10-Day Weather Forecast - Port Saint Lucie, FL

Mostly sunny. High temperature around 80F. Dew point will be around 63F with an average humidity of 68%. Winds will be 6 mph from the W.

Partly cloudy. Patchy fog after midnight. Lows in the mid 50s. Light and variable winds.

Areas of fog in the morning. Sunny. Highs in the lower 80s. West winds 5 to 10 mph.

Clear in the evening then considerable cloudiness. Lows in the lower 50s. West winds around 5 mph becoming northwest 5 to 10 mph after midnight. Gusts up to 25 mph.

Mostly sunny. Much cooler. Highs in the mid 60s. North winds 5 to 10 mph with gusts up to 25 mph.

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

Sunny. Highs in the mid 60s.

Clear. Lows in the mid 30s.

Sunny. Highs in the upper 60s.

Clear in the evening then becoming partly cloudy. Lows in the lower 40s.

Partly sunny. Highs in the lower 70s.

Partly cloudy. Lows in the upper 40s.

Mostly sunny. Highs in the upper 70s.

Mostly clear. Lows in the mid 50s.

Partly sunny. Highs in the upper 70s.

Clear. Low temperature around 57F. Dew point will be around 57F with an average humidity of 89%. Winds will be 3 mph from the NE.

Sunny. High temperature around 75F. Dew point will be around 59F with an average humidity of 75%. Winds will be 2 mph from the N.

Clear. Low temperature around 56F. Dew point will be around 56F with an average humidity of 87%. Winds will be 2 mph from the E.