Deerfield Beach, Florida Weather:
Monday, September 21, 2026
Sunny with a Chance of Thunderstorms
Day 88°
Night 75°
Precipitation 80 %
Wind 7 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (September 21, 2025)
Stormy Weather

Day

90°

Night

79°

Wind

6 mph

Precipitation

80 %