Today 23 Sep London and South East England
A dull start for most with low cloud and outbreaks of rain or drizzle. Brightening up through the day as the rain eases and the cloud breaks. Some sunny spells are possible through the afternoon. Feeling warm in the sunshine. Maximum Temperature 20C.
Tonight 23 Sep London and South East England
Cloud will continue to break overnight allowing some long clear spells and an odd mist patch to develop. Most places will have a mild night in light southerly winds. Minimum Temperature 11C.
Portsmouth Temperature Statistics
Thorney Island (6.8 miles)
Lowest 22 September, 20176.1 °C
Average September13.8 °C
Highest 1 September, 201720.3 °C
Thorney Island (6.8 miles)Take a look at our website widgetsAvailable free! Find Out More
Average Low 2011–Present8.5 °C
Average 2011–Present11.4 °C
Average High 2011–Present14.1 °C