Measurements:
°C
°F
Port St. Lucie
90°F
NW 13 mph
Feels like: 98°F
Precip: 5%
World Resorts USA Port St. Lucie Weather

7 Day Weather Forecast

08.25
tue
DAY
96°F
W 5 mph
precip
7%
NIGHT
86°F
NW 11 mph
precip
7%
08.26
wed
DAY
92°F
W 9 mph
precip
10%
NIGHT
80°F
N 3 mph
precip
21%
08.27
thu
DAY
90°F
W 5 mph
precip
17%
NIGHT
86°F
NW 9 mph
precip
10%
08.28
fri
DAY
92°F
W 9 mph
precip
13%
NIGHT
80°F
S 3 mph
precip
26%
08.29
sat
DAY
92°F
W 11 mph
precip
53%
NIGHT
86°F
W 10 mph
precip
39%
08.30
sun
DAY
92°F
W 9 mph
precip
25%
NIGHT
86°F
W 11 mph
precip
24%
08.31
mon
DAY
90°F
W 7 mph
precip
36%
NIGHT
86°F
W 9 mph
precip
8%

Port St. Lucie Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Port St. Lucie was 29.6°F. The maximum and minimum values were 28.6°F and 30.4°F respectively.

Port St. Lucie on the Weather Map

Best Time to Visit Port St. Lucie
The most sunny months:
March 15 days
December 14 days
May 13 days
The most warm months:
July 92.7 °F
August 91.7 °F
June 89.9 °F
Warmest sea temperature:
August 88.8 °F
September 88.3 °F
July 87.8 °F
The most cold months:
January 72.6 °F
December 75.9 °F
February 76.8 °F
The most rainy months:
September 4 days
May 3 days
June 3 days
The most windy months:
November 11 mph
April 11 mph
March 11 mph