Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Gibbous 78%

14:40

05:30

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: 06:31, Set: 20:43, Transit: 13:38. Moon - Rise: 14:40, Set: 05:30. Civil Dark: 21:20 - 05:54. Nautical Dark: 22:06 - 05:08. Astro Dark: 22:59 - 04:14

Total Clouds (% Sky Obscured)

59
89
87
100
86
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

15
69
74
72
74
33
22
2
10
2
26
82
100
96
91
99
100
95
100
89
88
77
80
85

Medium Clouds (% Sky Obscured)

26
30
25
40
46
100
100
100
100
100
100
100
100
100
100
100
99
99
100
100
100
100
100
100

High Clouds (% Sky Obscured)

8
10
16
100
77
100
100
100
100
100
100
100
100
100
100
100
100
100
85
6
7
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3
3
9
8
6
7
5
3

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
95
93
24
81
77
90
90
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.8
0.8
0.8
1
1.3
1.2
0
0.6
0.4
0.7
0.6
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
52
51
56
57
59
65
65
65
67
70
70
76
87
87
83
94
96
96
96
95
91
91
91

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1017
1016
1015
1014
1012
1011
1010
1009
1009
1009
1009
1009
1009

Ozone (du)

405
402
399
394
390
389
390
388
388
386
385
383
384
386
385
384
387
387
388
386
387
391
396
403

Saturday 20

Waxing Gibbous 85%

15:52

05:40

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: 06:29, Set: 20:45, Transit: 13:38. Moon - Rise: 15:52, Set: 05:40. Civil Dark: 21:22 - 05:52. Nautical Dark: 22:08 - 05:05. Astro Dark: 23:02 - 04:11

Total Clouds (% Sky Obscured)

99
100
92
80
55
45
71
71
95
94
91
95
93
94
91
97
92
86
71
70
88
93
88
81

Low Clouds (% Sky Obscured)

90
91
91
59
42
31
63
49
93
93
87
93
91
91
89
95
89
77
63
62
85
78
82
72

Medium Clouds (% Sky Obscured)

97
100
70
65
4
10
16
24
11
2
14
9
12
19
22
26
27
19
21
17
1
22
5
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
8
8
7
8
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
8
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

95
81
69
52
41
28
27
20
12
24
16
22
29
32
37
38
46
58
38
24
45
32
20
24

Precipitation Amount (mm)

0.8
0.5
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
14
16
18
19
19
20
19
18
17
16
16
14
12
12
11
11
12
12
11
12
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
84
78
74
71
73
73
71
81
76
82
75
74
76
83
90
90
90
90
90
78
65

Pressure (mb)

1009
1009
1010
1010
1011
1011
1012
1012
1013
1014
1014
1015
1015
1016
1016
1017
1018
1018
1019
1020
1021
1021
1022
1022

Ozone (du)

409
410
409
406
407
410
403
398
399
403
410
409
411
414
417
418
413
409
406
404
406
405
407
412

Sunday 21

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

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
81
89
83
75
95
92
93
93
98
95
86
52
42
33
36
43
43
42
27
24
20
38
51

Low Clouds (% Sky Obscured)

74
75
67
65
63
91
53
64
83
95
89
78
51
40
34
36
47
42
41
24
22
19
35
34

Medium Clouds (% Sky Obscured)

0
0
24
22
2
25
26
27
19
17
11
0
0
0
0
0
0
0
0
0
0
0
0
32

High Clouds (% Sky Obscured)

0
0
1
4
6
8
4
28
32
8
5
4
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
4
8
9
8
9
9
9
9
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
0
0
0

Precipitation Type

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

Precipitation Probability (%)

12
15
53
70
50
40
35
28
13
12
26
33
23
10
9
6
2
2
1
1
2
5
18
31

Precipitation Amount (mm)

0
0
0.2
0.4
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
14
14
14
13
15
15
15
13
12
12
12
11
9
7
6
6
6
6
6
6
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
53
59
84
87
82
80
81
81
82
84
85
86
88
93
94
94
93
94
93
89
81
71
61

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1026
1026
1026
1027
1027
1028
1028
1028

Ozone (du)

415
415
415
412
411
413
413
413
413
411
410
411
415
414
413
411
413
421
424
427
429
431
433
434

Monday 22

Waxing Gibbous 96%

18:13

05:58

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 OK
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 OK
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)

33
64
84
80
82
47
65
57
44
47
52
59
38
1
1
0
0
0
0
2
39
66
93
98

Low Clouds (% Sky Obscured)

33
31
41
82
45
45
53
45
30
33
39
56
47
1
0
0
1
1
0
1
19
27
36
37

Medium Clouds (% Sky Obscured)

0
29
64
3
33
3
12
41
24
4
13
9
2
1
0
0
0
0
0
0
18
35
43
50

High Clouds (% Sky Obscured)

0
0
0
0
4
0
0
14
55
45
54
4
3
3
9
2
1
0
0
0
9
68
22
25

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

39
45
48
53
50
47
40
33
7
9
0
0
0
0
1
1
0
2
2
4
4
16
26
27

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
55
55
56
60
66
71
73
77
84
86
88
86
86
86
88
88
89
89
86
82
78
71
61

Pressure (mb)

1028
1028
1028
1028
1027
1027
1027
1027
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028

Ozone (du)

436
439
441
441
447
446
440
437
436
441
445
444
443
441
441
439
446
449
449
448
447
445
440
435

Tuesday 23

Waxing Gibbous 99%

19:24

06:07

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: 06:23, 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)

99
100
100
100
100
99
98
100
94
87
80
72
63
58
62
64
68
74
73
72
65
56
51
55

Low Clouds (% Sky Obscured)

39
37
42
47
52
36
18
4
9
15
1
1
1
1
17
30
44
42
36
28
29
30
34
37

Medium Clouds (% Sky Obscured)

53
62
61
60
55
60
60
55
46
48
58
56
44
35
38
38
38
43
43
43
36
28
20
27

High Clouds (% Sky Obscured)

35
42
39
36
36
64
66
100
95
90
90
64
21
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
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
12
14
17
14
24
34
21
11
13
2
4
3
0
4
4
1
3
4
2
18
24
26
26

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
10
11
12
11
10
9
8
8
7
7
6
6
6
5
5
4
4
4
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
50
45
43
43
46
56
65
71
76
79
78
78
80
82
85
89
91
93
91
83
72
65
56

Pressure (mb)

1027
1027
1026
1025
1025
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

436
442
444
442
436
429
427
428
430
429
428
425
422
421
422
425
429
432
433
434
435
437
438
439

Wednesday 24

Full Moon 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)

67
81
79
77
74
79
83
78
67
73
79
86
93
100
100
100
99
96
92
87
92
96
100
99

Low Clouds (% Sky Obscured)

47
56
48
43
41
45
48
49
80
73
66
78
87
100
88
77
65
43
22
0
15
29
44
42

Medium Clouds (% Sky Obscured)

33
39
37
34
32
44
53
59
50
55
60
66
72
76
83
91
98
96
93
91
93
94
95
83

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
4
31
40
52
65
75
80
70
65
60
55
60
65
74
74
78
58

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
8
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 (%)

22
11
12
9
3
3
2
0
27
21
12
13
13
13
14
14
13
20
24
25
31
33
34
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
8
8
7
7
6
7
7
7
6
6
6
6
6
6
6
6
7
8
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
47
46
44
44
44
48
57
65
69
71
75
76
78
79
78
78
76
80
85
90
82
78
72

Pressure (mb)

1020
1020
1020
1019
1019
1018
1018
1018
1018
1019
1019
1019
1018
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015

Ozone (du)

439
437
433
427
423
418
415
412
410
409
409
409
408
407
407
407
407
407
407
408
408
410
411
413

Thursday 25

Waning Gibbous 99%

21:54

06:33

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
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: 06:19, 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)

98
96
83
76
76
74
69
60
52
37
32
33
36
39
63
78
93
95
95
96
95
93
93
92

Low Clouds (% Sky Obscured)

41
41
39
37
35
26
17
8
10
18
25
19
18
19
37
58
75
76
74
72
66
62
57
58

Medium Clouds (% Sky Obscured)

72
55
42
26
12
8
4
0
0
0
0
13
28
39
56
71
86
84
82
79
75
72
74
66

High Clouds (% Sky Obscured)

32
8
5
2
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
9
9
9
9
9
9
9
9
9
9
8
7
8
9
9
6
3
0
3
6
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

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

Precipitation Probability (%)

35
36
34
32
30
25
19
14
13
11
2
25
38
42
77
88
88
78
71
69
64
55
40
37

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
12
12
12
13
13
12
10
9
8
7
6
6
6
7
6
6
5
3
3
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
69
69
66
62
60
62
67
70
72
75
78
83
88
93
94
96
98
98
98
96
88
82
74

Pressure (mb)

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

Ozone (du)

413
414
415
415
415
416
416
416
417
419
421
424
426
429
432
438
444
450
453
455
458
454
451
447

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

Generated: 19/04/24 04:28:49. Forecast: 19/04/24 to 25/04/24. Timezone: UTC+2.00