Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 2%

09:49

17:24

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

Sun - Rise: 08:15, Set: 16:30, Transit: 12:23. Moon - Rise: 09:49, Set: 17:24. Civil Dark: 17:07 - 07:38. Nautical Dark: 17:48 - 06:58. Astro Dark: 18:26 - 06:19

Total Clouds (% Sky Obscured)

100
96
79
44
11
10
33
25
42
42
45
26
30
10
38
55
52
9
16
41
65
83
64
92

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)

39
24
14
5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
19
67
34
69

High Clouds (% Sky Obscured)

72
60
35
34
6
9
25
19
26
29
33
14
17
4
16
35
33
3
10
31
30
30
33
67

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 (%)

1
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
74
70
67
65
66
71
79
83
84
84
86
86
87
86
86
86
84
86
86
86
86
84
84

Pressure (mb)

1014
1014
1013
1012
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1010
1010

Ozone (du)

279
281
281
281
281
281
275
274
274
275
276
279
282
283
285
285
289
291
292
294
298
302
307
309

Monday 22

Waxing Crescent 6%

10:22

18:36

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: 08:16, Set: 16:31, Transit: 12:23. Moon - Rise: 10:22, Set: 18:36. Civil Dark: 17:08 - 07:39. Nautical Dark: 17:48 - 06:58. Astro Dark: 18:27 - 06:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
87
83
86
85
84
83
94
97
89
89
87
96
98
98
96
96
98

Low Clouds (% Sky Obscured)

0
0
0
12
17
27
34
34
33
26
34
37
37
34
32
31
34
40
47
50
49
43
45
47

Medium Clouds (% Sky Obscured)

80
81
82
80
67
62
51
40
35
42
39
33
43
46
44
42
40
28
43
88
87
64
65
61

High Clouds (% Sky Obscured)

100
100
100
100
100
100
95
55
39
41
39
29
33
64
75
57
44
28
29
35
40
40
45
60

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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
2
42
56
72
74
74
83
90
95
100
92
73

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
80
75
73
70
72
80
81
84
83
84
84
86
84
84
86
86
86
86
87
86
87
89
89

Pressure (mb)

1010
1010
1010
1010
1009
1009
1009
1010
1010
1010
1010
1010
1010
1011
1010
1010
1010
1011
1011
1010
1011
1011
1011
1012

Ozone (du)

312
320
331
339
337
335
334
336
339
345
358
368
372
373
374
376
376
377
379
379
382
382
383
384

Tuesday 23

Waxing Crescent 12%

10:47

19:50

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: 08:16, Set: 16:31, Transit: 12:24. Moon - Rise: 10:47, Set: 19:50. Civil Dark: 17:08 - 07:39. Nautical Dark: 17:49 - 06:59. Astro Dark: 18:27 - 06:20

Total Clouds (% Sky Obscured)

98
96
96
97
94
65
74
85
57
40
44
51
59
61
68
71
88
92
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

47
45
41
42
45
42
41
43
45
40
44
51
59
61
68
71
87
91
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

61
22
10
3
3
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

60
60
65
65
57
25
36
39
14
3
2
0
1
2
2
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
1
0
0
0
6
9
9
9
9
1
0

Fog (%)

44
21
6
1
1
1
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
3
1
3
5
6
8
10
8
9
12
11
12

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
80
78
77
77
78
89
93
93
94
96
98
98
96
96
96
96
93
88
88
87
94
96

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019

Ozone (du)

384
382
381
380
379
379
378
375
372
373
374
371
369
366
364
363
365
365
366
369
371
369
368
366

Wednesday 24

Waxing Crescent 19%

11:07

21:05

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: 08:17, Set: 16:32, Transit: 12:24. Moon - Rise: 11:07, Set: 21:05. Civil Dark: 17:09 - 07:39. Nautical Dark: 17:49 - 06:59. Astro Dark: 18:28 - 06:21

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
99
97
95
93
92
90
89
89
90
91
91
91
94
97
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
9
17
26
39
48
49
47
54
55
62
68
75
58
40
23
19
18
48
55
32
38
79
54

High Clouds (% Sky Obscured)

0
0
0
1
3
0
0
23
46
69
76
83
90
67
43
20
13
6
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
1
6
9
9
9
9
9
9
9
9
3
3
8
1
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
None
None
None
None
Snow
Snow
None
Snow
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
None

Precipitation Probability (%)

13
19
26
24
26
31
36
35
28
33
30
28
23
26
25
24
20
26
30
46
51
46
38
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
11
12
12
12
13
13
13
13
14
13
12
12
12
13
12
12
12
11
11
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
91
84
80
75
78
75
75
75
78
79
79
78
81
86
84
84
82
89
91
92
92
91

Pressure (mb)

1020
1021
1021
1021
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1024
1024
1024
1024
1023
1023
1023
1023
1023

Ozone (du)

369
371
375
378
381
385
384
381
381
389
398
406
412
412
409
405
402
400
397
397
394
391
385
378

Thursday 25

Waxing Crescent 28%

11:24

22:19

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 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:17, Set: 16:33, Transit: 12:25. Moon - Rise: 11:24, Set: 22:19. Civil Dark: 17:10 - 07:40. Nautical Dark: 17:50 - 06:59. Astro Dark: 18:28 - 06:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
92
90
87
71
59
37
39
40
39
44
48
51
63
75
88
92
95

Low Clouds (% Sky Obscured)

100
100
100
100
99
99
98
92
90
87
71
59
37
39
40
39
44
48
51
63
74
88
91
95

Medium Clouds (% Sky Obscured)

24
32
28
27
21
23
23
15
5
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
2
0
1
1
2
17
26
35
0
0
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

0
1
8
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
5
6
7
8
8

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 (%)

18
17
8
5
4
3
0
2
1
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)

11
11
11
11
10
10
8
8
6
4
3
3
3
2
1
1
1
2
2
3
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
86
75
74
72
72
74
77
81
86
91
92
94
96
96
96
96
96
98
96
94
92
91
89

Pressure (mb)

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

Ozone (du)

374
371
369
366
363
363
363
360
357
357
358
357
357
357
357
357
357
357
356
356
357
358
359
360

Friday 26

Waxing Crescent 38%

11:39

23:35

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 OK

Sun - Rise: 08:17, Set: 16:33, Transit: 12:25. Moon - Rise: 11:39, Set: 23:35. Civil Dark: 17:10 - 07:40. Nautical Dark: 17:51 - 07:00. Astro Dark: 18:29 - 06:21

Total Clouds (% Sky Obscured)

99
99
99
100
97
95
93
94
93
93
91
82
74
70
71
70
60
62
60
65
65
60
40
20

Low Clouds (% Sky Obscured)

99
99
99
100
97
95
93
94
93
93
91
82
74
70
71
70
60
62
60
65
65
60
40
20

Medium Clouds (% Sky Obscured)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-3
-3
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2

Relative Humidity (%)

89
86
84
83
83
86
88
87
89
89
89
89
89
86
89
89
89
89
89
89
89
91
92
91

Pressure (mb)

1025
1026
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1028
1028
1028
1028
1029
1029
1029
1030

Ozone (du)

360
361
361
362
362
362
361
360
364
367
370
372
375
377
379
380
381
382
382
382
381
379
378
376

Saturday 27

First Quarter 49%

11:53

00:52

09 OK
10 OK
11 OK
12 Good
13 Good
14 OK
15 OK
16 OK
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good

Sun - Rise: 08:17, Set: 16:34, Transit: 12:26. Moon - Rise: 11:53, Set: 00:52. Civil Dark: 17:11 - 07:40. Nautical Dark: 17:51 - 07:00. Astro Dark: 18:30 - 06:21

Total Clouds (% Sky Obscured)

15
10
10
9
9
22
25
19
12
6
4
4
2
2
2
2

Low Clouds (% Sky Obscured)

15
10
10
9
9
22
25
19
12
6
4
4
2
2
2
2

Medium Clouds (% Sky Obscured)

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
1
1
2

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
5
6
7
7
6
5
4
3
3
2
2
2
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
88
86
83
86
88
91
92
91
91
89
86
84
81
79

Pressure (mb)

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

Ozone (du)

374
373
369
366
362
358
354
350
346
343
339
338
336
334
333
333

Forecast for Friolzheim, Karlsruhe Region, Germany (48.84,8.84)

Generated: 21/12/25 08:38:12. Forecast: 21/12/25 to 27/12/25. Timezone: UTC+1.00