Duncan, MS Weather & Growing Conditions
Today
91°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 91. Heat index values as high as 97. North northeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Patchy Fog then 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 | 1% |
| 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 Partly Cloudy | 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 S | 17% |
| Monday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 16% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Duncan, MS
Last spring frost
Mar 16
First fall frost
Nov 12
Growing season
243 days
Hardiness zone
8b
Explore more for Duncan, MS: full frost dates · planting calendar · Mississippi frost dates
Climate data from the nearest NOAA station, Clarksdale, Ms (17 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.