Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waxing Gibbous 92%

17:03

05:49

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 OK
09 OK
10 OK
11 OK

Sun - Rise: 06:27, Set: 20:47, Transit: 13:38. Moon - Rise: 17:03, Set: 05:49. Civil Dark: 21:23 - 05:50. Nautical Dark: 22:10 - 05:03. Astro Dark: 23:05 - 04:07

Total Clouds (% Sky Obscured)

80
85
88
97
93
54
47
61
76
87
55
78
78
42
61
77
61
66
46
54
33
19
41
41

Low Clouds (% Sky Obscured)

75
87
87
93
88
49
35
51
82
88
58
82
69
55
62
31
66
66
37
56
26
17
36
41

Medium Clouds (% Sky Obscured)

45
45
33
34
25
4
0
3
4
60
8
0
24
0
13
35
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
3
12
7
6
10
9
4
7
7
5
4
0
0
0
0
0
0
0
0
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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 (%)

2
1
37
45
44
33
15
19
9
8
18
24
34
20
10
30
39
24
4
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)

14
14
15
15
16
18
18
17
16
13
12
10
10
10
8
9
8
10
9
11
10
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
69
74
77
80
81
75
71
70
69
62
70
75
76
72
72
77
83
89
94
91
79
65
56

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1023
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1023
1024
1025
1026
1026

Ozone (du)

407
404
404
403
402
401
401
402
402
403
406
408
414
424
436
444
439
433
435
430
425
426
427
431

Sunday 21

Waxing Gibbous 96%

18:13

05:58

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

Sun - Rise: 06:25, Set: 20:48, Transit: 13:38. Moon - Rise: 18:13, Set: 05:58. Civil Dark: 21:25 - 05:47. Nautical Dark: 22:12 - 05:00. Astro Dark: 23:08 - 04:04

Total Clouds (% Sky Obscured)

22
64
94
79
79
83
38
18
36
8
13
26
31
36
59
30
41
95
93
94
86
79
80
84

Low Clouds (% Sky Obscured)

23
62
86
59
61
55
33
6
2
2
2
2
2
2
36
12
3
20
25
38
38
41
54
77

Medium Clouds (% Sky Obscured)

1
16
11
16
15
33
3
3
1
0
8
11
28
36
35
6
5
40
88
87
59
46
30
18

High Clouds (% Sky Obscured)

2
4
3
3
4
1
4
14
15
5
0
6
10
8
2
6
29
96
96
90
85
8
2
80

ISS Passover

Visibility (miles)

9
9
9
7
7
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 (%)

11
10
29
44
43
34
20
7
1
0
0
0
0
0
0
1
2
2
2
1
2
5
22
24

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
47
47
51
60
58
55
60
65
71
76
76
77
76
76
79
80
81
81
79
75
70
62
60

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1028
1028
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

434
437
442
441
441
443
439
438
441
444
454
452
446
445
442
436
438
437
435
434
432
430
429
432

Monday 22

Waxing Gibbous 99%

19:24

06:07

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

Sun - Rise: 06:23, Set: 20:50, Transit: 13:37. Moon - Rise: 19:24, Set: 06:07. Civil Dark: 21:27 - 05:45. Nautical Dark: 22:15 - 04:57. Astro Dark: 23:11 - 04:01

Total Clouds (% Sky Obscured)

91
85
49
74
59
87
59
29
53
61
62
48
63
56
56
51
30
78
99
68
66
66
67
77

Low Clouds (% Sky Obscured)

75
69
49
62
62
71
54
30
1
5
8
2
46
45
35
24
2
68
81
55
50
47
41
43

Medium Clouds (% Sky Obscured)

58
33
5
32
4
34
12
0
33
32
33
27
27
28
31
27
11
2
0
0
13
29
46
53

High Clouds (% Sky Obscured)

0
23
16
3
3
3
4
2
0
0
0
0
0
0
0
2
27
36
54
40
5
1
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
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

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 (%)

10
28
19
11
19
20
10
19
2
1
0
1
0
0
0
0
0
0
0
0
0
0
0
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
50
45
47
47
48
52
59
65
71
76
77
83
86
86
86
88
88
88
86
78
71
64
57

Pressure (mb)

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

Ozone (du)

442
437
432
428
426
424
423
422
421
422
423
425
428
430
432
433
432
430
429
427
424
423
425
425

Tuesday 23

Waxing Gibbous 100%

20:38

06:19

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
11 Bad

Sun - Rise: 06:21, Set: 20:52, Transit: 13:37. Moon - Rise: 20:38, Set: 06:19. Civil Dark: 21:29 - 05:43. Nautical Dark: 22:17 - 04:55. Astro Dark: 23:14 - 03:57

Total Clouds (% Sky Obscured)

88
100
100
99
99
80
61
45
55
67
77
80
83
84
87
88
90
93
96
93
81
86
81
73

Low Clouds (% Sky Obscured)

45
51
60
69
78
53
29
5
16
27
38
27
16
5
29
51
70
74
78
75
55
66
59
63

Medium Clouds (% Sky Obscured)

67
77
98
96
95
84
75
65
69
73
79
80
66
43
37
37
32
37
41
50
48
40
33
24

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
8
9
9
9
9
9
8
9
9
9
6
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
15
7
13
20
18
23
13
14
19
45
44
33
33
32
23
12
12
11
9
20
13
21
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
49
47
48
50
52
59
65
70
72
76
91
93
94
96
94
93
89
88
88
85
76
65
56

Pressure (mb)

1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

423
422
422
420
416
413
414
416
418
421
425
429
434
438
440
439
437
436
438
438
438
433
426
423

Wednesday 24

Full Moon 99%

21:54

06:33

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

Sun - Rise: 06:19, Set: 20:53, Transit: 13:37. Moon - Rise: 21:54, Set: 06:33. Civil Dark: 21:31 - 05:41. Nautical Dark: 22:19 - 04:52. Astro Dark: 23:17 - 03:53

Total Clouds (% Sky Obscured)

66
59
65
73
79
72
68
54
40
24
6
13
19
34
46
60
77
81
85
85
73
66
59
53

Low Clouds (% Sky Obscured)

65
66
65
69
69
54
47
24
16
8
0
9
18
27
41
54
69
80
83
91
80
68
56
46

Medium Clouds (% Sky Obscured)

12
0
11
22
33
34
35
35
24
13
2
1
2
2
2
1
1
12
25
37
37
41
40
49

High Clouds (% Sky Obscured)

0
0
2
0
0
1
4
4
4
4
4
4
5
40
34
28
21
23
25
17
10
4
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
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
11
15
15
21
14
14
19
6
2
0
1
2
1
8
10
3
9
10
3
7
6
2
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
50
48
47
47
47
50
56
65
69
71
73
76
77
80
83
86
91
88
86
85
76
69
62

Pressure (mb)

1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1012
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

422
422
421
421
421
421
421
422
424
426
427
427
426
426
426
427
427
427
428
430
432
433
435
437

Thursday 25

Waning Gibbous 96%

23:13

06:53

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
11 Bad

Sun - Rise: 06:17, Set: 20:55, Transit: 13:37. Moon - Rise: 23:13, Set: 06:53. Civil Dark: 21:33 - 05:39. Nautical Dark: 22:21 - 04:50. Astro Dark: 23:20 - 03:50

Total Clouds (% Sky Obscured)

60
63
74
79
85
86
87
88
91
94
98
97
95
94
91
90
92
87
87
83
84
84
76
71

Low Clouds (% Sky Obscured)

35
23
25
27
26
30
35
39
39
38
37
45
53
60
53
45
38
26
12
0
1
1
1
19

Medium Clouds (% Sky Obscured)

55
60
58
57
52
55
58
60
71
84
95
90
86
83
81
80
79
67
55
43
41
40
41
55

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
8
16
38
58
63
41
27
13
10
7
4
8
12
10
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
None
None
None
None

Precipitation Probability (%)

13
15
17
18
16
24
30
34
30
24
10
11
9
2
5
6
6
9
8
5
15
20
23
35

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
6
10
10
10
10
10
10
6
6
6
6
5
5
3
3
2
2
2
2
3
5
6

Dew Point (°C)

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

Relative Humidity (%)

59
56
53
51
50
49
56
64
74
77
79
82
83
83
83
86
88
88
86
86
85
78
73
67

Pressure (mb)

1010
1009
1009
1009
1009
1008
1008
1008
1008
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009

Ozone (du)

438
439
440
439
438
437
436
435
434
433
431
430
431
431
432
433
434
435
435
436
436
437
438
438

Friday 26

Waning Gibbous 91%

00:32

07:23

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 OK

Sun - Rise: 06:15, Set: 20:57, Transit: 13:37. Moon - Rise: 00:32, Set: 07:23. Civil Dark: 21:35 - 05:36. Nautical Dark: 22:24 - 04:47. Astro Dark: 23:23 - 03:46

Total Clouds (% Sky Obscured)

76
82
80
78
76
82
88
94
87
75
59
56
54
55
57
56
55
47
36
27

Low Clouds (% Sky Obscured)

31
43
32
22
14
21
28
34
41
45
35
33
37
48
36
24
13
8
5
3

Medium Clouds (% Sky Obscured)

69
80
76
72
68
66
65
63
60
57
54
52
49
50
50
50
50
39
29
22

High Clouds (% Sky Obscured)

4
1
2
3
4
19
34
46
44
43
41
54
67
75
64
48
31
19
15
10

ISS Passover

Visibility (miles)

7
8
8
7
6
6
5
5
5
6
8
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

Precipitation Type

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

Precipitation Probability (%)

44
52
52
52
53
56
58
60
53
45
36
31
24
12
13
12
8
14
13
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
8
12
12
12
12
12
12
9
9
8
8
7
7
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

66
63
61
61
62
62
69
76
86
87
90
90
91
91
91
93
93
91
91
91

Pressure (mb)

1008
1008
1008
1008
1008
1007
1007
1007
1007
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007

Ozone (du)

438
437
436
434
432
430
431
431
432
433
434
435
437
438
440
442
443
445
444
443

Forecast for Utrecht, Gemeente Utrecht, Netherlands (52.09,5.12)

Generated: 20/04/24 11:45:15. Forecast: 20/04/24 to 26/04/24. Timezone: UTC+2.00