Fort Smith, AR Weather & Growing Conditions
Today
68°F
Sunny
Sunny, with a high near 68. West wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Sunny | 5 to 10 mph W | 0% |
| Tonight | 47°F | Mostly Clear | 0 to 5 mph W | 0% |
| Thursday | 71°F | Sunny | 0 to 5 mph N | 1% |
| Thursday Night | 50°F | Partly Cloudy | 5 mph NW | 13% |
| Friday | 64°F | Sunny | 5 to 10 mph NW | 0% |
| Friday Night | 45°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 61°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 41°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 63°F | Sunny | 0 to 5 mph NW | 0% |
| Sunday Night | 40°F | Mostly Clear | 0 mph | 0% |
| Monday | 66°F | Sunny | 0 mph | 1% |
| Monday Night | 42°F | Clear | 0 mph | 2% |
| Tuesday | 69°F | Sunny | 0 mph | 0% |
| Tuesday Night | 46°F | Mostly Clear | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fort Smith, AR
Last spring frost
Mar 25
First fall frost
Nov 6
Growing season
224 days
Hardiness zone
8a
Explore more for Fort Smith, AR: full frost dates · planting calendar · Arkansas frost dates
Climate data from the nearest NOAA station, Ft Smith Rgnl Ap, Ar (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.