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City of Allentown, PAAllentown, PA 7-Day Night Weather Forecast
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Allentown, PA Weather Forecast
Allentown, PA Weather Forecast Date: 400 PM EDT Wed Sep 02 2026
The area/counties/county of: Lehigh, including the city of Allentown.or toggle through each period.
Tonight... Showers likely with a chance of thunderstorms. Lows in the upper 60s. South winds around 5 mph. Chance of rain 70%.
Thursday... Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms, mainly in the morning. Warmer with highs in the upper 80s. Southwest winds 5 to 10 mph, becoming west with gusts up to 20 mph in the afternoon. Chance of rain 50%.
Thursday Night... Mostly cloudy with a chance of showers. Humid with lows around 70. West winds around 5 mph. Chance of rain 50%.
Friday... Partly sunny. A chance of showers in the afternoon. Humid with highs in the mid 80s. Northwest winds 5 to 10 mph. Chance of rain 50%.
Friday Night... Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the lower 60s. Northwest winds around 5 mph. Chance of rain 50%.
Saturday... Sunny. Highs in the upper 70s.
Saturday Night... Mostly clear. Lows in the mid 50s.
Sunday... Sunny. Highs in the mid 70s.
Sunday Night... Mostly clear. Lows in the mid 50s.
Labor Day... Sunny. Highs in the upper 70s.
Monday Night... Partly cloudy. Lows in the upper 50s.
Tuesday... Mostly sunny. Highs in the upper 70s.
Tuesday Night... Partly cloudy. Lows in the upper 50s.
POP = Probability of Precipitation
Allentown Radar Loop
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