National Weather Service Forecast for: Allentown PA
Issued by: National Weather Service Philadelphia, PA
Updated: 4:13 am EST Feb 2, 2026
 
Today

Today: Sunny, with a high near 29. Wind chill values as low as -2. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny
 Tonight

Tonight: Partly cloudy, with a low around 8. West wind around 5 mph becoming calm.
Partly Cloudy
 Tuesday

Tuesday: Mostly sunny, with a high near 33. West wind around 5 mph.
Mostly Sunny
 Tuesday
Night
Tuesday Night: A slight chance of snow after 10pm. Mostly cloudy, with a low around 16. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Slight Chance
Snow
 Wednesday

Wednesday: Sunny, with a high near 31. Northwest wind 5 to 10 mph.
Sunny
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 6.
Partly Cloudy
 Thursday

Thursday: Mostly sunny, with a high near 28.
Mostly Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 8.
Partly Cloudy
 Friday

Friday: A chance of snow. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.
Chance Snow
Hi 29 °F Lo 8 °F Hi 33 °F Lo 16 °F Hi 31 °F Lo 6 °F Hi 28 °F Lo 8 °F Hi 29 °F

 

Today
 
 Sunny, with a high near 29. Wind chill values as low as -2. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
 
 Partly cloudy, with a low around 8. West wind around 5 mph becoming calm.
Tuesday
 
 Mostly sunny, with a high near 33. West wind around 5 mph.
Tuesday Night
 
 A slight chance of snow after 10pm. Mostly cloudy, with a low around 16. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Wednesday
 
 Sunny, with a high near 31. Northwest wind 5 to 10 mph.
Wednesday Night
 
 Partly cloudy, with a low around 6.
Thursday
 
 Mostly sunny, with a high near 28.
Thursday Night
 
 Partly cloudy, with a low around 8.
Friday
 
 A chance of snow. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.
Friday Night
 
 Mostly cloudy, with a low around 6.
Saturday
 
 Mostly sunny, with a high near 17.
Saturday Night
 
 Partly cloudy, with a low around 1.
Sunday
 
 Mostly sunny, with a high near 19.

 

Forecast from NOAA-NWS for Allentown PA.