Blacksburg, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blacksburg, a town in Montgomery County, Virginia.
Tonight
66°F
Mostly Cloudy then Patchy Fog
Patchy fog between 2am and 3am, then patchy fog and a slight chance of rain showers. Mostly cloudy, with a low around 66. North wind around 1 mph. Chance of precipitation is 20%.
7-day forecast for Blacksburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Mostly Cloudy then Patchy Fog | 1 mph N | 16% |
| Saturday | 78°F | Patchy Fog then Mostly Cloudy | 0 to 5 mph E | 17% |
| Saturday Night | 64°F | Mostly Cloudy | 0 to 5 mph SE | 8% |
| Sunday | 80°F | Mostly Cloudy then Showers And Thunderstorms Likely | 2 mph SW | 67% |
| Sunday Night | 64°F | Showers And Thunderstorms Likely | 1 mph W | 67% |
| Monday | 83°F | Showers And Thunderstorms | 2 mph NE | 87% |
| Monday Night | 62°F | Showers And Thunderstorms | 1 to 5 mph E | 87% |
| Tuesday | 71°F | Showers And Thunderstorms Likely | 6 mph E | 66% |
| Tuesday Night | 57°F | Showers And Thunderstorms Likely | 6 to 9 mph E | 67% |
| Wednesday | 63°F | Chance Rain Showers | 8 mph E | 49% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 7 mph E | 39% |
| Thursday | 66°F | Chance Rain Showers | 5 mph NE | 31% |
| Thursday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 1 to 5 mph N | 28% |
| Friday | 70°F | Partly Sunny then Slight Chance Rain Showers | 5 mph N | 16% |
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
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.