Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 25

First Quarter 49%

10:54

03:49

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:30, Set: 19:04, Transit: 12:48. Moon - Rise: 10:54, Set: 03:49. Civil Dark: 19:37 - 05:57. Nautical Dark: 20:16 - 05:17. Astro Dark: 20:57 - 04:36

Total Clouds (% Sky Obscured)

46
58
67
75
79
94
92
78
100
100
97
55
96
100
100
100
75
91
68
86
84
68
75
70

Low Clouds (% Sky Obscured)

35
58
61
35
47
44
48
69
63
50
61
45
45
64
57
64
55
65
44
67
71
68
57
46

Medium Clouds (% Sky Obscured)

46
58
67
75
55
88
86
56
98
100
89
14
70
75
100
100
34
76
62
77
68
50
71
70

High Clouds (% Sky Obscured)

15
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
8

ISS Passover

Visibility (miles)

6
7
6
7
9
9
8
4
8
6
8
9
9
9
9
9
9
9
6
7
6
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

Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
Snow
Sleet
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
95
64
61
47
52
50
56
59
40
15
22
25
22
22
34
56
71
79
79
71
61
59

Precipitation Amount (mm)

0.7
0.8
0.5
0.3
0.3
0
0.2
0
0.2
0.3
0
0
0
0
0
0
0
0.2
0.4
0.5
0.6
0.4
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
-1
-1
-1
0
1
-1
-1
-1
-1
-1
-1
-0
0
-1
-1
-1
1
-1
-1
-0
1
1
1

Dew Point (°C)

0
-1
-1
0
1
1
1
1
0
1
1
1
1
0
0
0
0
0
-1
-2
-2
-2
-2
-1

Relative Humidity (%)

56
61
69
70
71
78
79
80
77
82
86
85
83
82
82
82
82
79
71
63
60
57
55
55

Pressure (mb)

1006
1007
1008
1008
1009
1009
1010
1010
1011
1012
1012
1013
1014
1014
1015
1016
1017
1018
1018
1019
1019
1019
1020
1020

Ozone (du)

407
409
413
421
423
421
424
429
433
434
432
425
424
430
425
411
406
401
397
395
395
395
393
388

Thursday 26

Waxing Gibbous 61%

12:17

04:28

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

Sun - Rise: 06:28, Set: 19:05, Transit: 12:47. Moon - Rise: 12:17, Set: 04:28. Civil Dark: 19:38 - 05:55. Nautical Dark: 20:18 - 05:15. Astro Dark: 20:59 - 04:33

Total Clouds (% Sky Obscured)

81
98
72
80
82
68
65
54
45
78
73
81
84
61
93
82
75
75
65
72
87
82
68
92

Low Clouds (% Sky Obscured)

50
71
57
43
47
47
42
34
33
61
61
40
70
28
27
43
60
34
21
0
15
48
51
58

Medium Clouds (% Sky Obscured)

81
65
70
28
22
15
16
15
11
23
33
20
24
9
20
8
6
10
14
25
45
45
38
60

High Clouds (% Sky Obscured)

30
1
1
6
3
1
1
1
5
7
2
0
0
3
0
5
26
7
6
9
2
2
1
3

ISS Passover

Visibility (miles)

7
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 (%)

47
47
40
23
7
16
0
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)

15
15
14
12
9
7
4
3
3
4
4
5
5
4
3
4
5
7
9
9
9
8
8
9

Chance of Frost

Temperature (°C)

7
7
6
6
4
4
3
3
2
2
1
1
1
1
1
1
1
3
4
6
8
9
10
10

Feels Like (°C)

1
1
0
1
0
0
1
2
1
-2
-2
-3
-2
-2
-2
-2
-2
0
2
3
5
6
6
7

Dew Point (°C)

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

Relative Humidity (%)

55
57
62
67
72
77
77
77
79
78
77
77
77
77
80
83
84
80
71
65
62
58
54
52

Pressure (mb)

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

Ozone (du)

383
379
376
370
367
364
362
358
354
352
350
348
346
341
337
334
332
330
329
329
329
330
330
330

Friday 27

Waxing Gibbous 72%

13:42

04:55

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:25, Set: 19:07, Transit: 12:47. Moon - Rise: 13:42, Set: 04:55. Civil Dark: 19:40 - 05:52. Nautical Dark: 20:20 - 05:13. Astro Dark: 21:01 - 04:31

Total Clouds (% Sky Obscured)

93
95
97
100
100
100
100
99
100
100
100
100
96
100
99
94
96
83
79
73
75
57
69
56

Low Clouds (% Sky Obscured)

83
78
96
100
100
100
91
89
100
100
100
100
93
90
80
86
81
63
71
63
67
56
62
50

Medium Clouds (% Sky Obscured)

68
74
70
62
60
67
81
98
98
98
98
100
91
100
98
76
95
82
76
38
0
0
4
6

High Clouds (% Sky Obscured)

1
5
31
8
87
100
100
34
15
5
71
10
15
15
20
25
20
15
15
5
3
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
4
5
5
5
2
5
6
9
9
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

5
16
30
33
38
47
44
43
54
75
95
95
95
95
95
95
78
52
34
43
31
26
10
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0.8
0.9
1
0.6
0.8
0.8
0.4
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
2
3
3
4
4
4
4
4
5
5
6
6
6
6
6
6
6
6
6
5
4
2
-1

Relative Humidity (%)

53
57
66
70
77
81
82
81
82
85
90
91
93
94
94
96
94
91
93
88
74
69
55
47

Pressure (mb)

1022
1022
1021
1021
1021
1021
1021
1021
1021
1020
1019
1019
1019
1019
1019
1019
1020
1021
1022
1023
1023
1024
1024
1024

Ozone (du)

330
330
331
331
332
332
331
331
332
333
333
332
333
334
335
338
340
342
345
349
354
360
366
378

Saturday 28

Waxing Gibbous 82%

16:05

06:14

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

Sun - Rise: 07:23, Set: 19:09, Transit: 13:47. Moon - Rise: 16:05, Set: 06:14. Civil Dark: 19:42 - 06:50. Nautical Dark: 20:21 - 06:10. Astro Dark: 21:03 - 05:28

Total Clouds (% Sky Obscured)

47
44
40
42
40
16
4
4
4
24
4
2
1
7
9
15
16
26
19
41
75
98
98
98

Low Clouds (% Sky Obscured)

44
44
40
36
31
16
4
3
2
1
0
0
0
5
9
15
15
15
15
20
36
40
47
54

Medium Clouds (% Sky Obscured)

9
6
3
29
40
1
0
2
4
24
4
0
0
0
0
0
0
0
0
0
0
0
18
39

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
36
65
96
96
98

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 (%)

3
8
20
8
4
2
0
0
0
0
0
0
0
0
0
0
0
0
17
9
17
5
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)

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

Chance of Frost

Temperature (°C)

10
10
9
8
7
6
5
4
4
3
3
3
2
2
2
2
2
4
6
7
9
9
10
11

Feels Like (°C)

4
5
5
5
4
2
3
3
2
1
-0
1
1
1
0
1
0
3
3
5
6
6
6
7

Dew Point (°C)

-2
-2
-1
-1
1
2
2
1
1
1
0
0
-0
-1
-1
-1
-1
1
1
1
1
0
0
-1

Relative Humidity (%)

43
45
50
54
65
75
80
80
82
82
82
83
83
83
83
84
84
80
74
65
58
53
49
46

Pressure (mb)

1025
1025
1026
1027
1028
1028
1029
1030
1030
1031
1031
1031
1031
1031
1032
1032
1032
1032
1033
1033
1032
1032
1031
1030

Ozone (du)

387
393
395
401
404
409
411
408
404
405
403
399
398
394
392
391
392
387
386
383
383
381
379
379

Sunday 29

Waxing Gibbous 89%

16:05

06:29

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:21, Set: 20:10, Transit: 13:46. Moon - Rise: 16:05, Set: 06:29. Civil Dark: 20:43 - 06:48. Nautical Dark: 21:23 - 06:08. Astro Dark: 22:05 - 05:25

Total Clouds (% Sky Obscured)

98
100
100
100
88
100
100
100
100
100
100
89
79
68
72
74
76
95
94
94
95
98
100
100

Low Clouds (% Sky Obscured)

54
41
34
36
38
47
69
88
98
100
100
87
75
62
65
70
76
78
78
73
69
62
61
60

Medium Clouds (% Sky Obscured)

39
57
59
55
53
54
80
79
91
84
70
79
61
25
43
11
16
62
50
26
32
41
48
46

High Clouds (% Sky Obscured)

98
100
100
100
88
100
100
100
68
35
3
2
6
1
1
1
5
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
11
16
19
30
50
60
65
70
72
57
42
20
50
40
25
30
35
40
45

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-1
1
2
2
2
3
4
4
5
6
6
6
6
6
6
7
7
8
8
8
8
8

Relative Humidity (%)

46
46
46
51
58
64
71
75
79
84
87
90
90
90
90
90
90
93
91
91
93
87
81
77

Pressure (mb)

1030
1029
1028
1027
1026
1026
1025
1024
1023
1022
1021
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018

Ozone (du)

379
376
372
367
365
362
362
359
359
356
355
351
347
343
338
337
334
332
330
329
328
327
326
326

Monday 30

Waxing Gibbous 95%

17:24

06:41

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:19, Set: 20:12, Transit: 13:46. Moon - Rise: 17:24, Set: 06:41. Civil Dark: 20:45 - 06:46. Nautical Dark: 21:25 - 06:05. Astro Dark: 22:08 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
89
78
67
70
73
76
82
87
89
89
86
87
79
72
66
72

Low Clouds (% Sky Obscured)

63
62
71
78
86
78
72
69
77
71
62
69
73
76
81
81
81
79
80
77
68
65
64
70

Medium Clouds (% Sky Obscured)

40
37
29
16
12
13
15
16
11
8
1
3
4
5
4
3
2
3
3
6
8
11
11
12

High Clouds (% Sky Obscured)

2
0
0
0
0
2
5
3
2
0
0
0
0
0
0
0
0
0
1
1
1
1
0
4

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

Precipitation Probability (%)

50
54
57
61
66
66
66
64
66
68
68
52
40
22
20
22
26
23
20
15
17
20
20
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
13
12
11
11
10
9
9
8
9
11
12
12
12
12
10
9
8
10
12
15
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
85
81
78
77
78
81
82
85
88
93
90
88
87
90
93
96
93
91
90
85
83
79

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023

Ozone (du)

324
322
321
321
321
321
320
319
318
318
318
318
319
319
320
318
317
315
313
311
309
309
308
307

Tuesday 31

Waxing Gibbous 99%

18:40

06:53

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
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:17, Set: 20:13, Transit: 13:46. Moon - Rise: 18:40, Set: 06:53. Civil Dark: 20:47 - 06:43. Nautical Dark: 21:27 - 06:03. Astro Dark: 22:10 - 05:20

Total Clouds (% Sky Obscured)

78
84
84
84
85
86
88
90
89
87
86
78
71
64
74
82
93
83
73
62
71
81
92

Low Clouds (% Sky Obscured)

72
80
81
81
80
81
80
83
79
75
71
65
60
55
60
62
71
67
63
59
58
57
60

Medium Clouds (% Sky Obscured)

16
15
13
10
8
9
13
18
25
24
25
26
28
26
38
44
56
39
21
3
3
3
4

High Clouds (% Sky Obscured)

8
21
8
7
0
0
0
0
0
0
0
1
3
5
22
41
57
39
21
8
6
5
3

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

Fog (%)

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

Precipitation Probability (%)

30
34
31
26
16
16
21
24
12
19
24
19
12
5
8
7
2
3
4
1
5
6
4

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

Wind Speed/Direction (mph)

16
15
15
13
11
10
9
9
9
9
8
8
8
8
8
8
8
8
8
9
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
7
8
8
7
6
6
7
7
7
7
6
7
7
7
7
7
4
4
5
6
6

Dew Point (°C)

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

Relative Humidity (%)

77
76
73
76
78
81
82
84
85
87
90
90
91
93
94
94
94
94
87
81
74
74
72

Pressure (mb)

1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

309
311
312
318
324
329
327
326
324
325
325
326
327
328
328
329
330
331
332
332
332
332
332

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

Generated: 25/03/26 15:43:15. Forecast: 25/03/26 to 31/03/26. Timezone: UTC+1.00