Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Crescent 28%

11:09

21:56

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

Sun - Rise: 08:08, Set: 16:03, Transit: 12:05. Moon - Rise: 11:09, Set: 21:56. Civil Dark: 16:42 - 07:29. Nautical Dark: 17:25 - 06:46. Astro Dark: 18:06 - 06:06

Total Clouds (% Sky Obscured)

76
66
57
19
0
3
23
28
27
23
0
2
10
7
7
24
7
33
45
50
37
13
38
63

Low Clouds (% Sky Obscured)

62
53
51
19
0
3
23
28
27
23
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
1
2
9
35

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
7
7
7
24
7
33
45
50
37
8
36
63

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
43
42
41
41
43
46
52
54
56
57
59
58
59
62
65
66
67
70
71
73
74
76
77

Pressure (mb)

1035
1035
1035
1034
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1032
1032
1032
1033
1033

Ozone (du)

378
372
368
366
363
358
353
344
336
332
327
323
319
318
316
303
301
303
304
305
303
301
301
300

Friday 26

Waxing Crescent 38%

11:21

23:14

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
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 OK
04 OK
05 OK
06 OK
07 OK
08 Bad

Sun - Rise: 08:08, Set: 16:04, Transit: 12:06. Moon - Rise: 11:21, Set: 23:14. Civil Dark: 16:43 - 07:29. Nautical Dark: 17:26 - 06:46. Astro Dark: 18:06 - 06:06

Total Clouds (% Sky Obscured)

60
63
61
92
53
24
0
0
8
0
0
1
0
0
2
1
2
1
19
24
24
29
37
49

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
24
24
29
37
49

Medium Clouds (% Sky Obscured)

2
2
30
32
44
18
0
0
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

60
63
61
92
3
2
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-6
-6
-4
-4
-3
-3
-4
-5
-5
-4
-5
-5
-5
-5
-6
-6
-6
-6
-6
-6
-7
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

73
68
60
54
48
43
44
42
39
37
35
33
32
32
34
37
41
44
48
54
59
62
65
69

Pressure (mb)

1033
1033
1034
1033
1033
1033
1033
1033
1034
1034
1034
1034
1034
1034
1034
1035
1034
1034
1034
1034
1033
1033
1033
1033

Ozone (du)

298
296
293
291
291
291
289
288
290
289
289
287
286
285
285
286
285
285
285
284
284
285
285
284

Saturday 27

First Quarter 49%

11:33

00:34

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

Sun - Rise: 08:09, Set: 16:04, Transit: 12:06. Moon - Rise: 11:33, Set: 00:34. Civil Dark: 16:44 - 07:29. Nautical Dark: 17:27 - 06:46. Astro Dark: 18:07 - 06:06

Total Clouds (% Sky Obscured)

57
61
63
52
16
37
78
70
96
100
100
100
77
100
100
82
61
58
60
58
62
63
64
57

Low Clouds (% Sky Obscured)

57
61
63
52
16
37
78
70
96
100
100
100
77
100
100
82
61
58
60
58
62
62
59
52

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
0
0
0
2
2
2
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
8
7
8
8
5
2
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
74
40
40
40
40
40
40
40
40

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
5
32
21
8
5
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-8
-7
-6
-4
-3
-4
-4
-2
-1
0
-1
-0
-1
-1
-2
-3
-3
-3
-4
-5
-5
-5

Relative Humidity (%)

69
64
62
64
67
71
75
77
80
91
96
96
94
94
96
98
94
92
92
89
84
82
84
82

Pressure (mb)

1033
1032
1032
1030
1029
1028
1029
1028
1028
1028
1028
1028
1029
1029
1030
1030
1031
1031
1031
1032
1032
1032
1032
1033

Ozone (du)

284
282
281
281
283
283
286
287
287
287
287
288
292
292
291
294
295
294
295
296
292
291
300
301

Sunday 28

Waxing Gibbous 61%

11:46

01:58

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

Sun - Rise: 08:09, Set: 16:05, Transit: 12:07. Moon - Rise: 11:46, Set: 01:58. Civil Dark: 16:45 - 07:29. Nautical Dark: 17:27 - 06:47. Astro Dark: 18:08 - 06:06

Total Clouds (% Sky Obscured)

54
48
40
34
28
19
13
10
7
2
2
0
0
0
2
0
25
51
81
79
85
100
100
100

Low Clouds (% Sky Obscured)

46
44
40
34
28
19
13
10
7
1
1
0
0
0
0
0
23
48
71
72
80
100
100
100

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
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 (%)

40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40

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
4
6
8
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
0
0
0
0

Wind Speed/Direction (mph)

5
6
7
8
9
9
8
6
7
7
9
11
12
13
15
16
17
17
18
18
17
16
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-6
-7
-8
-8
-7
-6
-6
-5
-5
-6
-7
-8
-9
-10
-12
-12
-11
-10
-8
-5
-4
-3
-2

Relative Humidity (%)

81
74
66
59
57
61
67
76
82
81
78
72
64
56
48
42
41
44
50
61
71
77
80
86

Pressure (mb)

1033
1033
1033
1033
1032
1032
1032
1031
1031
1031
1030
1029
1028
1027
1026
1025
1024
1024
1023
1023
1023
1022
1022
1022

Ozone (du)

300
299
295
293
291
290
289
286
284
283
282
282
283
283
282
281
281
283
282
283
282
280
281
283

Monday 29

Waxing Gibbous 72%

12:01

03:26

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 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:09, Set: 16:06, Transit: 12:07. Moon - Rise: 12:01, Set: 03:26. Civil Dark: 16:46 - 07:29. Nautical Dark: 17:28 - 06:47. Astro Dark: 18:08 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
80
80
80
73
72
73
70
73
82
85
88
90
87
84

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
57
49
50
55
61
62
70
71
79
73
69
63
67
72

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
8
11
0
0
0
0
0
0
0
1
1
13
28
45
37
33

High Clouds (% Sky Obscured)

0
0
0
1
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
8
8
9
9
8
1
0
0
9
9
8
8
8
8
8
8
8
8
6
4
2
4

Fog (%)

40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40

Precipitation Type

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

Precipitation Probability (%)

24
27
23
25
16
25
31
30
33
36
35
28
18
21
23
23
23
23
19
18
17
13
21
23

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
89
89
91
91
93
96
96
96
89
88
86
84
83
84
84
83
81
80
80
81
83
83

Pressure (mb)

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

Ozone (du)

284
286
288
288
289
290
290
292
295
299
301
297
294
290
285
281
277
280
283
287
297
308
319
321

Tuesday 30

Waxing Gibbous 82%

12:21

04:58

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 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:09, Set: 16:07, Transit: 12:08. Moon - Rise: 12:21, Set: 04:58. Civil Dark: 16:46 - 07:29. Nautical Dark: 17:29 - 06:47. Astro Dark: 18:09 - 06:06

Total Clouds (% Sky Obscured)

83
85
87
89
84
80
76
79
81
83
85
87
92
93
93
93
94
94
95
82
70
58
55
52

Low Clouds (% Sky Obscured)

74
79
83
88
76
67
60
73
80
83
85
87
88
83
82
80
85
87
88
79
64
48
49
50

Medium Clouds (% Sky Obscured)

32
14
6
1
17
29
21
25
21
24
27
31
34
62
63
74
71
69
68
46
23
0
3
6

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)

6
8
9
9
9
9
9
8
6
4
1
1
1
1
1
0
0
3
6
8
9
9
9
9

Fog (%)

40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40

Precipitation Type

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

Precipitation Probability (%)

17
25
31
37
26
20
17
29
37
42
43
44
45
53
60
65
66
68
69
56
40
17
21
23

Precipitation Amount (mm)

0
0
0.1
0.2
0
0
0
0
0
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.3
0.3
0.4
0.2
0.1
0
0
0

Wind Speed/Direction (mph)

13
12
13
14
15
16
16
16
17
18
18
17
16
16
17
18
20
17
14
13
13
13
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
78
74
69
73
74
78
83
87
94
94
94
92
94
92
94
91
89
89
89
89
89
87

Pressure (mb)

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

Ozone (du)

324
326
328
330
332
341
350
360
358
357
355
352
348
345
346
347
349
349
349
350
351
352
352
354

Wednesday 31

Waxing Gibbous 90%

12:49

06:27

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

Sun - Rise: 08:09, Set: 16:08, Transit: 12:08. Moon - Rise: 12:49, Set: 06:27. Civil Dark: 16:47 - 07:29. Nautical Dark: 17:30 - 06:47. Astro Dark: 18:10 - 06:07

Total Clouds (% Sky Obscured)

48
54
60
63
77
90
100
95
90
87
90
94
97
98
99
99

Low Clouds (% Sky Obscured)

47
49
54
59
59
53
40
48
57
65
70
75
79
79
79
78

Medium Clouds (% Sky Obscured)

10
34
60
63
77
90
98
84
73
61
64
61
65
76
92
97

High Clouds (% Sky Obscured)

0
13
24
36
21
12
0
0
0
0
7
14
21
41
58
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3

Fog (%)

40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40

Precipitation Type

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

Precipitation Probability (%)

23
23
22
21
21
20
17
17
16
14
28
36
42
53
62
64

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.2
0.3
0.3

Wind Speed/Direction (mph)

13
12
12
12
12
12
11
11
11
11
10
11
11
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
79
74
68
71
74
76
79
84
87
89
91
91
92
92

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1017
1017
1016
1015
1014

Ozone (du)

356
359
356
354
352
355
357
359
359
359
360
362
364
366
377
387

Forecast for Naundorf, Germany (51.12,13.62)

Generated: 25/12/25 09:05:13. Forecast: 25/12/25 to 31/12/25. Timezone: UTC+1.00