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Southdown, NJ Weather Forecast
Southdown, NJ Weather Forecast Date: 249 PM EDT Tue Aug 18 2026
The area/counties/county of: Somerset, including the city of Somerville.or toggle through each period.
Rest of Today... Mostly sunny with isolated showers and thunderstorms. Hot. Near steady temperature in the mid 80s. Northwest winds around 5 mph. Chance of rain 20%.
Tonight... Partly cloudy. Isolated showers in the evening. Patchy fog after midnight. Humid with lows in the mid 60s. Southwest winds around 5 mph. Chance of rain 20%.
Wednesday... Patchy fog in the morning. Sunny, hot with highs in the mid 80s. West winds around 5 mph.
Wednesday Night... Partly cloudy. 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 afternoon. Humid with highs in the lower 80s. Light and variable winds, becoming northwest around 5 mph in the afternoon. Chance of rain 50%.
Thursday Night... Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. Lows in the lower 60s. Chance of rain 50%.
Friday... Mostly sunny. Highs in the lower 80s.
Friday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 60s. Chance of rain 40%.
Saturday... Partly sunny with a 50% chance of showers. Highs in the lower 80s.
Saturday Night... Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 50%.
Sunday... Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 60%.
Sunday Night... Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 60s. Chance of rain 60%.
POP = Probability of Precipitation
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