Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Meteorological spring to start with snow in parts of the U.S. See the forecast. Chevron right
Severe weather risk to increase as weather pattern shifts in March. Get the forecast details. Chevron right

San Marcos, TX

64°F
Location Chevron down
Location News Videos
Use Current Location
Recent

San Marcos

Texas

64°
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 Marcos, TX 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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

12 AM

64°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity54%

Indoor Humidity48% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling33300 ft

1 AM

62°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity62%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility4 mi

Cloud Ceiling30000 ft

2 AM

61°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindENE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity68%

Indoor Humidity53% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility2 mi

Cloud Ceiling30000 ft

3 AM

60°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindENE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity76%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility1.00 mi

Cloud Ceiling30000 ft

4 AM

58°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindENE 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity83%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility0.50 mi

Cloud Ceiling30000 ft

5 AM

57°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindE 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity89%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility0.50 mi

Cloud Ceiling30000 ft

6 AM

58°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindSE 4 mph

Air QualityFair

Wind Gusts7 mph

Humidity90%

Indoor Humidity63% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility0.50 mi

Cloud Ceiling30000 ft

7 AM

59°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™59°

WindSSE 5 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts8 mph

Humidity88%

Indoor Humidity63% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover11%

Visibility2 mi

Cloud Ceiling30000 ft

8 AM

60°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™58°

WindS 6 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts10 mph

Humidity90%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility4 mi

Cloud Ceiling30000 ft

9 AM

64°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™62°

WindS 7 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts13 mph

Humidity82%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

70°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™67°

WindS 9 mph

Air QualityFair

Max UV Index4.1 (Moderate)

Wind Gusts16 mph

Humidity67%

Indoor Humidity67% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

75°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™71°

WindS 13 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts18 mph

Humidity56%

Indoor Humidity56% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

78°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™74°

WindS 15 mph

Air QualityFair

Max UV Index5.5 (Moderate)

Wind Gusts21 mph

Humidity50%

Indoor Humidity50% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

81°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™76°

WindS 16 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts24 mph

Humidity43%

Indoor Humidity43% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility0.00 mi

Cloud Ceiling30000 ft

2 PM

84°
RealFeel® 84°
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
rain drop 0%
Chevron down
Sunny

RealFeel Shade™80°

WindS 15 mph

Air QualityFair

Max UV Index4.1 (Moderate)

Wind Gusts25 mph

Humidity37%

Indoor Humidity37% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

85°
RealFeel® 84°
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
rain drop 0%
Chevron down
Sunny

RealFeel Shade™81°

WindSSE 15 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts27 mph

Humidity35%

Indoor Humidity35% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

86°
RealFeel® 84°
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
rain drop 0%
Chevron down
Sunny

RealFeel Shade™82°

WindSSE 15 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts25 mph

Humidity33%

Indoor Humidity33% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

83°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™80°

WindSSE 14 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts24 mph

Humidity36%

Indoor Humidity36% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

81°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™77°

WindSSE 14 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts22 mph

Humidity39%

Indoor Humidity39% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

77°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSSE 15 mph

Air QualityFair

Wind Gusts27 mph

Humidity46%

Indoor Humidity46% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

74°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSSE 14 mph

Air QualityFair

Wind Gusts27 mph

Humidity53%

Indoor Humidity53% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

71°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSSE 14 mph

Air QualityFair

Wind Gusts23 mph

Humidity61%

Indoor Humidity61% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

68°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSSE 13 mph

Air QualityFair

Wind Gusts18 mph

Humidity69%

Indoor Humidity69% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

65°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSSE 13 mph

Air QualityExcellent

Wind Gusts15 mph

Humidity79%

Indoor Humidity71% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Sunday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

March springlike surge to foster severe storms from Texas to Michigan

5 hours ago

Recreation

Battleship evacuated after walkway collapses in high winds

13 hours ago

Winter Weather

Meteorological spring to meet with wintry storms in Midwest, Northeast

8 hours ago

Severe Weather

Tornado season: What forecasters expect for severe weather in 2026

1 day ago

Weather News

106 degrees in Texas may be new record for U.S. winter

10 hours ago

 More Stories

Featured Stories

Winter Weather

Rhode Island student dies while charging phone in car during blizzard

13 hours ago

Weather News

After heartbreaking loss, famous eagle Jackie lays new egg

1 day ago

Astronomy

March adds daylight fast, a change bigger than most people realize

2 days ago

Weather News

A 4-month-old bird flew over 8,000 miles nonstop across the Pacific

2 days ago

Astronomy

Webb reveals Uranus’s upper atmosphere in unprecedented detail

2 days ago
World North America United States Texas San Marcos

Weather Near San Marcos:

  • Austin, TX
  • Cedar Park, TX
  • Round Rock, TX
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

...

...

...