10-Day Weather Forecast - Port Saint Lucie, FL

Mostly cloudy. A slight chance of showers and thunderstorms in the morning. Highs in the mid 70s. West winds 5 to 10 mph. Chance of rain 20 percent.

Considerable cloudiness. A chance of showers after midnight. Lows in the mid 50s. West winds around 5 mph. Chance of rain 40 percent.

Mostly cloudy with a chance of showers in the morning then partly cloudy with a slight chance of afternoon showers. Highs in the upper 60s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Clear. Much cooler. Lows in the lower 30s. Northwest winds 5 to 10 mph. Lowest wind chill readings in the upper 20s after midnight.

Sunny. Highs in the lower 60s.

Mostly clear. Lows around 40.

Mostly sunny. Highs around 70.

Partly cloudy. Lows in the mid 40s.

Sunny. Highs in the upper 60s.

Clear. Lows in the mid 30s.

Sunny. Highs in the mid 60s.

Clear. Lows around 40.

Sunny. Highs in the upper 60s.

Clear. Low temperature around 54F. Dew point will be around 52F with an average humidity of 87%. Winds will be 6 mph from the NE.

Partly cloudy. High temperature around 71F. Dew point will be around 58F with an average humidity of 79%. Winds will be 9 mph from the NE.

Cloudy. Low temperature around 60F. Dew point will be around 60F with an average humidity of 95%. Winds will be 7 mph from the E.

Partly cloudy. High temperature around 75F. Dew point will be around 65F with an average humidity of 86%. Winds will be 9 mph from the E.

Mostly clear. Low temperature around 63F. Dew point will be around 64F with an average humidity of 99%. Winds will be 8 mph from the E.