Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Gibbous 88%

20:14

12:51

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:58, Set: 19:00, Transit: 13:29. Moon - Rise: 20:14, Set: 12:51. Civil Dark: 19:33 - 07:25. Nautical Dark: 20:11 - 06:47. Astro Dark: 20:49 - 06:09

Total Clouds (% Sky Obscured)

56
55
52
100
100
95
96
88
86
86
88
86
86
79
75
71
67
72
74
70
75
76
71
55

Low Clouds (% Sky Obscured)

56
55
52
78
84
74
75
74
77
78
82
85
85
79
75
71
67
72
74
70
75
76
71
51

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)

11
18
52
100
100
32
5
9
23
37
34
12
16
13
1
1
1
1
2
1
1
1
1
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
1
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
87
87
88
90
90
92
90
90
88
86
79
73
66
61
57
55
55
57
64
73
80
86

Pressure (mb)

1030
1030
1030
1030
1031
1031
1031
1031
1031
1031
1032
1032
1033
1033
1033
1033
1033
1033
1032
1032
1032
1033
1033
1033

Ozone (du)

266
267
266
266
265
266
266
266
266
265
263
262
263
263
263
262
262
262
262
262
261
262
263
263

Friday 10

Waning Gibbous 78%

21:03

14:14

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 08:00, Set: 18:58, Transit: 13:29. Moon - Rise: 21:03, Set: 14:14. Civil Dark: 19:30 - 07:27. Nautical Dark: 20:09 - 06:49. Astro Dark: 20:47 - 06:10

Total Clouds (% Sky Obscured)

57
76
88
92
93
93
90
95
86
95
95
95
99
96
100
100
67
63
61
71
100
89
62
59

Low Clouds (% Sky Obscured)

53
72
84
92
93
93
87
83
86
95
94
95
88
80
78
70
66
63
61
68
66
53
56
56

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
32
50
0
0
0
0
1
25
36
9

High Clouds (% Sky Obscured)

0
1
0
0
0
1
18
95
86
85
76
81
95
82
82
80
7
0
0
14
100
77
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
3
0
0
0
0
0
0
0
0
0
0
0
1
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
3
3
3
3
2
2
3
4
3
4
4
5
5
5
5
6
6
5
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
90
90
92
92
92
92
92
92
93
90
80
75
69
63
58
56
55
56
62
70
75
80

Pressure (mb)

1033
1033
1034
1034
1034
1034
1033
1033
1033
1033
1033
1034
1034
1034
1034
1034
1033
1033
1032
1032
1032
1032
1032
1032

Ozone (du)

263
263
263
264
264
263
262
263
263
264
264
266
267
269
269
269
269
268
267
267
267
266
265
265

Saturday 11

Waning Gibbous 68%

No Rise

15:19

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 08:01, Set: 18:55, Transit: 13:28. Moon - Rise: No Rise, Set: 15:19. Civil Dark: 19:28 - 07:28. Nautical Dark: 20:06 - 06:50. Astro Dark: 20:45 - 06:12

Total Clouds (% Sky Obscured)

49
63
69
57
60
57
63
64
67
82
65
86
79
80
51
55
62
55
59
62
65
64
69
62

Low Clouds (% Sky Obscured)

47
58
64
50
53
57
61
64
67
71
65
70
66
55
47
47
50
55
59
53
43
27
33
43

Medium Clouds (% Sky Obscured)

2
2
2
2
2
3
16
6
15
48
4
55
45
66
27
30
34
8
10
14
18
18
16
16

High Clouds (% Sky Obscured)

0
0
0
5
5
0
5
5
8
3
1
0
0
2
0
2
10
18
25
17
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
86
87
90
90
91
93
95
95
96
93
86
79
71
62
56
51
48
49
54
63
70
74

Pressure (mb)

1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1029
1029
1029
1029
1029
1029

Ozone (du)

265
264
264
263
263
261
260
260
260
260
261
260
260
260
260
261
261
261
261
262
262
262
262
263

Sunday 12

Waning Gibbous 56%

22:09

16:06

22 Bad
23 Bad
00 Bad
01 OK
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 OK
19 OK
20 OK
21 OK

Sun - Rise: 08:03, Set: 18:53, Transit: 13:28. Moon - Rise: 22:09, Set: 16:06. Civil Dark: 19:26 - 07:30. Nautical Dark: 20:04 - 06:52. Astro Dark: 20:43 - 06:14

Total Clouds (% Sky Obscured)

56
53
54
46
52
61
67
69
83
96
97
95
97
97
96
96
96
89
70
63
48
36
28
42

Low Clouds (% Sky Obscured)

49
51
49
46
49
51
52
65
78
94
93
92
93
94
95
95
87
75
52
49
39
35
28
42

Medium Clouds (% Sky Obscured)

13
10
9
8
11
16
20
30
36
34
26
18
11
9
4
0
16
32
48
35
20
7
5
2

High 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

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
1
0
3
3
0
3
15
5
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
81
84
87
88
90
90
91
93
93
91
92
90
90
83
73
64
59
54
54
60
69
75
81

Pressure (mb)

1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

264
265
265
265
266
268
269
269
269
270
271
271
271
272
271
271
271
271
270
270
270
270
268
268

Monday 13

Third Quarter 45%

23:27

16:37

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

Sun - Rise: 08:05, Set: 18:51, Transit: 13:28. Moon - Rise: 23:27, Set: 16:37. Civil Dark: 19:24 - 07:32. Nautical Dark: 20:02 - 06:54. Astro Dark: 20:41 - 06:15

Total Clouds (% Sky Obscured)

74
76
78
83
86
90
94
96
97
100
66
43
17
15
11
7
15
24
33
32
34
30
34
42

Low Clouds (% Sky Obscured)

69
74
78
83
86
90
94
96
97
100
66
43
17
15
11
7
13
13
10
12
11
8
15
23

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
2
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
68
64
61
60
56
57
58
58
63
72
70
67
65
61
57
55
57
59
62
67
74
79
81

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

268
267
266
265
265
264
264
263
263
263
262
264
266
268
269
270
271
271
270
270
269
268
267
267

Tuesday 14

Waning Crescent 34%

00:50

16:58

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

Sun - Rise: 08:06, Set: 18:49, Transit: 13:28. Moon - Rise: 00:50, Set: 16:58. Civil Dark: 19:22 - 07:33. Nautical Dark: 20:00 - 06:55. Astro Dark: 20:38 - 06:17

Total Clouds (% Sky Obscured)

50
53
53
52
56
65
75
78
83
86
77
60
46
45
49
52
50
45
39
40
37
38
42
46

Low Clouds (% Sky Obscured)

25
24
28
27
38
52
64
72
78
82
74
60
46
45
49
52
50
45
39
40
37
38
42
46

Medium Clouds (% Sky Obscured)

5
4
5
3
3
5
6
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
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 (%)

0
0
0
0
1
1
1
3
3
2
3
2
0
1
1
0
0
0
0
1
1
2
6
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
87
88
90
85
83
78
78
77
76
73
71
69
66
65
63
64
66
68
73
76
81
81

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025

Ozone (du)

267
267
267
267
267
266
266
265
266
266
266
267
267
268
268
267
267
266
266
266
267
267
267
267

Wednesday 15

Waning Crescent 24%

02:11

17:14

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK
13 Good

Sun - Rise: 08:08, Set: 18:47, Transit: 13:28. Moon - Rise: 02:11, Set: 17:14. Civil Dark: 19:20 - 07:35. Nautical Dark: 19:58 - 06:57. Astro Dark: 20:36 - 06:19

Total Clouds (% Sky Obscured)

53
57
61
67
71
78
85
83
78
71
56
38
24
22
19
16

Low Clouds (% Sky Obscured)

50
57
61
65
71
78
85
83
78
71
56
38
24
22
19
16

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
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

Fog (%)

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

Precipitation Probability (%)

7
7
7
8
8
5
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
10
9
9
9
9
9
9
10
9
9
10
10
11

Dew Point (°C)

8
8
8
7
7
7
6
6
7
7
7
7
7
7
7
7

Relative Humidity (%)

81
80
81
80
80
78
76
74
80
84
90
82
76
70
65
61

Pressure (mb)

1025
1026
1025
1025
1025
1025
1025
1025
1025
1025
1024
1025
1025
1025
1025
1024

Ozone (du)

267
267
267
268
268
269
269
269
269
269
269
269
269
269
270
270

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

Generated: 09/10/25 22:00:26. Forecast: 09/10/25 to 15/10/25. Timezone: UTC+2.00