Weather WorldTri-Cities, WA 7-Day Night Weather Forecast
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Tri-Cities, WA Weather Forecast
Tri-Cities, WA Weather Forecast Date: 401 AM PDT Fri Oct 30 2026
The area/counties/county of: Lower Columbia Basin Of Washington, Cities.or toggle through each period.
Today... Mostly cloudy. Patchy fog in the morning. Highs in the lower to mid 50s. Northwest wind 5 to 10 mph.
Tonight... Partly cloudy. Patchy fog overnight. Lows in the lower to mid 30s. Light wind.
Saturday... Partly sunny. Patchy fog in the morning. Highs in the lower 50s. Light wind, becoming north 5 to 10 mph in the afternoon.
Saturday Night... Mostly cloudy with a 20% chance of rain showers. Patchy fog. Lows in the mid to upper 30s. Light wind.
Sunday... Mostly cloudy. Patchy fog. Highs in the 50s. Light wind.
Sunday Night... Partly cloudy. Lows in the lower to mid 30s. Highs in the lower to mid 50s.
Monday... Partly cloudy. Lows in the lower to mid 30s. Highs in the lower to mid 50s.
Monday Night... Mostly cloudy. Lows in the 30s. Highs in the lower to mid 50s.
Tuesday... Mostly cloudy. Lows in the 30s. Highs in the lower to mid 50s.
Wednesday... Mostly cloudy. Lows in the 30s. Highs in the lower to mid 50s.
POP = Probability of Precipitation
Tri-Cities Radar Loop
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