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Frost dates for Weirton, West Virginia

In a typical year, Weirton’s last spring frost lands around Apr 29 and the first fall frost around Oct 20, a growing season of about 174 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 6b.

Right now the typical frost season has arrived; planting waits for spring.

Last spring frost and first fall frost odds for Weirton, West Virginia
OddsLast spring frostFirst fall frost
10 percentApr 16Oct 6
50 percentApr 29Oct 20
90 percentMay 15Nov 1

A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.

Soil in Weirton is typically around 51°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.

Plantable now in Weirton

Timing comes from the same temperature engine the app uses, run against Weirton’s normals for today.

See the full what-to-plant lookup

Common questions

When is the last frost in Weirton, West Virginia?

Weirton’s last spring frost falls around April 29 in a typical year. One year in ten it is done by April 16, and one year in ten frost holds on until May 15. Frost-sensitive planting usually waits for the late side of that band.

When is the first fall frost in Weirton?

The first fall frost arrives around October 20 in a typical year, as early as October 6 in an early year and as late as November 1 in a late one.

How long is the growing season in Weirton?

About 174 days, counted between the typical last spring frost and the typical first fall frost.

What USDA zone is Weirton in?

Weirton is in USDA hardiness zone 6b under the 2023 USDA Plant Hardiness Zone Map.

Dates come from 30-year NOAA climate normals for the nearest reporting station. They describe odds, not a forecast.

Nearby cities

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