NWS Forecast for Chester PA

National Weather Service Forecast for: Chester PA
Issued by: National Weather Service Philadelphia, PA

Updated: 4:09 am EST Dec 5, 2025

Today Chance Snow	Tonight Slight Chance Snow then Cloudy	Saturday Partly Sunny	Saturday Night Partly Cloudy	Sunday Mostly Cloudy	Sunday Night Slight Chance Rain	Monday Sunny	Monday Night Mostly Clear	Tuesday Partly Sunny
Hi 33 °F	Lo 29 °F	Hi 43 °F	Lo 27 °F	Hi 41 °F	Lo 26 °F	Hi 33 °F	Lo 18 °F	Hi 37 °F

Today	A chance of snow after 10am. Cloudy, with a high near 33. Northeast wind around 5 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.
Tonight	A slight chance of snow between 8pm and midnight. Cloudy, with a low around 29. Northeast wind around 5 mph becoming calm. Chance of precipitation is 20%.
Saturday	Partly sunny, with a high near 43. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night	Partly cloudy, with a low around 27. Calm wind.
Sunday	Mostly cloudy, with a high near 41. Calm wind becoming north around 5 mph.
Sunday Night	A slight chance of rain before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 20%.
Monday	Sunny, with a high near 33.
Monday Night	Mostly clear, with a low around 18.
Tuesday	Partly sunny, with a high near 37.
Tuesday Night	Mostly cloudy, with a low around 30.
Wednesday	A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.
Wednesday Night	A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.
Thursday	A chance of rain. Partly sunny, with a high near 45. Chance of precipitation is 40%.

Forecast from NOAA-NWS for Chester PA.