Denham Springs, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Denham Springs, a city in East Baton Rouge County, Louisiana.
This Afternoon
95°F
Sunny
Sunny. High near 95, with temperatures falling to around 92 in the afternoon. East wind around 5 mph.
7-day forecast for Denham Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 95°F | Sunny | 5 mph E | 0% |
| Tonight | 71°F | Clear | 0 to 5 mph SE | 0% |
| Saturday | 97°F | Sunny | 0 to 5 mph NE | 1% |
| Saturday Night | 74°F | Clear | 0 to 5 mph S | 1% |
| Sunday | 97°F | Sunny | 0 to 5 mph NE | 3% |
| Sunday Night | 75°F | Mostly Clear | 0 mph | 3% |
| Monday | 97°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph N | 30% |
| Monday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 30% |
| Tuesday | 97°F | Sunny | 0 to 5 mph NE | 13% |
| Tuesday Night | 75°F | Mostly Clear | 0 to 5 mph E | 13% |
| Wednesday | 96°F | Sunny | 0 to 10 mph NE | 8% |
| Wednesday Night | 73°F | Mostly Clear | 0 to 5 mph NE | 8% |
| Thursday | 94°F | Sunny | 5 to 10 mph NE | 6% |
| Thursday Night | 72°F | Mostly Clear | 5 to 10 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Denham Springs (30.474, -90.959). Updated through the day.
Growing snapshot for Denham Springs
Last spring frost
Feb 25
First fall frost
Nov 26
Growing season
276 days
Hardiness zone
9a
More local growing data for Denham Springs: nearby ZIP 70819 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Baker
Baton Rouge
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Inniswold
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Monticello
Oak Hills Place
Old Jefferson
Port Allen
Shenandoah
Village St. George
Westminster
Zachary
Climate data from the nearest NOAA station, Baton Rouge Ryan Ap, La (9.4 mi from Denham Springs). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.