A thick cloud cover
Partly cloudy and much colder; extreme cold can be dangerous for outdoor activities late
Rises at 7:24 AM with 10:10 of sunlight, then sets at 5:34 PM
Rises at 6:37 PM with 13:20 of moolight, then sets at 7:57 AM
Aug 30, 2012; 5:00 AM ET If you're longing to ski the Alps or swim in the Great Barrier Reef, you may be running out of time. A changing climate may beat you to the punch line. Valerie Smock has more.