Decatur, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Decatur, a town in Newton County, Mississippi.
Today
98°F
Sunny
Sunny. High near 98, with temperatures falling to around 94 in the afternoon. Heat index values as high as 103. North northwest wind 0 to 5 mph.
7-day forecast for Decatur
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 0 to 5 mph NNW | 3% |
| Tonight | 72°F | Mostly Clear | 0 mph | 11% |
| Sunday | 97°F | Mostly Sunny | 0 to 5 mph NNW | 6% |
| Sunday Night | 71°F | Mostly Clear | 0 mph | 5% |
| Monday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNW | 17% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 0 mph | 19% |
| Tuesday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 15% |
| Tuesday Night | 69°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NNE | 15% |
| Wednesday | 92°F | Sunny | 5 to 10 mph NNE | 8% |
| Wednesday Night | 66°F | Mostly Clear | 5 mph NNE | 8% |
| Thursday | 88°F | Sunny | 5 to 10 mph NNE | 5% |
| Thursday Night | 64°F | Mostly Clear | 5 mph NNE | 5% |
| Friday | 87°F | Mostly Sunny | 5 to 10 mph NNE | 2% |
| Friday Night | 63°F | Partly Cloudy | 5 mph NNE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Decatur (32.434, -89.111). Updated through the day.
Growing snapshot for Decatur
Last spring frost
Mar 25
First fall frost
Nov 2
Growing season
222 days
Hardiness zone
8b
More local growing data for Decatur: nearby ZIP 39327 weather · frost dates · planting calendar · Mississippi frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Newton Exp Stn, Ms (7.8 mi from Decatur). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.