Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 6

Waning Crescent 18%

01:45

18:49

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

Sun - Rise: 07:06, Set: 20:14, Transit: 13:40. Moon - Rise: 01:45, Set: 18:49. Civil Dark: 20:48 - 06:32. Nautical Dark: 21:28 - 05:52. Astro Dark: 22:12 - 05:08

Total Clouds (% Sky Obscured)

95
98
99
100
100
72
34
41
85
99
96
84
39
39
43
49
56
71
100
100
100
100
99
94

Low Clouds (% Sky Obscured)

0
17
0
0
0
0
0
0
0
0
0
0
0
0
26
29
24
54
20
33
19
3
15
2

Medium Clouds (% Sky Obscured)

95
77
84
89
40
15
5
23
58
12
15
26
0
0
8
8
16
33
9
0
25
13
38
9

High Clouds (% Sky Obscured)

95
98
99
100
100
45
28
3
52
99
89
61
39
39
1
3
29
25
100
100
100
100
90
83

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
4
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 (%)

5
0
3
0
0
0
13
5
13
1
31
27
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
3
4
5
5
5
5
6
6
7
7
8
11
12
13
14
14
15
14
11
12
10
8
7

Chance of Frost

Temperature (°C)

19
19
19
19
18
18
17
17
17
18
20
21
23
25
26
26
26
26
25
24
23
22
20
19

Feels Like (°C)

18
17
17
16
16
16
15
16
17
16
19
19
21
23
23
24
25
24
23
22
21
20
19
18

Dew Point (°C)

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

Relative Humidity (%)

44
44
41
43
47
48
49
56
58
60
58
55
54
47
48
48
44
45
47
55
59
62
67
73

Pressure (mb)

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

Ozone (du)

292
292
294
295
297
298
298
296
298
298
298
297
297
298
300
300
299
298
297
298
296
297
296
295

Monday 7

Waning Crescent 10%

03:13

19:12

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
22 Bad

Sun - Rise: 07:07, Set: 20:12, Transit: 13:40. Moon - Rise: 03:13, Set: 19:12. Civil Dark: 20:45 - 06:34. Nautical Dark: 21:26 - 05:53. Astro Dark: 22:09 - 05:10

Total Clouds (% Sky Obscured)

99
97
97
94
84
92
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
85
89

Low Clouds (% Sky Obscured)

23
41
27
87
72
58
89
92
95
94
91
75
90
75
81
83
92
92
81
58
81
67
66
36

Medium Clouds (% Sky Obscured)

4
10
8
52
5
11
13
15
16
16
25
34
50
100
100
100
100
100
100
100
22
24
16
17

High Clouds (% Sky Obscured)

96
91
65
63
27
55
57
95
92
99
99
95
90
96
100
100
100
100
100
100
100
84
30
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
2
2
6
10
5
6
28
35
36
45
71
82
95
80
65
34
10
6
22
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
18
17
17
17
17
17
16
16
17
17
18
18
18
17
17
16
16
16
16
16
15
15

Feels Like (°C)

18
18
17
16
16
17
17
16
16
16
16
16
16
16
17
16
15
14
14
14
15
15
14
14

Dew Point (°C)

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

Relative Humidity (%)

78
82
82
86
81
83
90
87
87
87
87
83
74
66
70
78
76
89
89
87
86
87
93
95

Pressure (mb)

1017
1017
1016
1016
1015
1015
1014
1013
1013
1013
1013
1012
1012
1011
1011
1011
1011
1011
1010
1010
1009
1009
1009
1010

Ozone (du)

295
295
295
296
296
296
295
293
293
293
294
295
295
296
296
297
298
298
300
304
305
305
309
313

Tuesday 8

Waning Crescent 4%

04:41

19:30

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

Sun - Rise: 07:09, Set: 20:10, Transit: 13:39. Moon - Rise: 04:41, Set: 19:30. Civil Dark: 20:43 - 06:36. Nautical Dark: 21:23 - 05:55. Astro Dark: 22:07 - 05:12

Total Clouds (% Sky Obscured)

89
75
35
36
24
0
0
0
17
31
30
37
70
89
81
67
60
68
33
22
6
13
0
0

Low Clouds (% Sky Obscured)

38
24
32
30
18
0
0
0
13
25
30
37
51
71
55
48
45
63
32
22
5
9
0
0

Medium Clouds (% Sky Obscured)

11
14
0
0
0
0
0
0
0
0
0
0
21
15
11
14
11
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

30
22
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
0
0
1
0
1
9
36
42
29
23
13
2
3
1
1
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
7
8
8
8
8
8
8
9
10
12
13
13
12
12
12
12
11
11
8
6
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
87
87
86
81
83
85
87
87
83
72
63
59
66
62
53
48
46
50
56
59
60
66

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1015
1015
1015
1015
1015
1016
1016
1017
1017
1018

Ozone (du)

314
317
321
328
329
331
332
331
334
337
340
345
348
352
355
357
346
340
337
335
334
334
336
334

Wednesday 9

Waning Crescent 1%

06:07

19:45

23 Good
00 OK
01 OK
02 OK
03 OK
04 OK
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 OK
18 OK
19 OK
20 OK
21 Bad
22 Bad

Sun - Rise: 07:10, Set: 20:07, Transit: 13:39. Moon - Rise: 06:07, Set: 19:45. Civil Dark: 20:41 - 06:37. Nautical Dark: 21:21 - 05:57. Astro Dark: 22:04 - 05:14

Total Clouds (% Sky Obscured)

11
23
35
39
42
43
76
96
100
100
100
100
100
100
100
98
96
79
47
45
26
34
73
97

Low Clouds (% Sky Obscured)

6
12
19
17
14
11
12
13
14
12
9
6
11
17
23
21
17
13
16
29
9
21
59
26

Medium Clouds (% Sky Obscured)

4
8
11
6
2
0
2
5
10
10
10
12
15
25
94
96
96
63
20
16
12
12
11
12

High Clouds (% Sky Obscured)

0
0
0
17
32
36
70
94
100
100
100
100
100
100
100
74
57
5
2
0
0
10
36
93

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
3
4
5
5
5
6
6
6
6
8
8
9
10
10
10
10
10
9
8
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
70
71
73
73
74
77
83
85
81
73
67
61
55
48
44
42
41
43
45
51
59
62
67

Pressure (mb)

1018
1018
1019
1019
1019
1018
1018
1019
1019
1019
1019
1019
1020
1020
1019
1019
1019
1019
1018
1019
1018
1018
1019
1019

Ozone (du)

330
328
325
319
317
316
315
312
311
311
309
308
307
308
308
309
309
310
314
316
312
306
304
303

Thursday 10

Waning Crescent 0%

07:29

19:58

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
22 Bad

Sun - Rise: 07:12, Set: 20:05, Transit: 13:39. Moon - Rise: 07:29, Set: 19:58. Civil Dark: 20:38 - 06:39. Nautical Dark: 21:18 - 05:59. Astro Dark: 22:01 - 05:16

Total Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
100
97
94
85
90
89
88
82
75
66
71
78
86
91
94
96

Low Clouds (% Sky Obscured)

16
10
3
0
37
31
29
67
55
19
21
36
55
57
77
72
64
54
62
75
86
91
93
95

Medium Clouds (% Sky Obscured)

15
22
18
55
97
97
97
98
100
97
94
36
30
73
50
45
39
33
25
17
9
8
10
7

High Clouds (% Sky Obscured)

94
97
100
100
100
100
100
100
91
47
22
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
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 (%)

0
0
0
0
3
4
8
16
19
24
31
28
32
19
19
29
34
37
36
36
29
22
15
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
77
80
80
81
80
79
75
71
71
69
66
66
71
63
63
62
59
59
62
68
72
73
75

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1022

Ozone (du)

301
300
298
296
294
294
292
293
293
294
293
294
295
298
299
301
304
307
310
312
314
316
312
309

Friday 11

New Moon 2%

08:48

20:11

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
22 Bad

Sun - Rise: 07:14, Set: 20:03, Transit: 13:38. Moon - Rise: 08:48, Set: 20:11. Civil Dark: 20:36 - 06:40. Nautical Dark: 21:16 - 06:00. Astro Dark: 21:58 - 05:18

Total Clouds (% Sky Obscured)

89
83
76
84
91
100
89
77
65
68
71
74
79
82
84
87
92
96
96
95
91
85
79
74

Low Clouds (% Sky Obscured)

89
83
76
83
82
81
60
38
13
13
16
20
10
6
2
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

6
6
4
4
1
0
0
0
0
0
0
0
0
2
4
5
5
4
3
2
1
6
10
10

High Clouds (% Sky Obscured)

0
0
0
28
55
83
69
55
42
39
30
25
35
44
54
68
81
89
87
85
82
77
71
65

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 (%)

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

Chance of Frost

Temperature (°C)

16
16
16
16
15
15
15
14
14
13
15
17
19
20
21
22
22
22
23
22
21
20
18
17

Feels Like (°C)

17
17
17
16
16
15
15
16
15
15
14
15
15
16
16
17
22
20
20
20
21
21
17
17

Dew Point (°C)

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

Relative Humidity (%)

78
78
81
80
83
84
87
87
89
90
82
73
65
58
51
46
44
42
40
44
47
53
56
62

Pressure (mb)

1022
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1021
1022
1022

Ozone (du)

305
305
304
304
303
302
301
300
298
296
296
296
295
293
291
289
288
288
287
287
288
289
289
289

Saturday 12

Waxing Crescent 7%

10:06

20:25

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: 07:15, Set: 20:01, Transit: 13:38. Moon - Rise: 10:06, Set: 20:25. Civil Dark: 20:34 - 06:42. Nautical Dark: 21:14 - 06:02. Astro Dark: 21:56 - 05:20

Total Clouds (% Sky Obscured)

72
70
65
73
82
90
90
91
92
94
95
97
96
94
93
93
95
97
94
91
88

Low Clouds (% Sky Obscured)

0
0
0
10
18
27
41
56
71
79
88
96
96
94
93
90
87
91
81
65
51

Medium Clouds (% Sky Obscured)

18
24
29
28
28
27
31
35
40
59
78
95
67
39
15
17
19
19
34
41
47

High Clouds (% Sky Obscured)

67
70
65
63
66
73
71
69
67
77
73
77
49
33
2
4
6
9
18
28
41

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
4
1
3
4
5
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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
2
4
4
25
48
74
95
95
95
82
56
33
39
39
34
29
22
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.7
0.9
1.1
1.1
0.6
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
69
73
75
74
74
73
79
86
95
95
96
96
93
92
88
86
88
88
85
84

Pressure (mb)

1022
1022
1021
1021
1021
1020
1020
1020
1020
1019
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

289
289
289
290
291
293
295
297
299
300
303
306
309
306
303
300
299
298
297
297
296

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

Generated: 06/09/26 22:43:13. Forecast: 06/09/26 to 12/09/26. Timezone: UTC+2.00