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Historical weather

Historical Race Day Weather for the Three Sisters Marathon

See historical race day weather for the Three Sisters Marathon, including start temperature, humidity, wind, race day temperatures, PR score, and course score.

Weather Averages for Last 2 Years

Race day snapshot

Partially cloudy

Most common race morning weather across the last 2 years.

Start Line Conditions

Start Temp 70°F 21°C

Start Humidity 94% Humidity

Wind NE 4 mph

Race day high 86°F 30°C

Race day low 68°F 20°C

PR Score 90.31 Weather-influenced race day scoring

Course Score 97.33 Course-only Score

Race Day Weather by Year

Most recent years appear first so you can quickly compare start conditions, temperatures, wind, and scores across different editions of the race.

September 12, 2026

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 70°F 21°C

Start Humidity 95% Humidity

Wind NE 3 mph Wind

Race day high 83°F 28°C

Race day low 70°F 21°C

PR Score 90.35 Normal score 93.20