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Historical weather

Historical Race Day Weather for the Bellingham Bay Marathon

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

Weather Averages for Last 16 Years

Race day snapshot

Mostly Cloudy

Most common race morning weather across the last 16 years.

Start Line Conditions

Start Temp 53°F 12°C

Start Humidity 87% Humidity

Wind S 5 mph

Race day high 64°F 18°C

Race day low 51°F 11°C

PR Score 97.71 Weather-influenced race day scoring

Course Score 98.48 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 20, 2026

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 54°F 12°C

Start Humidity 91% Humidity

Wind SE 2 mph Wind