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Thomson, PA Weather Forecast
Thomson, PA Weather Forecast Date: 430 AM EDT Tue Sep 22 2026
The area/counties/county of: Lancaster, including the city of Lancaster.or toggle through each period.
Today... Showers, mainly this morning. Patchy fog. Cooler with highs in the upper 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100%.
Tonight... Cloudy. A chance of showers in the evening. Lows around 50. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50%.
Wednesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Wednesday Night... Mostly cloudy. Lows in the upper 40s. Northeast winds 10 to 15 mph.
Thursday... Mostly sunny. Highs in the lower 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Thursday Night... Partly cloudy. Lows in the upper 40s.
Friday... Mostly sunny. Highs in the upper 60s.
Friday Night... Partly cloudy. Lows in the lower 50s.
Saturday... Mostly sunny. Highs in the upper 60s.
Saturday Night... Mostly cloudy. Lows in the lower 50s.
Sunday... Mostly sunny. Highs in the upper 60s.
Sunday Night... Partly cloudy. Lows in the lower 50s.
POP = Probability of Precipitation
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