Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe weather to hammer central US this week. Click for the forecast. Chevron right
Is Super El Niño coming? See what this could mean for weather and daily life. Chevron right

Cornwall, CA

52°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Cornwall

California

52°
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
Cornwall, 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

6 AM

51°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 51%
Chevron down
Showers

WindSSW 10 mph

Air QualityFair

Wind Gusts15 mph

Humidity90%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility6 mi

Cloud Ceiling3200 ft

7 AM

50°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 46%
Chevron down
Cloudy

RealFeel Shade™44°

WindSSW 10 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts14 mph

Humidity94%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling3400 ft

8 AM

50°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

RealFeel Shade™44°

WindSSW 12 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts14 mph

Humidity89%

Indoor Humidity46% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4100 ft

9 AM

52°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

RealFeel Shade™45°

WindSSW 13 mph

Air QualityExcellent

Max UV Index1.1 (Low)

Wind Gusts16 mph

Humidity89%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling3800 ft

10 AM

53°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 40%
Chevron down
Intermittent clouds

RealFeel Shade™46°

WindSSW 14 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts20 mph

Humidity84%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling3400 ft

11 AM

55°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 61%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™45°

WindSSW 15 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts23 mph

Humidity80%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.07 in

Visibility5 mi

Cloud Ceiling3100 ft

12 PM

56°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 61%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™46°

WindSSW 15 mph

Air QualityFair

Max UV Index2.5 (Low)

Wind Gusts23 mph

Humidity78%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.07 in

Visibility5 mi

Cloud Ceiling3100 ft

1 PM

56°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Intermittent clouds

RealFeel Shade™49°

WindSSW 14 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts25 mph

Humidity78%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling3100 ft

2 PM

56°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™50°

WindSW 14 mph

Air QualityFair

Max UV Index3.1 (Moderate)

Wind Gusts27 mph

Humidity77%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling3100 ft

3 PM

58°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™48°

WindSW 15 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts28 mph

Humidity72%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.07 in

Visibility5 mi

Cloud Ceiling4000 ft

4 PM

59°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™52°

WindSW 16 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts29 mph

Humidity67%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling5700 ft

5 PM

60°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 46%
Chevron down
Intermittent clouds

RealFeel Shade™54°

WindSW 15 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts28 mph

Humidity62%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

6 PM

58°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Intermittent clouds

RealFeel Shade™53°

WindWSW 14 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts23 mph

Humidity67%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling6800 ft

7 PM

56°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 54%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™48°

WindWSW 13 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts18 mph

Humidity72%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover70%

Rain0.07 in

Visibility5 mi

Cloud Ceiling4000 ft

8 PM

55°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 40%
Chevron down
Intermittent clouds

WindWSW 9 mph

Air QualityExcellent

Wind Gusts13 mph

Humidity76%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling6400 ft

9 PM

53°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

WindWSW 8 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity80%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling6400 ft

10 PM

52°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 37%
Chevron down
Intermittent clouds

WindWSW 8 mph

Air QualityExcellent

Wind Gusts9 mph

Humidity83%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling6400 ft

11 PM

51°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

WindWSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity86%

Indoor Humidity46% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling6400 ft

Hourly Weather Forecast for Cornwall

AccuWeather's hourly forecast for Cornwall provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 51° with a RealFeel® of 44°, showers with a 51% 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

Severe Weather

Severe storms to relentlessly hammer central US into mid-April

3 hours ago

Astronomy

Artemis II astronauts return home after historic lunar flyby

22 hours ago

Climate

Super El Niño: What it could mean for weather, heat and daily life

2 days ago

Climate

The US just experienced its hottest March on record

3 days ago

Weather Forecasts

Heat wave brewing for part of eastern US this week

3 hours ago

More Stories

Featured Stories

Severe Weather

Woman in critical condition after lightning strike in Colorado

1 day ago

Sports

Masters at Augusta National: How weather will impact the course

3 hours ago

Severe Weather

Earth's lightning capital gets 8,000 strikes per day

1 day ago

Hurricane

Atlantic hurricane season forecast 2026: 11-16 named storms predicted

2 days ago

Sports

Tropicana Field reopens after Hurricane Milton as Rays secure home win

4 days ago

World North America United States California Cornwall

Weather Near Cornwall:

  • 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

...

...

...