Porterville, MS Weather & Growing Conditions
Today
100°F
Sunny
Sunny. High near 100, with temperatures falling to around 96 in the afternoon. Heat index values as high as 106. North wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Sunny | 0 to 5 mph N | 12% |
| Tonight | 72°F | Mostly Clear | 0 mph | 11% |
| Sunday | 98°F | Sunny | 0 mph | 8% |
| Sunday Night | 71°F | Mostly Clear | 0 mph | 9% |
| Monday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 15% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 34% |
| Tuesday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 21% |
| Tuesday Night | 68°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 21% |
| Wednesday | 92°F | Sunny | 0 to 5 mph N | 10% |
| Wednesday Night | 66°F | Mostly Clear | 0 to 5 mph NNE | 10% |
| Thursday | 88°F | Sunny | 5 mph NNE | 4% |
| Thursday Night | 64°F | Mostly Clear | 0 to 5 mph NNE | 4% |
| Friday | 88°F | Mostly Sunny | 5 mph NNE | 3% |
| Friday Night | 62°F | Partly Cloudy | 0 to 5 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Porterville, MS
Last spring frost
Mar 14
First fall frost
Nov 12
Growing season
245 days
Hardiness zone
8b
Explore more for Porterville, MS: full frost dates · planting calendar · Mississippi frost dates
Climate data from the nearest NOAA station, Meridian Naas, Ms (9.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.