Winthrop, AR Weather & Growing Conditions
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 103. Southeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 0 to 5 mph SE | 3% |
| Tonight | 74°F | Mostly Clear | 0 to 5 mph SE | 2% |
| Wednesday | 98°F | Sunny | 0 to 5 mph S | 13% |
| Wednesday Night | 75°F | Partly Cloudy | 0 to 5 mph S | 13% |
| Thursday | 97°F | Mostly Sunny | 0 to 5 mph SW | 6% |
| Thursday Night | 74°F | Partly Cloudy | 0 to 5 mph S | 6% |
| Friday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 24% |
| Friday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 24% |
| Saturday | 94°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 15% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 15% |
| Sunday | 95°F | Mostly Sunny | 0 to 5 mph SE | 6% |
| Sunday Night | 73°F | Partly Cloudy | 0 to 5 mph SE | 6% |
| Monday | 95°F | Mostly Sunny | 0 to 5 mph S | 10% |
| Monday Night | 73°F | Partly Cloudy | 0 to 5 mph S | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winthrop, AR
Last spring frost
Mar 29
First fall frost
Nov 5
Growing season
222 days
Hardiness zone
8a
Explore more for Winthrop, AR: full frost dates · planting calendar · Arkansas frost dates
Climate data from the nearest NOAA station, Dequeen, Ar (12.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.