Weather WorldTri, WA 7-Day Night Weather Forecast
314 N Underwood St, Kennewick, WA 99336 (509)783-6014 Golf Course Type: Semi-Private Holes: 18Quick Weather Clicks
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Tri, WA Weather Forecast
Tri, WA Weather Forecast Date: 402 AM PDT Sun Oct 25 2026
The area/counties/county of: Lower Columbia Basin Of Washington, Cities.or toggle through each period.
Today... Mostly cloudy. Areas of frost and patchy fog in the morning. Highs in the upper 50s to lower 60s. Light wind, becoming north 5 to 10 mph in the afternoon.
Tonight... Mostly cloudy. A 20% chance of rain showers overnight. Patchy fog overnight. Lows in the mid 30s to lower 40s. North wind 5 to 10 mph in the evening, becoming light.
Monday... Mostly cloudy. A 20% chance of rain showers in the morning. Patchy fog in the morning. Highs in the mid to upper 50s. Light wind, becoming southwest 5 to 10 mph in the afternoon.
Monday Night... Mostly cloudy. Lows in the upper 30s to lower 40s. Southwest wind 5 to 10 mph.
Tuesday... Mostly sunny. Highs in the upper 50s to lower 60s. Southwest wind 5 to 10 mph with gusts to around 25 mph.
Tuesday Night... Partly cloudy. Lows in the mid 30s to lower 40s. Highs in the mid 50s to lower 60s.
Wednesday... Partly cloudy. Lows in the mid 30s to lower 40s. Highs in the mid 50s to lower 60s.
Wednesday Night... Mostly cloudy with a 20% chance of rain showers. Lows in the lower to mid 30s.
Thursday... Partly sunny. Highs in the lower to mid 50s.
Thursday Night... Partly cloudy with a 20% chance of rain showers. Lows in the mid 20s to lower 30s. Highs in the upper 40s to mid 50s.
Friday... Partly cloudy with a 20% chance of rain showers. Lows in the mid 20s to lower 30s. Highs in the upper 40s to mid 50s.
POP = Probability of Precipitation
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