Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 61%

12:22

02:17

06 Bad
07 OK
08 OK
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 Good
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 08:14, Set: 16:57, Transit: 12:36. Moon - Rise: 12:22, Set: 02:17. Civil Dark: 17:31 - 07:40. Nautical Dark: 18:09 - 07:02. Astro Dark: 18:45 - 06:26

Total Clouds (% Sky Obscured)

62
48
38
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
1
1
1
1
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)

10
8
7
10
7
2
2
3
1
1
0
3
4
4
5
5
5
3
3
5
6
7
8
9

Chance of Frost

Temperature (°C)

-1
-1
-1
0
3
7
10
10
10
9
6
3
2
2
2
2
1
2
1
1
1
1
1
0

Feels Like (°C)

-4
-3
-3
-3
1
7
9
10
10
9
6
2
1
0
0
0
-2
-1
-1
-2
-2
-2
-2
-2

Dew Point (°C)

-10
-10
-10
-10
-7
-4
-1
1
1
2
1
-1
-2
-3
-3
-4
-5
-5
-6
-6
-6
-7
-7
-8

Relative Humidity (%)

49
49
49
48
48
47
47
50
53
63
70
74
72
70
68
65
64
63
61
60
58
57
56
54

Pressure (mb)

1025
1025
1024
1024
1023
1021
1020
1020
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022

Ozone (du)

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

Monday 29

Waxing Gibbous 72%

12:44

03:38

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 Good
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 08:14, Set: 16:58, Transit: 12:36. Moon - Rise: 12:44, Set: 03:38. Civil Dark: 17:32 - 07:40. Nautical Dark: 18:10 - 07:03. Astro Dark: 18:46 - 06:26

Total 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

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
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)

8
9
9
9
7
4
1
1
1
1
0
3
6
6
6
7
8
8
7
6
3
3
2
1

Chance of Frost

Temperature (°C)

0
0
-1
0
4
8
10
11
11
10
7
4
3
2
1
1
0
0
-1
-1
-1
-2
-2
-2

Feels Like (°C)

-2
-2
-3
-2
3
7
10
11
11
9
7
3
1
-0
-1
-2
-2
-2
-2
-3
-3
-3
-4
-4

Dew Point (°C)

-8
-9
-9
-9
-6
-3
-1
0
1
3
1
-1
-3
-4
-5
-6
-7
-7
-8
-8
-8
-8
-8
-8

Relative Humidity (%)

53
52
51
49
48
47
44
46
50
62
67
71
69
66
64
61
60
58
57
57
58
60
62
63

Pressure (mb)

1022
1022
1022
1022
1021
1020
1019
1018
1017
1017
1018
1019
1019
1019
1020
1020
1020
1019
1020
1019
1019
1019
1019
1019

Ozone (du)

322
323
320
316
311
311
311
312
313
313
314
314
314
313
315
316
320
321
320
319
320
319
319
321

Tuesday 30

Waxing Gibbous 82%

13:10

05:02

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

Sun - Rise: 08:15, Set: 16:59, Transit: 12:37. Moon - Rise: 13:10, Set: 05:02. Civil Dark: 17:33 - 07:40. Nautical Dark: 18:11 - 07:03. Astro Dark: 18:47 - 06:27

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
2
3
3
18
19
17
18
12
1
1
1
1
1
1
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
2
2
2
18
19
17
18
12
1
1
1
1
1
1
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
8
6
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
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
65
67
65
61
60
62
63
66
71
80
92
92
92
91
86
84
81
79
78
76
75
73
73

Pressure (mb)

1018
1018
1019
1019
1018
1018
1017
1017
1016
1017
1017
1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1023

Ozone (du)

319
319
317
311
312
309
311
310
308
306
296
289
290
289
291
296
297
302
304
303
304
305
309
312

Wednesday 31

Waxing Gibbous 91%

13:46

No Set

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 Good
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 08:15, Set: 17:00, Transit: 12:37. Moon - Rise: 13:46, Set: No Set. Civil Dark: 17:34 - 07:41. Nautical Dark: 18:11 - 07:03. Astro Dark: 18:47 - 06:27

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
1
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
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-9
-10
-10
-9
-9
-7
-7
-6
-6
-5
-6
-7
-8
-8
-9
-10
-11
-12
-12
-12
-12
-13
-13

Relative Humidity (%)

72
72
70
68
62
56
56
55
55
57
67
79
81
78
76
73
66
63
60
60
57
56
55
54

Pressure (mb)

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

Ozone (du)

314
316
320
326
327
328
331
330
332
334
333
332
331
331
330
329
326
323
322
322
325
329
330
329

Thursday 1

Waxing Gibbous 97%

14:33

06:26

06 Good
07 Good
08 Good
09 OK
10 OK
11 Good
12 Bad
13 OK
14 Bad
15 Bad
16 OK
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: 17:00, Transit: 12:38. Moon - Rise: 14:33, Set: 06:26. Civil Dark: 17:35 - 07:41. Nautical Dark: 18:12 - 07:03. Astro Dark: 18:48 - 06:27

Total Clouds (% Sky Obscured)

6
6
4
35
46
6
62
23
64
69
27
64
95
91
92
94
96
98
100
100
100
100
97
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
10
15
25
39

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
9
14
15
41
71
100
100
100
100
73
47

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
10
18
27
18
10
6
12
28
39
62
82
100
100
100
100
68
33

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2
1

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
10
13
14
35
47

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-13
-12
-12
-11
-10
-10
-9
-8
-6
-5
-6
-7
-7
-7
-6
-6
-6
-5
-5
-6
-5
-5
-4

Relative Humidity (%)

54
53
52
51
45
39
34
34
35
42
52
58
58
58
60
62
65
62
61
60
58
58
57
68

Pressure (mb)

1020
1020
1020
1020
1019
1017
1016
1015
1015
1014
1014
1015
1015
1015
1015
1014
1014
1014
1013
1012
1012
1011
1011
1010

Ozone (du)

331
331
329
329
329
332
331
328
330
332
334
337
335
334
333
331
330
329
328
327
323
320
317
316

Friday 2

Waxing Gibbous 100%

15:37

07:40

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: 17:01, Transit: 12:38. Moon - Rise: 15:37, Set: 07:40. Civil Dark: 17:35 - 07:41. Nautical Dark: 18:13 - 07:03. Astro Dark: 18:49 - 06:27

Total Clouds (% Sky Obscured)

90
85
80
70
76
81
95
100
100
100
100
100
100
100
100
100
99
98
99
98
99
98
98
97

Low Clouds (% Sky Obscured)

70
60
55
35
25
25
25
30
35
45
77
93
100
99
98
97
92
87
82
85
90
94
93
90

Medium Clouds (% Sky Obscured)

20
20
25
30
42
62
86
97
100
100
100
100
100
92
83
75
65
73
81
81
80
79
85
90

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
15
15
5
10
10
15
15
25
25
25
40
55
60
70
75
90

ISS Passover

Visibility (miles)

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

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 (%)

56
73
89
95
95
95
95
95
95
95
95
95
95
95
95
95
95
93
87
91
91
92
95
95

Precipitation Amount (mm)

0.2
0.4
0.6
0.9
1
1.2
1.6
1.4
1.4
1.3
1.3
1.5
1.9
1.7
1.5
1.4
0.8
0.6
0.5
0.7
0.6
0.6
0.8
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
92
94
96
98
98
98
100
100
100
98
100
100
100
100
98
98
98
100
100
100
98
98
100

Pressure (mb)

1010
1010
1009
1009
1009
1008
1007
1006
1006
1006
1006
1006
1007
1007
1007
1008
1008
1008
1008
1008
1008
1009
1009
1009

Ozone (du)

316
315
314
313
312
313
314
314
313
312
311
310
309
308
308
308
308
311
314
317
317
318
318
314

Saturday 3

Full Moon 99%

16:53

08:41

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: 17:02, Transit: 12:39. Moon - Rise: 16:53, Set: 08:41. Civil Dark: 17:36 - 07:41. Nautical Dark: 18:14 - 07:03. Astro Dark: 18:50 - 06:27

Total Clouds (% Sky Obscured)

95
91
87
83
86
89
96
97
97
100
100
96
95
90
75
55
55
35
30

Low Clouds (% Sky Obscured)

80
66
51
41
49
51
53
61
69
76
71
59
55
55
55
55
55
35
30

Medium Clouds (% Sky Obscured)

90
85
87
83
86
89
96
97
97
95
95
95
95
90
75
55
55
29
1

High Clouds (% Sky Obscured)

95
91
87
83
86
55
55
58
59
54
36
17
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
91
75
60
47
37

Precipitation Amount (mm)

0.9
1
1.1
1.2
1.1
1.3
1.3
1.5
2
2.2
1.7
1.3
1.3
1
0.7
0.5
0.3
0.2
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
98
100
98
100
98
100
100
98
98
100
100
98
98
98
98
96
96

Pressure (mb)

1009
1009
1009
1010
1010
1010
1010
1010
1010
1011
1012
1013
1014
1015
1015
1016
1017
1017
1017

Ozone (du)

310
307
306
305
303
303
302
301
303
305
306
308
310
312
321
329
338
341
344

Forecast for Ugine, Savoy, France (45.75,6.42)

Generated: 28/12/25 05:49:55. Forecast: 28/12/25 to 03/01/26. Timezone: UTC+1.00