Rio, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rio, a community in Martin County, Florida.
Today
88°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely between 11am and 3pm, then showers and thunderstorms between 3pm and 4pm, then showers and thunderstorms likely between 4pm and 5pm, then showers and thunderstorms. Partly sunny. High near 88, with temperatures falling to around 83 in the afternoon. South southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Rio
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Showers And Thunderstorms Likely | 5 to 10 mph SSE | 78% |
| Tonight | 78°F | Showers And Thunderstorms Likely then Mostly Cloudy | 0 to 5 mph SSE | 71% |
| Wednesday | 86°F | Chance Showers And Thunderstorms | 0 to 10 mph ESE | 62% |
| Wednesday Night | 80°F | Chance Showers And Thunderstorms | 10 mph ESE | 48% |
| Thursday | 87°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 52% |
| Thursday Night | 80°F | Chance Showers And Thunderstorms | 15 mph E | 63% |
| Friday | 86°F | Showers And Thunderstorms Likely | 15 mph E | 68% |
| Friday Night | 79°F | Showers And Thunderstorms Likely | 10 to 15 mph ESE | 61% |
| Saturday | 88°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 to 15 mph ESE | 60% |
| Saturday Night | 80°F | Showers And Thunderstorms Likely | 5 to 10 mph ESE | 60% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 5 to 15 mph ESE | 39% |
| Sunday Night | 80°F | Chance Showers And Thunderstorms then Mostly Clear | 5 to 10 mph ESE | 39% |
| Monday | 88°F | Chance Showers And Thunderstorms | 5 to 10 mph ESE | 33% |
| Monday Night | 80°F | Chance Showers And Thunderstorms then Mostly Clear | 5 to 10 mph ESE | 33% |
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 Aug 4, 2026.