77°Chance Showers And Thunderstorms27% rainWeather status
No dangerous weather alerts for Port St. Lucie, FL
Conditions can change quickly. Keep Wireless Emergency Alerts enabled and continue to monitor official information.
Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes
Live Doppler radar
Animated Multi-Radar/Multi-Sensor reflectivity from the National Weather Service’s network of Doppler radars. Search a U.S. city, ZIP code, or street address to center the map on local weather, then zoom to neighborhood street detail.
Live radar is ready when you need it.
The interactive map stays off until opened to keep forecasts fast.
After loading, MyUSA.us shows the exact Doppler frame time, refresh controls, and an official NWS fallback if the map is unavailable.Doppler radar and warnings: NOAA/National Weather Service · Map: OpenFreeMap, OpenMapTiles and OpenStreetMap contributors. Radar can be delayed briefly during service updates.
MyUSA.us is not affiliated with or endorsed by NOAA or the National Weather Service. For life-threatening weather, follow official NWS alerts and local authorities.
What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Port St. Lucie, FL. Forecasts and alerts update from NOAA and the National Weather Service.
77°Chance Showers And Thunderstorms27% rain77°Slight Chance Showers And Thunderstorms16% rain
77°Mostly Cloudy11% rain77°Mostly Cloudy8% rain76°Mostly Cloudy11% rain76°Mostly Cloudy10% rain75°Mostly Cloudy7% rain
75°Partly Cloudy6% rainNext 24 hours
Rain Timeline
Most likely around 2 PM, 3 PM, 4 PM. Expected type: Thunderstorms.
27%Thunderstorms
16%Thunderstorms
11%None
8%None
11%None
10%None
7%None
6%None
8%None
4%None
3%None
4%None
5%None
10%None
16%Thunderstorms
23%Thunderstorms
46%Thunderstorms
45%Thunderstorms
41%Thunderstorms
34%Thunderstorms
29%Thunderstorms
37%Thunderstorms
29%Thunderstorms
31%Thunderstorms
Official NWS outlook
7-Day Forecast
Today
77°74°
Chance Showers And Thunderstorms then Mostly Cloudy
- Precipitation
- 31%
- Wind
- 0 mph
- Sunrise
- 7:04 AM
- Sunset
- 7:37 PM
Tue
91°76°
Partly Sunny then Chance Showers And Thunderstorms
- Precipitation
- 46%
- Wind
- SE 0 to 5 mph
- Sunrise
- 7:05 AM
- Sunset
- 7:36 PM
Wed
91°76°
Showers And Thunderstorms Likely
- Precipitation
- 62%
- Wind
- ESE 0 to 10 mph
- Sunrise
- 7:05 AM
- Sunset
- 7:34 PM
Thu
91°75°
Showers And Thunderstorms Likely
- Precipitation
- 70%
- Wind
- ESE 0 to 5 mph
- Sunrise
- 7:05 AM
- Sunset
- 7:33 PM
Fri
92°75°
Showers And Thunderstorms
- Precipitation
- 78%
- Wind
- SE 0 to 5 mph
- Sunrise
- 7:06 AM
- Sunset
- 7:32 PM
Sat
92°75°
Showers And Thunderstorms
- Precipitation
- 75%
- Wind
- E 0 to 5 mph
- Sunrise
- 7:06 AM
- Sunset
- 7:31 PM
Sun
91°75°
Showers And Thunderstorms Likely
- Precipitation
- 74%
- Wind
- SE 0 to 5 mph
- Sunrise
- 7:07 AM
- Sunset
- 7:30 PM
Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.
Weather guidance for your areaPlan with the complete forecast
Safety guides Use current official weather information for Port St. Lucie, FL before making weather-sensitive plans.
Current forecastStart with the hourly forecastCheck when rain, wind, and temperature changes overlap your plans.
Open→Live weatherCheck live radar before leavingUse radar with the forecast to see how precipitation is moving.
Open→Safety guideReview official safety guidancePrepare for storms, flooding, heat, cold, and other hazards.
Open→Healthy weatherInclude air quality in outdoor plansUse official EPA information when planning time outside.
Open→Weather for a healthier day
Healthy Weather
Real Feel77°F
Good conditions for walking
Conditions look reasonable, but stay alert for quick weather changes.
WindCalm0 mph
Best walk timeBetter weather window: 7 AM–9 AM
Walking: 4% average rain chance, near 76°F.
Official EPA AirNowLocal air qualityPort St. Lucie, FLView AQI +
More weather details
Wind gustsNot reported
Rain now27%next hour
Humidity100%current
UV indexCheckingEPA forecast
Wind impact: Light wind with little expected outdoor impact.
“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.
Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure29.99 in
Visibility10.0 mi
Peak rain chance46%
Dew point77°F
Active alertsNone
Official risk outlooks
These national tools add expert storm, heavy-rain and flooding context to your local forecast.
More local weather toolsTraffic cameras, hurricane information, and safety guidesOpen +
Loading nearby traffic cameras…
Official tropical weather
Hurricane center
NOAA National Hurricane Center updates, outlooks, and storm resources in one place.
NOAA / NHC Atlantic
Hurricane center
Official Atlantic, Caribbean, and Gulf updatesSimple, useful help
Weather safety guides
Quick answers for heat, storms, flooding and hurricane preparation—kept separate so your main weather page stays clean.