Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waxing Crescent 38%

11:55

23:37

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 Good
05 Good
06 Good
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:37, Set: 16:20, Transit: 12:29. Moon - Rise: 11:55, Set: 23:37. Civil Dark: 17:01 - 07:56. Nautical Dark: 17:45 - 07:12. Astro Dark: 18:26 - 06:30

Total Clouds (% Sky Obscured)

14
5
2
2
0
1
0
0
1
1
1
0
0
0
17
50
55
49
49
49
51
61
83
92

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
35
49
39
37
38
49
83
92

Medium Clouds (% Sky Obscured)

2
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)

7
4
2
2
0
1
0
0
1
1
1
0
0
0
14
39
34
6
7
5
4
3
0
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
2
46
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
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
6
5
5
5
5
5
5
5
5
4
4
4
4
4
3
3
2
2
3
4
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-13
-14
-16
-18
-19
-20
-20
-20
-20
-20
-19
-17
-16
-14
-12
-10
-9
-7
-6
-5
-3
-1
1
2

Relative Humidity (%)

44
42
37
33
30
28
27
27
27
29
32
36
41
48
56
65
72
79
79
77
78
84
93
96

Pressure (mb)

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

Ozone (du)

295
294
293
293
292
292
292
291
292
292
292
293
293
293
293
293
293
293
293
294
294
293
292
294

Saturday 27

First Quarter 49%

12:06

00:59

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

Sun - Rise: 08:37, Set: 16:21, Transit: 12:29. Moon - Rise: 12:06, Set: 00:59. Civil Dark: 17:02 - 07:56. Nautical Dark: 17:46 - 07:12. Astro Dark: 18:27 - 06:30

Total Clouds (% Sky Obscured)

91
86
58
71
60
54
56
34
29
30
25
31
42
29
0
1
2
0
0
0
0
3
3
2

Low Clouds (% Sky Obscured)

91
74
58
63
56
52
54
34
29
30
25
31
42
29
0
1
2
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)

2
47
3
11
3
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
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
26
46
6
4
6
14
1
0
0
0
1
0
0
0
1
1
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
4
5
5
4
4
4
4
3
3
3
4
5
4
4
4
3
3
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
96
98
98
96
96
94
96
96
96
96
98
96
91
83
75
70
63
58
56
58
60

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1033
1034
1034
1034
1034
1034
1033
1033
1032
1032

Ozone (du)

294
293
293
295
293
291
289
288
288
288
288
290
291
290
290
290
287
283
282
284
284
283
283
282

Sunday 28

Waxing Gibbous 61%

12:20

02:24

16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 OK
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

Sun - Rise: 08:37, Set: 16:22, Transit: 12:30. Moon - Rise: 12:20, Set: 02:24. Civil Dark: 17:03 - 07:56. Nautical Dark: 17:47 - 07:12. Astro Dark: 18:28 - 06:31

Total Clouds (% Sky Obscured)

2
2
3
3
3
2
2
10
6
31
54
59
67
61
66
87
86
93
88
92
98
98
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
13
36
43
49
49
60
75
72
74
76
88
96
97
98
99

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
1
0
0
0
0
0
3
4
11
16
21
26
15
27
33
22
28
21
21
21
16
16
23

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
3
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
1
3
6
21

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-7
-9
-9
-10
-10
-10
-11
-11
-11
-11
-9
-6
-4
-3
-2
-2
-1
-1
0
1
2
2
2

Relative Humidity (%)

62
62
58
57
57
57
56
55
52
51
53
59
72
86
94
96
98
100
98
98
96
96
96
94

Pressure (mb)

1032
1031
1031
1031
1030
1030
1030
1029
1029
1028
1028
1027
1027
1027
1026
1026
1026
1026
1025
1025
1025
1024
1024
1023

Ozone (du)

282
283
282
282
281
281
279
279
278
276
276
277
279
281
281
280
279
278
280
280
280
279
278
277

Monday 29

Waxing Gibbous 72%

12:38

03:54

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

Sun - Rise: 08:37, Set: 16:23, Transit: 12:30. Moon - Rise: 12:38, Set: 03:54. Civil Dark: 17:03 - 07:56. Nautical Dark: 17:47 - 07:12. Astro Dark: 18:29 - 06:31

Total Clouds (% Sky Obscured)

94
88
83
79
76
73
42
28
21
50
64
62
41
41
47
42
40
33
48
45
44
66
67
56

Low Clouds (% Sky Obscured)

92
86
78
77
76
73
41
28
21
48
58
59
41
41
47
40
34
29
48
30
24
62
67
50

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
13
21
17
9
0

High Clouds (% Sky Obscured)

5
3
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 (%)

13
20
7
18
10
11
6
4
0
0
0
0
0
0
0
0
0
0
0
0
2
8
13
19

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
7
8
8
8
8
8
8
8
8
7
6
4
4
4
3
3
3
3
4
6
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
91
83
80
80
83
84
84
81
78
86
91
89
89
87
84
81
74
71
76
82
83

Pressure (mb)

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

Ozone (du)

280
280
279
279
282
283
280
274
274
273
276
282
286
288
290
293
295
301
306
312
312
313
318
323

Tuesday 30

Waxing Gibbous 82%

13:05

05:28

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:37, Set: 16:24, Transit: 12:31. Moon - Rise: 13:05, Set: 05:28. Civil Dark: 17:04 - 07:56. Nautical Dark: 17:48 - 07:12. Astro Dark: 18:30 - 06:31

Total Clouds (% Sky Obscured)

65
64
59
64
70
77
84
90
98
99
99
100
97
94
91
99
99
98
95
93
90
94
97
100

Low Clouds (% Sky Obscured)

58
64
59
57
55
54
56
77
92
89
88
86
87
87
89
93
91
91
90
89
88
91
95
99

Medium Clouds (% Sky Obscured)

5
26
30
23
63
77
84
34
29
33
34
40
33
29
23
40
42
45
50
55
60
73
86
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
32
67
100
67
34
5
74
73
72
52
32
12
11
10
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
7
2
3
0
5
9
8
8
8
8
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
Very Light Rain
Snow
None
None
None
None
None
None
None
None
None
Snow

Precipitation Probability (%)

13
11
15
5
14
1
11
18
28
41
49
50
53
49
36
41
42
41
41
39
37
36
36
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
7
7
7
7
9
11
13
14
16
14
15
15
12
13
13
12
12
11
11
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
93
91
91
91
91
86
84
88
88
80
83
83
96
88
79
77
77
74
74
74
73
73
71

Pressure (mb)

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

Ozone (du)

324
327
327
330
334
338
343
349
345
343
345
346
346
345
345
344
346
348
350
356
361
367
368
368

Wednesday 31

Waxing Gibbous 91%

13:45

06:59

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:37, Set: 16:25, Transit: 12:31. Moon - Rise: 13:45, Set: 06:59. Civil Dark: 17:05 - 07:56. Nautical Dark: 17:49 - 07:12. Astro Dark: 18:30 - 06:31

Total Clouds (% Sky Obscured)

100
99
99
99
98
98
75
57
44
62
76
89
90
93
96
97
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

94
89
83
79
74
70
55
39
23
40
62
84
86
89
91
94
97
100
100
100
99
96
92
90

Medium Clouds (% Sky Obscured)

94
89
80
70
60
48
35
19
5
7
13
19
32
44
54
72
84
95
90
86
82
75
68
56

High Clouds (% Sky Obscured)

7
4
2
23
43
63
61
57
44
62
76
89
67
41
11
32
52
72
81
91
100
67
34
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

33
34
40
37
33
31
28
26
23
26
26
20
27
25
12
16
15
14
35
50
63
71
78
83

Precipitation Amount (mm)

0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.4
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
75
80
84
86
87
89
84
81
77
72
71
68
71
74
74
80
86
91
93
94
96
96
98

Pressure (mb)

1019
1019
1019
1019
1019
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017
1017
1016
1015
1015
1014
1013
1012
1011
1010

Ozone (du)

369
365
361
357
351
346
340
341
341
342
337
333
328
336
344
352
351
351
350
347
344
342
342
342

Thursday 1

Waxing Gibbous 97%

14:46

08:17

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 OK
08 OK
09 OK
10 OK
11 Good
12 Good

Sun - Rise: 08:36, Set: 16:26, Transit: 12:32. Moon - Rise: 14:46, Set: 08:17. Civil Dark: 17:06 - 07:56. Nautical Dark: 17:50 - 07:12. Astro Dark: 18:31 - 06:31

Total Clouds (% Sky Obscured)

97
94
90
85
80
72
75
82
91
87
83
79
68
58
49
40
32
21
17
13
9

Low Clouds (% Sky Obscured)

87
83
79
76
73
68
64
68
72
69
67
63
58
53
48
35
24
11
10
9
8

Medium Clouds (% Sky Obscured)

54
52
50
50
53
55
63
72
80
71
59
48
32
17
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

72
61
48
55
59
63
73
82
89
77
60
32
26
21
16
13
12
2
4
3
1

Precipitation Amount (mm)

0.4
0.2
0.1
0.2
0.2
0.3
0.4
0.5
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
14
15
15
14
13
12
11
10
9
8
8
9
9
8
7
8
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
94
93
94
93
94
93
94
94
89
84
80
78
78
77
77
75
74
72
70

Pressure (mb)

1009
1009
1009
1009
1009
1009
1008
1009
1009
1009
1010
1010
1011
1012
1013
1014
1015
1016
1017
1017
1018

Ozone (du)

342
349
357
364
368
371
375
385
396
407
407
406
405
399
392
385
384
384
384
382
380

Forecast for Osnabrück, Germany (52.27,8.05)

Generated: 26/12/25 16:29:29. Forecast: 26/12/25 to 01/01/26. Timezone: UTC+1.00