Horn Lake, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Horn Lake, a city in Desoto County, Mississippi.
Today
89°F
Sunny
Sunny, with a high near 89. Northeast wind 0 to 5 mph.
7-day forecast for Horn Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Sunny | 0 to 5 mph NE | 0% |
| Tonight | 70°F | Mostly Clear | 0 to 5 mph ENE | 0% |
| Wednesday | 92°F | Sunny | 0 to 5 mph NNW | 0% |
| Wednesday Night | 72°F | Mostly Clear | 0 to 5 mph ESE | 1% |
| Thursday | 93°F | Mostly Sunny | 5 mph SSW | 4% |
| Thursday Night | 75°F | Partly Cloudy | 5 mph SSE | 8% |
| Friday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SSW | 19% |
| Friday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSE | 19% |
| Saturday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 30% |
| Saturday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 30% |
| Sunday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph S | 15% |
| Sunday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 15% |
| Monday | 92°F | Mostly Sunny | 5 mph SSW | 13% |
| Monday Night | 75°F | Partly Cloudy | 5 mph S | 13% |
Forecast source: National Weather Service (api.weather.gov) for Horn Lake (34.952, -90.049). Updated through the day.
Growing snapshot for Horn Lake
Last spring frost
Mar 16
First fall frost
Nov 16
Growing season
244 days
Hardiness zone
8a
More local growing data for Horn Lake: nearby ZIP 38637 weather · frost dates · planting calendar · Mississippi frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Memphis Intl Ap, Tn (8.1 mi from Horn Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.