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

Selwyn, Ontario

67°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Selwyn

Ontario

67°
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
Selwyn, 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

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

August 31 - September 14

Mon 8/31

69° /65°
78%
Cloudy and humid; brief showers this morning followed by a shower in spots this afternoon

RealFeel®72°

RealFeel Shade™70°

Max UV Index1.0 (Low)

WindESE 6 mph

Total Hours of Precipitation3.5

Total Hours of Rain3.5

Tue 9/1

78° /63°
55%
Mostly cloudy and humid with a heavy thunderstorm; any thunderstorm can cause flash flooding and damaging winds

RealFeel®83°

RealFeel Shade™80°

Max UV Index3.0 (Moderate)

WindENE 6 mph

Total Hours of Precipitation2

Total Hours of Rain2

Wed 9/2

79° /63°
88%
Considerable clouds and humid with a couple of showers and a thunderstorm; any thunderstorm can cause flash flooding and damaging winds

RealFeel®86°

RealFeel Shade™82°

Max UV Index4.0 (Moderate)

WindS 7 mph

Total Hours of Precipitation3.5

Total Hours of Rain3.5

Thu 9/3

78° /54°
3%
Mostly sunny, pleasant and less humid

RealFeel®80°

RealFeel Shade™75°

Max UV Index6.0 (High)

WindWNW 8 mph

Fri 9/4

77° /52°
3%
Partly sunny and nice

RealFeel®78°

RealFeel Shade™74°

Max UV Index6.0 (High)

WindNNW 7 mph

Sat 9/5

72° /50°
4%
Pleasant with sun and some clouds

RealFeel®75°

RealFeel Shade™69°

Max UV Index5.0 (Moderate)

WindNE 7 mph

Sun 9/6

73° /48°
1%
Partly sunny

RealFeel®76°

RealFeel Shade™70°

Max UV Index5.0 (Moderate)

WindE 6 mph

Mon 9/7

73° /53°
1%
Sun through high clouds

RealFeel®74°

RealFeel Shade™70°

Max UV Index3.0 (Moderate)

WindSW 6 mph

Tue 9/8

69° /52°
3%
Cloudy

RealFeel®70°

RealFeel Shade™66°

Max UV Index2.0 (Low)

WindS 6 mph

Wed 9/9

72° /55°
80%
Showers in the morning; otherwise, variable cloudiness

RealFeel®76°

RealFeel Shade™69°

Max UV Index5.0 (Moderate)

WindSW 4 mph

Total Hours of Precipitation3

Total Hours of Rain3

Thu 9/10

73° /53°
58%
A touch of morning rain; otherwise, clouds breaking for some sun

RealFeel®78°

RealFeel Shade™71°

Max UV Index5.0 (Moderate)

WindW 4 mph

Total Hours of Precipitation1

Total Hours of Rain1

Fri 9/11

71° /36°
25%
Times of sun and clouds

RealFeel®72°

RealFeel Shade™70°

Max UV Index2.0 (Low)

WindWNW 2 mph

Sat 9/12

72° /52°
20%
A blend of sunshine and clouds

RealFeel®72°

RealFeel Shade™70°

Max UV Index3.0 (Moderate)

WindSW 4 mph

Sun 9/13

73° /52°
20%
Partly sunny

RealFeel®73°

RealFeel Shade™70°

Max UV Index5.0 (Moderate)

WindSW 8 mph

Mon 9/14

66° /49°
25%
Thickening clouds

RealFeel®68°

RealFeel Shade™66°

Max UV Index4.0 (Moderate)

WindNNE 2 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Tropical rainstorm to unleash flooding downpours along Gulf Coast

2 hours ago

Astronomy

September nights bring planets, longer nights and the Harvest Moon

4 days ago

Crews rescue people trapped by Grand Canyon flash flooding

5 hours ago 0:37

Weather Forecasts

Heat to focus in Mississippi Valley, mid-Atlantic ahead of Labor Day

2 hours ago

Hurricane

Tropical moisture near Florida could raise storm threat into Labor Day

1 hour ago

 More Stories

Featured Stories

Weather News

2 dead, about 14 missing after Grand Canyon flash flood

39 minutes ago

Weather News

Hummingbirds are migrating south. This map shows when they will leave

3 days ago

Recreation

Wolf activity prompts tent camping ban at Isle Royale National Park

53 minutes ago

Weather News

Race against time to find workers missing in Nepal’s hydropower tunnel...

3 hours ago

Weather News

At least 7 dead after ferry capsizes off northern Cyprus

1 hour ago
World North America Canada Ontario Selwyn

Weather Near Selwyn:

  • 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

...

...

...