Harman US

Blacksburg, VA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Blacksburg, a town in Montgomery County, Virginia.

Today
79°F
Partly Sunny
Partly sunny, with a high near 79. East wind around 5 mph.

7-day forecast for Blacksburg

WhenTempForecastWindPrecip
Today 79°F Partly Sunny 5 mph E 9%
Tonight 64°F Mostly Cloudy then Patchy Fog 1 to 5 mph SE 10%
Sunday 82°F Patchy Fog then Chance Showers And Thunderstorms 3 mph SW 47%
Sunday Night 63°F Chance Showers And Thunderstorms then Mostly Cloudy 0 to 3 mph SW 38%
Monday 80°F Showers And Thunderstorms 0 to 3 mph E 87%
Monday Night 59°F Showers And Thunderstorms 5 mph E 87%
Tuesday 68°F Showers And Thunderstorms Likely 3 to 7 mph E 65%
Tuesday Night 54°F Showers And Thunderstorms Likely 7 to 10 mph E 65%
Wednesday 60°F Chance Rain Showers 9 mph E 51%
Wednesday Night 53°F Chance Showers And Thunderstorms 5 to 8 mph E 47%
Thursday 65°F Chance Rain Showers then Slight Chance Showers And Thunderstorms 5 mph E 36%
Thursday Night 52°F Slight Chance Showers And Thunderstorms 5 mph NE 21%
Friday 68°F Slight Chance Rain Showers 5 mph N 21%
Friday Night 49°F Slight Chance Rain Showers 3 mph N 21%

Forecast source: National Weather Service (api.weather.gov) for Blacksburg (37.231, -80.427). Updated through the day.

Growing snapshot for Blacksburg

Last spring frost
Apr 24
First fall frost
Oct 19
Growing season
175 days
Hardiness zone
7a

More local growing data for Blacksburg: nearby ZIP 24061 weather · frost dates · planting calendar · Virginia frost dates

Nearby towns & communities

All Virginia locations ›

Climate data from the nearest NOAA station, Blacksburg Nwso, Va (1.6 mi from Blacksburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.