Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 12

Third Quarter 39%

00:17

14:21

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
01 Bad
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:56, Set: 16:59, Transit: 12:26. Moon - Rise: 00:17, Set: 14:21. Civil Dark: 17:35 - 07:20. Nautical Dark: 18:14 - 06:40. Astro Dark: 18:53 - 06:01

Total Clouds (% Sky Obscured)

64
73
67
83
100
95
93
76
96
100
100
100
100
100
99
76
74
26
100
94
85
95
93
100

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)

2
2
0
2
0
2
0
0
0
0
0
0
0
0
0
2
0
0
9
13
34
38
32
40

High Clouds (% Sky Obscured)

64
73
67
72
100
95
93
76
96
100
100
100
100
100
93
76
74
26
100
86
49
71
41
36

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
66
61
58
56
57
60
63
66
69
71
74
72
71
74
74
71
69
68
68
71
71
72
75

Pressure (mb)

1011
1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1009
1009
1009
1010

Ozone (du)

263
264
264
265
265
265
266
266
265
266
266
266
265
265
264
264
262
263
264
264
264
263
263
264

Thursday 13

Waning Crescent 30%

01:33

14:35

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:57, Set: 16:57, Transit: 12:26. Moon - Rise: 01:33, Set: 14:35. Civil Dark: 17:33 - 07:21. Nautical Dark: 18:13 - 06:41. Astro Dark: 18:52 - 06:02

Total Clouds (% Sky Obscured)

99
89
98
98
100
100
99
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

0
0
0
31
47
69
79
57
51
66
51
10
0
8
17
38
35
0
0
6
0
0
3
9

Medium Clouds (% Sky Obscured)

39
31
44
62
43
33
35
27
86
69
97
100
100
100
100
99
100
100
100
100
99
100
86
92

High Clouds (% Sky Obscured)

93
53
65
21
61
92
29
17
21
56
82
95
64
34
47
100
100
100
100
100
100
100
100
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
8
9
7
9
9
9
9
9
6
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
5
9
13
41
51
31
41
53
16
22
20
53
69
59
54
40
22
16
20
17
13
13
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
14
14
14
12
11
9
7
7
7
6
6
4
3
2
1
1
4
4
5
6
8
9

Chance of Frost

Temperature (°C)

12
13
13
14
14
14
14
13
13
13
13
13
13
13
12
12
12
12
12
13
13
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
70
65
62
60
61
63
65
72
76
79
82
79
83
87
89
89
90
90
90
90
93
96
95

Pressure (mb)

1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1009
1009
1009
1009

Ozone (du)

266
265
266
268
270
271
270
272
273
275
277
276
276
276
276
276
278
278
277
276
277
277
278
280

Friday 14

Waning Crescent 21%

02:45

14:46

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:59, Set: 16:56, Transit: 12:27. Moon - Rise: 02:45, Set: 14:46. Civil Dark: 17:32 - 07:23. Nautical Dark: 18:12 - 06:43. Astro Dark: 18:51 - 06:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
98
96
94
93
92
92
93
95

Low Clouds (% Sky Obscured)

10
10
5
5
5
5
4
4
7
10
17
78
80
57
81
87
83
77
71
74
77
84
87
89

Medium Clouds (% Sky Obscured)

100
100
100
100
50
57
100
100
100
80
100
100
98
98
97
100
98
96
94
90
86
86
87
85

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
89
100
26
24
30
37
44
34
29
25
22
23

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
5
9
6
4
8
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
Light Rain
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

8
5
3
0
6
18
0
0
0
1
2
23
65
55
55
69
82
81
79
87
95
84
66
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0
0.4
0.5
0.6
0.4
0.3
0.8
0.5
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
90
87
86
85
86
87
89
87
86
86
86
86
86
87
88
90
90
91
91
93
93
93

Pressure (mb)

1009
1009
1009
1008
1008
1007
1007
1007
1007
1007
1008
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009

Ozone (du)

282
284
284
283
282
283
284
285
285
286
286
287
288
289
290
292
294
294
294
293
293
292
292
291

Saturday 15

Waning Crescent 21%

03:56

14:57

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:01, Set: 16:55, Transit: 12:27. Moon - Rise: 03:56, Set: 14:57. Civil Dark: 17:31 - 07:24. Nautical Dark: 18:11 - 06:44. Astro Dark: 18:50 - 06:05

Total Clouds (% Sky Obscured)

97
98
99
100
99
100
100
99
100
100
95
91
86
91
96
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

92
94
97
99
93
87
81
77
74
72
73
78
85
91
95
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

63
17
45
42
20
38
21
26
27
22
15
7
0
2
5
6
10
13
15
11
6
2
10
17

High Clouds (% Sky Obscured)

27
24
34
49
68
82
100
99
100
100
67
33
0
0
0
0
0
0
2
3
4
2
27
56

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 (%)

32
28
33
20
15
11
8
7
9
4
4
3
1
5
4
2
3
3
1
5
6
6
3
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
9
9
9
9
9
9
8
7
7
7
7
7
8
8
8
8
7
7
8
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
91
92
90
90
90
90
91
91
91
91
90
91
91
91
90
90
90
90
90
90
91
91

Pressure (mb)

1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010

Ozone (du)

289
289
288
288
289
289
288
287
286
287
288
287
285
285
284
284
284
284
285
284
284
285
286
287

Sunday 16

Waning Crescent 13%

05:06

15:08

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK
08 OK

Sun - Rise: 08:02, Set: 16:53, Transit: 12:27. Moon - Rise: 05:06, Set: 15:08. Civil Dark: 17:30 - 07:26. Nautical Dark: 18:10 - 06:45. Astro Dark: 18:49 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
82
67
60
54
54
53
59
64
69
59
53
42
33
29

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
68
36
3
18
32
47
46
44
38
35
27
19
16
16

Medium Clouds (% Sky Obscured)

24
26
26
22
33
46
60
66
58
62
54
40
60
53
31
9
6
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

83
88
94
100
100
97
97
99
100
100
33
16
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
8
9
8
25
31
17
56
65
50
16
13
7
6
4
0
10
15
19
19
17
14
18
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
10
10
10
10
10
10
10
11
10
9
7
5
3
2
3
3
4
5
5
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
2
2
2
2
2
1
1
0
-0
-1
-1
-1
-1
-2
2
2
2
2
3
3
2

Dew Point (°C)

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

Relative Humidity (%)

91
90
88
88
85
85
83
82
78
68
62
64
66
68
68
68
68
73
79
85
82
80
78
76

Pressure (mb)

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

Ozone (du)

290
292
294
296
296
296
296
297
302
307
304
301
298
295
290
285
280
278
277
275
278
280
282
282

Monday 17

Waning Crescent 7%

06:17

15:20

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

Sun - Rise: 08:04, Set: 16:52, Transit: 12:27. Moon - Rise: 06:17, Set: 15:20. Civil Dark: 17:29 - 07:27. Nautical Dark: 18:09 - 06:47. Astro Dark: 18:48 - 06:08

Total Clouds (% Sky Obscured)

25
32
44
57
56
45
34
31
30
31
31
36
33
39
43
47
46
46
45
48
51
54
50
46

Low Clouds (% Sky Obscured)

21
32
44
57
56
45
28
28
29
31
30
26
27
35
38
44
42
42
41
43
46
50
47
45

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)

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

ISS Passover

Visibility (miles)

8
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

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 (%)

26
30
32
32
28
20
3
6
5
0
1
2
1
3
3
1
5
4
1
4
5
3
7
8

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
10
10
10
10
10
10
10
8
6
4
4
3
3
3
3
3
3
2
2
2
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
2
3
3
3
3
3
3
3
2
2
3
3
2
2
2
2
1
1
1
1
1

Dew Point (°C)

1
2
1
-0
-2
-1
-1
-1
-1
-1
-1
-1
-2
-2
-1
-1
0
1
1
1
1
0
-0
-0

Relative Humidity (%)

72
71
65
58
52
54
55
56
59
62
66
67
66
67
72
75
80
83
86
88
89
88
88
85

Pressure (mb)

1018
1019
1019
1019
1020
1020
1020
1021
1021
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

281
281
281
281
282
281
281
280
281
281
281
273
265
257
259
261
263
268
273
278
278
278
278
278

Tuesday 18

Waning Crescent 3%

07:30

15:34

09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:06, Set: 16:51, Transit: 12:27. Moon - Rise: 07:30, Set: 15:34. Civil Dark: 17:28 - 07:29. Nautical Dark: 18:08 - 06:48. Astro Dark: 18:47 - 06:09

Total Clouds (% Sky Obscured)

42
34
26
21
20
23
25
30
39
45
54
55
51
64
78
92

Low Clouds (% Sky Obscured)

41
30
20
10
7
5
2
10
18
29
46
55
51
64
78
89

Medium Clouds (% Sky Obscured)

0
4
7
10
19
23
25
30
39
45
38
20
0
0
0
0

High Clouds (% Sky Obscured)

1
6
13
21
20
23
25
30
39
40
25
10
0
1
2
2

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 (%)

5
10
11
5
7
4
1
2
3
2
6
7
7
6
6
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
2
6
4
4
3
2
2
-1
0
0
0
0

Dew Point (°C)

0
0
-0
-1
-1
-0
0
0
-1
-1
-1
-1
-2
-2
-2
-1

Relative Humidity (%)

82
79
70
61
56
58
61
63
65
68
73
72
69
69
69
72

Pressure (mb)

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

Ozone (du)

279
280
284
288
292
292
292
293
293
293
292
293
293
293
290
286

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

Generated: 12/11/25 09:18:04. Forecast: 12/11/25 to 18/11/25. Timezone: UTC+1.00