Rio, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rio, a community in Martin County, Florida.
Overnight
77°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. South southwest wind around 0 mph. Chance of precipitation is 20%.
7-day forecast for Rio
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 77°F | Slight Chance Showers And Thunderstorms | 0 mph | 18% |
| Sunday | 86°F | Showers And Thunderstorms Likely | 0 to 5 mph NNE | 67% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 42% |
| Monday | 86°F | Showers And Thunderstorms Likely | 0 to 10 mph NNE | 74% |
| Monday Night | 76°F | Showers And Thunderstorms Likely | 0 to 5 mph SSE | 74% |
| Tuesday | 86°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 74% |
| Tuesday Night | 77°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 74% |
| Wednesday | 85°F | Chance Showers And Thunderstorms | 0 to 10 mph SE | 82% |
| Wednesday Night | 77°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph NE | 82% |
| Thursday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 63% |
| Thursday Night | 77°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 10 mph NNE | 63% |
| Friday | 85°F | Chance Showers And Thunderstorms | 5 to 15 mph NNE | 62% |
| Friday Night | 77°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 10 mph NE | 62% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 5 to 15 mph NNE | 59% |
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 20, 2026.