Harman US

Blacksburg, VA Weather & Growing Conditions

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

Overnight
50°F
Mostly Clear
Mostly clear, with a low around 50. Southeast wind around 1 mph.

7-day forecast for Blacksburg

WhenTempForecastWindPrecip
Overnight 50°F Mostly Clear 1 mph SE 0%
Wednesday 70°F Partly Sunny 0 to 8 mph SE 12%
Wednesday Night 59°F Rain Showers 2 to 6 mph S 80%
Thursday 73°F Chance Rain Showers then Partly Sunny 2 to 6 mph SW 33%
Thursday Night 52°F Chance Rain Showers 2 mph SW 30%
Friday 68°F Chance Rain Showers 1 to 5 mph W 28%
Friday Night 41°F Partly Cloudy 5 mph NW 6%
Saturday 57°F Mostly Sunny 6 to 12 mph NW 3%
Saturday Night 33°F Partly Cloudy 3 to 9 mph NW 1%
Sunday 58°F Mostly Sunny 3 to 8 mph NW 2%
Sunday Night 32°F Mostly Clear 8 mph NW 2%
Monday 59°F Sunny 7 to 12 mph NW 3%
Monday Night 31°F Mostly Clear 6 mph W 3%
Tuesday 64°F Sunny 3 to 9 mph W 1%

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 Nov 4, 2026.