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Township of Sparta, NJSparta, NJ 7-Day Night Weather Forecast
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Sparta, NJ Weather Forecast
Sparta, NJ Weather Forecast Date: 400 PM EDT Fri Sep 11 2026
The area/counties/county of: Sussex, including the city of Newton.or toggle through each period.
Tonight... Mostly clear. Lows in the lower 50s. North winds around 5 mph.
Saturday... Mostly sunny. Highs in the upper 70s. East winds around 5 mph, becoming south in the afternoon.
Saturday Night... Mostly cloudy. Showers after midnight. Not as cool with lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 90%.
Sunday... Showers, mainly in the morning. Humid with highs in the upper 70s. South winds around 5 mph, becoming west around 5 mph in the afternoon. Chance of rain 90%.
Sunday Night... Partly cloudy. Humid with lows in the upper 50s. West winds around 5 mph.
Monday... Sunny. Highs in the lower 70s.
Monday Night... Mostly clear. Cooler with lows in the upper 40s.
Tuesday... Sunny. Highs in the lower 70s.
Tuesday Night... Partly cloudy. Lows in the mid 50s.
Wednesday... Mostly sunny. Highs in the upper 70s.
Wednesday Night... Partly cloudy. Lows in the upper 50s.
Thursday... Mostly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 40%.
Thursday Night... Mostly cloudy with a 40% chance of showers. Lows in the upper 50s.
POP = Probability of Precipitation
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