Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 13

Waning Crescent 9%

04:22

18:39

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
18 Bad

Sun - Rise: 05:53, Set: 21:22, Transit: 13:38. Moon - Rise: 04:22, Set: 18:39. Civil Dark: 22:02 - 05:13. Nautical Dark: 22:56 - 04:18. Astro Dark: 00:11 - 03:01

Total Clouds (% Sky Obscured)

71
84
80
93
97
82
86
82
87
96
95
96
97
81
88
91
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

65
75
48
69
73
54
72
63
63
81
71
72
65
57
58
80
86
95
71
74
65
51
55
56

Medium Clouds (% Sky Obscured)

71
67
80
87
92
68
48
68
80
89
86
67
72
37
44
42
73
100
93
95
100
72
67
46

High Clouds (% Sky Obscured)

0
0
0
24
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
25
14
0
0

ISS Passover

Visibility (miles)

7
3
8
6
9
9
9
9
8
8
8
8
1
9
9
9
7
5
7
5
3
7
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

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

Precipitation Probability (%)

95
95
95
43
46
52
46
44
40
38
29
32
22
43
46
56
77
82
85
95
86
63
52
52

Precipitation Amount (mm)

0.8
0.6
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0.2
0.5
0.4
0.6
0.9
0.6
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
88
91
91
93
93
94
96
98
98
98
98
94
88
88
87
74
81
80
80
88
91
85

Pressure (mb)

1000
1000
1000
1000
1000
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999

Ozone (du)

429
434
440
443
440
439
437
435
436
438
442
439
434
432
431
432
435
436
439
439
438
436
435
436

Thursday 14

Waning Crescent 3%

04:39

No Set

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

Sun - Rise: 05:52, Set: 21:24, Transit: 13:38. Moon - Rise: 04:39, Set: No Set. Civil Dark: 22:04 - 05:11. Nautical Dark: 22:58 - 04:16. Astro Dark: 00:15 - 02:57

Total Clouds (% Sky Obscured)

98
49
89
58
68
32
5
24
7
20
68
57
90
99
89
99
99
89
100
97
95
100
100
93

Low Clouds (% Sky Obscured)

46
34
43
45
53
32
5
24
7
20
45
40
51
60
28
48
68
61
85
82
63
66
65
58

Medium Clouds (% Sky Obscured)

43
13
31
17
19
2
0
0
0
0
0
8
7
10
14
53
98
84
99
93
82
60
61
59

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
45
9
69
27
43
81
30
11
13
1
66
91
96
63

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

52
29
17
6
17
11
1
1
0
0
1
2
2
3
34
55
69
70
78
68
56
48
46
35

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0.5
0.4
0.2
0
0
0

Wind Speed/Direction (mph)

8
8
6
5
6
6
5
4
4
3
3
3
3
4
5
6
8
9
10
10
10
10
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
6
6
6
5
5
4
3
3
2
3
4
5
5
5
4
4
4
4
7
5
6

Relative Humidity (%)

78
81
87
88
90
91
90
91
90
89
89
89
89
85
79
74
69
65
64
64
61
73
64
69

Pressure (mb)

999
1000
1000
1001
1001
1002
1002
1002
1002
1002
1003
1003
1003
1004
1004
1004
1005
1005
1005
1006
1006
1006
1006
1006

Ozone (du)

436
436
435
433
432
432
431
431
432
432
432
429
426
425
424
424
425
425
425
424
422
421
419
419

Friday 15

Waning Crescent 0%

05:01

20:10

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

Sun - Rise: 05:50, Set: 21:25, Transit: 13:38. Moon - Rise: 05:01, Set: 20:10. Civil Dark: 22:06 - 05:10. Nautical Dark: 23:01 - 04:14. Astro Dark: 00:20 - 02:53

Total Clouds (% Sky Obscured)

92
82
90
93
98
98
97
98
88
69
64
62
61
43
63
55
90
85
86
76
76
71
68
64

Low Clouds (% Sky Obscured)

57
48
30
1
33
21
1
20
7
2
1
6
10
2
48
27
57
58
65
55
43
44
34
15

Medium Clouds (% Sky Obscured)

82
46
61
64
62
68
69
85
74
62
64
62
61
18
18
18
28
18
21
63
76
71
68
64

High Clouds (% Sky Obscured)

12
0
3
4
96
98
97
96
32
5
4
9
2
2
1
1
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
8
6
6
7

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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

22
0
1
0
0
2
1
2
1
1
0
0
0
2
11
38
39
46
46
51
60
61
61
68

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
10
7
6
5
4
4
4
4
5
5
5
5
5
6
6
6
6
7
7
7
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
7
6
5
5
4
4
4
3
2
2
2
4
7
9
10
9
9
10
11
10
12
11

Dew Point (°C)

6
5
6
6
5
5
5
4
4
4
3
3
3
4
4
4
3
2
3
3
4
5
6
7

Relative Humidity (%)

73
73
80
85
87
88
88
88
88
90
89
89
88
81
73
66
57
52
52
51
55
56
59
63

Pressure (mb)

1007
1007
1008
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010

Ozone (du)

418
417
415
414
414
413
413
412
411
409
409
409
410
411
410
408
407
409
412
414
413
411
406
402

Saturday 16

New Moon 1%

05:33

21:44

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
18 Bad

Sun - Rise: 05:49, Set: 21:27, Transit: 13:39. Moon - Rise: 05:33, Set: 21:44. Civil Dark: 22:07 - 05:08. Nautical Dark: 23:03 - 04:12. Astro Dark: 00:24 - 02:48

Total Clouds (% Sky Obscured)

57
67
70
83
74
84
94
100
80
77
82
91
94
89
90
97
99
100
96
98
96
96
94
99

Low Clouds (% Sky Obscured)

1
18
40
63
66
69
74
80
80
77
82
78
71
82
85
89
93
95
94
93
85
88
59
63

Medium Clouds (% Sky Obscured)

57
67
60
71
28
20
20
38
27
29
41
79
91
76
58
57
59
80
65
79
80
75
43
93

High Clouds (% Sky Obscured)

0
0
0
0
28
53
86
83
70
61
40
20
0
0
0
0
0
0
0
0
2
2
36
68

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

66
54
33
8
3
4
5
9
12
12
13
14
15
15
13
11
11
8
10
24
53
67
76
77

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
81
84
88
90
88
93
93
90
91
91
91
90
84
78
73
72
84
81
72
69
68
78
75

Pressure (mb)

1011
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012

Ozone (du)

403
402
402
399
397
395
394
394
393
393
392
391
392
391
390
393
400
405
405
400
398
398
400
401

Sunday 17

Waxing Crescent 5%

06:19

23:13

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
18 Bad

Sun - Rise: 05:48, Set: 21:28, Transit: 13:39. Moon - Rise: 06:19, Set: 23:13. Civil Dark: 22:09 - 05:07. Nautical Dark: 23:05 - 04:10. Astro Dark: 00:29 - 02:44

Total Clouds (% Sky Obscured)

100
99
99
98
97
96
96
97
98
100
100
100
100
86
85
86
80
76
71
76
82
88
78
64

Low Clouds (% Sky Obscured)

65
61
61
60
61
61
50
67
56
45
45
42
40
41
38
43
46
52
52
56
57
56
41
24

Medium Clouds (% Sky Obscured)

100
97
95
92
92
93
95
96
98
100
90
83
71
20
30
70
69
57
45
33
18
5
24
43

High Clouds (% Sky Obscured)

100
85
79
68
45
23
1
34
69
100
100
100
98
3
7
10
18
26
35
48
58
70
49
32

ISS Passover

Visibility (miles)

9
9
9
7
8
8
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

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

Precipitation Probability (%)

83
74
65
71
76
60
38
25
25
26
26
21
10
5
4
2
18
27
42
47
51
52
51
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
91
95
96
96
96
96
95
96
95
95
95
91
83
75
68
63
59
55
58
60
63
70

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

405
408
406
407
408
409
410
414
416
419
419
419
420
419
421
422
424
425
426
427
419
411
403
398

Monday 18

Waxing Crescent 12%

07:24

00:28

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
18 Bad

Sun - Rise: 05:46, Set: 21:29, Transit: 13:39. Moon - Rise: 07:24, Set: 00:28. Civil Dark: 22:11 - 05:05. Nautical Dark: 23:07 - 04:08. Astro Dark: 00:33 - 02:39

Total Clouds (% Sky Obscured)

44
42
45
47
67
86
100
93
87
80
88
94
100
100
100
100
100
100
100
98
96
95
92
90

Low Clouds (% Sky Obscured)

6
5
7
9
28
41
59
68
69
69
68
67
65
60
60
50
54
66
76
69
56
48
53
55

Medium Clouds (% Sky Obscured)

44
42
45
45
59
72
86
87
86
80
84
78
73
74
76
78
69
63
56
47
42
28
26
24

High Clouds (% Sky Obscured)

14
13
11
5
37
67
100
76
52
27
51
75
100
100
100
100
100
100
100
68
37
4
6
8

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 (%)

50
44
34
18
17
13
4
9
9
4
12
13
11
10
9
11
24
29
31
28
22
16
17
19

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
90
91
91
95
93
93
93
93
95
93
93
93
91
90
87
84
86
89
90
87
83
81
82

Pressure (mb)

1016
1016
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1018

Ozone (du)

392
386
384
381
379
380
380
381
380
379
377
376
375
374
375
376
376
377
378
378
379
380
380
380

Tuesday 19

Waxing Crescent 21%

08:45

01:22

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: 05:45, Set: 21:31, Transit: 13:39. Moon - Rise: 08:45, Set: 01:22. Civil Dark: 22:12 - 05:04. Nautical Dark: 23:09 - 04:06. Astro Dark: 00:38 - 02:34

Total Clouds (% Sky Obscured)

87
87
87
84
77
69
64
74
86
98
98
98
98
96
96
96
93
91
87

Low Clouds (% Sky Obscured)

57
43
29
20
18
17
15
26
37
47
58
65
79
75
72
68
62
54
45

Medium Clouds (% Sky Obscured)

21
19
25
31
42
40
38
39
40
40
55
65
75
77
82
88
80
73
65

High Clouds (% Sky Obscured)

6
10
13
14
21
34
54
74
86
96
90
87
79
78
68
60
65
74
87

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

18
22
20
15
14
10
4
7
5
0
4
2
1
4
4
1
8
11
13

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
13
14
13
13
12
12
9
9
9
9
8
8
11
11
11
12
12

Dew Point (°C)

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

Relative Humidity (%)

85
86
89
92
95
95
95
95
95
95
96
95
93
92
86
80
74
67
61

Pressure (mb)

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

Ozone (du)

379
378
378
378
377
376
375
375
373
372
371
372
373
374
374
374
375
371
368

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

Generated: 13/05/26 19:28:32. Forecast: 13/05/26 to 19/05/26. Timezone: UTC+2.00