Skip to main content

Race-day weather · Wyndo for runners

Twin Cities Marathon weather

October 4, 2026 · Minneapolis, MN · scheduled start 8:00 AM (America/Chicago). What the start usually feels like, year by year — and a live start-time read once the race is inside the 7-day forecast window.

This edition has run

The 2026 Twin Cities Marathon is behind us

The next edition typically follows the race's pattern — 1st Sunday of October (through 2026; organizers announced a shift to a mid-October window starting 2027). We'll flip this page to the new date (and the live start-time read for race week) when the race confirms its schedule. The history below keeps the long view.

Race-morning weather history

2023 race CANCELED morning-of for record heat (forecast ~90F on Oct 1); otherwise typically 40s-50s F at start. Wyndo tracks what this calendar slot has actually served up at the start hour — temperature, dew point, wind, and rain — including the years when weather canceled or disrupted the race, and reads the live forecast for the start once race week arrives.

Median start temp

48°F

p75 (a warm year): 54°F

Median dew point

41°F

at the start hour

Rain at the start

0%

0 of 20 measured years

Warmest start

71°F

in 2007

Scroll sideways to see all columns.

Start-hour weather by year for the Twin Cities Marathon's calendar slot
YearStart tempDew pointWindPrecip (start hr)Day's high
202569°F55°F16 mphdry76°F
202451°F37°F14 mphdry62°F
202369°F60°F11 mphdry90°F
202254°F51°F6 mphdry71°F
202157°F55°F6 mphdry71°F
202033°F31°F4 mphdry55°F
201948°F39°F12 mphdry64°F
201844°F42°F6 mphdry51°F
201756°F43°F13 mphdry62°F
201650°F50°F4 mphdry75°F
201542°F38°F5 mphdry56°F
201437°F33°F7 mphdry49°F
201345°F45°F3 mphdry52°F
201230°F23°F7 mphdry53°F
201144°F36°F7 mphdry77°F
201038°F35°F4 mphdry58°F
200946°F42°F7 mphdry53°F
200849°F40°F11 mphdry58°F
200771°F67°F8 mphdry80°F
200647°F41°F9 mphdry80°F

Slot climatology: each row is the weather at this race's usual calendar slot and start hour (ERA5 reanalysis at the start line) — including years when the edition was canceled or moved. A computed slot date is not a claim the race ran that day.

Your heat-adjusted goal for the marathon

The same cited model as the full calculator, pointed at this race: the median start-hour conditions this calendar slot has served up — climatology, not a forecast.

Pace unit

Training for the next one?

Wyndo can email you when a good running window opens near Minneapolis, MN.

Get an alert when it's a good time for running

Wyndo can email you when a good window opens in Minneapolis, MN.

At most one alert a day for each activity and place you watch, on each channel you've turned on.

We'll email you a sign-in code. No password needed.

Race facts

Start line
U.S. Bank Stadium (615 S 6th St), Minneapolis
Scheduled start
8:00 AM (America/Chicago) — 8:00 AM CT official for 2026; marathon and TC 10 Mile start Sunday morning in assigned corrals/waves. Weekend races (10K/5K) run Saturday Oct 3.
Field size
2025 marathon finishers 7,015
Registration
open

Wyndo is not affiliated with or endorsed by the Twin Cities Marathon (officially the "Medtronic Twin Cities Marathon") or its organizers. Race names are used descriptively to identify the event; schedules and start times belong to the race — always confirm details on the official site. Weather guidance here is informational, never medical advice, and event alert flags on race day belong to the race's own medical team.