St. Petersburg, Florida Weather:
Thursday, May 21, 2026
Cloudy Weather
Day 86°
Night 72°
Precipitation 25 %
Wind 7 mph
Weather Forecast History
Last Year's Weather on This Day (May 21, 2025)
Cloudy Weather

Day

86°

Night

81°

Wind

11 mph

UV Index

12

Precipitation

25 %