Port St. Lucie, FL Weather Tomorrow

Explore tomorrow's Port St. Lucie weather before planning your week with a detailed 5 day forecast featuring daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Port St. Lucie area.
Updated: Sat Oct 31st 2026 1:30 PM EDT
Port St. Lucie, FL Weather – 10-31 – Light Rain Shower
81° / 76°
Light Rain Shower
Port St. Lucie is set for rain with temperatures peaking at 81°F and dipping to 76°F. The chance of rain is 84% with an estimated 0.41in. Wind will be moderate, blowing around 20mph on average and gusts of 26.2mph at 10 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 84% at 8 PM and 75% being its lowest at 2 PM. Barometric pressure is its highest of 30.12inHg at 9 PM, a lowest point of 30.06inHg at 4 PM with an avg 30.09inHg.
Port St. Lucie, FL Weather – 11-1 – Light Rain Shower
80° / 75°

Weather Tomorrow

Light Rain Shower
In Port St. Lucie, rain is likely with a high near 80°F and a low around 75°F. The chance of rain is 87% with an estimated 1.31in. Winds will be strong at speeds peaking at 21mph and gusts of 26.8mph at 6 PM. The humidity will be on the higher side, averaging about 80%, the maximum being 86% at 1 AM and 74% being its lowest at 11 AM. Barometric pressure is its highest of 30.14inHg at 9 AM, a lowest point of 30.05inHg at 4 PM with an avg 30.09inHg.
Port St. Lucie, FL Weather – 11-2 – Light Rain Shower
76° / 73°
Light Rain Shower
Daytime highs will reach 76°F with lows dropping to 73°F in Port St. Lucie, where it will rain at times. The chance of rain is 86% with an estimated 1.32in. Winds will be strong at speeds peaking at 21mph and gusts of 25.8mph at 8 AM. High humidity with average of 82% is anticipated, the maximum being 89% at 7 AM and 74% being its lowest at 11 PM. Barometric pressure is its highest of 30.1inHg at 9 AM, a lowest point of 29.97inHg at 4 PM with an avg 30.04inHg.
Port St. Lucie, FL Weather – 11-3 – Scattered Showers
80° / 74°
Scattered Showers
Daytime highs will reach 80°F with lows dropping to 74°F in Port St. Lucie, where showers likely at times. The chance of rain is 78% with an estimated 0.26in. Wind will be moderate, blowing around 18mph on average and gusts of 23mph at 11 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 86% at 4 AM and 69% being its lowest at 12 PM. Barometric pressure is its highest of 30inHg at 10 AM, a lowest point of 29.92inHg at 3 PM with an avg 29.96inHg.
Port St. Lucie, FL Weather – 11-4 – Scattered Showers
81° / 75°
Scattered Showers
Daytime highs will reach 81°F with lows dropping to 75°F in Port St. Lucie, where on and off showers are set to occur. The chance of rain is 78% with an estimated 0.23in. Wind will be moderate, blowing around 18mph on average and gusts of 22.4mph at 12 AM. The humidity will be on the higher side, averaging about 77%, the maximum being 88% at 4 AM and 69% being its lowest at 8 PM. Barometric pressure is its highest of 29.93inHg at 10 AM, a lowest point of 29.84inHg at 4 PM with an avg 29.89inHg.
Port St. Lucie, FL Weather – 11-5 – Scattered Showers
81° / 72°
Scattered Showers
Passing showers are in the forecast for Port St. Lucie, with a high of 81°F and a low of 72°F. The chance of rain is 80% with an estimated 0.24in. Wind will be moderate, blowing around 11mph on average and gusts of 14.1mph at 12 AM. High humidity with average of 83% is anticipated, the maximum being 93% at 7 AM and 72% being its lowest at 1 PM. Barometric pressure is its highest of 29.87inHg at 12 AM, a lowest point of 29.78inHg at 4 PM with an avg 29.82inHg.

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