Detroit weather in August
Long-run climate averages for Detroit, MI in August, plus what the forecast models say for the days ahead.
In August, Detroit averages 79°F by day and 63°F at night. The wettest month is usually April.
August in Detroit averages a daytime high of 79°F and an overnight low of 63°F, which reads as warm for this part of the world. It is among the three warmest months of the year here. Across the whole year Detroit sees roughly 38 inches of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live Detroit forecast with every model compared and how much they currently agree.
Detroit weather by month
what to expect in Detroit through the yearHere is Detroit's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Detroit by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Detroit, scoring 91/100 on our CheckWeather Score, ahead of the American at 74. See the full US accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Detroit in August?
Is August a good time to visit Detroit?
Does it rain a lot in Detroit in August?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .