Westerville, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westerville, a city in Franklin County, Ohio.
Tonight
61°F
Partly Cloudy
Partly cloudy, with a low around 61. Southeast wind 9 to 13 mph, with gusts as high as 23 mph.
7-day forecast for Westerville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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 | 8 mph NW | 18% |
| Saturday | 55°F | Slight Chance Light Rain | 9 mph NW | 20% |
| Saturday Night | 36°F | Slight Chance Light Rain then Partly Cloudy | 2 to 6 mph W | 19% |
| Sunday | 57°F | Mostly Sunny then Slight Chance Light Rain | 2 to 10 mph W | 15% |
| Sunday Night | 35°F | Slight Chance Light Rain then Partly Cloudy | 6 to 9 mph W | 15% |
| Monday | 59°F | Slight Chance Light Rain | 5 to 12 mph W | 21% |
| Monday Night | 38°F | Slight Chance Light Rain then Partly Cloudy | 9 mph W | 21% |
| Tuesday | 63°F | Mostly Sunny | 8 to 12 mph W | 4% |
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 4, 2026.