Cardiff weather today: Sunny intervals, 22°C max, high humidity expected

Cardiff, 22 September 2026Residents of Cardiff can expect a day of pleasant weather with sunny intervals and mild temperatures. The day will begin with a comfortable average temperature, gradually increasing towards a pleasant maximum before cooling down in the evening. Humidity levels are expected to be high, contributing to the overall mild feel of the day.Cardiff Weather TodayToday, September 22, 2026, Cardiff will experience sunny intervals, offering a generally bright start to the day. The maximum temperature is forecast to reach 22°C, providing a comfortable warmth. As the day progresses, the temperature will decrease, with a minimum of 15°C expected. The average temperature for the day is anticipated to be around 18.5°C. Humidity levels will be notably high, reaching 96%, which may make the air feel a bit close despite the mild temperatures. There is a very low chance of rain, with the daily chance of precipitation being less than 5%, suggesting a dry day for most outdoor activities. Wind speeds are expected to be moderate, with a maximum of 16.09 kph, ensuring a gentle breeze rather than strong gusts.Plan your day with confidenceWith sunny intervals and mild temperatures, today is ideal for outdoor activities. The low chance of rain means you can leave your umbrella at home, but the high humidity might make it feel warmer than the thermometer suggests, so staying hydrated is advisable. The gentle breeze will add to the comfort, making it a pleasant day for a walk in the park or any planned excursions. Evening activities should also be enjoyable as the temperature cools down slightly but remains mild.Cardiff Weather for Upcoming 7 DaysDateMax Temp (°C)Min Temp (°C)Avg Temp (°C)Condition2026-09-22221518.5Sunny intervals2026-09-2320914.5Sunny intervals2026-09-24211116.0Sunny2026-09-25211216.5Sunny intervals2026-09-26201316.5Sunny intervals2026-09-27191416.5Heavy showers2026-09-28201517.5Sunny intervalsLooking ahead, the weather in Cardiff is set to remain largely pleasant for the next few days, with a mix of sunny intervals and sunny spells. Temperatures will generally hover in the low 20s Celsius for maximums, with overnight lows dipping into the single digits by mid-week before rising again. A notable change is expected towards the end of the week, with heavy showers predicted for September 27th, which may disrupt outdoor plans. Following the showers, conditions are expected to return to sunny intervals with mild temperatures. The warmest day appears to be today, September 22nd, with a high of 22°C. The coolest night is forecast for September 23rd, with a low of 9°C.Source: Data referenced in this article is taken from the latest World News and Live updates. Download the TOI app.