Harman US

Duncan, MS Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Duncan, a town in Bolivar County, Mississippi.

Overnight
57°F
Mostly Cloudy
Mostly cloudy, with a low around 57. West wind around 5 mph.

7-day forecast for Duncan

WhenTempForecastWindPrecip
Overnight 57°F Mostly Cloudy 5 mph W 0%
Wednesday 71°F Mostly Sunny 5 to 10 mph WNW 0%
Wednesday Night 47°F Partly Cloudy then Patchy Fog 0 to 5 mph WNW 0%
Thursday 73°F Patchy Fog then Mostly Sunny 0 mph 0%
Thursday Night 49°F Mostly Clear 0 mph 0%
Friday 70°F Sunny 5 to 10 mph N 0%
Friday Night 44°F Partly Cloudy 5 to 10 mph N 0%
Saturday 62°F Mostly Sunny 5 to 10 mph N 0%
Saturday Night 39°F Partly Cloudy 0 to 5 mph N 0%
Sunday 63°F Mostly Sunny 5 to 10 mph N 0%
Sunday Night 38°F Mostly Clear 0 to 5 mph N 0%
Monday 66°F Sunny 0 to 5 mph N 3%
Monday Night 39°F Mostly Clear 0 to 5 mph SSW 2%
Tuesday 70°F Sunny 0 to 5 mph WSW 2%

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

All Mississippi locations ›

Climate data from the nearest NOAA station, Clarksdale, Ms (17 mi from Duncan). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.