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Weather in Cardiff Today

Cardiff Weather Forecast – Live 24-Hour Bristol Channel Waterfront Tracker

Stay ahead of changing weather patterns with the most accurate tracking for the weather in Cardiff today on WeatherTomorrow.pk. Whether you are managing port logistics at the Cardiff Docks, walking along the scenic Cardiff Bay, commuting past the Principality Stadium, or organizing commercial distribution across South Wales, our live dashboard tracks essential weather shifts across the Welsh capital.

Cardiff’s geographic position along the coastal fringe of the Bristol Channel makes it prone to high moisture variations, maritime humidity waves, and shifting sea winds. Use our integrated interactive dashboard below to track real-time temperatures, wind speeds, humidity indices, and localized alerts:

 

Cardiff

Cardiff, United Kingdom
19°
Partly Cloudy
Partly Cloudy
Feels Like 16°
Humidity 54%
Wind 16 km/h
Wind Direction WSW (253°)
Pressure 1025 mb
Visibility 10 km
UV Index 4.7
Cloud Cover 53%

Hourly Forecast

12:00 AM
Overcast
12°
Overcast
💧 84% 🌧 26% 💨 13.7 km/h
1:00 AM
Overcast
12°
Overcast
💧 86% 🌧 27% 💨 12.6 km/h
2:00 AM
Overcast
12°
Overcast
💧 90% 🌧 29% 💨 11.9 km/h
3:00 AM
Overcast
11°
Overcast
💧 91% 🌧 31% 💨 13.3 km/h
4:00 AM
Overcast
12°
Overcast
💧 88% 🌧 28% 💨 15.1 km/h
5:00 AM
Overcast
11°
Overcast
💧 91% 🌧 30% 💨 11.9 km/h
6:00 AM
Overcast
10°
Overcast
💧 93% 🌧 32% 💨 9.7 km/h
7:00 AM
Cloudy
10°
Cloudy
💧 94% 🌧 24% 💨 7.6 km/h
8:00 AM
Sunny
12°
Sunny
💧 86% 🌧 13% 💨 6.5 km/h
9:00 AM
Overcast
14°
Overcast
💧 76% 🌧 20% 💨 7.9 km/h
10:00 AM
Overcast
16°
Overcast
💧 68% 🌧 16% 💨 10.1 km/h
11:00 AM
Overcast
17°
Overcast
💧 62% 🌧 15% 💨 10.8 km/h
12:00 PM
Sunny
18°
Sunny
💧 58% 🌧 3% 💨 13 km/h
1:00 PM
Sunny
19°
Sunny
💧 56% 🌧 4% 💨 15.1 km/h
2:00 PM
Partly Cloudy
19°
Partly Cloudy
💧 54% 🌧 6% 💨 15.8 km/h
3:00 PM
Partly Cloudy
19°
Partly Cloudy
💧 53% 🌧 5% 💨 16.6 km/h
4:00 PM
Cloudy
19°
Cloudy
💧 54% 🌧 8% 💨 17.6 km/h
5:00 PM
Partly Cloudy
18°
Partly Cloudy
💧 55% 🌧 6% 💨 17.6 km/h
6:00 PM
Sunny
17°
Sunny
💧 59% 🌧 4% 💨 14 km/h
7:00 PM
Cloudy
16°
Cloudy
💧 69% 🌧 13% 💨 8.6 km/h
8:00 PM
Partly Cloudy
14°
Partly Cloudy
💧 76% 🌧 14% 💨 6.1 km/h
9:00 PM
Cloudy
13°
Cloudy
💧 78% 🌧 20% 💨 4 km/h
10:00 PM
Cloudy
13°
Cloudy
💧 76% 🌧 18% 💨 3.6 km/h
11:00 PM
Overcast
14°
Overcast
💧 75% 🌧 21% 💨 3.6 km/h

📈 Weather Trends

Temperature

Chance of Rain

Wind Speed

Humidity

3-Day Forecast

Saturday
2026-09-05
Overcast
19° / 10°
🌧 14%
💨 17.6 km/h
💧 74%
☀ UV 4.9
Sunday
2026-09-06
Overcast
24° / 13°
🌧 12%
💨 19.8 km/h
💧 67%
☀ UV 4.6
Monday
2026-09-07
Overcast
19° / 15°
🌧 39%
💨 28.1 km/h
💧 78%
☀ UV 3.7

🌿 Air Quality

US EPA Index
1
Good
Air quality is satisfactory and poses little or no health risk.
Air Quality Level
1 Good Low risk ● Current
2 Moderate Acceptable
3 Sensitive Sensitive groups
4 Unhealthy Everyone
5 Very Unhealthy Increased risk
6 Hazardous Emergency
US EPA Index 1
UK DEFRA Index 1
PM2.5 4.5 µg/m³
PM10 11.9 µg/m³
CO 155 µg/m³
O₃ 76 µg/m³
NO₂ 1.9 µg/m³
SO₂ 0.5 µg/m³
AQI categories are based on the US EPA air quality index supplied by the weather provider.

Sun & Moon

🌅
Sunrise
06:32 AM
🌇
Sunset
07:50 PM
🌙
Moonrise
11:24 PM
🌘
Moonset
04:41 PM
🌕
Moon Phase
Waning Crescent
Illumination
43%

Cardiff Weather Today – Live 24-Hour Maritime Trends & Graphs

Before planning your outdoor commercial routines, coastal travel loops, or daily commutes across South Wales, checking the live weather in cardiff today gives you a decisive advantage. Our platform features an intuitive, rolling 24-hour hourly forecast timeline. Because warm oceanic air masses can trigger sudden coastal downpours or rapid humidity spikes unexpectedly, relying on flat daily numbers can leave your plans exposed to intense storm waves.

Our localized city tracker updates continuously to provide real-time updates for critical environmental indicators:

  • Interactive Trend Charts: Deep-dive into active, visual graphs detailing shifting percentages for Chance of Rain, Wind Speed velocities, and dynamic Humidity levels over a rolling 24-hour period.
  • South Wales Thermal Profiles: Monitor precise ambient mercury readings alongside the actual calculated “feels-like” temperature index, which balances comfortably due to ocean air insulation.
  • Astronomical Intervals: Access high-precision daily schedules tracking exact sunrise, sunset, moonrise, and moonset times.

Understanding Cardiff’s Climate: Mild Windy Summers & Wet Maritime Winters

Cardiff features a maritime oceanic climate characterized by warm, breezy summers and mild, highly wet winters. The city ranks among the wettest capitals in Europe due to its direct exposure to western moisture tracks. Summers (June to August) are pleasant with maximum temperatures hovering comfortably around 21°C to 24°C, though ocean breezes prevent extreme heat waves.

The primary concern for South Wales is the intense winter transition window from November to March. Low-pressure marine depressions moving off the Atlantic hit the Bristol Channel directly, dropping torrential, concentrated rainfall within short windows and causing rapid stormwater accumulation. Winters are cool and wet, featuring persistent morning fog layers over the shipping channels that drivers must monitor closely via our live alerts.

Advanced South Wales Air Quality & Environmental Monitoring

Your respiratory safety matters. WeatherTomorrow.pk integrates live air quality monitoring data directly inside our Cardiff tracker. Our panel tracks detailed pollutant metrics including fine particulate matter (PM2.5 and PM10), Nitrogen Dioxide (NO2), Sulfur Dioxide (SO2), Carbon Monoxide (CO), and Ozone (O3) concentrations, allowing families and port managers to verify air cleanliness accurately in real time.

Frequently Asked Questions (FAQs)

Does Cardiff experience severe sub-zero winters?

No. Due to its direct maritime exposure along the Bristol Channel, Cardiff’s winter temperatures are insulated by warm ocean currents, keeping values relatively mild compared to inland UK locations, though relative humidity remains exceptionally high.

Where can I check active coastal storm warnings or gale-force wind alerts for Cardiff?

Any active marine alerts, heavy rainfall warnings, or gale-force wind advisories will display instantly at the very top of this page for public safety.