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Weather extremes

How extreme does Worcester's weather get?

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

Based on 50+ years of daily weather observations (1971–present), from the Woonsocket station 39 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 Worcester has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
101°F Jul 7, 2010

That is about 17°F hotter than a normal July afternoon in Worcester (typical high near 84°F).

The three most extreme on record

1 101°F Jul 7, 2010
2 101°F Jul 23, 2011
3 97°F Aug 3, 2006
❄️ Coldest night
-11°F Feb 14, 2016

About 32°F colder than a normal February night in Worcester (typical low near 21°F).

The three most extreme on record

1 -11°F Feb 14, 2016
2 -10°F Feb 21, 2015
3 -8°F Jan 28, 2005
🌧️ Most rain in one day
6.80 in Oct 15, 2005

More rain in a single day than Worcester usually gets in the whole month of October (typical October total about 5.1 in).

The three most extreme on record

1 6.80 in Oct 15, 2005
2 6.00 in Sep 6, 2022
3 5.44 in Jun 14, 1998
Most snow in one day
30.0 in Feb 7, 1978

Close to a whole typical February's snow in one day (Worcester averages about 11 in across the month).

The three most extreme on record

1 30.0 in Feb 7, 1978
2 23.8 in Apr 1, 1997
3 23.0 in Feb 9, 2013

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 101°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Worcester's record heat sits well above even a hot day for the season — July's 101°F is about 17°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, Worcester'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 101°F and as low as −11°F. A single day has delivered over 7 inches of rain or close to 30 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 Jamaica Plain (NOAA GHCN station USC00193890), about 56 km from the city centre.

How we build these numbers →