Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 22

Waxing Crescent 6%

10:28

18:32

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
09 Bad

Sun - Rise: 08:21, Set: 16:27, Transit: 12:24. Moon - Rise: 10:28, Set: 18:32. Civil Dark: 17:05 - 07:43. Nautical Dark: 17:46 - 07:02. Astro Dark: 18:26 - 06:22

Total Clouds (% Sky Obscured)

97
99
96
97
100
100
100
100
100
100
100
100
100
100
99
98
98
86
89
98
82
75
79
67

Low Clouds (% Sky Obscured)

86
85
85
85
87
86
81
73
72
72
73
73
72
76
68
69
77
81
80
81
78
75
79
67

Medium Clouds (% Sky Obscured)

1
1
0
0
21
47
44
76
76
75
70
70
65
58
41
3
0
0
0
2
22
0
0
0

High Clouds (% Sky Obscured)

45
45
54
54
100
100
100
100
100
100
100
100
86
60
84
90
92
34
47
93
36
11
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)

5
5
6
6
6
6
5
5
5
5
5
6
6
6
6
6
6
6
6
5
6
6
6
7

Chance of Frost

Temperature (°C)

2
3
3
3
3
3
2
2
2
2
3
3
2
2
2
2
2
2
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
74
69
68
69
74
80
85
88
89
89
89
89
89
89
91
91
91
93
93
93
94
93
91

Pressure (mb)

1012
1012
1012
1012
1011
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1016

Ozone (du)

314
322
338
348
347
345
344
348
354
361
366
369
371
372
374
376
375
376
377
377
377
378
379
378

Tuesday 23

Waxing Crescent 12%

10:52

19:47

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
09 Bad

Sun - Rise: 08:21, Set: 16:27, Transit: 12:24. Moon - Rise: 10:52, Set: 19:47. Civil Dark: 17:06 - 07:43. Nautical Dark: 17:47 - 07:02. Astro Dark: 18:26 - 06:23

Total Clouds (% Sky Obscured)

66
64
71
78
85
85
84
87
91
89
91
92
97
99
95
72
92
94
95
73
48
67
74
74

Low Clouds (% Sky Obscured)

66
64
71
78
83
80
82
83
89
88
87
89
97
98
95
72
88
90
91
73
48
67
74
70

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
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
1
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)

8
11
12
12
13
13
12
12
12
12
12
11
12
12
12
12
13
13
13
14
14
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
-0
1
0
0
-1
-1
-1
-1
-1
-1
-2
-2
-2
-3
-3
-3
-4
-5
-6
-6
-6
-7
-8

Dew Point (°C)

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

Relative Humidity (%)

82
75
72
69
70
70
69
69
73
80
82
80
80
82
80
80
81
77
77
74
75
74
71
68

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1018
1018
1019
1020
1020
1021
1021
1022
1022
1023
1024
1024
1024
1025
1025
1026
1027

Ozone (du)

380
377
373
372
372
373
370
365
365
370
373
376
374
378
382
382
381
388
398
406
404
403
403
401

Wednesday 24

Waxing Crescent 19%

11:11

21:03

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
09 OK

Sun - Rise: 08:22, Set: 16:28, Transit: 12:25. Moon - Rise: 11:11, Set: 21:03. Civil Dark: 17:06 - 07:44. Nautical Dark: 17:48 - 07:02. Astro Dark: 18:27 - 06:23

Total Clouds (% Sky Obscured)

55
87
84
86
78
62
60
63
91
64
61
65
85
84
55
56
58
61
56
62
63
49
47
39

Low Clouds (% Sky Obscured)

46
85
82
84
78
62
60
63
66
57
56
60
71
61
54
56
56
58
52
49
46
46
44
39

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
25
87
30
26
33
78
76
9
6
7
4
2
1
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
6
23
1
2
1
1
1
20
26
13
12
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 (%)

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)

16
17
16
16
16
16
16
16
17
18
18
18
18
18
17
16
16
15
15
14
13
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
61
59
58
60
62
64
66
66
66
66
64
66
63
63
63
62
60
60
62
62
63
64
64

Pressure (mb)

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

Ozone (du)

400
399
400
397
394
391
395
394
391
385
380
378
374
371
368
367
368
368
368
367
369
372
373
372

Thursday 25

Waxing Crescent 28%

11:26

22:19

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

Sun - Rise: 08:22, Set: 16:29, Transit: 12:25. Moon - Rise: 11:26, Set: 22:19. Civil Dark: 17:07 - 07:44. Nautical Dark: 17:48 - 07:03. Astro Dark: 18:28 - 06:23

Total Clouds (% Sky Obscured)

24
13
1
1
1
1
1
1
1
11
19
29
26
23
20
16
11
7
8
8
9
7
5
4

Low Clouds (% Sky Obscured)

24
13
1
0
0
0
0
1
1
10
19
28
26
23
20
16
11
7
7
8
9
6
4
1

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-7
-6
-6
-5
-5
-4
-4
-4
-4
-4
-4
-3
-4
-3
-4
-4
-3
-3
-3
-3
-3

Relative Humidity (%)

62
57
55
56
56
58
64
70
75
78
78
81
83
86
87
87
89
89
89
91
92
92
92
92

Pressure (mb)

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

Ozone (du)

372
369
370
367
363
360
359
357
358
357
355
355
352
347
343
341
340
338
336
334
335
336
334
331

Friday 26

Waxing Crescent 38%

11:40

23:35

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

Sun - Rise: 08:22, Set: 16:29, Transit: 12:26. Moon - Rise: 11:40, Set: 23:35. Civil Dark: 17:08 - 07:44. Nautical Dark: 17:49 - 07:03. Astro Dark: 18:28 - 06:24

Total Clouds (% Sky Obscured)

11
17
19
14
8
2
9
21
23
25
27
30
35
41
48
36
23
9
7
4
2
1
1
0

Low Clouds (% Sky Obscured)

9
15
19
13
7
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
4
8
10
5
7
9
17
21
25
18
12
6
5
3
2
1
1
0

High Clouds (% Sky Obscured)

0
0
1
1
1
1
2
6
5
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
77
73
71
71
74
84
88
89
89
91
91
89
91
89
91
87
86
83
77
72
67
62
56

Pressure (mb)

1029
1029
1029
1028
1028
1028
1028
1029
1029
1029
1032
1033
1033
1033
1033
1033
1034
1034
1034
1034
1034
1034
1035
1035

Ozone (du)

326
322
319
317
314
312
311
310
309
308
308
309
310
309
309
309
308
308
308
307
307
306
305
304

Saturday 27

First Quarter 49%

11:53

00:54

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

Sun - Rise: 08:22, Set: 16:30, Transit: 12:26. Moon - Rise: 11:53, Set: 00:54. Civil Dark: 17:08 - 07:44. Nautical Dark: 17:50 - 07:03. Astro Dark: 18:29 - 06:24

Total Clouds (% Sky Obscured)

17
30
45
35
30
22
14
7
3
1
0
0
0
0
0
0
0
0
21
43
63
68
74
79

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
35
47
55
64
74

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)

2
3
20
35
30
22
14
7
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
50
47
46
49
53
57
58
60
60
61
63
63
67
72
77
80
83
86
89
89
91
89
89

Pressure (mb)

1035
1035
1035
1034
1034
1034
1034
1034
1034
1034
1033
1033
1033
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031
1031

Ozone (du)

304
302
301
300
299
298
297
297
297
297
298
299
300
300
300
299
302
304
306
308
311
313
312
311

Sunday 28

Waxing Gibbous 61%

12:08

02:16

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

Sun - Rise: 08:22, Set: 16:31, Transit: 12:27. Moon - Rise: 12:08, Set: 02:16. Civil Dark: 17:09 - 07:44. Nautical Dark: 17:50 - 07:03. Astro Dark: 18:30 - 06:24

Total Clouds (% Sky Obscured)

70
60
51
47
44
41
37
33
28
19
9
0
6
12
16

Low Clouds (% Sky Obscured)

58
44
34
36
36
36
35
32
28
19
9
0
6
12
16

Medium Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
5
6
7
8
9
9
8
7
6
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
81
76
72
72
70
70
71
74
75
75
75
75
79
81

Pressure (mb)

1031
1031
1031
1031
1031
1031
1032
1032
1033
1034
1034
1034
1035
1035
1035

Ozone (du)

310
311
313
314
312
309
307
308
309
309
310
310
311
312
312

Forecast for Eberstadt, Regierungsbezirk Darmstadt, Germany (49.84,8.66)

Generated: 22/12/25 09:34:18. Forecast: 22/12/25 to 28/12/25. Timezone: UTC+1.00