Harman US

Horn Lake, MS Weather & Growing Conditions

Today
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 101. West wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 100°F Sunny 0 to 5 mph W 1%
Tonight 74°F Mostly Clear 5 mph SSW 1%
Sunday 99°F Mostly Sunny 0 to 5 mph WSW 1%
Sunday Night 74°F Partly Cloudy 5 mph SSW 0%
Monday 97°F Mostly Sunny 5 to 10 mph W 9%
Monday Night 71°F Chance Showers And Thunderstorms 5 mph N 34%
Tuesday 90°F Mostly Sunny 5 to 15 mph N 9%
Tuesday Night 65°F Partly Cloudy 10 to 15 mph NNE 9%
Wednesday 85°F Sunny 10 mph NNE 4%
Wednesday Night 63°F Mostly Clear 5 to 10 mph NNE 1%
Thursday 85°F Sunny 5 to 10 mph NNE 0%
Thursday Night 63°F Partly Cloudy 5 to 10 mph NE 0%
Friday 85°F Mostly Sunny 5 to 10 mph NE 3%
Friday Night 63°F Partly Cloudy 5 to 10 mph NE 3%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Horn Lake, MS

Last spring frost
Mar 16
First fall frost
Nov 16
Growing season
244 days
Hardiness zone
8a

Explore more for Horn Lake, MS: full frost dates · planting calendar · Mississippi frost dates

Climate data from the nearest NOAA station, Memphis Intl Ap, Tn (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.