Skip to main content
Local Weather Radar Official LogoLocal Weather Radar Official Logo
Plan your week in Saint Lucie County with our detailed 7-Day Weather Forecast. Access reliable daily temperature highs and lows, rain chances, and weekly weather pattern summaries.

Saint Lucie County 7-Day Weather Forecast

Wednesday, Oct 21, 2026

Nighttime
73°F

Mainly Clear

Feels like 73°F

Humidity

69%

Wind Speed

16.1 mph

Precipitation

0 in

Pressure

1017 hPa

UV Index

0

Visibility

10 mi

Cloud Cover

31%

Dew Point

64°F

7-Day Weather Forecast

Today

Oct 21

Mainly Clear
80°H
65°L
0%

Thu

Oct 22

Mainly Clear
79°H
69°L
0%

Fri

Oct 23

Mainly Clear
79°H
64°L
0%

Sat

Oct 24

Mainly Clear
78°H
72°L
0%

Sun

Oct 25

Mainly Clear
74°H
71°L
0%

Mon

Oct 26

Mainly Clear
81°H
75°L
0%

Tue

Oct 27

Mainly Clear
80°H
74°L
0%

24-Hour Forecast

4 AM

73°

0%

5 AM

71°

0%

6 AM

70°

0%

7 AM

69°

0%

8 AM

70°

0%

9 AM

68°

0%

10 AM

66°

0%

11 AM

65°

0%

12 PM

66°

0%

1 PM

70°

0%

2 PM

74°

0%

3 PM

78°

0%

4 PM

80°

0%

5 PM

80°

0%

6 PM

80°

0%

7 PM

80°

0%

8 PM

80°

0%

9 PM

77°

0%

10 PM

76°

0%

11 PM

74°

0%

12 AM

74°

0%

1 AM

73°

0%

2 AM

73°

0%

3 AM

73°

0%

Air Quality (AQI)

52Moderate

Air quality is acceptable. However, there may be a risk for some people.

PM2.5

8.7 µg/m³

PM10

13.4 µg/m³

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

Waxing Gibbous

Waxing Gibbous

Wind Conditions & Storm Tracking

Wind Direction

12.6° NNE

Sustained Wind

16.1 mph

Wind Gusts

16.1 mph

7-Day Temp Range

Week's Hottest

81°F

Max Rain Prob

0%

Expected 7-Day Swings

64°
81°

High and low limits expected over the next week.

Extended Local Forecasts

14 Day Weather Forecast7 Day Weather ForecastHourly Weather Tracker

Location View

Saint Lucie County · 27.36°N, 80.37°W
Radar Page
Coordinates27.3636°N, 80.3710°W
Elevationm
TimezoneAmerica/New_York

Nearby Cities in Florida

More weather updates in Florida

Explore all weather stations, radar maps, and localized forecasts.

Explore All Florida Stations

Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)52Moderate
UV Index0Low Risk
Visibility10 milesClear

Frequently Asked Questions

The 7-day forecast for Saint Lucie County includes comprehensive daily weather summaries, max/min temperatures, and expected rainfall to keep you prepared for the week.

About Saint Lucie County Climate & Weather

Weather forecast for Saint Lucie County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.

Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.