Dennis, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dennis, a community in Tishomingo County, Mississippi.
Today
87°F
Mostly Sunny
Mostly sunny, with a high near 87. North wind 0 to 5 mph.
7-day forecast for Dennis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Mostly Sunny | 0 to 5 mph N | 3% |
| Tonight | 69°F | Partly Cloudy | 0 to 5 mph NNE | 3% |
| Wednesday | 89°F | Mostly Sunny | 0 to 5 mph WNW | 12% |
| Wednesday Night | 70°F | Mostly Clear | 0 mph | 3% |
| Thursday | 91°F | Sunny | 0 to 5 mph SSW | 6% |
| Thursday Night | 72°F | Mostly Clear | 0 to 5 mph SE | 10% |
| Friday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 17% |
| Friday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 17% |
| Saturday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 27% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 27% |
| Sunday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 28% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 28% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 26% |
| Monday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 26% |
Forecast source: National Weather Service (api.weather.gov) for Dennis (34.559, -88.230). Updated through the day.
Growing snapshot for Dennis
Last spring frost
Apr 9
First fall frost
Oct 28
Growing season
203 days
Hardiness zone
8a
More local growing data for Dennis: nearby ZIP 38838 weather · frost dates · planting calendar · Mississippi frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Iuka, Ms (15.4 mi from Dennis). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.