National Weather Service Forecast for: 3 Miles E Kennewick WA
Issued by: National Weather Service Pendleton, OR
Updated: 11:46 pm PDT Aug 19, 2026
 
Overnight

Overnight: Mostly clear, with a low around 63. Calm wind.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 97. Light and variable wind.
Sunny
Thursday
Night
Thursday Night: Increasing clouds, with a low around 67. Calm wind.
Increasing
Clouds
Friday

Friday: Increasing clouds and hot, with a high near 99. Calm wind becoming northwest around 5 mph in the afternoon.
Hot
Friday
Night
Friday Night: A 20 percent chance of showers after 11pm.  Mostly cloudy, with a low around 69. Northwest wind around 6 mph becoming light and variable.
Slight Chance
Showers
Saturday

Saturday: Mostly sunny, with a high near 94.
Mostly Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 61.
Mostly Clear
Sunday

Sunday: Sunny, with a high near 86.
Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 59.
Mostly Clear
Lo 63 °F Hi 97 °F Lo 67 °F Hi 99 °F Lo 69 °F Hi 94 °F Lo 61 °F Hi 86 °F Lo 59 °F

 

Overnight
 
Mostly clear, with a low around 63. Calm wind.
Thursday
 
Sunny, with a high near 97. Light and variable wind.
Thursday Night
 
Increasing clouds, with a low around 67. Calm wind.
Friday
 
Increasing clouds and hot, with a high near 99. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
 
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 69. Northwest wind around 6 mph becoming light and variable.
Saturday
 
Mostly sunny, with a high near 94.
Saturday Night
 
Mostly clear, with a low around 61.
Sunday
 
Sunny, with a high near 86.
Sunday Night
 
Mostly clear, with a low around 59.
Monday
 
Sunny, with a high near 90.
Monday Night
 
Partly cloudy, with a low around 63.
Tuesday
 
Sunny, with a high near 92.
Tuesday Night
 
Mostly clear, with a low around 64.
Wednesday
 
Sunny, with a high near 90.

 

Forecast from NOAA-NWS for 3 Miles E Kennewick WA.