Weather Forecast and Radar for Mattawa, Washington

Weather in Mattawa, WA

Mattawa, Washington, United States has a temperate climate with warm, dry summers and mild, wet winters. During the summer months of June, July, and August, the average temperature is a warm 76°F, with highs reaching up to 95°F on the hottest days. The winter months of December, January, and February bring much cooler temperatures, with the average temperature dropping to 38°F, and lows reaching down to 12°F or lower on the coldest days. Spring and fall months bring mild temperatures, with the average temperature in May, September, and October ranging from 50°F to 65°F. Rainfall is fairly consistent throughout the year, with the most precipitation occurring in the winter months and the least in summer.

Fast Facts About Mattawa, WA

As of 2020, the city population is 5040.

Major Cities Nearby Mattawa, WA

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Mattawa, Washington.