Knoxville, AR Weather & Growing Conditions
This Afternoon
72°F
Partly Sunny
Partly sunny, with a high near 72. West wind around 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Partly Sunny | 10 mph W | 4% |
| Tonight | 53°F | Mostly Cloudy | 10 to 15 mph W | 4% |
| Wednesday | 67°F | Sunny | 5 to 15 mph W | 0% |
| Wednesday Night | 47°F | Mostly Clear | 0 to 5 mph W | 0% |
| Thursday | 72°F | Sunny | 0 to 5 mph SSW | 1% |
| Thursday Night | 50°F | Mostly Cloudy | 0 to 5 mph NNW | 5% |
| Friday | 67°F | Sunny | 5 mph NNW | 0% |
| Friday Night | 44°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 64°F | Mostly Sunny | 0 to 5 mph NNW | 0% |
| Saturday Night | 43°F | Partly Cloudy | 0 mph | 4% |
| Sunday | 65°F | Sunny | 0 to 5 mph WNW | 4% |
| Sunday Night | 42°F | Clear | 0 to 5 mph NW | 1% |
| Monday | 68°F | Sunny | 0 to 5 mph NW | 0% |
| Monday Night | 44°F | Mostly Clear | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Knoxville, AR
Last spring frost
Mar 24
First fall frost
Nov 10
Growing season
233 days
Hardiness zone
8a
Explore more for Knoxville, AR: full frost dates · planting calendar · Arkansas frost dates
Climate data from the nearest NOAA station, Clarksville 2N, Ar (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.