Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 82%

13:46

05:02

20 Bad
21 Bad
22 OK
23 OK
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
19 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)

78
61
48
38
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
1

Low Clouds (% Sky Obscured)

2
1
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
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
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-6
-5
-6
-6
-6
-6
-6
-6
-6
-6
-7
-8
-7
-4
-1
-1
-1
-1
-1
-1
-4
-7
-8

Dew Point (°C)

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

Relative Humidity (%)

84
81
79
78
76
73
72
70
69
69
67
67
66
65
60
55
54
56
59
62
72
82
82
80

Pressure (mb)

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

Ozone (du)

289
292
295
297
298
298
305
305
304
307
310
316
323
320
321
320
316
314
313
313
314
312
313
315

Wednesday 31

Waxing Gibbous 91%

14:33

06:26

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 Bad
14 OK
15 Good
16 Good
17 OK
18 OK
19 Good

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
2
2
2
4
2
2
2
2
8
11
65
33
4
2
34
28
3

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
1
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
2
1
1
2
2
2
2
2
7
9
65
31
4
2
14
14
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
73
69
66
62
61
61
61
61
60
59
57
55
54
49
41
38
40
43
47
59
66
67
66

Pressure (mb)

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

Ozone (du)

316
314
315
314
313
312
311
313
312
309
310
312
311
313
315
317
318
320
319
323
323
322
321
323

Thursday 1

Waxing Gibbous 97%

15:37

07:40

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

2
10
22
11
23
29
4
4
6
5
3
8
32
6
30
30
21
26
25
25
40
58
79
84

Low Clouds (% Sky Obscured)

0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
4
58
65
65

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
30
30
21
26
25
25
37
35
33
47

High Clouds (% Sky Obscured)

1
3
4
2
4
5
0
1
1
1
0
2
4
1
5
0
2
1
1
0
22
45
69
63

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
1
1
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

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
4
32
40
41
39
49

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
67
68
70
72
72
72
72
71
71
69
68
68
66
60
54
51
53
57
64
71
77
83
89

Pressure (mb)

1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1012
1010
1009
1008
1008
1007
1007
1007
1007
1008

Ozone (du)

323
322
317
316
311
310
307
311
311
310
309
307
311
313
312
312
310
309
309
307
306
306
306
303

Friday 2

Waxing Gibbous 100%

16:53

08:41

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
19 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)

89
94
96
98
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
50
40
35
35
51
73
93
95
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

68
92
95
98
100
100
100
100
100
100
100
100
100
100
100
100
84
76
65
50
45
35
20
15

High Clouds (% Sky Obscured)

56
52
68
84
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
95
100

ISS Passover

Visibility (miles)

1
0
0
0
0
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
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 (%)

64
79
95
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
0.7
1.1
1.4
2
2.2
2
1.9
1.5
1.4
1.5
1.8
1.6
1.4
1.4
1.6
1.7
1.8
2.3
1.9
1.9
2.1
1.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
94
98
98
98
98
98
98
98
100
98
100
98
98
98
98
98
98
98
100
100
98
98
98

Pressure (mb)

1007
1007
1006
1005
1005
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002
1001
1001
1001
1002
1002
1002

Ozone (du)

297
296
294
289
287
285
286
290
296
295
295
295
297
298
303
313
317
320
318
317
318
324
336
341

Saturday 3

Full Moon 99%

18:16

09:25

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 OK
19 OK

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
98
89
90
91
84
76
69
71
75
78
58
35
18
20

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
71
73
79
73
66
57
56
57
57
50
35
18
20

Medium Clouds (% Sky Obscured)

15
15
25
30
30
35
35
35
35
30
25
0
0
0
1
3
3
19
40
58
58
35
18
20

High Clouds (% Sky Obscured)

99
99
67
35
2
22
42
62
75
87
95
0
0
0
11
21
26
21
18
19
15
8
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
1
3
4
6
7
8
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

Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
17
16
15
15
13
6
11
10
5
7
5
1
1

Precipitation Amount (mm)

1.8
1.9
1.8
1.8
1.9
1.8
1.8
1.8
1.7
1.6
1.5
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-3
-4
-6
-6
-6
-7
-8
-9
-10
-10
-11
-11
-10
-9
-8
-8
-6
-4
-5
-4
-4
-6
-5

Dew Point (°C)

1
-1
-2
-3
-4
-4
-4
-5
-6
-7
-8
-8
-8
-7
-6
-6
-5
-3
-4
-4
-3
-6
-10
-12

Relative Humidity (%)

98
96
98
96
96
94
94
94
94
92
90
90
89
89
85
82
79
77
80
84
91
87
82
78

Pressure (mb)

1003
1003
1003
1004
1005
1005
1005
1006
1006
1007
1007
1008
1010
1011
1011
1011
1011
1010
1010
1011
1011
1012
1014
1015

Ozone (du)

345
352
343
339
336
337
332
327
326
326
329
331
332
334
335
337
339
341
345
349
353
355
356
357

Sunday 4

Waning Gibbous 96%

19:38

09:58

20 OK
21 OK
22 OK
23 OK
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 OK
17 OK
18 OK
19 OK

Sun - Rise: 08:14, Set: 17:04, Transit: 12:39. Moon - Rise: 19:38, Set: 09:58. Civil Dark: 17:38 - 07:41. Nautical Dark: 18:16 - 07:03. Astro Dark: 18:52 - 06:27

Total Clouds (% Sky Obscured)

22
30
25
19
5
0
0
0
0
0
0
0
0
2
2
2
0
2
3
4
14
24
33
26

Low Clouds (% Sky Obscured)

22
30
25
19
5
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
8
12
5
3

Medium Clouds (% Sky Obscured)

22
30
25
19
5
0
0
0
0
0
0
0
0
2
2
2
0
1
1
0
1
2
2
2

High Clouds (% Sky Obscured)

0
0
1
2
4
0
0
0
0
0
0
0
0
2
2
2
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
1
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
1
0
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)

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

Chance of Frost

Temperature (°C)

-9
-10
-11
-11
-12
-12
-12
-12
-13
-13
-13
-13
-11
-9
-7
-5
-3
-1
-3
-3
-3
-7
-9
-12

Feels Like (°C)

-11
-12
-13
-14
-14
-14
-15
-15
-16
-16
-16
-16
-15
-15
-14
-13
-12
-11
-4
-4
-4
-5
-5
-6

Dew Point (°C)

-12
-13
-15
-15
-16
-17
-17
-17
-18
-18
-18
-18
-16
-13
-11
-9
-7
-6
-6
-5
-4
-8
-11
-14

Relative Humidity (%)

77
75
72
70
69
67
67
66
65
64
64
64
66
69
73
72
72
71
76
84
92
89
87
83

Pressure (mb)

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

Ozone (du)

359
360
361
361
361
360
359
358
357
359
361
363
365
367
368
370
371
373
372
371
371
372
373
375

Monday 5

Waning Gibbous 91%

No Rise

10:23

20 OK
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 OK
08 OK
09 OK
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:14, Set: 17:06, Transit: 12:40. Moon - Rise: No Rise, Set: 10:23. Civil Dark: 17:39 - 07:40. Nautical Dark: 18:17 - 07:03. Astro Dark: 18:53 - 06:27

Total Clouds (% Sky Obscured)

19
12
9
6
3
2
1
0
1
2
3
23
37
39
54
58
73

Low Clouds (% Sky Obscured)

1
2
3
2
1
1
0
0
0
0
0
5
10
17
31
46
65

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
1
1
2
22
37
39
54
58
73

High Clouds (% Sky Obscured)

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
8
7
6
4
2

Fog (%)

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

Precipitation Probability (%)

2
0
1
1
0
2
2
0
2
2
1
4
7
7
20
27
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
9
10
11
11
11
10
10
9
8
8
8
5
1
0
0
0

Chance of Frost

Temperature (°C)

-11
-11
-12
-13
-13
-13
-13
-13
-13
-12
-12
-12
-10
-8
-6
-4
-3

Feels Like (°C)

-13
-14
-15
-15
-15
-15
-16
-16
-16
-16
-16
-16
-15
-14
-14
-12
-10

Dew Point (°C)

-13
-14
-16
-16
-17
-17
-17
-18
-18
-17
-17
-17
-15
-13
-10
-8
-6

Relative Humidity (%)

80
78
76
75
71
70
70
67
66
66
66
66
66
68
70
75
81

Pressure (mb)

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

Ozone (du)

375
375
375
376
377
378
381
383
386
393
400
407
401
394
387
384
381

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

Generated: 30/12/25 20:27:14. Forecast: 30/12/25 to 05/01/26. Timezone: UTC+1.00