Harman US

Smithville, AR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Smithville, a town in Lawrence County, Arkansas.

This Afternoon
73°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 73, with temperatures falling to around 68 in the afternoon. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

7-day forecast for Smithville

WhenTempForecastWindPrecip
This Afternoon 73°F Showers And Thunderstorms 15 to 20 mph S 99%
Tonight 52°F Showers And Thunderstorms Likely then Mostly Cloudy 5 to 15 mph SW 58%
Wednesday 70°F Mostly Sunny 5 to 10 mph W 0%
Wednesday Night 44°F Mostly Clear 0 mph 0%
Thursday 72°F Sunny 0 to 5 mph SW 2%
Thursday Night 47°F Partly Cloudy 5 mph W 10%
Friday 67°F Mostly Sunny 5 to 10 mph NNW 0%
Friday Night 43°F Mostly Clear 5 mph NNW 0%
Saturday 63°F Mostly Sunny 5 mph NNW 0%
Saturday Night 39°F Partly Cloudy 0 to 5 mph NW 2%
Sunday 64°F Sunny 5 to 10 mph NW 6%
Sunday Night 38°F Mostly Clear 5 mph NW 3%
Monday 66°F Sunny 5 mph W 2%
Monday Night 38°F Clear 0 to 5 mph SW 1%

Forecast source: National Weather Service (api.weather.gov) for Smithville (36.080, -91.303). Updated through the day.

Growing snapshot for Smithville

Last spring frost
Apr 14
First fall frost
Oct 20
Growing season
190 days
Hardiness zone
7b

More local growing data for Smithville: nearby ZIP 72466 weather · frost dates · planting calendar · Arkansas frost dates

Nearby towns & communities

All Arkansas locations ›

Climate data from the nearest NOAA station, Evening Shade 1 Nne, Ar (16.1 mi from Smithville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.