🇺🇸 Weather in Port Saint Lucie
Map Overlays:
Hourly Forecast for Port Saint Lucie
20:00
29°
22%
21:00
26°
71%
22:00
25°
72%
23:00
25°
80%
00:00
28°
6%
01:00
28°
7%
02:00
27°
8%
03:00
27°
8%
04:00
27°
19%
05:00
27°
27%
06:00
26°
80%
07:00
25°
59%
08:00
26°
56%
09:00
27°
19%
10:00
29°
16%
11:00
30°
9%
12:00
32°
4%
13:00
32°
4%
14:00
32°
3%
15:00
33°
3%
16:00
33°
3%
17:00
33°
3%
18:00
33°
9%
19:00
32°
13%
14-Day Forecast for Port Saint Lucie
2026-09-06
Sunny
36° /
24°
2026-09-07
Sunny
33° /
25°
2026-09-08
Overcast
30° /
25°
2026-09-09
Overcast
31° /
27°
2026-09-10
Light rain shower
30° /
25°
2026-09-11
Overcast
31° /
25°
2026-09-12
Light rain shower
30° /
26°
Additional Forecasts for Port Saint Lucie
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 116.0 μg/m³
O₃ (Ozone) 67.0 μg/m³
NO₂ (Nitrogen Dioxide) 2.1 μg/m³
SO₂ (Sulphur Dioxide) 0.3 μg/m³
PM2.5 (Fine particles) 3.0 μg/m³
PM10 (Coarse particles) 3.8 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in Port Saint Lucie — FAQ
Answers refreshed each request based on current conditions in Port Saint Lucie.
What is the weather like right now in Port Saint Lucie?
Right now in Port Saint Lucie, United States the temperature is 33.1°C (feels like 41.0°C), with sunny. Relative humidity is 63% and wind is 11.2 km/h.
What is today's high and low temperature in Port Saint Lucie?
Today's forecast high in Port Saint Lucie is 35.7°C and the overnight low is 24.0°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Port Saint Lucie today?
The chance of precipitation in Port Saint Lucie today is 76%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Port Saint Lucie differ from nearby cities?
Even short distances can change temperatures noticeably. Port Saint Lucie's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.