Decatur, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Decatur, a town in Newton County, Mississippi.
This Afternoon
81°F
Partly Sunny
Partly sunny. High near 81, with temperatures falling to around 77 in the afternoon. South southeast wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Decatur
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Partly Sunny | 10 mph SSE | 7% |
| Tonight | 63°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 35% |
| Wednesday | 79°F | Chance Showers And Thunderstorms then Partly Sunny | 5 to 10 mph W | 34% |
| Wednesday Night | 48°F | Partly Cloudy then Patchy Fog | 0 to 5 mph N | 0% |
| Thursday | 80°F | Mostly Sunny | 0 mph | 1% |
| Thursday Night | 48°F | Partly Cloudy | 0 mph | 4% |
| Friday | 79°F | Mostly Sunny | 0 to 10 mph NNW | 3% |
| Friday Night | 42°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 72°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 5 mph N | 5% |
| Sunday | 68°F | Mostly Sunny | 5 to 10 mph N | 8% |
| Sunday Night | 35°F | Mostly Clear | 0 to 5 mph NNW | 3% |
| Monday | 71°F | Patchy Frost then Sunny | 5 to 10 mph N | 1% |
| Monday Night | 35°F | Mostly Clear | 0 to 5 mph N | 0% |
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 Nov 4, 2026.