Weather Forecast and Radar for Old Greenwich, Connecticut

Weather in Old Greenwich, CT

Old Greenwich, Connecticut has a humid continental climate with four distinct seasons.

In the winter months, temperatures average between 30-40°F (1-4°C), with occasional light snow and rain. January is usually the coldest and snowiest month, with temperatures averaging around 25°F (-4°C).

Spring in Old Greenwich is mild and rainy, with temperatures ranging from 45-65°F (7-18°C). April and May see the most rainfall, with an average of 4-5 inches (10-13 cm) per month.

Summer in Old Greenwich is warm and humid, with temperatures ranging from 75-85°F (24-29°C). July and August are the hottest, with temperatures sometimes reaching into the 90s°F (mid-30s°C).

Fall in Old Greenwich is pleasant and mild, with temperatures ranging from 50-65°F (10-18°C). September and October are the driest months, with an average of 2-3 inches (5-8 cm) of rainfall per month.

Fast Facts About Old Greenwich, CT

As of 2020, the city population is 6980.

Major Cities Nearby Old Greenwich, CT

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Old Greenwich, Connecticut.