Harman US

Lavaca, AR Weather & Growing Conditions

This Afternoon
68°F
Sunny
Sunny. High near 68, with temperatures falling to around 64 in the afternoon. West wind 5 to 10 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 68°F Sunny 5 to 10 mph W 0%
Tonight 46°F Mostly Clear 0 to 5 mph NW 0%
Thursday 72°F Sunny 0 to 5 mph NW 1%
Thursday Night 49°F Partly Cloudy 5 mph NW 6%
Friday 65°F Sunny 5 to 10 mph NW 0%
Friday Night 44°F Partly Cloudy 0 to 5 mph N 0%
Saturday 62°F Mostly Sunny 0 mph 0%
Saturday Night 40°F Partly Cloudy 0 mph 0%
Sunday 64°F Sunny 0 to 5 mph NW 0%
Sunday Night 39°F Mostly Clear 0 mph 0%
Monday 66°F Sunny 0 mph 1%
Monday Night 41°F Clear 0 mph 2%
Tuesday 69°F Sunny 0 mph 1%
Tuesday Night 45°F Mostly Clear 0 mph 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Lavaca, AR

Last spring frost
Mar 25
First fall frost
Nov 6
Growing season
224 days
Hardiness zone
8a

Explore more for Lavaca, AR: full frost dates · planting calendar · Arkansas frost dates

Climate data from the nearest NOAA station, Ft Smith Rgnl Ap, Ar (11.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.