Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waxing Gibbous 82%

13:02

03:37

22 Bad
23 OK
00 OK
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 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 08:15, Set: 16:50, Transit: 12:32. Moon - Rise: 13:02, Set: 03:37. Civil Dark: 17:25 - 07:40. Nautical Dark: 18:04 - 07:01. Astro Dark: 18:41 - 06:24

Total Clouds (% Sky Obscured)

61
47
37
0
0
0
0
0
0
1
3
3
3
4
3
3
3
17
24
46
48
47
47
47

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
2
1
2
2
1
1
17
24
46
47
46
46
47

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
6
6
6

Fog (%)

0
0
0
0
0
0
0
35
34
27
23
20
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-8
-8
-8
-9
-9
-9
-8
-7
-8
-7
-7
-7
-7
-7
-6
-6
-6
-6
-6
-6
-6
-7

Relative Humidity (%)

75
72
69
71
69
68
69
70
76
81
84
81
73
68
63
60
61
63
72
87
89
90
89
89

Pressure (mb)

1021
1021
1022
1022
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1024
1024
1025
1025
1026
1026

Ozone (du)

330
332
332
329
329
327
322
318
315
313
304
303
305
304
297
289
287
284
285
287
287
290
290
294

Tuesday 30

Waxing Gibbous 91%

13:36

05:03

22 Bad
23 Bad
00 OK
01 OK
02 OK
03 OK
04 Good
05 OK
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
20 Good
21 Good

Sun - Rise: 08:15, Set: 16:51, Transit: 12:33. Moon - Rise: 13:36, Set: 05:03. Civil Dark: 17:26 - 07:40. Nautical Dark: 18:05 - 07:01. Astro Dark: 18:42 - 06:24

Total Clouds (% Sky Obscured)

47
41
28
26
19
24
3
15
3
3
2
1
1
1
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

46
38
23
21
17
20
2
14
2
2
2
1
1
1
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
0
0
0
0
0

ISS Passover

Visibility (miles)

7
6
8
8
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
2
6
9
8
5
5
10
15
20
23
21
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-7
-8
-8
-8
-8
-8
-8
-9
-9
-10
-10
-10
-11
-11
-12
-12
-11
-10
-11
-11
-12
-11

Relative Humidity (%)

89
89
89
89
90
90
90
92
89
87
88
80
69
59
51
49
47
48
56
67
67
67
66
63

Pressure (mb)

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

Ozone (du)

295
304
314
328
335
344
344
340
337
335
333
336
335
332
331
329
328
327
326
326
327
330
330
330

Wednesday 31

Waxing Gibbous 91%

14:23

06:27

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

Sun - Rise: 08:15, Set: 16:52, Transit: 12:33. Moon - Rise: 14:23, Set: 06:27. Civil Dark: 17:27 - 07:40. Nautical Dark: 18:06 - 07:01. Astro Dark: 18:42 - 06:24

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
3
5
6
4
5
6
50
84
95
80
88
50
35
3
4
4

Low 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

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
2
2
3
5
3
3
5
47
84
95
80
88
37
30
2
1
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
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)

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

Chance of Frost

Temperature (°C)

-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-5
-3
-1
1
2
3
2
1
-1
-2
-2
-2
-3

Feels Like (°C)

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

Dew Point (°C)

-12
-13
-13
-13
-13
-14
-14
-14
-14
-14
-13
-13
-13
-13
-13
-12
-11
-8
-6
-6
-6
-5
-5
-6

Relative Humidity (%)

61
58
58
57
56
54
53
52
54
53
54
51
44
38
34
34
37
47
58
70
74
75
78
79

Pressure (mb)

1025
1024
1024
1023
1023
1023
1022
1021
1021
1021
1020
1020
1019
1017
1016
1014
1013
1013
1013
1014
1014
1015
1015
1015

Ozone (du)

331
329
329
327
325
323
320
321
323
322
326
328
328
326
327
327
327
327
331
332
322
328
332
330

Thursday 1

Waxing Gibbous 97%

15:26

07:42

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 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 08:15, Set: 16:53, Transit: 12:34. Moon - Rise: 15:26, Set: 07:42. Civil Dark: 17:28 - 07:40. Nautical Dark: 18:06 - 07:01. Astro Dark: 18:43 - 06:24

Total Clouds (% Sky Obscured)

4
2
3
4
0
0
0
0
0
0
0
0
0
0
0
0
0
4
71
83
90
93
97
100

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
20
32
86
91
96

High Clouds (% Sky Obscured)

2
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
14
29
35
54
77
100

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-5
-6
-5
-6
-6
-6
-6
-6
-6
-6
-3
-1
0
1
1
1
1
-5
-6
-6
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

79
76
75
73
73
70
69
69
66
64
62
58
52
47
47
47
47
53
65
74
71
67
63
62

Pressure (mb)

1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1011
1010
1009
1008
1008
1008
1008
1007
1007
1006
1005

Ozone (du)

324
322
329
345
354
356
356
360
359
359
359
354
347
327
311
304
300
295
288
287
286
285
285
285

Friday 2

Waxing Gibbous 100%

16:43

08:42

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
20 Bad
21 Bad

Sun - Rise: 08:15, Set: 16:54, Transit: 12:34. Moon - Rise: 16:43, Set: 08:42. Civil Dark: 17:29 - 07:40. Nautical Dark: 18:07 - 07:01. Astro Dark: 18:44 - 06:25

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)

3
6
12
71
87
94
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
76
54
42

ISS Passover

Visibility (miles)

9
8
3
3
2
5
1
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

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

Precipitation Probability (%)

3
15
19
26
36
53
86
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
1
1.2
1.4
1.7
2.1
2.2
2.2
2.2
2.7
2.3
1.8
2
1.8
1.7
1.8
1.8
1.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-8
-4
-3
-2
-1
-1
-1
-1
-1
-1
-0
-0
-1
-1
-1
-1
-1
-1
-2
-2
-2

Relative Humidity (%)

60
58
56
60
73
78
86
96
98
98
98
98
98
98
100
98
100
98
98
98
98
98
98
96

Pressure (mb)

1005
1004
1003
1002
1002
1001
1001
1000
999
999
999
999
999
998
998
997
997
997
997
997
997
997
997
997

Ozone (du)

286
285
283
283
286
286
287
294
298
297
299
306
302
299
301
300
304
309
313
321
329
336
339
342

Saturday 3

Full Moon 99%

18:07

09:26

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
20 Bad
21 Bad

Sun - Rise: 08:14, Set: 16:55, Transit: 12:35. Moon - Rise: 18:07, Set: 09:26. Civil Dark: 17:30 - 07:40. Nautical Dark: 18:08 - 07:01. Astro Dark: 18:45 - 06:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
78
55
50
66
81
91
93
94
96
93
89
84

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
97
95
75
55
34
61
81
91
91
90
90
88
86
84

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
78
55
41
45
30
29
34
35
35
30
30
30

High Clouds (% Sky Obscured)

42
64
82
73
59
43
26
11
5
15
25
45
65
55
50
53
30
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
3
6
9
9
8
7
6
4
3
3
2
2
4
7

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
Snow
Snow
Snow

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
90
84
80
78
73
66
59
54
53
52
53

Precipitation Amount (mm)

1.6
1.6
1.5
1.7
1.9
2.1
1.8
1.4
1.1
0.9
0.8
0.8
0.7
0.6
0.5
0.5
0.5
0.4
0.3
0.2
0.2
0.2
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-2
-3
-3
-4
-4
-4
-4
-5
-5
-6
-6
-6
-6
-6
-5
-5
-5
-6
-7
-8
-10
-12
-13
-13

Feels Like (°C)

-5
-4
-5
-4
-7
-7
-7
-8
-7
-8
-9
-9
-10
-10
-10
-11
-6
-7
-7
-7
-8
-9
-16
-15

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
94
96
94
96
94
94
94
92
90
90
89
92
92
96
94
90
88
88
86

Pressure (mb)

998
998
998
999
1000
1000
1001
1002
1003
1003
1004
1005
1006
1006
1007
1007
1008
1009
1009
1011
1012
1013
1014
1014

Ozone (du)

345
339
334
328
331
333
335
339
343
347
348
349
350
351
353
354
355
356
356
358
360
362
361
360

Sunday 4

Waning Gibbous 96%

19:31

09:57

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

Sun - Rise: 08:14, Set: 16:56, Transit: 12:35. Moon - Rise: 19:31, Set: 09:57. Civil Dark: 17:31 - 07:40. Nautical Dark: 18:09 - 07:01. Astro Dark: 18:46 - 06:25

Total Clouds (% Sky Obscured)

70
48
31
21
11
15
14
13
15
13
12
10
10
11
11
9
14
15
29
42
55

Low Clouds (% Sky Obscured)

70
48
31
21
11
14
13
12
15
13
12
10
10
11
11
9
14
15
29
36
33

Medium Clouds (% Sky Obscured)

30
20
20
20
11
15
13
7
0
0
0
0
0
0
0
0
0
0
12
23
35

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
7
8

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

Precipitation Probability (%)

54
57
62
56
51
48
42
34
24
19
13
3
3
1
0
1
1
1
2
2
0

Precipitation Amount (mm)

0.2
0.3
0.3
0.3
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-13
-13
-13
-13
-13
-14
-14
-14
-15
-15
-14
-13
-13
-11
-10
-8
-8
-9
-9
-10
-11

Feels Like (°C)

-16
-16
-16
-16
-16
-16
-16
-17
-17
-17
-18
-18
-18
-18
-18
-17
-10
-9
-8
-9
-9

Dew Point (°C)

-15
-15
-15
-16
-16
-16
-17
-17
-17
-18
-17
-16
-15
-14
-13
-11
-11
-11
-10
-12
-13

Relative Humidity (%)

84
84
83
81
81
81
79
77
78
77
77
78
79
78
77
77
82
87
92
90
86

Pressure (mb)

1015
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1019
1018
1019
1019
1019
1020
1021

Ozone (du)

360
361
362
363
364
365
366
370
373
377
379
381
384
382
381
380
379
378
378
381
383

Forecast for Niedermuhlern, Bern-Mittelland District, Switzerland (46.86,7.47)

Generated: 29/12/25 22:12:06. Forecast: 29/12/25 to 04/01/26. Timezone: UTC+1.00