Complete 2015 Long-Range Weather Forecast for the Pacific Northwest Region, November 2014 to October 2015 includes week-by-week details.
Free 2-Month Weather Forecast
SEPTEMBER 2014: temperature 61.5° (0.5° above avg.); precipitation 4" (2.5" above avg.); Sep 1-4: Sunny, very warm; Sep 5-18: Heavy rain, then rainy periods, seasonable; Sep 19-25: Showers, cool; Sep 26-29: Sunny, turning warm; Sep 30: Rain.
OCTOBER 2014: temperature 56° (2° above avg.); precipitation 3" (avg.); Oct 1-7: Rain, then sunny, cool; Oct 8-12: Rain, then sunny, cool; Oct 13-14: Sunny, warm; Oct 15-23: Rainy periods; cool, then mild; Oct 24-27: Showers, mild; Oct 28-31: Rainy, mild.
Annual Weather Summary: November 2014 to October 2015
Winter temperatures will be higher than normal, with below-normal snowfall. Precipitation will be below normal in Washington and Oregon and near normal in northern California. The coldest periods will be in late December, mid- to late January, and late February, with the snowiest periods in late December and mid- to late January.
April and May will be slightly drier than normal, with near-normal temperatures.
Summer will be drier than normal, with temperatures near normal in the north and above elsewhere. The hottest periods will occur in mid- and late June and early to mid-July.
September and October will be cooler and drier than normal.