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: 4:33 PM CDT  ·  Refresh
32°C
Feels like 40°
Mostly Clear
▲ 33°  /  ▼ 26°
Wind
7 mph E
Humidity
66%
Dew Point
24°
Pressure
30.08 inHg
Visibility
9 mi
UV Index
6.2
Cloud Cover
11%
Sunrise
6:52 AM
Sunset
7:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Port Saint Lucie is currently mostly clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2921 J/kg) — isolated convective development possible. Sunrise: 6:52AM · Sunset: 7:59PM.

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
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
3%
6 PM
32°
3%
7 PM
31°
3%
8 PM
30°
5%
9 PM
29°
5%
10 PM
29°
8%
11 PM
28°
8%
12 AM
28°
8%
1 AM
27°
8%
2 AM
27°
22%
3 AM
27°
23%
4 AM
27°
23%
5 AM
26°
24%
6 AM
26°
27%
7 AM
27°
45%
8 AM
27°
45%
9 AM
28°
26%
10 AM
29°
26%
11 AM
30°
27%
12 PM
32°
23%
1 PM
32°
23%
2 PM
32°
10%
3 PM
32°
10%
4 PM
32°
11%
7-Day Forecast
Today
33° 26°
Mostly Clear.
Sat
34° 26°
Mostly Clear with a 45% chance of rain.
Sun
35° 24°
Partly Cloudy with a 37% chance of rain.
Mon
37° 26°
Clear with a 52% chance of rain.
Tue
35° 26°
Clear.
Wed
35° 26°
Thunderstorm, 60% chance.
Thu
34° 26°
Clear with a 35% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 3% 7 mph E 66%
6 PM 32° Mostly Clear 3% 7 mph E 71%
7 PM 31° Clear 3% 7 mph ESE 75%
8 PM 30° Mostly Clear 5% 6 mph ESE 79%
9 PM 29° Mostly Clear 5% 5 mph ESE 82%
10 PM 29° Mostly Clear 8% 5 mph SE 85%
11 PM 28° Mostly Clear 8% 5 mph SE 88%
12 AM 28° Partly Cloudy 8% 5 mph SE 89%
1 AM 27° Partly Cloudy 8% 5 mph SSE 90%
2 AM 27° Partly Cloudy 22% 4 mph SSE 91%
3 AM 27° Partly Cloudy 23% 4 mph SSE 91%
4 AM 27° Partly Cloudy 23% 3 mph SSE 90%
5 AM 26° Partly Cloudy 24% 3 mph SSE 90%
6 AM 26° Partly Cloudy 27% 3 mph SE 89%
7 AM 27° Partly Cloudy 45% 2 mph SE 89%
8 AM 27° Partly Cloudy 45% 3 mph SE 86%
9 AM 28° Partly Cloudy 26% 3 mph SE 79%
10 AM 29° Partly Cloudy 26% 4 mph SE 73%
11 AM 30° Partly Cloudy 27% 4 mph ESE 68%
12 PM 32° Mostly Clear 23% 5 mph ESE 64%
1 PM 32° Mostly Clear 23% 5 mph ESE 61%
2 PM 32° Mostly Clear 10% 6 mph ESE 62%
3 PM 32° Mostly Clear 10% 7 mph ESE 65%
4 PM 32° Mostly Clear 11% 10 mph ESE 68%
15-Day Forecast
Today
8/14
Mostly Clear
8%
26°
33°
Sat
8/15
Mostly Clear
45%
26°
34°
Sun
8/16
Partly Cloudy
37%
24°
35°
Mon
8/17
Clear
52%
26°
37°
Tue
8/18
Clear
19%
26°
35°
Wed
8/19
Thunderstorm
60%
26°
35°
Thu
8/20
Clear
35%
26°
34°
Fri
8/21
Drizzle
60%
26°
33°
Sat
8/22
Drizzle
60%
26°
33°
Sun
8/23
Thunderstorm
60%
26°
33°
Mon
8/24
Thunderstorm
60%
26°
32°
Tue
8/25
Drizzle
60%
26°
32°
Wed
8/26
Drizzle
60%
26°
32°
Thu
8/27
Drizzle
60%
26°
32°
Fri
8/28
Drizzle
60%
26°
33°
51
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
51 AQI 9.2 µg/m³
O3
Ground-level ozone
23 AQI 25 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 51 Moderate 23 51
Sun 53 Moderate 19 53
Mon 54 Moderate 30 54
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 Fri Aug 14, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2919 J/kg
MLCAPE1144 J/kg
MUCAPE2919 J/kg
SBCIN-0 J/kg
MLCIN-54 J/kg
Lifted Index-7.0
Kinematics
0–6 km Shear3 kt
0–1 km Shear3 kt
Eff. Shear9 kt
0–1 km SRH-9
0–3 km SRH3
Eff. SRH3
Storm Motion145° @ 19 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.9
Thermo & Levels
PWAT1.97 in
0–3 km LR7.0 °C/km
700–500 LR6.0 °C/km
Total Totals44.1
LCL905 hPa
LFC899 hPa
EL140 hPa
Freezing Lvl15,699 ft