Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

First Quarter 49%

11:35

No Set

00 Good
01 Good
02 Good
03 Good
04 OK
05 Good
06 Good
07 Good
08 Good
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
23 Good

Sun - Rise: 08:00, Set: 16:16, Transit: 12:08. Moon - Rise: 11:35, Set: No Set. Civil Dark: 16:53 - 07:23. Nautical Dark: 17:33 - 06:42. Astro Dark: 18:12 - 06:04

Total Clouds (% Sky Obscured)

16
13
10
8
21
16
1
5
16
0
0
0
0
1
0
0
0
0
0
2
7
4
1
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
16
0
0
0
0
0
0
0
0
0
0
0
7
4
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
0
0
0
16
13
1
2
2
0
0
0
0
1
0
0
0
0
0
2
2
3
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)

6
6
6
6
6
6
6
5
4
3
3
1
2
3
3
3
4
2
1
3
2
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-13
-12
-11
-10
-10
-8
-6
-5
-6
-4
-3
-2
-2
-2
-2
-1
-1
-2
-2
-3
-3
-4
-3

Relative Humidity (%)

48
44
43
46
48
52
59
67
72
70
64
60
57
58
63
72
81
84
83
81
80
78
81
84

Pressure (mb)

1032
1031
1031
1031
1031
1030
1030
1030
1030
1030
1029
1029
1028
1027
1027
1027
1028
1028
1027
1028
1028
1028
1028
1029

Ozone (du)

288
286
288
288
287
285
284
285
286
286
287
287
287
286
285
285
285
287
289
293
293
294
294
293

Sunday 28

Waxing Gibbous 61%

11:50

00:34

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 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 08:00, Set: 16:16, Transit: 12:08. Moon - Rise: 11:50, Set: 00:34. Civil Dark: 16:54 - 07:23. Nautical Dark: 17:34 - 06:43. Astro Dark: 18:13 - 06:04

Total Clouds (% Sky Obscured)

0
8
4
3
3
3
3
3
2
0
0
0
0
0
1
1
2
4
2
2
1
0
0
1

Low Clouds (% Sky Obscured)

0
8
4
0
1
1
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
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
4
2
2
1
0
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
11
23
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
5
4
5
5
5
5
4
4
4
4
3
2
2
3
4
4
4
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-3
-3
-4
-4
-6
-6
-7
-8
-10
-12
-14
-15
-15
-13
-12
-14
-16
-18
-21
-22
-23
-23

Relative Humidity (%)

87
89
92
94
94
92
84
82
81
76
55
40
32
29
29
37
44
44
40
32
26
23
21
21

Pressure (mb)

1029
1029
1029
1029
1030
1030
1030
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028

Ozone (du)

294
295
296
297
297
298
298
298
298
298
297
297
297
297
297
298
297
296
296
296
298
297
295
292

Monday 29

Waxing Gibbous 72%

12:08

01:54

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 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 OK

Sun - Rise: 08:00, Set: 16:17, Transit: 12:09. Moon - Rise: 12:08, Set: 01:54. Civil Dark: 16:54 - 07:23. Nautical Dark: 17:35 - 06:43. Astro Dark: 18:13 - 06:04

Total Clouds (% Sky Obscured)

1
1
1
2
2
3
2
2
4
2
3
4
3
3
3
5
3
0
0
0
0
0
12
23

Low 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
12
23

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-24
-23
-23
-22
-21
-18
-18
-18
-18
-18
-17
-17
-16
-15
-14
-12
-12
-14
-15
-15
-17
-17
-17
-15

Relative Humidity (%)

21
21
20
21
22
24
26
27
28
28
27
25
25
26
29
38
42
42
39
38
36
37
39
41

Pressure (mb)

1027
1026
1026
1025
1024
1023
1023
1023
1023
1024
1023
1023
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022

Ozone (du)

289
286
281
278
278
280
282
285
286
288
289
289
289
287
287
290
293
291
295
296
299
301
301
300

Tuesday 30

Waxing Gibbous 82%

12:31

03:20

00 OK
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
23 Bad

Sun - Rise: 08:01, Set: 16:18, Transit: 12:09. Moon - Rise: 12:31, Set: 03:20. Civil Dark: 16:55 - 07:23. Nautical Dark: 17:36 - 06:43. Astro Dark: 18:14 - 06:04

Total Clouds (% Sky Obscured)

39
48
95
100
97
95
93
94
94
96
96
98
99
95
90
86
90
95
98
93
87
84
88
93

Low Clouds (% Sky Obscured)

39
48
90
100
95
89
84
88
91
94
95
97
99
93
88
82
88
93
98
92
85
79
84
89

Medium Clouds (% Sky Obscured)

0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
25
40
55

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
26
2
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
16
25
30
26
24
17
20
26
25
27
23
19
15
23
14
16
21
26
19
12
4
6
15

Precipitation Amount (mm)

0
0
0
0.1
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
5
5
5
4
4
4
3
3
4
6
7
7
6
6
5
5
5
5
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-15
-14
-12
-7
-6
-5
-6
-5
-5
-5
-5
-6
-7
-7
-7
-6
-6
-5
-5
-5
-6
-6
-6
-6

Relative Humidity (%)

43
46
54
75
81
82
81
82
84
86
81
70
63
63
68
72
75
84
89
89
89
87
89
85

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1023
1023
1023
1024
1024
1024
1024
1024
1025
1025
1024

Ozone (du)

298
301
304
310
308
310
311
307
299
291
290
286
287
291
290
292
297
300
302
304
315
323
328
333

Wednesday 31

Waxing Gibbous 90%

13:02

04:48

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
23 Bad

Sun - Rise: 08:01, Set: 16:19, Transit: 12:10. Moon - Rise: 13:02, Set: 04:48. Civil Dark: 16:56 - 07:24. Nautical Dark: 17:37 - 06:43. Astro Dark: 18:15 - 06:05

Total Clouds (% Sky Obscured)

97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

94
96
98
100
100
100
100
100
100
100
100
100
100
99
99
98
97
96
95
97
98
100
97
94

Medium Clouds (% Sky Obscured)

57
67
78
66
71
80
81
100
100
100
93
84
77
69
60
50
25
45
55
76
74
69
59
51

High Clouds (% Sky Obscured)

0
30
22
2
24
16
24
35
35
40
9
2
40
40
40
40
27
17
2
2
1
0
0
0

ISS Passover

Visibility (miles)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

11
24
33
36
39
48
60
78
95
95
93
95
95
95
95
95
89
86
89
88
91
95
86
79

Precipitation Amount (mm)

0
0
0.1
0.2
0.2
0.3
0.4
0.6
1
1.1
0.8
0.8
0.9
1.2
1
0.9
0.7
0.7
0.8
0.7
0.7
0.8
0.6
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
89
90
90
90
92
92
92
92
91
94
92
94
94
96
96
96
94
96
94
94
91
92

Pressure (mb)

1024
1023
1023
1022
1021
1020
1020
1019
1018
1018
1018
1017
1016
1015
1015
1015
1014
1014
1014
1014
1015
1015
1016
1016

Ozone (du)

337
338
343
350
351
350
353
359
354
353
358
362
365
366
370
374
378
385
392
398
401
404
406
409

Thursday 1

Waxing Gibbous 96%

13:46

06:15

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
23 Bad

Sun - Rise: 08:00, Set: 16:20, Transit: 12:10. Moon - Rise: 13:46, Set: 06:15. Civil Dark: 16:57 - 07:24. Nautical Dark: 17:37 - 06:43. Astro Dark: 18:16 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
100
98
97
95
92
89
88
91
96
97
98
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
90
90
89
89
89
88
89
89
88
91
96
97
98
97
91
92
94
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

42
53
57
70
69
68
70
58
45
34
35
32
29
47
69
92
92
92
90
92
94
97
96
96

High Clouds (% Sky Obscured)

0
0
0
1
19
36
54
53
53
49
35
17
0
1
2
4
7
15
21
45
62
81
74
65

ISS Passover

Visibility (miles)

0
0
0
1
1
1
0
0
0
1
1
4
7
9
6
4
1
1
0
0
0
0
0
0

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

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

74
73
73
71
65
63
65
59
55
53
48
44
43
42
44
49
50
56
63
62
65
70
82
94

Precipitation Amount (mm)

0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.4
0.3
0.2
0.2
0.2
0.2
0.3
0.3
0.3
0.5
0.4
0.4
0.4
0.5
0.7

Wind Speed/Direction (mph)

7
6
7
8
9
8
7
6
6
6
6
7
8
10
10
9
9
9
8
8
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-9
-10
-10
-10
-10
-10
-10
-12
-11
-11
-12
-12
-11
-10
-10
-10
-11
-11
-11
-10
-10
-9
-9

Dew Point (°C)

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

Relative Humidity (%)

92
92
90
89
87
89
89
92
92
90
90
83
80
76
77
80
85
87
89
92
92
92
92
94

Pressure (mb)

1016
1016
1017
1018
1018
1019
1019
1020
1020
1020
1021
1020
1020
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1016

Ozone (du)

412
414
414
413
412
414
416
419
416
413
411
410
409
409
408
407
407
405
402
400
398
397
395
394

Friday 2

Waxing Gibbous 100%

14:49

07:32

Sun - Rise: 08:00, Set: 16:21, Transit: 12:11. Moon - Rise: 14:49, Set: 07:32. Civil Dark: 16:58 - 07:23. Nautical Dark: 17:38 - 06:43. Astro Dark: 18:17 - 06:05

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Zwiesel, Lower Bavaria, Germany (49.02,13.24)

Generated: 27/12/25 00:18:07. Forecast: 27/12/25 to 02/01/26. Timezone: UTC+1.00