2021 Long Range Weather Forecast for Pacific Northwest

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Get the Long Range Weather for Your Location

See long range weather forecasts for the next 60 days from The Old Farmer’s Almanac! Our long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to sporting events and outdoor activities.

To see long term forecasts for the entire year, pick up a copy of The 2021 Old Farmer’s Almanac, available online and in stores.

Note: Long range forecasts are regional, not city-specific.

Free 2-Month Weather Forecast

April 2021 Long Range Weather Forecast for Pacific Northwest
DatesWeather Conditions
Apr 1-5Showers, mild
Apr 6-17Rainy periods, cool
Apr 18-23Sunny, turning warm
Apr 24-30Rainy periods, mild
Apriltemperature 50° (avg.)
precipitation 3" (avg.)

May 2021 Long Range Weather Forecast for Pacific Northwest
DatesWeather Conditions
May 1-9Showers, then sunny, warm
May 10-15Sunny, cool
May 16-24Rainy periods, cool
May 25-31Sunny, cool
Maytemperature 54° (1° below avg.)
precipitation 1.5" (0.5" below avg.)

Annual Weather Summary
November 2020 to October 2021

Winter temperatures and precipitation will be close to normal, on average, with below-normal snowfall. The coldest periods will occur in mid-January and early and late February. The snowiest periods will occur in early December and from mid- to late February. April and May will be slightly cooler and drier than normal. Summer will have slightly above-normal temperatures, on average, with above-normal precipitation. The hottest periods will be in mid-June, mid-July, and mid-August. September and October will be warmer and drier than normal.

Map showing Old Farmer's Almanac long range weather region number 15

About the Pacific Northwest Region

The Pacific Northwest long range weather region includes all or part of the following states: CALIFORNIA (Arcata, Eureka, Fortuna, McKinleyville), OREGON (Beaverton, Eugene, Gresham, Portland, Salem), WASHINGTON (Bellevue, Everett, Seattle, Tacoma, Vancouver).

Pacific Northwest Neighboring Regions

Here are the regions that neighbor the Pacific Northwest long range weather region:

Temperature and Precipitation November 2020 to October 2021

Temperature and Precipitation Chart, November 2020 to October 2021 for Pacific Northwest Region