Dennis, MS Weather & Growing Conditions
Today
73°F
Mostly Sunny
Mostly sunny. High near 73, with temperatures falling to around 68 in the afternoon. West wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Sunny | 5 to 10 mph W | 9% |
| Tonight | 45°F | Areas Of Fog | 0 to 5 mph NW | 0% |
| Thursday | 71°F | Areas Of Fog then Mostly Sunny | 0 mph | 0% |
| Thursday Night | 43°F | Areas Of Fog | 0 mph | 0% |
| Friday | 69°F | Patchy Fog then Sunny | 0 to 10 mph NNE | 0% |
| Friday Night | 40°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 60°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 | 3% |
| Monday Night | 36°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 68°F | Sunny | 0 to 5 mph W | 2% |
| Tuesday Night | 38°F | Mostly Clear | 0 mph | 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 Nov 4, 2026.