Kilmarnock, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kilmarnock, a town in Northumberland County, Virginia.
Today
83°F
Slight Chance Rain Showers then Chance Showers And Thunderstorms
A slight chance of rain showers between 11am and 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 83. East wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Kilmarnock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 7 mph E | 56% |
| Tonight | 72°F | Showers And Thunderstorms Likely | 2 to 6 mph SE | 56% |
| Wednesday | 87°F | Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 8 mph S | 51% |
| Wednesday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 mph S | 24% |
| Thursday | 91°F | Sunny | 5 to 9 mph S | 9% |
| Thursday Night | 74°F | Mostly Clear | 5 to 8 mph S | 9% |
| Friday | 91°F | Mostly Sunny | 5 to 8 mph SW | 11% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 22% |
| Saturday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 8 mph SW | 26% |
| Saturday Night | 73°F | Chance Showers And Thunderstorms | 6 mph SW | 26% |
| Sunday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SW | 19% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 19% |
| Monday | 92°F | Mostly Sunny | 5 mph SW | 9% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 17% |
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 Aug 4, 2026.