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.
Overnight
72°F
Mostly Clear
Mostly clear, with a low around 72. Northwest wind around 0 mph.
7-day forecast for Pearl River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 16% |
| Tuesday Night | 74°F | Mostly Clear | 0 mph | 7% |
| Wednesday | 95°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 26% |
| Wednesday Night | 74°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 25% |
| Thursday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 23% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NE | 23% |
| Friday | 92°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 23% |
| Friday Night | 72°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 23% |
| Saturday | 92°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 23% |
| Saturday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 23% |
| Sunday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 45% |
| Sunday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph NE | 45% |
| Monday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 50% |
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 Aug 4, 2026.