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Weather in Southampton

Live weather forecast for Southampton, United Kingdom: current temperature, feels-like, wind, humidity, 48-hour hourly chart, 16-day outlook, air quality, UV and sunrise/sunset.

Current weather

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Hourly forecast (48 h)

16-day forecast

Climate & monthly averages

Average temperature and rainfall in Southampton by month (1991–2020 reference, ERA5 reanalysis).

12°17°18°18°16°13°Jan74Feb50Mar82Apr53May83Jun65Jul63Aug63Sep74Oct133Nov102Dec98
Warmest monthJul · 18°C / 64°F
Coldest monthJan · 5°C / 41°F
Wettest monthOct · 133 mm
Annual avg temp12°C / 53°F
Annual rainfall940 mm

About Southampton

Population269,781
Coordinates50.904, -1.404
Time zoneEurope/London

Live weather forecast for Southampton

This page shows a live weather forecast for Southampton, United Kingdom, updated on every visit. You get the current temperature and how it feels, wind, humidity and pressure, an hourly chart for the next 48 hours, and a 16-day daily outlook with highs, lows and the chance of precipitation.

We also surface air quality (European AQI, PM2.5 and PM10), the UV index, sunrise and sunset times, and — for coastal locations — a short marine outlook. All data comes from Open-Meteo's open weather APIs and is free to use.

On average, the warmest month in Southampton is Jul (18°C) and the coldest is Jan (5°C). The wettest month is Oct (about 133 mm of rainfall), while Feb is the driest. The annual average temperature is around 11.5°C, with roughly 940 mm of precipitation per year.

FAQ

How accurate is this forecast?

Forecasts use Open-Meteo, which blends leading national weather models (such as ECMWF, GFS and ICON). Hourly accuracy is high for the next 1–3 days and decreases further out, as with any forecast.

How often does the weather update?

The forecast is fetched live from the weather API each time you open the page, so you always see the latest available model run.

Can I switch between °C and °F?

Yes — use the °C / °F toggle above the current conditions. Your choice is remembered on this device.