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.
Overnight
67°F
Chance Rain Showers
A chance of rain showers and patchy fog. Mostly cloudy. Low around 67, with temperatures rising to around 69 overnight. Southwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Denham Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Chance Rain Showers | 5 mph SW | 39% |
| Wednesday | 80°F | Patchy Fog then Mostly Sunny | 5 mph NW | 24% |
| Wednesday Night | 53°F | Mostly Clear then Patchy Fog | 0 to 5 mph N | 0% |
| Thursday | 82°F | Sunny | 0 to 5 mph N | 0% |
| Thursday Night | 58°F | Partly Cloudy | 0 to 5 mph NW | 4% |
| Friday | 82°F | Mostly Sunny | 5 mph N | 2% |
| Friday Night | 54°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 76°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Saturday Night | 48°F | Partly Cloudy | 5 mph N | 2% |
| Sunday | 70°F | Mostly Sunny | 5 to 10 mph N | 5% |
| Sunday Night | 44°F | Slight Chance Rain Showers then Partly Cloudy | 5 mph N | 15% |
| Monday | 72°F | Sunny | 5 mph N | 5% |
| Monday Night | 44°F | Mostly Clear | 0 mph | 4% |
| Tuesday | 75°F | Sunny | 0 to 5 mph N | 4% |
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
Brownfields
Central
Gardere
Inniswold
Merrydale
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 Nov 4, 2026.