Weather Forecast and Radar for Summit, New Jersey

Weather in Summit, NJ

Summit, New Jersey is a suburb of New York City located in Union County. It has a humid continental climate, with warm and humid summers, and cold winters. The average temperature year-round is 46°F.

In the summer, temperatures usually range from the mid-60s to the mid-80s and can exceed 90°F on hot days. Average July highs are around 82°F, with lows at 65°F.

In the winter, temperatures usually range from the mid-20s to the low-40s. Average January highs are around 38°F, with lows at 22°F. Snowfall is common, usually ranging from 10 to 20 inches.

In the spring, temperatures usually range from the mid-40s to the mid-60s. Average April highs are around 58°F, with lows at 40°F.

In the fall, temperatures usually range from the mid-50s to the mid-70s. Average October highs are around 65°F, with lows at 48°F.

Fast Facts About Summit, NJ

As of 2020, the city population is 21913.

Major Cities Nearby Summit, NJ

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Summit, New Jersey.