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Williamson Lake, SC 7-Day Night Weather Forecast
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Williamson Lake, SC Weather Forecast
Williamson Lake, SC Weather Forecast Date: 108 PM EDT Sun Aug 16 2026
The area/counties/county of: Aiken, including the cities of: Aiken and North Augusta.or toggle through each period.
This Afternoon... Mostly sunny with a slight chance of showers and thunderstorms. Near steady temperature in the mid 90s. Southwest winds around 5 mph. Chance of rain 20%. Heat index values up to 108.
Tonight... Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the mid 70s. Southwest winds around 5 mph. Chance of rain 20%.
Monday... Sunny with highs in the upper 90s. West winds around 5 mph. Heat index values up to 112.
Monday Night... Mostly clear. Lows in the upper 70s. West winds around 5 mph. Heat index values up to 108 early in the evening.
Tuesday... Sunny with highs in the upper 90s. Northwest winds around 5 mph. Heat index values up to 112.
Tuesday Night... Partly cloudy in the evening, then clearing. Lows in the mid 70s. Heat index values up to 110 early in the evening.
Wednesday... Sunny. Highs in the mid 90s. Heat index values up to 110.
Wednesday Night... Mostly clear. Lows in the mid 70s.
Thursday... Sunny. Highs in the upper 90s. Heat index values up to 110.
Thursday Night... Partly cloudy. Lows in the mid 70s.
Friday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40%.
Friday Night... A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 70s. Chance of rain 50%.
POP = Probability of Precipitation
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