
15
16
15
16
16
18
19
20
21

Dew Point (°C)

11
11
12
12
12
11
11
10
10
10
8
9
11
12
13
14
15
15
16
16
17
18
20
20

Relative Humidity (%)

57
58
62
61
69
66
65
63
61
60
55
58
64
70
76
81
85
86
86
84
85
85
85
81

Pressure (mb)

1021
1021
1021
1021
1020
1021
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019

Ozone (du)

304
303
302
301
299
300
300
298
297
297
296
296
297
297
296
297
296
299
299
298
297
295
294
292

Thursday 3

Waning Gibbous 51%

22:30

No Set

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:01, Set: 20:23, Transit: 13:41. Moon - Rise: 22:30, Set: No Set. Civil Dark: 20:57 - 06:27. Nautical Dark: 21:38 - 05:46. Astro Dark: 22:24 - 05:01

Total Clouds (% Sky Obscured)

92
68
67
47
63
63
64
59
70
53
60
68
70
67
69
90
88
91
94
97
99
87
86
74

Low Clouds (% Sky Obscured)

75
33
32
20
17
21
24
20
26
18
27
35
47
50
50
79
83
88
91
86
89
87
76
45

Medium Clouds (% Sky Obscured)

7
1
5
1
7
8
11
12
8
8
6
6
5
13
22
33
29
29
19
20
37
30
27
34

High Clouds (% Sky Obscured)

56
51
51
20
53
16
13
30
5
4
26
20
1
0
0
0
2
13
35
29
6
7
4
1

ISS Passover

Visibility (miles)

8
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
Light Rain

Precipitation Probability (%)

26
16
2
1
2
1
0
1
4
0
0
0
1
1
0
1
4
3
4
18
17
14
36
67

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
0.4

Wind Speed/Direction (mph)

15
14
13
13
11
10
10
11
11
13
12
12
12
12
12
13
13
15
15
15
16
15
16
17

Chance of Frost

Temperature (°C)

24
24
23
22
21
20
19
19
19
20
19
19
19
19
19
19
19
20
21
21
22
23
24
24

Feels Like (°C)

22
21
22
21
21
20
20
19
19
19
19
19
19
18
18
17
17
18
18
19
19
20
21
21

Dew Point (°C)

18
17
15
15
15
16
17
17
18
18
18
18
18
18
17
17
17
17
17
17
16
16
16
17

Relative Humidity (%)

68
64
57
62
69
77
84
88
91
91
91
91
92
92
89
90
85
82
81
76
67
64
62
64

Pressure (mb)

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

Ozone (du)

292
291
290
290
289
290
291
288
287
285
285
285
285
285
286
285
286
285
285
285
285
285
285
286

Friday 4

Third Quarter 39%

23:18

16:22

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
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:03, Set: 20:21, Transit: 13:41. Moon - Rise: 23:18, Set: 16:22. Civil Dark: 20:55 - 06:29. Nautical Dark: 21:36 - 05:48. Astro Dark: 22:21 - 05:03

Total Clouds (% Sky Obscured)

65
89
98
98
100
100
100
100
100
100
100
100
100
100
65
93
100
69
42
97
54
76
81
83

Low Clouds (% Sky Obscured)

14
45
37
63
52
38
34
30
21
30
32
37
34
27
29
4
0
20
38
37
45
40
35
30

Medium Clouds (% Sky Obscured)

27
17
86
98
96
99
100
100
94
99
30
21
0
0
0
0
0
0
0
0
0
0
1
2

High Clouds (% Sky Obscured)

65
75
89
37
100
100
100
100
100
100
100
100
100
100
60
91
100
58
13
91
22
61
66
65

ISS Passover

Visibility (miles)

5
3
7
9
6
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

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

Precipitation Probability (%)

73
58
42
40
39
51
34
33
37
16
20
4
1
0
0
0
0
0
0
0
2
0
0
0

Precipitation Amount (mm)

0.5
0.4
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
17
14
12
12
9
9
7
7
6
6
6
6
5
4
4
4
5
6
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

18
19
20
19
18
17
17
16
16
15
15
14
14
13
12
11
11
11
12
11
10
9
8
8

Relative Humidity (%)

68
77
87
84
81
85
85
84
85
85
83
79
82
82
82
83
83
77
71
64
56
49
44
42

Pressure (mb)

1014
1014
1014
1015
1015
1016
1017
1017
1017
1018
1018
1019
1019
1020
1020
1021
1022
1023
1023
1024
1024
1024
1024
1024

Ozone (du)

287
286
287
288
288
291
293
295
296
299
308
312
314
313
315
313
310
308
305
303
302
299
298
297

Saturday 5

Waning Crescent 28%

00:24

17:27

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

Sun - Rise: 07:04, Set: 20:19, Transit: 13:40. Moon - Rise: 00:24, Set: 17:27. Civil Dark: 20:52 - 06:31. Nautical Dark: 21:33 - 05:50. Astro Dark: 22:18 - 05:06

Total Clouds (% Sky Obscured)

65
84
95
70
60
71
83
67
62
19
29
8
0
2
13
33
13
40
45
58
70
78
87
92

Low Clouds (% Sky Obscured)

19
14
13
12
9
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
6
10
12
9
7
5
4
4
4
7
5
0
0
0
0
0
0
0
2
4
10
85
91

High Clouds (% Sky Obscured)

48
68
85
70
60
62
68
52
54
8
23
3
0
2
13
32
11
35
35
42
53
59
82
90

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

Chance of Frost

Temperature (°C)

21
21
21
19
18
17
16
15
14
14
13
13
12
12
12
12
12
15
17
20
21
23
24
25

Feels Like (°C)

18
19
17
17
17
16
14
13
13
12
13
12
12
12
12
11
10
14
14
17
18
20
21
22

Dew Point (°C)

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

Relative Humidity (%)

43
43
43
48
57
63
67
70
73
74
77
79
80
80
81
83
77
68
60
49
42
38
34
31

Pressure (mb)

1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1023
1023
1022
1021

Ozone (du)

296
295
294
292
291
291
290
289
288
287
288
289
290
290
290
290
290
290
289
288
288
289
289
289

Sunday 6

Waning Crescent 18%

01:45

18:15

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

Sun - Rise: 07:06, Set: 20:16, Transit: 13:40. Moon - Rise: 01:45, Set: 18:15. Civil Dark: 20:50 - 06:32. Nautical Dark: 21:31 - 05:52. Astro Dark: 22:15 - 05:08

Total Clouds (% Sky Obscured)

100
100
99
100
93
81
90
83
65
49
48
25
26
60
81
99
88
91
94
80
66
54
60
67

Low Clouds (% Sky Obscured)

0
0
0
17
29
1
0
0
0
0
0
0
0
5
10
13
34
38
39
25
13
10
20
30

Medium Clouds (% Sky Obscured)

86
27
50
82
73
56
73
40
18
20
43
19
23
10
4
69
83
84
82
64
47
31
35
39

High Clouds (% Sky Obscured)

100
100
95
100
41
60
62
69
50
25
17
9
16
56
78
98
24
14
9
6
3
1
11
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 (%)

0
0
0
0
3
6
5
15
21
21
17
10
2
0
0
2
22
15
8
2
2
3
9
11

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

Chance of Frost

Temperature (°C)

26
26
25
24
23
22
21
20
20
20
19
19
19
18
18
18
18
19
20
22
23
24
25
25

Feels Like (°C)

24
24
24
22
21
20
19
19
19
18
19
18
18
16
15
15
15
16
15
15
16
16
16
26

Dew Point (°C)

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

Relative Humidity (%)

30
31
35
43
45
47
51
50
50
49
50
50
50
50
49
49
50
47
44
41
38
35
32
37

Pressure (mb)

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

Ozone (du)

289
289
289
288
286
286
286
287
287
288
287
287
289
290
291
295
297
297
298
298
298
298
298
297

Monday 7

Waning Crescent 10%

03:13

18:49

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:07, Set: 20:14, Transit: 13:40. Moon - Rise: 03:13, Set: 18:49. Civil Dark: 20:48 - 06:34. Nautical Dark: 21:28 - 05:53. Astro Dark: 22:12 - 05:10

Total Clouds (% Sky Obscured)

79
88
93
97
94
91
86
87
93
100
100
100
100
100
100
100
93
86
72
69
61
52
47
48

Low Clouds (% Sky Obscured)

39
32
27
29
26
23
22
23
24
25
22
25
28
46
67
86
68
50
30
22
14
8
20
32

Medium Clouds (% Sky Obscured)

46
38
31
22
45
69
86
75
67
68
63
59
60
65
65
70
61
47
32
34
32
24
25
20

High Clouds (% Sky Obscured)

38
53
74
85
79
76
71
78
89
100
100
100
100
100
100
100
92
86
72
69
61
52
29
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
8
8
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 (%)

3
9
8
0
2
2
0
2
1
0
1
1
1
20
32
41
40
36
20
14
5
1
3
4

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
14
13
12
12
11
10
10
9
9
8
8
8
8
9
8
9
9
10
11
11
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
24
25
25
25
16
16
15
15
14
13
12
12
13
13
13
14
13
14
14
14
13
13
18

Dew Point (°C)

12
14
14
13
13
12
12
12
11
11
11
11
11
11
12
13
13
12
10
8
7
5
4
5

Relative Humidity (%)

42
48
52
56
60
62
65
67
68
68
69
72
73
75
80
86
90
77
65
55
48
41
35
38

Pressure (mb)

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

Ozone (du)

296
295
294
294
294
294
294
294
294
294
294
295
295
295
298
300
302
305
308
311
314
318
322
321

Tuesday 8

Waning Crescent 4%

04:41

19:12

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

Sun - Rise: 07:09, Set: 20:12, Transit: 13:39. Moon - Rise: 04:41, Set: 19:12. Civil Dark: 20:45 - 06:36. Nautical Dark: 21:26 - 05:55. Astro Dark: 22:09 - 05:12

Total Clouds (% Sky Obscured)

54
58
64
71
55
44
33
37
45
49
57
60
63
63
64
62
55
48
41
52
63
73

Low Clouds (% Sky Obscured)

43
46
52
60
43
23
2
1
1
3
19
32
46
44
45
45
34
24
14
18
22
24

Medium Clouds (% Sky Obscured)

16
15
13
11
3
3
3
7
12
19
25
32
39
40
40
37
26
15
4
4
4
4

High Clouds (% Sky Obscured)

5
3
1
0
0
0
0
0
0
0
16
30
40
37
37
41
33
25
15
14
12
7

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 (%)

2
11
16
15
15
13
4
24
36
28
28
21
11
17
20
19
19
19
22
30
29
28

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)

13
14
13
12
11
10
9
8
9
9
10
10
10
9
10
10
10
11
11
13
13
13

Chance of Frost

Temperature (°C)

19
19
19
18
17
16
16
15
14
14
13
13
13
13
12
12
12
13
14
15
16
17

Feels Like (°C)

18
17
17
17
17
13
13
13
14
13
13
11
11
11
11
10
11
10
10
11
12
13

Dew Point (°C)

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

Relative Humidity (%)

42
46
50
53
58
60
64
67
71
75
80
80
80
81
84
87
90
76
66
54
50
47

Pressure (mb)

1013
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008

Ozone (du)

320
319
323
327
330
332
334
336
335
335
334
338
341
345
348
351
355
352
348
345
346
347

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

Generated: 02/09/26 16:44:55. Forecast: 02/09/26 to 08/09/26. Timezone: UTC+2.00