Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 11

New Moon 2%

08:48

19:58

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

Sun - Rise: 07:14, Set: 20:05, Transit: 13:38. Moon - Rise: 08:48, Set: 19:58. Civil Dark: 20:38 - 06:40. Nautical Dark: 21:18 - 06:00. Astro Dark: 22:01 - 05:18

Total Clouds (% Sky Obscured)

92
80
65
51
55
60
32
38
39
31
36
63
52
63
100
87
72
64
72
95
83
100
74
100

Low Clouds (% Sky Obscured)

61
71
58
51
53
54
30
21
24
24
24
29
37
50
50
40
40
31
30
30
34
25
21
15

Medium Clouds (% Sky Obscured)

27
18
17
2
3
9
0
3
4
0
0
0
0
0
0
0
0
0
0
0
11
2
3
10

High Clouds (% Sky Obscured)

3
10
2
0
2
2
0
7
0
0
15
52
32
19
70
57
60
55
72
83
42
100
72
99

ISS Passover

Visibility (miles)

9
5
8
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
9
39
56
68
84
91
91
33
1
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 (%)

7
1
23
1
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0.3
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
6
3
3
3
3
2
1
2
3
3
3
4
4
4
5
7
8
9
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
19
18
17
17
16
16
17
16
15
14
14
14
13
12
14
17
19
19
19
19
20
21

Dew Point (°C)

13
14
15
15
13
13
13
12
12
11
11
11
11
11
11
12
12
13
13
11
11
9
8
9

Relative Humidity (%)

62
68
76
81
79
82
83
86
86
86
87
87
89
90
90
90
86
77
70
59
53
45
41
41

Pressure (mb)

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

Ozone (du)

315
316
316
317
317
315
315
315
319
318
315
311
309
306
304
301
301
300
299
298
296
295
295
295

Saturday 12

Waxing Crescent 7%

10:06

20:11

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
16 Bad

Sun - Rise: 07:15, Set: 20:03, Transit: 13:38. Moon - Rise: 10:06, Set: 20:11. Civil Dark: 20:36 - 06:42. Nautical Dark: 21:16 - 06:02. Astro Dark: 21:58 - 05:20

Total Clouds (% Sky Obscured)

86
90
67
62
72
72
80
88
76
99
98
98
100
100
100
100
100
100
100
100
99
93
88
84

Low Clouds (% Sky Obscured)

24
32
0
11
27
41
67
84
76
48
54
56
46
93
85
93
93
90
92
94
99
90
88
83

Medium Clouds (% Sky Obscured)

10
11
7
7
8
15
17
16
14
70
48
83
83
98
98
100
100
100
98
100
93
91
53
15

High Clouds (% Sky Obscured)

49
23
25
7
8
2
12
10
2
96
18
54
100
100
100
100
71
100
85
100
30
30
29
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
3
3
7
9
0
4
3
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
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
1
1
1
4
2
7
5
7
10
11
49
66
95
95
95
95
95
63
52
52
57

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
2.3
4.2
4.5
1.1
0.4
0
0.2
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
22
20
19
18
17
17
16
16
16
16
16
16
16
16
16
16
16
17
18
19
19
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

40
41
47
54
59
65
70
72
74
77
80
85
85
87
85
86
95
96
96
96
96
96
96
93

Pressure (mb)

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

Ozone (du)

296
297
298
299
301
300
299
300
298
297
297
297
297
296
294
294
294
295
296
298
301
308
310
308

Sunday 13

Waxing Crescent 13%

11:24

20:25

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:17, Set: 20:01, Transit: 13:38. Moon - Rise: 11:24, Set: 20:25. Civil Dark: 20:34 - 06:44. Nautical Dark: 21:14 - 06:04. Astro Dark: 21:56 - 05:22

Total Clouds (% Sky Obscured)

59
75
68
65
57
25
91
70
71
92
100
100
100
98
98
83
91
83
75
85
93
89
73
73

Low Clouds (% Sky Obscured)

52
75
62
63
22
12
11
11
19
32
43
70
75
80
78
69
73
57
41
57
54
51
49
39

Medium Clouds (% Sky Obscured)

4
3
8
0
0
0
0
13
1
33
60
54
17
39
23
7
3
3
6
15
17
20
20
20

High Clouds (% Sky Obscured)

0
0
1
9
40
15
86
57
52
63
98
100
100
96
67
33
64
45
49
36
67
63
32
26

ISS Passover

Visibility (miles)

9
7
8
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 (%)

51
44
23
12
3
1
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
22
21
19
18
18
18
16
16
15
14
14
14
14
14
13
15
16
18
19
21
22
22
23

Dew Point (°C)

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

Relative Humidity (%)

85
81
80
84
85
90
92
95
96
96
96
96
96
96
95
95
89
83
77
70
62
57
53
51

Pressure (mb)

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

Ozone (du)

301
298
296
295
294
292
292
291
289
288
287
286
285
284
283
284
283
283
282
282
282
281
280
281

Monday 14

Waxing Crescent 21%

12:41

20:41

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

Sun - Rise: 07:18, Set: 19:58, Transit: 13:37. Moon - Rise: 12:41, Set: 20:41. Civil Dark: 20:31 - 06:45. Nautical Dark: 21:11 - 06:06. Astro Dark: 21:53 - 05:24

Total Clouds (% Sky Obscured)

63
41
36
32
25
20
20
22
21
33
57
67
55
23
2
20
42
83
90
79
98
90
81
87

Low Clouds (% Sky Obscured)

34
27
22
23
21
20
20
19
19
21
23
22
13
7
0
0
0
0
5
9
13
15
15
15

Medium Clouds (% Sky Obscured)

19
18
14
10
3
0
0
0
0
0
2
20
36
4
2
8
9
18
19
61
90
80
72
84

High Clouds (% Sky Obscured)

10
1
1
0
0
0
2
3
4
16
39
37
25
14
1
10
27
57
68
46
47
20
10
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
5
1
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
2
20
19
13

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

Chance of Frost

Temperature (°C)

23
23
22
20
19
18
18
17
17
16
16
16
16
16
16
16
18
20
22
23
24
25
25
25

Feels Like (°C)

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

Dew Point (°C)

12
12
14
14
14
13
13
12
12
11
12
12
12
13
12
13
13
13
13
13
13
14
13
12

Relative Humidity (%)

50
51
59
66
70
71
72
73
73
73
75
78
79
81
79
78
72
64
58
54
50
48
46
45

Pressure (mb)

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

Ozone (du)

282
283
282
283
284
283
282
283
284
288
287
286
285
285
285
285
284
282
282
285
289
290
289
289

Tuesday 15

Waxing Crescent 21%

13:55

21:01

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
16 Bad

Sun - Rise: 07:20, Set: 19:56, Transit: 13:37. Moon - Rise: 13:55, Set: 21:01. Civil Dark: 20:29 - 06:47. Nautical Dark: 21:09 - 06:07. Astro Dark: 21:50 - 05:26

Total Clouds (% Sky Obscured)

88
88
74
91
58
85
90
79
66
66
65
65
67
72
75
62
61
65
70
69
72
79
84
89

Low Clouds (% Sky Obscured)

20
25
31
36
36
40
53
61
66
66
65
65
67
71
75
56
41
23
24
26
35
48
61
74

Medium Clouds (% Sky Obscured)

81
36
54
86
29
21
90
79
48
53
65
65
62
2
2
1
1
1
2
5
10
11
12
9

High Clouds (% Sky Obscured)

65
65
7
0
0
27
30
35
19
30
35
35
35
40
0
25
57
65
65
39
12
31
47
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
3
1
1
1
3
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
15
12
21
34
52
68
95
95
95
95
87
65
39
12
19
20
21
36
43
35
40
38
29

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
1.9
1.9
1.9
6.6
0.6
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
24
22
21
19
18
17
16
16
16
15
14
14
14
13
13
15
16
16
17
18
19
18
18

Feels Like (°C)

23
23
23
21
19
19
17
16
16
16
14
13
13
12
12
12
13
13
14
15
15
16
18
17

Dew Point (°C)

12
12
13
14
16
15
15
16
15
15
14
14
13
12
12
11
12
11
11
10
9
9
10
10

Relative Humidity (%)

44
49
55
66
82
86
92
95
96
96
96
96
93
92
90
89
82
74
68
63
57
53
57
61

Pressure (mb)

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

Ozone (du)

288
289
289
288
289
292
293
293
292
295
296
300
305
312
318
324
327
329
332
335
339
342
340
339

Wednesday 16

Waxing Crescent 30%

15:04

21:27

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
16 Bad

Sun - Rise: 07:21, Set: 19:54, Transit: 13:36. Moon - Rise: 15:04, Set: 21:27. Civil Dark: 20:27 - 06:48. Nautical Dark: 21:06 - 06:09. Astro Dark: 21:48 - 05:28

Total Clouds (% Sky Obscured)

88
90
94
83
72
62
71
77
81
84
86
89
86
84
79
83
88
93
90
87
86
90
94
95

Low Clouds (% Sky Obscured)

80
85
87
78
70
62
47
31
16
15
18
22
26
34
40
38
31
22
31
45
60
73
85
95

Medium Clouds (% Sky Obscured)

7
3
2
0
0
0
0
0
0
21
38
57
62
63
68
66
58
51
54
61
72
57
46
36

High Clouds (% Sky Obscured)

45
24
15
15
14
15
35
53
72
75
71
68
69
65
61
59
66
76
52
34
16
25
32
40

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
8
6

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 (%)

24
16
9
2
2
1
4
3
1
1
0
0
0
0
0
0
0
0
5
9
11
21
26
29

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
15
14
12
12
12
12
12
12
8
8
8
8
8
8
8
9
10
11
11
12
15
15

Dew Point (°C)

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

Relative Humidity (%)

66
66
66
65
67
69
71
73
76
77
76
75
73
73
72
71
69
67
65
67
70
71
73
77

Pressure (mb)

1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017

Ozone (du)

337
329
321
313
310
307
304
302
300
298
297
295
293
293
294
294
296
297
298
297
295
294
294
294

Thursday 17

Waxing Crescent 39%

16:03

22:02

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

Sun - Rise: 07:23, Set: 19:52, Transit: 13:36. Moon - Rise: 16:03, Set: 22:02. Civil Dark: 20:24 - 06:50. Nautical Dark: 21:04 - 06:11. Astro Dark: 21:45 - 05:30

Total Clouds (% Sky Obscured)

95
95
94
83
73
65
59
56
51
54
53
53
53
56
55
62
70
77
75
73
71

Low Clouds (% Sky Obscured)

95
95
94
78
59
38
34
30
29
27
23
21
21
24
27
20
16
12
14
17
16

Medium Clouds (% Sky Obscured)

35
34
33
25
12
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2

High Clouds (% Sky Obscured)

53
68
85
62
42
24
16
9
0
3
7
16
25
39
55
62
70
77
75
60
44

ISS Passover

Visibility (miles)

4
5
7
8
8
8
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

33
38
42
39
39
39
36
29
20
17
14
8
4
0
0
0
0
0
1
3
2

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
15
14
14
13
13
13
12
11
11
10
10
9
9
10
9
10
9
9

Relative Humidity (%)

79
83
86
90
92
93
95
93
95
95
92
92
90
90
88
88
81
73
67
61
55

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018

Ozone (du)

293
295
296
298
300
302
303
304
305
305
304
302
301
301
302
302
302
303
303
300
298

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

Generated: 11/09/26 16:37:23. Forecast: 11/09/26 to 17/09/26. Timezone: UTC+2.00