Oak Lawn, Illinois Weather:
Sunday, December 20, 2026
Cloudy Weather
Day 34°
Night 18°
Precipitation 0 %
Wind 12 mph
Weather Forecast History
Last Year's Weather on This Day (December 20, 2025)
Rainy Weather

Day

45°

Night

18°

Wind

15 mph

UV Index

1

Precipitation

40 %