Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Crescent 38%

11:21

No Set

23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 OK
09 OK
10 OK
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: 08:00, Set: 16:15, Transit: 12:07. Moon - Rise: 11:21, Set: No Set. Civil Dark: 16:52 - 07:23. Nautical Dark: 17:33 - 06:42. Astro Dark: 18:11 - 06:04

Total Clouds (% Sky Obscured)

0
0
0
1
3
3
8
11
7
37
27
36
18
17
3
2
0
3
3
2
3
0
0
0

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
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
6
36
18
3
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
3
2
7
11
7
37
23
36
3
12
3
2
0
2
2
0
2
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)

8
7
6
6
5
5
5
5
5
6
6
5
5
5
5
5
5
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
79
79
81
79
81
81
79
78
79
77
70
63
57
56
59
69
80
83
81
77
72
70
65

Pressure (mb)

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

Ozone (du)

344
342
338
330
319
314
314
312
305
302
303
305
305
303
304
304
304
301
298
293
292
292
291
290

Friday 26

Waxing Crescent 49%

11:35

23:16

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

Sun - Rise: 08:00, Set: 16:16, Transit: 12:08. Moon - Rise: 11:35, Set: 23:16. Civil Dark: 16:53 - 07:23. Nautical Dark: 17:33 - 06:42. Astro Dark: 18:12 - 06:04

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
3
17
22
1
1
16

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
3
17
22
0
0
16

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
59
54
53
54
58
62
68
72
78
75
68
63
62
62
67
74
83
84
84
83
80
80
83

Pressure (mb)

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

Ozone (du)

289
288
288
290
289
288
289
289
289
289
289
289
287
286
285
286
288
289
288
288
288
290
289
289

Saturday 27

First Quarter 61%

11:50

00:34

23 Bad
00 Bad
01 Bad
02 Bad
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

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)

40
60
59
47
2
2
2
3
3
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

40
60
59
47
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
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 (%)

0
0
0
0
0
0
2
20
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
4
5
5
5
4
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-3
-3
-3
-3
-4
-4
-5
-6
-6
-9
-11
-13
-13
-13
-11
-11
-11
-13
-14
-16
-17
-18

Relative Humidity (%)

87
87
87
91
92
94
94
92
92
92
85
62
45
36
34
35
44
54
58
53
47
41
37
32

Pressure (mb)

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

Ozone (du)

293
296
299
301
300
299
296
295
293
293
295
295
296
296
295
294
293
292
290
290
288
288
289
289

Sunday 28

Waxing Gibbous 72%

12:08

01:54

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

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)

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

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
0
3

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
2
2
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-19
-19
-20
-20
-20
-19
-20
-20
-20
-20
-19
-18
-17
-16
-15
-13
-11
-11
-12
-13
-14
-14
-14
-14

Relative Humidity (%)

30
28
26
25
24
24
23
23
23
24
24
24
24
25
28
33
40
46
46
44
43
43
44
46

Pressure (mb)

1029
1028
1028
1027
1026
1025
1024
1024
1024
1024
1024
1024
1023
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

290
289
288
286
287
286
284
283
284
284
285
286
288
288
290
290
288
288
290
293
296
300
301
303

Monday 29

Waxing Gibbous 82%

12:31

03:20

23 Good
00 Good
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: 08:01, 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)

6
9
51
79
100
52
99
100
100
100
99
100
99
100
100
99
99
99
98
97
98
98
97
98

Low Clouds (% Sky Obscured)

6
9
39
66
94
52
97
98
99
99
99
100
99
100
99
97
96
90
83
77
76
77
77
85

Medium Clouds (% Sky Obscured)

0
0
30
57
75
50
23
0
0
0
0
0
0
3
6
9
11
12
33
55
64
50
32
28

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
0
2
8
13
19
17
16
14
9
5
0
0

ISS Passover

Visibility (miles)

9
9
9
9
5
9
3
0
0
0
1
1
2
3
3
3
2
1
1
1
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
None
None
None
None
Snow
Snow
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
Snow

Precipitation Probability (%)

0
0
3
6
6
20
33
37
31
30
26
32
40
40
51
45
40
35
31
29
26
25
25
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-14
-14
-13
-10
-7
-6
-5
-5
-4
-4
-4
-4
-4
-5
-5
-5
-4
-4
-4
-4
-4
-4
-4
-5

Relative Humidity (%)

48
52
56
65
76
79
90
92
92
92
92
89
83
77
75
79
83
87
91
92
96
96
96
94

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

305
303
300
296
301
302
300
299
294
287
282
283
286
288
301
306
311
316
320
325
329
332
336
339

Tuesday 30

Waxing Gibbous 90%

13:02

04:48

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: 08:01, 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)

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

Low Clouds (% Sky Obscured)

92
98
98
99
100
100
100
100
100
100
100
95
96
94
95
95
87
77
61
45
44
44
38
39

Medium Clouds (% Sky Obscured)

26
23
21
7
6
5
5
15
24
28
32
40
43
47
48
51
58
72
86
100
100
100
100
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
1
1
2
2
3
8
13
22
16
18
16
26
33
50
50

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
3
6
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

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

Precipitation Probability (%)

43
51
58
68
81
76
75
79
81
89
95
94
87
81
74
69
65
56
44
28
38
49
60
69

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
91
91
90
92
90
92
92
92
91
92
91
82
73
67
72
76
81
82
82
85
82
82
80

Pressure (mb)

1021
1020
1020
1019
1018
1018
1017
1017
1016
1016
1016
1017
1017
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1015

Ozone (du)

344
348
353
351
350
348
347
346
345
346
346
346
345
345
345
343
341
339
342
345
348
351
354
356

Wednesday 31

Waxing Gibbous 96%

13:46

06:15

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: 08:00, 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
100
100
100
100
100
100
100
100
100
99
99
99
99
100
100
100

Low Clouds (% Sky Obscured)

36
23
40
60
83
89
94
100
98
97
96
96
96
96
97
98
99
98
98
97

Medium Clouds (% Sky Obscured)

91
86
91
94
93
90
89
90
85
81
77
80
84
88
81
75
69
75
85
100

High Clouds (% Sky Obscured)

45
40
43
30
32
29
30
32
31
31
50
55
51
41
25
17
25
50
75
100

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

75
80
66
52
35
42
51
61
63
69
77
80
87
95
91
91
95
82
72
66

Precipitation Amount (mm)

0.5
0.6
0.4
0.2
0
0.1
0.2
0.4
0.4
0.5
0.7
0.6
0.7
1
0.8
0.8
0.9
0.6
0.5
0.5

Wind Speed/Direction (mph)

5
5
6
5
5
5
6
7
8
7
7
7
8
11
14
12
11
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
85
89
89
92
90
90
89
90
92
92
94
94
96
96
96
96
94
91

Pressure (mb)

1015
1014
1014
1013
1013
1012
1012
1011
1010
1010
1009
1009
1008
1007
1006
1006
1006
1005
1006
1006

Ozone (du)

358
360
362
361
359
357
362
367
372
376
381
385
387
389
390
390
391
391
395
398

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

Generated: 25/12/25 23:52:43. Forecast: 25/12/25 to 31/12/25. Timezone: UTC+1.00