Race-day weather · Wyndo for runners
Atlanta Thanksgiving Half Marathon weather
November 26, 2026 · Atlanta, GA · scheduled start 7:45 AM (America/New_York). 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 7:45 AM start. Until then, live hourly data is not available; the history below shows what race morning usually looks like.
Typical start temp
39°F
median of 20 years
A warm year
53°F
75th percentile start temp
Rain at the start
15%
3 of 20 measured years
Race-morning weather history
Crisp Thanksgiving mornings, typically 35-50F at the 7:45 start; frost more common than rain. 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
39°F
p75 (a warm year): 53°F
Median dew point
35°F
at the start hour
Rain at the start
15%
3 of 20 measured years
Warmest start
64°F
in 2007
Scroll sideways to see all columns.
| Year | Start temp | Dew point | Wind | Precip (start hr) | Day's high |
|---|---|---|---|---|---|
| 2025 | 37°F | 24°F | 11 mph | dry | 52°F |
| 2024 | 63°F | 60°F | 13 mph | 0.4 mm | 63°F |
| 2023 | 39°F | 35°F | 8 mph | dry | 57°F |
| 2022 | 53°F | 38°F | 7 mph | dry | 61°F |
| 2021 | 32°F | 27°F | 5 mph | dry | 64°F |
| 2020 | 62°F | 61°F | 6 mph | 0.5 mm | 74°F |
| 2019 | 42°F | 30°F | 11 mph | dry | 62°F |
| 2018 | 32°F | 29°F | 4 mph | dry | 59°F |
| 2017 | 40°F | 36°F | 7 mph | dry | 60°F |
| 2016 | 54°F | 52°F | 5 mph | dry | 75°F |
| 2015 | 45°F | 38°F | 9 mph | dry | 67°F |
| 2014 | 39°F | 28°F | 10 mph | dry | 49°F |
| 2013 | 22°F | 16°F | 5 mph | dry | 48°F |
| 2012 | 39°F | 37°F | 4 mph | dry | 69°F |
| 2011 | 37°F | 35°F | 5 mph | dry | 66°F |
| 2010 | 59°F | 58°F | 4 mph | dry | 73°F |
| 2009 | 38°F | 34°F | 7 mph | dry | 57°F |
| 2008 | 31°F | 27°F | 4 mph | dry | 66°F |
| 2007 | 64°F | 62°F | 9 mph | 0.3 mm | 64°F |
| 2006 | 36°F | 28°F | 6 mph | dry | 67°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 half 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.
Your race-day brief
Skip the taper-week refresh spiral. Email briefs for the Atlanta Thanksgiving Half Marathon: a start-hour outlook when race day enters the 7-day forecast window, updates only when it changes meaningfully, and a final look the day before.
Email me when the Atlanta Thanksgiving Half Marathon forecast firms up
The first race-day outlook when your race enters the 7-day forecast window, an update when it changes meaningfully, and a final look the day before.
We'll email you a sign-in code. No password needed.
Race facts
- Start line
- Center Parc Stadium (Georgia State), Hank Aaron Dr SE
- Scheduled start
- 7:45 AM (America/New_York) — 7:45 AM half-marathon start on ATC's own 2026 event page (checked 2026-08-17; 5K 8:15, Mile 8:25). Race-week participant instructions not yet published.
- Field size
- 2023 half-marathon finishers ~4,750 (largest half in Georgia); ~12,000 participants event-wide
- Registration
- open
Wyndo is not affiliated with or endorsed by the Atlanta Thanksgiving Half Marathon (officially the "Invesco QQQ Thanksgiving Day Half Marathon, 5K, Mile & Dash") 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.