Westerville, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westerville, a city in Franklin County, Ohio.
Today
86°F
Sunny
Sunny, with a high near 86. East wind around 3 mph.
7-day forecast for Westerville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 3 mph E | 0% |
| Tonight | 66°F | Mostly Clear | 3 mph NE | 2% |
| Wednesday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 39% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph S | 31% |
| Thursday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph SW | 47% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph SW | 65% |
| Friday | 85°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 8 mph SW | 72% |
| Friday Night | 67°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 7 mph SW | 72% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 41% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 41% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 10 mph SW | 21% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 22% |
| Monday | 88°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 7 to 12 mph SW | 36% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 6 to 10 mph SW | 39% |
Forecast source: National Weather Service (api.weather.gov) for Westerville (40.123, -82.913). Updated through the day.
Growing snapshot for Westerville
Last spring frost
Apr 22
First fall frost
Oct 24
Growing season
183 days
Hardiness zone
6b
More local growing data for Westerville: nearby ZIP 43081 weather · frost dates · planting calendar · Ohio frost dates
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Climate data from the nearest NOAA station, Westerville, Oh (3 mi from Westerville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.