Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Crescent 38%

11:39

22:17

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

Sun - Rise: 08:23, Set: 16:26, Transit: 12:24. Moon - Rise: 11:39, Set: 22:17. Civil Dark: 17:05 - 07:44. Nautical Dark: 17:47 - 07:02. Astro Dark: 18:26 - 06:23

Total Clouds (% Sky Obscured)

30
32
31
33
37
37
36
37
35
37
29
26
26
19
4
4
4
4
3
23
4
1
1
0

Low Clouds (% Sky Obscured)

30
32
31
33
37
37
36
37
35
37
29
26
26
16
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
1
3
3
3
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
6
5
9
6
15
4
4
4
4
3
23
4
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)

9
7
6
5
5
5
5
4
4
4
5
5
3
5
5
5
4
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-10
-9
-8
-7
-7
-6
-6
-6
-6
-6
-6
-7
-6
-6
-5
-4
-4
-4
-4
-5
-6
-6
-7

Relative Humidity (%)

61
61
64
65
67
68
70
71
72
74
74
74
66
60
55
53
55
60
66
69
67
66
65
61

Pressure (mb)

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

Ozone (du)

351
348
344
337
333
330
327
326
324
321
318
315
312
310
308
308
307
306
305
305
305
304
303
302

Friday 26

Waxing Crescent 49%

11:52

23:34

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

Sun - Rise: 08:23, Set: 16:27, Transit: 12:25. Moon - Rise: 11:52, Set: 23:34. Civil Dark: 17:06 - 07:44. Nautical Dark: 17:47 - 07:03. Astro Dark: 18:27 - 06:23

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
8
5
12
51
0
0
0
0
0
2
0
3
1

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
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
7
4
11
42
0
0
0
0
0
2
0
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
56
52
50
49
48
49
50
50
51
52
52
50
47
46
47
50
58
64
70
71
77
80
83

Pressure (mb)

1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1032
1032
1032
1032
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

301
301
301
302
301
300
299
299
298
298
298
298
298
296
296
296
297
298
298
297
299
299
298
297

Saturday 27

First Quarter 61%

12:06

00:53

22 OK
23 Bad
00 OK
01 Bad
02 Bad
03 Bad
04 OK
05 OK
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

Sun - Rise: 08:23, Set: 16:28, Transit: 12:25. Moon - Rise: 12:06, Set: 00:53. Civil Dark: 17:06 - 07:44. Nautical Dark: 17:48 - 07:03. Astro Dark: 18:28 - 06:23

Total Clouds (% Sky Obscured)

39
40
27
45
78
51
41
36
25
14
10
16
16
8
0
1
3
4
3
1
1
2
2
2

Low Clouds (% Sky Obscured)

39
40
27
45
65
48
41
36
25
14
10
16
16
8
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)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
91
92
89
80
86
89
89
89
87
83
71
58
51
47
49
54
58
62
65
65
64
62

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1031
1031
1032
1032
1032
1033
1033
1032
1032
1031
1031
1031
1031
1031
1030
1030
1030

Ozone (du)

297
295
297
296
295
296
297
299
300
299
299
297
296
296
296
296
294
292
292
294
294
292
290
289

Sunday 28

Waxing Gibbous 72%

12:22

02:15

22 Good
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 OK
21 Bad

Sun - Rise: 08:23, Set: 16:29, Transit: 12:26. Moon - Rise: 12:22, Set: 02:15. Civil Dark: 17:07 - 07:45. Nautical Dark: 17:49 - 07:03. Astro Dark: 18:28 - 06:23

Total Clouds (% Sky Obscured)

1
1
1
1
2
6
1
1
1
2
1
1
0
0
0
0
0
0
0
0
0
20
45
74

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
20
45
72

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
1
2
6
1
1
1
2
1
1
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
3
3
2
2
1
1
1
1
1
2
2
2
2
2
1
1
2
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-10
-10
-11
-11
-12
-12
-13
-13
-13
-13
-13
-14
-13
-12
-12
-10
-11
-11
-11
-11
-9
-6

Relative Humidity (%)

59
59
57
56
54
52
50
49
47
46
46
45
41
36
35
34
35
41
44
44
45
48
58
74

Pressure (mb)

1030
1029
1029
1029
1028
1028
1027
1027
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1023
1023
1023
1024
1024
1024

Ozone (du)

286
284
284
285
285
285
286
286
289
289
288
288
288
287
287
286
287
289
289
293
296
300
298
293

Monday 29

Waxing Gibbous 82%

12:43

03:42

22 Bad
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

Sun - Rise: 08:23, Set: 16:30, Transit: 12:26. Moon - Rise: 12:43, Set: 03:42. Civil Dark: 17:08 - 07:45. Nautical Dark: 17:50 - 07:03. Astro Dark: 18:29 - 06:23

Total Clouds (% Sky Obscured)

77
79
83
75
63
59
62
66
70
66
63
59
56
54
53
55
60
64
70
77
83
80
78
75

Low Clouds (% Sky Obscured)

74
78
82
73
63
58
62
66
70
66
63
59
56
54
51
53
55
58
62
67
72
76
78
75

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
10
13
12
14

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
80
80
78
80
87
89
89
89
87
81
77
70
69
65
62
62
62
63
69
74
81
84
86

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1024
1024

Ozone (du)

292
291
292
291
292
294
291
288
286
285
283
281
282
292
297
296
299
301
304
307
310
313
321
329

Tuesday 30

Waxing Gibbous 91%

13:13

05:13

22 Bad
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

Sun - Rise: 08:23, Set: 16:31, Transit: 12:27. Moon - Rise: 13:13, Set: 05:13. Civil Dark: 17:09 - 07:45. Nautical Dark: 17:51 - 07:03. Astro Dark: 18:30 - 06:24

Total Clouds (% Sky Obscured)

81
86
95
92
89
86
91
94
100
96
90
83
80
79
78
86
92
99
99
100
100
98
96
94

Low Clouds (% Sky Obscured)

81
86
91
86
81
77
83
89
95
95
90
83
80
77
66
59
53
46
53
49
40
23
17
24

Medium Clouds (% Sky Obscured)

9
5
4
2
3
2
5
7
10
13
11
10
14
14
12
39
65
91
90
91
92
83
70
51

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
1
4
6
12
9
9
15
35
35
35
46
52
60

ISS Passover

Visibility (miles)

9
9
9
9
8
7
7
4
2
0
3
6
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
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
Snow
None
None
None

Precipitation Probability (%)

12
14
16
18
17
16
32
41
48
50
48
43
35
27
18
15
11
7
20
28
32
31
30
29

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
4
5
5
7
9
10
9
9
9
8
6
5
6
7
7
6
4
3
2
2
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
91
91
91
89
87
91
94
96
92
86
83
73
65
57
58
58
60
60
62
62
63
67

Pressure (mb)

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

Ozone (du)

338
340
341
343
341
338
335
335
334
334
333
332
331
331
331
331
334
336
338
343
347
352
353
354

Wednesday 31

Waxing Gibbous 88%

13:56

06:41

22 Bad
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: 08:23, Set: 16:32, Transit: 12:27. Moon - Rise: 13:56, Set: 06:41. Civil Dark: 17:10 - 07:45. Nautical Dark: 17:51 - 07:03. Astro Dark: 18:31 - 06:24

Total Clouds (% Sky Obscured)

96
97
99
99
99
99
99
99
99
99
99
100
100
100
100
99
98
98
96
93
89

Low Clouds (% Sky Obscured)

47
69
90
85
82
79
82
83
85
86
88
89
85
78
68
75
81
91
76
65
48

Medium Clouds (% Sky Obscured)

67
83
98
98
98
98
98
98
97
98
98
99
99
100
100
98
95
93
85
76
66

High Clouds (% Sky Obscured)

45
31
15
23
33
39
34
22
13
12
11
9
38
66
95
99
98
98
96
93
80

ISS Passover

Visibility (miles)

9
9
9
9
6
3
0
3
6
9
7
5
3
4
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

Precipitation Type

None
None
None
None
None
None
Snow
Snow
Snow
Sleet
Snow
Snow
Snow
Snow
Snow
None
Snow
Snow
Snow
None
None

Precipitation Probability (%)

23
17
7
25
34
41
59
67
69
72
69
56
56
52
45
48
49
49
42
34
26

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
67
66
65
72
83
92
92
89
88
86
84
83
78
74
69
70
71
71
74
76

Pressure (mb)

1016
1015
1014
1013
1012
1011
1011
1010
1009
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1008
1008

Ozone (du)

356
355
353
352
358
365
371
374
378
382
386
389
392
392
392
392
392
391
391
391
392

Forecast for Himbach, Regierungsbezirk Darmstadt, Germany (50.26,8.99)

Generated: 25/12/25 22:43:23. Forecast: 25/12/25 to 31/12/25. Timezone: UTC+1.00