Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 72%

12:35

02:14

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 OK
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good

Sun - Rise: 08:15, Set: 16:47, Transit: 12:31. Moon - Rise: 12:35, Set: 02:14. Civil Dark: 17:23 - 07:40. Nautical Dark: 18:01 - 07:01. Astro Dark: 18:39 - 06:24

Total Clouds (% Sky Obscured)

88
84
80
50
51
59
69
70
75
76
76
78
81
76
66
46
29
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

60
55
51
50
51
59
68
70
75
76
76
78
81
76
66
46
29
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)

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 (%)

1
1
0
0
2
7
9
48
50
55
100
100
100
100
100
39
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
4
3
2
1
1
1
1
1
2
1
1
1
1
1
1
1
0
0
1
1
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
79
81
84
85
87
89
90
90
92
92
92
89
76
66
59
55
54
59
70
80
81
84

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1026
1026
1025
1025
1024
1023
1022
1022
1022
1022
1022
1023

Ozone (du)

322
325
328
327
327
327
323
322
326
328
327
325
322
321
323
326
326
327
329
327
325
323
325
324

Monday 29

Waxing Gibbous 72%

13:00

03:37

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

Sun - Rise: 08:15, Set: 16:48, Transit: 12:32. Moon - Rise: 13:00, Set: 03:37. Civil Dark: 17:23 - 07:40. Nautical Dark: 18:02 - 07:01. Astro Dark: 18:39 - 06:24

Total Clouds (% Sky Obscured)

0
0
0
0
2
2
11
27
17
15
2
2
48
75
84
82
83
78
69
60
55
55
52
39

Low Clouds (% Sky Obscured)

0
0
0
0
1
1
11
27
17
15
1
1
41
69
80
78
79
73
66
60
55
55
52
39

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
2
6
11
17
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)

1
1
2
2
3
3
3
3
4
4
4
3
4
4
4
6
8
10
11
11
11
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
84
86
84
84
85
85
85
85
82
82
82
85
81
78
77
73
67
63
59
61
70
74
79

Pressure (mb)

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

Ozone (du)

324
321
320
317
318
320
321
319
315
310
308
306
308
308
308
305
298
295
293
289
286
284
285
289

Tuesday 30

Waxing Gibbous 82%

13:34

05:03

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

Sun - Rise: 08:15, Set: 16:49, Transit: 12:32. Moon - Rise: 13:34, Set: 05:03. Civil Dark: 17:24 - 07:40. Nautical Dark: 18:03 - 07:01. Astro Dark: 18:40 - 06:24

Total Clouds (% Sky Obscured)

23
15
0
0
0
0
0
0
0
0
2
0
1
2
0
0
0
0
0
0
4
8
12
14

Low Clouds (% Sky Obscured)

23
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
12
10

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
0
1
1
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
1
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)

9
8
7
7
7
6
6
5
4
4
4
4
3
3
3
4
3
4
4
3
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-8
-9
-8
-9
-9
-9
-9
-10
-9
-10
-9
-9
-7
-5
-4
-4
-3
-3
-4
-5
-5

Dew Point (°C)

-6
-7
-9
-11
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
-13
-13
-13
-12
-11
-11
-11

Relative Humidity (%)

78
73
66
57
55
56
60
62
63
66
66
68
70
70
62
54
46
41
38
38
44
54
55
54

Pressure (mb)

1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1027
1027
1027
1028
1028
1028

Ozone (du)

297
305
317
328
336
340
347
356
356
351
348
346
347
345
346
345
343
340
337
334
334
334
333
335

Wednesday 31

Waxing Gibbous 91%

14:20

06:28

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 OK
11 Bad
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 08:15, Set: 16:50, Transit: 12:33. Moon - Rise: 14:20, Set: 06:28. Civil Dark: 17:25 - 07:40. Nautical Dark: 18:04 - 07:01. Astro Dark: 18:41 - 06:24

Total Clouds (% Sky Obscured)

13
14
10
5
0
0
0
2
3
13
4
13
15
15
39
52
35
64
79
99
83
70
55
55

Low Clouds (% Sky Obscured)

11
14
10
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2

Medium Clouds (% Sky Obscured)

6
3
2
1
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
2
2
13
3
13
13
7
19
28
26
54
76
99
72
47
40
40

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-7
-7
-7
-7
-8
-8
-8
-8
-8
-9
-9
-9
-8
-7
-6
-4
-2
-2
-2
-3
-4
-5
-5

Dew Point (°C)

-12
-12
-13
-13
-14
-14
-14
-15
-15
-15
-15
-14
-13
-12
-13
-13
-12
-11
-8
-7
-5
-4
-4
-4

Relative Humidity (%)

54
55
55
55
54
55
54
54
54
52
55
55
57
56
49
42
39
40
46
54
65
77
78
80

Pressure (mb)

1028
1027
1027
1026
1026
1025
1025
1024
1024
1023
1022
1022
1022
1021
1021
1019
1018
1017
1016
1015
1015
1015
1015
1015

Ozone (du)

333
332
332
331
334
335
334
332
331
330
332
331
329
325
325
327
330
327
325
327
327
326
326
326

Thursday 1

Waxing Gibbous 97%

15:23

07:44

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

Sun - Rise: 08:15, Set: 16:51, Transit: 12:33. Moon - Rise: 15:23, Set: 07:44. Civil Dark: 17:26 - 07:40. Nautical Dark: 18:05 - 07:01. Astro Dark: 18:42 - 06:24

Total Clouds (% Sky Obscured)

3
1
4
4
3
20
33
57
100
100
100
89
88
87
78
68
58
57
56
59
59
55
50
50

Low Clouds (% Sky Obscured)

2
0
0
0
1
13
28
42
45
48
55
53
55
54
42
31
23
19
14
8
12
19
29
25

Medium Clouds (% Sky Obscured)

0
0
0
0
0
10
17
25
20
20
20
0
0
0
0
0
0
0
1
2
6
9
9
35

High Clouds (% Sky Obscured)

0
0
2
2
2
20
33
57
100
100
100
35
25
25
32
29
23
29
32
40
16
25
37
50

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
6
3
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
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
1
2
2
6
9
10
23
26
18
2
2
0
1
1
0
0
0
0
9
12
12
31

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
7
8
8
8
8
9
10
10
4
4
4
5
6
8
7
6
6
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
76
73
72
74
72
69
70
71
72
74
74
71
67
65
60
57
53
59
63
69
77
86
98

Pressure (mb)

1015
1015
1015
1015
1014
1014
1014
1014
1014
1013
1013
1012
1011
1011
1010
1010
1009
1008
1008
1007
1007
1008
1008
1008

Ozone (du)

330
329
330
329
330
329
327
324
322
320
318
316
316
316
316
312
309
306
304
301
299
299
298
298

Friday 2

Waxing Gibbous 100%

16:40

08:43

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 08:15, Set: 16:52, Transit: 12:34. Moon - Rise: 16:40, Set: 08:43. Civil Dark: 17:27 - 07:40. Nautical Dark: 18:06 - 07:01. Astro Dark: 18:43 - 06:24

Total Clouds (% Sky Obscured)

71
89
92
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

30
30
37
48
55
58
66
69
79
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

59
85
90
95
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

61
62
75
86
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
88
82
90

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
2
2
1
1
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow

Precipitation Probability (%)

44
54
63
76
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0.3
0.3
0.5
0.9
1
1.2
1.3
1.6
2
2.7
2.2
2.1
2.5
2.1
1.8
1.5
1.6
1.7
1.8
1.8
1.6
1.4
2.7

Wind Speed/Direction (mph)

3
3
3
2
2
1
1
2
2
1
1
2
2
2
3
1
5
10
10
10
10
7
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
100
100
100
100
100
100
100
100
100
100
100
98
100
100
98
98
98
96
96
98
98
98

Pressure (mb)

1008
1007
1007
1006
1006
1005
1004
1004
1003
1002
1002
1001
1000
1000
1000
999
998
997
997
997
997
998
999
999

Ozone (du)

295
292
289
289
289
289
293
296
300
300
300
301
303
305
307
313
318
323
329
335
341
344
348
351

Saturday 3

Full Moon 99%

18:05

09:27

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: 08:15, Set: 16:53, Transit: 12:34. Moon - Rise: 18:05, Set: 09:27. Civil Dark: 17:28 - 07:40. Nautical Dark: 18:07 - 07:01. Astro Dark: 18:44 - 06:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
98
97
95
95
94
93

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
97
96
94
93
92
83
73
67

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
98
97
95
95
94
93

High Clouds (% Sky Obscured)

95
100
100
100
100
100
100
100
100
100
100
85
70
55
39
21
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
2
5
7
7
6

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
83
57
44
33
23

Precipitation Amount (mm)

3.8
5
3.6
3.4
3.2
3.1
2.7
2.2
1.9
1.5
1.1
0.8
0.5
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
98
98
98
98
98
96
98
96
94
92
91

Pressure (mb)

1000
1000
1001
1001
1002
1002
1003
1004
1005
1006
1007
1008
1008
1009
1010
1010
1011

Ozone (du)

352
353
354
352
350
347
345
342
340
340
340
341
344
348
351
353
354

Forecast for Wangen an der Aare, Oberaargau, Switzerland (47.24,7.66)

Generated: 28/12/25 20:38:37. Forecast: 28/12/25 to 03/01/26. Timezone: UTC+1.00