Race-day weather · Wyndo for runners
Naperville Turkey Trot weather
November 26, 2026 · Naperville, IL · 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.
Countdown
91 days to race day
The live race-day forecast unlocks 85 days from now, when November 26, 2026 enters the 7-day forecast window — a start-time read for the scheduled 8:00 AM start. Until then, live hourly data is not available; the history below shows what race morning usually looks like.
Typical start temp
32°F
median of 20 years
A warm year
38°F
75th percentile start temp
Rain at the start
5%
1 of 20 measured years
Race-morning weather history
The 8:00 start typically sits near the ~28F daily low, often below freezing (O'Hare Nov 26 normals: high 42.5F / low 27.7F). 2020 virtual. 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
32°F
p75 (a warm year): 38°F
Median dew point
25°F
at the start hour
Rain at the start
5%
1 of 20 measured years
Warmest start
52°F
in 2015
Scroll sideways to see all columns.
| Year | Start temp | Dew point | Wind | Precip (start hr) | Day's high |
|---|---|---|---|---|---|
| 2025 | 27°F | 16°F | 10 mph | dry | 34°F |
| 2024 | 27°F | 19°F | 7 mph | dry | 35°F |
| 2023 | 32°F | 26°F | 5 mph | dry | 47°F |
| 2022 | 36°F | 32°F | 4 mph | dry | 52°F |
| 2021 | 41°F | 36°F | 10 mph | dry | 50°F |
| 2020 | 42°F | 39°F | 6 mph | dry | 45°F |
| 2019 | 30°F | 23°F | 4 mph | dry | 36°F |
| 2018 | 30°F | 23°F | 7 mph | dry | 42°F |
| 2017 | 32°F | 21°F | 7 mph | dry | 47°F |
| 2016 | 38°F | 34°F | 7 mph | dry | 45°F |
| 2015 | 52°F | 48°F | 13 mph | dry | 61°F |
| 2014 | 23°F | 18°F | 8 mph | dry | 26°F |
| 2013 | 23°F | 11°F | 8 mph | dry | 33°F |
| 2012 | 45°F | 43°F | 11 mph | dry | 62°F |
| 2011 | 42°F | 40°F | 9 mph | dry | 51°F |
| 2010 | 38°F | 38°F | 7 mph | dry | 38°F |
| 2009 | 35°F | 34°F | 11 mph | 0.7 mm | 41°F |
| 2008 | 24°F | 20°F | 0 mph | dry | 44°F |
| 2007 | 28°F | 23°F | 11 mph | dry | 35°F |
| 2006 | 29°F | 25°F | 5 mph | dry | 56°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 5k
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.
Your race-day brief
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Race facts
- Start line
- Hillside Rd at Naperville Central High School, 440 Aurora Ave (official: "Race starts on Hillside Rd."). Street-segment geocode nearest the school, approximate.
- Scheduled start
- 8:00 AM (America/Chicago) — 2026 official: "8:00 AM sharp" CT, single mass start, self-seeded by pace signs (no corrals or waves). Race-morning packet pickup 7:00-7:30 is not a start time. No wheelchair gun published.
- Field size
- 2025 finishers (Race Roster). Single timed 5K, no untimed division — no scope ambiguity. Registration is capped (~8,000+, inferred from live tier availability).
- Registration
- open, capped (Race Roster, age-tiered; benefits the Naperville Noon Lions Foundation)
Wyndo is not affiliated with or endorsed by the Naperville Turkey Trot (officially the "Naperville Noon Lions Turkey Trot 5K") 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.