National Weather Service Forecast for: Lancaster PA
Issued by: National Weather Service State College, PA
Updated: 7:12 pm EDT Jul 16, 2026
 
Tonight

Tonight: A slight chance of showers and thunderstorms before 8pm. Widespread smoke. Mostly cloudy, with a low around 67. Northwest wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 20%.
Slight Chance
T-storms then
Smoke
 Friday

Friday: Widespread smoke, mainly after 5pm. Partly sunny, with a high near 87. Light north wind.
Smoke

 Friday
Night
Friday Night: A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Widespread smoke, mainly before 3am. Mostly cloudy, with a low around 69. Light east wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Smoke then
Chance
Showers
 Saturday

Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Some of the storms could produce heavy rainfall. Areas of smoke before 9am. High near 86. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Heavy Rain

 Saturday
Night
Saturday Night: Showers and possibly a thunderstorm before 2am, then a slight chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Low around 71. Southwest wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Heavy Rain

 Sunday

Sunday: Mostly sunny, with a high near 86.
Mostly Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 62.
Mostly Clear

 Monday

Monday: Sunny, with a high near 86.
Sunny

 Monday
Night
Monday Night: Partly cloudy, with a low around 68.
Partly Cloudy
Lo 67 °F Hi 87 °F Lo 69 °F Hi 86 °F Lo 71 °F Hi 86 °F Lo 62 °F Hi 86 °F Lo 68 °F

Air Quality Alert
Hazardous Weather Outlook
 

Tonight
 
 A slight chance of showers and thunderstorms before 8pm. Widespread smoke. Mostly cloudy, with a low around 67. Northwest wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 20%.
Friday
 
 Widespread smoke, mainly after 5pm. Partly sunny, with a high near 87. Light north wind.
Friday Night
 
 A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Widespread smoke, mainly before 3am. Mostly cloudy, with a low around 69. Light east wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Some of the storms could produce heavy rainfall. Areas of smoke before 9am. High near 86. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
 
 Showers and possibly a thunderstorm before 2am, then a slight chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Low around 71. Southwest wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
 
 Mostly sunny, with a high near 86.
Sunday Night
 
 Mostly clear, with a low around 62.
Monday
 
 Sunny, with a high near 86.
Monday Night
 
 Partly cloudy, with a low around 68.
Tuesday
 
 A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Tuesday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Wednesday
 
 A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Wednesday Night
 
 Partly cloudy, with a low around 63.
Thursday
 
 Sunny, with a high near 84.

 

Forecast from NOAA-NWS for Lancaster PA.