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 - Wednesday 27th September 2023
You would never have guessed. There are going to be light rain showers in Cardiff today. The highest temperature will be around 19°C (but it will feel like 16°C due to the wind chill factor).
It is fairly likely to rain (roughly a 64% likelihood). Do not forget your brolly if you are going to be in the open. Humidity today will be around 85%.
The UV Index will be 1 (low). You can safely leave your sunscreen at home.
The visibility today will 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 today (noon) will be approximately 13 mph (moderate breeze), blowing south south east.
Weather Forecast Tonight - Cardiff - Wednesday 27th September 2023
It will be cloudy in Cardiff tonight. The minimum temperature at night is going to be 14°C (but it is going to feel like 12°C).
There is a good chance it will rain tonight (51% to be precise). Humidity will be around 75%.
The wind speed this evening will be approximately 18 mph (fresh breeze), blowing west south west.
Weather Forecast Tomorrow - Cardiff - Thursday 28th September 2023
Expect cloudy weather in Cardiff tomorrow. The highest temperature in the daytime is forecast to be 18°C (it will feel like 15 °C).
The odds of it pouring down tomorrow are on the low side (roughly an 16% chance). Expect humidity of approximately 63%.
The UV Index should be around 2 (low).
Visibility tomorrow should be very good.
Wind speed at noon is forecast to be 11 mph (gentle breeze). It will be blowing south south west.
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 |
---|---|---|---|---|---|---|
Wednesday 27th September - Day | Light Rain | 19 | - | 64 | 13 | 1 |
Wednesday 27th September - Night | Cloudy | - | 14 | 51 | 18 | - |
Thursday 28th September - Day | Cloudy | 18 | - | 16 | 11 | 2 |
Thursday 28th September - Night | Light Rain | - | 14 | 58 | 9 | - |
Friday 29th September - Day | Partly Cloudy | 17 | - | 5 | 13 | 3 |
Friday 29th September - Night | Partly Cloudy | - | 11 | 13 | 4 | - |
Saturday 30th September - Day | Cloudy | 17 | - | 13 | 11 | 3 |
Saturday 30th September - Night | Overcast | - | 16 | 19 | 13 | - |
Sunday 1st October - Day | Cloudy | 18 | - | 19 | 11 | 2 |
Sunday 1st October - Night | Cloudy | - | 14 | 9 | 7 | - |
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.