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Weather in Southend-on-Sea

Live weather forecast for Southend-on-Sea, 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 Southend-on-Sea by month (1991–2020 reference, ERA5 reanalysis).

12°17°18°18°17°14°Jan67Feb37Mar61Apr41May56Jun66Jul60Aug53Sep44Oct96Nov88Dec72
Warmest monthJul · 18°C / 65°F
Coldest monthJan · 5°C / 40°F
Wettest monthOct · 96 mm
Annual avg temp12°C / 53°F
Annual rainfall741 mm

About Southend-on-Sea

Population295,310
Coordinates51.538, 0.714
Time zoneEurope/London

Live weather forecast for Southend-on-Sea

This page shows a live weather forecast for Southend-on-Sea, 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 Southend-on-Sea is Jul (18°C) and the coldest is Jan (5°C). The wettest month is Oct (about 96 mm of rainfall), while Feb is the driest. The annual average temperature is around 11.5°C, with roughly 741 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.