By Rod Hill on 2013-06-25
90 degree temperatures are in the forecast for the first time this year. Weather charts show hot weather this coming Sunday, Monday & Tuesday. As July approaches, it should come as no surprise that hot weather is in the 7day forecast. Portland averages 13 days each year of 90 degree temperatures and hotter. Here is a list of the first 90 degree days over the past 10 years:
Year 1st 90 degree day Number of 90 degree days all year
2003 June 4 22 days
2004 June 17 12 days
2005 May 27 15 days
2006 May 15 21 days
2007 May 30 9 days
2008 May 16 15 days
2009 June 3 24 days (all time record)
2010 July 7 11 days
2011 Aug. 20 7 days
2012 Aug. 4 11 days
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CONCLUSION - WHAT TO EXPECT THIS SUMMER:
Notice that all years above the average number of 13, 90 degree days had their first hot day before June 10th. If this summer follows the pattern of the last 10 years, PDX will likely see 12 or less 90 degree or hotter days this summer.
Clouds to cover the peak viewing of "Supermoon"