Lamar, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lamar, a community in Benton County, Mississippi.
Today
89°F
Sunny
Sunny, with a high near 89. North wind 0 to 5 mph.
7-day forecast for Lamar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Sunny | 0 to 5 mph N | 0% |
| Tonight | 68°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Wednesday | 92°F | Sunny | 0 to 5 mph NW | 4% |
| Wednesday Night | 71°F | Mostly Clear | 0 to 5 mph ESE | 4% |
| Thursday | 94°F | Sunny | 5 mph SSW | 5% |
| Thursday Night | 74°F | Partly Cloudy | 0 to 5 mph SSE | 8% |
| Friday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SSW | 23% |
| Friday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 23% |
| Saturday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 37% |
| Saturday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 37% |
| Sunday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 25% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 25% |
| Monday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 19% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 19% |
Forecast source: National Weather Service (api.weather.gov) for Lamar (34.912, -89.315). Updated through the day.
Growing snapshot for Lamar
Last spring frost
Apr 6
First fall frost
Oct 28
Growing season
206 days
Hardiness zone
7b
More local growing data for Lamar: nearby ZIP 38642 weather · frost dates · planting calendar · Mississippi frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Holly Springs 4 N, Ms (8.1 mi from Lamar). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.