Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 2%

10:33

16:45

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:47, Set: 16:02, Transit: 12:24. Moon - Rise: 10:33, Set: 16:45. Civil Dark: 16:47 - 08:02. Nautical Dark: 17:34 - 07:15. Astro Dark: 18:18 - 06:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
97
96
96
99
100
100
100
99
100

Low Clouds (% Sky Obscured)

89
82
79
83
82
92
91
92
89
87
85
92
96
95
93
89
88
92
99
100
100
100
99
100

Medium Clouds (% Sky Obscured)

73
46
59
61
74
100
73
76
99
100
83
98
89
65
36
40
35
29
25
21
21
21
10
8

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
62
70
88
61
51
15
38
48
36
49
58
54

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
18
18
20
20
19
19
19
18
19
20
20
20
20
19
19
20
20
20
20
20
20
20
21

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
85
83
82
82
84
83
85
85
85
85
85
82
82
81
81
79
78
78
78
76
78

Pressure (mb)

1017
1017
1017
1017
1018
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017

Ozone (du)

262
261
261
262
264
267
268
268
265
265
266
269
275
278
280
284
287
289
292
294
297
300
301
303

Monday 22

Waxing Crescent 6%

10:59

18:05

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:47, Set: 16:02, Transit: 12:25. Moon - Rise: 10:59, Set: 18:05. Civil Dark: 16:47 - 08:03. Nautical Dark: 17:34 - 07:16. Astro Dark: 18:18 - 06:32

Total Clouds (% Sky Obscured)

98
82
95
96
100
96
92
83
73
69
60
79
77
77
85
81
97
100
100
95
91
82
73
59

Low Clouds (% Sky Obscured)

95
82
95
96
100
96
92
83
73
69
60
79
77
77
81
77
92
95
100
95
91
82
73
59

Medium Clouds (% Sky Obscured)

4
0
2
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)

28
21
10
4
7
9
7
6
4
3
2
6
7
2
2
2
2
1
6
2
12
22
3
4

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
2
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)

22
21
22
21
21
22
21
22
22
22
23
23
22
23
23
22
22
23
23
23
22
23
22
21

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
1
1
0
1
1
1
2
2
2
2
2
2
1
1
1
1
2
2
2
2

Relative Humidity (%)

76
76
75
78
75
73
73
75
75
76
79
80
80
80
82
83
83
83
85
85
86
85
85
85

Pressure (mb)

1017
1018
1018
1019
1019
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

305
307
308
309
309
311
313
317
320
324
327
330
332
333
334
335
336
337
339
339
342
346
348
349

Tuesday 23

Waxing Crescent 12%

11:16

19:27

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK

Sun - Rise: 08:48, Set: 16:03, Transit: 12:25. Moon - Rise: 11:16, Set: 19:27. Civil Dark: 16:48 - 08:03. Nautical Dark: 17:35 - 07:16. Astro Dark: 18:19 - 06:32

Total Clouds (% Sky Obscured)

65
84
65
63
53
59
70
83
89
54
47
62
54
52
56
72
64
60
75
70
66
50
42
40

Low Clouds (% Sky Obscured)

65
84
62
59
48
55
65
79
81
54
47
54
54
52
56
72
64
60
60
53
49
47
42
40

Medium Clouds (% Sky Obscured)

0
0
0
0
2
2
3
13
14
2
2
32
2
2
5
12
3
3
3
3
3
3
3
0

High Clouds (% Sky Obscured)

22
28
45
40
35
27
40
35
35
10
3
4
3
8
5
9
4
3
4
4
10
4
3
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
1
1
1
1
2
3
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)

22
21
21
22
22
21
21
20
20
21
22
21
21
20
20
19
19
19
20
21
21
20
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
83
83
83
80
80
82
83
83
85
85
85
83
83
86
85
82
75
69
68
67
66
68

Pressure (mb)

1023
1023
1024
1025
1026
1026
1026
1026
1026
1027
1027
1028
1028
1029
1029
1030
1030
1031
1031
1032
1032
1033
1033
1033

Ozone (du)

350
351
350
351
350
349
352
349
346
347
345
344
343
342
339
338
337
336
339
344
347
349
348
346

Wednesday 24

Waxing Crescent 19%

11:28

20:50

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

Sun - Rise: 08:48, Set: 16:04, Transit: 12:26. Moon - Rise: 11:28, Set: 20:50. Civil Dark: 16:48 - 08:03. Nautical Dark: 17:36 - 07:16. Astro Dark: 18:20 - 06:33

Total Clouds (% Sky Obscured)

39
40
42
37
34
26
28
27
37
33
37
51
58
63
64
63
62
58
55
49
43
45
43
40

Low Clouds (% Sky Obscured)

39
40
42
37
34
26
28
27
29
33
37
51
58
57
61
60
59
58
55
49
43
45
43
40

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
1
1
1
1
1
1
8
1
0
0
0
0
0
0
0
0
0
0
0
1
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)

18
19
19
19
18
17
17
17
17
18
18
18
18
17
17
17
17
16
16
16
16
16
15
16

Chance of Frost

Temperature (°C)

1
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
70
75
77
75
75
73
71
69
70
73
75
77
77
77
77
78
78
78
78
78
80
80
80

Pressure (mb)

1034
1035
1035
1036
1037
1037
1037
1037
1037
1037
1038
1038
1039
1039
1039
1040
1040
1040
1040
1040
1040
1039
1039
1039

Ozone (du)

347
349
349
348
348
348
349
348
347
347
346
346
347
347
347
348
347
345
341
335
330
327
321
318

Thursday 25

Waxing Crescent 28%

11:37

22:13

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

Sun - Rise: 08:48, Set: 16:04, Transit: 12:26. Moon - Rise: 11:37, Set: 22:13. Civil Dark: 16:49 - 08:04. Nautical Dark: 17:36 - 07:17. Astro Dark: 18:20 - 06:33

Total Clouds (% Sky Obscured)

36
37
38
35
33
33
38
38
41
36
35
29
39
41
44
36
32
26
21
17
14
26
48
67

Low Clouds (% Sky Obscured)

36
37
38
35
33
33
38
38
41
36
35
29
21
11
1
12
23
26
19
10
1
7
13
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
8
5
4
3
6
8
11

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
1
1
19
33
44
30
13
1
1
1
2
4
5
7

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
78
78
80
80
80
79
79
77
77
79
80
80
80
80
79
79
77
74
76
74
73
73
73

Pressure (mb)

1039
1039
1039
1039
1039
1038
1038
1037
1037
1037
1036
1036
1036
1037
1037
1037
1036
1036
1036
1035
1035
1035
1034
1034

Ozone (du)

316
313
312
316
319
321
320
317
315
314
312
313
313
313
312
311
311
312
312
310
309
308
309
309

Friday 26

Waxing Crescent 38%

11:45

23:36

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

Sun - Rise: 08:49, Set: 16:05, Transit: 12:27. Moon - Rise: 11:45, Set: 23:36. Civil Dark: 16:50 - 08:04. Nautical Dark: 17:37 - 07:17. Astro Dark: 18:21 - 06:33

Total Clouds (% Sky Obscured)

73
76
76
68
62
55
50
55
50
65
75
87
74
60
46
38
30
23
28
32
39
53
65
77

Low Clouds (% Sky Obscured)

16
8
0
0
0
0
0
0
0
19
38
54
48
41
38
27
15
8
12
15
19
37
55
72

Medium Clouds (% Sky Obscured)

12
12
11
27
43
55
50
55
50
65
65
55
36
23
8
4
3
2
1
1
0
0
0
0

High Clouds (% Sky Obscured)

22
40
57
56
43
18
9
9
8
6
3
5
7
9
3
4
4
4
8
11
15
16
17
19

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
1
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)

9
8
7
6
5
4
3
3
5
6
6
6
5
6
6
6
7
7
8
10
11
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
70
69
68
67
65
64
63
62
62
64
67
70
74
79
82
81
81
81
78
76
75
78
81

Pressure (mb)

1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1035
1035
1035
1035
1034
1034
1034

Ozone (du)

310
310
310
310
311
311
311
311
311
310
311
311
311
311
310
310
309
308
307
306
306
306
304
302

Saturday 27

First Quarter 49%

11:53

01:00

07 Bad
08 Bad
09 OK
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 OK
23 OK
00 Good

Sun - Rise: 08:49, Set: 16:06, Transit: 12:27. Moon - Rise: 11:53, Set: 01:00. Civil Dark: 16:51 - 08:04. Nautical Dark: 17:38 - 07:17. Astro Dark: 18:22 - 06:33

Total Clouds (% Sky Obscured)

61
46
35
46
60
68
74
78
81
86
90
86
65
55
48
33
17
2

Low Clouds (% Sky Obscured)

54
35
20
26
33
50
67
78
81
86
90
86
65
55
48
30
14
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

16
15
14
10
7
3
3
2
2
2
2
2
2
3
3
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

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
0
0
0

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)

10
11
10
11
11
11
12
11
9
8
6
10
14
14
14
15
14
14

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
7
7
7
7
7
7
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
81
79
79
81
81
79
81
81
82
84
85
83
83
85
83
83

Pressure (mb)

1034
1035
1035
1035
1035
1034
1034
1034
1034
1034
1034
1035
1035
1035
1036
1036
1036
1036

Ozone (du)

301
301
301
300
303
305
307
303
299
295
297
298
300
297
294
291
293
295

Forecast for Süddorf, Germany (54.64,8.36)

Generated: 21/12/25 07:06:40. Forecast: 21/12/25 to 27/12/25. Timezone: UTC+1.00