National Weather Service Forecast for: Lancaster OH
Issued by: National Weather Service Wilmington, OH
Updated: 4:00 am EDT May 26, 2026
 
Today

Today: A chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 79. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Cloudy
then Chance
T-storms
 Tonight

Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Showers
Likely
 Wednesday

Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 78. Light north wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Wednesday
Night
Wednesday Night: Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Slight Chance
Showers
 Thursday

Thursday: Sunny, with a high near 77. North wind 5 to 10 mph.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 51.
Mostly Clear

 Friday

Friday: Sunny, with a high near 76.
Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 52.
Partly Cloudy

 Saturday

Saturday: Sunny, with a high near 74.
Sunny
Hi 79 °F Lo 64 °F Hi 78 °F Lo 59 °F Hi 77 °F Lo 51 °F Hi 76 °F Lo 52 °F Hi 74 °F

Hazardous Weather Outlook
 

Today
 
 A chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 79. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 78. Light north wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
 
 Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 Sunny, with a high near 77. North wind 5 to 10 mph.
Thursday Night
 
 Mostly clear, with a low around 51.
Friday
 
 Sunny, with a high near 76.
Friday Night
 
 Partly cloudy, with a low around 52.
Saturday
 
 Sunny, with a high near 74.
Saturday Night
 
 Mostly clear, with a low around 51.
Sunday
 
 Sunny, with a high near 74.
Sunday Night
 
 Mostly clear, with a low around 53.
Monday
 
 Sunny, with a high near 75.

 

Forecast from NOAA-NWS for Lancaster OH.