Jupiter Island, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jupiter Island, a town in Martin County, Florida.
This Afternoon
83°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
7-day forecast for Jupiter Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Chance Showers And Thunderstorms | 15 mph E | 30% |
| Tonight | 77°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph E | 23% |
| Wednesday | 83°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 10 to 15 mph E | 21% |
| Wednesday Night | 75°F | Partly Cloudy | 5 to 10 mph E | 8% |
| Thursday | 83°F | Sunny | 5 to 10 mph ENE | 2% |
| Thursday Night | 74°F | Mostly Clear | 0 to 5 mph ENE | 2% |
| Friday | 83°F | Sunny | 5 mph NE | 8% |
| Friday Night | 72°F | Mostly Clear | 0 to 5 mph ENE | 8% |
| Saturday | 83°F | Sunny | 0 to 5 mph N | 3% |
| Saturday Night | 71°F | Mostly Clear | 0 to 5 mph NNW | 3% |
| Sunday | 82°F | Sunny | 5 mph NNW | 14% |
| Sunday Night | 70°F | Partly Cloudy | 5 to 10 mph NNW | 14% |
| Monday | 80°F | Chance Rain Showers | 10 to 15 mph N | 28% |
| Monday Night | 69°F | Chance Rain Showers | 10 mph NE | 28% |
Forecast source: National Weather Service (api.weather.gov) for Jupiter Island (27.027, -80.102). Updated through the day.
Growing snapshot for Jupiter Island
Last spring frost
Jan 26
First fall frost
Jan 16
Growing season
365 days
Hardiness zone
10b
More local growing data for Jupiter Island: nearby ZIP 33469 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Hobe Sound
Hutchinson Island South
Indiantown
Jensen Beach
North River Shores
Ocean Breeze
Palm City
Port Salerno
Rio
Sewall's Point
Stuart
Tequesta
Climate data from the nearest NOAA station, Juno Beach, Fl (9.5 mi from Jupiter Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.