Rio, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rio, a community in Martin County, Florida.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. East wind 10 to 15 mph, with gusts as high as 20 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Rio
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 10 to 15 mph E | 11% |
| Tonight | 75°F | Partly Cloudy | 5 to 10 mph E | 5% |
| Thursday | 83°F | Sunny | 5 to 10 mph ENE | 3% |
| Thursday Night | 74°F | Mostly Clear | 0 to 5 mph NE | 1% |
| Friday | 83°F | Sunny | 5 to 10 mph NNE | 10% |
| Friday Night | 72°F | Mostly Clear | 0 to 5 mph SSE | 10% |
| Saturday | 83°F | Sunny | 5 to 10 mph NNW | 4% |
| Saturday Night | 72°F | Slight Chance Rain Showers | 5 mph N | 15% |
| Sunday | 81°F | Sunny | 5 to 10 mph N | 8% |
| Sunday Night | 70°F | Partly Cloudy | 5 mph NNE | 10% |
| Monday | 78°F | Mostly Sunny then Slight Chance Rain Showers | 10 mph NNE | 15% |
| Monday Night | 70°F | Slight Chance Rain Showers then Partly Cloudy | 10 mph NNE | 15% |
| Tuesday | 79°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Tuesday Night | 70°F | Slight Chance Rain Showers | 5 to 10 mph NNE | 20% |
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 Nov 4, 2026.