Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Newsletters
  • Advertising
  • Superior Accuracy™
Sweltering 90-100 F heat to expand, affect 170 million in central and eastern US. Details here Chevron right
Severe storms sweep Northeast, teen struck by lightning in Central Park. Read more Chevron right

South Lyon, MI

66°F
Location Chevron down
Location News Videos
Use Current Location
Recent

South Lyon

Michigan

66°
No results found.
Try searching for a city, zip code or point of interest.
settings
South Lyon, MI 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
Saturday, June 21

Current Weather

1:46 AM

66°F
Partly cloudy
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel®
67°
Wind
S 2 mph
Wind Gusts
5 mph
Humidity
93%
Indoor Humidity
87% (Humid)
Dew Point
64° F
Pressure
↔ 29.99 in
Cloud Cover
31%
Visibility
10 mi
Cloud Ceiling
40000 ft

Day

6/21
91°Hi
RealFeel® 96°
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™ 93°
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
A thunderstorm in spots early this morning; otherwise, after a cloudy start, sunshine returns, breezy and humid; start of an extended heat wave; stay hydrated
alerts

Extreme Heat Watch

8:00 AM Saturday - 8:00 PM Tuesday
alerts

Heat Advisory

2:00 PM Saturday - 8:00 AM Sunday

Max UV Index10 (Very High)

AccuLumen Brightness Index™8 (Bright)

WindSSW 15 mph

Wind Gusts32 mph

Probability of Precipitation40%

Probability of Thunderstorms24%

Precipitation0.04 in

Rain0.04 in

Hours of Precipitation0.5

Hours of Rain0.5

Cloud Cover41%

Morning

Afternoon

Night

6/21
74°Lo
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Breezy this evening; otherwise, clear and humid
alerts

Extreme Heat Watch

8:00 AM Saturday - 8:00 PM Tuesday
alerts

Heat Advisory

2:00 PM Saturday - 8:00 AM Sunday

WindSW 12 mph

Wind Gusts28 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Evening

Overnight

Sun & Moon

15 hrs 18 mins
Rise 5:57 AM
Set 9:15 PM
Waning Crescent
Rise 2:35 AM
Set 5:19 PM

Temperature History

6/21
High
Low
Forecast
91°
74°
Average
82°
58°
Last Year
90°
65°
Record
96°
1988
40°
1992

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Sweltering 90-100 F heat to expand, affect 170 million in US

11 hours ago

Severe Weather

Storms sweep Northeast, teen struck by lightning in Central Park

18 hours ago

Severe Weather

‘Ring of fire’ storms to erupt on rim of building heat dome in US

10 hours ago

Astronomy

Meteorological summer vs. astronomical summer explained

4 days ago

Astronomy

NASA raises chance for asteroid to hit moon

19 hours ago

 More Stories

Featured Stories

Astronomy

Summer solstice: Everything to know about the year's longest day

18 hours ago

Health

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

20 hours ago

Severe Weather

Rare high-elevation tornado confirmed at Pikes Peak

2 days ago

Weather News

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

2 days ago

Weather News

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

15 hours ago
World North America United States Michigan South Lyon

Weather Near South Lyon:

  • Detroit, MI
  • Sterling Heights, MI
  • Warren, MI
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

...

...

...