Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 14

Waxing Crescent 21%

12:41

20:41

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

Sun - Rise: 07:18, Set: 19:58, Transit: 13:37. Moon - Rise: 12:41, Set: 20:41. Civil Dark: 20:31 - 06:45. Nautical Dark: 21:11 - 06:06. Astro Dark: 21:53 - 05:24

Total Clouds (% Sky Obscured)

35
30
24
30
34
15
13
16
7
4
0
0
0
0
5
17
40
55
31
35
62
85
89
100

Low Clouds (% Sky Obscured)

9
0
0
29
18
8
7
10
5
3
0
0
0
0
0
0
0
0
0
0
4
14
31
29

Medium Clouds (% Sky Obscured)

19
16
24
22
12
6
1
1
0
0
0
0
0
0
0
0
2
3
31
35
62
63
14
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
16
39
53
4
1
0
23
33
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
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

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

Chance of Frost

Temperature (°C)

22
21
20
19
19
19
18
18
17
17
17
16
16
16
16
18
20
22
24
25
27
27
28
27

Feels Like (°C)

22
23
22
22
21
21
21
20
19
19
19
18
18
18
18
20
22
23
24
24
26
26
26
25

Dew Point (°C)

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

Relative Humidity (%)

68
74
80
82
85
88
89
90
90
92
92
92
93
92
90
82
74
65
58
52
47
44
42
44

Pressure (mb)

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

Ozone (du)

276
277
279
281
282
282
285
288
287
287
285
283
282
281
281
281
281
282
282
280
277
275
275
274

Tuesday 15

Waxing Crescent 30%

13:55

21:01

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

Sun - Rise: 07:20, Set: 19:56, Transit: 13:37. Moon - Rise: 13:55, Set: 21:01. Civil Dark: 20:29 - 06:47. Nautical Dark: 21:09 - 06:07. Astro Dark: 21:50 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
99
77
87
66
51
47
54
60
59
64
60
56
52
55
67
80
80
77
86
77
68

Low Clouds (% Sky Obscured)

33
12
11
49
35
20
21
18
23
23
32
34
34
15
16
29
35
56
77
80
69
79
77
68

Medium Clouds (% Sky Obscured)

91
73
4
0
5
15
13
4
0
1
13
17
15
0
9
22
25
18
17
17
19
22
0
0

High Clouds (% Sky Obscured)

100
100
100
96
46
16
3
0
0
1
1
8
3
25
23
2
2
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
5
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
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
None
None

Precipitation Probability (%)

40
67
51
49
31
2
0
1
2
4
12
15
8
3
1
13
28
32
27
24
21
20
22
7

Precipitation Amount (mm)

0.2
0.5
0.3
0.3
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
8
6
5
5
6
7
7
7
7
7
7
6
7
8
9
9
9
11
11
11
10
10

Chance of Frost

Temperature (°C)

25
22
20
19
18
17
17
17
16
15
15
14
14
14
14
14
15
16
17
18
18
18
18
18

Feels Like (°C)

23
20
20
18
18
18
17
17
16
15
15
14
13
13
11
13
15
15
16
14
15
15
15
14

Dew Point (°C)

15
17
17
17
17
17
16
15
14
14
13
12
11
11
11
12
11
10
9
9
9
8
7
7

Relative Humidity (%)

56
72
84
88
93
95
93
90
90
90
89
84
83
84
86
84
78
69
59
56
56
52
50
50

Pressure (mb)

1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1017

Ozone (du)

278
281
282
283
284
285
285
287
295
297
298
302
306
311
314
315
317
318
320
324
327
329
332
335

Wednesday 16

Waxing Crescent 27%

15:04

21:27

18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
00 Good
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

Sun - Rise: 07:21, Set: 19:54, Transit: 13:36. Moon - Rise: 15:04, Set: 21:27. Civil Dark: 20:27 - 06:48. Nautical Dark: 21:06 - 06:09. Astro Dark: 21:48 - 05:28

Total Clouds (% Sky Obscured)

51
40
20
30
43
36
11
79
81
100
98
100
100
100
97
97
98
99
98
100
94
100
100
100

Low Clouds (% Sky Obscured)

50
39
20
30
43
36
10
29
41
28
26
29
33
62
34
34
37
56
57
64
50
71
74
89

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
27
30
29
71
75
88
86
81
83
68
69
78
83
80
89

High Clouds (% Sky Obscured)

0
0
0
0
0
0
4
53
52
100
88
100
100
95
64
58
82
92
68
24
35
69
100
96

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
8
1
1
1
1
1
4
0
0
0
0
0
1
0
3
14
5
13
5
6
9
8
20

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
8
5
4
4
4
5
5
6
6
7
7
7
8
8
9
11
11
11
12
12
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
61
69
70
71
71
73
79
83
86
86
86
86
81
80
74
65
66
59
53
54
46
51
52

Pressure (mb)

1017
1018
1018
1018
1019
1019
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1014
1013
1013
1012

Ozone (du)

334
333
332
330
323
319
315
310
304
301
301
300
298
298
296
295
296
296
297
299
300
299
299
299

Thursday 17

Waxing Crescent 39%

16:03

22:02

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

Sun - Rise: 07:23, Set: 19:52, Transit: 13:36. Moon - Rise: 16:03, Set: 22:02. Civil Dark: 20:24 - 06:50. Nautical Dark: 21:04 - 06:11. Astro Dark: 21:45 - 05:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
97
96
90
81
72
61
52
16
13
11
11
21
37
75
89
86
85
68

Low Clouds (% Sky Obscured)

88
97
92
86
67
67
53
28
28
31
40
46
38
7
7
7
6
10
22
62
82
80
79
61

Medium Clouds (% Sky Obscured)

89
97
100
22
62
96
93
85
69
81
72
61
37
4
0
0
0
7
14
20
22
20
17
12

High Clouds (% Sky Obscured)

100
100
100
100
100
96
93
90
77
26
44
40
35
2
1
0
0
1
2
4
2
1
4
6

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 (%)

29
36
40
30
22
25
10
6
14
4
1
2
9
2
1
2
6
16
21
18
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
59
74
87
82
80
84
90
92
95
92
90
89
88
88
81
73
65
57
52
50
48
48
47

Pressure (mb)

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

Ozone (du)

297
297
297
299
299
298
299
301
302
302
301
300
301
304
307
309
304
300
298
296
296
294
292
290

Friday 18

First Quarter 49%

16:51

22:48

18 Bad
19 Bad
20 OK
21 Good
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

Sun - Rise: 07:24, Set: 19:49, Transit: 13:36. Moon - Rise: 16:51, Set: 22:48. Civil Dark: 20:22 - 06:52. Nautical Dark: 21:01 - 06:13. Astro Dark: 21:42 - 05:32

Total Clouds (% Sky Obscured)

60
54
42
17
50
64
78
88
92
94
81
66
95
99
95
92
90
93
95
97
96
94
91
85

Low Clouds (% Sky Obscured)

52
26
9
4
0
2
3
6
16
26
40
43
47
47
29
38
45
37
28
27
25
23
19
19

Medium Clouds (% Sky Obscured)

7
2
1
0
0
5
12
18
24
35
54
38
89
74
63
60
57
45
35
27
29
32
33
27

High Clouds (% Sky Obscured)

13
40
34
10
42
39
45
40
60
79
81
64
59
92
74
66
60
73
86
97
93
88
83
76

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
2
4
4
15
23
28
5
4
2
3
3
2
2
1
0
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)

7
6
6
5
4
3
4
5
6
7
7
8
9
9
9
9
10
11
11
11
11
10
10
10

Chance of Frost

Temperature (°C)

18
17
16
15
14
13
14
14
14
14
14
14
14
14
14
15
16
17
18
19
20
20
21
21

Feels Like (°C)

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

Dew Point (°C)

6
8
8
9
9
9
9
9
9
10
10
11
11
12
12
11
11
11
10
10
10
10
10
11

Relative Humidity (%)

46
53
61
68
73
74
75
74
75
76
79
83
84
87
87
79
72
66
61
55
52
51
51
50

Pressure (mb)

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

Ozone (du)

289
288
286
284
282
282
282
283
286
286
287
289
289
291
291
291
291
291
290
290
289
288
287
286

Saturday 19

Waxing Gibbous 59%

17:27

23:47

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

Sun - Rise: 07:26, Set: 19:47, Transit: 13:35. Moon - Rise: 17:27, Set: 23:47. Civil Dark: 20:20 - 06:53. Nautical Dark: 20:59 - 06:14. Astro Dark: 21:40 - 05:34

Total Clouds (% Sky Obscured)

79
70
77
84
91
81
71
63
74
79
81
83
85
86
84
82
74
75
73
70
71
77
85
86

Low Clouds (% Sky Obscured)

20
26
39
53
64
56
48
39
32
31
30
23
21
17
19
18
13
11
14
18
34
48
62
62

Medium Clouds (% Sky Obscured)

17
10
5
5
9
21
29
28
22
12
0
8
17
22
19
20
21
23
21
16
19
18
17
16

High Clouds (% Sky Obscured)

65
57
52
44
38
33
22
12
37
57
75
66
53
43
25
16
10
34
56
67
58
57
57
62

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 (%)

10
9
23
31
37
40
40
40
32
24
10
9
4
1
2
2
0
1
1
0
6
5
2
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)

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

Chance of Frost

Temperature (°C)

21
20
19
18
17
17
17
16
16
16
15
15
14
14
13
15
16
17
18
19
20
20
20
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
61
68
70
73
76
81
86
92
92
93
93
93
95
95
87
81
73
66
60
56
57
58
60

Pressure (mb)

1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

285
284
283
283
282
282
282
283
283
284
285
286
285
285
284
284
285
285
285
284
283
281
280
279

Sunday 20

Waxing Gibbous 68%

17:54

00:54

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:28, Set: 19:45, Transit: 13:35. Moon - Rise: 17:54, Set: 00:54. Civil Dark: 20:18 - 06:55. Nautical Dark: 20:57 - 06:16. Astro Dark: 21:37 - 05:35

Total Clouds (% Sky Obscured)

88
91
75
63
55
61
70
76
78
78
77
70
66
57
54
51
48
48
47
46

Low Clouds (% Sky Obscured)

64
68
55
35
13
8
4
0
1
2
4
7
14
23
19
19
20
19
18
13

Medium Clouds (% Sky Obscured)

13
11
4
4
4
8
12
15
16
16
16
13
9
5
5
5
5
4
4
3

High Clouds (% Sky Obscured)

71
84
56
30
6
26
43
58
57
59
63
52
41
28
29
32
33
34
35
38

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

10
10
7
3
0
4
5
7
10
10
4
8
12
15
21
20
16
21
24
25

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
21
20
16
17
17
17
17
17
15
16
16
16
16
16
16
16
16
16
17

Dew Point (°C)

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

Relative Humidity (%)

65
72
78
81
85
87
90
90
92
92
92
93
93
93
93
85
77
70
63
57

Pressure (mb)

1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1027
1028
1028
1028
1028
1028
1028
1027
1027

Ozone (du)

279
280
280
280
280
280
280
280
280
279
279
279
279
279
279
278
277
276
275
274

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

Generated: 14/09/26 18:49:31. Forecast: 14/09/26 to 20/09/26. Timezone: UTC+2.00