Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 86%

15:53

04:30

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

Sun - Rise: 05:33, Set: 20:42, Transit: 13:09. Moon - Rise: 15:53, Set: 04:30. Civil Dark: 21:25 - 04:50. Nautical Dark: 22:23 - 03:51. Astro Dark: 23:47 - 02:25

Total Clouds (% Sky Obscured)

14
39
41
38
70
70
62
49
47
47
27
74
26
35
50
10
11
59
47
53
70
68
43
11

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
0
0
0

Medium Clouds (% Sky Obscured)

14
16
26
9
14
3
3
0
0
2
13
36
0
15
0
0
4
54
5
41
55
8
3
2

High Clouds (% Sky Obscured)

8
39
41
38
59
67
52
44
42
42
24
72
20
22
43
8
8
16
43
52
32
67
42
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 (%)

0
1
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
9
11
11
11
10
9
7
7
6
6
5
5
5
5
4
4
3
4
6
8
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
43
43
46
49
57
65
72
78
67
56
58
58
61
61
60
62
61
63
57
52
50
49
48

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1027
1027
1027
1027
1028
1028
1028
1028
1029
1029
1029
1029

Ozone (du)

396
395
395
396
396
397
399
399
400
401
402
397
390
393
398
401
402
402
404
406
406
406
407
409

Tuesday 28

Waxing Gibbous 92%

17:14

04:35

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

Sun - Rise: 05:31, Set: 20:44, Transit: 13:09. Moon - Rise: 17:14, Set: 04:35. Civil Dark: 21:28 - 04:47. Nautical Dark: 22:26 - 03:48. Astro Dark: 23:53 - 02:18

Total Clouds (% Sky Obscured)

33
35
44
52
18
24
51
22
27
73
80
80
68
70
53
64
33
43
75
61
45
50
61
36

Low 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
1

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
4
4
4
12
7
4
4
0
0
0
0

High Clouds (% Sky Obscured)

33
35
44
52
18
24
51
19
26
73
80
80
65
69
53
64
20
41
75
61
40
41
57
30

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
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
13
13
13
12
11
9
8
8
8
7
6
5
4
3
3
2
2
1
2
3
4
6
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
46
47
48
50
58
63
70
72
74
74
72
74
72
67
65
63
60
54
52
49
49
49
50

Pressure (mb)

1029
1029
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1031

Ozone (du)

407
408
406
405
403
401
401
404
404
404
403
402
403
400
399
397
394
391
389
387
386
385
386
386

Wednesday 29

Waxing Gibbous 97%

18:34

04:42

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

Sun - Rise: 05:29, Set: 20:46, Transit: 13:08. Moon - Rise: 18:34, Set: 04:42. Civil Dark: 21:30 - 04:45. Nautical Dark: 22:30 - 03:44. Astro Dark: 23:59 - 02:10

Total Clouds (% Sky Obscured)

32
35
44
60
77
52
19
6
8
25
17
5
4
6
5
5
3
2
3
2
2
1
0
0

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
5
3
5
0
5
5
0
4
1
0
1
1
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

32
35
44
26
37
38
16
2
3
14
4
3
3
2
2
2
2
1
2
1
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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
51
51
51
52
54
64
65
67
65
64
67
78
82
86
93
91
85
70
63
56
50
48
48

Pressure (mb)

1031
1031
1031
1031
1031
1030
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1032
1032

Ozone (du)

385
383
382
382
381
381
382
380
378
377
376
377
377
376
376
375
375
376
376
376
376
376
377
378

Thursday 30

Waxing Gibbous 99%

19:54

04:49

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

Sun - Rise: 05:26, Set: 20:48, Transit: 13:08. Moon - Rise: 19:54, Set: 04:49. Civil Dark: 21:32 - 04:42. Nautical Dark: 22:33 - 03:41. Astro Dark: 00:07 - 02:01

Total Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
1
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0

Low 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

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
1
1
1
1
1
0
1
1
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 (%)

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)

8
8
8
8
6
4
3
3
2
2
2
2
2
2
2
2
2
3
3
3
3
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
49
51
54
56
60
70
71
71
70
70
70
72
73
74
75
77
72
65
59
53
48
44
40

Pressure (mb)

1032
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028

Ozone (du)

379
379
378
378
377
376
376
376
378
378
377
377
377
378
378
377
378
379
379
379
379
377
376
376

Friday 1

Full Moon 100%

21:15

05:00

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

Sun - Rise: 05:24, Set: 20:50, Transit: 13:08. Moon - Rise: 21:15, Set: 05:00. Civil Dark: 21:35 - 04:40. Nautical Dark: 22:36 - 03:37. Astro Dark: 00:15 - 01:51

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
2
1
0
0
0
0

Low 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

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
1
1
2
2
1
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 (%)

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)

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

Chance of Frost

Temperature (°C)

19
19
19
20
19
17
16
14
12
11
11
11
11
11
11
10
11
12
13
15
16
18
19
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

40
40
40
42
47
53
64
71
77
77
76
77
80
81
83
84
80
75
71
66
61
56
54
53

Pressure (mb)

1027
1027
1026
1026
1025
1025
1024
1024
1024
1024
1023
1023
1022
1022
1022
1021
1021
1020
1020
1020
1019
1019
1018
1018

Ozone (du)

376
375
376
375
375
374
374
374
375
374
374
375
376
378
380
382
384
385
387
386
385
384
384
383

Saturday 2

Waning Gibbous 98%

22:37

05:16

14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 OK
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

Sun - Rise: 05:22, Set: 20:52, Transit: 13:08. Moon - Rise: 22:37, Set: 05:16. Civil Dark: 21:37 - 04:37. Nautical Dark: 22:39 - 03:34. Astro Dark: 00:25 - 01:38

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
16
34
64
78
91
100
100
99
99
99
100
100
96
90
84

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
16
34
59
59
55
51
58
66
76
83
89
96
86
77
66

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
2
22
42
62
69
77
84
75
61
41
50
58
66

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
34
67
100
78
54
27
50
74
95
90
80
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
3
6
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
2
3
22
35
44
43
39
29
35
35
33
30
27
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)

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

Chance of Frost

Temperature (°C)

21
21
21
20
19
18
17
16
14
13
13
13
13
13
12
11
11
11
11
11
11
12
13
14

Feels Like (°C)

16
20
20
19
19
19
19
15
15
16
15
14
13
11
10
9
10
10
10
9
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

50
51
52
53
58
65
72
75
78
82
77
74
70
79
86
96
96
95
96
92
87
83
70
58

Pressure (mb)

1017
1017
1016
1015
1015
1015
1014
1014
1014
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1012
1012
1012
1012
1012

Ozone (du)

383
382
380
379
378
377
375
376
376
376
375
375
374
374
375
375
378
381
384
387
389
391
389
386

Sunday 3

Waning Gibbous 95%

23:54

05:40

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

Sun - Rise: 05:20, Set: 20:54, Transit: 13:08. Moon - Rise: 23:54, Set: 05:40. Civil Dark: 21:39 - 04:34. Nautical Dark: 22:42 - 03:31. Astro Dark: 00:38 - N/A

Total Clouds (% Sky Obscured)

71
52
38
41
44
48
56
71
86
86
87
88
82
76
70
71
72
73

Low Clouds (% Sky Obscured)

53
41
29
31
29
24
33
36
34
29
24
15
14
16
16
20
25
34

Medium Clouds (% Sky Obscured)

53
39
25
21
16
11
2
2
8
12
16
30
32
33
45
46
48
49

High Clouds (% Sky Obscured)

49
33
24
22
9
0
24
50
80
85
87
88
77
62
49
33
14
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

21
35
27
26
34
41
32
35
39
41
51
67
69
63
44
47
39
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
5
6
6
6
6
6
6
6
6
6
6
5
5

Relative Humidity (%)

47
47
48
48
53
60
66
68
71
74
76
77
80
78
78
80
74
71

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

384
383
382
380
380
380
380
380
381
381
384
387
389
392
395
398
399
401

Forecast for Frederikssund, Frederikssund Kommune, Kingdom of Denmark (55.84,12.06)

Generated: 27/04/26 14:44:42. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+2.00