The 14-day temperature forecast for Penticton on 8/26 is 24 C, or 75 F.
http://www.theweathernetwork.com/index.php?product=fourteenday&placecode=cabc0218
Keep in mind that the trend will change every day… even though today’s trend for race day looks great. Let’s hope it stays. It would be nice to not have to run in 40 degree heat.