Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 2

Waxing Gibbous 93%

15:00

06:32

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: 08:23, Set: 16:37, Transit: 12:30. Moon - Rise: 15:00, Set: 06:32. Civil Dark: 17:15 - 07:45. Nautical Dark: 17:57 - 07:03. Astro Dark: 18:36 - 06:24

Total Clouds (% Sky Obscured)

90
92
94
95
100
100
100
100
100
100
100
100
99
99
98
96
93
64
100
100
100
100
100
96

Low Clouds (% Sky Obscured)

67
63
54
42
49
70
74
56
65
88
90
80
79
84
92
95
83
43
35
60
72
48
0
0

Medium Clouds (% Sky Obscured)

90
92
85
89
85
82
91
74
66
82
17
28
24
27
43
31
25
24
75
67
100
100
100
96

High Clouds (% Sky Obscured)

90
92
94
95
100
100
100
100
100
100
100
98
84
77
21
11
7
5
81
96
100
55
6
5

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
7
3
1
1
4
4
2
1
1
0
0
1
0
1
1
6
13
1
3
4
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
4
4
4
5
5
5
5
5
4
4
4
4
5
4
4
5
5
5

Relative Humidity (%)

87
87
87
87
90
88
85
82
85
91
91
91
87
79
74
72
69
73
79
84
85
91
94
93

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1010
1010
1011
1011
1012
1012
1012
1012
1011
1011
1011
1012
1012
1012
1012
1012
1012

Ozone (du)

273
274
274
272
274
278
279
282
281
280
280
280
282
284
285
285
286
290
292
294
296
297
298
297

Wednesday 3

Waxing Gibbous 98%

15:36

08:07

22 Bad
23 Bad
00 OK
01 OK
02 OK
03 Bad
04 OK
05 OK
06 OK
07 OK
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: 08:25, Set: 16:36, Transit: 12:30. Moon - Rise: 15:36, Set: 08:07. Civil Dark: 17:15 - 07:46. Nautical Dark: 17:56 - 07:05. Astro Dark: 18:36 - 06:25

Total Clouds (% Sky Obscured)

100
94
41
27
28
70
33
28
32
30
72
83
67
74
56
80
85
100
89
97
98
97
99
96

Low Clouds (% Sky Obscured)

0
30
41
23
28
70
33
23
28
29
55
58
51
40
39
46
46
49
74
87
79
96
82
91

Medium Clouds (% Sky Obscured)

98
90
0
0
0
0
0
0
14
20
61
37
67
64
41
43
85
100
89
96
97
96
97
91

High Clouds (% Sky Obscured)

6
0
0
0
0
1
1
15
10
12
5
29
11
39
21
47
54
20
20
25
29
25
27
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
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
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
23
50
68
59
44
26
18
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
9
10
8
9
10
12
12
13
13
14
14
16
16
15
15
13
12
10
8
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
85
86
79
69
79
85
86
86
86
85
83
79
75
73
69
70
78
85
90
90
88
90
86

Pressure (mb)

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

Ozone (du)

296
299
304
305
304
303
304
301
297
299
301
301
302
303
304
306
308
309
314
318
322
324
328
336

Thursday 4

Waxing Gibbous 100%

16:29

09:33

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
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: 08:26, Set: 16:36, Transit: 12:31. Moon - Rise: 16:29, Set: 09:33. Civil Dark: 17:14 - 07:47. Nautical Dark: 17:56 - 07:06. Astro Dark: 18:36 - 06:26

Total Clouds (% Sky Obscured)

99
100
89
71
68
66
67
47
37
60
57
46
61
99
100
88
94
91
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

56
49
80
54
54
54
54
37
35
60
57
46
51
64
43
52
45
37
33
32
42
44
33
37

Medium Clouds (% Sky Obscured)

75
65
43
35
24
18
16
8
1
2
2
0
0
0
7
36
33
90
80
74
18
23
96
91

High Clouds (% Sky Obscured)

65
75
4
0
0
0
0
0
0
0
0
0
25
98
100
68
83
29
100
95
86
97
99
81

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 (%)

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

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
8
8
8
8
8
8
8
8
8
8
8
9
10
11
10
10
10
11
12
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
3
3
1
1
3

Relative Humidity (%)

88
91
93
93
93
93
93
93
94
94
94
96
91
85
81
78
74
78
84
86
86
75
74
83

Pressure (mb)

1006
1006
1006
1007
1007
1008
1009
1009
1009
1010
1011
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1009

Ozone (du)

343
353
358
354
355
357
359
364
368
369
369
366
359
352
353
349
339
336
331
322
314
309
303
301

Friday 5

Full Moon 98%

17:41

10:41

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: 08:27, Set: 16:35, Transit: 12:31. Moon - Rise: 17:41, Set: 10:41. Civil Dark: 17:14 - 07:49. Nautical Dark: 17:56 - 07:07. Astro Dark: 18:36 - 06:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
88
76
65
71
79
91
95
100
100
100
100
100
100
88
95

Low Clouds (% Sky Obscured)

62
81
100
95
90
85
85
86
87
79
70
61
57
53
49
51
53
55
55
55
55
68
80
92

Medium Clouds (% Sky Obscured)

100
75
99
89
33
100
35
25
25
17
76
0
10
20
30
35
40
35
25
16
65
72
54
48

High Clouds (% Sky Obscured)

100
100
100
78
57
35
57
51
78
73
43
1
12
25
38
52
66
80
87
93
100
87
74
58

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

25
28
36
35
41
95
65
27
20
50
77
15
53
54
39
51
37
36
36
39
17
15
19
22

Precipitation Amount (mm)

0
0
0
0
0
1.1
0.2
0
0
0
0.7
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
19
20
22
22
22
22
21
20
18
17
16
16
18
19
19
19
18
18
18
17
17
18
19

Chance of Frost

Temperature (°C)

5
6
6
6
6
6
6
7
7
7
7
8
9
10
11
12
11
11
11
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
75
74
67
69
74
81
84
87
87
90
90
87
76
75
73
73
73
72
76
76
77
77
80

Pressure (mb)

1009
1007
1006
1005
1004
1004
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1006

Ozone (du)

295
293
293
292
291
292
297
300
304
304
303
304
303
302
301
296
295
294
296
296
301
302
302
301

Saturday 6

Waning Gibbous 93%

19:06

11:29

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: 08:28, Set: 16:35, Transit: 12:32. Moon - Rise: 19:06, Set: 11:29. Civil Dark: 17:14 - 07:50. Nautical Dark: 17:56 - 07:08. Astro Dark: 18:36 - 06:28

Total Clouds (% Sky Obscured)

100
100
100
94
87
81
86
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
84
83
75
64
63
63
50
63
61
61
62
64
62
67
74
80
88
91
96
100
98
97
96

Medium Clouds (% Sky Obscured)

68
52
48
35
16
4
68
62
60
73
85
100
99
99
98
99
99
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

75
86
91
63
37
5
33
67
100
76
52
29
52
76
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
3
6
5
3
5
6
8
9
8
7
6
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
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

31
32
27
20
14
5
5
11
26
31
77
88
78
95
91
83
78
73
63
54
41
68
88
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.5
0.6
0.4
0.7
0.5
0.4
0.4
0.4
0.3
0
0
0.3
0.5
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
80
77
76
76
80
81
85
88
88
87
90
88
88
88
88
89
89
89
89
86
86
84
84

Pressure (mb)

1006
1007
1007
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1007
1007
1007

Ozone (du)

300
296
289
287
286
285
283
282
281
283
284
285
286
288
289
290
291
292
293
293
294
294
296
298

Sunday 7

Waning Gibbous 86%

20:33

12:00

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: 08:29, Set: 16:35, Transit: 12:32. Moon - Rise: 20:33, Set: 12:00. Civil Dark: 17:14 - 07:51. Nautical Dark: 17:56 - 07:09. Astro Dark: 18:36 - 06:29

Total Clouds (% Sky Obscured)

100
100
100
99
98
98
93
88
83
82
79
77
82
91
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

93
91
88
91
92
93
86
79
71
61
50
39
33
27
22
19
18
19
28
34
40
55
61
65

Medium Clouds (% Sky Obscured)

93
86
78
80
81
82
70
57
43
40
38
35
47
59
71
72
86
93
89
85
85
90
95
100

High Clouds (% Sky Obscured)

100
100
100
71
49
32
49
56
59
56
54
51
67
80
100
100
100
100
91
82
73
83
87
89

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

Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
82
73
61
54
49
37
23
25
21
5
8
8
10
9
6
4
11
12
10
13
15
15

Precipitation Amount (mm)

0.8
0.7
0.4
0.3
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

21
21
22
23
23
23
22
20
19
18
16
14
14
14
15
15
14
13
12
12
11
11
10
9

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
13
12
12
12
11
11
12
12
13
13
12
12
12
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

83
82
82
80
80
79
79
80
81
84
83
84
83
80
80
77
77
80
81
83
84
85
88
88

Pressure (mb)

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

Ozone (du)

299
300
301
302
302
302
302
301
300
300
300
300
301
303
306
308
310
312
313
312
310
309
309
309

Monday 8

Waning Gibbous 77%

21:58

12:22

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

Sun - Rise: 08:30, Set: 16:35, Transit: 12:33. Moon - Rise: 21:58, Set: 12:22. Civil Dark: 17:14 - 07:52. Nautical Dark: 17:56 - 07:10. Astro Dark: 18:36 - 06:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
92
85
78
72
66
61

Low Clouds (% Sky Obscured)

63
64
61
67
73
80
74
64
55
54
44
37
33
39
35
37
43
55
57
54
51

Medium Clouds (% Sky Obscured)

98
97
95
87
80
74
73
73
71
54
38
22
21
21
35
50
50
50
40
25
10

High Clouds (% Sky Obscured)

93
97
100
100
100
100
100
100
100
100
100
100
99
98
98
80
62
44
30
16
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

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

14
12
13
28
42
53
60
64
60
67
72
73
84
95
95
93
72
40
30
22
20

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.3
0.3
0.2
0.3
0.3
0.3
0.4
0.6
0.7
0.6
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
12
12
12
12
12
12
12
12
13
13
13
13
13
12
12

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
10
10
10
10
10
10
10
10
10
10
9
9
9
9
10
10
10

Relative Humidity (%)

90
88
88
88
88
88
88
90
92
92
90
87
86
83
79
76
77
77
80
83
87

Pressure (mb)

1017
1016
1016
1016
1015
1014
1014
1013
1013
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010

Ozone (du)

310
309
309
309
308
307
307
302
298
293
292
292
291
291
292
292
291
290
289
290
290

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

Generated: 02/12/25 22:56:04. Forecast: 02/12/25 to 08/12/25. Timezone: UTC+1.00