Rainy Forecast for South Beaverton, Oregon

Wet weather expected over the next 10 days with chances of rain nearly every day

Published on Mar. 9, 2026

The 10-day weather forecast for South Beaverton, Oregon calls for mostly cloudy skies with frequent rain showers and periods of steady rain. Temperatures will range from lows in the mid-30s to highs in the low 60s, with breezy winds from the southwest at times.

Why it matters

The rainy forecast is typical for the Pacific Northwest region, but the consistent precipitation over the next 10 days could impact outdoor activities, commutes, and other daily routines for residents of South Beaverton.

The details

The weather pattern will feature a series of low-pressure systems moving through the area, bringing waves of rainfall. Some of the heavier rain events are expected to produce up to a half-inch of precipitation. Winds will generally be light, but could pick up to 10-20 mph at times from the southwest.

  • Overnight lows will range from the mid-30s to upper 40s.
  • Daytime highs are forecast to be in the 40s and 50s.
  • The wettest day is expected to be Friday, with a 100% chance of rain and up to a half-inch of rainfall.
  • Rain showers are likely on most days, with the chance of precipitation ranging from 30% to 90%.
  • The best chance for drier weather appears to be on Monday and Tuesday, with a 40-50% chance of rain.

The players

The Weather Channel

A major U.S. media company that provides weather forecasts, news, and information across multiple platforms.

Weather.com

The official website of The Weather Channel, offering detailed weather data, forecasts, and analysis.

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The takeaway

Residents of South Beaverton should be prepared for a wet and unsettled weather pattern over the next 10 days, with rain showers and periods of steady rain likely on most days. It's a good idea to have rain gear, umbrellas, and flexibility in outdoor plans to account for the rainy forecast.