Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 6%

09:47

17:07

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
13 Bad

Sun - Rise: 07:42, Set: 16:12, Transit: 11:57. Moon - Rise: 09:47, Set: 17:07. Civil Dark: 16:47 - 07:07. Nautical Dark: 17:26 - 06:28. Astro Dark: 18:03 - 05:51

Total Clouds (% Sky Obscured)

88
84
81
67
87
96
100
98
100
100
100
96
95
100
100
100
100
100
100
98
97
100
99
100

Low Clouds (% Sky Obscured)

61
67
64
67
85
94
100
97
100
100
100
95
94
100
100
100
100
100
100
96
94
100
97
98

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
3
13
15
12
14
38
33
18
36
40
43

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
1
2
4
6
6
7
17
53
100
100
100
100
100
100
100
100
100
53
63
45
37
19
50

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
3
0
0
3
3
3
0
0
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
78
87
91
93
91
91
89
89
89
88
86
88
84
83
83
83
81
81
81
79
76
73
73

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018
1019
1018
1018
1017
1017

Ozone (du)

288
283
280
278
278
279
281
280
282
281
281
281
282
280
279
278
280
279
280
278
278
281
282
287

Monday 22

Waxing Crescent 6%

10:14

18:17

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
13 Bad

Sun - Rise: 07:42, Set: 16:12, Transit: 11:58. Moon - Rise: 10:14, Set: 18:17. Civil Dark: 16:48 - 07:07. Nautical Dark: 17:27 - 06:28. Astro Dark: 18:04 - 05:51

Total Clouds (% Sky Obscured)

98
94
95
97
98
98
100
97
90
89
97
99
100
98
97
98
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

90
88
86
82
90
90
91
90
87
87
96
98
99
96
93
94
99
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
12
64
24
23
19
13
20
10
18

High Clouds (% Sky Obscured)

48
25
33
43
46
41
57
31
5
9
21
9
16
29
38
57
95
82
65
66
53
38
46
53

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
2
1

Fog (%)

45
39
42
16
9
20
6
14
8
5
4
6
6
47
50
100
100
100
100
100
53
53
53
53

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

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
3
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
0
0
0
1
-0
0
0
0
0
0
0
0
0
0
0
-0
1
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

72
73
77
79
80
81
85
86
89
91
93
93
93
93
93
91
93
91
91
89
91
91
93
93

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1015
1015
1015
1016
1016
1016
1016
1016
1016

Ozone (du)

292
296
299
301
303
304
312
317
325
325
339
341
344
348
354
367
379
387
389
392
394
394
393
390

Tuesday 23

Waxing Crescent 11%

10:36

19:29

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
13 Bad

Sun - Rise: 07:43, Set: 16:13, Transit: 11:58. Moon - Rise: 10:36, Set: 19:29. Civil Dark: 16:48 - 07:07. Nautical Dark: 17:27 - 06:29. Astro Dark: 18:04 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
94
93
94
95
96
98
99
99

Medium Clouds (% Sky Obscured)

70
71
56
70
62
72
73
66
87
80
77
83
83
98
100
98
97
98
99
100
100
100
100
100

High Clouds (% Sky Obscured)

64
56
51
50
57
58
66
74
87
91
82
70
100
94
81
68
58
62
72
76
89
79
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

53
58
63
41
40
4
9
2
1
0
0
1
4
0
0
1
1
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

7
10
18
24
22
23
28
35
44
53
59
61
65
67
70
72
79
90
94
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.1
0.2
0
0.2
0.2
0.2
0.3
0.3
0.5
0.5
0.7
0.9
1
1.1
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1

Feels Like (°C)

1
1
1
1
0
0
0
0
0
0
0
0
-0
-0
0
-0
0
-0
-1
-1
-1
-1
-1
-1

Dew Point (°C)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
1
1
1
1
1
1

Relative Humidity (%)

93
93
94
94
94
94
96
96
96
98
98
98
98
98
98
100
100
100
98
100
100
98
98
98

Pressure (mb)

1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019

Ozone (du)

387
382
380
379
379
380
381
382
383
384
385
385
388
387
388
387
388
389
388
384
385
386
388
388

Wednesday 24

Waxing Crescent 19%

10:55

20:42

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
13 Bad

Sun - Rise: 07:43, Set: 16:13, Transit: 11:59. Moon - Rise: 10:55, Set: 20:42. Civil Dark: 16:49 - 07:08. Nautical Dark: 17:28 - 06:29. Astro Dark: 18:05 - 05:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
99
99
99
99
99
99
99
99
99
99
100
99
99
99
99

Low Clouds (% Sky Obscured)

99
100
100
99
99
99
98
98
97
96
95
96
96
96
97
98
98
97
96
94
95
96
98
98

Medium Clouds (% Sky Obscured)

100
100
100
100
100
94
89
84
82
76
73
73
74
75
71
73
50
56
63
71
61
51
44
52

High Clouds (% Sky Obscured)

100
100
100
100
93
80
74
66
71
72
69
58
52
45
48
59
21
15
6
1
11
21
30
53

ISS Passover

Visibility (miles)

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

Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

95
95
95
95
95
94
95
95
95
95
95
95
78
73
63
55
47
47
45
52
55
47
45
45

Precipitation Amount (mm)

1.2
1.2
1.1
0.9
0.9
0.7
0.8
0.8
0.9
0.9
1
0.8
0.4
0.5
0.4
0.3
0.2
0.2
0.1
0.2
0.3
0.2
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
1
0
0
0
0
0
0
1
0
0
0
-0
-0
-1
-1
-1
-1
-0
-0
0
0
1
1

Feels Like (°C)

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

Dew Point (°C)

1
1
0
0
0
-0
0
0
1
0
0
0
-0
-0
-1
-1
-1
-1
-1
-0
-0
0
1
1

Relative Humidity (%)

100
100
100
100
100
98
100
100
100
100
100
100
100
100
98
100
100
98
98
100
98
100
100
100

Pressure (mb)

1019
1019
1020
1020
1021
1021
1022
1022
1023
1023
1024
1024
1025
1025
1025
1026
1026
1026
1027
1028
1028
1028
1028
1028

Ozone (du)

387
386
386
385
389
394
396
397
398
399
400
401
405
403
402
402
401
399
396
394
393
393
391
391

Thursday 25

Waxing Crescent 28%

11:11

21:54

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
13 Bad

Sun - Rise: 07:43, Set: 16:14, Transit: 11:59. Moon - Rise: 11:11, Set: 21:54. Civil Dark: 16:49 - 07:08. Nautical Dark: 17:28 - 06:29. Astro Dark: 18:05 - 05:52

Total Clouds (% Sky Obscured)

99
99
99
98
97
97
97
99
99
99
100
99
99
99
100
100
100
100
100
100
98
97
95
97

Low Clouds (% Sky Obscured)

98
99
97
95
92
94
95
97
96
93
93
94
95
96
98
99
100
100
100
100
98
97
94
95

Medium Clouds (% Sky Obscured)

57
67
57
47
43
57
66
54
61
64
71
65
51
42
54
64
72
67
61
49
47
41
36
29

High Clouds (% Sky Obscured)

42
19
4
8
36
43
6
0
23
38
47
37
32
20
20
23
25
10
3
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Snow
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
Snow
Snow
Snow
Snow
Snow
None
Snow
Snow
None
None
None
None
None
None

Precipitation Probability (%)

40
32
44
47
50
49
48
47
41
37
42
52
46
42
36
33
38
34
28
21
21
16
15
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
98
100
100
98
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

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

Ozone (du)

391
390
390
389
387
385
382
380
379
379
380
381
378
375
372
371
370
369
367
366
364
362
361
359

Friday 26

Waxing Crescent 38%

11:27

23:08

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
13 Bad

Sun - Rise: 07:44, Set: 16:15, Transit: 12:00. Moon - Rise: 11:27, Set: 23:08. Civil Dark: 16:50 - 07:08. Nautical Dark: 17:29 - 06:30. Astro Dark: 18:06 - 05:52

Total Clouds (% Sky Obscured)

97
98
97
94
91
93
95
95
95
95
94
86
77
66
67
72
76
73
68
67
64
60
67
80

Low Clouds (% Sky Obscured)

95
96
93
91
90
91
90
89
87
86
84
85
77
66
67
72
76
73
68
67
64
60
67
80

Medium Clouds (% Sky Obscured)

21
21
17
9
3
10
18
16
13
11
11
6
4
2
2
1
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
3
2
1
1
3
5
7
4

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
3
6
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 (%)

11
11
10
8
7
6
6
7
7
5
0
1
1
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
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
98
94
92
92
91
91
91
91
94
92
93
91

Pressure (mb)

1030
1031
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1032
1032
1032
1031
1031
1030

Ozone (du)

359
359
359
359
359
359
361
362
364
364
365
365
367
368
370
369
368
367
365
363
361
360
358
357

Saturday 27

First Quarter 49%

11:45

00:23

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: 07:44, Set: 16:16, Transit: 12:00. Moon - Rise: 11:45, Set: 00:23. Civil Dark: 16:51 - 07:09. Nautical Dark: 17:30 - 06:30. Astro Dark: 18:07 - 05:53

Total Clouds (% Sky Obscured)

88
92
95
97
100
100
100
100
94
86
79
71
68
60
60
65
70

Low Clouds (% Sky Obscured)

88
92
95
97
100
100
100
100
94
86
79
71
68
60
60
65
70

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

8
7
7
7
7
7
5
3
1
1
1
0
0
0
0
0
0

Fog (%)

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

Precipitation Probability (%)

0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
3
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

1
1
2
1
1
1
1
1
1
1
1
1
1
1
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
0
0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

Relative Humidity (%)

89
91
91
93
91
92
92
92
94
96
96
96
96
98
96
96
96

Pressure (mb)

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

Ozone (du)

355
354
352
352
352
351
350
349
348
345
341
338
337
335
334
333
333

Forecast for Oberberg, Politischer Bezirk Graz-Umgebung, Republic of Austria (47.07,15.32)

Generated: 21/12/25 14:32:39. Forecast: 21/12/25 to 27/12/25. Timezone: UTC+1.00