Weather: Toronto Waterfront Marathon
Typical climate in October (an estimate, not measured race-day data). Use it to plan your race strategy, clothing, and hydration.
Typical climate for the race month — an estimate, not a forecast or a race-day record
11°C
Temperature
Range: 8°C – 15°C
65%
Humidity
Moderate
37%
Rain Chance
Possible — check forecast
October
Typical race month
Usually on a Sunday
Conditions
Mid-October in Toronto is cool: afternoon highs average about 15°C and mornings about 8°C, with measurable rain on around eleven days of the month.
What to Wear
Light gloves
Useful at the start, tuck away later
Long sleeve or arm warmers
Versatile for cool starts
Hydration Strategy
Before the Race
Normal hydration. Drink to thirst in the 24 hours before. Avoid over-hydrating.
During the Race
Drink at aid stations every 3-4km. Alternate water and sports drink.
After the Race
Rehydrate within 30 minutes of finishing. A drink with electrolytes and some protein helps recovery.
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