Rio, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rio, a community in St. Tammany County, Louisiana.
Today
95°F
Sunny
Sunny. High near 95, with temperatures falling to around 93 in the afternoon. North wind 0 to 5 mph.
7-day forecast for Rio
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 0 to 5 mph N | 6% |
| Tonight | 73°F | Mostly Clear | 0 mph | 2% |
| Wednesday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 17% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 19% |
| Thursday | 95°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 30% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 30% |
| Friday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 21% |
| Friday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph E | 21% |
| Saturday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 23% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 23% |
| Sunday | 93°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 49% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 49% |
| Monday | 93°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 52% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph NE | 52% |
Forecast source: National Weather Service (api.weather.gov) for Rio (30.691, -89.890). Updated through the day.
Growing snapshot for Rio
Last spring frost
Mar 2
First fall frost
Nov 23
Growing season
265 days
Hardiness zone
9a
More local growing data for Rio: nearby ZIP 70463 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Abita Springs
Covington
Eden Isle
Folsom
Lacombe
Lewisburg
Madisonville
Mandeville
Pearl River
Slidell
Sun
Climate data from the nearest NOAA station, Bogalusa, La (8.9 mi from Rio). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.