Today in Portsmouth,the weather will deteriorate, becoming increasingly unstable. Overcast skies with storms likely in the morning, storms developing in the afternoon. Some showers in the morning, warning: violent squalls in the afternoon. Light winds.
The reliability of the situation is very good.
Temperatures will vary between 25 and 27°C, it will be warm in the afternoon.
Tonight,skies clearing but continuing risk of storms. Light showers progressively becoming less frequent. Light winds.