Southampton Weather | Regional Report

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By Sophie Kendall, Culture & Communities EditorReviewed by Oliver ReevesForecast data: Open-Meteo & national met services

Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Regional Report weather desk. Data from national met services via Open-Meteo.

☀️20°C

Clear skySouthamptonFeels like 20° · Wind 11 km/h · Humidity 82%

UV 4 ModerateSunrise 05:19Sunset 21:05

Today☁️24°18°💧20%

Fri☁️27°17°💧0%

Sat⛅28°16°💧8%

Sun🌦️25°17°💧14%

Mon🌤️25°13°💧4%

Tue⛅27°15°💧12%

Wed⛅28°17°💧10%

Live data from Open-Meteo · updates automatically ·

The live forecast above shows Southampton’s conditions right now; this page gives you the practical details you need for the coming days, from tomorrow’s outlook to longer-range trends and seasonal averages.

What does the forecast mean for the next few days?

The live forecast is your best guide for the immediate outlook. For weather in Southampton tomorrow, check the “Tomorrow” tab — it shows expected highs, lows and any rain risk. For a wider view, the “10 day” tab gives you weather in Southampton 10 days ahead, while the 14 day weather forecast Southampton and 21 day weather forecast Southampton are available from the extended forecast link further down.

What are Southampton’s typical seasonal patterns?

Southampton’s climate is mild and maritime, with modest temperature swings through the year. The southampton weather by month shows winter lows around 2–4°C and summer highs rarely exceeding 22°C. The southampton weather yearly average rainfall sits near 800 mm, with October to January being the wettest months.

LocationSouth coast, Solent estuary

Average high (July)22°C

Average low (January)2°C

Annual rainfall~800 mm

Is the 15-day forecast reliable for Southampton?

Beyond 10 days, confidence decreases. The southampton weather forecast 15 days gives a broad trend (e.g. unsettled or settled), but day-to-day detail may shift. Check the live forecast for the most recent updates.

Does Southampton get much fog?

Yes, especially in autumn and winter when moist air from the Solent meets cooler land. Fog can linger near the waterfront and the M27 corridor, so check visibility forecasts if driving.

When is the best time to visit for dry weather?

Late spring (May–June) and early autumn (September) offer the best balance of mild temperatures and lower rainfall. July and August are warmest but can bring thundery showers.