Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Summerlike heat, humidity is about to arrive in the East. See how hot it will get. Chevron right
Multiday severe weather risk in the central U.S. to ramp up this weekend. Get the forecast. Chevron right

Rialto, CA

71°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Rialto

California

71°
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
Rialto, 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
Friday, May 15

Day

5/15
71°Hi
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
After a cloudy start, sunshine returns

Max UV Index8.0 (Very High)

AccuLumen Brightness Index™6 (Medium)

WindSW 6 mph

Wind Gusts17 mph

Probability of Precipitation2%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover48%

Morning

Afternoon

Night

5/15
57°Lo
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Clear this evening followed by low clouds

WindSW 6 mph

Wind Gusts13 mph

Probability of Precipitation4%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover52%

Evening

Overnight

Sun & Moon

13 hrs 56 mins
Rise 5:48 AM
Set 7:44 PM
Waning Crescent
Rise 4:35 AM
Set 6:55 PM

Temperature History

5/15
High
Low
Forecast
71°
57°
Average
83°
54°
Last Year
83°
61°

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

1 day ago

Severe Weather

Multi-day severe risk in the central US; biggest threat Sunday, Monday

14 minutes ago

Weather Forecasts

Summerlike heat, humidity to send RealFeel® temps near 100 F in East

1 hour ago

Severe Weather

Deadly storms, flooding rain kill at least 96 in India

7 hours ago

Winter Weather

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

9 hours ago

 More Stories

Featured Stories

Hurricane

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

12 hours ago

Health

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

1 day ago

Climate

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

1 day ago

Weather News

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

2 days ago

Recreation

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

3 days ago
World North America United States California Rialto

Weather Near Rialto:

  • 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

...

...

...