10-Day Weather Forecast - Port Saint Lucie, FL

Partly sunny with showers likely and a chance of thunderstorms. Some storms may produce gusty winds and heavy rainfall. Highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Mostly cloudy with a chance of thunderstorms. Showers likely in the late evening and early morning then a chance of showers after midnight. Cooler. Lows in the lower 50s. West winds 5 to 10 mph becoming northwest after midnight. Gusts up to 25 mph. Chance of rain 60 percent.

Mostly cloudy. A slight chance of showers late in the morning. Much cooler. Highs in the mid 60s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Cloudy. A slight chance of showers after midnight. Lows in the lower 50s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

Mostly cloudy with a slight chance of showers. Highs around 70. Chance of rain 20 percent.

Partly cloudy with a slight chance of showers. Lows in the mid 50s. Chance of rain 20 percent.

Partly sunny. A slight chance of showers late in the morning. Highs in the mid 70s. Chance of rain 20 percent.

Partly cloudy. Lows in the mid 50s.

Mostly sunny. Highs in the mid 70s.

Mostly clear. Lows in the lower 50s.

Sunny. Highs in the upper 70s.

Clear. Lows in the lower 50s.

Sunny. Highs in the lower 80s.

Clear. Low temperature around 64F. Dew point will be around 64F with an average humidity of 87%. Winds will be 5 mph from the SW.

Sunny. High temperature around 82F. Dew point will be around 67F with an average humidity of 78%. Winds will be 4 mph from the NE.

Clear. Low temperature around 67F. Dew point will be around 67F with an average humidity of 93%. Winds will be 5 mph from the E.

Sunny. High temperature around 79F. Dew point will be around 69F with an average humidity of 84%. Winds will be 9 mph from the E.

Clear. Low temperature around 67F. Dew point will be around 68F with an average humidity of 96%. Winds will be 9 mph from the E.