Port St. Lucie, Florida Weather:
Thursday, June 18, 2026
Partly Sunny with Showers
Day 90°
Night 75°
Precipitation 55 %
Wind 5 mph
UV Index (0 - 11+) 8
Weather Forecast History
Last Year's Weather on This Day (June 18, 2025)
Sunny with a Chance of Thunderstorms

Day

93°

Night

73°

Wind

12 mph

UV Index

12

Precipitation

80 %