National Weather Service Forecast for: Lancaster OH
Issued by: National Weather Service Wilmington, OH
Updated: 4:00 am EDT Jun 22, 2026
 
Overnight

Overnight: Showers likely and possibly a thunderstorm. Cloudy, with a low around 63. Southeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely
 Monday

Monday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 79. Southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Showers
 Monday
Night
Monday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, with a low around 56. North wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph. 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
Partly Cloudy
 Tuesday

Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 78. North wind 6 to 9 mph.
Becoming
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 55. North wind around 6 mph becoming calm in the evening.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 80.
Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 61.
Partly Cloudy

 Thursday

Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Mostly Sunny
then Chance
T-storms
 Thursday
Night
Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Chance
T-storms
Lo 63 °F Hi 79 °F Lo 56 °F Hi 78 °F Lo 55 °F Hi 80 °F Lo 61 °F Hi 83 °F Lo 63 °F

Hazardous Weather Outlook
 

Overnight
 
 Showers likely and possibly a thunderstorm. Cloudy, with a low around 63. Southeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
 
 Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 79. Southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
 
 Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, with a low around 56. North wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
 Mostly cloudy through mid morning, then gradual clearing, with a high near 78. North wind 6 to 9 mph.
Tuesday Night
 
 Mostly clear, with a low around 55. North wind around 6 mph becoming calm in the evening.
Wednesday
 
 Sunny, with a high near 80.
Wednesday Night
 
 Partly cloudy, with a low around 61.
Thursday
 
 A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Thursday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday
 
 A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Friday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Saturday
 
 A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 40%.
Saturday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
 
 Partly sunny, with a high near 86.

 

Forecast from NOAA-NWS for Lancaster OH.