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Hartleton, PA Weather Forecast
Hartleton, PA Weather Forecast Date: 600 AM EDT Tue Sep 08 2026
The area/counties/county of: Union, including the city of Lewisburg.or toggle through each period.
Today... Patchy fog this morning. Mostly sunny. Highs in the lower 80s. Light and variable winds, becoming south around 5 mph this afternoon.
Tonight... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s. Light and variable winds.
Wednesday... Mostly sunny. Very warm with highs in the mid 80s. South winds 5 to 10 mph.
Wednesday Night... Mostly cloudy. A chance of showers and thunderstorms after midnight. Not as cool. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50%.
Thursday... Mostly cloudy with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Humid with highs in the upper 70s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70%.
Thursday Night... Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy after midnight. Cooler with lows in the upper 50s. Chance of rain 70%.
Friday... Sunny. Highs in the mid 70s.
Friday Night... Mostly clear. Lows in the mid 50s.
Saturday... Mostly sunny. Highs in the mid 70s.
Saturday Night... Mostly cloudy. Lows in the lower 60s.
Sunday... Partly sunny. Humid with highs in the lower 80s.
Sunday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s.
POP = Probability of Precipitation
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