Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 0%

06:13

21:05

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 OK
22 OK
23 OK
00 OK

Sun - Rise: 06:36, Set: 20:33, Transit: 13:35. Moon - Rise: 06:13, Set: 21:05. Civil Dark: 21:08 - 06:01. Nautical Dark: 21:52 - 05:18. Astro Dark: 22:40 - 04:29

Total Clouds (% Sky Obscured)

74
70
89
82
67
100
100
100
89
74
64
55
57
80
89
92
88
78
72
73
43
33
27
35

Low Clouds (% Sky Obscured)

44
59
64
60
35
24
0
0
0
55
52
55
57
54
47
45
63
62
45
35
0
0
5
0

Medium Clouds (% Sky Obscured)

3
5
2
22
33
68
73
99
81
44
16
4
1
27
33
34
25
35
36
33
20
16
14
14

High Clouds (% Sky Obscured)

55
70
89
31
36
99
100
99
53
7
21
9
1
51
73
58
29
8
5
18
14
1
3
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
15
0
0
0
0
0
13
0
0
0
1
0
0
0
1
0
2
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
3
3
3
4
3
3
2
3
3
4
4
5
5
6
5
4
3
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
6
6
6
5
4
4
5
8
9
11
12
13
14
14
13
12
13
13
11
10
9
8
8

Dew Point (°C)

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

Relative Humidity (%)

90
90
88
88
87
85
85
79
72
64
58
51
47
44
45
45
50
59
67
70
70
69
69
69

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

358
355
354
356
357
358
362
361
363
361
358
356
357
358
358
357
356
355
354
353
352
353
353
354

Saturday 18

Waxing Crescent 2%

06:32

22:37

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
23 Bad
00 Bad

Sun - Rise: 06:34, Set: 20:35, Transit: 13:35. Moon - Rise: 06:32, Set: 22:37. Civil Dark: 21:10 - 05:59. Nautical Dark: 21:54 - 05:15. Astro Dark: 22:43 - 04:26

Total Clouds (% Sky Obscured)

98
87
90
80
97
92
97
97
97
93
92
85
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

5
39
59
48
73
51
43
48
61
64
30
66
59
63
76
77
70
55
61
81
89
99
100
100

Medium Clouds (% Sky Obscured)

22
34
49
54
65
59
67
90
95
91
92
79
76
86
84
100
90
94
100
100
100
96
100
100

High Clouds (% Sky Obscured)

78
65
26
18
21
43
62
51
23
12
26
8
18
68
89
100
100
100
98
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
4
4
4
5
5
6
8
8
9
9
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
95
92

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
1
2
8
42
68
77
73
66
72
66
57
68
63
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.5
0.4
0.3
0.5
0.3
0
0.2
0
1.1
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
73
73
74
73
74
74
74
74
70
69
65
60
60
69
73
80
86
95
98
98
96
96
100

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

354
354
356
356
355
358
358
357
354
351
352
354
356
356
355
356
357
359
362
363
365
366
366
366

Sunday 19

Waxing Crescent 6%

06:58

00:08

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
23 Bad
00 Bad

Sun - Rise: 06:32, Set: 20:37, Transit: 13:34. Moon - Rise: 06:58, Set: 00:08. Civil Dark: 21:12 - 05:57. Nautical Dark: 21:56 - 05:13. Astro Dark: 22:46 - 04:23

Total Clouds (% Sky Obscured)

92
93
93
85
73
68
61
62
61
57
63
77
84
83
83
89
85
82
75
81
80
84
87
91

Low Clouds (% Sky Obscured)

82
87
85
78
70
63
57
62
61
57
63
50
49
47
70
75
79
82
75
81
80
84
87
91

Medium Clouds (% Sky Obscured)

86
73
89
59
55
50
50
0
0
0
0
20
21
19
10
13
10
0
6
0
0
0
0
1

High Clouds (% Sky Obscured)

23
7
19
25
30
40
35
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
7
9
9
9
9
9

Fog (%)

68
5
38
100
100
99
44
50
41
1
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
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

62
10
6
3
3
1
0
0
0
4
22
23
25
23
37
50
59
62
44
15
13
7
11
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
94
96
94
96
94
94
93
86
78
67
60
59
61
68
60
73
71
82
86
89
93
94
94

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023

Ozone (du)

367
368
368
369
372
374
377
381
389
398
402
405
405
405
406
407
408
408
410
411
411
412
413
412

Monday 20

Waxing Crescent 14%

07:35

No Set

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 OK
19 Good
20 OK
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:30, Set: 20:38, Transit: 13:34. Moon - Rise: 07:35, Set: No Set. Civil Dark: 21:14 - 05:55. Nautical Dark: 21:58 - 05:10. Astro Dark: 22:48 - 04:20

Total Clouds (% Sky Obscured)

100
100
100
100
99
98
98
87
77
67
70
73
76
77
76
77
52
29
4
22
42
61
63
63

Low Clouds (% Sky Obscured)

100
100
100
100
99
98
98
85
72
59
64
70
76
64
51
39
26
13
0
17
34
51
53
56

Medium Clouds (% Sky Obscured)

1
2
3
4
3
1
0
1
2
2
1
1
0
7
16
24
20
11
0
5
8
9
6
4

High 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

ISS Passover

Visibility (miles)

9
9
9
4
0
0
5
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 (%)

5
8
7
2
8
6
1
0
1
1
3
19
5
2
15
4
21
24
3
0
0
0
0
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
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
4
4
3
3
3
2
2
3
3
4
5
6
6
6
6
7
6
6
5
3
2
2
1

Feels Like (°C)

3
4
3
2
2
1
-0
-1
1
2
2
2
2
2
2
3
3
2
2
2
1
0
1
0

Dew Point (°C)

3
3
3
3
3
3
2
1
1
-1
-3
-4
-4
-3
-2
-2
-1
1
1
1
2
1
1
0

Relative Humidity (%)

94
96
98
100
100
100
96
94
86
76
62
55
52
54
57
57
59
67
71
78
89
91
93
93

Pressure (mb)

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

Ozone (du)

411
412
412
412
413
414
415
416
415
413
410
407
405
405
405
405
406
407
406
407
410
413
416
418

Tuesday 21

Waxing Crescent 23%

08:28

01:30

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 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:28, Set: 20:40, Transit: 13:34. Moon - Rise: 08:28, Set: 01:30. Civil Dark: 21:15 - 05:52. Nautical Dark: 22:00 - 05:08. Astro Dark: 22:51 - 04:17

Total Clouds (% Sky Obscured)

61
77
86
93
91
96
77
75
74
69
84
94
94
87
81
68
53
41
31
46
61
81
76
70

Low Clouds (% Sky Obscured)

59
72
83
93
91
96
77
75
74
69
72
74
75
70
67
58
46
37
29
30
30
29
21
14

Medium Clouds (% Sky Obscured)

2
10
14
20
17
16
11
15
23
28
31
30
25
19
8
0
1
1
2
3
4
6
7
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
33
61
81
69
37

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
2
2
0
1
1
0
2
3
9
29
27
29
53
43
31
27
21
14
11
7
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
5
5
5
6
6
7
9
11
12
12
12
12
12
13
13
12
11
10
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
-1
-2
-2
-2
-3
-3
1
3
4
4
3
3
3
3
3
3
3
4
4
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

94
92
93
92
92
94
92
82
69
60
54
51
52
58
57
55
54
58
63
67
68
68
69
72

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1019
1020
1020
1020
1020
1021
1021
1021

Ozone (du)

418
418
419
418
419
419
418
418
418
417
415
412
410
409
407
406
405
404
403
402
402
402
403
403

Wednesday 22

Waxing Crescent 34%

09:38

02:34

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

Sun - Rise: 06:26, Set: 20:41, Transit: 13:34. Moon - Rise: 09:38, Set: 02:34. Civil Dark: 21:17 - 05:50. Nautical Dark: 22:02 - 05:06. Astro Dark: 22:53 - 04:14

Total Clouds (% Sky Obscured)

60
51
46
39
47
55
68
71
73
70
58
47
40
43
44
46
58
70
77
64
54
45
40
38

Low Clouds (% Sky Obscured)

8
10
12
15
25
44
63
64
57
47
38
29
20
18
16
16
26
35
43
36
30
23
24
27

Medium Clouds (% Sky Obscured)

10
4
3
2
0
3
3
4
4
10
8
8
5
7
7
8
8
7
4
3
3
2
2
5

High Clouds (% Sky Obscured)

7
7
7
7
12
19
25
41
64
70
58
35
6
4
2
0
0
0
0
0
0
0
3
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
5
7
9
8
5
1
3
3
0
0
0
0
0
0
0
10
11
4
4
3

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)

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

Chance of Frost

Temperature (°C)

2
2
1
1
1
2
2
3
5
6
7
8
9
10
10
11
11
9
8
8
7
6
5
5

Feels Like (°C)

2
2
-0
-0
-0
-1
-1
-1
2
3
2
3
4
5
9
9
8
8
9
10
5
5
7
6

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-4
-3
-3
-2
-2
-2
-2
-2
-1
1
1
1
1
1

Relative Humidity (%)

73
76
77
80
80
77
73
70
60
53
46
44
43
42
41
41
40
46
54
62
66
70
75
76

Pressure (mb)

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

Ozone (du)

403
404
400
396
391
391
391
391
391
391
391
392
393
394
395
395
396
397
399
401
404
407
410
411

Thursday 23

Waxing Crescent 46%

11:00

03:19

Sun - Rise: 06:24, Set: 20:43, Transit: 13:34. Moon - Rise: 11:00, Set: 03:19. Civil Dark: 21:19 - 05:48. Nautical Dark: 22:04 - 05:03. Astro Dark: 22:56 - 04:11

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Brochepierre, Liège Province, Kingdom of Belgium (50.52,6.06)

Generated: 17/04/26 01:25:28. Forecast: 17/04/26 to 23/04/26. Timezone: UTC+2.00