Dennis, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dennis, a community in Tishomingo County, Mississippi.
Today
72°F
Showers And Thunderstorms then Partly Sunny
Showers and thunderstorms before 11am. Partly sunny. High near 72, with temperatures falling to around 68 in the afternoon. West southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Dennis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Showers And Thunderstorms then Partly Sunny | 5 to 10 mph WSW | 88% |
| Tonight | 47°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Thursday | 72°F | Sunny | 0 mph | 0% |
| Thursday Night | 45°F | Mostly Clear | 0 mph | 1% |
| Friday | 70°F | Sunny | 0 to 10 mph NNW | 0% |
| Friday Night | 42°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 61°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 36°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 61°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 35°F | Mostly Clear | 0 to 5 mph N | 0% |
| Monday | 65°F | Sunny | 0 to 5 mph N | 2% |
| Monday Night | 36°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 68°F | Sunny | 0 to 5 mph W | 2% |
| Tuesday Night | 39°F | Mostly Clear | 0 mph | 1% |
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 Nov 4, 2026.