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Gropp Lake, NJ Weather Forecast
Gropp Lake, NJ Weather Forecast Date: 400 AM EDT Fri Oct 09 2026
The area/counties/county of: Mercer, including the city of Trenton.or toggle through each period.
Today... Sunny. Highs in the lower 70s. West winds 10 to 15 mph with gusts up to 25 mph.
Tonight... Mostly cloudy. Lows in the upper 40s. Northwest winds 5 to 10 mph.
Saturday... Partly sunny. Highs in the lower 70s. North winds around 5 mph, becoming east in the afternoon.
Saturday Night... Mostly cloudy. Lows in the mid 50s. East winds around 5 mph.
Sunday... Showers. Highs in the upper 60s. East winds 5 to 10 mph. Chance of rain 90%.
Sunday Night... Showers. Near steady temperature in the lower 60s. Chance of rain 90%.
Columbus Day... Mostly cloudy with showers likely in the morning, then partly sunny in the afternoon. Highs in the lower 70s. Chance of rain 60%.
Monday Night... Partly cloudy. Lows in the upper 50s.
Tuesday... Mostly sunny. Highs in the mid 70s.
Tuesday Night... Partly cloudy. Lows in the mid 50s.
Wednesday... Mostly sunny. Highs in the upper 60s.
Wednesday Night... Mostly clear. Lows around 50.
POP = Probability of Precipitation
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