Westerville, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westerville, a city in Franklin County, Ohio.
This Afternoon
76°F
Sunny
Sunny, with a high near 76. South wind around 10 mph.
7-day forecast for Westerville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 10 mph S | 1% |
| Tonight | 61°F | Partly Cloudy | 9 to 13 mph SE | 9% |
| Wednesday | 67°F | Showers And Thunderstorms | 13 to 17 mph S | 99% |
| Wednesday Night | 53°F | Showers And Thunderstorms then Mostly Cloudy | 6 to 17 mph SW | 77% |
| Thursday | 66°F | Mostly Sunny | 6 to 13 mph SW | 0% |
| Thursday Night | 46°F | Partly Cloudy | 2 to 8 mph SW | 2% |
| Friday | 62°F | Partly Sunny then Slight Chance Light Rain | 2 to 8 mph W | 16% |
| Friday Night | 41°F | Slight Chance Light Rain then Mostly Cloudy | 8 mph NW | 16% |
| Saturday | 55°F | Partly Sunny | 9 mph NW | 13% |
| Saturday Night | 36°F | Partly Cloudy | 2 to 6 mph W | 6% |
| Sunday | 57°F | Mostly Sunny | 2 to 10 mph W | 9% |
| Sunday Night | 35°F | Partly Cloudy then Slight Chance Light Rain | 5 to 8 mph W | 15% |
| Monday | 59°F | Slight Chance Light Rain then Mostly Sunny | 3 to 10 mph W | 15% |
| Monday Night | 38°F | Partly Cloudy | 8 mph W | 13% |
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 Nov 3, 2026.