


NWS Forecast for: Middle Chehalis River Valley Issued by: National Weather Service Seattle, WA Last Update: 304 AM PDT Fri Oct 3 2025 | ![]() |
Today: Partly sunny. Patchy fog in the morning. A slight chance of showers late in the afternoon. Highs in the mid 60s to lower 70s. Light wind becoming west to 10 mph in the afternoon. Tonight: Mostly cloudy. A chance of showers in the evening, then a slight chance of showers after midnight. Lows near 50. West wind to 10 mph in the evening becoming light. Saturday: Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the 60s. Light wind. Saturday Night: Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the lower to mid 40s. Light wind. Sunday: Sunny. Highs in the mid 60s to lower 70s. Light wind becoming northeast to 10 mph in the afternoon. Sunday Night: Clear. Lows in the lower 40s. Monday: Sunny. Highs in the lower 70s. Monday Night: Clear. Lows in the lower to mid 40s. Tuesday: Sunny. Highs in the lower to mid 70s. Tuesday Night: Mostly clear. Lows in the mid 40s. Wednesday: Mostly sunny. A slight chance of rain in the morning, then a chance of rain in the afternoon. Highs in the upper 60s. Wednesday Night: Mostly cloudy with a chance of rain. Lows in the lower to mid 40s. Thursday: Mostly cloudy with a chance of rain. Highs in the mid to upper 60s. | |
Zone Forecast: Middle Chehalis River Valley | |
Visit your local NWS office at: https://www.weather.gov/sew |