Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 4

Waning Crescent 31%

00:57

16:51

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

Sun - Rise: 07:50, Set: 19:13, Transit: 13:31. Moon - Rise: 00:57, Set: 16:51. Civil Dark: 19:46 - 07:17. Nautical Dark: 20:24 - 06:39. Astro Dark: 21:03 - 06:00

Total Clouds (% Sky Obscured)

10
8
6
8
19
13
15
16
35
48
65
100
100
92
83
78
82
75
88
88
73
81
59
55

Low Clouds (% Sky Obscured)

0
0
4
3
12
11
14
14
11
10
6
8
12
15
15
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
1
0
0
0
0
0
0
0
0
0
0
0
2
53
66
48
51
49
49
42
37
21
20

High Clouds (% Sky Obscured)

0
0
0
0
2
0
0
0
20
33
53
100
100
84
75
54
76
63
81
71
41
63
48
41

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
1
26
40
100
100
100
100
88
46

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)

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

Chance of Frost

Temperature (°C)

15
17
19
20
21
21
21
20
18
17
15
14
14
13
12
12
12
11
11
11
10
10
11
14

Feels Like (°C)

15
17
19
21
22
22
21
21
19
16
14
12
12
12
12
12
12
11
11
10
10
9
10
13

Dew Point (°C)

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

Relative Humidity (%)

58
54
48
45
43
41
40
44
50
52
54
60
64
69
70
73
73
76
76
77
78
78
72
64

Pressure (mb)

1029
1029
1029
1028
1028
1027
1027
1027
1027
1027
1027
1028
1028
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

316
318
318
312
308
304
303
300
298
296
295
292
290
288
285
282
281
280
280
280
278
274
274
273

Monday 5

Waning Crescent 21%

02:23

17:17

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

Sun - Rise: 07:51, Set: 19:11, Transit: 13:30. Moon - Rise: 02:23, Set: 17:17. Civil Dark: 19:44 - 07:19. Nautical Dark: 20:22 - 06:40. Astro Dark: 21:01 - 06:02

Total Clouds (% Sky Obscured)

40
80
85
77
91
87
71
65
50
45
24
22
20
16
15
16
18
24
50
68
68
70
35
83

Low Clouds (% Sky Obscured)

0
10
9
8
4
1
0
0
0
0
0
0
0
0
0
5
6
12
19
26
28
31
0
0

Medium Clouds (% Sky Obscured)

10
8
3
3
3
3
3
3
2
2
1
0
0
0
0
0
0
2
2
7
11
18
34
49

High Clouds (% Sky Obscured)

31
70
79
69
88
81
65
62
50
40
22
20
18
14
13
9
10
9
43
58
60
55
35
83

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 (%)

25
10
3
2
1
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)

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

Chance of Frost

Temperature (°C)

16
18
19
20
21
21
20
20
18
16
15
14
13
12
11
11
10
10
9
9
8
8
9
12

Feels Like (°C)

15
18
17
18
19
19
19
18
17
15
14
14
14
13
13
12
11
11
10
9
7
7
8
11

Dew Point (°C)

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

Relative Humidity (%)

54
48
44
40
37
34
34
39
46
52
59
63
69
70
71
71
72
72
73
73
73
73
67
60

Pressure (mb)

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

Ozone (du)

273
273
273
273
272
272
273
273
273
273
275
275
275
274
273
273
273
272
272
272
273
273
274
276

Tuesday 6

Waning Crescent 12%

03:47

17:36

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:53, Set: 19:09, Transit: 13:30. Moon - Rise: 03:47, Set: 17:36. Civil Dark: 19:42 - 07:20. Nautical Dark: 20:20 - 06:42. Astro Dark: 20:58 - 06:03

Total Clouds (% Sky Obscured)

91
63
92
86
91
100
100
92
85
94
100
83
100
100
98
93
100
100
92
100
99
84
67
58

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)

49
53
66
74
91
92
99
88
85
94
100
83
99
97
97
30
28
66
71
94
63
39
30
18

High Clouds (% Sky Obscured)

90
63
87
71
60
55
55
58
58
87
46
55
98
95
97
93
100
100
89
100
98
84
63
58

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)

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

Chance of Frost

Temperature (°C)

16
19
20
21
22
22
22
21
19
17
16
15
15
14
14
13
13
12
12
12
11
11
13
16

Feels Like (°C)

15
17
19
20
20
21
20
20
17
16
14
14
13
12
12
11
11
10
10
10
10
10
12
14

Dew Point (°C)

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

Relative Humidity (%)

53
50
48
46
44
43
44
51
56
60
62
66
68
70
70
66
65
66
66
66
67
68
64
56

Pressure (mb)

1021
1020
1020
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1013
1013
1012
1012

Ozone (du)

277
278
279
279
280
280
281
282
283
283
284
284
285
286
286
287
289
290
292
292
294
296
298
300

Wednesday 7

Waning Crescent 12%

05:08

17:52

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:54, Set: 19:07, Transit: 13:30. Moon - Rise: 05:08, Set: 17:52. Civil Dark: 19:39 - 07:22. Nautical Dark: 20:18 - 06:44. Astro Dark: 20:56 - 06:05

Total Clouds (% Sky Obscured)

72
86
84
70
91
96
99
98
100
100
100
100
100
100
100
95
91
86
90
93
97
74
75
78

Low Clouds (% Sky Obscured)

3
5
7
7
8
8
16
22
34
40
81
88
88
88
89
86
83
77
81
86
93
43
43
33

Medium Clouds (% Sky Obscured)

23
47
24
28
37
50
80
89
100
98
100
100
100
100
98
86
53
41
61
42
50
47
44
35

High Clouds (% Sky Obscured)

66
83
78
58
89
94
96
91
82
99
100
100
100
100
85
85
21
3
1
5
1
0
0
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
2
9
9
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
12
17
14
73
95
95
95
95
89
95
95
79
77
75
56
45
33
35
60
82
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.8
1
0.6
0.6
0.5
1.6
1.1
0.3
0.4
0.5
0.3
0
0
0
0.2
0.5
0.8

Wind Speed/Direction (mph)

5
5
5
5
5
5
5
6
7
7
9
11
10
8
9
10
12
11
12
13
12
11
10
12

Chance of Frost

Temperature (°C)

18
19
20
21
21
21
20
19
17
15
15
14
13
13
13
13
12
12
12
11
11
11
11
11

Feels Like (°C)

16
17
18
21
21
19
19
17
15
13
12
11
11
11
12
11
9
10
9
7
7
7
9
8

Dew Point (°C)

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

Relative Humidity (%)

50
45
40
37
35
34
34
40
45
47
54
71
80
90
90
87
90
92
86
84
72
72
73
64

Pressure (mb)

1012
1011
1010
1010
1009
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1010
1010
1010
1011
1011
1012
1013
1014
1015

Ozone (du)

300
301
302
301
300
300
301
301
299
300
301
301
298
298
303
305
308
307
306
306
310
307
303
301

Thursday 8

Waning Crescent 6%

06:27

18:05

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:56, Set: 19:05, Transit: 13:30. Moon - Rise: 06:27, Set: 18:05. Civil Dark: 19:37 - 07:23. Nautical Dark: 20:15 - 06:45. Astro Dark: 20:54 - 06:07

Total Clouds (% Sky Obscured)

72
91
69
95
92
87
77
66
57
58
58
52
67
74
80
78
80
90
98
99
99
100
100
100

Low Clouds (% Sky Obscured)

25
24
22
20
20
21
19
16
14
12
12
15
21
55
80
78
80
84
78
83
82
75
74
75

Medium Clouds (% Sky Obscured)

30
30
25
21
19
16
11
6
57
40
50
8
4
8
7
14
20
24
37
57
81
87
95
100

High Clouds (% Sky Obscured)

0
16
2
43
50
45
45
45
50
44
11
20
44
45
38
45
67
80
88
94
98
97
98
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
8
8
8
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
Very Light Rain
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

87
71
60
58
54
52
50
37
36
32
23
3
12
17
9
18
15
14
11
15
20
25
25
22

Precipitation Amount (mm)

0.6
0.4
0.2
0.2
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
14
15
15
14
13
11
10
8
7
5
6
6
6
7
7
7
8
9
9
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
42
39
37
38
41
42
47
51
53
59
60
62
62
58
55
58
61
64
70
77
84
83
80

Pressure (mb)

1016
1016
1017
1017
1018
1018
1019
1020
1020
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020

Ozone (du)

301
301
300
299
298
297
297
295
293
292
289
286
285
282
280
278
277
276
275
275
275
275
275
275

Friday 9

Waning Crescent 2%

07:45

18:18

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK

Sun - Rise: 07:58, Set: 19:02, Transit: 13:29. Moon - Rise: 07:45, Set: 18:18. Civil Dark: 19:35 - 07:25. Nautical Dark: 20:13 - 06:47. Astro Dark: 20:52 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
97
95
94
93
92
90
88
85
79
68
52
47
40
33

Low Clouds (% Sky Obscured)

89
93
97
93
88
83
72
61
53
63
75
83
86
88
91
90
88
85
74
55
38
40
37
33

Medium Clouds (% Sky Obscured)

93
85
76
76
78
80
85
91
97
93
89
82
77
71
67
54
41
28
26
22
19
11
4
2

High Clouds (% Sky Obscured)

98
96
89
70
55
35
30
30
40
33
25
9
7
3
0
0
0
0
1
1
2
1
1
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

18
24
35
44
52
57
51
46
40
35
37
43
50
53
53
69
87
95
88
60
9
13
15
18

Precipitation Amount (mm)

0
0
0
0
0.2
0.3
0.2
0
0
0
0
0
0
0
0
0.3
0.6
1
0.9
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
76
75
72
65
61
56
61
64
70
72
75
77
80
83
86
84
84
83
86
87
90
83
76

Pressure (mb)

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

Ozone (du)

275
275
275
275
273
272
270
270
271
271
273
275
277
279
281
283
286
290
294
294
295
296
295
294

Saturday 10

New Moon 0%

09:02

18:31

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

Sun - Rise: 07:59, Set: 19:00, Transit: 13:29. Moon - Rise: 09:02, Set: 18:31. Civil Dark: 19:33 - 07:26. Nautical Dark: 20:11 - 06:48. Astro Dark: 20:50 - 06:10

Total Clouds (% Sky Obscured)

53
73
94
88
82
75
58
41
23
37
50
56
57
54
56
53
47
40
54
68
80

Low Clouds (% Sky Obscured)

48
65
78
75
73
71
55
40
23
35
47
56
57
54
56
53
44
40
40
39
35

Medium Clouds (% Sky Obscured)

0
0
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
1
2
2
2
2
2
1
1
1
1
1
2
4
5
20
31
25

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

Precipitation Probability (%)

17
16
9
11
12
11
10
8
4
5
3
1
1
1
0
1
1
1
2
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
69
68
65
61
57
53
57
59
64
62
61
60
62
64
65
69
71
74
75
77

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

293
292
292
291
293
294
295
297
298
300
302
304
306
306
306
307
307
306
306
306
307

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

Generated: 04/10/26 11:53:50. Forecast: 04/10/26 to 10/10/26. Timezone: UTC+2.00