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Sewaren, NJ Weather Forecast
Sewaren, NJ Weather Forecast Date: 400 PM EDT Fri Sep 18 2026
The area/counties/county of: Middlesex, including the city of New Brunswick.or toggle through each period.
Tonight... Partly cloudy. Cooler with lows in the upper 50s. North winds 5 to 10 mph.
Saturday... Mostly sunny. Not as warm with highs in the lower 70s. East winds 5 to 10 mph.
Saturday Night... Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog. Lows in the lower 60s. Southeast winds 5 to 10 mph.
Sunday... Cloudy. Patchy fog in the morning. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 70%.
Sunday Night... Showers. Patchy fog. Locally heavy rainfall possible in the evening. Humid with lows around 60. South winds 5 to 10 mph, becoming northwest with gusts up to 20 mph after midnight. Chance of rain 90%.
Monday... Mostly cloudy with a 50% chance of showers. Highs in the upper 60s.
Monday Night... Mostly cloudy with a 30% chance of showers. Lows in the mid 50s.
Tuesday... Mostly cloudy with a 40% chance of showers. Highs in the mid 60s.
Tuesday Night... Mostly cloudy with a 30% chance of showers. Lows in the lower 50s.
Wednesday... Mostly cloudy with a 30% chance of showers. Highs in the lower 60s.
Wednesday Night... Mostly cloudy with a 40% chance of showers. Lows in the lower 50s.
Thursday... Mostly cloudy with a chance of showers. Highs in the lower 60s. Chance of rain 40%.
Thursday Night... Mostly cloudy with a chance of showers. Lows in the lower 50s. Chance of rain 40%.
POP = Probability of Precipitation
Sewaren Radar Loop
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