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Williamstown, PA Weather Forecast
Williamstown, PA Weather Forecast Date: 600 AM EDT Sat Oct 03 2026
The area/counties/county of: Dauphin, including the cities of: Harrisburg and Hershey.or toggle through each period.
Today... Sunny. Not as warm with highs around 70. North winds 5 to 10 mph.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. East winds around 5 mph.
Sunday... Cloudy. A chance of light rain in the morning, then light rain likely in the afternoon. Highs in the lower 60s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70%.
Sunday Night... Cloudy. Patchy fog. Lows in the mid 50s. East winds around 5 mph, becoming west after midnight.
Monday... Mostly sunny. Highs in the upper 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Monday Night... Mostly clear. Cooler with lows in the lower 40s.
Tuesday... Sunny. Highs in the lower 60s.
Tuesday Night... Clear. Lows in the lower 40s.
Wednesday... Sunny. Highs in the upper 60s.
Wednesday Night... Mostly clear. Lows in the mid 40s.
Thursday... Sunny. Highs in the lower 70s.
Thursday Night... Mostly clear. Lows around 50.
POP = Probability of Precipitation
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