National Weather Service Forecast for: Lancaster PA
Issued by: National Weather Service State College, PA
Updated: 7:06 pm EST Dec 17, 2025
 
Tonight

Tonight: Patchy freezing fog after 3am. Mostly cloudy, with a low around 25. West wind around 6 mph becoming calm in the evening.
Mostly Cloudy
then Patchy
Freezing Fog
 Thursday

Thursday: A chance of rain, mainly after 5pm. Patchy freezing fog before 9am. Partly sunny, with a high near 47. Calm wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Patchy
Freezing Fog
then Chance
Rain
 Thursday
Night
Thursday Night: Rain, with thunderstorms also possible after 4am. Temperature rising to around 54 by 4am. Breezy, with a southeast wind 11 to 16 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Rain and
Breezy

 Friday

Friday: A chance of rain and thunderstorms before 7am, then a chance of rain between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 52. Breezy, with a west wind 21 to 23 mph, with gusts as high as 43 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance Rain
and Breezy

 Friday
Night
Friday Night: Partly cloudy, with a low around 24. Breezy, with a west wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 34 mph.
Partly Cloudy
and Breezy
then Partly
Cloudy
 Saturday

Saturday: Partly sunny, with a high near 40.
Partly Sunny

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 34.
Mostly Cloudy

 Sunday

Sunday: Mostly sunny, with a high near 46.
Mostly Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 24.
Mostly Clear
Lo 25 °F Hi 47 °F Lo 45 °F⇑ Hi 52 °F Lo 24 °F Hi 40 °F Lo 34 °F Hi 46 °F Lo 24 °F

 

Tonight
 
 Patchy freezing fog after 3am. Mostly cloudy, with a low around 25. West wind around 6 mph becoming calm in the evening.
Thursday
 
 A chance of rain, mainly after 5pm. Patchy freezing fog before 9am. Partly sunny, with a high near 47. Calm wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
 
 Rain, with thunderstorms also possible after 4am. Temperature rising to around 54 by 4am. Breezy, with a southeast wind 11 to 16 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
 
 A chance of rain and thunderstorms before 7am, then a chance of rain between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 52. Breezy, with a west wind 21 to 23 mph, with gusts as high as 43 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
 
 Partly cloudy, with a low around 24. Breezy, with a west wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 34 mph.
Saturday
 
 Partly sunny, with a high near 40.
Saturday Night
 
 Mostly cloudy, with a low around 34.
Sunday
 
 Mostly sunny, with a high near 46.
Sunday Night
 
 Mostly clear, with a low around 24.
Monday
 
 Mostly sunny, with a high near 37.
Monday Night
 
 Mostly cloudy, with a low around 26.
Tuesday
 
 Mostly cloudy, with a high near 43.
Tuesday Night
 
 Mostly cloudy, with a low around 33.
Wednesday
 
 Partly sunny, with a high near 44.

 

Forecast from NOAA-NWS for Lancaster PA.