Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 12

Third Quarter 50%

00:15

14:18

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

Sun - Rise: 07:52, Set: 16:57, Transit: 12:24. Moon - Rise: 00:15, Set: 14:18. Civil Dark: 17:33 - 07:16. Nautical Dark: 18:12 - 06:36. Astro Dark: 18:51 - 05:57

Total Clouds (% Sky Obscured)

92
87
61
61
67
79
100
100
100
100
64
73
33
34
96
100
100
69
87
100
95
57
78
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)

8
82
56
53
35
46
75
26
22
1
1
0
0
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

27
34
42
31
40
61
99
100
99
100
64
73
33
34
96
100
100
69
87
100
95
57
78
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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
74
74
78
76
77
74
73
65
58
53
53
54
58
63
67
72
75
73
72
72
76
72
71

Pressure (mb)

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

Ozone (du)

261
259
258
257
257
259
260
261
262
262
263
265
264
265
265
264
264
264
265
264
262
262
262
260

Thursday 13

Waning Crescent 39%

01:30

14:32

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
01 Bad

Sun - Rise: 07:53, Set: 16:55, Transit: 12:24. Moon - Rise: 01:30, Set: 14:32. Civil Dark: 17:31 - 07:17. Nautical Dark: 18:11 - 06:37. Astro Dark: 18:50 - 05:59

Total Clouds (% Sky Obscured)

90
53
93
93
91
100
55
97
100
86
93
87
99
100
97
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
37
51
32
36
38
32
18
0
0
31
36
32

Medium Clouds (% Sky Obscured)

9
0
12
44
24
22
6
49
48
30
31
20
19
20
32
37
50
98
100
100
100
100
100
100

High Clouds (% Sky Obscured)

84
53
88
79
82
100
47
62
99
38
16
9
64
100
12
28
73
84
99
65
77
54
86
91

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
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
3
0
24
13
25
27
10
48
36
17
18
26
22
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
15
15
14
14
14
15
14
14
14
14
15
14
12
10
10
9
9
9
8
6
6
5
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
66
66
67
70
70
69
64
59
55
56
56
58
62
70
71
74
72
70
71
74
73
79

Pressure (mb)

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

Ozone (du)

260
260
260
261
263
263
263
262
263
264
265
265
266
267
269
271
273
274
275
276
276
276
275
275

Friday 14

Waning Crescent 30%

No Rise

14:44

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
01 Bad

Sun - Rise: 07:55, Set: 16:54, Transit: 12:24. Moon - Rise: No Rise, Set: 14:44. Civil Dark: 17:30 - 07:19. Nautical Dark: 18:10 - 06:39. Astro Dark: 18:49 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

39
44
40
38
54
40
29
28
22
20
10
0
0
0
32
38
42
57
68
81
80
82
84
86

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
93
96
98
95
38
29
98
70
85
100
99
98
97
97

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
54
78
85
93
100
100
100
100
91

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
Very Light Rain

Precipitation Probability (%)

47
33
31
23
13
13
15
21
14
9
3
1
0
0
0
0
0
0
0
1
10
21
43
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
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
79
77
76
75
76
71
65
59
56
53
53
57
63
70
73
73
75
73
72
75
75
77

Pressure (mb)

1011
1011
1011
1010
1010
1010
1010
1010
1009
1009
1009
1009
1008
1008
1007
1007
1008
1008
1008
1008
1008
1009
1009
1009

Ozone (du)

275
277
276
276
275
275
277
278
279
282
282
282
282
283
283
284
284
284
284
285
287
288
291
292

Saturday 15

Waning Crescent 21%

02:43

14:55

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
01 Bad

Sun - Rise: 07:57, Set: 16:53, Transit: 12:25. Moon - Rise: 02:43, Set: 14:55. Civil Dark: 17:29 - 07:20. Nautical Dark: 18:09 - 06:40. Astro Dark: 18:48 - 06:02

Total Clouds (% Sky Obscured)

99
99
98
98
97
97
97
96
97
98
99
100
100
100
99
98
97
98
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

87
88
81
76
70
70
68
66
77
88
99
90
82
74
73
72
71
75
79
83
89
94
100
99

Medium Clouds (% Sky Obscured)

97
97
95
97
96
96
95
94
88
84
79
78
78
83
77
50
6
4
9
15
11
8
3
3

High Clouds (% Sky Obscured)

89
84
42
36
31
34
44
55
42
29
18
45
73
100
93
86
79
86
93
100
68
37
10
5

ISS Passover

Visibility (miles)

7
9
8
3
4
4
3
2
2
2
2
1
1
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

52
55
95
95
95
95
95
95
95
95
95
68
33
23
15
10
8
3
5
1
10
5
5
8

Precipitation Amount (mm)

0
0
1
1
1
0.9
2.1
2.2
2
1.8
0.9
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
5
4
4
4
4
5
5
4
4
4
5
5
5
5
5
4
4
5
4
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
87
88
91
95
96
96
96
96
96
98
96
96
95
95
95
95
95
95
95
95
95
95
96

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009

Ozone (du)

291
289
289
287
287
288
287
288
289
290
292
292
291
291
290
291
292
291
291
290
289
290
290
288

Sunday 16

Waning Crescent 13%

03:53

15:06

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
01 Bad

Sun - Rise: 07:58, Set: 16:51, Transit: 12:25. Moon - Rise: 03:53, Set: 15:06. Civil Dark: 17:28 - 07:22. Nautical Dark: 18:08 - 06:42. Astro Dark: 18:47 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
89
77
69
68
68
68
60

Low Clouds (% Sky Obscured)

99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
80
63
54
55
58
58
45

Medium Clouds (% Sky Obscured)

6
4
14
27
37
38
78
83
50
68
62
52
41
31
33
35
27
17
9
3
3
1
1
32

High Clouds (% Sky Obscured)

1
3
0
0
0
0
0
0
0
0
0
0
0
0
33
67
100
67
33
0
1
2
11
12

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

10
17
23
26
21
26
28
24
32
36
40
55
41
25
31
32
33
31
28
24
19
13
2
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
4
4
5
4
4
4
3
4
4
3
3
3
3
3
3
3
1
1
0
1
1
1

Dew Point (°C)

7
7
7
6
6
6
6
6
6
6
6
5
5
5
5
5
4
4
3
3
2
1
0
-1

Relative Humidity (%)

94
96
96
94
94
94
94
94
93
94
93
93
91
93
93
93
93
93
88
86
83
82
83
83

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1013
1013
1013
1014
1014
1014

Ozone (du)

289
289
289
291
291
292
291
292
294
297
296
296
295
295
295
294
294
294
300
306
312
309
306
303

Monday 17

Waning Crescent 7%

05:04

15:18

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

Sun - Rise: 08:00, Set: 16:50, Transit: 12:25. Moon - Rise: 05:04, Set: 15:18. Civil Dark: 17:27 - 07:23. Nautical Dark: 18:07 - 06:43. Astro Dark: 18:46 - 06:04

Total Clouds (% Sky Obscured)

62
68
56
46
40
44
42
41
26
20
14
27
38
53
56
60
62
57
51
46
42
38
33
41

Low Clouds (% Sky Obscured)

30
15
27
39
40
44
42
41
26
20
9
27
38
53
56
60
60
57
51
46
42
38
33
40

Medium Clouds (% Sky Obscured)

62
68
56
46
40
44
42
39
26
14
2
14
30
44
30
15
0
1
2
3
2
2
1
12

High Clouds (% Sky Obscured)

23
35
47
46
40
30
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
4

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 (%)

4
3
14
21
27
25
20
14
16
17
18
25
30
35
30
24
11
11
10
10
10
9
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
77
79
82
85
82
80
78
71
64
58
62
65
69
72
73
75
76
76
77
80
82
86

Pressure (mb)

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

Ozone (du)

300
296
292
293
295
296
298
301
303
308
313
317
312
307
302
297
292
287
283
280
276
276
277
278

Tuesday 18

Waning Crescent 3%

06:15

15:32

Sun - Rise: 08:01, Set: 16:49, Transit: 12:25. Moon - Rise: 06:15, Set: 15:32. Civil Dark: 17:26 - 07:25. Nautical Dark: 18:06 - 06:45. Astro Dark: 18:45 - 06:06

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 Elst, Flemish Brabant, Kingdom of Belgium (50.77,4.89)

Generated: 12/11/25 01:20:52. Forecast: 12/11/25 to 18/11/25. Timezone: UTC+1.00