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

Harriston, Ontario

85°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Harriston

Ontario

85°
No results found.
Try searching for a city, zip code or point of interest.
settings
Harriston, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly Daily 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

Newsletters

Advertising

Superior Accuracy™

Video

Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Monday, June 23

Day

6/23
92°Hi
RealFeel® 95°
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™ 90°
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
Hot with plenty of sunshine; possible danger of dehydration and heatstroke while doing strenuous activities
alerts

Heat Warning

5:31 AM Monday - 6:00 AM Wednesday

Max UV Index10 (Very High)

AccuLumen Brightness Index™10 (Very Bright)

WindWSW 10 mph

Wind Gusts25 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Morning

Afternoon

Night

6/23
72°Lo
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear, very warm and humid
alerts

Heat Warning

5:31 AM Monday - 6:00 AM Wednesday

WindWSW 6 mph

Wind Gusts21 mph

Probability of Precipitation2%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Evening

Overnight

Sun & Moon

15 hrs 29 mins
Rise 5:41 AM
Set 9:10 PM
Waning Crescent
Rise 3:27 AM
Set 7:55 PM

Temperature History

6/23
High
Low
Forecast
92°
72°
Average
71°
53°
Last Year
72°
58°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Dangerous heat wave to envelop 170 million Americans through late June

8 hours ago

Weather News

Coast Guard ends search after 6 killed in Lake Tahoe boat capsizing

6 hours ago

Severe Weather

Severe storms to continue riding edge of heat dome into new week

6 hours ago

Weather Forecasts

Will it reach 100 degrees in NYC this week?

1 hour ago

Weather News

5 ways people cooled off in the summer before air conditioning

5 days ago

 More Stories

Featured Stories

Astronomy

Strange signals from Antarctic ice seem to defy laws of physics

53 minutes ago

Health

‘Nimbus’ COVID-19 variant arrives in U.S. after China surge

3 days ago

Severe Weather

Rare high-elevation tornado confirmed at Pikes Peak

4 days ago

Weather News

First methane-powered sea spiders found crawling on the ocean floor

5 days ago

Weather News

‘Dragon Man’ DNA revelation puts a face to group of ancient humans

3 days ago
World North America Canada Ontario Harriston

Weather Near Harriston:

  • 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 RealFeel® and RealFeel Shade™ 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 RealFeel® and RealFeel Shade™ 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
© 2025 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

...

...

...