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
68°F
Mostly Sunny
Mostly sunny. High near 68, with temperatures falling to around 64 in the afternoon. West northwest wind 5 to 10 mph.
7-day forecast for Horn Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Mostly Sunny | 5 to 10 mph WNW | 0% |
| Tonight | 47°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Thursday | 71°F | Mostly Sunny | 0 mph | 0% |
| Thursday Night | 48°F | Mostly Clear | 0 to 5 mph N | 0% |
| Friday | 66°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 43°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Saturday | 59°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 38°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 61°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Sunday Night | 37°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Monday | 65°F | Sunny | 0 to 5 mph WNW | 1% |
| Monday Night | 40°F | Mostly Clear | 0 to 5 mph SSW | 1% |
| Tuesday | 68°F | Sunny | 0 to 5 mph SW | 2% |
| Tuesday Night | 43°F | Mostly Clear | 0 to 5 mph S | 2% |
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 Nov 4, 2026.