Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 61%

12:23

01:01

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

Sun - Rise: 08:17, Set: 16:56, Transit: 12:37. Moon - Rise: 12:23, Set: 01:01. Civil Dark: 17:31 - 07:43. Nautical Dark: 18:09 - 07:05. Astro Dark: 18:46 - 06:28

Total Clouds (% Sky Obscured)

96
94
90
29
18
15
14
18
15
20
22
17
19
13
1
13
1
3
3
2
3
4
15
20

Low Clouds (% Sky Obscured)

5
5
13
14
13
11
10
14
12
20
22
17
19
13
1
13
1
2
2
2
2
3
15
20

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)

74
29
24
12
2
1
2
2
2
0
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
80
81
83
83
83
83
84
83
75
70
67
64
62
63
70
77
81
84
86
86
87
87
87

Pressure (mb)

1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1026
1025
1025
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025

Ozone (du)

336
338
337
335
335
333
333
332
333
334
334
334
333
333
329
328
328
329
330
332
335
336
334
334

Monday 29

Waxing Gibbous 72%

12:44

02:19

01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
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: 16:57, Transit: 12:37. Moon - Rise: 12:44, Set: 02:19. Civil Dark: 17:32 - 07:43. Nautical Dark: 18:10 - 07:05. Astro Dark: 18:46 - 06:28

Total Clouds (% Sky Obscured)

27
30
33
40
43
43
43
45
42
42
37
30
18
0
0
0
2
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

27
30
33
40
43
43
43
45
42
42
37
30
18
0
0
0
2
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
86
84
84
83
83
81
80
71
66
61
58
56
60
64
68
70
70
73
74
75
78
80

Pressure (mb)

1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1023
1022
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021

Ozone (du)

333
330
329
328
328
327
325
321
318
316
316
319
318
316
315
316
317
319
318
321
323
327
327
326

Tuesday 30

Waxing Gibbous 82%

13:10

03:40

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

Sun - Rise: 08:17, Set: 16:58, Transit: 12:38. Moon - Rise: 13:10, Set: 03:40. Civil Dark: 17:33 - 07:43. Nautical Dark: 18:11 - 07:05. Astro Dark: 18:47 - 06:28

Total Clouds (% Sky Obscured)

0
0
1
1
3
3
2
2
2
2
4
4
11
14
12
4
8
17
29
33
41
44
47
49

Low Clouds (% Sky Obscured)

0
0
1
1
2
3
2
2
2
2
4
3
11
14
12
2
8
17
28
32
41
44
47
49

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
1
1
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
3
3
4
5
7
9
13
15
17
18
19
19
19
19
20
19
20
20
20
19
18
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
-0
-1
-2
-1
-2
-4
-5
-6
-6
-5
-5
-4
-3
-5
-6
-8
-8
-9
-10
-10
-10
-10
-11

Dew Point (°C)

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

Relative Humidity (%)

81
84
84
86
87
84
84
77
71
69
70
72
70
70
72
74
78
80
78
78
78
81
82
81

Pressure (mb)

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

Ozone (du)

327
327
324
322
321
318
313
312
312
314
311
309
305
301
298
294
292
293
294
296
296
294
296
299

Wednesday 31

Waxing Gibbous 91%

13:45

05:05

01 OK
02 OK
03 Good
04 OK
05 OK
06 OK
07 OK
08 Good
09 OK
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 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)

40
27
13
19
23
25
22
17
22
9
10
10
1
1
0
0
0
0
0
0
1
1
1
0

Low Clouds (% Sky Obscured)

40
27
13
19
23
25
22
17
22
9
10
10
1
1
0
0
0
0
0
0
1
1
1
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 (%)

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
1
2
0
0
0
1
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)

15
14
13
11
11
10
8
7
7
6
6
6
6
7
7
7
7
7
7
6
5
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-11
-11
-11
-11
-11
-10
-10
-10
-9
-8
-6
-5
-4
-4
-4
-5
-6
-6
-6
-5
-5
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

78
76
75
76
76
75
76
75
73
68
62
57
52
48
46
46
49
53
55
56
57
58
59
61

Pressure (mb)

1024
1024
1024
1024
1025
1025
1025
1025
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024

Ozone (du)

304
308
312
317
320
320
322
330
341
352
353
349
347
348
347
346
342
339
337
336
336
335
336
337

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 Good
10 OK
11 OK
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: 08:18, 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)

0
2
4
5
5
5
5
5
6
28
36
67
72
77
82
80
77
65
73
87
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
1
1
1
1
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
7
16
27

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
10
13
17
16
20
47
72
100

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
2
5
13
35
51
71
48
26
0
33
67
100
100
100
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
65
66
66
67
67
69
69
67
61
53
48
47
50
52
56
58
60
61
62
63
63
65
68

Pressure (mb)

1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1021
1020
1019
1018
1017
1016
1016
1016
1016
1015
1015
1015
1014
1014

Ozone (du)

337
338
337
337
337
336
336
335
332
333
337
341
339
339
338
338
336
335
333
335
336
337
334
330

Friday 2

Waxing Gibbous 100%

15:35

07:44

01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 Good
07 Good
08 OK
09 OK
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: 08:17, 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)

93
84
75
51
28
5
10
15
35
67
85
100
100
100
100
100
100
100
99
96
96
97
98
99

Low Clouds (% Sky Obscured)

34
36
39
27
14
0
7
15
35
48
56
55
62
70
77
85
92
100
93
87
83
88
92
96

Medium Clouds (% Sky Obscured)

87
73
60
47
28
5
10
15
35
67
85
100
100
100
100
100
100
100
97
91
87
97
98
96

High Clouds (% Sky Obscured)

68
37
5
0
0
5
10
10
10
38
66
94
66
38
25
30
30
20
20
20
15
10
10
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
6
5
4
2
1
1
2
2
2
3
3
3
2

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

3
3
1
7
7
3
5
5
2
18
27
36
63
86
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.6
1.1
1.2
1.3
1.7
1.5
1.1
1.2
1.2
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
69
66
65
67
69
71
70
70
69
76
83
89
93
94
96
96
96
96
96
96
94
94
94

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1011
1011
1010
1010
1009
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006

Ozone (du)

326
324
321
319
316
313
310
312
313
314
314
313
313
310
306
303
299
296
293
293
294
295
293
291

Saturday 3

Full Moon 100%

16:52

08:44

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)

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: 28/12/25 01:12:05. Forecast: 28/12/25 to 03/01/26. Timezone: UTC+1.00