Waterloo, Iowa Weather:
Tuesday, September 22, 2026
Partly Sunny with Showers
Day 61°
Night 46°
Precipitation 60 %
Wind 9 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (September 22, 2025)
Sunny with a Chance of Thunderstorms

Day

79°

Night

59°

Wind

8 mph

UV Index

40

Precipitation

70 %