October 21 is generally a great time to visit Toronto. While there is a slight chance of rain (28%), showers are usually brief. Expect comfortable 14°C weather. As it's peak season for Toronto, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Toronto
Currency
CAD
$ Canadian dollar
Language
English
+1 more
Driving
Right side
Connect
Calling...
Safety
Very High Safety
GPI: 1.389
Toronto Weather Forecast for October 21
"Mild & Comfortable. Expect average highs of 13.8°C. 28% chance of rain."
What to Wear in Toronto in October
Based on historical data for October 21, Toronto typically experiences temperatures between 7.2°C and 13.8°C. We recommend packing light jacket, long pants to stay comfortable. With a 28% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Toronto
Smart Suitcase
- Light Jacket
- Long Pants
Average High
13.8°C
Daytime Peak
Average Low
7.2°C
Nighttime Low
Feels Like
13.3°C
🌤️ Feels accurate
Rain Chance
28%
Avg 1.6mm if it rains
Cloud Cover
63%
Overcast
Pressure
1015.4 hPa
Medium volatility
Toronto Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 67 min to burn
Type III-IV
🟡 101 min to burn
Type V-VI
🟢 168 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
9°C
Dry air
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Canada
Flight Traffic
High
88/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~1,317
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Toronto
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:40
☀️ Noon
12:03
🌇 Sunset
17:26
⏱️ Daylight
10h 46m
Wind Speed
21 km/h
Moderate wind
Sunshine
6.9 hrs
Direct Sun (Cloud-free)
Humidity
73%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Toronto
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Toronto
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
Atlantic Hurricane Risk
Season: Jun - Nov
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Toronto on October 21 averages 13.8°C with a 28% precipitation probability. Wedding/Outdoor Event Score: 86/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Toronto Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
October 14
14.9°C • 25% rain
Score
92
October 15
14.3°C • 24% rain
Score
90
October 16
14.2°C • 23% rain
Score
89
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (October 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Toronto Worth Visiting on October 21?
Planning a trip to Toronto on October 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 13.8°C with a 28% historical precipitation risk.
✈️ Travel Logistics: Approximately 1,317 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 6 vaccinations are recommended for Canada, including COVID-19.
📊 Historical Extremes: The hottest October 21 recorded in the last 30 years saw temperatures hit 24°C in 2024, while the coldest dropped to 1.8°C in 2022.