Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
JUST IN: AccuWeather releases winter forecast for the U.S. Chevron right
Isaias to become hurricane in the Gulf before U.S. landfall. Click for details. Chevron right

Mill Valley, CA

75°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Mill Valley

California

75°
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
Mill Valley, 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

11 AM

75°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Coastal Flood Advisory

11:54 PM Monday - 1:00 PM Thursday

RealFeel Shade™73°

WindW 5 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts5 mph

Humidity48%

Indoor Humidity48% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover13%

Visibility22 mi

Cloud Ceiling33000 ft

12 PM

78°
RealFeel® 82°
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

Coastal Flood Advisory

11:54 PM Monday - 1:00 PM Thursday

RealFeel Shade™76°

WindWSW 6 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts8 mph

Humidity43%

Indoor Humidity43% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover22%

Visibility22 mi

Cloud Ceiling30000 ft

1 PM

81°
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
Mostly sunny
alerts

Coastal Flood Advisory

11:54 PM Monday - 1:00 PM Thursday

RealFeel Shade™78°

Heat Index81°

WindWSW 7 mph

Air QualityFair

Max UV Index4.4 (Moderate)

Wind Gusts10 mph

Humidity41%

Indoor Humidity41% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover23%

Visibility4 mi

Cloud Ceiling30000 ft

2 PM

83°
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

Coastal Flood Advisory

11:54 PM Monday - 1:00 PM Thursday

RealFeel Shade™79°

Heat Index83°

WindWSW 15 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts29 mph

Humidity40%

Indoor Humidity40% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

86°
RealFeel® 85°
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

Coastal Flood Advisory

11:54 PM Monday - 1:00 PM Thursday

RealFeel Shade™82°

Heat Index84°

WindW 16 mph

Air QualityPoor

Max UV Index3.4 (Moderate)

Wind Gusts29 mph

Humidity37%

Indoor Humidity37% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

84°
RealFeel® 82°
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

Coastal Flood Advisory

11:54 PM Monday - 1:00 PM Thursday

RealFeel Shade™80°

Heat Index83°

WindW 16 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts29 mph

Humidity37%

Indoor Humidity37% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover27%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

82°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Coastal Flood Advisory

11:54 PM Monday - 1:00 PM Thursday

RealFeel Shade™78°

Heat Index81°

WindWNW 16 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts29 mph

Humidity39%

Indoor Humidity39% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

79°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Coastal Flood Advisory

11:54 PM Monday - 1:00 PM Thursday

RealFeel Shade™76°

WindWNW 15 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts28 mph

Humidity42%

Indoor Humidity42% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover19%

Visibility10 mi

Cloud Ceiling30000 ft

7 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
alerts

Coastal Flood Advisory

11:54 PM Monday - 1:00 PM Thursday

WindWNW 14 mph

Air QualityFair

Wind Gusts27 mph

Humidity49%

Indoor Humidity49% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

71°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Coastal Flood Advisory

11:54 PM Monday - 1:00 PM Thursday

WindWNW 5 mph

Air QualityFair

Wind Gusts9 mph

Humidity54%

Indoor Humidity54% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

67°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Coastal Flood Advisory

11:54 PM Monday - 1:00 PM Thursday

WindWNW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity61%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

65°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Coastal Flood Advisory

11:54 PM Monday - 1:00 PM Thursday

WindNW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity67%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover14%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

62°
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
alerts

Coastal Flood Advisory

11:54 PM Monday - 1:00 PM Thursday

WindWNW 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity73%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover16%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Mill Valley

AccuWeather's hourly forecast for Mill Valley provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 75° with a RealFeel® of 80°, mostly sunny 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

Winter Weather

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

3 hours ago

Hurricane

Tropical Storm Isaias forms, to become Atlantic's 1st hurricane

1 hour ago

Winter Weather

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

5 hours ago

Severe Weather

Isaias may spin up tornadoes as it tracks across the Southeast

2 hours ago

Hurricane

Rachel to break Southwest heat and ease drought, but with flood risk

5 hours ago

 More Stories

Featured Stories

Weather News

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

1 hour ago

Weather News

October heat strains Southern California grid as thousands lose power

1 day 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 Mill Valley

Weather Near Mill Valley:

  • Oakland, CA
  • San Francisco, CA
  • San Jose, 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

...

...

...