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Trenton, NJ Weather Tomorrow

Stay one step ahead with tomorrow's weather in Trenton and a reliable 5 day forecast including daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details across the Trenton area and around Mercer county, New Jersey.
Updated: Sun Oct 25th 2026 3:15 AM EDT
Trenton, NJ Weather – 10-25 – Sunny
66° / 42°
Sunny
In Trenton, bright and sunny conditions with highs near 66°F and lows around 42°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 5mph and gusts of 15mph at 6 AM. Humidity levels should be comfortable, sitting around 50% on average, the maximum being 75% at 8 AM and 24% being its lowest at 3 PM. Barometric pressure is its highest of 30.59inHg at 9 AM, a lowest point of 30.43inHg at 10 PM with an avg 30.51inHg.
Trenton, NJ Weather – 10-26 – Sunny
69° / 45°

Weather Tomorrow

Sunny
Trenton could see a sunny day with daytime highs of 69°F and nighttime lows near 45°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 9mph and gusts of 15.1mph at 5 PM. The humidity will be on the higher side, averaging about 62%, the maximum being 86% at 8 AM and 36% being its lowest at 3 PM. Barometric pressure is its highest of 30.42inHg at 12 AM, a lowest point of 30.17inHg at 5 PM with an avg 30.28inHg.
Trenton, NJ Weather – 10-27 – Sunny
62° / 47°
Sunny
Trenton is set for a sunny day with temperatures peaking at 62°F and dipping to 47°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 9mph and gusts of 24.4mph at 3 AM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 83% at 6 AM and 31% being its lowest at 3 PM. Barometric pressure is its highest of 30.44inHg at 10 PM, a lowest point of 30.21inHg at 12 AM with an avg 30.33inHg.
Trenton, NJ Weather – 10-28 – Overcast
62° / 42°
Overcast
Daytime highs will reach 62°F with lows dropping to 42°F in Trenton, where it will be overcast. There's a very small chance of rainfall, only about 9%. Winds will be light at 8mph and gusts of 14.8mph at 7 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 81% at 11 PM and 42% being its lowest at 3 PM. Barometric pressure is its highest of 30.56inHg at 9 AM, a lowest point of 30.44inHg at 5 PM with an avg 30.49inHg.
Trenton, NJ Weather – 10-29 – Sunny
67° / 47°
Sunny
Trenton could see sunshine with daytime highs of 67°F and nighttime lows near 47°F. There's a very small chance of rainfall, only about 7%. Winds will be light at 9mph and gusts of 13.9mph at 11 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 90% at 8 AM and 46% being its lowest at 1 PM. Barometric pressure is its highest of 30.48inHg at 12 AM, a lowest point of 30.21inHg at 11 PM with an avg 30.35inHg.
Trenton, NJ Weather – 10-30 – Sunny
72° / 53°
Sunny
Trenton may see sunshine, with daytime highs of 72°F and overnight lows near 53°F. There's a very small chance of rainfall, only about 8%. Winds will be light at 7mph and gusts of 16mph at 11 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 85% at 5 AM and 52% being its lowest at 2 PM. Barometric pressure is its highest of 30.28inHg at 11 PM, a lowest point of 30.18inHg at 2 PM with an avg 30.21inHg.

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