Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 17

Waxing Crescent 49%

16:00

22:00

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

Sun - Rise: 07:21, Set: 19:47, Transit: 13:34. Moon - Rise: 16:00, Set: 22:00. Civil Dark: 20:22 - 06:48. Nautical Dark: 21:01 - 06:09. Astro Dark: 21:43 - 05:28

Total Clouds (% Sky Obscured)

96
97
98
77
75
100
90
85
44
16
7
21
0
4
23
38
32
41
66
60
79
72
74
67

Low Clouds (% Sky Obscured)

56
30
28
25
21
29
35
29
27
12
3
13
0
4
20
31
28
36
23
15
30
37
26
14

Medium Clouds (% Sky Obscured)

96
97
35
9
3
60
73
45
15
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

96
97
46
49
57
100
40
45
18
2
0
0
0
0
0
0
0
1
43
49
53
39
74
30

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

Very Light Rain
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 (%)

75
94
65
4
3
5
0
4
1
1
0
0
0
0
0
1
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
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)

12
12
11
11
11
10
9
9
8
8
8
7
7
9
11
11
12
13
13
12
12
13
12
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
12
12
12
11
11
10
10
10
10
8
11
12
14
14
16
16
16
16
16
16
17

Dew Point (°C)

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

Relative Humidity (%)

79
83
86
90
92
93
93
93
92
93
93
93
88
80
68
57
51
48
44
40
40
42
46
52

Pressure (mb)

1011
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1015
1016
1016

Ozone (du)

299
300
299
299
299
300
301
301
303
302
307
311
308
305
305
305
305
304
302
300
299
298
296
294

Friday 18

First Quarter 46%

16:48

22:47

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:22, Set: 19:45, Transit: 13:34. Moon - Rise: 16:48, Set: 22:47. Civil Dark: 20:20 - 06:50. Nautical Dark: 20:59 - 06:10. Astro Dark: 21:40 - 05:30

Total Clouds (% Sky Obscured)

84
100
95
88
87
93
96
100
97
100
99
100
100
97
94
100
98
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
9
4
3
60
62
60
59
95
84
95
57
48
49
54
73
71
60
73
47
40
53
46
32

Medium Clouds (% Sky Obscured)

35
35
37
55
87
93
96
84
97
95
81
44
40
27
33
14
9
23
23
29
36
38
31
33

High Clouds (% Sky Obscured)

84
100
20
20
20
33
61
97
50
92
88
100
100
80
55
100
93
97
100
100
100
100
97
61

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
1
0
0
1
0
2
2
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)

7
7
7
8
9
10
10
10
11
11
12
12
12
13
14
15
15
15
15
16
15
14
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
12
12
12
11
11
11
11
12
12
11
12
12
13
14
15
17
17
18
17
18
19
19

Dew Point (°C)

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

Relative Humidity (%)

61
65
68
71
73
69
70
70
70
70
69
72
77
73
69
66
64
62
58
51
47
49
57
63

Pressure (mb)

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

Ozone (du)

290
287
284
282
281
283
286
288
289
289
290
289
290
290
290
289
289
287
286
285
285
285
285
285

Saturday 19

Waxing Gibbous 59%

17:24

23:45

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:24, Set: 19:43, Transit: 13:33. Moon - Rise: 17:24, Set: 23:45. Civil Dark: 20:18 - 06:51. Nautical Dark: 20:57 - 06:12. Astro Dark: 21:37 - 05:32

Total Clouds (% Sky Obscured)

90
94
100
100
100
96
100
98
99
98
100
100
100
100
100
98
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

7
0
0
0
0
10
16
35
38
37
43
49
77
53
80
80
88
91
86
69
36
34
36
38

Medium Clouds (% Sky Obscured)

23
73
93
65
30
36
45
74
87
85
62
93
56
90
93
83
94
91
78
60
55
56
28
30

High Clouds (% Sky Obscured)

50
84
100
100
100
91
79
91
96
86
100
100
100
98
67
75
37
100
100
100
100
100
100
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
10
25
47
64
54
27
16
16
15
11
8
6
5
3
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
9
10
11
11
11
11
11
12
12
13
13
13
14
13
15
14
12
12
12
11
10
8

Chance of Frost

Temperature (°C)

19
18
17
17
17
17
17
16
16
16
16
16
16
17
17
17
18
18
18
18
19
19
18
17

Feels Like (°C)

17
16
15
14
14
15
14
14
13
14
14
14
14
15
15
14
14
14
15
15
15
16
15
14

Dew Point (°C)

13
13
11
11
12
13
14
14
14
14
15
14
14
15
14
13
8
7
9
10
10
10
10
9

Relative Humidity (%)

67
70
68
69
74
78
82
85
86
89
90
87
87
87
81
73
52
48
54
57
55
55
57
58

Pressure (mb)

1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1026
1026

Ozone (du)

286
286
286
284
287
288
289
288
290
290
290
290
289
290
289
289
289
288
288
288
288
288
288
287

Sunday 20

Waxing Gibbous 68%

17:51

00:52

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
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

Sun - Rise: 07:25, Set: 19:40, Transit: 13:33. Moon - Rise: 17:51, Set: 00:52. Civil Dark: 20:15 - 06:53. Nautical Dark: 20:54 - 06:14. Astro Dark: 21:35 - 05:33

Total Clouds (% Sky Obscured)

100
100
100
81
64
46
58
77
91
90
90
90
83
75
67
74
82
75
82
74
73
91
82
92

Low Clouds (% Sky Obscured)

26
13
0
0
0
0
11
21
34
23
13
1
1
2
7
14
62
30
18
28
48
76
68
91

Medium Clouds (% Sky Obscured)

26
23
19
16
8
2
4
7
6
17
20
24
23
22
30
35
82
24
27
36
51
50
31
25

High Clouds (% Sky Obscured)

100
100
100
80
64
46
56
70
83
81
79
80
67
54
42
37
36
14
35
29
21
14
5
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
12
11
10
9
9
8
8
8
8
8
8
10
12
13
14
15
16
17
17
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

67
73
75
77
79
81
81
83
83
81
83
83
80
71
61
56
50
53
46
44
44
43
46
55

Pressure (mb)

1027
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028
1028
1028

Ozone (du)

285
286
286
286
285
285
285
283
281
280
278
279
278
277
277
277
276
276
276
275
276
276
278
279

Monday 21

Waxing Gibbous 77%

18:12

02:05

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

Sun - Rise: 07:27, Set: 19:38, Transit: 13:33. Moon - Rise: 18:12, Set: 02:05. Civil Dark: 20:13 - 06:54. Nautical Dark: 20:52 - 06:16. Astro Dark: 21:32 - 05:35

Total Clouds (% Sky Obscured)

97
87
95
95
96
96
96
95
95
93
93
92
73
65
57
57
57
60
54
48
41
28
16
4

Low Clouds (% Sky Obscured)

95
83
89
88
90
90
92
91
90
89
90
89
73
65
57
57
57
60
54
45
28
19
9
0

Medium Clouds (% Sky Obscured)

25
19
10
7
12
10
9
9
10
13
13
13
4
5
5
4
3
3
3
3
3
3
2
1

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
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
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
2
3
2
1
7
10
11
11
7
0
1
1
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)

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

Chance of Frost

Temperature (°C)

17
16
16
15
15
15
14
14
14
14
14
14
14
13
15
16
17
18
19
19
20
20
19
17

Feels Like (°C)

15
16
15
14
13
13
13
13
13
13
14
14
14
13
14
16
16
16
16
18
17
17
18
19

Dew Point (°C)

9
9
9
8
8
9
9
9
10
10
11
12
13
11
12
13
12
12
11
9
8
7
8
8

Relative Humidity (%)

59
60
63
62
65
67
69
71
75
78
82
86
89
87
83
81
73
65
58
53
48
43
49
56

Pressure (mb)

1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1029
1029
1029
1029
1029
1029
1028
1028
1027
1027
1027

Ozone (du)

278
278
277
274
273
272
272
271
271
271
271
271
270
270
270
270
271
272
273
273
274
274
274
275

Tuesday 22

Waxing Gibbous 85%

18:28

03:20

20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 OK
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

Sun - Rise: 07:29, Set: 19:36, Transit: 13:32. Moon - Rise: 18:28, Set: 03:20. Civil Dark: 20:11 - 06:56. Nautical Dark: 20:49 - 06:17. Astro Dark: 21:30 - 05:37

Total Clouds (% Sky Obscured)

2
1
0
1
1
1
2
3
3
31
60
90
73
53
40
40
43
44
55
64
71
81
91
100

Low Clouds (% Sky Obscured)

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

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
1
1

High Clouds (% Sky Obscured)

0
0
0
0
1
1
1
2
2
29
57
84
68
45
15
25
32
38
50
60
70
80
90
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)

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

Chance of Frost

Temperature (°C)

16
15
14
13
12
11
11
10
10
9
9
9
8
11
13
16
17
19
20
20
20
20
19
18

Feels Like (°C)

20
15
14
14
14
13
13
10
10
10
9
9
8
8
9
11
12
13
13
20
20
19
19
20

Dew Point (°C)

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

Relative Humidity (%)

64
66
68
69
73
76
80
80
81
84
82
82
82
72
64
56
50
46
41
40
38
36
41
47

Pressure (mb)

1027
1027
1028
1028
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1023
1023
1023

Ozone (du)

275
275
276
276
276
276
276
276
276
276
278
279
280
281
283
284
284
283
283
283
282
282
282
282

Wednesday 23

Waxing Gibbous 92%

18:42

04:36

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 Bad
13 Bad

Sun - Rise: 07:30, Set: 19:34, Transit: 13:32. Moon - Rise: 18:42, Set: 04:36. Civil Dark: 20:08 - 06:57. Nautical Dark: 20:47 - 06:19. Astro Dark: 21:27 - 05:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
86
69
58
50
39
32
35
32
33
45
58
70

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
4
8
12
31
50
69

Medium Clouds (% Sky Obscured)

29
60
89
91
94
98
86
69
58
50
39
32
35
19
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
86
69
58
45
31
18
12
14
12
22
36
51

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
13
13
12
12
12
11
11
10
10
10
10
10
9
11
12
14
16

Dew Point (°C)

7
6
6
6
6
6
5
5
5
5
5
5
6
6
6
6
9
12

Relative Humidity (%)

53
55
58
60
61
61
61
63
64
66
68
71
74
66
58
50
57
62

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

282
283
285
286
288
291
293
297
301
305
305
304
303
300
297
294
294
293

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

Generated: 17/09/26 20:35:35. Forecast: 17/09/26 to 23/09/26. Timezone: UTC+2.00