Forest Grove, OR is located in the northern part of the Willamette Valley, and enjoys a mild climate year-round. Summers are dry with temperatures reaching into the high 80s and low 90s, while winters are wet with temperatures staying in the mid to upper 40s. Additionally, Forest Grove experiences roughly 10 inches of rain annually and can see snowfall during the winter months. Due to its location in the Willamette Valley, Forest Grove also receives moderate amounts of sunshine throughout the year.
Forest Grove (zip 97116), Oregon gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Forest Grove (zip 97116) averages 4 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 143 sunny days per year in Forest Grove (zip 97116). The US average is 205 sunny days.
Forest Grove (zip 97116) gets some kind of precipitation, on average, 156 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 81 degrees
Winter Low: the January low is 34
Rain: averages 42 inches of rain a year
Snow: averages 4 inches of snow a year