Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
A May heat wave will complete the spring weather whiplash in the East. Click for details. Chevron right
Severe thunderstorms, some with tornadoes will prowl the Central states. Click to see where, when. Chevron right

Rio Vista, CA

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

Rio Vista

California

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
Rio Vista, 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

9 AM

67°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Red Flag Warning

5:00 AM Saturday - 8:00 PM Monday
alerts

Wind Advisory

11:00 PM Saturday - 8:00 PM Sunday

RealFeel Shade™63°

WindNNW 21 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts27 mph

Humidity38%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling33400 ft

10 AM

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

Red Flag Warning

5:00 AM Saturday - 8:00 PM Monday
alerts

Wind Advisory

11:00 PM Saturday - 8:00 PM Sunday

RealFeel Shade™66°

WindNNW 24 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts30 mph

Humidity30%

Indoor Humidity30% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

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

Red Flag Warning

5:00 AM Saturday - 8:00 PM Monday
alerts

Wind Advisory

11:00 PM Saturday - 8:00 PM Sunday

RealFeel Shade™69°

WindNNW 25 mph

Air QualityFair

Max UV Index7.0 (High)

Wind Gusts32 mph

Humidity24%

Indoor Humidity24% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

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

Red Flag Warning

5:00 AM Saturday - 8:00 PM Monday
alerts

Wind Advisory

11:00 PM Saturday - 8:00 PM Sunday

RealFeel Shade™70°

WindNNW 28 mph

Air QualityFair

Max UV Index9.3 (Very High)

Wind Gusts33 mph

Humidity21%

Indoor Humidity21% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

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

Red Flag Warning

5:00 AM Saturday - 8:00 PM Monday
alerts

Wind Advisory

11:00 PM Saturday - 8:00 PM Sunday

RealFeel Shade™72°

WindNNW 29 mph

Air QualityFair

Max UV Index10.3 (Very High)

Wind Gusts35 mph

Humidity19%

Indoor Humidity19% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

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

Red Flag Warning

5:00 AM Saturday - 8:00 PM Monday
alerts

Wind Advisory

11:00 PM Saturday - 8:00 PM Sunday

RealFeel Shade™73°

WindNNW 27 mph

Air QualityFair

Max UV Index9.3 (Very High)

Wind Gusts32 mph

Humidity18%

Indoor Humidity18% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

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

Red Flag Warning

5:00 AM Saturday - 8:00 PM Monday
alerts

Wind Advisory

11:00 PM Saturday - 8:00 PM Sunday

RealFeel Shade™74°

WindNNW 28 mph

Air QualityFair

Max UV Index7.0 (High)

Wind Gusts32 mph

Humidity17%

Indoor Humidity17% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

80°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

5:00 AM Saturday - 8:00 PM Monday
alerts

Wind Advisory

11:00 PM Saturday - 8:00 PM Sunday

RealFeel Shade™74°

WindN 27 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts31 mph

Humidity16%

Indoor Humidity16% (Dry)

Dew Point29° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

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

Red Flag Warning

5:00 AM Saturday - 8:00 PM Monday
alerts

Wind Advisory

11:00 PM Saturday - 8:00 PM Sunday

RealFeel Shade™75°

WindN 27 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts31 mph

Humidity15%

Indoor Humidity15% (Dry)

Dew Point29° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover17%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

79°
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

Red Flag Warning

5:00 AM Saturday - 8:00 PM Monday
alerts

Wind Advisory

11:00 PM Saturday - 8:00 PM Sunday

RealFeel Shade™74°

WindN 25 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts30 mph

Humidity15%

Indoor Humidity15% (Dry)

Dew Point28° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

78°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Red Flag Warning

5:00 AM Saturday - 8:00 PM Monday
alerts

Wind Advisory

11:00 PM Saturday - 8:00 PM Sunday

RealFeel Shade™73°

WindN 24 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts28 mph

Humidity15%

Indoor Humidity15% (Dry)

Dew Point26° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

75°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Red Flag Warning

5:00 AM Saturday - 8:00 PM Monday

RealFeel Shade™71°

WindN 20 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts22 mph

Humidity15%

Indoor Humidity15% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

72°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Red Flag Warning

5:00 AM Saturday - 8:00 PM Monday

WindN 18 mph

Air QualityFair

Wind Gusts20 mph

Humidity16%

Indoor Humidity16% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

70°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Red Flag Warning

5:00 AM Saturday - 8:00 PM Monday

WindN 17 mph

Air QualityFair

Wind Gusts18 mph

Humidity17%

Indoor Humidity17% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

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

Red Flag Warning

5:00 AM Saturday - 8:00 PM Monday

WindN 16 mph

Air QualityFair

Wind Gusts17 mph

Humidity18%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Rio Vista

AccuWeather's hourly forecast for Rio Vista provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 67° with a RealFeel® of 66°, 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

Tuesday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Climate

Super El Niño could strain food and water supplies around the world

2 days ago

Severe Weather

High-risk severe weather setup to focus on Plains, Midwest into Monday

3 hours ago

Weather Forecasts

Heat wave to complete spring weather whiplash, worsen drought in East

5 hours ago

Severe Weather

Deadly storms, flooding rain kill at least 96 in India

1 day ago

Winter Weather

Winter to return to Colorado, Wyoming with more May mountain snow

5 hours ago

 More Stories

Featured Stories

Hurricane

El Nino to fuel Pacific hurricane season, raise risks for California

2 days ago

Health

Wet spring, more mice? The weather link behind rare hantavirus risk

2 days ago

Climate

Turkmenistan's fiery 'Gates of Hell' crater is dimming

2 days ago

Weather News

Here's how New York residents can get free A/C this summer

3 days ago

Recreation

Brain-eating amoeba found in hot springs at 3 National Parks: study

4 days ago
World North America United States California Rio Vista

Weather Near Rio Vista:

  • Modesto, CA
  • Sacramento, CA
  • Stockton, 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

...

...

...