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Bicentennial, PA Weather Forecast
Bicentennial, PA Weather Forecast Date: 211 PM EDT Wed Sep 30 2026
The area/counties/county of: Lehigh, including the city of Allentown.or toggle through each period.
This Afternoon... Mostly cloudy. Near steady temperature in the mid 70s. Southwest winds 5 to 10 mph.
Tonight... Mostly cloudy. Lows around 60. Southwest winds 5 to 10 mph.
Thursday... Cloudy in the morning, then becoming partly sunny. Highs in the mid 70s. South winds around 5 mph.
Thursday Night... Partly cloudy. Lows in the lower 60s. Southwest winds around 5 mph.
Friday... Mostly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of rain 50%.
Friday Night... Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Cooler with lows in the lower 50s. Chance of rain 50%.
Saturday... Sunny. Not as warm with highs in the upper 60s.
Saturday Night... Partly cloudy. Lows in the upper 40s.
Sunday... Mostly sunny. Highs in the upper 60s.
Sunday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s.
Monday... Mostly sunny. Highs in the upper 60s.
Monday Night... Mostly clear. Lows in the lower 40s.
POP = Probability of Precipitation
Bicentennial Radar Loop
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