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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Media Grid UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Southampton’s temperature range today falls between the low and mid-teens, with overcast skies and a modest chance of light showers. This means a fairly typical autumn day for the city, though the breeze from the Solent may make it feel a little cooler near the waterfront.
What will the weather in Southampton be like tomorrow and beyond?
The live forecast above suggests a similar pattern for the weather in Southampton tomorrow, with patchy cloud and a low risk of drizzle. Looking at the weather in Southampton 10 days ahead, a more settled spell may develop by the middle of next week. For those seeking a 14 day weather forecast Southampton, the trend points to gradual drying. For longer-range planning, a 21 day weather forecast Southampton or a Southampton weather forecast 15 days can be found via the live data, though confidence naturally decreases further out.
What is the seasonal outlook for Southampton?
Southampton weather by month follows a temperate maritime pattern: mild winters, warm summers and rain spread fairly evenly. For a broader view, Southampton weather yearly averages show roughly 800–900 mm of rainfall, with July and August as the warmest months. This makes the city a relatively mild choice year-round.
Does Southampton get a lot of rain?
Southampton receives about 800–900 mm of rain a year, which is slightly below the UK average but still means frequent light showers. Heavier bursts are more common in late autumn and winter.
What is the best time to visit Southampton for pleasant weather?
Late spring (May–June) and early autumn (September) often bring the best balance of mild temperatures and lower rainfall. July and August are warmest but can be more humid and crowded.
How windy does Southampton get?
As a coastal city, Southampton experiences moderate winds year-round, especially from the south-west. Average wind speeds range from 15–25 km/h, with occasional stronger gusts during storms.
Sources
For a broader look at conditions across the country, visit our UK weather hub. If you are planning travel, you may also find the Bristol Weather page useful for comparison.