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
AUGUST 2014: temperature 66° (avg.); precipitation 0.5" (0.5" below avg.); Aug 1-7: Sunny, turning warm; Aug 8-16: Scattered showers, then sunny, warm; Aug 17-23: Showers, then sunny, cool; Aug 24-31: Scattered showers, then sunny, warm.
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.
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.