Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Is Super El Niño coming? See what this could mean for weather and daily life. Chevron right

Ontario, CA

79°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Ontario

California

79°
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
Ontario, CA 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
Thursday, April 9

Day

4/9
79°Hi
RealFeel® 85°
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™ 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Mostly sunny and pleasant

Max UV Index8.0 (Very High)

AccuLumen Brightness Index™8 (Bright)

WindWSW 7 mph

Wind Gusts21 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover34%

Morning

Afternoon

Night

4/9
57°Lo
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Variable cloudiness

WindSW 6 mph

Wind Gusts12 mph

Probability of Precipitation3%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover42%

Evening

Overnight

Sun & Moon

12 hrs 50 mins
Rise 6:28 AM
Set 7:18 PM
Last Quarter
Rise 1:50 AM
Set 11:26 AM

Temperature History

4/9
High
Low
Forecast
79°
57°
Average
76°
48°
Last Year
87°
55°

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: What it could mean for weather, heat and daily life

4 hours ago

Climate

The US just experienced its hottest March on record

1 day ago

Weather Forecasts

Heat wave brewing for part of eastern US next week

2 hours ago
Live Blog

Updates: Artemis II set for Friday splashdown after lunar flyby

LATEST ENTRY

Astronauts spend penultimate day in space before California splashdown

2 hours ago

Severe Weather

Severe storms to threaten central US daily; building risk in mid-April

2 hours ago

 More Stories

Featured Stories

Hurricane

Atlantic hurricane season forecast 2026: 11-16 named storms predicted

7 hours ago

Sports

Masters at Augusta National: Driest forecast since 2011

7 hours ago

Sports

Tropicana Field reopens after Hurricane Milton as Rays secure home win

2 days ago

Recreation

Hikers rescued after believing a mountain lion stalked their campsite

1 day ago

Astronomy

The upsidedown moon: Why the moon looks odd on the other side of the w...

1 day ago
World North America United States California Ontario

Weather Near Ontario:

  • Anaheim, CA
  • Long Beach, CA
  • Los Angeles, CA
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

...

...

...