Jupiter Island, FL Weather & Growing Conditions
This Afternoon
85°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 85, with temperatures falling to around 81 in the afternoon. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Chance Showers And Thunderstorms | 15 mph E | 31% |
| Tonight | 75°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph E | 23% |
| Wednesday | 85°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 15 mph E | 21% |
| Wednesday Night | 73°F | Partly Cloudy | 0 to 5 mph E | 8% |
| Thursday | 85°F | Sunny | 0 to 10 mph NE | 2% |
| Thursday Night | 73°F | Mostly Clear | 0 to 5 mph ENE | 2% |
| Friday | 84°F | Sunny | 0 to 5 mph NE | 8% |
| Friday Night | 71°F | Mostly Clear | 0 to 5 mph N | 8% |
| Saturday | 84°F | Sunny | 0 to 5 mph N | 3% |
| Saturday Night | 70°F | Mostly Clear | 0 to 5 mph N | 3% |
| Sunday | 83°F | Sunny | 0 to 5 mph NNW | 14% |
| Sunday Night | 69°F | Partly Cloudy | 0 to 5 mph NNW | 14% |
| Monday | 81°F | Chance Rain Showers | 5 to 10 mph N | 28% |
| Monday Night | 68°F | Chance Rain Showers | 5 to 10 mph NE | 28% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jupiter Island, FL
Last spring frost
Jan 26
First fall frost
Jan 16
Growing season
365 days
Hardiness zone
10b
Explore more for Jupiter Island, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Juno Beach, Fl (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.