Kilmarnock, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kilmarnock, a town in Northumberland County, Virginia.
This Afternoon
71°F
Sunny
Sunny. High near 71, with temperatures falling to around 64 in the afternoon. Southeast wind around 6 mph.
7-day forecast for Kilmarnock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Sunny | 6 mph SE | 0% |
| Tonight | 54°F | Mostly Clear then Patchy Fog | 5 mph S | 1% |
| Wednesday | 75°F | Patchy Fog then Mostly Sunny | 2 to 7 mph SE | 5% |
| Wednesday Night | 60°F | Mostly Cloudy | 7 mph S | 4% |
| Thursday | 78°F | Partly Sunny | 6 to 10 mph S | 13% |
| Thursday Night | 63°F | Showers And Thunderstorms Likely | 7 mph S | 65% |
| Friday | 74°F | Showers And Thunderstorms | 5 to 9 mph S | 89% |
| Friday Night | 53°F | Showers And Thunderstorms | 3 mph W | 88% |
| Saturday | 68°F | Slight Chance Rain Showers then Mostly Sunny | 7 mph NW | 21% |
| Saturday Night | 44°F | Mostly Clear | 5 mph NW | 11% |
| Sunday | 63°F | Mostly Sunny | 6 mph NW | 5% |
| Sunday Night | 42°F | Partly Cloudy | 5 mph W | 14% |
| Monday | 63°F | Slight Chance Rain Showers | 6 to 9 mph W | 18% |
| Monday Night | 41°F | Slight Chance Rain Showers then Mostly Clear | 6 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for Kilmarnock (37.711, -76.383). Updated through the day.
Growing snapshot for Kilmarnock
Last spring frost
Apr 1
First fall frost
Nov 10
Growing season
223 days
Hardiness zone
8a
More local growing data for Kilmarnock: nearby ZIP 22482 weather · frost dates · planting calendar · Virginia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, N, Va (21.5 mi from Kilmarnock). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.