10-Day Weather Forecast - Port Saint Lucie, FL

Mostly sunny. Highs in the mid 70s. Northwest winds around 5 mph becoming southwest in the afternoon.

Clear in the evening then partly cloudy with a slight chance of showers after midnight. Lows in the upper 40s. Southwest winds around 5 mph. Chance of rain 20 percent.

Considerable cloudiness with a chance of showers in the morning then partly sunny in the afternoon. Cooler. Highs in the mid 60s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

Clear cooler. Lows in the mid 30s.

Sunny. Highs in the mid 60s.

Clear. Lows in the lower 40s.

Sunny. Highs in the lower 70s.

Clear. Lows in the lower 40s.

Sunny. Highs in the mid 70s.

Clear. Lows in the mid 40s.

Sunny. Highs in the mid 70s.

Clear. Low temperature around 53F. Dew point will be around 55F with an average humidity of 89%. Winds will be 2 mph from the N.

Sunny. High temperature around 72F. Dew point will be around 58F with an average humidity of 77%. Winds will be 5 mph from the NE.

Clear. Low temperature around 56F. Dew point will be around 59F with an average humidity of 95%. Winds will be 6 mph from the E.

Mostly sunny. High temperature around 73F. Dew point will be around 61F with an average humidity of 81%. Winds will be 6 mph from the E.

Clear. Low temperature around 57F. Dew point will be around 60F with an average humidity of 95%. Winds will be 5 mph from the E.

Sunny. High temperature around 75F. Dew point will be around 62F with an average humidity of 81%. Winds will be 5 mph from the E.

Clear. Low temperature around 57F. Dew point will be around 60F with an average humidity of 95%. Winds will be 4 mph from the E.