Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 11

New Moon 0%

07:26

19:56

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 OK
20 OK
21 OK
22 OK
23 OK
00 Good

Sun - Rise: 07:10, Set: 20:03, Transit: 13:36. Moon - Rise: 07:26, Set: 19:56. Civil Dark: 20:36 - 06:37. Nautical Dark: 21:16 - 05:57. Astro Dark: 21:59 - 05:14

Total Clouds (% Sky Obscured)

76
81
85
89
100
96
90
94
100
100
98
100
84
90
67
74
50
47
29
36
20
22
26
5

Low Clouds (% Sky Obscured)

36
35
41
27
15
52
74
77
100
100
89
100
77
86
61
60
34
31
23
20
9
13
17
0

Medium Clouds (% Sky Obscured)

0
0
0
45
79
92
86
38
96
72
75
45
17
51
25
22
16
11
0
6
3
1
2
2

High Clouds (% Sky Obscured)

76
81
85
89
100
6
0
0
0
0
0
2
0
0
0
0
0
3
4
4
2
2
2
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
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
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
5
34
0
2
1
4
12
17
21
21
20
12
13
42
63
41
29
17
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
3
3
2
6
6
6
7
8
8
10
11
11
11
11
10
10
7
6
4
3
3
2
2

Chance of Frost

Temperature (°C)

14
14
13
12
12
13
13
13
14
15
15
15
16
17
20
21
21
21
20
18
16
15
14
14

Feels Like (°C)

11
11
10
9
10
10
10
10
11
12
12
12
13
14
18
21
20
21
21
19
18
17
16
16

Dew Point (°C)

7
7
7
6
6
6
6
6
7
8
8
10
9
9
13
13
17
16
16
15
14
13
13
12

Relative Humidity (%)

62
63
65
65
65
65
64
62
61
60
61
69
66
61
67
63
77
75
75
81
85
87
89
90

Pressure (mb)

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

Ozone (du)

315
314
314
315
315
316
317
317
317
319
319
318
318
317
316
315
314
316
315
314
314
312
311
311

Saturday 12

Waxing Crescent 2%

08:46

20:09

01 OK
02 OK
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

Sun - Rise: 07:11, Set: 20:01, Transit: 13:36. Moon - Rise: 08:46, Set: 20:09. Civil Dark: 20:34 - 06:38. Nautical Dark: 21:14 - 05:58. Astro Dark: 21:56 - 05:16

Total Clouds (% Sky Obscured)

22
36
49
52
57
47
69
64
71
92
63
71
83
93
99
91
100
77
79
89
95
80
99
97

Low Clouds (% Sky Obscured)

15
29
45
47
47
37
58
60
39
7
24
24
24
28
18
17
2
7
6
25
12
34
67
74

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
22
28
45
40
31
34
18
25
28
33
94
85

High Clouds (% Sky Obscured)

0
0
1
7
24
0
16
6
41
84
56
24
21
62
86
89
100
69
43
32
23
3
25
17

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
100
100
100
97
93
96
2
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
2
11
3
5

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)

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

Chance of Frost

Temperature (°C)

13
12
11
11
10
10
11
11
13
15
18
20
21
22
22
22
22
21
21
19
18
18
18
17

Feels Like (°C)

15
15
13
12
11
11
11
11
13
15
16
20
19
19
20
20
20
20
21
18
16
16
17
16

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
91
91
91
91
91
84
75
66
57
50
47
45
45
44
47
55
59
61
65
65
61

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1022
1022
1023
1023
1022

Ozone (du)

312
312
310
308
307
306
304
302
301
298
297
294
293
293
292
293
292
292
294
295
296
298
298
298

Sunday 13

Waxing Crescent 7%

10:04

20:23

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 OK
21 OK
22 OK
23 Bad
00 Bad

Sun - Rise: 07:13, Set: 19:58, Transit: 13:36. Moon - Rise: 10:04, Set: 20:23. Civil Dark: 20:31 - 06:40. Nautical Dark: 21:11 - 06:00. Astro Dark: 21:53 - 05:18

Total Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
100
100
100
100
99
98
70
74
82
78
72
28
29
16
51
56

Low Clouds (% Sky Obscured)

76
83
85
90
90
96
93
94
91
89
83
86
85
63
49
51
71
66
30
28
24
9
22
36

Medium Clouds (% Sky Obscured)

32
40
36
100
88
100
100
100
100
100
100
100
95
44
37
50
29
16
0
0
0
0
0
0

High Clouds (% Sky Obscured)

16
17
50
22
92
100
100
83
100
91
100
100
49
88
0
0
22
35
40
4
4
4
20
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
2
3
5
2
4
9
2
9
8
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
Very Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
23
40
64
74
52
95
95
95
95
95
95
75
36
40
42
35
30
18
17
17
4
6
2

Precipitation Amount (mm)

0
0
0
0.2
0.4
0
0.9
0.9
2.2
3.9
2.7
1.2
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
10
10
10
10
10
11
11
12
12
12
12
11
12
13
12
12
9
7
6
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
11
12
13
13
13
14
15
16
17
18
18
19
20
19
18
18
17
16
15
14

Relative Humidity (%)

63
64
64
66
69
74
83
82
85
87
93
93
95
93
89
87
94
88
91
95
96
96
96
96

Pressure (mb)

1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1023
1023

Ozone (du)

298
297
297
297
297
296
296
296
295
294
296
296
300
308
309
300
298
295
294
294
293
293
294
293

Monday 14

Waxing Crescent 13%

11:21

20:39

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 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK

Sun - Rise: 07:15, Set: 19:56, Transit: 13:35. Moon - Rise: 11:21, Set: 20:39. Civil Dark: 20:29 - 06:42. Nautical Dark: 21:09 - 06:02. Astro Dark: 21:51 - 05:20

Total Clouds (% Sky Obscured)

78
77
77
78
79
83
84
88
95
100
92
88
81
83
85
70
50
34
24
23
23
21
28
31

Low Clouds (% Sky Obscured)

51
52
53
50
37
33
35
47
45
54
54
51
45
46
37
34
26
20
16
11
6
2
1
1

Medium Clouds (% Sky Obscured)

0
70
75
4
5
6
8
10
6
6
6
7
12
12
16
16
13
6
0
3
8
12
13
17

High Clouds (% Sky Obscured)

34
28
31
29
38
48
47
62
82
100
78
70
59
50
45
17
2
0
0
0
0
0
2
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 (%)

1
3
1
0
0
0
0
0
0
0
9
7
5
2
3
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
4
4
4
4
4
4
4
5
6
7
7
7
7
8
7
7
6
4
3
3
4
4
4

Chance of Frost

Temperature (°C)

14
14
14
14
14
13
13
13
15
17
18
20
21
22
22
23
23
22
21
20
19
18
17
17

Feels Like (°C)

15
13
13
14
13
13
13
13
14
16
18
20
21
21
21
22
23
23
23
22
21
20
19
19

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
95
95
96
90
85
80
72
65
59
55
54
52
54
62
65
65
68
71
72

Pressure (mb)

1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

293
291
288
287
287
286
285
285
283
282
281
280
280
279
279
278
277
276
277
278
280
281
282
281

Tuesday 15

Waxing Crescent 21%

12:38

20:59

01 OK
02 OK
03 OK
04 Bad
05 OK
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
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:16, Set: 19:54, Transit: 13:35. Moon - Rise: 12:38, Set: 20:59. Civil Dark: 20:27 - 06:43. Nautical Dark: 21:06 - 06:04. Astro Dark: 21:48 - 05:22

Total Clouds (% Sky Obscured)

30
27
27
76
35
42
56
59
56
53
76
77
90
93
96
98
93
87
79
66
57
51
56
57

Low Clouds (% Sky Obscured)

0
5
10
17
19
17
17
22
29
36
41
34
37
33
28
16
0
0
0
0
4
14
31
44

Medium Clouds (% Sky Obscured)

17
17
11
7
12
15
18
17
16
14
20
22
45
55
63
72
51
30
9
19
32
48
42
34

High Clouds (% Sky Obscured)

2
2
4
40
0
0
0
2
1
3
24
30
46
65
83
98
92
87
79
59
33
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
1
2
5
5
2
0
2
4
2
17
29
37
70
72
76
93
95
89
82
69
52
44
35

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.4
0.7
0.8
0.5
0.4
0.3
0
0
0

Wind Speed/Direction (mph)

4
5
5
6
6
6
6
7
7
9
10
10
10
11
10
10
9
8
8
8
8
9
12
10

Chance of Frost

Temperature (°C)

17
16
16
16
16
17
17
17
18
20
21
22
22
23
22
22
23
22
21
20
19
18
17
16

Feels Like (°C)

18
17
17
16
15
17
17
17
19
21
21
21
21
20
20
20
20
22
22
24
18
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

73
74
74
74
74
77
79
78
71
63
56
50
44
40
39
39
39
42
46
50
52
54
57
66

Pressure (mb)

1022
1022
1021
1021
1020
1020
1020
1020
1019
1019
1019
1018
1017
1017
1016
1015
1014
1014
1013
1013
1013
1013
1013
1014

Ozone (du)

281
282
287
286
286
286
285
283
282
282
281
282
283
284
285
285
286
285
284
284
284
284
284
282

Wednesday 16

Waxing Crescent 30%

13:52

21:25

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
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
22 OK
23 OK
00 OK

Sun - Rise: 07:18, Set: 19:52, Transit: 13:35. Moon - Rise: 13:52, Set: 21:25. Civil Dark: 20:25 - 06:45. Nautical Dark: 21:04 - 06:05. Astro Dark: 21:45 - 05:24

Total Clouds (% Sky Obscured)

50
57
61
68
47
24
2
30
57
85
89
94
100
95
91
87
77
67
56
42
36
36
31
21

Low Clouds (% Sky Obscured)

50
57
61
68
47
24
2
30
57
85
89
94
100
95
91
87
69
38
7
6
6
5
5
5

Medium Clouds (% Sky Obscured)

28
19
10
0
0
0
0
0
0
0
2
6
17
23
30
26
21
19
13
11
12
13
12
11

High Clouds (% Sky Obscured)

21
18
15
14
9
5
0
0
0
0
30
63
95
64
33
9
25
32
25
10
15
19
19
15

ISS Passover

Visibility (miles)

8
8
8
9
9
9
9
9
9
9
9
9
9
9
8
7
6
7
8
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 (%)

27
26
21
11
9
11
10
15
17
18
25
27
24
27
26
26
33
37
39
33
27
5
8
6

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
7
7
8
8
9
9
9
10
11
13
13
13
14
13
13
12
10
8
6
7
7
8
8

Chance of Frost

Temperature (°C)

16
15
14
13
13
13
12
12
13
14
15
16
16
17
17
17
18
17
16
14
14
13
12
12

Feels Like (°C)

17
17
13
13
14
14
13
12
11
12
12
12
13
13
15
14
14
14
15
15
13
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

78
93
90
90
90
92
93
93
89
84
80
75
69
65
64
62
62
66
72
78
82
86
90
92

Pressure (mb)

1014
1014
1015
1015
1015
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017

Ozone (du)

281
280
285
291
296
300
304
308
308
309
310
312
313
315
317
319
321
321
321
321
320
318
317
313

Thursday 17

Waxing Crescent 39%

15:01

22:00

Sun - Rise: 07:19, Set: 19:49, Transit: 13:34. Moon - Rise: 15:01, Set: 22:00. Civil Dark: 20:22 - 06:46. Nautical Dark: 21:01 - 06:07. Astro Dark: 21:43 - 05:26

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: 11/09/26 01:46:24. Forecast: 11/09/26 to 17/09/26. Timezone: UTC+2.00