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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Current UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above before heading out in Southampton, as the city’s coastal position means conditions can shift quickly from a mild morning to a breezy, damp afternoon. Planning around the tides and wind is key for a comfortable day here.
What is the best time of year for Southampton weather?
Late spring (May to June) and early autumn (September) offer the most reliable weather in Southampton. You get long daylight hours, average highs of 17–20°C, and lower rainfall than the summer peak. July and August are the warmest months, but they also bring the highest chance of thundery showers and crowded school-holiday streets. For a balance of warmth and fewer crowds, aim for June or September.
What should I pack for a trip to Southampton?
A waterproof jacket and a mid-layer are essential year-round, even in summer. The Solent breeze can make a 20°C day feel cooler near the waterfront. In winter (November to February), pack a warm coat, hat and gloves, as temperatures hover around 4–8°C with frequent drizzle. Comfortable walking shoes are a must for the city’s cobbled Old Town and the coastal paths.
What is the weather in Southampton tomorrow?
For a reliable view of the weather in Southampton tomorrow, refer to the live forecast above. It gives the most up-to-date temperature, wind speed and rain probability for the next 24 hours.
Is there a 14 day weather forecast for Southampton?
Yes, you can find a 14 day weather forecast for Southampton in the live data above. For a longer outlook, check the 21 day weather forecast Southampton pages, which indicate general trends rather than exact daily conditions.
What is Southampton weather like by month?
Southampton weather by month follows a typical south-coast pattern: mild winters (4–8°C), cool springs, warm summers (peaking at 21°C in July) and mild autumns. Rain is spread fairly evenly, though November tends to be the wettest. For a breakdown of yearly averages, see the Southampton weather yearly data.
Sources
For conditions across the country, visit our UK weather hub. Compare Southampton with Bristol Weather or check the 10 Day Weather Forecast UK for a national picture.