Race-day weather · Wyndo for runners
Silicon Valley Turkey Trot weather
November 26, 2026 · San Jose, CA · scheduled start 8:30 AM (America/Los_Angeles). 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 8:30 AM start. Until then, live hourly data is not available; the history below shows what race morning usually looks like.
Typical start temp
47°F
median of 20 years
A warm year
52°F
75th percentile start temp
Rain at the start
5%
1 of 20 measured years
Race-morning weather history
Late-Nov San Jose mornings: 40s F, chance of light rain, calm. 2020 edition virtual (COVID). 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
47°F
p75 (a warm year): 52°F
Median dew point
37°F
at the start hour
Rain at the start
5%
1 of 20 measured years
Warmest start
58°F
in 2017
Scroll sideways to see all columns.
| Year | Start temp | Dew point | Wind | Precip (start hr) | Day's high |
|---|---|---|---|---|---|
| 2025 | 48°F | 40°F | 4 mph | dry | 64°F |
| 2024 | 38°F | 34°F | 4 mph | dry | 63°F |
| 2023 | 47°F | 44°F | 3 mph | dry | 69°F |
| 2022 | 44°F | 38°F | 4 mph | dry | 70°F |
| 2021 | 43°F | 36°F | 5 mph | dry | 70°F |
| 2020 | 46°F | 35°F | 6 mph | dry | 65°F |
| 2019 | 42°F | 36°F | 3 mph | dry | 51°F |
| 2018 | 54°F | 50°F | 2 mph | dry | 64°F |
| 2017 | 58°F | 55°F | 3 mph | dry | 72°F |
| 2016 | 40°F | 36°F | 3 mph | dry | 63°F |
| 2015 | 40°F | 34°F | 2 mph | dry | 56°F |
| 2014 | 52°F | 36°F | 2 mph | dry | 74°F |
| 2013 | 49°F | 41°F | 4 mph | dry | 70°F |
| 2012 | 48°F | 43°F | 2 mph | dry | 65°F |
| 2011 | 53°F | 49°F | 6 mph | 0.7 mm | 57°F |
| 2010 | 35°F | 27°F | 3 mph | dry | 55°F |
| 2009 | 49°F | 33°F | 3 mph | dry | 69°F |
| 2008 | 55°F | 53°F | 2 mph | dry | 62°F |
| 2007 | 41°F | 34°F | 4 mph | dry | 66°F |
| 2006 | 52°F | 44°F | 4 mph | dry | 61°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
- W Santa Clara St at N 1st St, downtown San Jose (official start-line text); geocode of the corner, approximate.
- Scheduled start
- 8:30 AM (America/Los_Angeles) — Single mass gun: 5K and 10K together at 8:30 AM PT (2026 timeline); kids fun run 10:15 in an off-course Fun Zone. No earlier wheelchair/elite gun on the 2026 schedule — legacy elite/CEO-5K divisions appear on archived 2020 pages only; treat any earlier gun found elsewhere as stale.
- Field size
- Finishers, 2025, per the RunSignup Top-100 largest-races list (aggregator, results-derived; re-verified live 2026-08-27). Site claims "largest Thanksgiving Day race in America" (marketing, uncorroborated).
- Registration
- open (beneficiaries incl. Second Harvest of Silicon Valley)
Wyndo is not affiliated with or endorsed by the Silicon Valley Turkey Trot (officially the "Applied Materials Silicon Valley Turkey Trot") 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.