Sylvan Lake, NJ 7-Day Night Weather Forecast
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Sylvan Lake, NJ Weather Forecast


Sylvan Lake, NJ Weather Forecast Date: 400 PM EDT Mon Aug 17 2026
The area/counties/county of: Somerset, including the city of Somerville.or toggle through each period.
Tonight... Mostly cloudy with a slight chance of showers and thunderstorms this evening, then partly cloudy after midnight. Lows in the upper 60s. Light and variable winds, becoming north around 5 mph after midnight. Chance of rain 20%.
Tuesday... Sunny, hot with highs in the mid 80s. Northwest winds around 5 mph.
Tuesday Night... Mostly clear. Humid with lows in the mid 60s. Northwest winds around 5 mph in the evening, becoming light and variable.
Wednesday... Sunny, hot with highs in the upper 80s. West winds around 5 mph.
Wednesday Night... Partly cloudy. Humid with lows in the upper 60s. West winds around 5 mph in the evening, becoming light and variable.
Thursday... Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 60%.
Thursday Night... Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 60s. Chance of rain 60%.
Friday... Partly sunny with a 40% chance of showers. Highs in the lower 80s.
Friday Night... Mostly cloudy with a 40% chance of showers. Lows in the mid 60s.
Saturday... Partly sunny with a 50% chance of showers. Highs around 80.
Saturday Night... Mostly cloudy with a 50% chance of showers. Lows in the mid 60s.
Sunday... Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 50%.
Sunday Night... Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the lower 60s. Chance of rain 50%.
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