Cardiff weather
At 7:15 PM local time it was clear and 10°C (51°F). Little to no rain in the next 24 hours. Best months for weather: May–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Cardiff, Wales, United Kingdom.
Current conditions
- Clouds
- 19%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Nov–Mar
About Cardiff weather
Is it raining in Cardiff right now?
No. It’s clear and 10° right now. Little to no rain in the next 24 hours.
What’s the weather like in Cardiff this week?
Over the next 7 days, expect highs of 8–14° and lows of 6–9°. Rain is likely on 2 of 7 days (Thursday, Friday). The driest day looks like Saturday.
Has it been raining in Cardiff lately?
In the past 7 days, Cardiff had 4 rainy days and 66.1 mm of rain in total.
What should I pack for Cardiff?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Cardiff weather by month
When is the best time to visit Cardiff?
Based on weather alone, the best time to visit Cardiff is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from 7°C (45°F) in January to 20°C (68°F) in July.
What is the rainiest month in Cardiff?
December is the wettest month, with about 104 mm (4.1 in) of rain on average. April is the driest, with about 56 mm (2.2 in).
What is the hottest month in Cardiff?
July is the warmest, with average highs of 20°C (68°F) and lows of 13°C (55°F). January is the coolest, with highs of 7°C (45°F) and lows of 3°C (37°F).
Does Cardiff have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is December at about 104 mm (4.1 in).
How warm is the sea in Cardiff?
The sea is warmest in August at about 20°C (68°F) and coolest in January at about 6°C (44°F). It stays cool all year.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months