Dennis, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dennis, a community in Tishomingo County, Mississippi.
Tonight
72°F
Mostly Clear
Mostly clear, with a low around 72. North northwest wind around 0 mph.
7-day forecast for Dennis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Mostly Clear | 0 mph | 1% |
| Saturday | 99°F | Sunny | 0 to 5 mph NW | 3% |
| Saturday Night | 72°F | Mostly Clear | 0 mph | 1% |
| Sunday | 98°F | Sunny | 0 to 5 mph SW | 3% |
| Sunday Night | 71°F | Partly Cloudy | 0 mph | 3% |
| Monday | 97°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 26% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 27% |
| Tuesday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 21% |
| Tuesday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph N | 21% |
| Wednesday | 88°F | Mostly Sunny then Slight Chance Rain Showers | 5 mph NNE | 18% |
| Wednesday Night | 64°F | Slight Chance Rain Showers then Partly Cloudy | 5 mph NNE | 18% |
| Thursday | 85°F | Sunny | 5 to 10 mph NNE | 7% |
| Thursday Night | 62°F | Partly Cloudy | 5 mph NNE | 7% |
| Friday | 84°F | Mostly Sunny | 5 to 10 mph NNE | 3% |
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 Sep 19, 2026.