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

Today: A chance of showers, mainly after 5pm.  Mostly cloudy, with a high near 81. Calm wind.  Chance of precipitation is 30%.
Mostly Cloudy
then Chance
Showers
Tonight

Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am.  Mostly cloudy, with a low around 65. 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 before 11am, then showers likely and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 79. Light and variable wind.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers

Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 60. Calm wind becoming northwest around 5 mph after midnight.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Mostly Clear
Thursday

Thursday: Sunny, with a high near 77. North wind 6 to 11 mph.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 52.
Mostly Clear

Friday

Friday: Sunny, with a high near 77.
Sunny

Friday
Night
Friday Night: Partly cloudy, with a low around 54.
Partly Cloudy

Saturday

Saturday: Sunny, with a high near 75.
Sunny

Hi 81 °F Lo 65 °F Hi 79 °F Lo 60 °F Hi 77 °F Lo 52 °F Hi 77 °F Lo 54 °F Hi 75 °F

Hazardous Weather Outlook
 

Today
 
A chance of showers, mainly after 5pm. Mostly cloudy, with a high near 81. Calm wind. Chance of precipitation is 30%.
Tonight
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 65. 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 before 11am, then showers likely and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. High near 79. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
 
A chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 60. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%. 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 6 to 11 mph.
Thursday Night
 
Mostly clear, with a low around 52.
Friday
 
Sunny, with a high near 77.
Friday Night
 
Partly cloudy, with a low around 54.
Saturday
 
Sunny, with a high near 75.
Saturday Night
 
Mostly clear, with a low around 52.
Sunday
 
Sunny, with a high near 74.
Sunday Night
 
Mostly clear, with a low around 55.
Monday
 
Sunny, with a high near 76.

 

Forecast from NOAA-NWS for Gahanna OH.