Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

First Quarter 61%

11:44

00:46

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 OK
13 OK
14 OK
15 OK
16 Bad
17 OK
18 OK
19 OK
20 OK
21 Good
22 Good

Sun - Rise: 08:42, Set: 15:45, Transit: 12:13. Moon - Rise: 11:44, Set: 00:46. Civil Dark: 16:31 - 07:55. Nautical Dark: 17:20 - 07:06. Astro Dark: 18:05 - 06:21

Total Clouds (% Sky Obscured)

0
2
0
0
0
0
0
0
0
0
0
8
15
24
26
25
35
97
32
24
19
18
6
4

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
15
24
26
25
35
94
32
24
19
18
6
4

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
2
0
0
0
0
0
0
0
0
0
7
7
2
4
0
4
4
6
4
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)

20
18
14
13
10
8
8
7
6
5
5
5
6
9
11
13
15
15
16
16
14
13
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
69
63
61
58
63
72
74
76
80
84
86
79
68
59
62
77
88
85
88
86
77
75
79

Pressure (mb)

1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1028
1027
1026
1024
1022
1021
1020
1019
1019
1018
1018

Ozone (du)

292
287
280
281
281
282
284
286
281
278
276
273
273
272
272
271
270
271
272
275
279
281
281
281

Sunday 28

Waxing Gibbous 72%

11:52

02:17

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

Sun - Rise: 08:42, Set: 15:46, Transit: 12:14. Moon - Rise: 11:52, Set: 02:17. Civil Dark: 16:32 - 07:55. Nautical Dark: 17:21 - 07:06. Astro Dark: 18:06 - 06:21

Total Clouds (% Sky Obscured)

0
0
0
1
4
5
5
8
37
49
65
79
23
23
22
46
98
100
97
88
77
53
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
9
14
20
23
23
23
22
46
87
98
55
65
70
33
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
3
0
0
7
8
15
9
10
13
22
25
54
88
77
53
0
0

High Clouds (% Sky Obscured)

0
0
0
1
4
4
4
4
37
49
58
72
4
4
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
5
8
4
8
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
1
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
3
18
26
25
13
11
0
0
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)

8
7
6
6
6
6
6
5
4
4
4
4
4
4
6
8
15
15
10
9
11
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
89
93
91
91
93
93
91
89
89
89
91
86
83
83
76
82
64
47
41
41
42
43
46

Pressure (mb)

1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1014
1014
1015
1016
1017
1017
1017
1018
1018
1018

Ozone (du)

281
280
279
278
278
275
271
270
270
271
273
273
273
274
274
286
306
344
350
342
345
352
355
364

Monday 29

Waxing Gibbous 82%

12:04

03:54

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

Sun - Rise: 08:41, Set: 15:47, Transit: 12:14. Moon - Rise: 12:04, Set: 03:54. Civil Dark: 16:33 - 07:55. Nautical Dark: 17:22 - 07:06. Astro Dark: 18:07 - 06:21

Total Clouds (% Sky Obscured)

16
20
23
28
41
36
23
9
10
17
12
11
13
14
11
1
3
3
4
2
31
70
69
73

Low Clouds (% Sky Obscured)

16
20
20
27
41
3
9
6
4
10
10
8
11
13
11
1
2
0
2
2
19
46
32
37

Medium Clouds (% Sky Obscured)

0
0
0
1
1
36
18
0
0
0
0
0
0
0
0
0
0
3
3
0
13
32
51
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
7
17
19
22

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
5
20
3
1
17
2
0
0
0
0
0
0
1
1
1
0
0
0
12
3
1
27

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

Chance of Frost

Temperature (°C)

1
2
2
2
2
2
2
2
1
1
1
2
2
3
3
3
2
2
2
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
48
48
51
54
51
52
48
49
48
49
47
46
44
44
42
42
41
42
42
45
46
46
45

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1019
1019
1018

Ozone (du)

370
375
376
375
373
364
355
342
336
336
331
329
328
325
322
321
323
324
326
330
333
332
329
324

Tuesday 30

Waxing Gibbous 90%

12:23

05:35

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

Sun - Rise: 08:41, Set: 15:48, Transit: 12:15. Moon - Rise: 12:23, Set: 05:35. Civil Dark: 16:34 - 07:55. Nautical Dark: 17:23 - 07:06. Astro Dark: 18:08 - 06:21

Total Clouds (% Sky Obscured)

76
75
68
61
54
70
85
99
89
78
66
59
52
45
50
56
58
49
42
34
40
58
72
77

Low Clouds (% Sky Obscured)

51
50
51
40
31
33
31
28
59
63
66
59
49
42
45
48
51
37
26
8
1
0
1
12

Medium Clouds (% Sky Obscured)

14
0
0
2
3
16
42
99
89
78
66
59
52
45
3
0
0
3
6
12
25
58
72
77

High Clouds (% Sky Obscured)

25
29
26
22
18
31
30
30
30
35
40
40
40
18
2
2
4
3
15
23
10
20
20
20

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 (%)

36
40
37
32
15
26
26
23
17
14
4
5
2
0
1
1
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
12
12
11
10
11
12
13
15
14
13
12
11
10
10
9
6
6
5
4
4
4
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-7
-7
-6
-4
-3
-3
-3
-2
-1
-1
-0
-1
-2
-2
-3
-3
-3
-3
-3
-3
-3
-3

Relative Humidity (%)

49
51
53
53
59
65
70
73
77
81
91
94
93
88
81
78
77
76
78
80
86
89
89
89

Pressure (mb)

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

Ozone (du)

322
320
321
324
322
320
315
313
310
309
308
308
307
307
308
309
311
317
318
315
312
309
307
308

Wednesday 31

Waxing Gibbous 97%

12:57

07:14

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

Sun - Rise: 08:41, Set: 15:49, Transit: 12:15. Moon - Rise: 12:57, Set: 07:14. Civil Dark: 16:35 - 07:55. Nautical Dark: 17:24 - 07:06. Astro Dark: 18:09 - 06:21

Total Clouds (% Sky Obscured)

82
87
91
95
100
100
100
100
100
100
100
100
100
100
100
100
100
93
86
79
71
64
60
73

Low Clouds (% Sky Obscured)

24
50
58
65
80
83
88
92
87
82
77
84
89
95
91
87
84
76
68
62
58
59
55
64

Medium Clouds (% Sky Obscured)

82
87
91
95
100
100
100
100
100
100
100
100
100
100
99
97
96
87
77
63
52
43
36
58

High Clouds (% Sky Obscured)

20
20
42
69
97
98
99
100
100
100
100
100
100
100
100
99
99
66
33
1
2
3
3
16

ISS Passover

Visibility (miles)

9
9
9
9
9
2
7
7
9
9
0
1
0
0
1
2
3
4
6
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
4
9
29
40
58
69
60
57
50
50
61
59
88
79
59
52
43
26
33
32
22
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
8
10
11
10
11
12
14
15
16
16
16
16
17
18
17
17
17
17
16
17
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
86
87
91
96
98
94
93
93
96
96
96
98
94
94
94
93
93
89
89
88
86
85

Pressure (mb)

1013
1012
1011
1010
1008
1006
1004
1003
1001
1000
998
997
995
994
992
991
990
989
989
988
988
987
986
986

Ozone (du)

300
295
290
299
307
308
306
306
305
310
312
311
318
335
353
361
369
377
386
394
403
402
401
400

Thursday 1

Waxing Gibbous 94%

13:55

08:35

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

Sun - Rise: 08:41, Set: 15:50, Transit: 12:15. Moon - Rise: 13:55, Set: 08:35. Civil Dark: 16:36 - 07:55. Nautical Dark: 17:25 - 07:06. Astro Dark: 18:10 - 06:21

Total Clouds (% Sky Obscured)

85
100
98
96
95
95
93
90
87
70
63
77
88
99
80
62
43
41
41
41
46
49
56
56

Low Clouds (% Sky Obscured)

68
74
70
65
60
58
57
55
42
29
15
19
21
25
18
15
12
15
18
22
24
30
32
33

Medium Clouds (% Sky Obscured)

79
99
88
78
63
62
61
57
36
30
39
56
73
90
67
43
18
13
8
2
17
26
25
25

High Clouds (% Sky Obscured)

28
33
36
35
37
34
24
20
22
24
31
32
40
41
28
16
3
2
2
2
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
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
45
54
55
50
46
46
49
41
31
10
20
20
14
26
27
19
23
22
16
29
28
20
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
83
85
85
85
84
83
83
83
81
80
77
76
78
80
83
84
84
86
84
83
83

Pressure (mb)

986
985
985
985
985
985
985
985
985
985
986
986
986
986
986
986
986
986
987
987
988
988
988
989

Ozone (du)

395
391
387
388
389
390
381
372
364
371
378
385
386
388
389
391
392
394
397
400
403
406
408
410

Friday 2

Waxing Gibbous 100%

15:20

09:28

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:40, Set: 15:52, Transit: 12:16. Moon - Rise: 15:20, Set: 09:28. Civil Dark: 16:38 - 07:54. Nautical Dark: 17:26 - 07:06. Astro Dark: 18:11 - 06:21

Total Clouds (% Sky Obscured)

51
46
43
36
39
43
46
50
51
59
70
67
65
62
61
60
58
59
60
60

Low Clouds (% Sky Obscured)

34
31
32
33
34
40
42
39
51
54
50
51
54
60
61
60
58
59
60
60

Medium Clouds (% Sky Obscured)

25
24
26
27
28
23
19
14
8
9
12
15
15
11
16
20
17
26
36
46

High Clouds (% Sky Obscured)

0
0
0
1
1
0
0
0
1
1
2
1
1
1
3
5
6
8
14
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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 (%)

40
37
32
26
21
25
25
23
29
28
13
20
20
12
14
12
2
7
9
10

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)

12
12
13
12
11
11
11
12
12
12
13
14
14
14
14
13
11
10
8
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
84
84
83
83
83
83
83
86
87
89
86
83
80
78
78
77
78
81

Pressure (mb)

989
990
990
991
992
992
993
994
994
995
996
997
998
998
999
999
1000
1000
1001
1001

Ozone (du)

410
410
410
407
404
402
401
400
398
399
400
401
397
393
388
389
389
389
391
392

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

Generated: 27/12/25 22:17:42. Forecast: 27/12/25 to 02/01/26. Timezone: UTC+1.00