Live Weather & Forecast
Weather in Hamilton
Ontario, Canada · Real-time conditions & 3-day outlook
8°C
Feels like 4°C
46°F / Feels 39°F
Sunny
Hamilton, Ontario
🌞 Daytime
Updated: 2026-04-24 17:15
Humidity
43%
Wind
21.2 km/h ENE
Wind Gust
24.4 km/h
Pressure
1012 mb
Visibility
10 km
UV Index
2.2
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
1.9°C
Wind Degree
65°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
208.9 μg/m³
NO₂
17.2 μg/m³
O₃
79 μg/m³
SO₂
4.7 μg/m³
PM 2.5
4.3 μg/m³
PM 10
4.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Hamilton, Ontario
12 AM
9°
Clear
1 AM
8°
Clear
2 AM
8°
Clear
3 AM
7°
Clear
4 AM
7°
Clear
5 AM
7°
Patchy rain nearby
6 AM
7°
Patchy rain nearby
7 AM
7°
Patchy rain nearby
8 AM
7°
Sunny
9 AM
7°
Sunny
10 AM
8°
Sunny
11 AM
8°
Sunny
12 PM
7°
Sunny
1 PM
7°
Overcast
2 PM
6°
Overcast
3 PM
7°
Partly Cloudy
4 PM
7°
Sunny
5 PM
8°
Sunny
6 PM
7°
Sunny
7 PM
6°
Sunny
8 PM
6°
Sunny
9 PM
7°
Clear
10 PM
7°
Clear
11 PM
6°
Moderate rain at times
3-Day Forecast
Daily overview for Hamilton, Ontario
Today
Patchy rain nearby
9°
/
6°
🌧️ 75% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 28.8 km/h
🌧️ Total precip: 0.86 mm
☀️ UV Index: 5.4
🌅 Sunrise: 06:22 AM
🌇 Sunset: 08:13 PM
🌙 First Quarter
🌑 Moon: 49% lit
Sat, Apr 25
Moderate rain
6°
/
4°
🌧️ 92% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 35.6 km/h
🌧️ Total precip: 16.49 mm
☀️ UV Index: 1
🌅 Sunrise: 06:21 AM
🌇 Sunset: 08:14 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Overcast
10°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 22.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.3
🌅 Sunrise: 06:19 AM
🌇 Sunset: 08:15 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Best Time to Visit Hamilton
Plan your trip to Hamilton, Canada around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Hamilton?
Current conditions in Hamilton: Sunny, temperature 8°C, humidity 43%.
What is the best time to visit Hamilton?
The best time to visit Hamilton is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Hamilton?
Hamilton is located at approximately 43.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Hamilton?
The wettest period in Hamilton is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Hamilton?
For visits to Hamilton during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Hamilton in 2026?
View the 2026 public holidays for Hamilton on our Holidays page.
What are the GPS coordinates used for the weather forecast in Hamilton?
The weather forecast for Hamilton uses coordinates 43.2561, -79.8729.
What is the current temperature outside in Hamilton?
The current outdoor temperature in Hamilton is 8°C (46°F) with sunny.
What is the hourly weather forecast for Hamilton today?
Today's hour-by-hour weather breakdown for Hamilton is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in Hamilton tomorrow hour by hour?
Tomorrow's forecast for Hamilton shows a high of 6°C and a low of 4°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Hamilton?
There is a 75% chance of rain in Hamilton today. Check the hourly forecast above for a time-by-time breakdown of when rain is most likely.
Is it going to rain today in Hamilton?
Yes, there is a 75% chance of rain in Hamilton today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.