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
92°F
Sunny
Sunny. High near 92, with temperatures falling to around 89 in the afternoon. East wind around 5 mph.
7-day forecast for Pearl River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Sunny | 5 mph E | 0% |
| Tonight | 70°F | Clear | 0 to 5 mph SE | 0% |
| Saturday | 95°F | Sunny | 0 to 5 mph E | 2% |
| Saturday Night | 72°F | Clear | 0 mph | 2% |
| Sunday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 15% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 15% |
| Monday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 40% |
| Monday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 40% |
| Tuesday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 20% |
| Tuesday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 20% |
| Wednesday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 20% |
| Wednesday Night | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NE | 20% |
| Thursday | 91°F | Sunny | 5 to 10 mph NE | 10% |
| Thursday Night | 69°F | Mostly Clear | 0 to 5 mph NE | 10% |
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 Sep 19, 2026.