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

Lake St. Peter, Ontario

75°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Lake St. Peter

Ontario

75°
No results found.
Try searching for a city, zip code or point of interest.
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
Lake St. Peter, 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
Sunday, May 17

Day

5/17
76°Hi
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
RealFeel Shade™ 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Turning cloudy with a couple of brief showers late this afternoon

Max UV Index9.0 (Very High)

AccuLumen Brightness Index™8 (Bright)

WindNNW 5 mph

Wind Gusts12 mph

Probability of Precipitation49%

Probability of Thunderstorms10%

Precipitation0.01 in

Rain0.01 in

Hours of Precipitation1.5

Hours of Rain1.5

Cloud Cover29%

Morning

Afternoon

Night

5/17
48°Lo
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
A shower in the area this evening; otherwise, partly cloudy

WindE 4 mph

Wind Gusts12 mph

Probability of Precipitation40%

Probability of Thunderstorms10%

Precipitation0.00 in

Hours of Precipitation0.5

Hours of Rain0.5

Cloud Cover67%

Evening

Overnight

Sun & Moon

14 hrs 57 mins
Rise 5:40 AM
Set 8:37 PM
Waxing Crescent
Rise 5:41 AM
Set 10:28 PM

Temperature History

5/17
High
Low
Forecast
76°
48°
Average
67°
42°
Last Year
69°
45°

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Climate

Super El Niño could strain food and water supplies around the world

3 days ago

Severe Weather

High-risk severe weather setup to focus on Plains, Midwest into Monday

3 hours ago

Weather Forecasts

Heat wave to complete spring weather whiplash, worsen drought in East

5 hours ago

Weather Forecasts

Wildfire risk to focus across the Southwest, Plains

6 hours ago

Winter Weather

Winter to return to Colorado, Wyoming with more May mountain snow

5 hours ago

 More Stories

Featured Stories

Hurricane

El Nino to fuel Pacific hurricane season, raise risks for California

2 days ago

Health

Wet spring, more mice? The weather link behind rare hantavirus risk

3 days ago

Climate

Turkmenistan's fiery 'Gates of Hell' crater is dimming

3 days ago

Weather News

Here's how New York residents can get free A/C this summer

4 days ago

Recreation

Brain-eating amoeba found in hot springs at 3 National Parks: study

5 days ago
World North America Canada Ontario Lake St. Peter

Weather Near Lake St. Peter:

  • Mississauga Valley, Ontario
  • Ottawa, 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

...

...

...