New York, NY 91° Los Angeles, CA 86° Chicago, IL 80° Houston, TX 99° Miami, FL 97° Phoenix, AZ 97° Seattle, WA 74° Denver, CO 81° Toronto, ON 85° Vancouver, BC 78°
WeatherLive › Florida › Port Saint Lucie

Port Saint Lucie, FL Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherPort Saint Lucie · 4:35 PM EDT
98° | 77°
96°F
Feels like 111°
Sunny
WindNE 5 mph · Gusts 6 mph
Precip5% · –
UV index11 Very high
Air Quality46 Good

Weather map — Port Saint Lucie

Full radar →
Now
96°
3%
5 mph
17:00
95°
3%
7 mph
18:00
92°
3%
9 mph
19:00
88°
4%
10 mph
20:00
86°
4%
10 mph
21:00
85°
4%
9 mph
22:00
84°
4%
6 mph
23:00
83°
5%
7 mph
00:00
81°
8%
7 mph
01:00
82°
9%
6 mph
02:00
81°
8%
7 mph
03:00
81°
20%
6 mph
04:00
80°
9%
6 mph
05:00
80°
9%
6 mph
06:00
80°
9%
6 mph
07:00
79°
23%
5 mph
08:00
81°
9%
3 mph
09:00
83°
7%
4 mph
10:00
86°
5%
4 mph
11:00
87°
4%
4 mph
12:00
88°
4%
6 mph
13:00
89°
0.03 in
8 mph
14:00
90°
4%
9 mph
15:00
89°
17%
10 mph

Today · Thu 8/13

High 98°
5% / –

Sunny. Winds SE at 10 mph.

Tonight · Thu 8/13

Low 79°
4% / –

Sunny. Winds SE at 9 mph.

Tomorrow · Fri 8/14

90° | 79°
37% / 0.03 in

Sunny. Winds E at 11 mph.

Humidity / Dew point
58%
Dew point: 79°
Pressure
30.03 inHg
Sea-level equivalent
Visibility
6 mi
Horizontal, at the surface
Sunrise / Sunset
6:51 AM · 8:01 PM
Length of day: 13h 10m

7-day trend

Port Saint Lucie · temperature + precipitation

10-day forecast

Updated 4:35 PM

Details & indices

Wind
5 mph NE
Gusts 6 mph
Humidity
58%
Dew point 79°
Pressure
30.03 inHg
Rising
UV index
11 — Very high
High today
Air Quality
Good
AQI 46 · US EPA
Allergy
Very high
Grass
Visibility
6 mi
Clear view
Allergy — Port Saint Lucie

🌿 Conditions right now

View all →
Birch
None
Grass
Very high
Oak
None
Alder
None
Hazel
None
Mugwort
Moderate
Ragweed
High

Sun & moon

Sunrise6:51 AM
Sunset8:01 PM
Length of day13h 10m
Moonrise7:29 AM
Moonset8:40 PM
Moon phase🌔 New Moon
Latitude27.2939°N
Longitude-80.3503°E

Water temps nearby

View all →
Palm Beach (45 mi)88°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Jacksonville
Sunny
94°
Miami
Sunny
97°
Tampa
Sunny
96°
Orlando
Sunny
96° 🌤️
St. Petersburg
—
— 🌤️
Hialeah
—
—
Data sources · Thursday, August 13
Where the Port Saint Lucie forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 27.2939°N, -80.3503°.
NBM + global weather models
Updated: 4:35 PM
Weather in Port Saint Lucie
Port Saint Lucie's outlook: warmest day near 98° (Thursday), coldest night about 77° (Sunday). Models drop roughly 0.08 in of precipitation across the stretch — watch Saturday (40%). The NWS alert board for this area is currently clear. Longer view: wet-summer, dry-winter Florida rhythm, with hurricane season June–November.
Port Saint Lucie, FL · Elev 16 ft · 27.29°N, 80.35°W · Florida · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 4:35 PM