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Weather extremes

How extreme does Pendleton's weather get?

The hottest, coldest, wettest and snowiest days Pendleton has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 34 years of daily weather observations (1991–present), from the Eastern Or Regional At Pendleton Ap station 5 km away. Updated through August 2025 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.

The four kinds of extreme

The hottest, coldest, wettest and snowiest single days Pendleton has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
117°F Jun 29, 2021

That is about 36°F hotter than a normal June afternoon in Pendleton (typical high near 81°F).

The three most extreme on record

1 117°F Jun 29, 2021recent
2 117°F Jun 30, 2021
3 113°F Jun 28, 2021
❄️ Coldest night
-12°F Feb 3, 1996

About 41°F colder than a normal February night in Pendleton (typical low near 29°F).

The three most extreme on record

1 -12°F Feb 3, 1996
2 -12°F Feb 4, 1996
3 -11°F Jan 31, 1996
🌧️ Most rain in one day
1.95 in Aug 16, 1993

More rain in a single day than Pendleton usually gets in the whole month of August (typical August total about 0.3 in).

The three most extreme on record

1 1.95 in Aug 16, 1993
2 1.14 in Jun 1, 1995
3 1.12 in Nov 19, 1996

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.

-30°-10°10°30°50°70°90°110°130° all-time high 117°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Pendleton's record heat sits well above even a hot day for the season — June's 117°F is about 36°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

In a normal year, Pendleton's warmest days reach the low 90s°F and its coldest nights drop to the high 20s°F. But across the record it has gone as high as 117°F and as low as −12°F. A single day has delivered over 2 inches of rain. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Eastern OR Regional AT Pendleton AP, a weather station, about 5 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →