Historical Race Day Weather for the Toronto Waterfront Marathon

October 19, 2025

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 67°F 19°C

Start Humidity 63% Humidity

Wind S 16 mph Wind

Race day high 72°F 22°C

Race day low 58°F 14°C

PR Score 96.63 Normal score 99.37

Course Score 99.37 Course-only Score

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October 20, 2024

Race day snapshot

Clear

Start Line Conditions

Start Temp 49°F 9°C

Start Humidity 81% Humidity

Wind WSW 4 mph Wind

Race day high 68°F 20°C

Race day low 48°F 9°C

PR Score 98.29 Normal score 99.37

Course Score 99.37 Course-only Score

October 15, 2023

Race day snapshot

Clear

Start Line Conditions

Start Temp 47°F 8°C

Start Humidity 72% Humidity

Wind NW 15 mph Wind

Race day high 52°F 11°C

Race day low 46°F 8°C

PR Score 99.37 Normal score 99.37

Course Score 99.37 Course-only Score

October 16, 2022

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 47°F 8°C

Start Humidity 68% Humidity

Wind SW 8 mph Wind

Race day high 57°F 14°C

Race day low 45°F 7°C

PR Score 99.37 Normal score 99.37

Course Score 99.37 Course-only Score

October 20, 2019

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 51°F 11°C

Start Humidity 93% Humidity

Wind ESE 4 mph Wind

Race day high 62°F 17°C

Race day low 49°F 9°C

PR Score 98.85 Normal score 99.37

Course Score 99.37 Course-only Score

October 21, 2018

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 36°F 2°C

Start Humidity 63% Humidity

Wind W 7 mph Wind

Race day high 43°F 6°C

Race day low 34°F 1°C

PR Score 99.37 Normal score 99.37

Course Score 99.37 Course-only Score

October 22, 2017

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 57°F 14°C

Start Humidity 87% Humidity

Wind S 6 mph Wind

Race day high 68°F 20°C

Race day low 52°F 11°C

PR Score 97.70 Normal score 99.37

Course Score 99.37 Course-only Score

October 14, 2012

Race day snapshot

Overcast

Start Line Conditions

Start Temp 56°F 13°C

Start Humidity 94% Humidity

Wind SW 8 mph Wind

Race day high 61°F 16°C

Race day low 45°F 7°C

PR Score 99.00 Normal score 99.37

Course Score 99.51 Course-only Score

October 16, 2011

Race day snapshot

Overcast

Start Line Conditions

Start Temp 48°F 9°C

Start Humidity 76% Humidity

Wind WSW 13 mph Wind

Race day high 53°F 12°C

Race day low 44°F 7°C

PR Score 99.62 Normal score 99.37

Course Score 99.62 Course-only Score

September 26, 2010

Race day snapshot

Clear

Start Line Conditions

Start Temp 54°F 12°C

Start Humidity 77% Humidity

Wind E 3 mph Wind

Race day high 60°F 16°C

Race day low 47°F 8°C

PR Score 99.40 Normal score 99.37

Course Score 99.62 Course-only Score