Friday, July 24, will see partly cloudy skies with sunny spells.
Temperatures will reach highs of 25–26C, with lows of 13–15C overnight.
Brisk winds could gust up to 30mph, especially along the seafront.
The day is expected to remain dry.
Saturday, July 25, will be cooler and cloudier, with more extensive cloud cover and fewer sunny breaks.
Temperatures will peak at 17–21C, with a noticeable breeze.
Humidity will rise, and there is a 20 per cent chance of light, scattered showers.
Sunday, July 26, will see partly cloudy skies returning with more brightness at times.
Highs may recover to 21–23C, with overnight lows of 12–14C.
A low chance of showers remains, so most outdoor plans should be fine.
Monday, July 27, will continue with scattered cloud and sunny intervals.
Temperatures will be warm but not hot, with highs of 22–24C and lows around 15C.
A moderate to strong westerly breeze typical of the Bristol Channel coast is expected.
Conditions look largely dry, providing a decent start to the working week.
Overall, the weekend in Penarth is set to be warm and mostly dry, with only a small risk of showers at times.
The weather is expected to be typical for late July.
