Race-day weather · Wyndo for runners
Philadelphia Marathon weather
November 22, 2026 · Philadelphia, PA · scheduled start 7:00 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
123 days to race day
The live race-day forecast unlocks 117 days from now, when November 22, 2026 enters the 7-day forecast window — a start-time read for the scheduled 7:00 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
42°F
75th percentile start temp
Rain at the start
10%
2 of 20 measured years
Race-morning weather history
Late-November Philadelphia is often cold and blustery along the Schuylkill; sub-freezing wind chills at the start are common. 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): 42°F
Median dew point
31°F
at the start hour
Rain at the start
10%
2 of 20 measured years
Warmest start
59°F
in 2017
Scroll sideways to see all columns.
| Year | Start temp | Dew point | Wind | Precip (start hr) | Day's high |
|---|---|---|---|---|---|
| 2025 | 34°F | 28°F | 0 mph | dry | 55°F |
| 2024 | 48°F | 38°F | 11 mph | dry | 55°F |
| 2023 | 36°F | 27°F | 6 mph | dry | 57°F |
| 2022 | 33°F | 11°F | 10 mph | dry | 36°F |
| 2021 | 37°F | 34°F | 3 mph | dry | 55°F |
| 2020 | 47°F | 32°F | 8 mph | dry | 56°F |
| 2019 | 41°F | 38°F | 7 mph | 0.8 mm | 47°F |
| 2018 | 35°F | 30°F | 3 mph | dry | 48°F |
| 2017 | 59°F | 52°F | 17 mph | 0.5 mm | 60°F |
| 2016 | 40°F | 23°F | 15 mph | dry | 44°F |
| 2015 | 48°F | 41°F | 7 mph | dry | 51°F |
| 2014 | 39°F | 26°F | 4 mph | dry | 56°F |
| 2013 | 25°F | 1°F | 16 mph | dry | 33°F |
| 2012 | 34°F | 27°F | 6 mph | dry | 51°F |
| 2011 | 50°F | 43°F | 9 mph | dry | 65°F |
| 2010 | 37°F | 28°F | 5 mph | dry | 52°F |
| 2009 | 39°F | 35°F | 5 mph | dry | 56°F |
| 2008 | 26°F | 16°F | 5 mph | dry | 39°F |
| 2007 | 41°F | 32°F | 9 mph | dry | 44°F |
| 2006 | 42°F | 33°F | 5 mph | dry | 49°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.
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Race facts
- Start line
- 22nd St & Benjamin Franklin Parkway, near the Philadelphia Museum of Art
- Scheduled start
- 7:00 AM (America/New_York) — Runners/walkers 7:00 AM; push-rim wheelchairs 6:55 AM; half marathon runs Saturday Nov 21.
- Field size
- 2025 marathon finishers 12,377; 2026 field expanded to 20,000 bibs under new TIAA sponsorship
- Registration
- open (2026 marathon already listed as sold out)
Wyndo is not affiliated with or endorsed by the Philadelphia Marathon (officially the "TIAA Philadelphia 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.