Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Gibbous 95%

19:46

03:28

05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 OK
13 OK
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 OK

Sun - Rise: 06:03, Set: 20:23, Transit: 13:13. Moon - Rise: 19:46, Set: 03:28. Civil Dark: 21:04 - 05:23. Nautical Dark: 21:55 - 04:34. Astro Dark: 22:59 - 03:31

Total Clouds (% Sky Obscured)

0
0
0
2
4
15
12
35
26
17
3
3
3
3
3
2
3
0
0
0
0
4
7
26

Low Clouds (% Sky Obscured)

0
0
0
0
0
15
12
35
26
16
0
0
0
0
0
0
0
0
0
0
0
2
5
19

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
5

High Clouds (% Sky Obscured)

0
0
0
2
4
4
2
3
3
3
3
3
3
3
3
2
3
0
0
0
0
3
3
3

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)

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

Chance of Frost

Temperature (°C)

10
11
12
15
17
19
20
21
22
23
23
22
22
21
20
18
16
15
15
15
15
15
15
14

Feels Like (°C)

12
12
13
15
17
19
20
22
22
23
23
23
23
23
22
19
17
15
15
15
15
15
15
14

Dew Point (°C)

8
8
9
9
8
7
7
7
7
7
7
7
7
7
8
9
9
8
8
8
9
9
10
10

Relative Humidity (%)

83
84
83
69
55
46
42
39
37
36
36
36
36
38
45
54
60
61
62
65
68
70
73
76

Pressure (mb)

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

Ozone (du)

337
336
335
335
336
336
336
336
336
339
341
341
340
339
337
336
336
336
337
337
337
337
336
335

Wednesday 26

Waxing Gibbous 98%

19:57

04:52

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

Sun - Rise: 06:05, Set: 20:21, Transit: 13:13. Moon - Rise: 19:57, Set: 04:52. Civil Dark: 21:01 - 05:25. Nautical Dark: 21:52 - 04:36. Astro Dark: 22:55 - 03:35

Total Clouds (% Sky Obscured)

34
36
51
34
34
29
28
44
52
59
51
45
28
9
0
0
2
2
28
47
51
40
40
53

Low Clouds (% Sky Obscured)

23
28
42
31
28
27
25
28
32
36
29
27
12
0
0
0
0
0
0
3
8
0
0
7

Medium Clouds (% Sky Obscured)

14
10
5
0
1
0
0
10
11
13
14
14
10
4
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
2
2
28
47
45
40
40
45

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)

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

Chance of Frost

Temperature (°C)

14
14
14
16
17
18
20
21
21
21
21
21
20
20
19
17
16
16
15
15
14
14
14
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
80
70
58
51
48
45
42
39
41
44
48
51
55
65
72
73
74
79
84
87
87
92

Pressure (mb)

1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1025
1025
1025
1025
1025
1025
1024
1024

Ozone (du)

332
329
327
326
325
326
326
326
326
326
326
326
326
326
325
323
319
318
318
318
318
319
319
319

Thursday 27

Waxing Gibbous 100%

20:06

No Set

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

Sun - Rise: 06:07, Set: 20:18, Transit: 13:13. Moon - Rise: 20:06, Set: No Set. Civil Dark: 20:58 - 05:27. Nautical Dark: 21:49 - 04:39. Astro Dark: 22:50 - 03:38

Total Clouds (% Sky Obscured)

65
92
66
47
26
53
27
15
33
24
33
72
44
48
46
38
39
46
55
40
78
86
93
100

Low Clouds (% Sky Obscured)

11
13
11
12
16
40
19
10
11
8
0
0
0
0
0
0
0
0
2
3
4
3
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
4
1
0
0
0
0
0
0
0
0
0
0
0
0
5
10
11
59
37
33

High Clouds (% Sky Obscured)

48
79
49
26
5
0
1
1
16
13
32
68
43
46
46
38
39
46
55
20
69
82
92
100

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

Chance of Frost

Temperature (°C)

13
13
14
15
17
18
20
21
22
22
22
22
22
21
20
19
18
18
17
17
17
17
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
89
80
71
61
52
45
42
41
41
41
42
43
47
53
60
63
66
68
71
71
68
67

Pressure (mb)

1024
1023
1023
1024
1023
1023
1023
1022
1022
1021
1021
1020
1020
1019
1018
1018
1018
1018
1017
1017
1016
1016
1015
1014

Ozone (du)

319
320
320
319
316
314
312
311
310
308
307
306
305
305
305
305
305
305
307
309
305
304
305
304

Friday 28

Full Moon 99%

20:12

06:15

05 Bad
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

Sun - Rise: 06:09, Set: 20:16, Transit: 13:12. Moon - Rise: 20:12, Set: 06:15. Civil Dark: 20:55 - 05:29. Nautical Dark: 21:46 - 04:41. Astro Dark: 22:46 - 03:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
91
87
48
58
92

Low Clouds (% Sky Obscured)

6
11
16
64
78
44
58
87
89
92
95
97
95
94
90
90
87
86
86
28
21
18
17
16

Medium Clouds (% Sky Obscured)

29
20
100
100
100
100
100
100
100
100
100
100
92
84
76
78
76
82
80
78
76
7
3
4

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
44
9
75
23
37
86

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
9
7
3
5
2
2
1
1
1
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
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

12
21
30
50
33
38
66
95
95
95
95
95
95
95
95
95
95
95
48
31
21
16
10
1

Precipitation Amount (mm)

0
0
0
0.2
0
0
0.2
0.9
1.1
0.6
0.9
1
1
2.8
6.8
3.9
3.3
1.1
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
18
18
18
19
19
19
19
17
16
16
14
12
10
8
6
7
8
9
7
8
9
9
9

Chance of Frost

Temperature (°C)

18
17
17
18
17
18
18
18
17
17
17
17
17
17
17
16
16
16
17
16
16
16
15
15

Feels Like (°C)

14
13
13
14
13
13
14
13
13
13
13
14
15
15
16
16
16
15
15
16
15
14
15
15

Dew Point (°C)

12
12
12
12
12
11
11
11
13
13
13
15
15
15
16
16
16
16
15
15
15
14
14
14

Relative Humidity (%)

70
72
72
70
71
66
64
63
79
78
77
87
89
92
96
98
98
96
92
92
90
89
92
92

Pressure (mb)

1013
1012
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

302
299
296
297
298
298
297
299
299
299
300
302
303
305
303
306
309
317
329
337
338
337
336
336

Saturday 29

Waning Gibbous 96%

20:18

07:38

05 Bad
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 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:11, Set: 20:13, Transit: 13:12. Moon - Rise: 20:18, Set: 07:38. Civil Dark: 20:53 - 05:32. Nautical Dark: 21:43 - 04:44. Astro Dark: 22:42 - 03:45

Total Clouds (% Sky Obscured)

68
65
67
100
100
100
71
64
70
79
89
90
74
58
41
48
47
44
54
70
89
92
95
98

Low Clouds (% Sky Obscured)

17
20
24
20
18
13
20
29
47
59
65
72
58
44
28
27
22
20
33
41
57
62
65
70

Medium Clouds (% Sky Obscured)

11
18
20
100
85
53
32
30
31
34
34
33
22
11
0
9
20
30
32
35
41
54
72
82

High Clouds (% Sky Obscured)

53
50
57
100
100
100
56
41
28
47
70
90
67
33
0
4
8
11
39
68
89
74
62
50

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
2
8
3
2
13
16
15
29
33
34
24
17
3
9
9
3
11
13
9

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)

10
10
10
12
13
14
14
15
17
18
17
16
15
13
12
10
10
10
10
9
8
8
7
7

Chance of Frost

Temperature (°C)

15
15
16
16
17
18
19
20
20
21
20
20
20
19
19
19
18
17
17
16
17
16
16
16

Feels Like (°C)

14
15
16
16
15
16
16
18
18
18
18
18
18
18
19
19
17
18
19
19
19
18
16
16

Dew Point (°C)

14
14
14
14
14
13
12
12
12
12
12
12
12
13
14
15
15
14
14
14
14
13
14
15

Relative Humidity (%)

92
92
90
85
81
73
65
59
58
57
59
60
62
68
73
80
81
82
83
83
83
82
86
89

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1007
1007

Ozone (du)

336
336
336
331
329
328
327
326
327
325
325
326
326
325
324
323
322
320
318
315
313
310
309
308

Sunday 30

Waning Gibbous 91%

20:24

09:02

05 Bad
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 OK
23 OK
00 OK
01 OK
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:13, Set: 20:10, Transit: 13:12. Moon - Rise: 20:24, Set: 09:02. Civil Dark: 20:50 - 05:34. Nautical Dark: 21:40 - 04:46. Astro Dark: 22:38 - 03:49

Total Clouds (% Sky Obscured)

98
99
100
99
99
98
94
89
84
87
93
99
89
77
66
54
45
36
36
35
42
59
69
78

Low Clouds (% Sky Obscured)

61
53
44
58
71
85
79
77
80
87
89
90
89
77
66
54
45
34
33
35
42
36
43
39

Medium Clouds (% Sky Obscured)

84
90
98
94
91
88
89
87
82
79
72
65
59
52
50
37
24
11
9
7
4
3
1
0

High Clouds (% Sky Obscured)

58
70
87
80
76
71
81
89
84
43
18
0
0
0
0
0
0
0
1
3
5
28
53
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
5
3
5
7
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
16
21
34
40
38
40
49
57
68
78
91
86
80
54
37
32
18
13
9
2
3
5
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.7
0.5
0.5
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
17
17
17
18
18
18
18
18
17
17
17
17
17
17
16
16
16
16
15
15
15
15

Feels Like (°C)

16
16
16
15
16
17
17
16
15
14
18
17
16
17
18
18
16
16
16
16
17
17
14
14

Dew Point (°C)

15
15
15
15
15
16
16
15
13
12
12
12
12
13
14
14
14
14
14
14
13
13
13
13

Relative Humidity (%)

92
92
90
89
88
88
86
80
73
67
70
72
73
77
81
86
86
87
87
87
87
87
87
89

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1007
1007
1007
1007
1007
1008
1008
1008
1008
1007
1007

Ozone (du)

306
307
307
308
309
310
311
312
312
312
311
310
309
308
307
307
307
308
308
310
311
312
314
315

Monday 31

Waning Gibbous 84%

20:32

10:28

Sun - Rise: 06:15, Set: 20:08, Transit: 13:11. Moon - Rise: 20:32, Set: 10:28. Civil Dark: 20:47 - 05:36. Nautical Dark: 21:37 - 04:49. Astro Dark: 22:34 - 03:52

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 25/08/26 05:07:59. Forecast: 25/08/26 to 31/08/26. Timezone: UTC+2.00