Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 31

Waxing Gibbous 91%

13:45

05:05

01 Bad
02 OK
03 OK
04 OK
05 OK
06 Bad
07 OK
08 OK
09 Good
10 OK
11 OK
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

Sun - Rise: 08:17, Set: 16:59, Transit: 12:38. Moon - Rise: 13:45, Set: 05:05. Civil Dark: 17:33 - 07:43. Nautical Dark: 18:11 - 07:05. Astro Dark: 18:48 - 06:29

Total Clouds (% Sky Obscured)

44
35
36
24
41
46
30
14
11
14
15
10
1
1
0
0
0
0
0
0
0
2
0
1

Low Clouds (% Sky Obscured)

30
35
36
24
41
46
29
14
9
12
12
8
1
1
0
0
0
0
0
0
0
1
0
1

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
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)

19
18
18
17
17
16
15
15
15
15
15
14
13
12
11
9
7
6
6
4
3
1
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-10
-9
-10
-10
-10
-9
-9
-8
-7
-6
-4
-3
-2
-2
-2
-5
-5
-6
-5
-5
-5
-5
-5

Dew Point (°C)

-6
-6
-6
-6
-6
-6
-6
-6
-6
-7
-7
-7
-7
-7
-8
-8
-10
-10
-10
-10
-10
-9
-9
-9

Relative Humidity (%)

81
81
81
82
81
79
79
79
78
72
64
59
54
51
49
49
54
56
59
61
63
65
66
66

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

292
300
302
304
307
313
320
319
318
318
317
316
314
312
315
312
310
311
314
314
313
316
319
319

Thursday 1

Waxing Gibbous 97%

14:32

06:29

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

Sun - Rise: 08:18, Set: 17:00, Transit: 12:39. Moon - Rise: 14:32, Set: 06:29. Civil Dark: 17:34 - 07:43. Nautical Dark: 18:12 - 07:05. Astro Dark: 18:49 - 06:29

Total Clouds (% Sky Obscured)

1
1
4
4
4
5
4
4
21
3
37
43
69
50
20
32
30
38
17
3
1
2
3
3

Low Clouds (% Sky Obscured)

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

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
2
2
2
1
2
2
18
2
28
43
69
49
18
32
30
33
12
2
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
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
3
3
3
3
3
3
4
5
6
8
9
9
9
8
7
7
6
6
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
68
69
69
69
70
70
68
66
59
52
49
47
48
54
61
69
71
73
72
74
77
78
81

Pressure (mb)

1024
1023
1023
1022
1022
1021
1021
1020
1020
1020
1019
1017
1015
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1014

Ozone (du)

316
315
313
314
315
314
315
315
314
317
322
326
329
331
329
329
329
329
327
326
323
326
324
321

Friday 2

Waxing Gibbous 100%

15:35

07:44

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

Sun - Rise: 08:17, Set: 17:01, Transit: 12:39. Moon - Rise: 15:35, Set: 07:44. Civil Dark: 17:35 - 07:43. Nautical Dark: 18:13 - 07:05. Astro Dark: 18:50 - 06:29

Total Clouds (% Sky Obscured)

5
6
4
4
4
6
8
4
4
4
4
20
60
49
28
40
100
84
69
43
5
7
11
14

Low Clouds (% Sky Obscured)

4
4
2
2
3
4
5
3
3
3
3
3
3
3
1
1
1
2
1
1
1
5
8
12

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
40
48
29
22
21
4
2
2
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
5
4
0
0
0
5
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
81
81
83
83
83
83
78
70
66
66
63
62
64
71
80
83
83
83
83
83
83
84

Pressure (mb)

1014
1014
1014
1014
1013
1013
1013
1013
1013
1012
1012
1011
1010
1009
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009

Ozone (du)

323
323
324
328
338
342
346
352
351
346
342
339
330
321
311
306
301
297
294
294
295
294
297
298

Saturday 3

Full Moon 100%

16:52

08:44

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

Sun - Rise: 08:17, Set: 17:02, Transit: 12:40. Moon - Rise: 16:52, Set: 08:44. Civil Dark: 17:36 - 07:43. Nautical Dark: 18:14 - 07:05. Astro Dark: 18:50 - 06:29

Total Clouds (% Sky Obscured)

16
22
41
17
38
31
29
27
40
31
34
45
61
69
57
65
81
95
93
88
43
36
27
23

Low Clouds (% Sky Obscured)

14
21
41
14
38
31
29
27
40
31
34
45
57
56
32
41
55
68
73
77
43
36
27
20

Medium Clouds (% Sky Obscured)

4
8
11
7
28
25
25
25
2
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
17
34
51
65
80
90
63
30
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
0
1
2
2
4
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
9
12
20
23
38
47
41
34
35
13
20
9
8
7
5
3
2
6
9
9
13
6
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-4
-4
-4
-4
-4
-3
-3
-4
-7
-8
-10
-11
-11
-9
-8
-7
-8
-7
-8
-8
-7
-8

Relative Humidity (%)

84
84
84
83
84
86
87
89
86
77
60
50
42
38
38
47
60
68
71
71
71
71
71
71

Pressure (mb)

1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1014
1014

Ozone (du)

299
302
306
320
327
327
321
320
322
319
319
321
322
332
345
354
351
348
358
355
351
355
358
358

Sunday 4

Waning Gibbous 99%

18:16

09:28

01 OK
02 OK
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
20 Good
21 Good
22 Good
23 Good
00 OK

Sun - Rise: 08:17, Set: 17:03, Transit: 12:40. Moon - Rise: 18:16, Set: 09:28. Civil Dark: 17:37 - 07:43. Nautical Dark: 18:15 - 07:05. Astro Dark: 18:51 - 06:29

Total Clouds (% Sky Obscured)

22
20
18
4
3
2
3
1
1
1
0
0
0
0
0
0
0
0
0
0
0
5
13
24

Low Clouds (% Sky Obscured)

19
17
16
4
3
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
5
13
24

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
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 (%)

2
2
0
1
1
0
1
1
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
4
5
6
7
9
11
11
13
14
15
17
17
17
17
16
15
15
15
15
15
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-8
-8
-8
-8
-9
-9
-9
-8
-8
-8
-8
-8
-8
-8
-9
-9
-9
-9
-9
-8
-8
-9

Relative Humidity (%)

70
70
73
72
72
72
72
70
68
63
58
52
50
50
51
52
53
56
58
61
63
67
67
69

Pressure (mb)

1014
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018

Ozone (du)

347
344
343
344
345
343
342
344
348
348
349
350
351
352
353
354
355
357
358
359
360
361
363
364

Monday 5

Waning Gibbous 96%

19:38

10:01

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

Sun - Rise: 08:17, Set: 17:04, Transit: 12:41. Moon - Rise: 19:38, Set: 10:01. Civil Dark: 17:38 - 07:43. Nautical Dark: 18:16 - 07:05. Astro Dark: 18:52 - 06:29

Total Clouds (% Sky Obscured)

30
34
39
50
59
68
62
59
58
64
68
65
53
38
27
26
25
15
17
24
23
25
26
27

Low Clouds (% Sky Obscured)

30
34
39
50
59
66
58
57
58
54
50
45
32
18
5
4
3
3
3
5
6
9
13
16

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
11
17
18
4
4
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
30
60
65
53
38
27
26
25
15
17
24
23
25
26
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
73
74
76
76
77
76
73
73
67
62
57
58
59
60
64
69
75
76
78
78
79
81

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1021
1020
1020
1020
1020
1020
1020
1021
1021
1022
1022
1023
1023
1023

Ozone (du)

365
364
363
362
362
362
362
364
366
367
369
371
373
374
375
377
378
379
380
385
390
394
397
399

Tuesday 6

Waning Gibbous 91%

20:57

10:25

Sun - Rise: 08:17, Set: 17:05, Transit: 12:41. Moon - Rise: 20:57, Set: 10:25. Civil Dark: 17:39 - 07:43. Nautical Dark: 18:17 - 07:05. Astro Dark: 18:53 - 06:29

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Plainpalais, Geneva, Switzerland (46.20,6.14)

Generated: 31/12/25 01:44:48. Forecast: 31/12/25 to 06/01/26. Timezone: UTC+1.00