Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waxing Gibbous 92%

17:01

05:46

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:28, Set: 20:41, Transit: 13:35. Moon - Rise: 17:01, Set: 05:46. Civil Dark: 21:17 - 05:52. Nautical Dark: 22:02 - 05:07. Astro Dark: 22:53 - 04:15

Total Clouds (% Sky Obscured)

95
90
94
91
84
95
93
86
91
86
91
90
92
95
100
90
91
65
94
100
77
94
80
89

Low Clouds (% Sky Obscured)

78
76
75
81
66
63
55
79
71
76
87
88
91
87
100
73
64
51
85
100
83
90
65
82

Medium Clouds (% Sky Obscured)

27
79
22
18
19
28
25
20
21
18
3
61
59
65
1
26
25
1
28
17
0
2
0
0

High Clouds (% Sky Obscured)

0
0
2
3
6
13
20
8
3
3
3
15
3
6
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
1
5
8
9
9
9
9
9
8
9
9
7
9
9
9
1
9
9
9
9
0
0
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
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

73
79
66
68
48
31
34
39
48
45
35
32
45
34
41
50
48
38
12
44
44
13
9
18

Precipitation Amount (mm)

0.6
0.6
0.3
0.4
0
0
0
0
0.2
0.2
0
0
0
0
0
0.2
0.1
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
78
78
74
72
68
69
78
82
85
87
86
90
86
89
89
93
94
93
93
93
98
96
89

Pressure (mb)

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

Ozone (du)

415
414
413
412
411
410
409
407
406
404
402
402
403
407
414
427
440
441
435
434
432
428
426
425

Sunday 21

Waxing Gibbous 96%

18:10

05:56

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
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

Sun - Rise: 06:26, Set: 20:43, Transit: 13:35. Moon - Rise: 18:10, Set: 05:56. Civil Dark: 21:19 - 05:50. Nautical Dark: 22:04 - 05:04. Astro Dark: 22:56 - 04:12

Total Clouds (% Sky Obscured)

83
58
58
97
93
83
70
45
70
37
52
57
89
60
87
86
64
60
90
100
100
100
100
98

Low Clouds (% Sky Obscured)

67
62
65
79
53
38
8
1
2
1
18
17
26
1
35
22
56
35
74
99
94
82
66
52

Medium Clouds (% Sky Obscured)

0
19
20
68
84
69
54
48
60
23
10
33
76
55
87
77
21
29
25
59
86
98
98
97

High Clouds (% Sky Obscured)

0
0
3
70
65
65
63
65
55
22
28
35
75
80
80
78
43
27
37
91
87
98
88
84

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 (%)

8
4
6
4
2
2
3
7
6
16
13
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)

13
14
15
15
15
15
14
12
10
8
6
5
4
5
4
4
4
3
3
3
2
2
5
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
70
56
50
47
47
51
55
58
67
80
82
83
85
83
83
86
89
91
91
92
86
79
71

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1026
1025

Ozone (du)

424
425
430
437
441
442
443
442
439
434
432
431
433
439
447
448
443
439
438
437
435
433
430
432

Monday 22

Waxing Gibbous 99%

19:20

06:07

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 OK
00 OK
01 Good
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK

Sun - Rise: 06:24, Set: 20:45, Transit: 13:35. Moon - Rise: 19:20, Set: 06:07. Civil Dark: 21:21 - 05:47. Nautical Dark: 22:06 - 05:02. Astro Dark: 22:59 - 04:08

Total Clouds (% Sky Obscured)

98
96
91
100
75
64
93
79
57
80
83
61
20
26
7
69
87
95
90
83
90
61
53
40

Low Clouds (% Sky Obscured)

73
72
66
61
56
30
52
64
57
6
7
34
0
13
0
0
23
28
21
7
21
27
32
44

Medium Clouds (% Sky Obscured)

94
96
86
100
76
77
70
38
38
33
52
67
57
22
22
30
33
76
91
85
86
40
14
1

High Clouds (% Sky Obscured)

43
7
28
8
7
6
4
3
4
67
75
80
80
85
32
80
78
85
75
4
57
6
15
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
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
3
1
2
3
9
19
17
15
1
1
1
1
1
0
0
3
0
0
0
0
3
5
6

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
9
10
10
9
9
9
9
8
5
3
3
2
1
2
1
1
1
1
1
1
2
3
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
53
50
47
46
49
49
49
56
65
69
73
76
79
78
80
83
84
84
86
84
76
68
61

Pressure (mb)

1025
1025
1024
1023
1023
1022
1022
1022
1022
1021
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019

Ozone (du)

434
434
433
429
424
423
427
427
424
419
418
417
415
417
419
419
419
420
419
419
419
418
418
417

Tuesday 23

Waxing Gibbous 100%

20:32

06:20

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

Sun - Rise: 06:22, Set: 20:46, Transit: 13:35. Moon - Rise: 20:32, Set: 06:20. Civil Dark: 21:22 - 05:45. Nautical Dark: 22:08 - 04:59. Astro Dark: 23:01 - 04:05

Total Clouds (% Sky Obscured)

46
86
100
93
85
78
74
72
69
54
27
10
30
53
68
75
80
84
72
59
50
62
68
83

Low Clouds (% Sky Obscured)

43
56
57
54
51
51
37
24
4
4
1
0
0
9
7
24
32
41
28
19
10
29
49
68

Medium Clouds (% Sky Obscured)

19
33
46
38
30
20
21
76
80
75
66
65
69
78
48
74
83
49
67
60
50
56
53
49

High Clouds (% Sky Obscured)

3
0
0
1
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
5
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
1
0
0
0
0
0

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
Very Light Rain
Light Rain
Snow
None
None

Precipitation Probability (%)

20
19
15
15
15
12
12
13
12
2
0
0
0
1
5
21
35
41
43
51
58
51
36
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-3
-2
-2
-3
-3
-3
-1
-1
-2
-2
-2
-2
-1
-1
-1
-1
-1
-1
-0
1
3
5

Relative Humidity (%)

56
53
49
50
50
49
48
49
59
64
64
69
72
77
80
88
89
91
94
98
96
100
100
98

Pressure (mb)

1019
1018
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

417
419
420
422
423
423
422
423
425
427
429
431
434
436
438
439
440
439
436
434
434
434
435
436

Wednesday 24

Full Moon 99%

21:47

06:36

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:20, Set: 20:48, Transit: 13:35. Moon - Rise: 21:47, Set: 06:36. Civil Dark: 21:24 - 05:43. Nautical Dark: 22:10 - 04:57. Astro Dark: 23:04 - 04:02

Total Clouds (% Sky Obscured)

84
88
89
88
86
88
91
80
68
65
73
72
68
60
55
47
46
41
51
64
72
75
73
76

Low Clouds (% Sky Obscured)

74
81
86
77
66
61
68
64
55
55
61
67
64
60
56
52
50
50
55
59
60
54
49
43

Medium Clouds (% Sky Obscured)

56
43
46
49
57
62
50
41
32
29
22
17
13
6
0
0
0
0
5
9
11
17
20
26

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
1
2
5

ISS Passover

Visibility (miles)

0
0
3
6
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
20
21
26
32
40
48
52
55
42
33
22
16
12
10
12
8
5
3
2
0
5
7
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
84
78
69
61
55
51
54
66
76
82
85
86
89
91
91
91
93
93
91
88
85
77
72

Pressure (mb)

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

Ozone (du)

436
434
433
433
435
436
435
433
432
432
432
432
431
430
429
431
432
433
435
435
435
435
435
435

Thursday 25

Waning Gibbous 96%

23:04

06:58

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:18, Set: 20:49, Transit: 13:35. Moon - Rise: 23:04, Set: 06:58. Civil Dark: 21:26 - 05:41. Nautical Dark: 22:12 - 04:54. Astro Dark: 23:07 - 03:59

Total Clouds (% Sky Obscured)

79
83
90
92
96
100
90
79
69
55
49
43
54
63
69
59
48
55
70
81
90
77
58
40

Low Clouds (% Sky Obscured)

37
34
32
43
56
70
51
31
12
9
8
7
6
4
2
2
2
2
2
3
4
17
30
46

Medium Clouds (% Sky Obscured)

42
57
69
81
90
100
89
79
69
68
64
60
43
26
10
21
31
39
32
29
20
19
13
9

High Clouds (% Sky Obscured)

4
2
0
0
1
1
16
31
42
39
40
40
37
38
48
42
22
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
8
7
6
7
8
9
7
5
4
6
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
34
42
49
55
58
57
56
55
46
37
26
21
15
3
6
6
3
6
6
3
13
17
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
5
5
8
8
8
8
9
9
5
5
5
4
4
4
1
0
-0
0
0
0
3
4

Dew Point (°C)

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

Relative Humidity (%)

65
64
62
60
61
61
62
67
73
77
81
85
88
88
89
89
89
89
89
88
88
86
82
75

Pressure (mb)

1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

435
434
432
431
431
430
429
429
429
429
430
431
432
433
433
433
434
436
437
438
439
440
441
442

Friday 26

Waning Gibbous 91%

00:21

07:29

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:16, Set: 20:51, Transit: 13:34. Moon - Rise: 00:21, Set: 07:29. Civil Dark: 21:28 - 05:39. Nautical Dark: 22:14 - 04:52. Astro Dark: 23:10 - 03:56

Total Clouds (% Sky Obscured)

48
57
66
72
76
80
69
54
43
49
56
71
64
56
48
53
58
58
65
67
72

Low Clouds (% Sky Obscured)

39
35
31
42
54
66
47
29
10
11
10
9
13
13
16
13
9
3
3
3
2

Medium Clouds (% Sky Obscured)

31
53
73
68
62
54
37
29
17
18
19
21
24
27
28
36
43
48
51
51
58

High Clouds (% Sky Obscured)

0
0
0
0
1
1
5
6
8
10
12
13
32
50
62
63
61
58
41
27
18

ISS Passover

Visibility (miles)

9
8
6
4
5
6
6
7
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

Precipitation Type

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

Precipitation Probability (%)

42
56
69
65
59
52
44
35
20
18
14
2
2
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
70
67
66
66
66
66
69
68
71
72
75
78
78
76
76
78
81
82
81
81

Pressure (mb)

1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

444
442
440
439
439
440
441
441
441
441
441
442
442
441
441
441
442
444
446
447
448

Forecast for Maastricht, Gemeente Maastricht, Netherlands (50.85,5.69)

Generated: 20/04/24 11:46:22. Forecast: 20/04/24 to 26/04/24. Timezone: UTC+2.00