Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Isaias: Hurricane landfall predicted in U.S. Click for the track map. Chevron right
Winter Forecast: See how much snow will fall this year. Click for more. Chevron right

Tustin, CA

74°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Tustin

California

74°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
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
Tustin, 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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

12 AM

74°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

WindSSW 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity76%

Indoor Humidity76% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover8%

Visibility10 mi

Cloud Ceiling30000 ft

1 AM

74°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

WindSSW 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity77%

Indoor Humidity77% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

2 AM

73°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

WindSSW 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity78%

Indoor Humidity78% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

72°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

WindSSW 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity79%

Indoor Humidity79% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

71°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

WindSSW 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity80%

Indoor Humidity80% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

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

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

WindSSW 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity80%

Indoor Humidity80% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

70°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

WindS 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity80%

Indoor Humidity80% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

69°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™69°

WindSSE 4 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts4 mph

Humidity84%

Indoor Humidity84% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

73°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™75°

WindSSE 4 mph

Air QualityPoor

Max UV Index0.7 (Low)

Wind Gusts4 mph

Humidity73%

Indoor Humidity73% (Humid)

Dew Point64° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

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

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™78°

WindSW 4 mph

Air QualityPoor

Max UV Index1.7 (Low)

Wind Gusts5 mph

Humidity62%

Indoor Humidity62% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

82°
RealFeel® 86°
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
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™82°

Heat Index84°

WindWSW 5 mph

Air QualityPoor

Max UV Index2.6 (Moderate)

Wind Gusts6 mph

Humidity55%

Indoor Humidity55% (Humid)

Dew Point65° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

85°
RealFeel® 90°
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
rain drop 0%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™85°

Heat Index87°

WindWSW 6 mph

Air QualityPoor

Max UV Index3.8 (Moderate)

Wind Gusts6 mph

Humidity49%

Indoor Humidity49% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

88°
RealFeel® 93°
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
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™87°

Heat Index89°

WindW 7 mph

Air QualityPoor

Max UV Index4.6 (Moderate)

Wind Gusts7 mph

Humidity44%

Indoor Humidity44% (Humid)

Dew Point64° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

91°
RealFeel® 94°
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
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™89°

Heat Index92°

WindW 8 mph

Air QualityPoor

Max UV Index4.9 (Moderate)

Wind Gusts12 mph

Humidity39%

Indoor Humidity39% (Humid)

Dew Point63° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

93°
RealFeel® 95°
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
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™90°

Heat Index93°

WindW 9 mph

Air QualityPoor

Max UV Index4.6 (Moderate)

Wind Gusts14 mph

Humidity36%

Indoor Humidity36% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

91°
RealFeel® 93°
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
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™89°

Heat Index91°

WindW 9 mph

Air QualityPoor

Max UV Index3.8 (Moderate)

Wind Gusts13 mph

Humidity38%

Indoor Humidity38% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

89°
RealFeel® 90°
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
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™87°

Heat Index90°

WindWSW 9 mph

Air QualityPoor

Max UV Index2.6 (Moderate)

Wind Gusts10 mph

Humidity41%

Indoor Humidity41% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover8%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

86°
RealFeel® 86°
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
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™84°

Heat Index87°

WindWSW 8 mph

Air QualityPoor

Max UV Index1.7 (Low)

Wind Gusts9 mph

Humidity45%

Indoor Humidity45% (Humid)

Dew Point63° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

84°
RealFeel® 83°
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
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel Shade™83°

Heat Index85°

WindWSW 7 mph

Air QualityPoor

Max UV Index0.7 (Low)

Wind Gusts7 mph

Humidity50%

Indoor Humidity50% (Humid)

Dew Point64° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

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

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

Heat Index82°

WindSW 6 mph

Air QualityPoor

Wind Gusts6 mph

Humidity58%

Indoor Humidity58% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

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

WindSW 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity67%

Indoor Humidity67% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

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

WindSSW 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity74%

Indoor Humidity74% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover38%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

73°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindSSW 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity79%

Indoor Humidity79% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover53%

Visibility10 mi

Cloud Ceiling11300 ft

11 PM

72°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindSSW 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity80%

Indoor Humidity80% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling2000 ft

Hourly Weather Forecast for Tustin

AccuWeather's hourly forecast for Tustin provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 74° with a RealFeel® of 75°, clear with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Friday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Isaias is Atlantic’s first hurricane; to reach US coast this weekend

2 hours ago

Winter Weather

Winter forecast 2026-2027: El Niño to reshape snow, cold across US

15 hours ago

Winter Weather

Much colder air, snow coming to western U.S. in dramatic weather shift

12 hours ago

Severe Weather

Isaias may spin up tornadoes as it tracks across the Southeast

2 hours ago

Hurricane

Rachel to make rare approach to California, rain to douse Southwest

10 hours ago

 More Stories

Featured Stories

Weather News

Saturday brings prime fall foliage viewing in the East ahead of Isaias

14 hours ago

Weather News

October heat strains Southern California grid as thousands lose power

2 days ago

Astronomy

Jupiter disappeared behind the moon in an eclipse-like event

1 day ago

Travel

Sycamore Gap tree sprouts new life 3 years after vandals cut it down

2 days ago

Weather News

The hidden costs behind your higher electric bill

2 days ago
World North America United States California Tustin

Weather Near Tustin:

  • 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

...

...

...