Kennewick, WA Weather Forecast

Local 7-day forecast

78°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Kennewick, WA in one place.

Saturday, August 29, 2026
Wind: 10 to 14 mph SW
Saturday

Sunny, with a high near 78. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Kennewick, WA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 27, 2026 7:09 PM PDT.

The active forecast window currently covers Aug 29 to Sep 2, 2026 for Kennewick, WA.

Page Snapshot

Page focus
city weather
Forecast window
Aug 29 to Sep 2, 2026
Latest sync
Aug 27, 2026 7:09 PM PDT
Forecast office
PDT
Source
NOAA / NWS
Next High
78°F
Saturday
Next Low
55°F
Saturday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
10 to 15 mph
Tuesday Night

Daily Outlook

Today
Aug 29
Sunny
78 °F
/ 55°F
Wind 10 to 14 mph
Sun
Aug 30
Sunny
79 °F
/ 57°F
Wind 3 to 7 mph
Mon
Aug 31
Sunny
85 °F
/ 60°F
Wind 1 to 5 mph
Tue
Sep 1
Mostly Sunny
84 °F
/ 58°F
Wind 6 to 10 mph
Wed
Sep 2
Mostly Sunny then Slight Chance Rain Showers
78 °F
/ 56°F
Wind 12 to 15 mph

This Week in Kennewick

Monday looks like the warmest upcoming period in Kennewick at 85 degrees F.

Saturday Night is the coolest period ahead with temperatures near 55 degrees F.

The strongest winds are forecast for Tuesday Night at about 10 to 15 mph SW.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
Aug 27, 2026 7:09 PM PDT
Coverage
6 days
Time zone
America/Los_Angeles
Forecast office
PDT
Radar station
KPDT

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Saturday Night
Aug 29
55°F
Mostly Clear
6 to 10 mph SW

Mostly clear, with a low around 55.

Sunday
Aug 30
79°F
Sunny
3 to 7 mph SW

Sunny, with a high near 79.

Sunday Night
Aug 30
57°F
Mostly Clear
3 mph SW

Mostly clear, with a low around 57.

Monday
Aug 31
85°F
Sunny
1 to 5 mph NW

Sunny, with a high near 85.

Monday Night
Aug 31
60°F
Partly Cloudy
6 mph W

Partly cloudy, with a low around 60.

Tuesday
Sep 1
84°F
Mostly Sunny
6 to 10 mph SW

Mostly sunny, with a high near 84.

Tuesday Night
Sep 1
58°F
Partly Cloudy
10 to 15 mph SW

Partly cloudy, with a low around 58.

Wednesday
Sep 2
78°F
Mostly Sunny then Slight Chance Rain Showers
12 to 15 mph SW

A slight chance of rain showers after 5pm. Mostly sunny, with a high near 78.

Wednesday Night
Sep 2
56°F
Chance Rain Showers
12 mph SW

A chance of rain showers. Partly cloudy, with a low around 56.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Aug 29
Sunny
78°F
10 to 14 mph
SW
Saturday Night
Aug 29
Mostly Clear
55°F
6 to 10 mph
SW
Sunday
Aug 30
Sunny
79°F
3 to 7 mph
SW
Sunday Night
Aug 30
Mostly Clear
57°F
3 mph
SW
Monday
Aug 31
Sunny
85°F
1 to 5 mph
NW
Monday Night
Aug 31
Partly Cloudy
60°F
6 mph
W
Tuesday
Sep 1
Mostly Sunny
84°F
6 to 10 mph
SW
Tuesday Night
Sep 1
Partly Cloudy
58°F
10 to 15 mph
SW
Wednesday
Sep 2
Mostly Sunny then Slight Chance Rain Showers
78°F
12 to 15 mph
SW
Wednesday Night
Sep 2
Chance Rain Showers
56°F
12 mph
SW
Kennewick  WA WTC Memorial Monument
Kennewick WA WTC Memorial Monument image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.