Memorial Day: Not the Start of Summer Here!

May 23, 2012

It’s common knowledge that Memorial Day Weekend to Labor Day Weekend is generally the summer vacation and/or travel season.  Schools start getting out after Memorial Day (somehow my kids are done a week from Friday) and the weather improves quite a bit.  BUT, west of the Cascades in the Pacific Northwest that’s not quite the case.  Take the average high for May 28th…70 degrees here in Portland.  That IS within 12 degrees of the hottest average high of the year (82 in late July and early August), but that’s the same as October 1st!  We sure don’t consider early October to be a great time to visit the mountains and/or go camping west of the Cascades due to the cooler days and chilly nights.  But lots of people will be out in the great outdoors this weekend.  Check out the past 5 years here in Portland:

Only one (2009) of those Memorial Day weekends saw nice weather with sunshine and warm temps.  In 2008 we had record rain Saturday night with a great round of thunderstorms…remember that?

This weekend doesn’t look so great.  The best weather still appears to be Friday, although now our RPM is showing a shower trying to pop up in the northerly flow over us.  Still, a good 10-12 degrees warmer than tomorrow’s cold shower day (hail and thunder likely by the way).  Saturday should be dry and partly cloudy; temps about average.  Then Sunday and Monday will be cool with lots of clouds and maybe a few showers.

Chief Meteorologist Mark Nelsen