Weather forecast for 10 daysKennewick, WA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 73°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphWSW 242°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:16 am PDT
  • Sunset: 6:06 pm PDT
  • ▼
On Saturday, in Kennewick, occasional clouds will pass by, but expect bright spells.
Temperature readings are expected to span from a high of a warm 73.4°F to a low of an icy 35.6°F.
The expected high of 73.4°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:16 am and sunset at 6:06 pm; the daylight will last for 10h and 50min.

Sunday Oct 18, 2026

  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphNNW 338°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:18 am PDT
  • Sunset: 6:04 pm PDT
  • ▼
On Sunday, October 18, a sun-drenched sky is also anticipated.
A daytime temperature reaching up to a breezy 66.2°F will sharply contrast with a nighttime low of an icy 39.2°F.
Tomorrow's peak temperature is forecasted to align with October's common high of 62.6°F.
Sunrise will be at 7:18 am and sunset at 6:04 pm; tomorrow's daylight will last for 10h and 47min.

10-day overview

Daily temperatures

Warmest day: today 73°C.
Coldest day: Monday 26.10. 57°C.

Chance of precipitation

Highest chance: Monday 26.10. 17%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 73°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphWSW 242°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:16 am PDT
  • Sunset: 6:06 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphNNW 338°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:18 am PDT
  • Sunset: 6:04 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 63°F
  • 39°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNW 324°
  • Humidity: 46%
  • UV index: 1
  • Sunrise: 7:19 am PDT
  • Sunset: 6:03 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 68°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphNNW 333°
  • Humidity: 48%
  • UV index: 3
  • Sunrise: 7:21 am PDT
  • Sunset: 6:01 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphNNW 339°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:22 am PDT
  • Sunset: 5:59 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 66°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 4mphWSW 257°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:23 am PDT
  • Sunset: 5:58 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 64°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 10mphWSW 247°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:25 am PDT
  • Sunset: 5:56 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 59°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 6mphNNW 340°
  • Humidity: 61%
  • UV index: 2
  • Sunrise: 7:26 am PDT
  • Sunset: 5:54 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 59°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphNW 314°
  • Humidity: 59%
  • UV index: 2
  • Sunrise: 7:28 am PDT
  • Sunset: 5:53 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 57°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 6mphW 265°
  • Humidity: 63%
  • UV index: 2
  • Sunrise: 7:29 am PDT
  • Sunset: 5:51 pm PDT
  • ▼
During the upcoming ten-day period, primarily cloudy and occasionally mostly clear weather is anticipated.
Rainfall is not expected in Kennewick in the upcoming days.
Temperature fluctuation will be noticeable in the coming days. Forecast highs will fluctuate between 57.2°F and 73.4°F, while the minimum temperature is forecast to range between 33.8°F and 42.8°F.
Today is the warmest day, with a maximum temperature of 73.4°F; expect the coldest day on next Monday with a high of 57.2°F.
Updated: Oct 17, 2026 @ 13:48:50 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Kennewick, patchy clouds will move across the sky, allowing for sunshine at times.

Today, the highest temperature will be 73.4°F, while the lowest temperature will be 35.6°F.
The highest temperature will be significantly higher than the average maximum of 62.6°F in October. The lowest temperature will be also noticeably lower than the average low of 46.8°F.

On Saturday, in Kennewick, sunrise will be at 7:16 am and sunset at 6:06 pm (PDT).

Today, the daylight will last for 10h and 50min.

On Sunday, in Kennewick, uninterrupted sunshine is anticipated.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be slightly cooler than the average low temperature.

On Sunday, in Kennewick, sunrise will be at 7:18 am and sunset at 6:04 pm (PDT).

In Kennewick, tomorrow, there will be 10h and 47min of daylight.