Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

First Quarter 49%

12:04

00:59

05 Bad
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 OK
01 OK
02 Bad
03 OK
04 Good

Sun - Rise: 08:14, Set: 16:56, Transit: 12:35. Moon - Rise: 12:04, Set: 00:59. Civil Dark: 17:30 - 07:40. Nautical Dark: 18:08 - 07:02. Astro Dark: 18:44 - 06:26

Total Clouds (% Sky Obscured)

78
61
47
37
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
28
41
53
42
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
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
28
41
53
42
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)

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

Chance of Frost

Temperature (°C)

2
2
2
1
2
5
8
11
12
12
11
8
5
4
3
2
1
1
1
0
-0
-0
-1
-1

Feels Like (°C)

-1
-1
-1
-1
-1
2
6
10
11
12
11
7
4
1
0
-1
-2
-2
-2
-2
-3
-3
-4
-4

Dew Point (°C)

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

Relative Humidity (%)

66
66
66
66
65
62
55
53
52
55
66
70
71
66
62
59
57
56
55
54
53
52
51
51

Pressure (mb)

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

Ozone (du)

376
371
367
362
359
356
353
349
345
342
341
338
334
332
330
328
328
328
327
326
326
328
329
328

Sunday 28

Waxing Gibbous 61%

12:22

02:17

05 Good
06 Good
07 OK
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

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)

3
18
21
3
2
2
2
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)

1
9
11
1
1
1
1
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)

9
9
10
9
9
5
1
1
2
2
2
1
3
5
5
5
4
4
3
3
4
4
5
6

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
0
3
6
8
9
9
8
5
2
1
1
1
1
0
1
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
50
50
50
49
47
45
45
46
52
62
70
73
71
67
66
64
62
61
60
58
57
56
55

Pressure (mb)

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

Ozone (du)

329
330
330
330
331
331
330
330
331
329
327
327
327
327
326
326
327
328
326
325
324
323
321
321

Monday 29

Waxing Gibbous 72%

12:44

03:38

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
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 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
1
2
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-2
-2
-2
2
7
10
11
11
10
6
2
0
-1
-1
-2
-2
-3
-3
-2
-3
-3
-4

Dew Point (°C)

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

Relative Humidity (%)

53
52
51
49
47
46
43
42
42
47
58
64
67
65
61
58
55
54
52
53
53
54
55
56

Pressure (mb)

1023
1023
1023
1023
1023
1023
1021
1020
1019
1019
1019
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

320
319
319
319
318
316
315
313
311
308
308
306
305
305
305
307
306
305
303
304
305
305
306
305

Tuesday 30

Waxing Gibbous 82%

13:10

05:02

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
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 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
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1
2
1
2
0
2
0
0
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
1
0
0
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
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
1
1
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
57
57
57
56
51
49
48
52
56
63
76
87
84
83
81
78
75
75
73
73
73
73
75

Pressure (mb)

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

Ozone (du)

306
306
308
310
311
313
313
311
309
306
304
301
296
289
288
284
283
284
286
285
285
287
290
292

Wednesday 31

Waxing Gibbous 91%

13:46

05:02

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
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 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)

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

Low Clouds (% Sky Obscured)

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

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)

1
1
2
1
1
1
0
0
0
0
0
0
1
1
1
0
0
0
0
1
1
1
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
76
76
76
75
65
60
57
56
57
59
71
86
87
86
81
79
75
75
73
72
72
73
73

Pressure (mb)

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

Ozone (du)

295
299
301
305
304
307
307
308
312
319
324
329
334
335
336
335
334
333
336
340
343
343
342
342

Thursday 1

Waxing Gibbous 97%

14:33

06:26

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
20 Good
21 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 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)

1
2
2
1
1
2
2
2
1
0
0
1
2
2
7
12
21
45
70
94
93
92
88
87

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
0
1
2
2
7
12
21
43
54
64
63
61
59
60

Medium Clouds (% Sky Obscured)

1
2
2
1
0
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
18
36
54
67

High Clouds (% Sky Obscured)

0
0
0
1
1
2
2
2
1
0
0
1
0
0
0
1
2
9
16
37
52
58
70
72

ISS Passover

Visibility (miles)

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

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
0
0
0
0
0
0
1
2
1
1
1
1
1
1
0
1
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
72
70
66
60
56
54
52
51
55
59
63
69
75
82
83
81
82
84
84
87
87
87
89

Pressure (mb)

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

Ozone (du)

341
341
340
337
335
332
329
327
324
324
324
324
326
327
329
330
332
333
334
335
335
336
337
337

Friday 2

Waxing Gibbous 100%

15:37

07:40

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
20 Bad
21 Bad
22 Bad
23 Bad
00 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)

86
80
75
75
75
80
85
95
96
97
100
100
98
98
96
92
89
88
89
92

Low Clouds (% Sky Obscured)

53
15
10
5
10
25
30
35
50
63
74
78
77
80
83
86
89
86
83
79

Medium Clouds (% Sky Obscured)

80
80
75
75
75
80
85
95
96
97
95
86
77
68
46
28
9
7
4
2

High Clouds (% Sky Obscured)

82
80
75
75
75
60
18
0
0
0
0
2
3
4
1
0
0
33
67
92

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

13
14
24
31
37
47
56
64
63
66
70
64
59
57
45
35
21
22
21
14

Precipitation Amount (mm)

0
0
0
0
0
0.1
0.2
0.3
0.3
0.3
0.4
0.3
0.3
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
87
89
87
87
88
89
88
91
93
94
94
96
96
96
96
94
94
92

Pressure (mb)

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

Ozone (du)

360
382
404
402
401
399
389
380
370
364
358
352
349
345
342
331
319
307
303
298

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

Generated: 27/12/25 05:31:19. Forecast: 27/12/25 to 02/01/26. Timezone: UTC+1.00