Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
1st frost of fall is coming for the Northeast, Midwest. Click for the temp forecast. Chevron right
Tropical threat emerges in the Gulf. Click for forecast. Chevron right

Mill Valley, CA

91°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Mill Valley

California

91°
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
2
Heat Advisory

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

October 4 - October 18

Sun 10/4

91° /58°
0%
Not as hot with intervals of bright sunshine
alerts

Heat Advisory

11:00 AM Saturday - 10:00 PM Wednesday

RealFeel®92°

RealFeel Shade™90°

Max UV Index3.0 (Moderate)

WindNNW 5 mph

Mon 10/5

87° /58°
0%
Very warm with plenty of sun
alerts

Heat Advisory

11:00 AM Saturday - 10:00 PM Wednesday

RealFeel®89°

RealFeel Shade™84°

Max UV Index5.0 (Moderate)

WindWSW 5 mph

Tue 10/6

87° /56°
1%
Mostly sunny and very warm
alerts

Heat Advisory

11:00 AM Saturday - 10:00 PM Wednesday

RealFeel®89°

RealFeel Shade™85°

Max UV Index4.0 (Moderate)

WindWSW 6 mph

Wed 10/7

83° /51°
1%
Mostly sunny
alerts

Heat Advisory

11:00 AM Saturday - 10:00 PM Wednesday

RealFeel®84°

RealFeel Shade™80°

Max UV Index4.0 (Moderate)

WindWNW 6 mph

Thu 10/8

79° /54°
2%
Areas of low clouds early; otherwise, mostly sunny and beautiful

RealFeel®80°

RealFeel Shade™76°

Max UV Index4.0 (Moderate)

WindSW 6 mph

Fri 10/9

80° /57°
3%
Areas of low clouds, then some sun

RealFeel®80°

RealFeel Shade™77°

Max UV Index4.0 (Moderate)

WindWSW 10 mph

Sat 10/10

75° /53°
10%
Partly sunny and pleasant

RealFeel®77°

RealFeel Shade™72°

Max UV Index4.0 (Moderate)

WindWSW 12 mph

Sun 10/11

76° /52°
0%
Mostly sunny

RealFeel®78°

RealFeel Shade™74°

Max UV Index4.0 (Moderate)

WindNNW 4 mph

Mon 10/12

78° /54°
0%
Plenty of sunshine

RealFeel®80°

RealFeel Shade™76°

Max UV Index4.0 (Moderate)

WindN 5 mph

Tue 10/13

80° /53°
0%
Sunny

RealFeel®81°

RealFeel Shade™78°

Max UV Index4.0 (Moderate)

WindWSW 5 mph

Wed 10/14

79° /56°
0%
Sunshine and a few clouds

RealFeel®82°

RealFeel Shade™77°

Max UV Index4.0 (Moderate)

WindNW 4 mph

Thu 10/15

81° /55°
0%
Mostly sunny

RealFeel®84°

RealFeel Shade™80°

Max UV Index4.0 (Moderate)

WindNNW 1 mph

Fri 10/16

83° /54°
0%
Plenty of sun

RealFeel®84°

RealFeel Shade™81°

Max UV Index4.0 (Moderate)

WindNNW 4 mph

Sat 10/17

75° /50°
20%
Plenty of sunshine

RealFeel®80°

RealFeel Shade™75°

Max UV Index4.0 (Moderate)

WindNE 1 mph

Sun 10/18

80° /56°
20%
Plenty of sunshine

RealFeel®82°

RealFeel Shade™78°

Max UV Index4.0 (Moderate)

WindNE 5 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Flooding downpours soak Southeast as Gulf tropical threat emerges

3 hours ago

Weather News

Daylight Saving Time 2026: When do clocks fall back?

2 days ago

Weather Forecasts

Coldest air of season to bring freeze risk to Northeast, Great Lakes

4 hours ago

Severe Weather

500 tornadoes: A storm-chasing milestone 30 years in the making

2 days ago

Weather Forecasts

Summerlike heat grips L.A., San Diego: When will it end?

5 hours ago

 More Stories

Featured Stories

Climate

How El Niño will drive up the cost of foods you love

2 days ago

Astronomy

Happy New Year, Mars! Red Planet begins its 39th year

3 days ago

Severe Weather

Flood rescues mount as downpours shatter Nebraska town rainfall record

2 days ago

Weather News

King tides flood South Florida streets, disrupt power at condos

3 days ago

Astronomy

October stargazing: Best time to see Saturn, meteors from Halley's Com...

3 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

...

...

...