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Weather extremes
How extreme does Tri-Cities's weather get?
The hottest, coldest, wettest and snowiest days Tri-Cities has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.
The four kinds of extreme
The hottest, coldest, wettest and snowiest single days Tri-Cities has recorded — each shown against what a normal day that time of year looks like.
That is about 32°F hotter than a normal June afternoon in Tri-Cities (typical high near 83°F).
The three most extreme on record
About 47°F colder than a normal January night in Tri-Cities (typical low near 28°F).
The three most extreme on record
More rain in a single day than Tri-Cities usually gets in the whole month of November (typical November total about 0.9 in).
The three most extreme on record
The three most extreme on record
How hot and cold it gets, month by month
The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.
Tri-Cities's record heat sits well above even a hot day for the season — June's 115°F is about 32°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.
In plain terms
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Kennewick (NOAA GHCN station USC00454154), about 8 km from the city centre.