See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
15°
Clear
Feels Like: 13°
Min: 10°
Max: 27°
The next few hours will be clear, with today reaching 27°C and dropping to 9°C. The coming days will be mostly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:43
Sunrise
18:58
Sunset
Moon
Waxing Crescent
13:08
Moonrise
20:44
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
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Friday
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Weather in Kennewick today, September 16, 2026
Plan for bright conditions in Kennewick on September 16, 2026, though cloud cover thickens for a spell near 22:00. The day as a whole still leans toward sunshine. Expect a brighter morning, with limited cloud around 0% by 03:00. Conditions start on a settled note.
The temperature range runs from about 10°C up to 27°C. Expect humidity between 26% and 92%, most humid near 23:00. A lighter breeze peaks around 16:00 near 4.8 km/h.
Through the afternoon skies look more workable, with cloud near 41% around 22:00. Later outdoor plans have a clearer window than the morning may have suggested. Views remain open at about 16.1 km. Sunrise is at 06:43 and sunset at 18:58, giving 12 hours 15 minutes of sunlight today.
Overall, Kennewick on September 16, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 27°C.
Frequently asked questions about weather in Kennewick
How warm does it get in Kennewick?
The warmest month in Kennewick is July, with average high temperatures of 37°C. The average temperature during this period is around 28°C.
How cold does it get in Kennewick?
The coldest month in Kennewick is January, with average low temperatures of -1°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Kennewick?
The wettest month in Kennewick is January, with an average of 39mm of precipitation.
What is the driest time of year in Kennewick?
The driest month in Kennewick is July, with an average of 1mm of precipitation.
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