Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 22

Waxing Crescent 12%

11:07

19:05

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

Sun - Rise: 08:41, Set: 15:41, Transit: 12:11. Moon - Rise: 11:07, Set: 19:05. Civil Dark: 16:27 - 07:54. Nautical Dark: 17:16 - 07:05. Astro Dark: 18:02 - 06:19

Total Clouds (% Sky Obscured)

98
98
97
88
64
45
28
21
20
30
31
72
74
56
24
21
17
15
13
15
7
7
68
82

Low Clouds (% Sky Obscured)

92
93
78
82
58
45
28
21
20
30
31
67
61
50
24
21
17
15
13
15
2
2
40
61

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
3
3
14
6
3
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
3
0
0
0
9
4
4
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
1
0
2
1
2
4
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2

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
10
10
10
10
11
11
11
12
11
11
10
11
11
11
12
11
11
11
11
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
79
80
83
85
88
86
86
83
80
74
70
77
76
76
79
83
84
84
86
84
86
84

Pressure (mb)

1025
1025
1026
1026
1026
1026
1027
1027
1028
1028
1029
1030
1030
1031
1031
1031
1032
1032
1033
1033
1034
1034
1035
1035

Ozone (du)

340
343
346
349
350
353
354
353
356
358
356
359
366
374
376
374
376
377
377
376
372
371
370
365

Tuesday 23

Waxing Crescent 19%

11:17

20:31

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

Sun - Rise: 08:41, Set: 15:41, Transit: 12:11. Moon - Rise: 11:17, Set: 20:31. Civil Dark: 16:28 - 07:54. Nautical Dark: 17:17 - 07:05. Astro Dark: 18:02 - 06:20

Total Clouds (% Sky Obscured)

75
55
40
28
31
18
18
36
28
19
8
14
9
7
0
2
4
2
2
2
0
0
0
0

Low Clouds (% Sky Obscured)

59
53
36
25
23
13
13
21
22
19
8
14
9
7
0
0
0
2
2
2
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
4
4
0
4
4
4
21
4
0
0
0
0
0
0
2
4
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 (%)

1
1
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)

10
10
9
8
8
8
7
7
7
7
6
6
6
6
6
5
5
5
5
5
5
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
86
84
80
80
83
84
83
81
81
76
70
66
62
65
70
72
74
72
72
71
69
69

Pressure (mb)

1036
1036
1037
1037
1037
1038
1038
1038
1038
1039
1039
1040
1040
1040
1040
1040
1040
1041
1041
1041
1041
1041
1041
1041

Ozone (du)

364
363
361
357
353
348
343
338
333
329
327
328
323
321
322
321
321
320
323
328
330
331
334
334

Wednesday 24

Waxing Crescent 28%

11:25

21:55

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

Sun - Rise: 08:41, Set: 15:42, Transit: 12:12. Moon - Rise: 11:25, Set: 21:55. Civil Dark: 16:29 - 07:54. Nautical Dark: 17:18 - 07:06. Astro Dark: 18:03 - 06:20

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
9
2
0
0
1
1
9
14
9
38
42
88
74
81
84
76

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
21
18
12
5
12

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
2
7
17
28
17

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
9
1
0
0
1
1
8
13
5
37
37
73
65
80
84
69

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6

Relative Humidity (%)

71
69
69
69
69
69
69
69
71
74
71
67
63
60
59
59
62
63
63
63
63
64
66
68

Pressure (mb)

1041
1041
1041
1041
1041
1041
1040
1040
1040
1040
1040
1040
1040
1040
1039
1039
1038
1038
1038
1037
1037
1037
1037
1037

Ozone (du)

333
327
324
326
324
323
319
314
311
308
305
305
301
299
295
291
289
287
285
286
286
283
281
281

Thursday 25

Waxing Crescent 38%

11:31

No Set

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: 15:43, Transit: 12:12. Moon - Rise: 11:31, Set: No Set. Civil Dark: 16:30 - 07:55. Nautical Dark: 17:18 - 07:06. Astro Dark: 18:04 - 06:20

Total Clouds (% Sky Obscured)

72
62
75
87
100
96
96
91
87
82
74
77
79
80
83
80
75
66
59
50
50
51
49
51

Low Clouds (% Sky Obscured)

22
27
21
9
2
4
7
11
51
62
74
77
78
80
81
80
75
66
59
50
50
51
49
51

Medium Clouds (% Sky Obscured)

10
2
5
7
8
14
20
20
16
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

48
31
52
69
82
85
85
58
37
47
23
2
2
2
2
2
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
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)

5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
5
5
5
5
4
4
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
68
70
72
81
89
94
93
94
93
93
93
93
94
94
96
96
96
96
94
93
91
91
91

Pressure (mb)

1036
1036
1035
1035
1034
1034
1034
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033

Ozone (du)

280
279
279
279
280
279
278
276
276
275
276
276
276
275
273
271
270
269
270
270
269
268
266
267

Friday 26

Waxing Crescent 49%

11:37

23:20

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 OK
20 OK
21 Good
22 Good

Sun - Rise: 08:42, Set: 15:44, Transit: 12:13. Moon - Rise: 11:37, Set: 23:20. Civil Dark: 16:30 - 07:55. Nautical Dark: 17:19 - 07:06. Astro Dark: 18:05 - 06:21

Total Clouds (% Sky Obscured)

54
57
59
59
61
59
72
47
50
53
48
47
49
45
55
67
79
67
56
44
30
15
0
0

Low Clouds (% Sky Obscured)

54
55
59
59
56
54
46
41
49
53
48
47
49
45
55
61
60
37
20
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
3
50
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
2
0
0
3
2
0
0
1
0
1
0
1
1
9
19
33
32
29
31
23
13
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)

4
5
5
6
6
7
9
11
13
13
13
11
10
12
10
9
9
11
12
13
13
15
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
93
93
91
89
88
82
82
85
86
88
82
67
64
62
61
59
57
55
55
53
53

Pressure (mb)

1033
1033
1033
1032
1031
1030
1029
1029
1028
1027
1027
1026
1026
1027
1027
1027
1027
1028
1028
1029
1029
1030
1030
1031

Ozone (du)

267
269
269
271
273
274
275
279
284
288
288
289
289
293
296
299
302
305
309
313
317
312
308
303

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

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
0
0
0
0
2
3
4
5
3
3
2
1
0
4
8
12
25
41
57
52
45
40
30

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
2
2
3
2
1
0
1
1
2
8
15
25
24
27
26
21

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
4
4
4
3
2
1
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
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)

15
13
12
10
9
10
9
9
9
9
10
10
10
11
11
10
9
9
7
7
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
57
57
57
56
56
57
57
56
58
59
60
59
59
59
63
69
73
78
83
86
89
89
91

Pressure (mb)

1031
1031
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1031
1030
1030
1029
1028
1027
1026
1025
1025
1024
1023
1022

Ozone (du)

301
299
297
296
294
293
292
292
292
293
294
295
294
293
292
290
288
286
287
288
289
288
287
286

Sunday 28

Waxing Gibbous 72%

11:52

02:17

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

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)

19
11
28
51
70
54
41
32
25
19
12
30
47
65
62
59
57
48
39
30

Low Clouds (% Sky Obscured)

16
11
28
47
65
46
36
29
24
18
11
22
31
28
20
18
14
9
5
0

Medium Clouds (% Sky Obscured)

2
1
1
0
0
1
1
1
0
0
0
3
9
25
25
24
26
20
15
9

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
9
13
22
27

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
2
0
0
0
0
0
0
0
4
5
6
9
11
12
9
6
0

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)

6
6
6
5
5
6
6
5
5
5
4
4
4
4
4
4
4
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
96
93
91
86
88
89
93
93
93
93
93
91
89
89
89
91
86
82

Pressure (mb)

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

Ozone (du)

283
280
278
276
273
271
270
270
269
271
273
275
276
277
278
283
288
293
293
294

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

Generated: 22/12/25 23:37:35. Forecast: 22/12/25 to 28/12/25. Timezone: UTC+1.00