Dennis, MS Weather & Growing Conditions
Overnight
72°F
Clear
Clear, with a low around 72. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Clear | 0 mph | 0% |
| Saturday | 99°F | Sunny | 0 to 5 mph N | 3% |
| Saturday Night | 73°F | Mostly Clear | 0 mph | 2% |
| Sunday | 97°F | Sunny | 0 mph | 4% |
| Sunday Night | 73°F | Partly Cloudy | 0 mph | 4% |
| Monday | 96°F | Mostly Sunny | 0 to 5 mph WSW | 9% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 30% |
| Tuesday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 17% |
| Tuesday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 mph NNE | 17% |
| Wednesday | 87°F | Slight Chance Rain Showers | 5 mph N | 17% |
| Wednesday Night | 63°F | Slight Chance Rain Showers then Mostly Clear | 5 mph NNE | 15% |
| Thursday | 85°F | Sunny | 5 mph NNE | 6% |
| Thursday Night | 60°F | Mostly Clear | 0 to 5 mph NNE | 6% |
| Friday | 85°F | Mostly Sunny | 5 to 10 mph NNE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dennis, MS
Last spring frost
Apr 9
First fall frost
Oct 28
Growing season
203 days
Hardiness zone
8a
Explore more for Dennis, MS: full frost dates · planting calendar · Mississippi frost dates
Climate data from the nearest NOAA station, Iuka, Ms (15.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.