Measurements:
°C
°F
CURRENT WEATHER
13:07
Port St. Lucie
90°F
S 8 mph
Feels like: 96°F
Precip: 0%
World Resorts USA Port St. Lucie Weather

7 Day Weather Forecast

05.14
thu
DAY
90°F
S 8 mph
precip
0%
NIGHT
80°F
W 6 mph
precip
0%
05.15
fri
DAY
88°F
W 11 mph
precip
0%
NIGHT
80°F
NW 10 mph
precip
0%
05.16
sat
DAY
86°F
W 15 mph
precip
88%
NIGHT
80°F
NW 10 mph
precip
0%
05.17
sun
DAY
86°F
W 14 mph
precip
100%
NIGHT
80°F
W 12 mph
precip
0%
05.18
mon
DAY
86°F
W 14 mph
precip
100%
NIGHT
80°F
W 12 mph
precip
100%
05.19
tue
DAY
86°F
W 12 mph
precip
100%
NIGHT
80°F
W 11 mph
precip
67%
05.20
wed
DAY
86°F
W 10 mph
precip
100%
NIGHT
80°F
W 11 mph
precip
0%

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

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Port St. Lucie was 26.1°F. The maximum and minimum values were 24.6°F and 27.5°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
February 12 days
The most warm months:
July 91.7 °F
August 91.7 °F
September 89.5 °F
Warmest sea temperature:
August 88.7 °F
September 88.3 °F
July 87.6 °F
The most cold months:
January 72.6 °F
December 75.9 °F
February 76.8 °F
The most rainy months:
September 4 days
June 3 days
April 2 days
The most windy months:
November 11 mph
April 11 mph
March 11 mph
more details