Duncan, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Duncan, a town in Bolivar County, Mississippi.
Today
91°F
Sunny
Sunny, with a high near 91. Heat index values as high as 97. North northeast wind 0 to 5 mph.
7-day forecast for Duncan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Sunny | 0 to 5 mph NNE | 0% |
| Tonight | 69°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Wednesday | 93°F | Patchy Fog then Sunny | 0 mph | 0% |
| Wednesday Night | 72°F | Mostly Clear | 0 mph | 1% |
| Thursday | 94°F | Sunny | 0 to 5 mph SSW | 5% |
| Thursday Night | 75°F | Partly Cloudy | 0 to 5 mph SSE | 5% |
| Friday | 93°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 17% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 17% |
| Saturday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 23% |
| Saturday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 23% |
| Sunday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 17% |
| Sunday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSE | 17% |
| Monday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 17% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 17% |
Forecast source: National Weather Service (api.weather.gov) for Duncan (34.042, -90.746). Updated through the day.
Growing snapshot for Duncan
Last spring frost
Mar 16
First fall frost
Nov 12
Growing season
243 days
Hardiness zone
8b
More local growing data for Duncan: nearby ZIP 38740 weather · frost dates · planting calendar · Mississippi frost dates
Nearby towns & communities
Benoit
Beulah
Bolivar
Boyle
Cleveland
Gunnison
Merigold
Mound Bayou
Pace
Renova
Rosedale
Scott
Shaw
Shelby
Skene
Symonds
Winstonville
Climate data from the nearest NOAA station, Clarksdale, Ms (17 mi from Duncan). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.