Geek Weather

Interactive weather forecasts, historical data graphs, and multi-city comparisons. Zoom from yearly overview to hourly detail.

This application requires JavaScript to display interactive weather graphs and maps. Please enable JavaScript in your browser settings for the full experience.

Browse all locations — view weather forecasts and historical data for cities worldwide.

About Marshalltown, IA's Climate & Weather History

Marshalltown, in Iowa, United States, is home to roughly 27,600 people in the Central Time Zone at 42°N latitude.

View current conditions and forecast for Marshalltown · More cities in Iowa