Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe storms with damaging winds to focus on central, eastern US. Click for the forecast. Chevron right

San Dimas, CA

65°F
Location Chevron down
Location News Videos
Use Current Location
Recent

San Dimas

California

65°
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
San Dimas, 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
Air Quality Alert

Today's Weather

Wed, May 20

Very warm with plenty of sunshine; smoke from wildfires can create reduced air quality Hi: 89°

Tonight: Mainly clear Lo: 57°

Current Weather

3:18 AM

65°F
RealFeel® 63°
Clear More Details
Wind ENE 3 mph
Wind Gusts 6 mph
Air Quality Poor

San Dimas Weather Radar

San Dimas Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

4 AM 64°
rain drop 7%
5 AM 62°
rain drop 7%
6 AM 61°
rain drop 7%
7 AM 64°
rain drop 5%
8 AM 69°
rain drop 0%
9 AM 74°
rain drop 0%
10 AM 78°
rain drop 0%
11 AM 81°
rain drop 0%
12 PM 84°
rain drop 0%
1 PM 86°
rain drop 0%
2 PM 87°
rain drop 0%
3 PM 89°
rain drop 0%

10-Day Weather Forecast

Today

5/20

89° 57°

Sunny and very warm

Night: Mainly clear

1%

Thu

5/21

85° 58°

Mostly sunny

Mainly clear

1%

Fri

5/22

80° 57°

Mostly sunny

Mainly clear

0%

Sat

5/23

81° 59°

Mostly sunny

Mainly clear

0%

Sun

5/24

80° 59°

Mostly sunny

Mainly clear

0%

Mon

5/25

75° 57°

Partly sunny and cool

Partly cloudy

1%

Tue

5/26

73° 56°

Partial sunshine

Increasing clouds

8%

Wed

5/27

74° 55°

Sun and some clouds

Partly cloudy

1%

Thu

5/28

77° 56°

Sunshine

Clear to partly cloudy

1%

Fri

5/29

77° 57°

Sunshine

Partly cloudy

0%

Sun & Moon

14 hrs 04 mins
Rise 5:46 AM
Set 7:50 PM
Waxing Crescent
Rise 9:32 AM
Set 12:21 AM

Air Quality

See More
Air Quality Poor

The air has reached a high level of pollution and is unhealthy for sensitive groups. Reduce time spent outside if you are feeling symptoms such as difficulty breathing or throat irritation.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander High Data is not supported in this location

Top Stories

Severe Weather

Severe storms with damaging winds to focus on central, eastern US

1 hour ago

Weather Forecasts

Northeast temps to crash 25° to 50°F ahead of Memorial Day weekend

1 hour ago

Storm chaser captures towering tornado developing in central Nebraska

1 day ago 0:30

Weather News

Man rescued from Santa Rosa Island; SOS written on charred landscape

15 hours ago

Weather Forecasts

Memorial Day weekend: Downpours, storms from Texas to New England

57 minutes ago

More Stories

Featured Stories

Astronomy

SpaceX poised for first Starship flight test of 2026 following delays

20 hours ago

Weather News

California gray wolf is spotted in Sequoia, marking historic return

16 hours ago

Weather News

India scorched by heat wave, power demand driven to new record

18 hours ago

Severe Weather

10 types of tornadoes that occur in the US

1 day ago

Health

American infected with Ebola in DRC

18 hours ago

World North America United States California San Dimas

Weather Near San Dimas:

  • 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

...

...

...