Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 15

Waning Crescent 6%

06:00

18:17

06 OK
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
01 Bad
02 Bad
03 Bad
04 OK
05 Bad

Sun - Rise: 06:41, Set: 20:38, Transit: 13:39. Moon - Rise: 06:00, Set: 18:17. Civil Dark: 21:13 - 06:05. Nautical Dark: 21:58 - 05:18. Astro Dark: 22:49 - 04:26

Total Clouds (% Sky Obscured)

41
60
67
65
100
100
98
95
78
100
100
100
100
100
100
100
84
93
88
85
71
45
41
75

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
11
13
14
3
31
58
51
4
33
54
28
33
31
38
69

Medium Clouds (% Sky Obscured)

22
45
67
65
77
76
80
51
26
51
30
30
68
48
95
100
84
32
27
36
33
16
0
1

High Clouds (% Sky Obscured)

41
60
67
65
100
100
84
83
58
100
98
100
100
100
100
0
0
0
0
0
0
0
10
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
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
2
4
5

Precipitation Type

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

Precipitation Probability (%)

0
0
4
0
0
0
0
0
0
0
0
0
1
10
40
75
54
8
1
3
3
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
6
7
9
11
14
15
16
17
18
18
18
18
17
16
14
12
12
11
11
10
10
10
9

Feels Like (°C)

3
3
4
6
8
10
12
13
14
14
15
15
15
15
13
12
10
10
9
9
10
9
9
7

Dew Point (°C)

2
2
3
5
6
7
7
7
7
7
7
8
9
10
10
12
12
11
10
10
10
10
9
9

Relative Humidity (%)

79
79
78
73
68
63
57
55
50
49
47
50
54
62
67
87
95
93
92
95
96
96
98
96

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1019
1019
1019
1018
1018
1018
1019
1018
1019

Ozone (du)

372
371
371
369
370
370
369
368
365
363
363
362
359
358
363
365
364
368
388
393
389
381
381
381

Thursday 16

Waning Crescent 2%

06:00

19:44

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
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

Sun - Rise: 06:39, Set: 20:39, Transit: 13:39. Moon - Rise: 06:00, Set: 19:44. Civil Dark: 21:15 - 06:03. Nautical Dark: 22:01 - 05:15. Astro Dark: 22:52 - 04:23

Total Clouds (% Sky Obscured)

73
86
100
97
93
89
77
39
58
69
58
60
68
83
70
100
98
100
100
100
100
98
86
85

Low Clouds (% Sky Obscured)

63
40
47
56
54
39
43
39
15
45
29
36
0
0
0
0
0
0
0
0
0
0
0
8

Medium Clouds (% Sky Obscured)

20
73
100
85
80
80
69
5
34
30
24
32
44
48
31
29
62
61
100
100
99
86
73
84

High Clouds (% Sky Obscured)

23
25
96
50
0
0
0
0
0
0
0
16
41
56
39
100
95
100
100
71
100
88
65
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 (%)

2
1
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
0
0
0
0
0
0
0
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)

7
6
6
8
11
12
12
12
12
12
11
10
10
8
6
4
3
3
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

9
9
9
10
12
13
15
15
16
17
16
16
16
15
13
12
11
10
10
9
9
9
9
9

Feels Like (°C)

7
7
7
8
9
10
11
11
14
14
14
14
14
14
13
10
9
9
8
8
8
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
88
77
66
56
51
48
48
50
54
57
64
72
77
78
80
82
81
80
78
78
78

Pressure (mb)

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

Ozone (du)

382
385
387
389
390
393
392
391
392
388
385
383
378
372
369
368
368
366
366
365
364
365
364
368

Friday 17

New Moon 0%

06:14

21:15

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:37, Set: 20:41, Transit: 13:39. Moon - Rise: 06:14, Set: 21:15. Civil Dark: 21:17 - 05:58. Nautical Dark: 22:03 - 05:12. Astro Dark: 22:55 - 04:20

Total Clouds (% Sky Obscured)

58
52
95
90
100
100
96
100
100
92
67
87
89
96
96
92
100
100
97
68
76
79
77
65

Low Clouds (% Sky Obscured)

8
0
0
0
27
44
28
43
40
62
32
38
40
46
68
49
55
50
46
42
28
12
0
0

Medium Clouds (% Sky Obscured)

56
39
84
85
70
77
62
44
33
45
34
67
62
56
47
39
37
25
34
23
27
31
38
37

High Clouds (% Sky Obscured)

2
19
68
66
100
100
74
100
98
34
19
3
1
1
1
2
75
99
75
6
18
47
55
41

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
0
0
0
0
0
0
0
1
3
4
3
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)

4
4
4
5
5
5
5
5
5
5
5
4
4
3
4
3
3
3
4
5
5
5
5
5

Chance of Frost

Temperature (°C)

9
8
9
11
13
14
15
16
17
18
18
19
18
18
16
15
14
13
13
12
11
11
9
8

Feels Like (°C)

7
7
8
10
11
12
13
14
15
16
16
18
18
18
15
13
13
12
11
10
9
9
7
7

Dew Point (°C)

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

Relative Humidity (%)

81
87
84
80
74
67
59
57
55
54
53
53
52
61
65
65
67
69
72
73
72
68
73
78

Pressure (mb)

1021
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

366
364
361
360
359
359
358
358
358
358
357
358
357
357
359
360
361
362
361
360
360
360
361
361

Saturday 18

Waxing Crescent 2%

06:31

22:49

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:35, Set: 20:43, Transit: 13:39. Moon - Rise: 06:31, Set: 22:49. Civil Dark: 21:19 - 05:56. Nautical Dark: 22:05 - 05:10. Astro Dark: 22:58 - 04:16

Total Clouds (% Sky Obscured)

85
92
82
93
94
93
93
92
85
92
87
90
95
90
90
85
85
85
85
85
80
80
76
72

Low Clouds (% Sky Obscured)

0
0
8
24
35
43
46
46
42
53
60
44
29
14
22
31
39
38
38
38
34
29
25
23

Medium Clouds (% Sky Obscured)

43
84
70
86
91
91
92
92
64
42
50
55
55
60
54
47
41
51
58
60
65
65
60
60

High Clouds (% Sky Obscured)

71
89
12
6
22
53
47
23
26
63
87
90
95
90
90
85
85
85
85
85
80
80
76
72

ISS Passover

Visibility (miles)

9
9
9
9
9
6
4
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
1
18
71
55
16
24
10
3
2
2
0
0
0
0
0
0
0
1
1
1
1

Precipitation Amount (mm)

0
0
0
0
0
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
9
9
11
13
14
14
14
14
15
15
14
14
13
12
10
9
8
8
7
7
7
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
84
80
77
78
90
90
83
66
57
57
63
69
75
83
88
91
91
91
91
91
93
93

Pressure (mb)

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

Ozone (du)

361
362
365
367
371
371
373
377
380
384
385
386
388
391
393
394
393
391
390
390
390
389
388
388

Sunday 19

Waxing Crescent 6%

06:54

00:23

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

Sun - Rise: 06:32, Set: 20:44, Transit: 13:38. Moon - Rise: 06:54, Set: 00:23. Civil Dark: 21:21 - 05:54. Nautical Dark: 22:07 - 05:07. Astro Dark: 23:01 - 04:13

Total Clouds (% Sky Obscured)

72
69
46
36
20
46
58
75
76
72
68
52
38
24
2
2
1
11
21
31
47
60
74
76

Low Clouds (% Sky Obscured)

21
21
21
21
20
30
33
36
46
51
57
44
33
24
0
0
0
11
21
27
36
49
63
71

Medium Clouds (% Sky Obscured)

60
60
40
20
0
27
29
43
43
39
33
20
9
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

69
59
39
20
0
0
0
0
0
0
5
0
0
0
0
0
1
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
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
1
11

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
6
7
9
10
11
12
13
14
14
13
13
12
11
10
8
8
7
7
6
6
6
5
5

Chance of Frost

Temperature (°C)

6
6
7
9
11
12
13
14
14
14
14
14
13
12
10
9
8
6
6
5
5
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
88
74
60
53
47
44
44
43
43
45
50
56
63
69
77
84
85
85
88
86
85
84

Pressure (mb)

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

Ozone (du)

389
392
393
392
391
390
396
397
396
395
395
396
397
398
398
400
401
403
404
405
406
407
408
408

Monday 20

Waxing Crescent 14%

07:29

01:46

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 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 06:30, Set: 20:46, Transit: 13:38. Moon - Rise: 07:29, Set: 01:46. Civil Dark: 21:23 - 05:51. Nautical Dark: 22:09 - 05:04. Astro Dark: 23:04 - 04:09

Total Clouds (% Sky Obscured)

83
91
88
86
84
67
50
34
42
63
76
72
67
58
42
32
20
11
6
1
1
0
0
0

Low Clouds (% Sky Obscured)

81
91
88
86
84
67
50
34
42
63
76
72
67
58
42
32
20
11
6
1
1
0
0
0

Medium 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

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
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 (%)

14
13
17
18
16
17
16
14
17
16
11
14
17
21
16
11
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)

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

Chance of Frost

Temperature (°C)

7
7
7
8
10
11
12
13
14
13
13
13
12
11
10
9
8
7
6
5
4
3
3
2

Feels Like (°C)

4
5
4
5
5
6
6
7
8
11
11
10
10
10
10
6
6
6
5
5
5
2
1
2

Dew Point (°C)

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

Relative Humidity (%)

85
87
88
79
72
65
56
50
44
47
50
54
56
59
62
63
64
65
65
66
67
67
69
70

Pressure (mb)

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

Ozone (du)

411
414
417
415
414
412
411
410
409
409
408
408
407
406
405
407
408
409
408
406
405
406
407
408

Tuesday 21

Waxing Crescent 23%

08:21

02:50

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

Sun - Rise: 06:28, Set: 20:48, Transit: 13:38. Moon - Rise: 08:21, Set: 02:50. Civil Dark: 21:25 - 05:49. Nautical Dark: 22:12 - 05:02. Astro Dark: 23:07 - 04:06

Total Clouds (% Sky Obscured)

0
0
6
11
12
13
14
20
21
20
22
16
10
4
5
5
6
5
3
1

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
1
1
8
14
20
18
14
11
8
4
0
1
1
2
1
0
0

High Clouds (% Sky Obscured)

0
0
6
11
12
13
14
20
21
20
12
8
5
3
2
1
1
1
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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
3
3
5
7
9
11
12
13
13
13
13
12
11
10
8
7
6
5
4

Feels Like (°C)

1
0
-1
3
3
4
5
5
6
10
9
9
9
9
9
6
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

69
70
69
64
58
54
47
41
35
39
41
44
52
59
68
71
74
76
80
85

Pressure (mb)

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

Ozone (du)

408
409
409
408
407
405
404
403
402
403
404
404
406
407
408
409
410
411
409
407

Forecast for De Meern, Gemeente Utrecht, Netherlands (52.08,5.03)

Generated: 15/04/26 06:26:28. Forecast: 15/04/26 to 21/04/26. Timezone: UTC+2.00