Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 82%

13:00

05:03

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

Sun - Rise: 08:15, Set: 16:48, Transit: 12:32. Moon - Rise: 13:00, Set: 05:03. Civil Dark: 17:23 - 07:40. Nautical Dark: 18:02 - 07:01. Astro Dark: 18:39 - 06:24

Total Clouds (% Sky Obscured)

84
67
78
79
79
90
87
70
67
30
34
48
58
63
50
42
37
33
29
29
29
24
29
31

Low Clouds (% Sky Obscured)

40
67
78
76
78
89
87
70
66
30
34
48
58
63
50
42
37
33
29
29
29
24
29
31

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 (%)

75
88
54
28
13
3
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
73
73
69
70
70
66
65
62
64
67
79
84
84
82
84
86
84
84
84
84
85
85
90

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1026
1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

304
302
302
300
303
297
290
285
283
283
282
282
286
288
293
301
314
331
346
352
352
349
343
335

Wednesday 31

Waxing Gibbous 91%

13:34

No Set

06 OK
07 OK
08 OK
09 OK
10 OK
11 Good
12 Good
13 Good
14 Good
15 Good
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 OK

Sun - Rise: 08:15, Set: 16:49, Transit: 12:32. Moon - Rise: 13:34, Set: No Set. Civil Dark: 17:24 - 07:40. Nautical Dark: 18:03 - 07:01. Astro Dark: 18:40 - 06:24

Total Clouds (% Sky Obscured)

30
29
28
24
21
5
1
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
8
22

Low Clouds (% Sky Obscured)

30
29
27
23
19
4
0
0
0
0
0
0
0
0
0
0
0
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
1
2
1
7
17

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-9
-8
-8
-6
-5
-4
-4
-4
-4
-5
-6
-6
-7
-8
-8
-8
-8
-8
-8
-9
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
81
69
58
48
44
42
48
56
54
54
52
53
52
52
54
54
56
59
62
67

Pressure (mb)

1028
1028
1028
1029
1029
1028
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1023
1023

Ozone (du)

335
335
335
334
332
332
331
331
328
326
328
326
325
325
326
326
326
326
327
326
322
318
318
316

Thursday 1

Waxing Gibbous 97%

14:20

06:28

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

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)

18
3
4
5
17
43
54
80
89
98
74
81
91
82
78
30
0
2
3
4
3
3
14
22

Low Clouds (% Sky Obscured)

0
0
0
1
1
1
0
0
0
0
0
0
0
1
1
1
0
1
1
1
1
1
10
19

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)

18
2
4
3
13
40
54
80
86
97
74
81
91
76
76
27
0
0
0
1
0
0
6
8

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
1

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

Chance of Frost

Temperature (°C)

-7
-7
-7
-7
-5
-3
-1
1
2
2
2
0
-1
-1
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3

Feels Like (°C)

-11
-10
-10
-9
-8
-5
-5
-2
-2
-3
-3
-2
-3
-4
-3
-4
-4
-3
-4
-4
-4
-4
-4
-4

Dew Point (°C)

-12
-12
-11
-11
-10
-8
-8
-7
-6
-6
-5
-4
-4
-4
-4
-4
-5
-5
-4
-4
-4
-4
-4
-4

Relative Humidity (%)

68
67
71
73
69
65
60
55
56
57
63
75
78
80
83
84
82
84
87
89
91
92
92
92

Pressure (mb)

1022
1022
1022
1021
1020
1019
1017
1016
1014
1014
1013
1013
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013

Ozone (du)

317
320
321
320
322
322
322
324
325
328
328
325
323
319
324
327
328
326
325
334
348
358
359
357

Friday 2

Waxing Gibbous 100%

15:23

07:44

06 OK
07 OK
08 OK
09 OK
10 OK
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

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)

30
33
29
28
29
55
73
81
90
100
99
99
99
99
100
100
98
96
94
92
92
93
78
68

Low Clouds (% Sky Obscured)

27
29
29
28
29
29
29
25
20
17
29
40
51
56
63
94
95
90
86
83
82
81
72
61

Medium Clouds (% Sky Obscured)

0
0
0
0
3
5
7
25
84
91
99
98
98
98
99
100
95
90
85
83
83
82
72
61

High Clouds (% Sky Obscured)

9
9
3
0
0
20
40
41
48
49
43
41
45
45
30
20
15
15
10
15
10
10
15
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
3
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

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

Precipitation Probability (%)

0
1
2
1
3
3
3
4
3
1
5
7
8
12
14
20
41
59
81
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.8
0.6
0.7
0.7
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
92
84
74
69
69
71
76
85
91
91
89
88
89
94
96
100
100
98
100
100
100

Pressure (mb)

1013
1013
1012
1012
1012
1011
1010
1009
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1005
1005
1004
1004
1003

Ozone (du)

356
355
356
354
349
343
331
319
308
305
298
291
287
287
285
287
286
284
281
284
287
288
292
298

Saturday 3

Full Moon 99%

16:40

08:43

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 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)

55
55
60
60
73
88
99
99
98
98
87
78
65
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

50
50
50
50
66
82
98
95
93
90
76
63
44
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

50
50
55
55
59
68
79
84
91
96
87
78
65
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

40
40
40
30
35
40
40
35
35
30
35
35
30
100
100
100
100
100
99
100
100
100
100
100

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

Precipitation Probability (%)

93
90
89
93
91
87
86
87
90
90
89
91
86
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.6
0.6
0.5
0.7
0.7
0.6
0.5
0.5
0.6
0.6
0.6
0.6
0.5
2
2.1
2.1
2.2
2.2
2.1
2.1
2.2
2.2
1.8
1.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1003
1003
1003
1004
1004
1004
1004
1003
1003
1004
1004
1004
1005
1005
999
999
999
999
999
998
999
999
999
1000

Ozone (du)

302
307
306
304
302
308
312
312
313
310
311
316
325
339
341
344
346
344
343
341
342
343
345
345

Sunday 4

Waning Gibbous 96%

18:05

09:27

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 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
90
80
69
79
89
100
97
96
94
97
97
95
82
66

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
92
83
74
68
62
56
71
82
94
90
86
83
73
69
70
78
66

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
89
74
66
75
75
75
70
75
75
65
60
50
30
13

High Clouds (% Sky Obscured)

100
94
90
86
70
59
55
37
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
1
1
4
6
9
9
9
9
7
5
3
2
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

Snow
Snow
Snow
Snow
Snow
Snow
Snow
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
86
84
82
78
73
67
59
60
60
58
58
56
53
49
44
39
35
29

Precipitation Amount (mm)

1.1
1.1
1
0.8
0.7
0.6
0.3
0.4
0.4
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-2
-3
-2
-2
-2
-2
-1
-1
-2
-2
-3
-4
-6
-7
-7
-7
-7
-8
-9
-9
-9
-9
-10
-11

Feels Like (°C)

-4
-4
-6
-6
-5
-5
-5
-5
-4
-4
-4
-4
-3
-3
-10
-10
-10
-10
-9
-7
-12
-13
-14
-15

Dew Point (°C)

-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-5
-7
-8
-8
-8
-8
-9
-10
-10
-10
-10
-11
-12

Relative Humidity (%)

98
96
96
98
96
92
87
86
89
91
96
94
94
94
92
94
92
92
90
90
90
90
88
90

Pressure (mb)

1000
1001
1002
1003
1004
1005
1005
1005
1006
1007
1008
1009
1010
1011
1012
1013
1013
1014
1015
1015
1016
1016
1017
1017

Ozone (du)

345
346
347
347
348
351
354
357
357
357
358
360
361
363
364
364
365
366
367
369
369
369
369
368

Monday 5

Waning Gibbous 91%

19:29

09:58

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:15, Set: 16:54, Transit: 12:34. Moon - Rise: 19:29, Set: 09:58. Civil Dark: 17:29 - 07:40. Nautical Dark: 18:08 - 07:01. Astro Dark: 18:45 - 06:24

Total Clouds (% Sky Obscured)

47
58
66
80
70
56
50
58
66
69
73
71
73
79
85
92
90
90
89

Low Clouds (% Sky Obscured)

47
58
66
80
70
56
50
58
66
69
73
71
73
79
84
89
87
85
83

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
9
17
25

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

20
19
17
17
17
14
10
10
9
7
8
7
3
8
7
2
6
7
7

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-16
-16
-17
-18
-17
-17
-16
-9
-9
-7
-7
-5
-4
-13
-13
-12
-13
-12

Dew Point (°C)

-13
-13
-13
-12
-12
-10
-9
-7
-7
-7
-6
-8
-10
-12
-12
-12
-12
-12
-12

Relative Humidity (%)

90
90
90
90
92
92
92
92
94
94
96
92
92
90
88
86
86
86
86

Pressure (mb)

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

Ozone (du)

368
367
368
369
370
371
372
372
372
373
373
376
379
382
383
383
383
388
392

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

Generated: 30/12/25 05:27:10. Forecast: 30/12/25 to 05/01/26. Timezone: UTC+1.00