The weather in Cardiff is always a topic of conversation. Whether you’re a local or just visiting, everyone wants to know what the weather will be like.
Here’s your weather forecast for today and tomorrow, including maximum temperatures, the chance of precipitation, and wind speeds. A 5-day forecast is also provided.
Weather Forecast Today - Cardiff - Saturday 25th March 2023
It will be overcast in Cardiff today. The highest temperature will be around 13°C (but it will feel like 11°C due to the wind chill factor).
The probability of rain today is around 17%. The humidity level today will be roughly 67%.
The UV Index will be 1 (low). You can safely leave your sunscreen at home.
Visibility today should be very good. Wind speed (noon) is estimated at 18 mph (fresh breeze). It will be blowing west.
Weather Forecast Tonight - Cardiff - Saturday 25th March 2023
There will be heavy rain in Cardiff tonight. The minimum temperature at night is going to be 7°C (but it is going to feel like 5°C).
There is a good chance it will rain tonight (97% to be precise). Humidity will be around 90%.
The wind speed this evening will be approximately 11 mph (gentle breeze), blowing south south east.
Weather Forecast Tomorrow - Cardiff - Sunday 26th March 2023
Expect cloudy weather in Cardiff tomorrow. The daytime temperature is forecast to peak at around 11°C (it will feel like 9 °C).
There is a high probability of rain (82%). Take a coat if you are planning on spending time outdoors. Humidity tomorrow is forecast to be around 76%.
The UV Index is 3 (moderate). Suncream is necessary. Stay in the shade at midday when the sun is strongest
The visibility level is expected to be good. You should be able to see places as far as 10 to 20 km away (6.2 to 12.4 miles).
The wind speed at midday should be approximately 11 mph (gentle breeze), blowing north north east.
5-Day Forecast For Cardiff
A 5-day weather forecast for Cardiff is shown in the table below.
Date | Weather Type | Day Max Temp (°C) | Night Min Temp (°C) | Chance of Rain (%) | Wind Speed (mph) | Max UV |
---|---|---|---|---|---|---|
Saturday 25th March - Day | Overcast | 13 | - | 17 | 18 | 1 |
Saturday 25th March - Night | Heavy Rain | - | 7 | 97 | 11 | - |
Sunday 26th March - Day | Cloudy | 11 | - | 82 | 11 | 3 |
Sunday 26th March - Night | Cloudy | - | 4 | 9 | 4 | - |
Monday 27th March - Day | Cloudy | 9 | - | 5 | 7 | 2 |
Monday 27th March - Night | Cloudy | - | 6 | 50 | 13 | - |
Tuesday 28th March - Day | Light Rain | 10 | - | 56 | 20 | 2 |
Tuesday 28th March - Night | Overcast | - | 9 | 19 | 9 | - |
Wednesday 29th March - Day | Light Rain | 13 | - | 63 | 16 | 2 |
Wednesday 29th March - Night | Light Rain | - | 10 | 45 | 16 | - |
Forecast - Location Details
The weather forecast for Cardiff is based on data provided by the Met Office for the location shown on the map below. The weather in other areas of Cardiff may vary slightly.

Sunrise and Sunset Times
To find out the time the sun rises and sets click here.
Weather in Other Areas of Wales
Follow the links below to find the weather outlooks in other areas of Wales:
Current conditions and forecasts for other areas of the United Kingdom (UK) can be found here.