Trenton, New Jersey Weather Forecast
Trenton is in Mercer County, New Jersey. This page has current conditions, radar, a 7-day forecast, observed rainfall and the NWS written forecast for the area.
Active Weather Alerts
7-Day Forecast for Trenton
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Growing Conditions
Growing degree days
3,839
since Apr 1, base 50°F
Rain, last 30 days
2.51 in
model analysis
Rain, year to date
35.91 in
since Jan 1
2-inch soil temperature
54°F
yesterday, daily average
Reference ET, last 7 days
0.77 in
FAO-56 grass reference
Through Oct 23. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Trenton →
Current Stats & Observations
NWS Forecast
About Trenton Weather
Trenton sits at about 59 feet above sea level in Mercer County, New Jersey. About 290,716 people live in the Trenton area. Official forecasts and warnings for the area come from the National Weather Service PHI office, and the nearest NEXRAD radar site is KDIX. The city is in USDA plant hardiness zone 7a, where the coldest winter night typically falls between 0 to 5°F. Over the past ten years the last spring freeze has come around Apr 3 and the first fall freeze around Nov 17.
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