Pearl River, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pearl River, a town in St. Tammany County, Louisiana.
This Afternoon
81°F
Partly Sunny
Partly sunny. High near 81, with temperatures falling to around 74 in the afternoon. Southeast wind 5 to 10 mph.
7-day forecast for Pearl River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Partly Sunny | 5 to 10 mph SE | 10% |
| Tonight | 65°F | Mostly Cloudy then Patchy Fog | 0 mph | 8% |
| Wednesday | 82°F | Slight Chance Rain Showers | 0 to 5 mph W | 23% |
| Wednesday Night | 57°F | Partly Cloudy | 0 mph | 2% |
| Thursday | 81°F | Sunny | 0 to 5 mph NW | 9% |
| Thursday Night | 55°F | Chance Rain Showers | 0 mph | 28% |
| Friday | 80°F | Chance Rain Showers then Partly Sunny | 0 to 5 mph NW | 32% |
| Friday Night | 51°F | Partly Cloudy | 0 to 5 mph N | 5% |
| Saturday | 76°F | Mostly Sunny | 5 mph N | 5% |
| Saturday Night | 45°F | Partly Cloudy | 0 to 5 mph N | 10% |
| Sunday | 69°F | Mostly Sunny | 5 mph N | 11% |
| Sunday Night | 42°F | Mostly Clear | 5 mph N | 4% |
| Monday | 72°F | Sunny | 0 to 5 mph N | 3% |
| Monday Night | 42°F | Clear | 0 to 5 mph N | 2% |
Forecast source: National Weather Service (api.weather.gov) for Pearl River (30.371, -89.750). Updated through the day.
Growing snapshot for Pearl River
Last spring frost
Mar 3
First fall frost
Nov 21
Growing season
263 days
Hardiness zone
9a
More local growing data for Pearl River: nearby ZIP 70452 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Slidell Ap, La (6.5 mi from Pearl River). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.