Washington · NWS PDT office

Kennewick, WA weather

It is 50°F and clear at Tri-Cities Airport as of Oct 28, 2:05 AM PDT. Overnight: Partly Cloudy, low near 42°F, 13% chance of precipitation. Forecast from the National Weather Service, issued Oct 27, 11:46 PM PDT.

Updated Oct 28, 2:17 AM PDT (snapshot)

Current conditions

Temperature

50°F

Clear

Wind

SW 17 mph

Humidity 66% · dew point 39°F

Pressure · visibility

29.95 inHg

Visibility 10 mi

Observed at Tri-Cities Airport (KPSC), Oct 28, 2:05 AM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Kennewick forecast zone right now.

Around the NWS PDT forecast area

No active alerts in zones served by the PDT office near Kennewick.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. Washington has 5 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Kennewick (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM44°FPartly Cloudy13%SW 23 mph
Wed 5 AM44°FMostly Cloudy12%SW 24 mph
Wed 6 AM44°FPartly Sunny12%SW 24 mph
Wed 7 AM43°FPartly Sunny12%SW 25 mph
Wed 8 AM44°FPartly Sunny6%SW 23 mph
Wed 9 AM46°FMostly Sunny6%SW 23 mph
Wed 10 AM49°FPartly Sunny6%SW 21 mph
Wed 11 AM51°FPartly Sunny11%SW 20 mph
Wed 12 PM53°FPartly Sunny11%SW 18 mph
Wed 1 PM55°FMostly Sunny11%SW 17 mph
Wed 2 PM55°FMostly Sunny8%SW 16 mph
Wed 3 PM57°FMostly Sunny8%SW 15 mph
Wed 4 PM56°FPartly Sunny8%SW 15 mph
Wed 5 PM55°FMostly Sunny3%SW 14 mph
Wed 6 PM53°FMostly Cloudy3%SW 13 mph
Wed 7 PM49°FMostly Clear3%SW 12 mph
Wed 8 PM48°FMostly Clear3%SW 12 mph
Wed 9 PM48°FPartly Cloudy3%SW 10 mph
Wed 10 PM46°FPartly Cloudy3%SW 9 mph
Wed 11 PM46°FPartly Cloudy1%SW 9 mph
Thu 12 AM44°FPartly Cloudy1%SW 8 mph
Thu 1 AM44°FMostly Clear1%SW 7 mph
Thu 2 AM43°FMostly Clear1%SW 6 mph
Thu 3 AM42°FMostly Clear1%SW 5 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Kennewick can differ.

7-day forecast

Overnight

Low 42°F

Partly cloudy. Low around 42, with temperatures rising to around 44 overnight. Southwest wind around 24 mph, with gusts as high as 33 mph.

Wednesday

High 58°F·Low 37°F

Partly sunny. High near 58, with temperatures falling to around 55 in the afternoon. Southwest wind 14 to 25 mph, with gusts as high as 36 mph.

Wednesday Night: Partly cloudy. Low around 37, with temperatures rising to around 39 overnight. Southwest wind 2 to 13 mph, with gusts as high as 23 mph.

Thursday

High 53°F·Low 38°F

Partly sunny, with a high near 53. Northwest wind 2 to 7 mph.

Thursday Night: Mostly cloudy, with a low around 38. Northwest wind 7 to 10 mph.

Friday

High 53°F·Low 34°F

Mostly sunny, with a high near 53.

Friday Night: Partly cloudy, with a low around 34.

Saturday

High 51°F·Low 38°F

Partly sunny, with a high near 51.

Saturday Night: Mostly cloudy, with a low around 38.

Sunday

High 54°F·Low 35°F

Mostly sunny, with a high near 54.

Sunday Night: Mostly clear, with a low around 35.

Monday

High 53°F·Low 36°F

Mostly sunny, with a high near 53.

Monday Night: Mostly cloudy, with a low around 36.

Tuesday

High 53°F

Partly sunny, with a high near 53.

Nearby cities

Other cities in Benton County

See every city we cover in Washington, or check all active alerts.

About this forecast

Forecast office
Kennewick is served by the National Weather Service PDT forecast office, forecast zone WAZ028, county zone WAC005.
Location used
The Census Bureau's internal point for Kennewick (46.1976, -119.1759), in Benton County. Population: 86,728 (2024 estimate), number 14 of the 58 Washington cities on this site.
Radar
Nearest NWS radar: KPDT. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/46.1976,-119.1759 (forecast issued Oct 27, 11:46 PM PDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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