Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Crescent 28%

11:26

22:20

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

Sun - Rise: 08:21, Set: 16:31, Transit: 12:26. Moon - Rise: 11:26, Set: 22:20. Civil Dark: 17:09 - 07:43. Nautical Dark: 17:50 - 07:02. Astro Dark: 18:29 - 06:23

Total Clouds (% Sky Obscured)

82
77
75
61
40
46
45
30
35
34
17
11
11
0
0
0
0
0
6
16
23
37
38
38

Low Clouds (% Sky Obscured)

42
42
44
45
40
46
45
30
35
34
17
11
11
0
0
0
0
0
6
16
23
37
38
38

Medium Clouds (% Sky Obscured)

25
38
0
0
1
1
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
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-11
-10
-10
-10
-10
-10
-10
-9
-9
-9
-9
-8
-8
-8
-7
-7
-8
-7
-7
-6
-6
-6
-6

Relative Humidity (%)

52
52
52
52
52
53
53
51
48
46
45
44
46
50
53
56
57
58
61
62
66
67
68
70

Pressure (mb)

1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027

Ozone (du)

385
385
381
377
379
383
384
381
377
375
373
372
371
370
370
369
369
368
367
367
366
365
359
355

Friday 26

Waxing Crescent 38%

11:40

23:36

03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
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 Good
02 Good

Sun - Rise: 08:21, Set: 16:32, Transit: 12:27. Moon - Rise: 11:40, Set: 23:36. Civil Dark: 17:10 - 07:43. Nautical Dark: 17:51 - 07:02. Astro Dark: 18:30 - 06:23

Total Clouds (% Sky Obscured)

35
37
36
37
38
43
42
35
45
40
30
22
5
3
4
17
5
2
5
9
1
0
0
0

Low Clouds (% Sky Obscured)

35
37
36
37
38
43
42
35
36
35
29
18
0
0
0
0
0
0
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
2
0
0
0
0
0
2
4
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
4
3
1
1
1
1
1
9
2
0
0
1
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
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
74
74
74
75
75
71
69
64
61
59
58
63
69
71
73
74
74
72
71
67
63
58

Pressure (mb)

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

Ozone (du)

351
345
338
334
328
326
324
324
324
318
314
311
311
312
311
309
308
308
308
308
307
306
305
305

Saturday 27

First Quarter 49%

11:54

00:54

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 OK
19 Good
20 Good
21 Good
22 Good
23 Good
00 OK
01 OK
02 OK

Sun - Rise: 08:21, Set: 16:33, Transit: 12:27. Moon - Rise: 11:54, Set: 00:54. Civil Dark: 17:10 - 07:44. Nautical Dark: 17:51 - 07:03. Astro Dark: 18:30 - 06:24

Total Clouds (% Sky Obscured)

0
0
0
0
0
1
2
0
0
8
0
0
0
0
2
19
3
1
0
0
0
22
35
30

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
12
20
20

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
1
2
0
0
7
0
0
0
0
2
16
2
1
0
0
0
0
2
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
4
4
3
3
3
3
2
3
3
4
3
3
3
4
3
3
4
4
4
4
5
4
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
48
45
44
43
43
45
44
44
43
44
45
47
52
57
59
61
64
67
70
72
80
84
78

Pressure (mb)

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

Ozone (du)

304
303
303
303
302
301
300
299
298
298
298
298
298
297
298
301
300
300
299
299
299
300
298
298

Sunday 28

Waxing Gibbous 61%

12:09

02:16

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

Sun - Rise: 08:22, Set: 16:33, Transit: 12:27. Moon - Rise: 12:09, Set: 02:16. Civil Dark: 17:11 - 07:44. Nautical Dark: 17:52 - 07:03. Astro Dark: 18:31 - 06:24

Total Clouds (% Sky Obscured)

30
2
2
2
14
27
35
28
24
24
17
10
0
1
1
0
0
0
2
2
2
2
2
3

Low Clouds (% Sky Obscured)

20
1
1
1
14
27
35
28
24
24
17
10
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
1
1
1
1
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
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
3
3
3
3
3
4
3
3
4
5
5
4
4
3
3
4
3
3
3
3
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-4
-3
-3
-3
-3
-4
-6
-10
-11
-11
-11
-9
-8
-8
-8
-9
-9
-9
-10
-10
-10
-11

Relative Humidity (%)

71
72
80
83
83
84
83
75
57
39
34
34
36
42
48
50
53
53
53
53
52
51
51
50

Pressure (mb)

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

Ozone (du)

294
289
292
295
297
299
298
297
295
293
292
291
289
287
288
289
291
291
293
295
293
290
288
288

Monday 29

Waxing Gibbous 72%

12:26

No Set

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

Sun - Rise: 08:22, Set: 16:34, Transit: 12:28. Moon - Rise: 12:26, Set: No Set. Civil Dark: 17:12 - 07:44. Nautical Dark: 17:53 - 07:03. Astro Dark: 18:32 - 06:24

Total Clouds (% Sky Obscured)

0
0
1
2
2
2
2
2
2
2
17
34
49
47
48
62
67
78
88
88
87
87
79
72

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
17
34
49
47
48
62
67
77
84
87
87
87
79
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)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-12
-12
-12
-12
-12
-12
-13
-13
-11
-9
-7
-5
-4
-2
-2
-1
-2
-2
-2
-2
-2
-2
-1

Relative Humidity (%)

49
48
48
47
47
47
45
41
39
41
44
52
59
68
77
83
86
83
81
80
80
81
83
86

Pressure (mb)

1028
1028
1028
1027
1027
1028
1028
1028
1028
1027
1027
1027
1026
1027
1027
1027
1027
1026
1026
1026
1026
1026
1025
1025

Ozone (du)

290
288
287
289
291
292
291
290
289
288
288
289
289
290
291
293
297
296
295
295
295
295
295
294

Tuesday 30

Waxing Gibbous 82%

12:48

03:42

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 OK
19 OK
20 OK
21 Good
22 Good
23 Good
00 Good
01 OK
02 OK

Sun - Rise: 08:22, Set: 16:35, Transit: 12:28. Moon - Rise: 12:48, Set: 03:42. Civil Dark: 17:13 - 07:44. Nautical Dark: 17:54 - 07:03. Astro Dark: 18:33 - 06:24

Total Clouds (% Sky Obscured)

64
59
58
58
61
65
68
64
59
55
58
54
58
52
49
39
32
22
13
13
13
13
25
37

Low Clouds (% Sky Obscured)

64
58
55
57
58
59
60
55
53
48
52
51
49
44
36
27
21
16
11
11
12
12
16
20

Medium Clouds (% Sky Obscured)

0
0
0
0
1
4
9
12
13
11
5
2
1
0
0
0
0
0
0
0
0
0
2
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
3
3
5
6
8
7
4
2
1
1
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
5
6
5
5
4
1
8
9
4
18
21
15
11
5
1
1
1
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
5
4
3
3
2
2
1
2
2
3
3
3
4
3
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
88
83
81
80
78
77
72
68
64
66
65
67
69
72
73
74
74
74
75
75
77
78

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1026
1026
1026
1026

Ozone (du)

293
293
291
289
287
286
286
285
286
287
288
289
291
292
302
313
323
325
328
331
331
330
330
329

Wednesday 31

Waxing Gibbous 91%

13:19

05:11

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
00 Bad

Sun - Rise: 08:22, Set: 16:36, Transit: 12:29. Moon - Rise: 13:19, Set: 05:11. Civil Dark: 17:14 - 07:44. Nautical Dark: 17:55 - 07:03. Astro Dark: 18:33 - 06:24

Total Clouds (% Sky Obscured)

49
65
81
97
94
91
89
92
95
99
94
90
86
89
89
88
90
90
92
87
80
76

Low Clouds (% Sky Obscured)

23
39
54
69
73
78
87
84
81
79
68
62
60
62
61
61
76
82
91
87
80
76

Medium Clouds (% Sky Obscured)

9
17
28
35
32
40
43
56
66
82
74
59
51
51
44
31
31
36
41
36
16
10

High Clouds (% Sky Obscured)

0
11
23
36
26
13
0
1
2
3
5
18
22
18
12
4
14
21
28
21
11
6

ISS Passover

Visibility (miles)

9
9
7
4
1
4
7
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

Precipitation Type

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

Precipitation Probability (%)

0
7
11
14
24
27
28
26
27
21
24
26
28
25
23
20
19
20
21
37
55
74

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-1
-1
-1
0
1
1
1
1
1
1
1
0
0
0
0
0
0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
83
84
86
86
87
87
83
78
76
73
71
69
70
73
74
75
75
77
77
77

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1026
1025
1025
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1021
1020

Ozone (du)

327
326
329
331
333
338
343
347
351
354
358
356
354
352
353
355
356
361
366
370
364
358

Forecast for Mannheim, Karlsruhe Region, Germany (49.49,8.47)

Generated: 25/12/25 03:33:19. Forecast: 25/12/25 to 31/12/25. Timezone: UTC+1.00