Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waxing Gibbous 72%

12:04

03:54

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

Sun - Rise: 08:41, Set: 15:46, Transit: 12:14. Moon - Rise: 12:04, 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)

31
30
62
98
92
91
14
24
19
4
20
82
85
12
57
14
7
12
10
7
9
12
13
13

Low Clouds (% Sky Obscured)

31
30
55
15
15
32
1
0
0
1
18
17
29
12
44
14
7
12
10
7
9
12
13
13

Medium Clouds (% Sky Obscured)

31
30
45
42
30
87
10
24
19
0
14
68
65
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
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 (%)

0
0
0
0
0
0
0
1
2
2
9
5
8
10
11
1
1
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
7
12
10
11
12
12
13
15
16
16
17
16
16
17
16
17
18
18
17
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
-0
-4
-4
-4
-5
-5
-4
-4
-5
-5
-6
-7
-6
-5
-6
-5
-5
-6
-5
-5
-5
-4
-4

Dew Point (°C)

0
-3
-6
-7
-10
-11
-11
-11
-11
-9
-9
-9
-9
-9
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8

Relative Humidity (%)

73
63
54
49
41
37
40
40
40
45
45
46
44
45
50
51
51
51
49
49
50
49
49
48

Pressure (mb)

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

Ozone (du)

300
326
344
346
345
347
350
350
352
355
357
357
359
362
358
348
332
325
323
323
323
319
317
317

Tuesday 30

Waxing Gibbous 82%

12:23

05:35

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

Sun - Rise: 08:41, Set: 15:47, Transit: 12:15. Moon - Rise: 12:23, 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)

19
17
16
19
24
23
20
44
14
70
80
64
20
82
90
92
90
80
86
79
51
36
61
68

Low Clouds (% Sky Obscured)

16
16
13
19
20
16
13
0
2
2
2
3
0
5
73
83
83
80
86
61
13
2
12
23

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
4
4
8
10
9
12
45
53
7
4
3
0
5
36
61
68

High Clouds (% Sky Obscured)

4
0
0
0
4
7
4
44
9
70
80
51
9
82
85
67
11
60
62
55
41
22
22
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
4
0
0
0
0
7
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
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
0
0
0
0
0
0
0
0
0
0
0
3
29
58
66
33
8
4
2
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
17
16
15
14
14
14
12
11
10
8
8
9
9
10
11
11
10
8
6
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-9
-10
-11
-11
-10
-9
-9
-9
-8
-8
-8
-7
-2
0
1
1
2
2
2
2
3

Relative Humidity (%)

48
48
48
47
43
41
41
42
47
48
50
54
59
55
61
86
96
98
98
96
93
91
91
89

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1022
1022
1021
1020
1020
1019
1017
1016
1015
1014
1012
1012
1011
1011
1011
1011
1011

Ozone (du)

322
324
325
325
330
330
326
321
322
321
320
321
321
316
308
306
308
301
297
294
297
298
297
294

Wednesday 31

Waxing Gibbous 90%

12:57

07:14

13 Bad
14 Good
15 Good
16 OK
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
12 Bad

Sun - Rise: 08:41, Set: 15:48, Transit: 12:15. Moon - Rise: 12:57, 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)

70
3
5
17
69
66
90
97
100
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
0
0
0
9
7
25
40
98
88
92
94
89
83
85
90
91
99
92
85
79
80
79
82

Medium Clouds (% Sky Obscured)

70
3
5
1
0
0
1
9
10
13
23
24
20
20
20
100
100
100
100
100
100
100
99
99

High Clouds (% Sky Obscured)

0
0
0
9
40
37
52
48
86
53
26
55
75
83
100
100
100
100
73
43
10
5
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
0
0
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
Light Rain
None
None
Light Rain
None
None
None
None
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
12
55
78
46
56
60
29
11
18
41
73
50
57
73
95
66
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.5
0
0
0.4
0
0
0
0
0.5
0.2
0.2
0.4
0.7
0
0

Wind Speed/Direction (mph)

7
5
3
3
4
5
6
8
9
10
10
12
13
15
16
18
19
20
20
19
18
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
91
91
91
92
94
94
94
93
94
93
91
89
86
89
89
85
85
86
89
96
94
88

Pressure (mb)

1011
1011
1011
1010
1010
1009
1009
1008
1007
1006
1004
1003
1001
1000
999
997
996
994
992
991
990
989
988
986

Ozone (du)

293
299
296
298
305
309
298
293
289
292
297
288
291
295
297
303
317
319
344
353
361
373
382
381

Thursday 1

Waxing Gibbous 97%

12:57

08:35

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
12 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
98
95
92
80
67
54
52
51
37
41
52
64
57
61
58
62
67
74

Low Clouds (% Sky Obscured)

71
81
88
82
92
88
95
90
84
74
63
51
47
43
37
41
52
63
56
61
58
62
67
72

Medium Clouds (% Sky Obscured)

97
100
100
81
79
100
32
59
65
73
65
54
52
51
1
0
1
7
3
0
0
2
2
3

High Clouds (% Sky Obscured)

17
42
65
38
16
20
31
0
0
0
0
2
3
4
1
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
6
7
9
9
3
9
3
9
9
6
8
7
2
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
Light Rain
Very Light Rain
None
None
None
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

46
39
44
39
52
54
74
55
49
56
47
33
32
43
26
20
13
21
23
22
21
17
18
17

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.2
0
0
0
0.1
0.1
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
17
17
16
16
16
16
17
16
17
18
16
14
13
17
17
17
17
17
17
17
16
16
16

Chance of Frost

Temperature (°C)

4
4
4
4
4
3
4
4
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
82
77
76
89
75
80
76
79
80
80
79
83
74
69
68
66
65
65
66
69
69
69

Pressure (mb)

985
984
983
982
981
980
979
979
980
980
980
981
982
982
982
982
983
983
983
984
984
985
985
986

Ozone (du)

377
378
378
383
386
384
376
384
376
373
365
371
380
380
385
386
375
374
374
372
374
375
378
380

Friday 2

Waxing Gibbous 100%

13:55

09:28

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
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
12 Bad

Sun - Rise: 08:40, Set: 15:50, Transit: 12:16. 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)

93
94
97
85
73
67
53
47
30
54
80
97
90
84
83
85
88
91
94
97
100
95
93
87

Low Clouds (% Sky Obscured)

79
85
96
74
59
51
46
40
30
44
65
75
69
64
61
63
61
58
52
37
29
40
58
73

Medium Clouds (% Sky Obscured)

74
58
32
36
18
11
9
9
3
18
31
28
31
33
35
34
34
24
19
14
18
15
9
0

High Clouds (% Sky Obscured)

9
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
6
3
0
1
1
2
4
7
9
7
5

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 (%)

18
19
18
20
20
16
15
13
4
8
12
15
22
21
16
25
28
25
24
24
18
18
18
18

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)

16
15
15
14
14
14
12
10
8
7
6
4
3
3
4
6
7
8
8
8
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
71
75
74
74
71
74
75
78
80
80
80
80
83
87
89
89
89
89
81
74
68
67
67

Pressure (mb)

986
987
988
989
990
991
991
992
993
993
994
994
995
995
995
995
996
996
996
997
997
998
998
999

Ozone (du)

383
386
384
387
391
395
397
401
403
412
415
419
422
419
416
414
414
414
415
413
412
410
410
410

Saturday 3

Full Moon 99%

15:20

09:59

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
12 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)

92
95
97
97
97
95
97
94
95
93
92
94
96
97
96
95
96
100
96
93
88
92
96
100

Low Clouds (% Sky Obscured)

74
75
77
81
85
89
90
93
95
92
89
84
70
55
40
36
31
26
22
18
14
20
27
30

Medium Clouds (% Sky Obscured)

3
7
11
9
5
0
0
0
0
0
0
0
13
25
38
55
72
89
81
79
83
88
94
100

High Clouds (% Sky Obscured)

0
0
0
7
10
12
15
17
30
30
40
40
47
55
56
66
82
100
86
72
61
77
91
100

ISS Passover

Visibility (miles)

3
5
6
8
8
8
8
8
8
8
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 (%)

21
23
25
23
20
17
18
20
19
19
16
5
7
7
3
5
5
1
3
2
0
1
1
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-7
-7
-7
-8
-8
-8
-9
-9
-9
-9
-8

Relative Humidity (%)

66
67
68
68
69
69
71
71
73
75
75
76
79
78
76
76
75
73
73
72
70
70
69
69

Pressure (mb)

999
999
999
1000
1000
1000
1000
1001
1001
1001
1001
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003

Ozone (du)

409
404
398
393
390
387
385
385
385
385
384
383
382
381
380
379
380
380
381
381
382
382
380
378

Sunday 4

Waning Gibbous 96%

16:58

10:16

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: 08:39, Set: 15:53, Transit: 12:17. Moon - Rise: 16:58, Set: 10:16. Civil Dark: 16:39 - 07:54. Nautical Dark: 17:27 - 07:05. Astro Dark: 18:12 - 06:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
39
44
57
67
75
69
69
72
77
81
89
94
96
99
97
95
92

Medium Clouds (% Sky Obscured)

100
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
94
90

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
None
None
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

3
3
1
9
10
5
13
14
11
17
18
13
40
50
56
51
46
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-2
-2
-2
-2
-2
-2
-2

Feels Like (°C)

-8
-8
-8
-8
-9
-8
-9
-8
-8
-9
-9
-9
-8
-9
-9
-9
-9
-9

Dew Point (°C)

-8
-8
-8
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-6
-7
-7
-7
-7

Relative Humidity (%)

68
69
72
75
73
75
73
73
72
71
71
72
75
74
72
72
71
68

Pressure (mb)

1003
1002
1002
1002
1002
1002
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002

Ozone (du)

376
374
372
370
370
371
371
372
372
372
372
371
370
371
372
373
373
374

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

Generated: 29/12/25 13:30:56. Forecast: 29/12/25 to 04/01/26. Timezone: UTC+1.00