How extreme does Oak Park's weather get?

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

Based on 21 years of daily weather observations (2005–present), from the Dearborn #2 station 13 km away. Updated through May 2026 — 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 Oak Park has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day

100°F Jul 22, 2011

That is about 16°F hotter than a normal July afternoon in Oak Park (typical high near 84°F).

The three most extreme on record

1 100°F Jul 22, 2011

2 100°F Jul 8, 2012

3 99°F Jul 5, 2012

❄️ Coldest night

-14°F Jan 7, 2014

About 33°F colder than a normal January night in Oak Park (typical low near 19°F).

The three most extreme on record

1 -14°F Jan 7, 2014

2 -12°F Jan 8, 2014

3 -12°F Feb 1, 2019

🌧️ Most rain in one day

6.31 in Aug 12, 2014

More rain in a single day than Oak Park usually gets in the whole month of August (typical August total about 3.5 in).

The three most extreme on record

1 6.31 in Aug 12, 2014

2 4.34 in Sep 29, 2016

3 3.70 in Jun 12, 2009

⛄ Most snow in one day

10.0 in Feb 21, 2011

The three most extreme on record

1 10.0 in Feb 21, 2011

2 9.1 in Feb 2, 2015

3 7.8 in Feb 10, 2018

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.

normal range of daily temperatureshottest ever recordedcoldest ever recorded

Oak Park's record heat sits well above even a hot day for the season — July's 100°F is about 16°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, Oak Park's warmest days reach the mid-80s°F and its coldest nights drop to the high 10s°F. But across the record it has gone as high as 100°F and as low as −14°F. A single day has delivered over 6 inches of rain or close to 10 inches of snow. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Detroit City AP (NOAA GHCN station USW00014822), about 15 km from the city centre.

How we build these numbers →

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