Smithville, AR Weather & Growing Conditions
Today
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 102. Southwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Sunny | 5 to 10 mph SW | 0% |
| Tonight | 72°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Sunday | 99°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Sunday Night | 72°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 5 mph W | 16% |
| Monday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph NNW | 31% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 5 mph N | 31% |
| Tuesday | 83°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph N | 15% |
| Tuesday Night | 58°F | Partly Cloudy | 5 to 10 mph NNE | 6% |
| Wednesday | 82°F | Sunny | 5 mph NNE | 1% |
| Wednesday Night | 57°F | Mostly Clear | 5 mph NNE | 0% |
| Thursday | 82°F | Sunny | 5 mph NNE | 1% |
| Thursday Night | 58°F | Partly Cloudy | 5 mph NE | 1% |
| Friday | 83°F | Mostly Sunny | 5 mph NE | 5% |
| Friday Night | 59°F | Partly Cloudy | 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Smithville, AR
Last spring frost
Apr 14
First fall frost
Oct 20
Growing season
190 days
Hardiness zone
7b
Explore more for Smithville, AR: full frost dates · planting calendar · Arkansas frost dates
Climate data from the nearest NOAA station, Evening Shade 1 Nne, Ar (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.