Temperatures are set to soar to as high as 20C, with the sun set to shine across the city.
‘The highest temperature recorded this year so far is 19.6C at Thorney Island.
‘Our forecast high for today in Portsmouth is 20C.’
The hot weather is set to reach its peak at 3pm this afternoon.
Clear skies have been forecast for that time, but this will shift into sunny intervals later on.
A heavy shower is also predicted for 6pm, according to the Met Office.
Light rain may last between 7pm and 9pm, but will likely dissipate later on.
Overnight, it is set to be clear, with temperatures reaching highs of 16C.
Temperatures may drop tomorrow, but the weather will still remain fairly warm.
The Met Office spokesman added: ‘Temperatures will gradually decrease through the week, returning closer to average for the time of year by the weekend.’
Warm weather, with highs of 16C, is forecasted for 1pm.
Cloudy skies may set in across the city for most of the day.
Warmer temperatures are forecasted into the night, but there is a chance of light showers from 7pm, which will continue into the early hours of Thursday morning.
For all the latest news, traffic and travel, what’s on, Pompey, sport and breaking stories visit The News’s website.
We will be bringing you all of the latest stories from across Portsmouth and surrounding area throughout the day.
If there is a story you think we should know about, you can contact us via our email [email protected] or via our social media channels – Facebook or Twitter.
Do not contact us while you are driving. To stay up to date with all the latest Portsmouth news follow us on twitter @portsmouthnews or like our Facebook page.