Dallas Marathon
Dec 13, 2026 · Dallas, TX
30 days
Mid-December in Dallas · during the race
Typically43–59°F
Can swing 38–67°F · middle 50° · last 24 races
At the 8 AM start
36–52°
By 12 PM
49–65°
3 of 24
years with rain
10mph
wind
71%
humidity
+3 min on a 4:00 finish in a typical year, mostly wind
2000–2025 · forecast Nov 29More on racecast.io →
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Dallas Marathon Weather Widget | racecast.io