National Weather Service Forecast for: Westerville OH
Issued by: National Weather Service Wilmington, OH
Updated: 4:00 pm EDT Jul 16, 2026
 
This
Afternoon
This Afternoon: A slight chance of showers after 5pm. Areas of smoke. Mostly sunny, with a high near 94. Heat index values as high as 100. North wind around 7 mph. Chance of precipitation is 20%.
Slight Chance
Showers

 Tonight

Tonight: Areas of smoke. Mostly clear, with a low around 70. North wind 5 to 7 mph becoming east after midnight.
Areas Smoke

 Friday

Friday: A chance of showers and thunderstorms after 4pm. Areas of smoke. Mostly sunny, with a high near 91. South wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Areas Smoke
then Chance
T-storms
 Friday
Night
Friday Night: A chance of showers and thunderstorms, mainly after 3am. Areas of smoke before 9pm. Mostly cloudy, with a low around 74. Southwest wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
 Saturday

Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. West wind 8 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Showers
 Saturday
Night
Saturday Night: Showers and possibly a thunderstorm, mainly before 2am. Low around 69. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

 Sunday

Sunday: Mostly sunny, with a high near 84.
Mostly Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 63.
Mostly Clear

 Monday

Monday: Mostly sunny, with a high near 87.
Mostly Sunny
Hi 94 °F Lo 70 °F Hi 91 °F Lo 74 °F Hi 87 °F Lo 69 °F Hi 84 °F Lo 63 °F Hi 87 °F

Air Quality Alert
Hazardous Weather Outlook
Special Weather Statement
 

This Afternoon
 
 A slight chance of showers after 5pm. Areas of smoke. Mostly sunny, with a high near 94. Heat index values as high as 100. North wind around 7 mph. Chance of precipitation is 20%.
Tonight
 
 Areas of smoke. Mostly clear, with a low around 70. North wind 5 to 7 mph becoming east after midnight.
Friday
 
 A chance of showers and thunderstorms after 4pm. Areas of smoke. Mostly sunny, with a high near 91. South wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
 
 A chance of showers and thunderstorms, mainly after 3am. Areas of smoke before 9pm. Mostly cloudy, with a low around 74. Southwest wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. West wind 8 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
 
 Showers and possibly a thunderstorm, mainly before 2am. Low around 69. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
 
 Mostly sunny, with a high near 84.
Sunday Night
 
 Mostly clear, with a low around 63.
Monday
 
 Mostly sunny, with a high near 87.
Monday Night
 
 A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Tuesday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Tuesday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Wednesday
 
 Sunny, with a high near 80.
Wednesday Night
 
 Mostly clear, with a low around 60.
Thursday
 
 Sunny, with a high near 81.

 

Forecast from NOAA-NWS for Westerville OH.