Forecast for each day of Detroit Free Press Marathon 2026
Detroit Free Press Marathon 2026 is over: its last day was Oct 18.
Each day covers only the event’s hours, in local time. Levels use the same weather-risk scale as the Road Travel app. For delays or closures, follow the event’s own announcements.
What October is usually like
Monthly normals from NOAA’s Detroit City Airport station, the nearest long-term station to Campus Martius (6 miles away).
| Month | Detroit Detroit City Airport station · 6 mi from Campus Martius | |
|---|---|---|
| High / low °F | Precip (in) | |
| Jan | 32° / 20° | 1.4 |
| Feb | 35° / 21° | 1.4 |
| Mar | 45° / 28° | 2.0 |
| Apr | 58° / 39° | 2.8 |
| May | 70° / 50° | 3.5 |
| Jun | 79° / 60° | 3.1 |
| Jul | 84° / 65° | 3.2 |
| Aug | 81° / 64° | 3.1 |
| Sep | 74° / 56° | 3.1 |
| Oct | 61° / 45° | 2.3 |
| Nov | 48° / 34° | 2.2 |
| Dec | 37° / 26° | 1.7 |
NOAA NCEI U.S. Climate Normals, 1991–2020: DETROIT CITY AP (USW00014822, 626 ft). Precipitation is the monthly total of rain and melted snow, in inches. “—” means the station does not publish that normal.
Official updates
Delays, closures and safety instructions come from the organizers, so these go straight to their pages and to the National Weather Service.
- Detroit Free Press Marathon · officialDetroit Free Press Marathon FAQ (start times)
- Detroit Free Press Marathon · officialDetroit Free Press Marathon safety
- Detroit Free Press Marathon · officialDetroit Free Press Marathon official site
- National Weather ServiceForecast for Campus Martius
Check the official National Weather Service forecast for Campus Martius and the organizers’ announcements before you go.
Driving to Detroit Free Press Marathon? See the weather for the hour you’ll be on the road
Road Travel times the forecast to your drive into Detroit, so you see conditions where you will be when you get there, and alerts about storms ahead on the way.
Questions about Detroit Free Press Marathon weather
When is Detroit Free Press Marathon 2026?
October 18, 2026, at Campus Martius in Detroit. Race: 7 AM–1:30 PM, per the organizers.
How much does it rain in Detroit in October?
Detroit averages 2.3 inches of rain in October at NOAA’s Detroit City Airport station (1991–2020 normals). The forecast above shows this year’s chances for each day of the event.
How warm is it in Detroit in October?
October averages a high of 61°F and a low of 45°F at NOAA’s Detroit City Airport station (1991–2020 normals).