National Weather Service Forecast for: Allentown PA
Issued by: National Weather Service Philadelphia, PA
Updated: 6:36 am EDT Jun 10, 2025
 
Today

Today: Partly sunny, with a high near 81. East wind 5 to 10 mph becoming west in the morning.
Partly Sunny

Tonight

Tonight: Mostly clear, with a low around 58. West wind around 5 mph.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 82. West wind 5 to 10 mph.
Sunny

Wednesday
Night
Wednesday Night: Clear, with a low around 64. West wind around 5 mph.
Clear

Thursday

Thursday: Sunny, with a high near 88. West wind around 5 mph.
Sunny

Thursday
Night
Thursday Night: Partly cloudy, with a low around 63.
Partly Cloudy

Friday

Friday: A chance of showers after 2pm.  Partly sunny, with a high near 85. Chance of precipitation is 30%.
Partly Sunny
then Chance
Showers
Friday
Night
Friday Night: A chance of showers.  Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Chance
Showers

Saturday

Saturday: Showers likely, mainly after 2pm.  Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Chance
Showers then
Showers
Likely
Hi 81 °F Lo 58 °F Hi 82 °F Lo 64 °F Hi 88 °F Lo 63 °F Hi 85 °F Lo 63 °F Hi 75 °F

 

Today
 
Partly sunny, with a high near 81. East wind 5 to 10 mph becoming west in the morning.
Tonight
 
Mostly clear, with a low around 58. West wind around 5 mph.
Wednesday
 
Sunny, with a high near 82. West wind 5 to 10 mph.
Wednesday Night
 
Clear, with a low around 64. West wind around 5 mph.
Thursday
 
Sunny, with a high near 88. West wind around 5 mph.
Thursday Night
 
Partly cloudy, with a low around 63.
Friday
 
A chance of showers after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Friday Night
 
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Saturday
 
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Saturday Night
 
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Sunday
 
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Sunday Night
 
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Monday
 
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Allentown PA.