Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 26

Waxing Crescent 34%

13:09

22:11

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
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

Sun - Rise: 08:16, Set: 16:43, Transit: 12:30. Moon - Rise: 13:09, Set: 22:11. Civil Dark: 17:21 - 07:40. Nautical Dark: 18:02 - 06:59. Astro Dark: 18:41 - 06:19

Total Clouds (% Sky Obscured)

98
98
78
70
79
77
69
72
62
36
25
85
87
100
100
96
98
90
97
94
100
100
100
100

Low Clouds (% Sky Obscured)

98
98
78
70
79
76
62
58
52
30
25
37
65
76
69
60
53
54
46
45
41
64
50
73

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
70
66
83
97
84
89
91
74
37
94
61

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
6
5
69
62
100
98
33
13
15
11
38
86
100
97
100

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 (%)

100
100
56
64
22
14
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
0
0
0
0
0
0
1
4
14

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
3
3
2
2
3
3
3
3
4
5
5
6
6
7
7
8
7
9
9
10
12

Chance of Frost

Temperature (°C)

3
3
4
4
4
4
4
4
4
4
3
2
2
1
2
3
3
3
3
3
3
3
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
79
77
75
71
67
66
68
76
82
85
85
84
86
88
88
88
86
88
86
85
88
88
88

Pressure (mb)

1019
1020
1021
1022
1022
1021
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1020

Ozone (du)

297
299
302
301
299
298
297
296
292
290
288
288
284
282
281
281
280
278
277
277
275
274
272
272

Thursday 27

Waxing Crescent 44%

13:25

23:29

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

Sun - Rise: 08:18, Set: 16:42, Transit: 12:30. Moon - Rise: 13:25, Set: 23:29. Civil Dark: 17:20 - 07:41. Nautical Dark: 18:01 - 07:00. Astro Dark: 18:41 - 06:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
99
98
95
95
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
99
100
100
91
96
100
100
97
98
100
99
87
91
94
88
93
87
92
92
92
100
100
99

Medium Clouds (% Sky Obscured)

34
80
75
38
47
40
32
32
43
28
19
20
22
32
74
57
82
87
87
90
99
99
60
58

High Clouds (% Sky Obscured)

100
100
93
96
75
78
96
96
69
56
90
88
96
94
89
80
44
52
8
95
96
87
92
89

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

16
8
6
15
41
37
14
33
48
73
95
76
60
43
6
7
7
22
13
30
48
48
39
66

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.6
1.3
0.9
0.6
0.3
0
0
0
0
0
0
0.2
0
0
0.3

Wind Speed/Direction (mph)

13
13
14
15
15
15
15
15
15
14
14
14
14
14
14
13
14
14
14
14
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
80
79
76
79
82
83
88
89
88
91
91
93
93
93
91
91
91
91
91
91
91
93

Pressure (mb)

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

Ozone (du)

271
269
268
267
266
266
266
265
264
262
261
261
259
259
259
259
258
258
259
260
261
261
258
257

Friday 28

First Quarter 55%

13:39

00:48

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

Sun - Rise: 08:19, Set: 16:41, Transit: 12:30. Moon - Rise: 13:39, Set: 00:48. Civil Dark: 17:19 - 07:43. Nautical Dark: 18:01 - 07:01. Astro Dark: 18:40 - 06:22

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
97
59
59
56
52
44
45
34
12
56
77
100
93

Low Clouds (% Sky Obscured)

87
86
100
94
87
88
91
78
84
81
63
55
56
56
56
52
7
7
8
9
17
25
30
29

Medium Clouds (% Sky Obscured)

29
27
91
75
87
97
100
100
100
95
55
21
12
18
7
0
26
45
34
4
12
77
95
93

High Clouds (% Sky Obscured)

99
96
78
100
100
100
100
100
100
51
100
70
1
0
0
1
10
10
1
1
10
17
20
29

ISS Passover

Visibility (miles)

6
5
5
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

Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

76
69
44
36
17
19
28
23
20
13
7
4
2
19
9
3
0
0
0
0
0
1
0
1

Precipitation Amount (mm)

0.5
0.5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
95
95
93
95
95
93
88
88
91
93
95
95
95
95
95
94
93
93
93
91
91
93

Pressure (mb)

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

Ozone (du)

256
256
258
261
263
265
266
265
265
267
271
273
275
276
276
274
274
276
278
280
282
283
284
286

Saturday 29

Waxing Gibbous 66%

13:52

02:09

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

Sun - Rise: 08:21, Set: 16:41, Transit: 12:31. Moon - Rise: 13:52, Set: 02:09. Civil Dark: 17:19 - 07:44. Nautical Dark: 18:00 - 07:02. Astro Dark: 18:40 - 06:23

Total Clouds (% Sky Obscured)

86
81
87
92
99
99
99
99
99
99
99
99
100
100
92
84
78
83
89
95
95
95
95
95

Low Clouds (% Sky Obscured)

30
28
34
38
42
39
36
32
45
61
75
78
84
91
82
73
61
71
83
90
91
92
92
93

Medium Clouds (% Sky Obscured)

86
81
87
92
99
99
96
80
91
91
98
99
99
100
82
67
55
48
51
53
64
77
88
87

High Clouds (% Sky Obscured)

41
58
45
42
31
44
63
83
62
41
20
46
73
100
79
61
41
27
17
5
5
5
5
5

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

1
0
0
0
0
1
4
14
53
80
78
88
95
95
95
95
95
95
95
82
72
79
79
71

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.6
0.5
0.6
0.6
1.2
1.3
1.8
1.3
0.8
1
0.6
0.4
0.4
0.4
0.3

Wind Speed/Direction (mph)

11
11
13
13
13
13
13
13
13
12
12
10
7
9
10
10
11
10
9
9
7
7
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
2
3
3
4
3
3
3
3
4
5
4
4
3
3
3
3
3
3
3
2
3

Dew Point (°C)

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

Relative Humidity (%)

91
90
86
84
79
78
75
77
81
85
90
90
93
93
94
94
93
91
91
93
94
96
94
94

Pressure (mb)

1012
1012
1011
1011
1010
1009
1008
1007
1006
1006
1005
1004
1004
1004
1003
1003
1003
1004
1004
1004
1004
1004
1005
1005

Ozone (du)

288
289
291
293
295
297
299
299
300
301
302
304
305
308
313
318
324
331
336
338
341
345
345
342

Sunday 30

Waxing Gibbous 77%

14:05

03:33

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 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK

Sun - Rise: 08:22, Set: 16:40, Transit: 12:31. Moon - Rise: 14:05, Set: 03:33. Civil Dark: 17:18 - 07:45. Nautical Dark: 18:00 - 07:04. Astro Dark: 18:39 - 06:24

Total Clouds (% Sky Obscured)

95
95
95
95
95
96
87
87
71
68
67
50
45
36
39
38
36
28
24
19
25
28
30
40

Low Clouds (% Sky Obscured)

92
93
93
75
68
67
64
65
67
65
62
38
33
35
38
38
36
28
24
19
25
28
28
38

Medium Clouds (% Sky Obscured)

88
88
88
89
91
89
65
64
47
35
35
45
44
21
13
13
9
6
2
0
0
1
1
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
1
2
3
15

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

65
50
47
45
56
50
39
35
37
45
48
7
6
1
3
1
0
2
1
1
1
1
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
8
9
9
11
11
10
8
7
7
7
3
3
2
1
2
3
4
4
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
4
4
5
5
4
5
5
5
5
5
4
4
4
4
4
4
3
2
2
2
2
1

Dew Point (°C)

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

Relative Humidity (%)

90
88
90
88
85
78
74
74
76
78
78
78
78
79
77
79
79
77
80
82
83
83
83
84

Pressure (mb)

1006
1007
1008
1008
1009
1009
1010
1011
1011
1012
1013
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

340
340
341
341
341
343
343
341
342
346
344
342
341
340
340
335
331
327
322
318
313
311
309
306

Monday 1

Waxing Gibbous 86%

14:19

05:01

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

Sun - Rise: 08:23, Set: 16:39, Transit: 12:31. Moon - Rise: 14:19, Set: 05:01. Civil Dark: 17:18 - 07:46. Nautical Dark: 17:59 - 07:05. Astro Dark: 18:39 - 06:25

Total Clouds (% Sky Obscured)

50
59
60
57
54
57
65
74
80
86
91
93
95
100
100
100
100
100
100
100
100
100
100
95

Low Clouds (% Sky Obscured)

45
48
24
17
8
6
10
15
17
18
18
24
28
39
44
41
38
39
49
50
52
59
66
71

Medium Clouds (% Sky Obscured)

3
4
6
9
12
6
3
1
4
7
10
15
20
28
50
68
80
87
93
100
95
91
86
87

High Clouds (% Sky Obscured)

28
42
46
51
54
37
19
5
6
12
14
46
75
100
100
100
100
100
100
100
100
100
100
82

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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
15
25
33
55
67
71
60

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
80
79
75
72
69
71
75
78
79
82
85
83
82
82
80
78
76
76
78
76
76
76
76

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1011
1010
1009
1008
1007
1007
1006
1006

Ozone (du)

303
300
297
295
293
291
289
286
283
280
277
274
272
270
269
266
264
262
262
261
261
260
260
259

Tuesday 2

Waxing Gibbous 93%

14:37

06:35

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: 08:25, Set: 16:39, Transit: 12:32. Moon - Rise: 14:37, Set: 06:35. Civil Dark: 17:17 - 07:48. Nautical Dark: 17:59 - 07:06. Astro Dark: 18:39 - 06:26

Total Clouds (% Sky Obscured)

91
87
88
88
90
84
78
73
80
89
96
85
73
61
72
82
92

Low Clouds (% Sky Obscured)

75
73
73
73
73
73
73
73
59
48
30
41
53
61
69
74
75

Medium Clouds (% Sky Obscured)

82
77
65
64
58
53
43
43
57
70
70
56
44
33
35
37
39

High Clouds (% Sky Obscured)

63
40
40
50
65
84
78
73
80
74
62
46
29
10
24
40
60

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

45
20
19
20
19
18
21
23
25
26
24
25
22
8
12
8
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
14
14
15
15
15
15
14
14
14
14
14
13
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
0
1
1
1
0
2
1
2
1
1
1
1
1
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

74
74
72
70
66
63
65
66
69
74
79
84
87
88
91
91
90

Pressure (mb)

1006
1006
1007
1007
1006
1006
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008

Ozone (du)

259
260
260
260
260
260
261
261
262
264
266
268
272
276
280
284
288

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

Generated: 26/11/25 08:56:30. Forecast: 26/11/25 to 02/12/25. Timezone: UTC+1.00