Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™

Hamilton, Ontario

77°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Hamilton

Ontario

77°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Hamilton, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Tuesday, August 11

Current Weather

6:18 PM

77°F
Mostly cloudy
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel®
77°
RealFeel Shade™
76°
Max UV Index
0.7 (Low)
Wind
SSW 7 mph
Wind Gusts
7 mph
Humidity
64%
Indoor Humidity
64% (Humid)
Dew Point
64° F
Pressure
↔ 29.89 in
Cloud Cover
76%
Visibility
15 mi
Cloud Ceiling
28300 ft

Day

8/11
79°Hi
RealFeel® 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Less humid with clouds limiting sunshine

Max UV Index8.0 (Very High)

AccuLumen Brightness Index™6 (Medium)

WindWNW 6 mph

Wind Gusts14 mph

Probability of Precipitation3%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover72%

Morning

Afternoon

Night

8/11
62°Lo
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Clear to partly cloudy

WindN 6 mph

Wind Gusts14 mph

Probability of Precipitation25%

Probability of Thunderstorms6%

Precipitation0.00 in

Cloud Cover17%

Evening

Overnight

Sun & Moon

14 hrs 09 mins
Rise 6:20 AM
Set 8:29 PM
Waning Crescent
Rise 4:39 AM
Set 8:05 PM

Temperature History

8/11
High
Low
Forecast
79°
62°
Average
82°
59°
Last Year
94°
65°

Current Weather Conditions in Hamilton

Hamilton, Ontario is currently Mostly cloudy with a temperature of 77°. The current RealFeel® Temperature is 77° (Pleasant) based on observed conditions including 64% humidity, 76% cloud cover, a UV index of 1, and winds of 7 mph. In shade, the RealFeel Shade™ is 76°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Hamilton, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Fall forecast 2026: Summer warmth may linger as El Niño intensifies

9 hours ago

Severe Weather

Possible tornado flips car near Columbus as storms rip through Midwest

2 hours ago

Severe Weather

Severe storms, flash flooding to threaten Plains, Midwest and East

2 hours ago

Astronomy

Perseid meteor shower peaks Wednesday night under ideal conditions

10 hours ago

Hurricane

High risk of tropical development in Atlantic, just east of Caribbean

2 hours ago

More Stories

Featured Stories

Recreation

Bald eagle Jackie dies after more than 3 weeks of intensive care

9 hours ago

Astronomy

Astronomy tripleheader begins with planetary parade on Wednesday

1 day ago

Recreation

Shark pulls lifeguard underwater at Maine state park

7 hours ago

Climate

How extreme heat could affect your grocery bill

6 hours ago

Weather News

Sesame Street takes on extreme weather with new special, family resour...

4 days ago

World North America Canada Ontario Hamilton

Weather Near Hamilton:

  • Brampton, Ontario
  • Mississauga Valley, Ontario
  • Toronto, Ontario
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...