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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Southampton Wire weather desk. Data from national met services via Open-Meteo.
Southampton wakes to a grey, damp start this Thursday with light rain drifting in from the Solent, though temperatures hold steady at a mild 12°C for the city and its western suburbs.
What is the outlook for Southampton today?
The morning cloud over Southampton will thin by late morning, leaving a mix of brief sunny spells and occasional drizzly showers across the Itchen and Test valleys. A light south-westerly breeze keeps the air fresh, with highs reaching 14°C by early afternoon. Those heading to the coast or the New Forest should expect similar conditions, though the rain chance drops to around 20% after 3pm.
How does this compare to neighbouring areas?
Southampton shares the same unsettled pattern as much of the south coast today, with Bournemouth and Portsmouth seeing comparable cloud cover and temperatures. Inland towards Winchester, the cloud may break a little earlier, offering slightly brighter conditions for the late afternoon. For those planning ahead, our UK weather hub gives a broader view of the region, while the 10-day forecast suggests a gradual drying trend into the weekend.
Will it rain in Southampton this evening?
Light drizzle is possible until around 6pm, but skies should clear to mostly dry conditions by 8pm, with temperatures falling to 11°C under a light breeze from the south-west.
Is Southampton’s weather similar to weather in London today?
No, London sees a brighter, drier day with highs near 16°C and scattered sunshine, while Southampton remains cloudier and cooler due to its coastal position. Check Bristol Weather for a closer south-west comparison.
Should I expect fog on the M27 this morning?
Patchy mist is possible near the water around 7am, but it should lift quickly by 9am as the breeze strengthens, leaving standard visibility for the rest of the morning commute.