Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waxing Crescent 38%

11:31

23:20

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

Sun - Rise: 08:41, Set: 15:43, Transit: 12:12. Moon - Rise: 11:31, Set: 23:20. Civil Dark: 16:30 - 07:55. Nautical Dark: 17:18 - 07:06. Astro Dark: 18:04 - 06:21

Total Clouds (% Sky Obscured)

75
73
68
26
28
38
44
39
43
38
34
29
26
19
19
15
16
13
18
22
24
32
28
27

Low Clouds (% Sky Obscured)

60
69
68
26
28
38
44
39
43
38
34
29
26
19
19
15
16
13
18
22
24
32
28
27

Medium Clouds (% Sky Obscured)

5
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)

35
4
3
0
3
4
4
4
3
4
3
0
0
0
0
0
0
0
0
5
2
9
12
5

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
1
1
0
0
0
0
0
1
1
1
2
2
2
3
3
42
97
96
91
99
99
100
100

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
4
6
6
6
6
6
6
5
4
4
4
4
5
5
6
6
7
7
9
10
12
12

Chance of Frost

Temperature (°C)

3
3
3
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
94
94
96
94
94
96
96
96
94
93
93
93
93
93
93
93
93
91
89
88
89

Pressure (mb)

1034
1034
1034
1034
1034
1034
1034
1033
1034
1033
1033
1034
1034
1034
1034
1033
1033
1032
1031
1031
1029
1029
1028
1027

Ozone (du)

270
269
269
270
270
270
270
270
268
269
270
271
269
269
271
271
271
273
274
274
273
274
277
279

Saturday 27

First Quarter 49%

11:37

00:46

08 OK
09 Bad
10 Bad
11 OK
12 Good
13 Good
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

Sun - Rise: 08:42, Set: 15:44, Transit: 12:13. Moon - Rise: 11:37, Set: 00:46. Civil Dark: 16:30 - 07:55. Nautical Dark: 17:19 - 07:06. Astro Dark: 18:05 - 06:21

Total Clouds (% Sky Obscured)

33
41
82
19
3
3
3
6
1
3
2
0
0
0
0
0
0
0
0
0
0
0
0
2

Low Clouds (% Sky Obscured)

33
28
27
16
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
6
80
3
3
3
3
5
0
2
1
0
0
0
0
0
0
0
0
0
0
0
0
2

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 (%)

95
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)

14
16
17
16
17
17
14
11
9
8
10
11
13
14
18
20
18
17
14
11
9
8
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
88
82
79
81
77
67
66
64
52
54
58
55
45
42
46
47
49
54
58
63
68
72

Pressure (mb)

1025
1025
1024
1024
1024
1025
1026
1027
1028
1028
1029
1029
1030
1030
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032

Ozone (du)

278
276
277
280
279
276
280
284
286
288
288
288
293
292
293
290
285
283
282
283
283
283
281
280

Sunday 28

Waxing Gibbous 61%

11:44

02:17

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

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)

2
2
26
28
33
38
38
37
93
52
42
39
15
7
5
22
26
25
23
22
38
39
45
56

Low Clouds (% Sky Obscured)

0
2
13
11
13
15
17
26
93
45
41
36
15
4
2
16
19
20
20
16
21
30
31
41

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
6

High Clouds (% Sky Obscured)

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

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
8
9
10
11
12
14
15
16
15
13
12
11
11
12
12
11
11
11
10
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
1
1
1
1
0
-1
-1
-1
0
0
0
0
0
-0
-0
0
0
0
0
-1
1
1

Dew Point (°C)

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

Relative Humidity (%)

76
84
86
83
76
69
64
66
76
83
89
89
91
89
83
79
80
83
85
85
86
88
91
94

Pressure (mb)

1032
1032
1031
1030
1029
1028
1026
1025
1024
1022
1021
1021
1020
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017

Ozone (du)

280
280
278
275
273
270
269
269
270
270
271
274
276
277
278
279
279
280
279
278
279
279
280
281

Monday 29

Waxing Gibbous 72%

11:52

03:54

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 OK
05 OK
06 Good
07 OK

Sun - Rise: 08:42, 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)

67
78
82
88
96
91
92
100
93
96
93
90
89
99
97
94
77
70
55
26
17
10
2
13

Low Clouds (% Sky Obscured)

44
40
39
33
30
37
50
65
48
33
16
26
36
46
51
59
47
50
44
26
17
10
1
12

Medium Clouds (% Sky Obscured)

12
12
18
24
27
30
29
100
37
96
87
39
37
35
32
33
29
19
8
0
0
0
0
0

High Clouds (% Sky Obscured)

1
11
28
52
72
72
67
77
41
20
0
0
0
0
0
0
0
0
0
0
0
1
0
1

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
Snow
Snow
None
None
None
None

Precipitation Probability (%)

0
0
1
1
0
3
4
2
5
5
5
5
4
2
20
27
30
34
38
38
30
21
2
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
5
4
3
4
4
4
4
4
5
6
9
11
11
11
12
12
13
12
12
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
1
1
1
1
1
0
-1
-2
-2
-3
-4
-5
-5
-8
-10
-10
-10
-11
-11
-10
-9
-7

Relative Humidity (%)

93
91
88
83
82
79
80
82
80
78
77
73
66
61
65
49
41
42
41
40
41
42
46
55

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022

Ozone (du)

282
284
287
285
281
280
283
286
296
324
332
330
341
348
341
337
334
331
332
334
335
336
335
334

Tuesday 30

Waxing Gibbous 82%

12:04

05:35

08 Good
09 Good
10 Good
11 OK
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

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)

6
15
15
20
25
39
47
60
66
86
100
100
100
100
95
90
87
76
66
55
52
53
55
59

Low Clouds (% Sky Obscured)

5
15
15
20
25
39
43
44
59
45
69
43
56
71
67
60
53
42
27
13
15
20
25
18

Medium Clouds (% Sky Obscured)

0
3
0
0
0
0
0
0
13
86
100
100
100
100
88
77
63
52
45
35
35
36
41
59

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
6

ISS Passover

Visibility (miles)

9
9
9
9
0
4
9
9
9
9
9
9
7
5
4
5
7
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
Sleet
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
1
3
16
25
5
11
12
10
14
22
57
79
95
82
61
26
28
26
11
20
21
17
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
1
0.6
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
66
64
68
94
83
73
77
76
68
63
70
77
86
92
86
77
68
67
63
61
59
57
56

Pressure (mb)

1021
1021
1021
1020
1019
1018
1017
1017
1016
1015
1014
1013
1012
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

335
339
338
332
327
327
325
327
330
331
329
327
326
324
322
323
323
324
325
325
326
331
336
340

Wednesday 31

Waxing Gibbous 90%

12:23

07:14

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 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK

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)

72
85
89
93
98
99
99
100
100
100
100
80
57
22
18
15
12
11
11
13
27
30
29
22

Low Clouds (% Sky Obscured)

14
10
20
31
42
42
43
44
50
55
58
42
25
9
15
15
12
11
11
13
17
15
12
8

Medium Clouds (% Sky Obscured)

72
83
86
92
98
99
99
100
100
100
100
80
54
22
14
15
12
11
11
13
25
30
29
22

High Clouds (% Sky Obscured)

13
30
32
30
25
26
27
25
14
5
0
0
0
0
0
0
0
0
0
0
22
30
29
22

ISS Passover

Visibility (miles)

9
9
9
8
7
6
4
2
0
1
1
1
4
7
9
8
7
6
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

29
31
36
39
44
45
49
52
47
41
35
28
19
0
9
15
20
17
13
8
5
3
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
11
10
10
10
7
5
8
8
7
7
7
8
8
9
10
12
12
12
12
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-4
-5
-5
-4
-6
-6
-5
-5
-5
-5
-6
-6
-7
-8
-7
-8
-7
-8
-9
-9
-9
-9

Dew Point (°C)

-8
-7
-7
-6
-4
-3
-3
-3
-3
-4
-5
-5
-6
-7
-8
-9
-9
-10
-11
-12
-13
-12
-12
-12

Relative Humidity (%)

57
59
59
67
77
86
87
89
91
89
86
84
81
78
73
68
64
58
54
49
46
48
47
47

Pressure (mb)

1011
1011
1011
1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

357
374
391
390
389
388
384
380
376
376
377
378
375
373
370
373
375
378
371
364
358
359
361
362

Thursday 1

Waxing Gibbous 97%

12:57

No Set

08 OK
09 OK
10 OK
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

Sun - Rise: 08:41, Set: 15:49, Transit: 12:15. Moon - Rise: 12:57, Set: No Set. Civil Dark: 16:35 - 07:55. Nautical Dark: 17:24 - 07:06. Astro Dark: 18:09 - 06:21

Total Clouds (% Sky Obscured)

23
35
43
51
62
59
59
68
77
82
90
100
100
96
97
98
98

Low Clouds (% Sky Obscured)

5
0
4
8
12
15
16
22
30
39
52
56
69
78
83
88
85

Medium Clouds (% Sky Obscured)

19
17
25
33
41
38
39
41
45
53
57
56
55
55
63
74
82

High Clouds (% Sky Obscured)

23
35
43
51
50
46
41
33
30
27
26
25
21
22
16
7
0

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

1
0
6
10
13
17
21
22
30
35
39
56
69
78
88
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.1
0.1
0.2
0.4
0.5
0.6
0.8
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-8
-8
-8
-8
-8
-5
-4
-4
-4
-3
-4
-6
-5
-5
-4
-3

Dew Point (°C)

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

Relative Humidity (%)

49
50
52
54
55
56
61
64
70
71
71
72
68
64
61
67
74

Pressure (mb)

1008
1008
1008
1008
1007
1006
1006
1005
1004
1003
1002
1001
1000
999
998
998
997

Ozone (du)

362
363
363
363
364
364
363
362
360
362
364
366
361
356
350
350
350

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

Generated: 26/12/25 08:08:00. Forecast: 26/12/25 to 01/01/26. Timezone: UTC+1.00