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Welsh Run, PA Weather Forecast
Welsh Run, PA Weather Forecast Date: 900 PM EDT Wed Oct 14 2026
The area/counties/county of: Franklin, including the city of Chambersburg.or toggle through each period.
Tonight... Mostly cloudy. A chance of showers with a slight chance of thunderstorms this evening, then a slight chance of showers after midnight. Mild. Lows in the mid 50s. North winds 5 to 10 mph. Chance of rain 40%.
Thursday... Partly sunny in the morning, then becoming mostly cloudy. A 50% chance of showers. Much cooler with highs in the lower 60s. East winds around 5 mph.
Thursday Night... A chance of showers in the evening, then showers likely after midnight. Mild. Lows in the mid 50s. South winds 5 to 10 mph. Gusts up to 25 mph after midnight. Chance of rain 70%.
Friday... Mostly cloudy. Showers likely in the afternoon. Unseasonably warm. Humid with highs in the lower 80s. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of rain 70%.
Friday Night... Mostly cloudy. Showers likely in the evening. Cooler. Less humid with lows in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70%.
Saturday... Mostly sunny. Much cooler with highs in the lower 50s.
Saturday Night... Mostly clear. Areas of frost after midnight. Cooler with lows in the mid 30s.
Sunday... Widespread frost in the morning. Sunny. Highs in the upper 50s.
Sunday Night... Mostly clear. Lows in the mid 30s.
Monday... Sunny. Highs in the lower 60s.
Monday Night... Partly cloudy. Lows in the lower 40s.
Tuesday... Mostly sunny. Highs in the mid 60s.
Tuesday Night... Partly cloudy. Lows in the lower 40s.
POP = Probability of Precipitation
Welsh Run Radar Loop
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