Smithville, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Smithville, a town in Lawrence County, Arkansas.
Today
91°F
Sunny
Sunny, with a high near 91. East wind 0 to 5 mph.
7-day forecast for Smithville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Sunny | 0 to 5 mph E | 0% |
| Tonight | 69°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 94°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 73°F | Partly Cloudy | 0 to 5 mph SSE | 3% |
| Thursday | 95°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 25% |
| Thursday Night | 74°F | Partly Cloudy then Chance Showers And Thunderstorms | 0 to 5 mph S | 25% |
| Friday | 93°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 56% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 54% |
| Saturday | 93°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 32% |
| Saturday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 27% |
| Sunday | 94°F | Sunny | 0 to 5 mph SSW | 7% |
| Sunday Night | 74°F | Mostly Clear | 0 to 5 mph S | 4% |
| Monday | 95°F | Sunny | 5 to 10 mph SSW | 6% |
| Monday Night | 75°F | Partly Cloudy | 5 to 10 mph S | 6% |
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
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 Aug 4, 2026.