Fort Smith, AR Weather & Growing Conditions
Overnight
52°F
Partly Cloudy
Partly cloudy, with a low around 52. West wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Partly Cloudy | 5 to 10 mph W | 0% |
| Wednesday | 68°F | Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 49°F | Mostly Clear | 0 to 5 mph W | 0% |
| Thursday | 72°F | Sunny | 0 to 5 mph NW | 1% |
| Thursday Night | 51°F | Partly Cloudy | 5 mph NW | 14% |
| Friday | 65°F | Sunny | 5 to 10 mph NW | 0% |
| Friday Night | 46°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 62°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 42°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 64°F | Sunny | 0 to 5 mph NW | 0% |
| Sunday Night | 42°F | Mostly Clear | 0 mph | 0% |
| Monday | 67°F | Sunny | 0 mph | 1% |
| Monday Night | 44°F | Clear | 0 mph | 2% |
| Tuesday | 70°F | Sunny | 0 mph | 0% |
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 (3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.