Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Crescent 38%

11:39

No Set

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 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 Bad
20 OK
21 OK
22 OK

Sun - Rise: 08:17, Set: 16:33, Transit: 12:25. Moon - Rise: 11:39, Set: No Set. Civil Dark: 17:10 - 07:40. Nautical Dark: 17:51 - 06:59. Astro Dark: 18:29 - 06:21

Total Clouds (% Sky Obscured)

55
54
53
54
61
57
52
50
49
51
54
58
55
52
48
44
38
30
26
22
67
34
27
24

Low Clouds (% Sky Obscured)

38
42
43
44
48
48
43
45
40
40
40
41
40
37
29
26
20
18
17
18
23
25
22
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
7
3
4
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
1
3
2
4
11
11
4
5
2
2
29
5
1
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
87
89
89
89
89
91
91
91
89
81
74
69
66
68
71
81
86
87
87
87
87
87

Pressure (mb)

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

Ozone (du)

375
370
364
362
356
354
350
344
340
342
337
331
328
328
325
322
318
314
310
306
305
305
306
306

Friday 26

Waxing Crescent 49%

11:53

23:35

23 OK
00 OK
01 OK
02 OK
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: 08:17, Set: 16:34, Transit: 12:26. Moon - Rise: 11:53, Set: 23:35. Civil Dark: 17:11 - 07:40. Nautical Dark: 17:51 - 07:00. Astro Dark: 18:30 - 06:21

Total Clouds (% Sky Obscured)

19
19
15
12
3
3
3
3
3
3
3
2
1
0
4
4
3
0
0
0
0
0
1
0

Low Clouds (% Sky Obscured)

19
18
15
12
3
2
3
2
2
2
2
1
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
1
0
1
0
1
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
91
91
89
87
87
87
86
86
84
75
66
62
60
61
67
70
73
71
70
70
70
70

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1030
1030
1029
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

307
307
307
309
308
307
307
305
304
303
302
302
301
301
300
299
298
298
300
300
300
302
302
303

Saturday 27

First Quarter 61%

12:08

00:52

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

Sun - Rise: 08:17, Set: 16:35, Transit: 12:26. Moon - Rise: 12:08, Set: 00:52. Civil Dark: 17:12 - 07:40. Nautical Dark: 17:52 - 07:00. Astro Dark: 18:31 - 06:21

Total Clouds (% Sky Obscured)

0
3
3
0
0
0
1
2
3
2
22
27
29
29
21
19
20
22
21
15
8
7
3
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
3
2
22
27
29
29
21
19
20
20
16
10
6
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
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
3
1
3
2
2

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
2
59
28
11
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
71
71
74
75
77
80
83
84
87
87
82
75
70
66
64
66
70
75
77
75
72
71
69

Pressure (mb)

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

Ozone (du)

303
302
301
301
300
299
299
300
301
301
302
301
302
302
302
302
302
301
300
299
299
300
301
300

Sunday 28

Waxing Gibbous 72%

12:26

02:13

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: 08:17, Set: 16:36, Transit: 12:26. Moon - Rise: 12:26, Set: 02:13. Civil Dark: 17:13 - 07:40. Nautical Dark: 17:53 - 07:00. Astro Dark: 18:31 - 06:22

Total Clouds (% Sky Obscured)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-9
-9
-9
-10
-11
-11
-12
-12
-12
-14
-14
-13
-11
-9
-7
-6
-7
-8
-9
-10
-11
-12

Relative Humidity (%)

69
68
66
65
63
60
58
56
54
53
51
45
41
39
40
46
54
60
62
61
57
54
50
49

Pressure (mb)

1028
1028
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1025
1024
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024

Ozone (du)

300
298
296
296
296
296
297
298
299
299
300
300
298
298
298
297
296
295
297
303
304
308
310
311

Monday 29

Waxing Gibbous 82%

12:49

03:38

23 Good
00 Good
01 Good
02 OK
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: 08:17, Set: 16:37, Transit: 12:27. Moon - Rise: 12:49, Set: 03:38. Civil Dark: 17:13 - 07:40. Nautical Dark: 17:54 - 07:00. Astro Dark: 18:32 - 06:22

Total Clouds (% Sky Obscured)

0
2
9
21
63
86
88
92
70
58
65
74
81
89
84
81
75
73
75
78
73
66
69
62

Low Clouds (% Sky Obscured)

0
1
9
21
56
76
83
90
70
55
55
67
79
86
79
70
66
73
71
66
62
57
56
53

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-13
-11
-9
-8
-7
-7
-7
-5
-5
-4
-3
-3
-3
-3
-3
-3
-3
-4
-4
-5
-6
-6
-6
-7

Relative Humidity (%)

48
53
66
76
81
79
78
82
86
87
91
87
83
81
80
80
80
80
80
77
76
75
74
72

Pressure (mb)

1024
1025
1025
1026
1026
1026
1026
1025
1025
1026
1026
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

311
306
302
301
300
297
297
296
296
295
297
296
291
286
285
285
285
285
285
286
286
291
297
302

Tuesday 30

Waxing Gibbous 91%

13:21

05:06

23 Bad
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
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: 08:17, Set: 16:38, Transit: 12:27. Moon - Rise: 13:21, Set: 05:06. Civil Dark: 17:14 - 07:41. Nautical Dark: 17:55 - 07:00. Astro Dark: 18:33 - 06:22

Total Clouds (% Sky Obscured)

55
44
39
36
33
31
26
27
44
59
72
79
87
95
95
95
93
93
95
95
96
96
97
96

Low Clouds (% Sky Obscured)

51
44
39
36
33
31
26
24
39
54
69
72
81
90
86
82
79
84
89
93
85
75
64
67

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
7
14
25
39
48
58
50
46
40
61
75
77
75
61
45
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
2
14
26
45
47
45
65
70
80
85
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
5
3
2
1
0
1
2
2
2
1
1
2
4
6
7
8
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
3
4
4
8
10
8
17
24
33
37
38
41
40
34
23
24
23
21
23
23
15
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
78
82
82
84
86
86
86
86
87
89
91
89
87
84
87
89
92
92
92
94
94
92
92

Pressure (mb)

1026
1025
1025
1025
1024
1024
1023
1023
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020
1019
1019
1019
1019
1018
1018

Ozone (du)

308
314
319
326
333
340
339
339
338
338
338
338
336
334
332
332
331
331
334
337
340
345
351
356

Wednesday 31

Waxing Gibbous 97%

14:06

06:33

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: 08:17, Set: 16:39, Transit: 12:28. Moon - Rise: 14:06, Set: 06:33. Civil Dark: 17:15 - 07:41. Nautical Dark: 17:55 - 07:00. Astro Dark: 18:34 - 06:22

Total Clouds (% Sky Obscured)

95
93
95
98
100
99
98
97
96
96
92
87
81
75
84
93
100
100
100
99

Low Clouds (% Sky Obscured)

68
70
59
47
35
53
75
96
96
96
92
87
81
75
84
80
77
84
90
97

Medium Clouds (% Sky Obscured)

35
40
45
50
55
74
82
85
88
89
90
84
75
55
69
79
95
95
95
94

High Clouds (% Sky Obscured)

28
0
19
38
49
37
27
9
7
5
3
8
12
16
40
65
90
90
85
80

ISS Passover

Visibility (miles)

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

Fog (%)

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
Snow
Snow
Snow
Snow
Snow
Snow
None
None

Precipitation Probability (%)

22
21
21
19
16
28
39
50
56
58
60
69
72
75
70
62
56
45
34
26

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.1
0.2
0.2
0.2
0.3
0.4
0.4
0.4
0.3
0.3
0.2
0
0

Wind Speed/Direction (mph)

5
5
6
7
8
10
10
11
11
11
12
13
12
12
12
13
14
15
14
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
87
86
83
81
83
84
86
87
89
87
91
92
96
89
84
80
81
86

Pressure (mb)

1017
1017
1016
1015
1015
1014
1013
1013
1012
1012
1011
1011
1010
1010
1009
1009
1009
1010
1010
1011

Ozone (du)

357
358
359
360
362
363
367
371
375
378
381
385
389
392
396
399
402
404
406
407

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

Generated: 25/12/25 23:30:35. Forecast: 25/12/25 to 31/12/25. Timezone: UTC+1.00