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

Carmarthen, Carmarthenshire

53°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Carmarthen

Carmarthenshire

53°
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
Carmarthen, Carmarthenshire 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

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

March 17 - April 15

Tue 3/17

59° /41°
25%
Not as cool with clouds and sunshine; breezy this morning, then pleasant this afternoon

RealFeel®53°

RealFeel Shade™51°

Max UV Index3.0 (Moderate)

WindS 17 mph

Wed 3/18

65° /40°
1%
Nice with periods of clouds and sun

RealFeel®64°

RealFeel Shade™61°

Max UV Index3.0 (Moderate)

WindESE 10 mph

Thu 3/19

63° /38°
0%
Nice with sunshine

RealFeel®65°

RealFeel Shade™61°

Max UV Index3.0 (Moderate)

WindENE 8 mph

Fri 3/20

61° /38°
1%
Sun through high clouds

RealFeel®62°

RealFeel Shade™62°

Max UV Index2.0 (Low)

WindENE 6 mph

Sat 3/21

59° /41°
2%
Hazy sunshine

RealFeel®65°

RealFeel Shade™59°

Max UV Index3.0 (Moderate)

WindESE 5 mph

Sun 3/22

54° /46°
4%
Clouds followed by a brightening sky

RealFeel®55°

RealFeel Shade™52°

Max UV Index1.0 (Low)

WindSSW 6 mph

Mon 3/23

53° /43°
57%
Variable cloudiness with a couple of showers, mainly early in the day

RealFeel®49°

RealFeel Shade™48°

Max UV Index3.0 (Moderate)

WindSSW 16 mph

Tue 3/24

52° /43°
56%
A couple of showers in the morning; otherwise, times of clouds and sun

RealFeel®48°

RealFeel Shade™48°

Max UV Index3.0 (Moderate)

WindNW 15 mph

Wed 3/25

53° /44°
55%
Cloudy with occasional rain

RealFeel®48°

RealFeel Shade™48°

Max UV Index1.0 (Low)

WindW 14 mph

Thu 3/26

54° /43°
20%
Mostly cloudy

RealFeel®51°

RealFeel Shade™50°

Max UV Index2.0 (Low)

WindNNW 12 mph

Fri 3/27

53° /41°
55%
Occasional morning rain; otherwise, cloudy

RealFeel®48°

RealFeel Shade™46°

Max UV Index2.0 (Low)

WindW 15 mph

Sat 3/28

52° /40°
58%
Mostly cloudy with occasional rain

RealFeel®52°

RealFeel Shade™52°

Max UV Index4.0 (Moderate)

WindWNW 9 mph

Sun 3/29

51° /38°
55%
A blend of sun and clouds with a stray shower in the afternoon

RealFeel®45°

RealFeel Shade™43°

Max UV Index3.0 (Moderate)

WindW 16 mph

Mon 3/30

50° /42°
25%
Mostly cloudy

RealFeel®48°

RealFeel Shade™48°

Max UV Index2.0 (Low)

WindNNE 8 mph

Tue 3/31

52° /39°
25%
Turning cloudy

RealFeel®51°

RealFeel Shade™51°

Max UV Index2.0 (Low)

WindE 6 mph

Wed 4/1

52° /39°
25%
Cloudy

RealFeel®52°

RealFeel Shade™51°

Max UV Index1.0 (Low)

WindESE 5 mph

Thu 4/2

54° /41°
25%
A thick cloud cover

RealFeel®49°

RealFeel Shade™49°

Max UV Index1.0 (Low)

WindE 9 mph

Fri 4/3

51° /38°
25%
Times of clouds and sun

RealFeel®45°

RealFeel Shade™44°

Max UV Index2.0 (Low)

WindE 13 mph

Sat 4/4

50° /39°
73%
Cloudy; a passing shower in the morning followed by rain in the afternoon

RealFeel®37°

RealFeel Shade™37°

Max UV Index1.0 (Low)

WindESE 16 mph

Sun 4/5

49° /39°
25%
Cloudy

RealFeel®41°

RealFeel Shade™41°

Max UV Index1.0 (Low)

WindESE 13 mph

Mon 4/6

51° /44°
57%
Remaining cloudy; a little morning rain followed by a shower in spots in the afternoon

RealFeel®44°

RealFeel Shade™44°

Max UV Index1.0 (Low)

WindSE 15 mph

Tue 4/7

52° /41°
20%
Partly sunny

RealFeel®48°

RealFeel Shade™44°

Max UV Index4.0 (Moderate)

WindESE 15 mph

Wed 4/8

54° /40°
20%
Times of sun and clouds

RealFeel®49°

RealFeel Shade™46°

Max UV Index4.0 (Moderate)

WindESE 18 mph

Thu 4/9

52° /39°
25%
Turning cloudy

RealFeel®43°

RealFeel Shade™43°

Max UV Index4.0 (Moderate)

WindENE 17 mph

Fri 4/10

51° /39°
25%
Partly sunny

RealFeel®49°

RealFeel Shade™44°

Max UV Index4.0 (Moderate)

WindNNE 10 mph

Sat 4/11

50° /40°
25%
Intervals of clouds and sunshine

RealFeel®56°

RealFeel Shade™50°

Max UV Index3.0 (Moderate)

WindN 5 mph

Sun 4/12

51° /39°
25%
A thick cloud cover

RealFeel®53°

RealFeel Shade™53°

Max UV Index1.0 (Low)

WindWSW 4 mph

Mon 4/13

51° /41°
56%
Cloudy; a morning shower in spots followed by a little rain in the afternoon

RealFeel®47°

RealFeel Shade™46°

Max UV Index1.0 (Low)

WindSSW 8 mph

Tue 4/14

52° /44°
64%
Cloudy; morning showers followed by a thundershower in parts of the area in the afternoon

RealFeel®46°

RealFeel Shade™45°

Max UV Index1.0 (Low)

WindSSW 12 mph

Wed 4/15

53° /42°
25%
Sun followed by increasing clouds

RealFeel®59°

RealFeel Shade™52°

Max UV Index5.0 (Moderate)

WindS 4 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Top Stories

Winter Weather

Snow squalls to create highway dangers in Upper Midwest, Northeast

2 hours ago

Winter Weather

Blizzard snarls travel; Midwest city sees biggest snow day since 1889

2 hours ago

Weather Forecasts

Record-shattering March scorcher: 70 million to bake in heat dome

33 minutes ago

Astronomy

See it: Bright daytime meteor triggers sonic boom over Cleveland

1 hour ago

Weather Forecasts

Hawaii Kona storm sweeps state with 135-mph winds, 44 inches of rain

23 hours ago

More Stories

Featured Stories

Astronomy

Moon project delays among barrage of challenges for NASA

3 days ago

Winter Weather

Nine states had their warmest winter ever recorded

6 days ago

Weather News

'Doomsday fish' rescued after washing ashore in Mexico

4 days ago

Recreation

'Quicksand alert' issued at National Park Service site

5 days ago

Severe Weather

Why nighttime tornadoes are 2.5 times more deadly

6 days ago

World Europe United Kingdom Carmarthenshire Carmarthen

Weather Near Carmarthen:

  • Bridgend, Ceredigion
  • Llanelli, Carmarthenshire
  • Swansea, Swansea
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

...

...

...