Smithville, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Smithville, a town in Lawrence County, Arkansas.
This Afternoon
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 103. South southwest wind around 5 mph.
7-day forecast for Smithville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Sunny | 5 mph SSW | 0% |
| Tonight | 73°F | Clear | 0 to 5 mph SW | 0% |
| Saturday | 100°F | Sunny | 0 to 10 mph WSW | 1% |
| Saturday Night | 73°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Sunday | 99°F | Sunny | 0 to 10 mph WSW | 0% |
| Sunday Night | 73°F | Partly Cloudy | 0 to 5 mph NNW | 4% |
| Monday | 93°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 10 mph NNW | 25% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 27% |
| Tuesday | 85°F | Mostly Sunny | 5 to 10 mph N | 11% |
| Tuesday Night | 61°F | Partly Cloudy | 5 to 15 mph NNE | 6% |
| Wednesday | 83°F | Sunny | 5 to 10 mph NNE | 3% |
| Wednesday Night | 59°F | Mostly Clear | 5 mph NNE | 2% |
| Thursday | 83°F | Sunny | 5 to 10 mph NNE | 2% |
| Thursday Night | 60°F | Mostly Clear | 5 mph NNE | 2% |
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 Sep 18, 2026.