Kennewick 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Kennewick 7-day weather forecast

Stacker created the forecast for Kennewick, Washington using data from OpenWeather. This week's high is 87 °F on Sunday, while the low is 61 °F on Tuesday. There are expected to be 2 sunny days and rain on 4 days this week.

NWS Pendleton OR has issued an air quality alert until Tuesday at 11:00 PM.

Monday, September 8

- High of 86 °F, low of 62 °F (31% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:26 AM, sunset at 7:22 PM
1 / 6
GP PIXSTOCK // Shutterstock

Tuesday, September 9

- High of 86 °F, low of 61 °F (38% humidity)
- Fair with a 73% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 6:27 AM, sunset at 7:20 PM
2 / 6
South12th Photography // Shutterstock

Wednesday, September 10

- High of 85 °F, low of 61 °F (37% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:28 AM, sunset at 7:18 PM
3 / 6
Maxim Grohotov // Shutterstock

Thursday, September 11

- High of 81 °F, low of 65 °F (55% humidity)
- Overcast with a 97% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:30 AM, sunset at 7:16 PM
4 / 6
otsphoto // Shutterstock

Friday, September 12

- High of 74 °F, low of 65 °F (68% humidity)
- Overcast with a 64% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (5 mph wind)
- Sunrise at 6:31 AM, sunset at 7:14 PM
5 / 6
New Africa // Shutterstock

Saturday, September 13

- High of 86 °F, low of 63 °F (45% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (4 mph wind)
- Sunrise at 6:32 AM, sunset at 7:12 PM
6 / 6
Witaya Proadtayakogool // Shutterstock

Sunday, September 14

- High of 87 °F, low of 66 °F (35% humidity)
- Mostly cloudy with a 24% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Strong breeze (25 mph wind)
- Sunrise at 6:33 AM, sunset at 7:10 PM
- Last quarter moon

Trending Now