Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 61%

11:44

02:17

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

Sun - Rise: 08:42, Set: 15:45, Transit: 12:13. Moon - Rise: 11:44, Set: 02:17. Civil Dark: 16:31 - 07:55. Nautical Dark: 17:20 - 07:06. Astro Dark: 18:05 - 06:21

Total Clouds (% Sky Obscured)

1
2
2
0
4
0
25
30
25
25
17
11
8
8
8
12
11
13
15
17
14
14
31
23

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
25
30
25
25
17
11
8
8
8
12
11
13
15
4
5
5
12
17

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
4
16

High Clouds (% Sky Obscured)

1
2
0
0
4
0
0
4
0
0
0
0
0
0
0
3
4
4
4
12
6
4
22
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
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
4
5
5
12
14
16
16
16
16
15
14
12
12
12
11
11
10
10
9
7
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
72
70
60
54
63
80
86
82
76
79
82
83
83
83
83
85
88
88
89
89
89
88
86

Pressure (mb)

1030
1030
1029
1028
1026
1025
1023
1022
1021
1020
1019
1019
1018
1018
1018
1017
1017
1016
1016
1015
1015
1015
1015
1015

Ozone (du)

271
270
268
267
267
269
271
273
273
274
277
276
279
282
284
283
282
277
275
276
277
277
275
274

Monday 29

Waxing Gibbous 72%

11:52

03:54

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

Sun - Rise: 08:41, Set: 15:46, Transit: 12:14. Moon - Rise: 11:52, Set: 03:54. Civil Dark: 16:32 - 07:55. Nautical Dark: 17:21 - 07:06. Astro Dark: 18:06 - 06:21

Total Clouds (% Sky Obscured)

21
26
46
96
97
100
99
75
8
15
4
4
5
13
9
5
52
46
5
10
11
12
13
4

Low Clouds (% Sky Obscured)

0
12
40
88
90
98
50
55
1
13
2
2
2
11
9
0
0
30
3
10
10
12
13
4

Medium Clouds (% Sky Obscured)

21
26
46
51
44
50
44
24
6
2
0
0
0
4
1
4
50
46
3
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
7
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
6
11
6
3
5
0
0
0
0
0
0
0
1
0
15
25
6
2
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
7
9
11
12
12
14
12
13
15
14
15
16
15
15
17
17
18
18
17
16
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
1
-2
-5
-5
-5
-6
-6
-6
-5
-6
-6
-6
-5
-6
-6
-7
-7
-6
-6
-5
-5
-5

Dew Point (°C)

1
0
-2
-4
-7
-9
-12
-11
-10
-10
-10
-9
-9
-8
-8
-8
-9
-8
-8
-8
-8
-9
-8
-8

Relative Humidity (%)

82
75
67
57
51
44
36
39
42
42
45
48
49
50
51
51
44
50
49
49
50
48
49
48

Pressure (mb)

1016
1016
1016
1016
1017
1017
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023

Ozone (du)

270
276
296
324
347
347
344
351
354
353
353
356
363
365
360
357
356
345
331
325
322
321
323
324

Tuesday 30

Waxing Gibbous 82%

12:04

05:35

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

Sun - Rise: 08:41, Set: 15:47, Transit: 12:14. Moon - Rise: 12:04, Set: 05:35. Civil Dark: 16:33 - 07:55. Nautical Dark: 17:22 - 07:06. Astro Dark: 18:07 - 06:21

Total Clouds (% Sky Obscured)

0
2
7
2
17
34
56
85
40
11
8
4
12
39
90
82
81
75
34
46
34
19
7
28

Low Clouds (% Sky Obscured)

0
1
7
2
17
4
3
51
34
4
4
4
0
14
71
80
79
74
20
32
24
12
2
13

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
5
6
6
5
5
0
7
8
5
4
40
4
3
7
6
5
3
5

High Clouds (% Sky Obscured)

0
0
0
0
4
33
56
11
21
4
0
0
0
13
54
50
50
39
20
3
3
1
1
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
0
0
0
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
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
1
1
0
1
0
0
0
0
0
0
1
43
34
29
25
5
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-4
-4
-5
-5
-4
-5
-5
-3
-3
-4
-4
-6
-5
-4
-2
-2
-2
-2
-3
-3
-3

Dew Point (°C)

-8
-9
-9
-9
-9
-10
-10
-9
-9
-9
-8
-8
-9
-8
-6
-0
0
2
1
1
1
0
-1
-4

Relative Humidity (%)

45
44
41
42
42
43
42
45
46
46
50
54
53
58
68
98
96
94
82
86
86
86
81
69

Pressure (mb)

1023
1023
1023
1023
1022
1022
1022
1022
1021
1020
1019
1019
1017
1016
1014
1013
1012
1011
1010
1010
1011
1012
1013
1014

Ozone (du)

321
320
326
330
330
328
327
325
326
328
328
325
322
318
318
314
312
307
306
304
304
301
302
301

Wednesday 31

Waxing Gibbous 90%

12:23

07:14

11 OK
12 Bad
13 OK
14 OK
15 OK
16 Good
17 Good
18 Good
19 OK
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

Sun - Rise: 08:41, Set: 15:48, Transit: 12:15. Moon - Rise: 12:23, Set: 07:14. Civil Dark: 16:34 - 07:55. Nautical Dark: 17:23 - 07:06. Astro Dark: 18:08 - 06:21

Total Clouds (% Sky Obscured)

40
61
47
34
21
15
10
6
32
60
81
88
94
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

29
39
33
19
8
6
3
0
9
22
43
58
72
88
86
84
82
80
79
75
75
74
75
77

Medium Clouds (% Sky Obscured)

5
6
6
6
5
2
2
2
11
60
81
88
94
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

1
0
0
0
0
0
1
3
18
40
49
66
83
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
0
7
0
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
Snow
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
9
31
57
64
56
54
52
43
33
30
28
29
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
6
5
3
2
3
4
5
6
8
10
12
12
13
14
15
16
16
16
16
17
17
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
60
59
60
65
67
71
72
74
75
74
81
98
93
94
93
91
89
89
80
86
85
86
86

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1013
1012
1011
1010
1008
1007
1005
1004
1002
1001
1000
998
997
996
995
994

Ozone (du)

301
301
299
302
307
310
311
306
300
299
302
294
303
310
327
325
315
309
319
330
339
346
353
359

Thursday 1

Waxing Gibbous 97%

12:57

08:35

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 08:41, Set: 15:49, Transit: 12:15. Moon - Rise: 12:57, Set: 08:35. Civil Dark: 16:35 - 07:55. Nautical Dark: 17:24 - 07:06. Astro Dark: 18:09 - 06:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
98
71
85
75
85
89
94
100
97
94
91
89
86
83
82

Low Clouds (% Sky Obscured)

81
84
85
87
79
86
78
59
62
53
61
72
67
78
85
93
100
95
89
81
73
63
55
38

Medium Clouds (% Sky Obscured)

65
100
82
97
100
50
50
50
38
28
15
33
29
34
40
46
52
35
18
2
13
23
34
53

High Clouds (% Sky Obscured)

100
100
100
100
100
92
82
75
77
78
66
49
28
10
10
11
15
11
6
0
3
5
8
23

ISS Passover

Visibility (miles)

9
0
0
0
9
6
9
9
9
9
9
9
9
9
5
6
7
8
8
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

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

Precipitation Probability (%)

53
44
72
65
71
72
70
68
57
42
13
23
26
32
60
66
69
65
56
40
34
25
2
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

20
20
18
18
19
18
18
17
17
18
18
18
18
19
20
18
17
17
16
17
18
15
12
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
94
94
96
85
93
88
82
85
86
83
88
82
82
85
83
83
82
77
73
70
72
73
77

Pressure (mb)

993
991
990
990
989
988
987
987
986
986
985
984
983
982
981
980
980
979
980
981
982
983
984
984

Ozone (du)

368
372
373
373
371
369
368
366
382
391
387
386
389
381
370
370
370
369
370
370
370
370
370
370

Friday 2

Waxing Gibbous 100%

13:55

09:28

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 08:40, Set: 15:50, Transit: 12:15. Moon - Rise: 13:55, Set: 09:28. Civil Dark: 16:36 - 07:54. Nautical Dark: 17:25 - 07:06. Astro Dark: 18:10 - 06:21

Total Clouds (% Sky Obscured)

83
80
84
85
87
88
87
87
89
79
77
86
94
100
98
97
93
84
75
71
66
60
56
63

Low Clouds (% Sky Obscured)

22
6
4
2
1
6
11
16
24
38
58
74
80
82
87
89
90
83
75
71
64
58
52
57

Medium Clouds (% Sky Obscured)

68
80
76
71
63
61
62
66
58
46
26
36
47
57
36
19
3
2
1
0
0
1
2
17

High Clouds (% Sky Obscured)

37
48
49
47
48
34
21
13
9
4
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
7
6
4
5
6
6
7
7
7
7
8
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
13
21
27
32
37
40
41
34
27
20
23
26
25
25
24
19
23
23
20
28
30
21
36

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-6
-3
-3
-3
-4
-3
-3
-5
-5
-5
-5
-5
-5
-7
-7
-7
-7
-7
-7
-6
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

76
74
73
73
72
70
70
73
73
73
71
71
71
71
71
71
71
71
71
71
70
70
68
68

Pressure (mb)

984
984
984
984
985
985
985
985
986
986
987
987
988
988
988
989
989
989
989
990
990
990
991
991

Ozone (du)

374
377
381
385
388
392
394
397
399
403
407
411
411
410
409
409
408
408
408
408
408
408
407
406

Saturday 3

Full Moon 99%

15:20

09:59

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
06 Bad

Sun - Rise: 08:40, Set: 15:52, Transit: 12:16. Moon - Rise: 15:20, Set: 09:59. Civil Dark: 16:38 - 07:54. Nautical Dark: 17:26 - 07:06. Astro Dark: 18:11 - 06:21

Total Clouds (% Sky Obscured)

71
81
79
80
77
76
75
75
70
58
40
36
33
30
37
45
52
63
73
84

Low Clouds (% Sky Obscured)

63
69
70
71
73
65
60
59
43
37
38
36
33
30
37
45
52
63
73
78

Medium Clouds (% Sky Obscured)

33
48
38
29
20
18
15
10
19
31
40
36
33
30
37
45
44
42
40
38

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
7
12
17

ISS Passover

Visibility (miles)

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

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 (%)

42
44
38
28
5
7
8
8
10
9
4
14
16
15
15
16
15
17
16
13

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-6
-7
-6
-5
-5
-5
-5
-5
-6
-6
-7
-7
-7
-7
-7
-7
-7
-7
-7

Relative Humidity (%)

66
62
59
66
72
78
79
79
78
76
75
75
73
75
75
76
76
76
76
75

Pressure (mb)

992
992
993
993
994
994
995
995
996
997
997
998
998
998
999
999
999
1000
1000
1000

Ozone (du)

406
406
406
407
407
408
407
406
405
406
406
406
405
404
403
404
404
405
407
409

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

Generated: 28/12/25 11:48:01. Forecast: 28/12/25 to 03/01/26. Timezone: UTC+1.00