Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 2%

10:25

17:24

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

Sun - Rise: 08:18, Set: 16:30, Transit: 12:24. Moon - Rise: 10:25, Set: 17:24. Civil Dark: 17:07 - 07:41. Nautical Dark: 17:48 - 07:00. Astro Dark: 18:27 - 06:21

Total Clouds (% Sky Obscured)

92
88
85
71
30
30
31
44
54
67
51
46
51
62
85
86
86
79
75
88
96
95
97
96

Low Clouds (% Sky Obscured)

42
37
39
29
28
30
31
33
35
37
41
46
50
53
54
52
50
57
64
64
65
64
62
60

Medium Clouds (% Sky Obscured)

7
4
1
0
0
0
0
0
0
1
2
0
0
0
7
19
11
0
0
6
39
55
79
90

High Clouds (% Sky Obscured)

20
51
21
8
5
2
6
22
21
34
10
3
3
8
25
25
39
46
14
50
65
48
45
28

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
60
64
66
68
69
69
69
70
69
69
72
73
76
77
79
77
79
80
80
79
74
72
69

Pressure (mb)

1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1010

Ozone (du)

281
283
280
277
276
277
278
280
281
284
288
290
293
293
295
298
303
307
309
313
317
332
345
340

Monday 22

Waxing Crescent 6%

10:50

18:35

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:18, Set: 16:31, Transit: 12:25. Moon - Rise: 10:50, Set: 18:35. Civil Dark: 17:08 - 07:41. Nautical Dark: 17:49 - 07:00. Astro Dark: 18:27 - 06:22

Total Clouds (% Sky Obscured)

97
95
100
99
96
93
92
94
90
99
100
100
100
90
91
99
99
99
100
98
94
92
78
79

Low Clouds (% Sky Obscured)

62
56
60
70
61
62
59
54
58
60
60
59
60
56
56
55
50
51
54
53
49
46
45
49

Medium Clouds (% Sky Obscured)

87
65
90
84
55
43
39
56
30
30
30
33
40
39
37
70
53
56
65
27
1
0
0
0

High Clouds (% Sky Obscured)

42
67
100
81
65
61
64
56
62
96
100
96
98
23
34
83
69
35
77
25
20
30
24
27

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

Chance of Frost

Temperature (°C)

4
5
5
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
66
67
69
73
75
77
77
76
76
75
75
75
73
73
74
76
76
77
77
76
76
72
68

Pressure (mb)

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

Ozone (du)

342
346
343
345
353
358
364
369
373
374
376
378
380
381
381
384
385
385
386
385
385
383
383
382

Tuesday 23

Waxing Crescent 12%

11:09

19:50

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:19, Set: 16:31, Transit: 12:25. Moon - Rise: 11:09, Set: 19:50. Civil Dark: 17:09 - 07:41. Nautical Dark: 17:49 - 07:01. Astro Dark: 18:28 - 06:22

Total Clouds (% Sky Obscured)

52
53
58
56
58
86
93
96
98
100
99
99
100
100
97
83
84
91
85
78
72
71
56
47

Low Clouds (% Sky Obscured)

51
49
51
45
51
86
93
96
98
100
99
99
100
100
96
81
83
91
85
78
72
71
54
45

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)

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

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
9
9
9
8
8
8
9
8
9
10
10
10
11
11
11
11
11
11
12
12
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
67
67
71
71
68
66
72
73
74
73
72
71
72
71
70
69
68
65
64
63
60
56

Pressure (mb)

1014
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1021
1021
1022
1022
1023
1024
1024
1024

Ozone (du)

380
376
372
374
372
375
372
373
371
370
371
371
373
374
374
376
380
385
386
390
393
393
394
395

Wednesday 24

Waxing Crescent 19%

11:25

21:05

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
09 Bad
10 Bad
11 OK
12 Bad

Sun - Rise: 08:19, Set: 16:32, Transit: 12:26. Moon - Rise: 11:25, Set: 21:05. Civil Dark: 17:09 - 07:42. Nautical Dark: 17:50 - 07:01. Astro Dark: 18:29 - 06:22

Total Clouds (% Sky Obscured)

74
81
84
88
92
90
95
94
94
91
87
84
75
72
65
69
56
73
74
76
46
46
48
52

Low Clouds (% Sky Obscured)

74
81
84
86
88
85
82
75
69
69
70
72
70
70
33
54
43
34
43
46
46
46
48
52

Medium Clouds (% Sky Obscured)

0
0
0
1
4
6
11
89
92
85
81
76
64
54
55
51
28
60
56
39
2
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
5
10
4
10
14
17
1
1
1
3

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 (%)

5
8
4
11
11
8
11
18
28
19
21
15
13
10
2
1
1
0
0
1
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
13
13
13
13
13
13
13
13
12
13
13
13
13
13
13
12
12
12
11
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-3
-3
-3
-4
-5
-5
-6
-6
-7
-7
-7
-7
-7
-7
-7
-7
-6
-7
-6
-7
-5
-4
-3

Dew Point (°C)

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

Relative Humidity (%)

53
52
53
54
57
59
60
60
61
63
61
59
57
55
55
56
56
58
58
60
60
59
57
56

Pressure (mb)

1024
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024

Ozone (du)

395
395
397
398
403
406
405
401
397
391
384
382
377
377
377
374
372
370
372
372
370
368
366
365

Thursday 25

Waxing Crescent 28%

11:40

22:20

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:19, Set: 16:32, Transit: 12:26. Moon - Rise: 11:40, Set: 22:20. Civil Dark: 17:10 - 07:42. Nautical Dark: 17:50 - 07:01. Astro Dark: 18:29 - 06:23

Total Clouds (% Sky Obscured)

85
87
86
66
58
53
59
63
61
53
53
76
82
88
94
95
96
97
95
93
91
81
72
63

Low Clouds (% Sky Obscured)

84
80
85
66
58
52
58
63
60
53
53
76
82
88
93
94
94
96
92
89
86
80
72
63

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
7
15
23
44
62
80
55
30
5
5
5
5

High Clouds (% Sky Obscured)

3
16
0
0
0
0
0
0
0
0
0
0
3
5
8
9
9
10
10
5
0
0
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
1
1
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
56
58
62
65
69
70
71
73
75
78
80
80
80
80
78
78
77
78
75
75
74
72
68

Pressure (mb)

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

Ozone (du)

364
361
362
362
360
358
359
358
358
358
357
356
355
355
356
356
359
362
365
365
366
366
367
368

Friday 26

Waxing Crescent 38%

11:54

23:36

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

Sun - Rise: 08:20, Set: 16:33, Transit: 12:27. Moon - Rise: 11:54, Set: 23:36. Civil Dark: 17:10 - 07:42. Nautical Dark: 17:51 - 07:02. Astro Dark: 18:30 - 06:23

Total Clouds (% Sky Obscured)

54
45
35
27
20
11
11
11
11
14
14
15
10
6
2
2
2
2
2
2
3
2
2
2

Low Clouds (% Sky Obscured)

54
45
35
27
20
11
11
11
11
12
11
10
8
6
2
2
2
2
2
2
3
2
2
1

Medium Clouds (% Sky Obscured)

3
2
0
0
0
0
0
0
0
6
10
15
9
5
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-2
-2
-2
-1
-2
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2

Relative Humidity (%)

67
67
69
71
74
79
80
83
83
83
84
84
86
86
86
87
89
87
89
87
86
84
80
77

Pressure (mb)

1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1029

Ozone (du)

369
370
371
371
372
373
374
373
372
371
372
372
372
374
375
376
378
379
380
380
380
381
381
382

Saturday 27

First Quarter 49%

12:09

00:54

13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 OK
23 OK
00 Bad
01 Bad
02 OK
03 OK
04 OK
05 OK
06 OK

Sun - Rise: 08:20, Set: 16:34, Transit: 12:27. Moon - Rise: 12:09, Set: 00:54. Civil Dark: 17:11 - 07:42. Nautical Dark: 17:52 - 07:02. Astro Dark: 18:31 - 06:23

Total Clouds (% Sky Obscured)

3
5
6
5
4
3
5
7
8
20
35
49
43
34
25
31
28
35

Low Clouds (% Sky Obscured)

2
2
2
2
3
3
5
7
8
9
6
5
10
17
23
23
22
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
8
16
27
21
12
4
2
1
0

High Clouds (% Sky Obscured)

2
4
6
4
2
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

Fog (%)

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
74
74
74
77
80
81
81
83
84
84
86
86
84
84
84
83
83

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

382
382
381
381
381
380
380
379
379
378
376
375
374
374
373
373
372
370

Forecast for Karlsdorf, Karlsruhe Region, Germany (49.14,8.54)

Generated: 21/12/25 13:50:11. Forecast: 21/12/25 to 27/12/25. Timezone: UTC+1.00