Thornton, AR Weather & Growing Conditions
Tonight
47°F
Mostly Clear
Mostly clear. Low around 47, with temperatures rising to around 51 overnight. West wind around 0 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 71°F | Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 42°F | Partly Cloudy | 0 mph | 0% |
| Thursday | 74°F | Mostly Sunny | 0 mph | 0% |
| Thursday Night | 47°F | Partly Cloudy | 0 mph | 0% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 40°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Saturday | 65°F | Mostly Sunny | 0 to 5 mph NNE | 0% |
| Saturday Night | 37°F | Partly Cloudy | 0 mph | 3% |
| Sunday | 66°F | Mostly Sunny | 0 to 5 mph NNW | 5% |
| Sunday Night | 35°F | Mostly Clear | 0 mph | 1% |
| Monday | 70°F | Sunny | 0 to 5 mph WNW | 0% |
| Monday Night | 37°F | Clear | 0 mph | 1% |
| Tuesday | 73°F | Sunny | 0 to 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Thornton, AR
Last spring frost
Mar 26
First fall frost
Nov 6
Growing season
226 days
Hardiness zone
8a
Explore more for Thornton, AR: full frost dates · planting calendar · Arkansas frost dates
Climate data from the nearest NOAA station, Fordyce, Ar (8.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.