City in South Wales

Cardiff Weather Forecast

Cardiff weather: 57°F, mainly clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

🌙 57°F now🕔 4:57 AM local📅 Best: June, July and August👥 375.000

Summary

Cardiff is a city in South Wales. Cardiff is known for the castle and Millennium Centre. It has a population of about 375.000.

Right now it is 57°F (14°C) in Cardiff with mainly clear. It feels like 56°F. Today runs from 55°F to 65°F. Chance of precipitation is 43%. Sightseeing conditions score 8.5/10 - excellent - go now.

The best time to visit Cardiff is June, July and August. The climate is temperate. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 73°F, while January is the coldest with lows near 36°F.

The closest major airport is London Heathrow Airport (LHR), about 117 mi away. Nearby highlights include Stonehenge, Avebury and Associated Sites, Stonehenge, Snowdonia National Park and River Thames.

In plain terms. Today is slightly warmer than average for October. The forecast high of 65°F is 5.6°F above the 59°F typical for this month. The best window to be outside is roughly 4 PM to 7 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Cardiff today at 9.6/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Weather in Cardiff right now

🌙
57°F
Mainly clear · feels like 56°F
Humidity89%
Wind4 mph WSW
Gusts9 mph
UV index0 · Low
Cloud cover49%
Pressure1015 hPa
VisibilityGood · 10 mi
Air quality28 · Good
Sunrise7:13 AM
Sunset6:50 PM
Moon🌖 Waning gibbous · 79%

Source: Open-Meteo. Updated 4:57 AM, Oct 1 local time.

See the Cardiff forecast by time range

Next 24 hours

Hour-by-hour temperature, precipitation chance and wind.

5 AM🌙57°41%3 mph
6 AM☁️57°43%3 mph
7 AM🌦️56°43%4 mph
8 AM🌤️55°40%0 mph
9 AM☀️57°36%1 mph
10 AM⛅60°33%5 mph
11 AM☀️62°34%6 mph
12 PM☁️63°35%8 mph
1 PM🌦️63°35%6 mph
2 PM☁️64°30%9 mph
3 PM🌤️65°22%9 mph
4 PM🌤️65°16%9 mph
5 PM🌤️64°12%8 mph
6 PM🌤️63°9%9 mph
7 PM🌙61°6%6 mph
8 PM🌙60°3%6 mph
9 PM🌙60°1%6 mph
10 PM🌙60°0%7 mph
11 PM🌙59°0%7 mph
12 AM🌙58°0%6 mph
1 AM🌙58°0%6 mph
2 AM🌙58°3%6 mph
3 AM🌙58°7%5 mph
4 AM🌙58°10%5 mph

16-day forecast for Cardiff

Daily highs and lows, precipitation and UV.

DayConditionsHigh / LowPrecipWindUV
Thu, Oct 1🌦️ Drizzle65° / 55°43% · 0,1 in9 mph3
Fri, Oct 2☁️ Overcast68° / 57°84%11 mph2
Sat, Oct 3🌦️ Drizzle63° / 54°31% · 0,2 in9 mph4
Sun, Oct 4🌦️ Light drizzle63° / 49°20% · 0,0 in7 mph3
Mon, Oct 5🌦️ Light drizzle64° / 61°7% · 0,1 in13 mph3
Tue, Oct 6🌦️ Drizzle62° / 57°21% · 0,1 in15 mph3
Wed, Oct 7☁️ Overcast59° / 50°21% · 0,0 in11 mph3
Thu, Oct 8☁️ Overcast57° / 44°16%11 mph3
Fri, Oct 9🌧️ Heavy drizzle59° / 43°30% · 0,5 in19 mph3
Sat, Oct 10🌧️ Heavy drizzle54° / 49°31% · 0,6 in11 mph2
Sun, Oct 11🌦️ Light drizzle58° / 45°25% · 0,0 in11 mph3
Mon, Oct 12⛅ Partly cloudy56° / 44°33%8 mph3
Tue, Oct 13🌦️ Light showers55° / 46°37% · 1,0 in23 mph3
Wed, Oct 14🌦️ Drizzle53° / 49°— · 0,4 in13 mph3
Thu, Oct 15☀️ Clear sky-- / --—--2
Fri, Oct 16☀️ Clear sky-- / --—--—

Climate in Cardiff month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

JanFebMarAprMayJunJulAugSepOctNovDecLine: average high · Bars: rainfall
MonthAvg highAvg lowRainfallRating
January46°36°5,5 in★★☆☆☆
February49°41°6,2 in★★☆☆☆
March54°40°3,5 in★★★☆☆
April58°44°4,0 in★★★☆☆
May65°50°3,8 in★★★★☆
June68°54°3,6 in★★★★☆
July73°57°2,3 in★★★★☆
August72°57°3,0 in★★★★☆
September64°52°4,4 in★★★★☆
October59°49°5,9 in★★★☆☆
November52°43°5,2 in★★★☆☆
December50°42°6,8 in★★☆☆☆

Climate type: Temperate. Source: Open-Meteo archive (ERA5).

Weather map for Cardiff

Animated model layers. Pick a layer to load it.

Loading map…

Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.

Air quality and pollen in Cardiff

28
Good
Air quality is satisfactory for everyone.
PM2.53.6 µg/m³
PM1010.3 µg/m³
Ozone53 µg/m³
NO₂4.2 µg/m³
UV index0 · Low
Airborne hazeClear air

Pollen today

AlderNone
BirchNone
GrassNone
MugwortNone
OliveNone
RagweedNone

Pollen is modelled for Europe only; other regions show no values.

Air quality: Open-Meteo (CAMS). US AQI scale.

Sun, twilight and moon

Sunrise7:13 AM
Sunset6:50 PM
Daylight11h 37m
Solar noon1:01 PM
Golden hour (am)7:13 AM - 8:13 AM
Golden hour (pm)5:50 PM - 6:50 PM
Blue hour (am)6:43 AM - 7:13 AM
Blue hour (pm)6:50 PM - 7:20 PM
Moon phase🌖 Waning gibbous · 79%
Moonrise8:35 PM
Moonset1:55 PM

Golden and blue hour are the standard photographic approximation around sunrise and sunset.

Best time to visit Cardiff

Go in June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.

January★★☆☆☆
February★★☆☆☆
March★★★☆☆
April★★★☆☆
May★★★★☆
June★★★★☆
July★★★★☆
August★★★★☆
September★★★★☆
October★★★☆☆
November★★★☆☆
December★★☆☆☆

Explore Cardiff

Every topic we hold for this place, and the same topic for the places around it.

Weather for related places

Frequently asked questions

Where is Cardiff?

Cardiff is a city in South Wales. Its coordinates are 51.4816, -3.1791. It lies in Europe.

What is the weather like in Cardiff right now?

It is currently 57°F (14°C) with mainly clear. Humidity is 89% and wind is 4 mph.

When is the best time to visit Cardiff?

June, July and August offer the most comfortable conditions in Cardiff, which has a temperate climate. January, February and December are usually the hardest months for outdoor plans.

What time zone is Cardiff in?

Cardiff observes Europe/London (UTC+01:00). The local time is 4:57 AM.

How many people live in Cardiff?

Cardiff has a population of approximately 375.000.

What is the nearest airport to Cardiff?

The closest airports are London Heathrow Airport (LHR), 117 mi away, London Gatwick Airport (LGW), 131 mi away and Dublin Airport (DUB), 187 mi away.

What are the top things to do in Cardiff?

Popular options include Stonehenge, Avebury and Associated Sites, Stonehenge, Snowdonia National Park, River Thames, British Museum and Big Ben and the Houses of Parliament.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (cities-supported) - coordinates, hierarchy and facts.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated October 1, 2026 at 4:57 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

More from Davil Hofile