Westerville, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westerville, a city in Franklin County, Ohio.
Tonight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. Northeast wind 5 to 9 mph.
7-day forecast for Westerville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Partly Cloudy | 5 to 9 mph NE | 2% |
| Saturday | 80°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 6 mph SE | 24% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 6 mph S | 64% |
| Sunday | 79°F | Showers And Thunderstorms | 5 to 9 mph W | 84% |
| Sunday Night | 60°F | Showers And Thunderstorms | 9 to 13 mph NE | 84% |
| Monday | 71°F | Chance Rain Showers | 9 to 13 mph NE | 49% |
| Monday Night | 58°F | Chance Rain Showers | 13 mph NE | 48% |
| Tuesday | 71°F | Chance Rain Showers | 13 mph NE | 48% |
| Tuesday Night | 58°F | Showers And Thunderstorms Likely | 13 mph NE | 56% |
| Wednesday | 70°F | Rain Showers Likely | 13 mph NE | 56% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 12 mph NE | 48% |
| Thursday | 71°F | Slight Chance Rain Showers | 9 mph NE | 19% |
| Thursday Night | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 9 mph N | 16% |
| Friday | 71°F | Partly Sunny | 7 to 10 mph N | 11% |
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 Sep 19, 2026.