Portsmouth faces heavy showers and thunderstorms today with sunny spells between downpours. Yellow weather warning in effect as temperatures reach 21°C before conditions ease this evening with late sunshine developing across the city.
The city is experiencing a mix of sunshine and scattered showers this afternoon, with some downpours becoming particularly heavy and slow-moving. Thunderstorms are possible, especially during the remaining daylight hours, prompting meteorologists to issue a yellow weather warning for the Portsmouth area.
Temperatures peaked at 21°C earlier but are now settling around 20°C as the day progresses. Westerly winds of 12-15mph are helping to move the showers through, with gusts reaching up to 32mph at times.
The unsettled conditions will gradually ease through this evening, leading to late sunshine before sunset at 21:05. Tonight will begin dry with clear spells developing.
Tonight and Early Tuesday
Portsmouth residents can expect a predominantly dry night with clear skies initially. However, cloud will start building from the west during the early hours of Tuesday morning, though it should remain largely dry. A gentle westerly breeze will continue, with temperatures dropping to around 16°C by dawn.
Tuesday’s Outlook
Tomorrow will start with some brightness, but cloud will quickly spread across Portsmouth from the west. This will break into bright intervals mixed with scattered showers drifting in from the west. Some afternoon sunshine is expected to develop, though further showers remain possible.
Temperatures will be slightly cooler, reaching a maximum of around 21°C with westerly winds of 10-14mph.
Extended Forecast
Wednesday will see a mainly dry and bright start across Portsmouth, but afternoon showers are likely to develop with a risk of thunder. Temperatures around 20°C.
Thursday looks to bring variable cloud cover with sunny spells and the odd shower. Highs of 22°C expected.
Friday promises the best conditions of the week, with largely dry weather and plenty of sunshine. Temperatures could reach 23°C, making it feel pleasantly warm.
The next low tide at Old Portsmouth Beach (Victoria Pier) is at 14:20 today, with sunrise occurring at 05:16 and sunset at 21:05.
Pollen levels remain moderate, whilst UV levels reached 5 earlier today before dropping as cloud cover increased.
