Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™

St Martin, Cornwall

43°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St Martin

Cornwall

43°
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
St Martin, Cornwall Weather
Today WinterCast Local {stormName} Tracker Hourly Daily 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

Today

Hourly

Daily Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

12 AM

43°
RealFeel® 24°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 80%
Chevron down
Showers

WindE 28 mph

Air QualityFair

Wind Gusts36 mph

Humidity93%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility5 mi

Cloud Ceiling1500 ft

1 AM

43°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 39%
Chevron down
Cloudy

WindE 25 mph

Air QualityFair

Wind Gusts35 mph

Humidity93%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1500 ft

2 AM

41°
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 33%
Chevron down
Cloudy

WindE 23 mph

Air QualityFair

Wind Gusts35 mph

Humidity98%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1500 ft

3 AM

42°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 33%
Chevron down
Cloudy

WindE 21 mph

Air QualityFair

Wind Gusts33 mph

Humidity98%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1500 ft

4 AM

42°
RealFeel® 29°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

WindE 20 mph

Air QualityFair

Wind Gusts33 mph

Humidity98%

Indoor Humidity38% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1500 ft

5 AM

42°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 37%
Chevron down
Cloudy

WindE 18 mph

Air QualityFair

Wind Gusts33 mph

Humidity99%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1500 ft

6 AM

43°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 40%
Chevron down
Showers
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

WindE 18 mph

Air QualityFair

Wind Gusts32 mph

Humidity99%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility5 mi

Cloud Ceiling1400 ft

7 AM

43°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 45%
Chevron down
Cloudy
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

WindE 21 mph

Air QualityFair

Wind Gusts33 mph

Humidity100%

Indoor Humidity41% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1400 ft

8 AM

44°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 53%
Chevron down
Showers
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

RealFeel Shade™28°

WindE 22 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts35 mph

Humidity100%

Indoor Humidity41% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility4 mi

Cloud Ceiling1400 ft

9 AM

45°
RealFeel® 29°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 53%
Chevron down
Showers
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

RealFeel Shade™29°

WindE 23 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts35 mph

Humidity100%

Indoor Humidity43% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility4 mi

Cloud Ceiling1400 ft

10 AM

45°
RealFeel® 29°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 66%
Chevron down
Rain
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

RealFeel Shade™29°

WindE 25 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts36 mph

Humidity100%

Indoor Humidity44% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.06 in

Visibility4 mi

Cloud Ceiling1300 ft

11 AM

46°
RealFeel® 29°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 66%
Chevron down
Rain
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

RealFeel Shade™29°

WindE 27 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts36 mph

Humidity100%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.06 in

Visibility4 mi

Cloud Ceiling1300 ft

12 PM

46°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

RealFeel Shade™33°

WindE 27 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts37 mph

Humidity100%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1300 ft

1 PM

47°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 62%
Chevron down
Rain
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

RealFeel Shade™31°

WindE 27 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts36 mph

Humidity100%

Indoor Humidity46% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility4 mi

Cloud Ceiling1200 ft

2 PM

47°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 70%
Chevron down
Rain
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

RealFeel Shade™32°

WindE 24 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts33 mph

Humidity100%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.08 in

Visibility4 mi

Cloud Ceiling1200 ft

3 PM

47°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 64%
Chevron down
Rain
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

RealFeel Shade™31°

WindE 22 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts31 mph

Humidity100%

Indoor Humidity46% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility4 mi

Cloud Ceiling1100 ft

4 PM

47°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

RealFeel Shade™36°

WindE 18 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts28 mph

Humidity100%

Indoor Humidity46% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1100 ft

5 PM

46°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 56%
Chevron down
Rain
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

RealFeel Shade™34°

WindSSW 14 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts25 mph

Humidity100%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility4 mi

Cloud Ceiling1100 ft

6 PM

46°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

WindWSW 12 mph

Air QualityFair

Wind Gusts23 mph

Humidity100%

Indoor Humidity44% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling13000 ft

7 PM

45°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

WindW 13 mph

Air QualityFair

Wind Gusts18 mph

Humidity100%

Indoor Humidity43% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling1100 ft

8 PM

43°
RealFeel® 29°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 66%
Chevron down
Rain
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

WindNW 16 mph

Air QualityFair

Wind Gusts17 mph

Humidity100%

Indoor Humidity41% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.03 in

Visibility6 mi

Cloud Ceiling1100 ft

9 PM

42°
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 66%
Chevron down
Rain
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

WindNW 18 mph

Air QualityFair

Wind Gusts21 mph

Humidity100%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.03 in

Visibility6 mi

Cloud Ceiling1100 ft

10 PM

42°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

WindNW 20 mph

Air QualityFair

Wind Gusts22 mph

Humidity100%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling1100 ft

11 PM

41°
RealFeel® 24°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 63%
Chevron down
Rain
alerts

Yellow Warning for Rain

6:00 AM Wednesday - 8:00 AM Thursday

WindNW 21 mph

Air QualityFair

Wind Gusts23 mph

Humidity100%

Indoor Humidity38% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.03 in

Visibility6 mi

Cloud Ceiling1200 ft

Further Ahead

Tomorrow

Thursday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Top Stories

Weather News

Deadly pileups, fast-moving Plains wildfires fueled by dangerous winds

1 hour ago

Winter Weather

Weekend snowstorm risk in Northeast hinges on storm track, cold air

1 hour ago

Winter Weather

California storm dumps feet of snow, floods SoCal major highways

5 hours ago

Winter Weather

Feet of snow to bury California mountains through next week

3 hours ago

Climate

Winter is getting shorter across nearly 200 U.S. cities

3 hours ago

More Stories

Featured Stories

Winter Weather

‘Pothole season’ is here as winter takes its toll on roads in the East

2 hours ago

Recreation

Presidents Day marks first Free National Park day in 2026

1 day ago

Weather News

What's behind South Carolina’s recent earthquakes

6 hours ago

Weather News

Shipwreck missing since 1872 discovered at bottom of Lake Michigan

9 hours ago

Sports

Why skiing will forever be the most glamorous sport

1 day ago

World Europe United Kingdom Cornwall St Martin

Weather Near St Martin:

  • Falmouth, Cornwall
  • Newquay, Cornwall
  • Plymouth, Plymouth
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
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
© 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

...

...

...