Mac Book Air in a hot car? [duplicate]
Macworld did some tests back in 2008 with heat ranges of the Macbook Air, http://www.macworld.com/article/1132216/mbair_temp.html. I wouldn't risk it though. You never know what could happen.
Yes, the Apple tech specs page lists:
Storage temperature: -13° to 113°F (-24° to 45°C)
According to the National Weather Service, when the outside temperature is 80°F, a parked car can reach 114°F in 30 minutes.
(Unrelated to the heat, most car insurance policies don't cover theft of items left in a car, so it's probably a bad idea even if the heat was OK.)