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

Seguin, Ontario

39°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Seguin

Ontario

39°
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
Seguin, 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
2
Yellow Warning - Rainfall

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

April 18 - May 2

Sat 4/18

58° /30°
100%
Windy this morning; cloudy with showers
alerts

Yellow Warning - Rainfall

6:00 AM Saturday - 7:00 PM Saturday
alerts

Yellow Warning - Rainfall

11:05 AM Saturday - 7:00 PM Saturday

RealFeel®49°

RealFeel Shade™49°

Max UV Index1.0 (Low)

WindSSW 14 mph

Sun 4/19

37° /22°
25%
Breezy in the morning; otherwise, mostly cloudy and much colder

RealFeel®31°

RealFeel Shade™29°

Max UV Index5.0 (Moderate)

WindW 13 mph

Mon 4/20

35° /27°
1%
Mostly sunny and cold

RealFeel®32°

RealFeel Shade™30°

Max UV Index7.0 (High)

WindW 9 mph

Tue 4/21

46° /30°
40%
Breezy in the morning with a flurry; cloudy and not as cold

RealFeel®41°

RealFeel Shade™41°

Max UV Index2.0 (Low)

WindS 10 mph

Wed 4/22

54° /31°
0%
Plenty of sunshine

RealFeel®65°

RealFeel Shade™52°

Max UV Index7.0 (High)

WindNW 5 mph

Thu 4/23

61° /42°
2%
Nice with sun and areas of high clouds

RealFeel®63°

RealFeel Shade™58°

Max UV Index4.0 (Moderate)

WindS 5 mph

Fri 4/24

65° /46°
4%
Becoming cloudy

RealFeel®66°

RealFeel Shade™62°

Max UV Index6.0 (High)

WindSSW 7 mph

Sat 4/25

53° /39°
75%
Rain in the morning; otherwise, cooler with considerable cloudiness

RealFeel®53°

RealFeel Shade™53°

Max UV Index2.0 (Low)

WindNNE 7 mph

Sun 4/26

52° /37°
4%
A thick cloud cover

RealFeel®48°

RealFeel Shade™48°

Max UV Index2.0 (Low)

WindN 10 mph

Mon 4/27

54° /37°
6%
Rather cloudy

RealFeel®51°

RealFeel Shade™50°

Max UV Index7.0 (High)

WindNNW 9 mph

Tue 4/28

49° /36°
80%
Cloudy with rain overspreading the area in the afternoon

RealFeel®44°

RealFeel Shade™44°

Max UV Index4.0 (Moderate)

WindSE 10 mph

Wed 4/29

50° /39°
49%
A shower in spots in the morning; otherwise, clouds yielding to sun

RealFeel®47°

RealFeel Shade™45°

Max UV Index3.0 (Moderate)

WindW 14 mph

Thu 4/30

52° /41°
9%
Partly sunny

RealFeel®59°

RealFeel Shade™54°

Max UV Index7.0 (High)

WindWNW 6 mph

Fri 5/1

55° /37°
20%
Partly sunny

RealFeel®63°

RealFeel Shade™57°

Max UV Index8.0 (Very High)

WindE 5 mph

Sat 5/2

47° /30°
10%
Sunny

RealFeel®60°

RealFeel Shade™45°

Max UV Index8.0 (Very High)

WindNW 5 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Severe weather, tornado risk on Saturday from New York to Tennessee

59 minutes ago

Winter Weather

Cars are emerging from a massive snow pile months after winter storms

2 days ago

Winter Weather

Grab the jackets again as cold air, freezes return to the Northeast

34 minutes ago

Weather Forecasts

Storm to to bring California more rain, thunder and Sierra Nevada snow

33 minutes ago

Severe Weather

1st lightning death of 2026 reported after Wisconsin storm

1 day ago

 More Stories

Featured Stories

Astronomy

Lyrids 2026: How to see the 1st meteor shower since January

10 hours ago

Weather News

Evacuations, rescues underway as flooding continues in Wisconsin, Mich...

1 day ago

Weather News

Falling ice chunk crashes through roof, lands on living room couch

1 day ago

Weather News

7-month-old dies after being found in hot car in Tennessee

1 day ago

Weather News

114 years later: How weather helped seal the Titanic’s fate

3 days ago
World North America Canada Ontario Seguin

Weather Near Seguin:

  • 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

...

...

...