Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Flash floods threaten 43 million people in the Northeast ahead of dramatic cooldown. Get details Chevron right

San Marcos, CA

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

San Marcos

California

71°
No results found.
Try searching for a city, zip code or point of interest.
settings
San Marcos, CA 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

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Wednesday, August 6

Day

8/6
90°Hi
RealFeel® 99°
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™ 88°
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
Areas of low clouds, then sun

Max UV Index10 (Very High)

AccuLumen Brightness Index™7 (Bright)

WindW 5 mph

Wind Gusts14 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover43%

Morning

Afternoon

Night

8/6
64°Lo
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear to partly cloudy

WindNW 1 mph

Wind Gusts8 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover13%

Evening

Overnight

Sun & Moon

13 hrs 38 mins
Rise 6:05 AM
Set 7:43 PM
Waxing Gibbous
Rise 6:20 PM
Set 4:08 AM

Temperature History

8/6
High
Low
Forecast
90°
64°
Average
88°
66°
Last Year
97°
69°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Flash flood threat ahead of dramatic cooldown in the Northeast

2 hours ago

Weather News

Turbulence forces Delta flight to land; 25 hospitalized

14 hours ago

Hurricane

Hawaii faces wildfire risk amid drought, winds

6 hours ago

Weather News

Woman races home after security cam shows dogs trapped in floodwaters

1 day ago

Health

Wildfire smoke sends air quality plummeting in Chicago, Minneapolis

10 hours ago

 More Stories

Featured Stories

Travel

US Navy F-35 crashes in California, pilot ejects safely

14 hours ago

Weather News

Megaquake could trigger land drop, spike flood risk along West Coast

1 day ago

Severe Weather

How to tell how far away lightning is by counting

11 hours ago

Hurricane

Tropics may ramp up as Atlantic hurricane season enters next phase

2 days ago

Travel

Flights at UK airports hit by major technical issue

14 hours ago
World North America United States California San Marcos

Weather Near San Marcos:

  • Chula Vista, CA
  • Oceanside, CA
  • San Diego, 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 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

...

...

...