Heat Advisory — Inland Volusia, FL, Northern Lake County, FL, Orange, FL, Seminole, FL, Osceola, FL, Okeechobee, FL, Coastal Volusia, FL, Southern Lake County, FL, Coastal Indian River, FL, Coastal St. Lucie, FL, Coastal Martin, FL, Inland Northern Brevard, FL, Inland Indian River, FL, Inland St. Lucie, FL, Inland Martin, FL, Mainland Northern Brevard, FL, Northern Brevard Barrier Islands, FL, Inland Southern Brevard, FL, Mainland Southern Brevard, FL, Southern Brevard Barrier Islands, FL 7:00 PM

Port Saint Lucie, Florida

Last updated: 5:16 AM CDT  ·  Refresh
26°C
Feels like 32°
Partly Cloudy
▲ 34°  /  ▼ 26°
Wind
2 mph SW
Humidity
94%
Dew Point
25°
Pressure
30.10 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
34%
Sunrise
6:50 AM
Sunset
8:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Port Saint Lucie is currently partly cloudy at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3242 J/kg) — isolated convective development possible. Sunrise: 6:50AM · Sunset: 8:02PM.

Alerts

Heat Advisory
Inland Volusia, FL, Northern Lake County, FL, Orange, FL, Seminole, FL, Osceola, FL, Okeechobee, FL, Coastal Volusia, FL, Southern Lake County, FL, Coastal Indian River, FL, Coastal St. Lucie, FL, Coastal Martin, FL, Inland Northern Brevard, FL, Inland Indian River, FL, Inland St. Lucie, FL, Inland Martin, FL, Mainland Northern Brevard, FL, Northern Brevard Barrier Islands, FL, Inland Southern Brevard, FL, Mainland Southern Brevard, FL, Southern Brevard Barrier Islands, FL
Expires 7:00 PM
39 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
7%
7 AM
26°
24%
8 AM
27°
24%
9 AM
28°
25%
10 AM
30°
25%
11 AM
32°
33%
12 PM
32°
33%
1 PM
33°
36%
2 PM
33°
37%
3 PM
33°
37%
4 PM
33°
38%
5 PM
33°
39%
6 PM
32°
33%
7 PM
32°
33%
8 PM
31°
21%
9 PM
29°
21%
10 PM
28°
21%
11 PM
28°
10%
12 AM
28°
10%
1 AM
27°
8%
2 AM
27°
8%
3 AM
27°
9%
4 AM
27°
9%
5 AM
27°
9%
7-Day Forecast
Today
34° 26°
Mostly Clear with a 37% chance of rain.
Wed
35° 26°
Partly Cloudy with a 64% chance of rain.
Thu
35° 26°
Mostly Clear with a 41% chance of rain.
Fri
34° 26°
Partly Cloudy.
Sat
33° 26°
Partly Cloudy with a 29% chance of rain.
Sun
34° 26°
Overcast with a 38% chance of rain.
Mon
34° 25°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Partly Cloudy 7% 2 mph SW 94%
7 AM 26° Mostly Clear 24% 2 mph SW 92%
8 AM 27° Mostly Clear 24% 2 mph SSW 90%
9 AM 28° Partly Cloudy 25% 2 mph S 83%
10 AM 30° Mostly Clear 25% 2 mph S 75%
11 AM 32° Mostly Clear 33% 2 mph SSE 69%
12 PM 32° Partly Cloudy 33% 3 mph E 66%
1 PM 33° Mostly Clear 36% 6 mph ENE 64%
2 PM 33° Mostly Clear 37% 7 mph ENE 63%
3 PM 33° Mostly Clear 37% 7 mph E 64%
4 PM 33° Mostly Clear 38% 8 mph E 65%
5 PM 33° Mostly Clear 39% 7 mph ESE 66%
6 PM 32° Partly Cloudy 33% 7 mph ESE 70%
7 PM 32° Partly Cloudy 33% 7 mph ESE 75%
8 PM 31° Partly Cloudy 21% 6 mph ESE 78%
9 PM 29° Partly Cloudy 21% 6 mph ESE 81%
10 PM 28° Partly Cloudy 21% 5 mph SE 83%
11 PM 28° Partly Cloudy 10% 5 mph SE 85%
12 AM 28° Partly Cloudy 10% 4 mph SSE 86%
1 AM 27° Partly Cloudy 8% 5 mph S 87%
2 AM 27° Partly Cloudy 8% 5 mph SSW 88%
3 AM 27° Partly Cloudy 9% 5 mph SSW 89%
4 AM 27° Partly Cloudy 9% 5 mph SSW 90%
5 AM 27° Mostly Clear 9% 5 mph SSW 90%
15-Day Forecast
Today
8/11
Mostly Clear
37%
26°
34°
Wed
8/12
Partly Cloudy
64%
26°
35°
Thu
8/13
Mostly Clear
41%
26°
35°
Fri
8/14
Partly Cloudy
15%
26°
34°
Sat
8/15
Partly Cloudy
29%
26°
33°
Sun
8/16
Overcast
38%
26°
34°
Mon
8/17
Rain
63%
25°
34°
Tue
8/18
Rain
73%
25°
34°
Wed
8/19
Rain
73%
26°
34°
Thu
8/20
Rain
66%
26°
33°
Fri
8/21
Drizzle
64%
26°
33°
Sat
8/22
Drizzle
60%
26°
33°
Sun
8/23
Drizzle
60%
26°
33°
Mon
8/24
Drizzle
60%
26°
33°
Tue
8/25
Drizzle
60%
26°
33°
39
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
39 AQI 7.0 µg/m³
O3
Ground-level ozone
23 AQI 25 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 39 Good 23 39
Wed 33 Good 25 33
Thu 37 Good 27 37
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Aug 11, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2285 J/kg
MLCAPE1999 J/kg
MUCAPE3440 J/kg
SBCIN-69 J/kg
MLCIN0 J/kg
Lifted Index-5.3
Kinematics
0–6 km Shear5 kt
0–1 km Shear5 kt
Eff. Shear3 kt
0–1 km SRH-11
0–3 km SRH-7
Eff. SRH-7
Storm Motion127° @ 14 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index16.2
Thermo & Levels
PWAT1.59 in
0–3 km LR4.6 °C/km
700–500 LR6.3 °C/km
Total Totals44.0
LCL1000 hPa
LFC834 hPa
EL161 hPa
Freezing Lvl16,220 ft