Portsmouth weather turns noticeably colder this week with plenty of sunshine today but brisk northerly winds making it feel chillier. Overnight frost is expected in rural areas, with temperatures dropping to 1°C tonight.
Today’s Conditions
Portsmouth weather will remain largely fine throughout Monday with abundant sunshine across the area. Temperatures will reach a maximum of 9°C during the day, though the brisk northerly winds will make it feel considerably colder, particularly in eastern parts of the city.
Early showers may clip parts of Kent, but Portsmouth weather is expected to stay dry throughout the day. The chance of precipitation remains below 5% for all hours, with wind gusts reaching up to 25mph.
Tonight’s Forecast
Portsmouth weather will turn dry, clear and cold overnight as winds become lighter. A frost is possible by morning, most likely affecting rural western areas, with temperatures falling to a minimum of 1°C. Humidity levels will range between 54% and 84%.
Week Ahead
Tuesday will see variable cloud through the morning after a chilly start, remaining mainly dry initially. Brighter conditions are expected during the afternoon before cloud and occasional rain spreads southeast towards the evening, with maximum temperatures of 8°C.
Portsmouth weather on Wednesday will see areas of rain clearing southeast with strong winds developing. Conditions will become drier and brighter on Thursday and Friday, with widespread overnight frosts expected. Thursday will remain rather breezy, whilst winds will ease by Friday.
Sunrise today occurs at 07:24 with sunset at 16:14. UV levels remain low, and visibility will range between 14km and 35km throughout the day. Air pollution levels are low, allowing residents to enjoy usual outdoor activities.


