Westerville, OH Weather & Growing Conditions
Today
85°F
Sunny
Sunny, with a high near 85. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 3 mph E | 0% |
| Tonight | 65°F | Mostly Clear | 3 mph E | 2% |
| Wednesday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph S | 40% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 5 mph S | 31% |
| Thursday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph SW | 47% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph SW | 65% |
| Friday | 84°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 8 mph SW | 72% |
| Friday Night | 66°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 7 mph SW | 72% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 41% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 41% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 10 mph SW | 21% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 22% |
| Monday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 7 to 12 mph SW | 36% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 6 to 10 mph SW | 39% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Westerville, OH
Last spring frost
Apr 22
First fall frost
Oct 24
Growing season
183 days
Hardiness zone
6b
Explore more for Westerville, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Westerville, Oh (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.