NWS, American, European side by side around Kennewick and nearby towns.Live rain radar →
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Next 14 hours
consensus of the three models
7-day forecast
where the models agree, and where they split
Kennewick, WA is at its warmest in Jul (average highs near 97°F) and coldest in Jan (lows around 28°F), with roughly 12 in of precipitation across the year. Below, compare what NWS, American, European forecast for Kennewick right now, and see exactly where they disagree.
Kennewick climate by month
average daytime high and overnight low across a typical year
Jan
39°
28°
Feb
48°
32°
Mar
55°
36°
Apr
65°
43°
May
78°
53°
Jun
86°
60°
Jul
97°
68°
Aug
92°
65°
Sep
82°
57°
Oct
66°
45°
Nov
49°
37°
Dec
43°
34°
Common questions
What's the weather in Kennewick today?
On this page we show what NWS, American, European each forecast for Kennewick today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Kennewick today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Kennewick and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Kennewick?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Kennewick forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Kennewick?
Jul is typically the warmest month in Kennewick, with average highs around 97°F.
How cold does Kennewick get?
The coldest month in Kennewick is Jan, when overnight lows average about 28°F.
How much rain does Kennewick get?
Kennewick sees roughly 12 in of precipitation a year, with Dec usually the wettest month.
The forecasts Americans check
The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.