Forecast for each day of Kansas City Marathon 2026
- SatOct 17
ClearRain unlikely: chances stay below 20%. Temperatures 41–61°F.
Hour by hour
Hour Weather · rain chance · temperature 7 AM Sunny · 1% · 41°F 8 AM Sunny · 1% · 43°F 9 AM Sunny · 1% · 45°F 10 AM Sunny · 1% · 49°F 11 AM Sunny · 1% · 53°F 12 PM Sunny · 1% · 58°F 1 PM Sunny · 1% · 61°F
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 Kansas City Downtown Airport station, the nearest long-term station to Theis Park (6 miles away).
| Month | Kansas City Kansas City Downtown Airport station · 6 mi from Theis Park | |
|---|---|---|
| High / low °F | Precip (in) | |
| Jan | 40° / 22° | 1.0 |
| Feb | 45° / 26° | 1.5 |
| Mar | 57° / 36° | 2.1 |
| Apr | 67° / 46° | 3.9 |
| May | 76° / 57° | 5.1 |
| Jun | 86° / 67° | 5.3 |
| Jul | 90° / 72° | 4.4 |
| Aug | 89° / 70° | 4.7 |
| Sep | 80° / 61° | 3.8 |
| Oct | 68° / 49° | 3.2 |
| Nov | 55° / 36° | 1.8 |
| Dec | 44° / 27° | 1.3 |
NOAA NCEI U.S. Climate Normals, 1991–2020: KANSAS CITY DOWNTOWN AP (USW00013988, 742 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.
- Kansas City Marathon · officialKansas City Marathon FAQ (start times, course limits)
- Kansas City Marathon · officialKansas City Marathon finish line festival
- Kansas City Marathon · officialGarmin Kansas City Marathon official site
- National Weather ServiceForecast for Theis Park
Check the official National Weather Service forecast for Theis Park and the organizers’ announcements before you go.
Driving to Kansas City Marathon? See the weather for the hour you’ll be on the road
Road Travel times the forecast to your drive into Kansas City, so you see conditions where you will be when you get there, and alerts about storms ahead on the way.
Questions about Kansas City Marathon weather
When is Kansas City Marathon 2026?
October 17, 2026, at Theis Park in Kansas City. Race: 7 AM–1:45 PM, per the organizers.
How much does it rain in Kansas City in October?
Kansas City averages 3.2 inches of rain in October at NOAA’s Kansas City Downtown Airport station (1991–2020 normals). The forecast above shows this year’s chances for each day of the event.
How warm is it in Kansas City in October?
October averages a high of 68°F and a low of 49°F at NOAA’s Kansas City Downtown Airport station (1991–2020 normals).