Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 13

Waxing Crescent 7%

10:06

20:25

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

Sun - Rise: 07:15, Set: 20:01, Transit: 13:38. Moon - Rise: 10:06, Set: 20:25. Civil Dark: 20:34 - 06:42. Nautical Dark: 21:14 - 06:02. Astro Dark: 21:56 - 05:20

Total Clouds (% Sky Obscured)

87
89
92
100
100
100
100
100
100
100
100
100
100
92
87
91
92
75
75
61
46
49
62
84

Low Clouds (% Sky Obscured)

80
89
92
91
65
92
90
98
100
100
95
87
94
91
85
91
84
72
68
50
39
45
54
67

Medium Clouds (% Sky Obscured)

39
42
25
32
30
37
50
30
35
75
100
100
91
26
24
51
42
11
9
6
0
0
0
1

High Clouds (% Sky Obscured)

30
40
87
99
100
100
100
100
100
100
100
100
100
0
1
3
2
1
0
0
6
2
14
24

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
5
6
9
8
3
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

18
28
24
27
30
32
37
42
31
47
85
95
95
76
76
88
70
46
27
22
25
11
4
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
1.2
0.7
0.4
0.5
0.8
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
8
9
9
9
9
9
9
9
9
10
11
11
9
9
8
7
5
3
3
2
2
2

Chance of Frost

Temperature (°C)

18
17
17
16
16
16
16
16
17
17
17
17
18
18
20
20
20
20
19
18
18
17
17
17

Feels Like (°C)

16
15
15
14
15
15
15
15
15
15
16
16
16
17
19
19
19
20
20
19
19
20
19
19

Dew Point (°C)

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

Relative Humidity (%)

78
79
79
81
83
83
83
85
85
85
82
81
82
89
93
93
86
86
88
89
90
92
92
92

Pressure (mb)

1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1024
1024
1024

Ozone (du)

299
297
295
295
294
294
295
295
294
295
297
299
304
309
307
301
298
300
299
296
294
294
293
292

Monday 14

Waxing Crescent 13%

11:24

20:41

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK

Sun - Rise: 07:17, Set: 19:58, Transit: 13:38. Moon - Rise: 11:24, Set: 20:41. Civil Dark: 20:31 - 06:44. Nautical Dark: 21:11 - 06:04. Astro Dark: 21:53 - 05:22

Total Clouds (% Sky Obscured)

93
93
99
100
94
87
94
95
92
79
79
100
80
64
69
81
92
91
72
69
70
59
37
23

Low Clouds (% Sky Obscured)

91
93
93
97
94
87
94
94
86
60
46
41
43
52
48
58
65
72
72
64
67
58
10
0

Medium Clouds (% Sky Obscured)

8
4
5
9
8
0
1
4
18
14
19
19
22
11
24
33
39
30
17
17
20
11
9
12

High Clouds (% Sky Obscured)

11
25
76
86
11
20
53
60
30
7
35
100
16
2
2
2
2
2
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
5
6
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
2
3
2
3
2
13
18
25
26
27
22
16
0
2
3
0
0
1
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
3
3
3
3
3
4
4
5
6
6
7
6
7
6
6
6
6
4
3
2
2
3
2

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
17
17
18
19
20
21
22
23
24
24
24
24
22
21
21
20
19
18

Feels Like (°C)

18
17
18
18
18
18
18
17
19
19
22
22
22
23
24
25
24
24
22
22
22
21
20
21

Dew Point (°C)

16
15
16
16
16
16
16
16
16
16
16
16
15
14
14
13
13
14
16
16
15
15
15
15

Relative Humidity (%)

93
92
92
92
93
93
93
93
90
86
79
71
63
56
54
51
49
54
66
72
71
72
76
82

Pressure (mb)

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

Ozone (du)

292
291
290
289
288
286
284
282
281
280
279
278
277
276
275
275
276
277
278
279
280
281
282
283

Tuesday 15

Waxing Crescent 21%

12:41

21:01

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

Sun - Rise: 07:18, Set: 19:56, Transit: 13:37. Moon - Rise: 12:41, Set: 21:01. Civil Dark: 20:29 - 06:45. Nautical Dark: 21:09 - 06:06. Astro Dark: 21:50 - 05:24

Total Clouds (% Sky Obscured)

39
0
17
0
0
0
2
15
23
17
20
62
63
63
98
100
100
100
100
100
99
99
91
48

Low Clouds (% Sky Obscured)

13
0
12
0
0
0
0
0
0
0
0
17
12
29
23
30
47
15
66
68
67
77
80
32

Medium Clouds (% Sky Obscured)

15
0
0
0
0
0
1
11
15
11
13
34
15
34
96
75
45
46
66
83
32
68
88
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
55
55
60
61
80
100
100
100
85
64
37
18
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
4
3
4
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
5
13
54
67
67
62
44
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
16
16
16
16
16
16
16
16
15
15
14
13
11
10
10
10
11
17
18
18
17
16

Relative Humidity (%)

85
86
89
89
90
92
92
89
80
73
62
55
48
44
41
41
41
42
48
81
92
93
93
93

Pressure (mb)

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

Ozone (du)

284
284
284
283
281
282
282
284
284
284
283
280
279
277
277
278
278
278
279
279
279
282
285
290

Wednesday 16

Waxing Crescent 30%

13:55

21:27

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
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 Good
23 OK
00 OK

Sun - Rise: 07:20, Set: 19:54, Transit: 13:37. Moon - Rise: 13:55, Set: 21:27. Civil Dark: 20:27 - 06:47. Nautical Dark: 21:06 - 06:07. Astro Dark: 21:48 - 05:26

Total Clouds (% Sky Obscured)

42
45
51
71
85
84
86
83
87
89
89
90
71
81
72
78
77
65
39
14
12
11
43
20

Low Clouds (% Sky Obscured)

31
28
25
15
18
23
29
28
27
33
75
35
52
78
71
78
77
65
33
10
8
9
43
19

Medium Clouds (% Sky Obscured)

2
5
8
8
8
7
9
10
11
16
19
18
14
9
4
0
0
1
1
1
1
0
0
0

High Clouds (% Sky Obscured)

1
3
7
33
47
51
50
46
45
45
40
35
0
0
0
0
0
0
1
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
5
4
7
8
8
7
16
32
47
49
54
63
57
59
62
45
27
11
8
7
2
4
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.3
0.3
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
5
5
5
5
5
5
6
7
10
11
10
10
10
11
11
10
9
7
5
5
5
5

Chance of Frost

Temperature (°C)

16
16
15
15
15
14
14
13
14
15
16
16
17
17
17
17
16
16
15
15
14
13
12
12

Feels Like (°C)

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

Dew Point (°C)

15
15
14
14
14
13
13
12
12
12
11
11
9
7
5
4
6
8
7
8
9
8
7
5

Relative Humidity (%)

95
95
95
95
93
93
93
93
89
82
74
73
61
49
43
42
50
57
58
64
72
71
67
60

Pressure (mb)

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

Ozone (du)

290
291
293
295
295
297
300
303
307
311
315
317
318
318
319
319
320
322
321
321
323
325
327
324

Thursday 17

Waxing Crescent 39%

15:04

22:02

01 Good
02 OK
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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:21, Set: 19:52, Transit: 13:36. Moon - Rise: 15:04, Set: 22:02. Civil Dark: 20:24 - 06:48. Nautical Dark: 21:04 - 06:09. Astro Dark: 21:45 - 05:28

Total Clouds (% Sky Obscured)

16
30
80
99
99
100
100
99
98
98
98
97
100
100
100
100
100
99
99
98
95
91
87
90

Low Clouds (% Sky Obscured)

15
16
20
21
29
33
67
74
37
38
43
84
94
82
68
52
49
52
54
63
71
77
65
55

Medium Clouds (% Sky Obscured)

0
5
7
11
16
23
45
99
84
87
96
36
31
40
40
38
47
55
64
62
57
55
67
80

High Clouds (% Sky Obscured)

0
15
67
93
95
97
100
84
71
56
71
59
99
99
99
100
80
58
45
52
59
44
40
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 (%)

2
2
2
3
1
1
1
6
23
12
13
27
15
32
31
20
33
42
47
47
44
46
48
45

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
6
6
7
7
8
8
9
11
11
12
12
11
12
11
12
11
11
10
10
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
64
72
76
81
85
85
83
77
71
64
62
65
67
58
52
47
48
50
53
61
74
86
87

Pressure (mb)

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

Ozone (du)

317
312
308
305
303
302
302
301
301
303
303
303
302
303
303
304
305
304
303
301
300
299
297
299

Friday 18

First Quarter 49%

16:03

22:48

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

Sun - Rise: 07:23, Set: 19:49, Transit: 13:36. Moon - Rise: 16:03, Set: 22:48. Civil Dark: 20:22 - 06:50. Nautical Dark: 21:01 - 06:11. Astro Dark: 21:42 - 05:30

Total Clouds (% Sky Obscured)

94
86
80
70
65
62
63
66
69
72
69
72
73
69
60
54
54
56
73
86
93
99
97
95

Low Clouds (% Sky Obscured)

47
41
34
28
26
24
25
20
16
15
9
7
5
34
60
54
54
56
73
56
30
3
2
1

Medium Clouds (% Sky Obscured)

94
78
62
43
53
62
63
66
69
69
49
29
15
14
8
1
1
0
0
14
29
44
32
19

High Clouds (% Sky Obscured)

40
27
19
12
12
14
15
16
19
24
41
58
73
47
22
2
26
56
73
86
93
96
92
93

ISS Passover

Visibility (miles)

9
8
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 (%)

38
29
22
13
9
5
0
1
1
1
3
3
2
2
3
2
12
15
15
10
6
0
2
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)

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

Chance of Frost

Temperature (°C)

14
13
13
12
11
11
11
11
12
14
15
16
17
18
18
18
18
17
16
16
15
14
13
13

Feels Like (°C)

12
13
10
11
11
11
11
11
9
10
10
10
11
11
18
17
16
16
15
15
12
12
13
12

Dew Point (°C)

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

Relative Humidity (%)

92
93
92
92
90
90
90
88
79
69
62
55
49
43
46
50
53
56
58
59
62
65
69
74

Pressure (mb)

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

Ozone (du)

300
301
303
304
306
307
307
308
307
306
305
305
304
303
302
302
301
301
301
301
300
299
298
297

Saturday 19

Waxing Gibbous 59%

16:51

23:47

Sun - Rise: 07:24, Set: 19:47, Transit: 13:36. Moon - Rise: 16:51, Set: 23:47. Civil Dark: 20:20 - 06:52. Nautical Dark: 20:59 - 06:13. Astro Dark: 21:40 - 05:32

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 13/09/26 01:11:19. Forecast: 13/09/26 to 19/09/26. Timezone: UTC+2.00