Waterloo
SummerPeak season ~79°F highs
Things to do in Waterloo in August
August is one of the best months to visit Waterloo, with average highs around 79°F. Long days suit beaches, parks and evenings outdoors.
Best picks for August
What's famous here, weighted toward what shines in August.
Also great in August in Iowa
Waterloo in August: quick answers
Is August a good time to visit Waterloo?
August is one of the best months to visit Waterloo, with average highs around 79°F. Long days suit beaches, parks and evenings outdoors.
What is the weather like in Waterloo in August?
Average daytime highs are around 79°F, compared with 82°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.
What are the best things to do in Waterloo in August?
Top picks for August: Effigy Mounds National Monument, Pikes Peak State Park, Upper Mississippi River National Wildlife and Fish Refuge, Backbone State Park, Cedar Valley Aboretum & Botanic Gardens.
