Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 4

Waning Gibbous 85%

00:08

10:07

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

Sun - Rise: 05:35, Set: 21:58, Transit: 13:47. Moon - Rise: 00:08, Set: 10:07. Civil Dark: 22:43 - 04:50. Nautical Dark: 23:50 - 03:44. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

12
6
4
3
0
0
0
0
13
46
39
47
49
59
72
32
38
43
23
33
27
45
85
91

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
13
46
39
47
49
50
48
32
38
37
6
23
14
22
38
41

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
36
27
0
0
0
5
18
15
15
19
24
35
38

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
2
1
0
30
70
2
0
0
8
4
3
3
36
50

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)

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

Chance of Frost

Temperature (°C)

12
12
12
14
16
17
19
21
23
24
25
26
26
26
25
25
24
23
22
20
19
18
17
17

Feels Like (°C)

12
11
11
13
15
16
18
19
22
23
24
24
24
24
23
23
25
25
21
21
19
19
18
17

Dew Point (°C)

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

Relative Humidity (%)

66
67
69
68
59
55
54
49
44
45
42
38
37
37
42
47
51
60
62
69
75
79
82
82

Pressure (mb)

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

Ozone (du)

337
338
341
341
339
338
338
338
338
338
338
339
339
337
335
335
334
337
339
336
337
339
340
340

Sunday 5

Waning Gibbous 77%

00:21

11:22

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:36, Set: 21:57, Transit: 13:47. Moon - Rise: 00:21, Set: 11:22. Civil Dark: 22:42 - 04:51. Nautical Dark: 23:49 - 03:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
93
98
74
70
76
85
100
100
96
94
77
73
84
93
53
70
100
100
69
100
78
97
98

Low Clouds (% Sky Obscured)

43
47
43
33
31
40
57
55
60
65
58
44
54
53
57
26
3
16
3
2
8
14
20
15

Medium Clouds (% Sky Obscured)

37
37
35
49
54
19
26
32
53
42
42
55
26
20
10
13
37
55
55
4
6
4
61
45

High Clouds (% Sky Obscured)

55
70
87
27
9
42
49
100
100
77
74
15
19
59
81
52
70
100
100
69
100
66
89
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 (%)

0
0
0
0
0
1
9
20
18
2
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)

5
5
5
5
6
8
9
11
13
13
12
12
14
13
12
11
8
5
2
2
4
5
6
7

Chance of Frost

Temperature (°C)

17
16
16
17
18
20
22
22
23
23
23
24
24
24
24
24
23
22
20
19
19
18
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
85
82
76
69
62
58
58
60
59
51
45
46
48
51
58
65
69
69
70
73
76
78

Pressure (mb)

1024
1023
1023
1023
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020

Ozone (du)

340
342
343
347
347
345
344
347
349
348
346
345
343
341
339
339
338
338
337
338
338
336
334
332

Monday 6

Waning Gibbous 67%

00:33

12:37

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:37, Set: 21:57, Transit: 13:47. Moon - Rise: 00:33, Set: 12:37. Civil Dark: 22:42 - 04:52. Nautical Dark: 23:48 - 03:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
92
64
100
83
97
96
88
80
51
53
56
61
53
78
100
77
64
67
75
90
89
96

Low Clouds (% Sky Obscured)

17
8
10
11
18
27
31
33
38
43
33
40
37
28
16
3
5
9
2
9
11
4
2
1

Medium Clouds (% Sky Obscured)

88
35
38
39
80
51
40
57
66
63
10
13
37
6
2
27
38
25
7
23
35
50
58
55

High Clouds (% Sky Obscured)

97
99
83
29
99
61
93
75
49
4
16
14
23
38
40
67
99
73
64
42
54
66
63
81

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)

8
8
9
9
10
11
12
11
11
12
13
13
13
14
13
10
8
5
2
4
5
7
7
7

Chance of Frost

Temperature (°C)

17
17
16
16
17
19
20
22
22
23
24
25
25
26
26
25
24
23
21
20
19
18
18
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
82
85
82
76
62
52
48
45
42
39
34
31
33
34
36
41
48
51
56
59
62
63
66

Pressure (mb)

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

Ozone (du)

331
333
333
332
332
333
331
331
333
335
334
333
332
332
329
328
329
329
329
329
327
327
326
326

Tuesday 7

Third Quarter 57%

00:46

13:54

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
01 OK
02 Bad
03 Bad

Sun - Rise: 05:38, Set: 21:56, Transit: 13:47. Moon - Rise: 00:46, Set: 13:54. Civil Dark: 22:41 - 04:53. Nautical Dark: 23:47 - 03:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
87
96
94
93
94
88
89
98
100
99
86
97
95
91
91
90
91
82
55
60
44
60
57

Low Clouds (% Sky Obscured)

0
3
5
7
12
15
18
14
13
13
15
17
19
22
23
30
31
32
42
47
54
31
31
30

Medium Clouds (% Sky Obscured)

64
36
30
24
32
40
47
38
30
22
20
22
23
16
8
0
3
7
9
9
5
3
10
19

High Clouds (% Sky Obscured)

97
79
89
84
63
42
15
42
74
100
99
85
95
89
82
76
73
67
49
12
7
2
12
5

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)

7
7
6
7
7
8
9
11
11
12
13
13
13
13
12
10
8
6
4
3
2
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
68
71
72
69
61
53
45
39
35
32
32
32
35
38
40
45
51
53
55
52
51
51
51

Pressure (mb)

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

Ozone (du)

328
330
331
329
327
326
325
325
324
323
323
323
322
321
320
319
319
318
318
319
318
317
316
316

Wednesday 8

Waning Crescent 45%

01:03

15:15

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

Sun - Rise: 05:39, Set: 21:56, Transit: 13:47. Moon - Rise: 01:03, Set: 15:15. Civil Dark: 22:40 - 04:54. Nautical Dark: 23:45 - 03:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

59
58
52
48
52
55
50
37
33
33
30
27
33
27
22
14
13
16
21
31
40
49
39
26

Low Clouds (% Sky Obscured)

30
24
19
17
22
28
26
26
22
18
15
16
17
14
12
13
4
7
10
4
2
0
0
0

Medium Clouds (% Sky Obscured)

28
23
18
14
18
22
24
26
26
26
26
25
24
16
9
2
10
14
17
17
20
20
20
20

High Clouds (% Sky Obscured)

6
5
3
2
2
3
3
3
3
3
4
0
0
0
4
1
1
2
3
12
22
32
21
11

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
57
61
65
61
58
53
49
39
32
29
30
31
33
35
39
45
50
56
62
65
69
72
75

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019

Ozone (du)

316
317
317
317
317
317
317
317
317
317
318
319
319
319
319
319
319
320
320
321
322
322
323
324

Thursday 9

Waning Crescent 34%

01:24

16:41

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

Sun - Rise: 05:40, Set: 21:55, Transit: 13:47. Moon - Rise: 01:24, Set: 16:41. Civil Dark: 22:39 - 04:55. Nautical Dark: 23:44 - 03:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

14
12
8
3
5
6
9
15
24
32
49
63
83
80
70
60
55
50
44
41
38
35
39
45

Low Clouds (% Sky Obscured)

0
0
0
0
1
4
7
10
14
19
27
38
49
46
41
32
33
34
34
29
24
18
10
7

Medium Clouds (% Sky Obscured)

14
12
8
3
3
2
0
2
4
6
5
4
3
8
14
17
16
8
0
0
0
1
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
6
4
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 (%)

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

Chance of Frost

Temperature (°C)

16
16
16
17
18
19
21
22
24
25
26
26
27
27
27
26
26
25
23
21
20
20
19
18

Feels Like (°C)

17
17
17
17
17
20
21
20
21
22
22
28
28
27
27
28
28
26
26
25
25
24
23
18

Dew Point (°C)

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

Relative Humidity (%)

81
85
82
77
73
64
57
50
46
42
38
36
34
33
35
38
40
46
53
61
63
63
65
69

Pressure (mb)

1019
1019
1019
1020
1020
1019
1019
1019
1019
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

325
326
327
328
329
330
331
332
333
334
335
337
339
340
341
341
341
341
340
340
339
339
338
338

Friday 10

Waning Crescent 23%

01:55

18:10

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

Sun - Rise: 05:41, Set: 21:54, Transit: 13:48. Moon - Rise: 01:55, Set: 18:10. Civil Dark: 22:38 - 04:57. Nautical Dark: 23:43 - 03:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

47
47
47
48
63
78
93
85
78
74
64
53
40
26
13
1
11
21
31
28
25
23

Low Clouds (% Sky Obscured)

5
4
2
1
2
5
9
10
13
11
9
10
10
7
3
0
3
5
8
5
3
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
2
1
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
16
35
48
62
74
80
62
41
24
21
11
2
2
1
1
1
2
3
5
7
9

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
17
18
18
20
22
24
25
26
28
28
29
30
29
28
27
26
24
22
22
21

Feels Like (°C)

18
18
18
17
16
18
18
19
19
20
21
29
28
26
27
27
27
24
24
24
24
23

Dew Point (°C)

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

Relative Humidity (%)

71
74
72
70
68
59
52
46
38
32
27
26
24
22
24
26
28
33
38
44
47
50

Pressure (mb)

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

Ozone (du)

337
337
337
337
337
338
339
340
341
342
343
342
342
341
340
339
338
338
339
339
338
337

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

Generated: 04/07/26 04:42:35. Forecast: 04/07/26 to 10/07/26. Timezone: UTC+2.00