Rio, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rio, a community in Martin County, Florida.
Tonight
78°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 78. North northeast wind around 0 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Rio
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 78°F | Chance Showers And Thunderstorms | 0 mph | 27% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 0 to 10 mph NNE | 51% |
| Saturday Night | 76°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 41% |
| Sunday | 85°F | Showers And Thunderstorms Likely | 0 to 5 mph NNE | 70% |
| Sunday Night | 76°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SSE | 70% |
| Monday | 86°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 10 mph SSW | 70% |
| Monday Night | 76°F | Showers And Thunderstorms Likely | 0 to 5 mph SSE | 70% |
| Tuesday | 86°F | Chance Showers And Thunderstorms | 0 to 10 mph S | 83% |
| Tuesday Night | 77°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph SSE | 83% |
| Wednesday | 85°F | Chance Showers And Thunderstorms | 0 to 10 mph SE | 81% |
| Wednesday Night | 77°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph SSE | 81% |
| Thursday | 85°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph NNW | 68% |
| Thursday Night | 77°F | Showers And Thunderstorms Likely | 5 to 10 mph NE | 68% |
| Friday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 68% |
Forecast source: National Weather Service (api.weather.gov) for Rio (27.216, -80.241). Updated through the day.
Growing snapshot for Rio
Last spring frost
Jan 23
First fall frost
Jan 18
Growing season
365 days
Hardiness zone
10b
More local growing data for Rio: nearby ZIP 34994 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Hobe Sound
Hutchinson Island South
Indiantown
Jensen Beach
Jupiter Island
North River Shores
Ocean Breeze
Palm City
Port Salerno
Sewall's Point
Stuart
Tequesta
Climate data from the nearest NOAA station, Stuart, Fl (1.2 mi from Rio). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.