Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 61%

12:44

02:19

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

Sun - Rise: 08:17, Set: 16:56, Transit: 12:37. Moon - Rise: 12:44, Set: 02:19. Civil Dark: 17:31 - 07:43. Nautical Dark: 18:09 - 07:05. Astro Dark: 18:46 - 06:28

Total Clouds (% Sky Obscured)

71
59
49
20
20
16
17
14
17
21
23
27
33
39
41
38
34
32
31
31
28
23
8
0

Low Clouds (% Sky Obscured)

17
15
15
18
18
16
17
13
17
21
23
27
33
39
41
38
31
32
31
31
28
23
8
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)

7
8
9
7
6
5
4
4
4
3
3
3
2
2
2
1
1
1
1
1
1
1
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
61
62
70
80
84
86
87
87
87
87
87
89
89
89
87
87
86
86
84
81
74
69
65

Pressure (mb)

1025
1025
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1023

Ozone (du)

331
329
328
325
324
325
328
330
331
333
332
331
331
329
328
328
329
328
325
322
321
320
320
319

Monday 29

Waxing Gibbous 72%

No Rise

03:40

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 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good

Sun - Rise: 08:17, Set: 16:57, Transit: 12:38. Moon - Rise: No Rise, Set: 03:40. Civil Dark: 17:32 - 07:43. Nautical Dark: 18:10 - 07:05. Astro Dark: 18:46 - 06:28

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
2
3
2
2
5
12
9

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
5
11
9

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
1
3
6
6
3
2
1
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
1
2
2
2
2
2
2
2
2
2
2
3
3
3
4
4
9
11
14
16
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
58
63
67
70
73
74
75
77
78
80
83
83
84
86
86
84
84
80
75
75
80
77
73

Pressure (mb)

1022
1021
1021
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1021
1021
1022
1022
1022
1021

Ozone (du)

318
319
317
317
318
319
319
320
321
325
325
324
324
323
321
321
320
320
315
316
317
315
316
314

Tuesday 30

Waxing Gibbous 82%

13:10

05:05

13 Good
14 Good
15 Good
16 OK
17 OK
18 OK
19 OK
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 OK
09 OK
10 Good
11 Good
12 Good

Sun - Rise: 08:17, Set: 16:58, Transit: 12:38. Moon - Rise: 13:10, Set: 05:05. Civil Dark: 17:33 - 07:43. Nautical Dark: 18:11 - 07:05. Astro Dark: 18:47 - 06:29

Total Clouds (% Sky Obscured)

3
5
11
15
16
13
40
64
69
67
66
66
69
68
75
75
65
59
50
29
24
18
13
1

Low Clouds (% Sky Obscured)

2
4
11
15
16
13
39
64
69
66
66
66
69
68
75
75
64
56
49
29
23
18
13
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
1
0
0
2
1
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)

18
18
18
19
20
20
20
19
18
17
17
16
15
14
13
13
12
11
10
10
10
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
70
71
74
77
80
81
83
84
81
76
73
73
73
75
73
72
72
72
69
64
59
55

Pressure (mb)

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

Ozone (du)

308
299
292
291
290
292
295
296
296
301
307
312
309
306
307
308
311
313
315
325
331
330
330
331

Wednesday 31

Waxing Gibbous 91%

13:45

06:29

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
06 OK
07 OK
08 OK
09 Good
10 OK
11 Bad
12 Bad

Sun - Rise: 08:18, Set: 16:59, Transit: 12:39. Moon - Rise: 13:45, Set: 06:29. Civil Dark: 17:33 - 07:43. Nautical Dark: 18:11 - 07:05. Astro Dark: 18:48 - 06:29

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
4
30
21
35
20
5
20
60
78

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
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
3
3
4
5
3
20
60
78

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)

9
10
10
10
9
8
8
6
4
3
2
1
0
1
2
3
3
3
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-9
-10
-10
-11
-11
-11
-11
-11
-11
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-9
-9

Relative Humidity (%)

48
44
44
47
51
52
54
53
55
57
58
59
60
61
64
65
68
69
69
67
65
57
52
49

Pressure (mb)

1025
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1021
1021
1020
1020
1020
1019
1019
1018
1016

Ozone (du)

332
334
335
333
331
331
331
332
330
328
326
327
326
326
327
326
325
327
329
330
327
325
324
323

Thursday 1

Waxing Gibbous 97%

14:32

07:44

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:17, Set: 17:00, Transit: 12:39. Moon - Rise: 14:32, Set: 07:44. Civil Dark: 17:34 - 07:43. Nautical Dark: 18:12 - 07:05. Astro Dark: 18:49 - 06:29

Total Clouds (% Sky Obscured)

100
100
100
98
96
95
96
98
100
91
83
78
82
86
90
93
95
96
95
95
94
92
87
79

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
4
63
63
64
71
77
83
88
93
96
95
95
94
89
84
77

Medium Clouds (% Sky Obscured)

0
0
0
53
60
60
67
83
100
81
65
48
47
46
50
46
38
31
25
18
19
19
15
20

High Clouds (% Sky Obscured)

100
100
100
96
91
87
59
31
8
7
11
15
20
15
20
5
5
0
0
0
5
10
5
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
9
4
7
7
7
7
5
3
1
3
5
7
6
5

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

Precipitation Probability (%)

0
0
0
0
0
0
0
2
6
20
44
52
65
61
54
60
65
68
70
66
57
61
57
44

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-6
-5
-6
-6
-6
-6
-5
-4
-3
-2
-2
0
0
1
1
1
2
2
2
2
2
2
3

Relative Humidity (%)

46
48
54
59
62
62
63
65
69
73
73
80
88
89
91
94
94
96
96
96
96
94
94
94

Pressure (mb)

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

Ozone (du)

324
324
324
326
329
330
331
331
332
332
331
328
325
323
321
319
317
316
315
312
310
308
305
302

Friday 2

Waxing Gibbous 100%

15:35

08:44

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:17, Set: 17:01, Transit: 12:40. Moon - Rise: 15:35, Set: 08:44. Civil Dark: 17:35 - 07:43. Nautical Dark: 18:13 - 07:05. Astro Dark: 18:50 - 06:29

Total Clouds (% Sky Obscured)

59
39
17
38
63
89
93
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
35
17
10
7
10
25
30
50
55
60
55
68
81
94
89
84
80
86
94
99
100
100
100

Medium Clouds (% Sky Obscured)

15
15
15
38
63
89
93
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

5
5
5
25
51
77
86
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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
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 (%)

65
77
87
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.3
0.4
0.4
0.7
0.9
1
0.9
0.9
0.8
0.8
0.8
0.8
0.9
1.2
0.9
1.4
1.6
1.8
1.9
2.1
2.4
2.1
2
2.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
3
3
3
3
3
3
3
3
3
4
4
5
5
4
4
5
5
4
5
5
5
5
5

Relative Humidity (%)

94
94
96
96
94
96
96
96
93
93
94
94
94
93
91
90
91
91
90
93
93
94
93
94

Pressure (mb)

1007
1007
1007
1006
1006
1006
1006
1005
1005
1005
1004
1004
1003
1003
1002
1002
1001
1000
1000
1000
1000
1000
999
999

Ozone (du)

299
298
296
295
296
297
298
298
297
296
299
302
305
303
302
301
300
300
300
301
302
304
302
301

Saturday 3

Full Moon 99%

16:52

09:28

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
06 Bad

Sun - Rise: 08:17, Set: 17:02, Transit: 12:40. Moon - Rise: 16:52, Set: 09:28. Civil Dark: 17:36 - 07:43. Nautical Dark: 18:14 - 07:05. Astro Dark: 18:50 - 06:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
96

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
89
84

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88
77
77

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

2.3
2.4
2.5
2.6
2.5
2.2
2.3
2.1
2.1
2.3
2.4
2.5
2.9
3.1
3.4
2.7
1.9
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
96
94
94
93
94
94
96
96
96
96
96
100
100
100
100

Pressure (mb)

998
998
998
998
998
998
998
998
999
999
999
1000
1000
1001
1003
1004
1005
1005

Ozone (du)

300
304
308
311
320
329
337
343
349
356
352
349
346
341
337
332
330
327

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

Generated: 28/12/25 13:10:23. Forecast: 28/12/25 to 03/01/26. Timezone: UTC+1.00