Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 61%

12:44

02:17

19 Bad
20 OK
21 OK
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 Good
17 Good
18 Good

Sun - Rise: 08:14, Set: 16:58, Transit: 12:36. Moon - Rise: 12:44, Set: 02:17. Civil Dark: 17:32 - 07:40. Nautical Dark: 18:10 - 07:03. Astro Dark: 18:46 - 06:26

Total Clouds (% Sky Obscured)

61
47
37
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
66
64
64
64
63
61
59
58
57
55
53
52
51
50
50
48
45
47
49
60
66
69
69

Pressure (mb)

1021
1021
1021
1021
1022
1021
1022
1022
1022
1022
1022
1022
1022
1023
1023
1022
1021
1019
1018
1018
1018
1019
1019
1020

Ozone (du)

322
323
325
326
323
320
322
321
321
321
321
320
318
318
315
313
313
312
313
313
313
314
312
309

Monday 29

Waxing Gibbous 72%

13:10

03:38

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
13 Good
14 Good
15 Good
16 Good
17 Good
18 OK

Sun - Rise: 08:15, Set: 16:59, Transit: 12:37. Moon - Rise: 13:10, Set: 03:38. 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
0
0
0
0
0
0
0
0
0
0
0
1
1
3
3
2
18

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
2
18

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
65
62
60
59
56
57
58
59
60
63
63
65
66
65
61
58
61
63
66
71
80
92
94

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1018
1017
1017
1016
1016
1017
1019
1019

Ozone (du)

309
311
315
317
317
317
319
322
322
325
323
321
321
318
316
313
311
314
316
315
307
297
291
293

Tuesday 30

Waxing Gibbous 82%

13:46

05:02

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

Sun - Rise: 08:15, Set: 17:00, Transit: 12:37. Moon - Rise: 13:46, Set: 05:02. Civil Dark: 17:34 - 07:41. Nautical Dark: 18:11 - 07:03. Astro Dark: 18:47 - 06:27

Total Clouds (% Sky Obscured)

15
12
14
2
1
1
1
1
1
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1

Low Clouds (% Sky Obscured)

15
12
14
2
1
1
1
1
1
0
0
0
0
1
1
1
1
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)

5
6
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
1
1
0
1
0
0
2
0
2
1
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
89
84
82
84
81
79
75
73
70
70
70
72
72
69
63
60
58
58
59
61
70
84
84

Pressure (mb)

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

Ozone (du)

293
293
297
302
306
311
312
311
313
314
316
320
322
328
333
336
340
344
344
343
340
338
337
338

Wednesday 31

Waxing Gibbous 91%

14:33

06:26

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

0
0
0
0
0
0
0
0
0
1
1
2
2
20
29
35
5
5
11
27
52
87
89
90

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
1
1
1
1
8
6
1
1
2
11
27
40
48
57
64

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
76
73
70
69
66
64
63
61
60
58
57
56
55
52
47
41
37
36
36
41
51
59
60

Pressure (mb)

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

Ozone (du)

338
339
339
339
338
337
333
331
329
327
326
327
328
329
331
328
326
325
324
322
321
321
324
325

Thursday 1

Waxing Gibbous 97%

15:37

07:40

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 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)

85
68
60
70
60
65
70
70
80
86
91
96
90
90
90
90
90
90
95
90
90
93
98
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
3
4
7
13
21
37
49
46
42
44
45
45
50
70

Medium Clouds (% Sky Obscured)

0
0
2
0
0
4
3
3
64
65
70
75
45
35
25
20
20
35
35
25
25
47
73
100

High Clouds (% Sky Obscured)

41
21
0
0
0
0
0
0
0
0
0
5
0
5
5
10
15
30
35
35
20
5
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
2
4
7
9
6
3
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
1
19
26
30
26
21
15
23
27
28
37
45
51

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
0.2

Wind Speed/Direction (mph)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-8
-8
-8
-8
-8
-9
-9
-10
-10
-10
-10
-10
-8
-7
-6
-6
-6
-5
-4
-2
0
0
0

Relative Humidity (%)

60
59
60
60
60
60
58
58
57
57
56
54
53
53
53
52
49
48
46
57
72
89
91
94

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1012
1012
1012
1011
1010
1009
1009
1009
1009
1009
1009

Ozone (du)

326
325
325
322
319
319
319
318
319
318
317
317
314
310
306
301
301
300
299
299
299
299
301
304

Friday 2

Waxing Gibbous 100%

16:53

08:41

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 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)

100
100
99
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)

60
55
35
45
65
85
90
94
98
99
100
100
100
100
100
100
100
100
98
96
95
96
98
100

Medium Clouds (% Sky Obscured)

97
94
92
95
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

30
59
88
92
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
3
6

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 (%)

61
72
82
94
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
0.5
0.7
0.9
1.1
1.3
1.6
2
1.8
1.8
1.6
1.4
1.3
1.3
1.4
1.4
1.7
1.4
1.3
1.3
1.2
1.3
1.4

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)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1009
1008
1008
1007
1006
1006
1005
1004
1004
1004
1003
1002
1002
1001
1001
1001
1001
1000
1000
999
998
998
998
998

Ozone (du)

307
308
309
310
305
299
293
292
291
290
291
291
291
295
299
303
307
310
314
315
316
317
324
331

Saturday 3

Full Moon 99%

18:16

09:25

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: 08:15, Set: 17:03, Transit: 12:39. Moon - Rise: 18:16, Set: 09:25. Civil Dark: 17:37 - 07:41. Nautical Dark: 18:15 - 07:03. Astro Dark: 18:51 - 06:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
96
93

Low Clouds (% Sky Obscured)

100
99
99
99
98
98
99
99
100
100
100
100
98
97
96
96
96
93

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
85
73

High Clouds (% Sky Obscured)

99
99
98
95
65
55
77
92
100
98
96
93
66
29
5
0
0
0

ISS Passover

Visibility (miles)

8
6
3
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

Precipitation Type

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
Very Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
91
75
56

Precipitation Amount (mm)

1.2
1.1
1
1.1
1.3
1.4
1.7
2.1
2.2
2.3
2.3
2.2
1.7
1.3
0.9
0.7
0.5
0.3

Wind Speed/Direction (mph)

0
0
0
0
0
0
0
1
0
1
1
0
0
0
0
0
0
0

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
98
98
98
100
100
98
100
98
98
96
96
94
94
94
93

Pressure (mb)

998
998
998
998
998
998
998
999
999
1000
1001
1002
1004
1005
1006
1007
1007
1007

Ozone (du)

338
342
346
351
350
349
348
342
336
330
328
326
323
322
322
321
325
329

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

Generated: 28/12/25 19:07:04. Forecast: 28/12/25 to 03/01/26. Timezone: UTC+1.00