Weather: Toronto Half Marathon
Historical weather data for race day in October. Use this to plan your race strategy, clothing, and hydration.
🌡️
13°C
Temperature
Range: 9°C – 17°C
💧
65%
Humidity
Moderate
🌧️
35%
Rain Chance
Possible — check forecast
📅
October
Typical race month
Usually on a Sunday
📝 Conditions
Cool autumn weather with mild conditions typical of mid-October in Toronto. Clear to partly cloudy skies with low humidity make for ideal running conditions.
👟 What to Wear
Singlet or short sleeve
Ideal racing temperatures
💧 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.
Get Your Training Plan
Free, personalized for this race
Get race tips & guides in your inbox
Race tips, training guides, and the latest from 500+ races worldwide.