How accurate is the forecast for Harwich?

Forecasts are pulled from leading meteorological models and refreshed automatically every 30 minutes. Short-range accuracy (next 24 hours) is typically within 1–2°C and 80–90% for precipitation.

How often is the data updated?

Current conditions and the hourly outlook refresh every 30 minutes; daily forecasts every hour.

What does the air-quality (AQI) value mean?

We display the European AQI on a scale from Good (0–20) to Extremely poor (>100), blending PM2.5, PM10, NO₂ and O₃.

Clima Map

Harwich GB

June 23, 2026 · 4:24 am

17^°

Moderate drizzle

Feels like 17°C

Humidity: 90%
Wind: 13 km/h NE
Pressure: 1023 hPa
Cloud: 99%

7-day forecast

June 23, 2026 Moderate drizzle 67% 24°C / 17°C June 24, 2026 Clear sky 0% 29°C / 19°C June 25, 2026 Clear sky 0% 24°C / 18°C June 26, 2026 Thunderstorm 2% 30°C / 23°C June 27, 2026 Moderate drizzle 24% 31°C / 20°C June 28, 2026 Dense drizzle 27% 26°C / 20°C June 29, 2026 Partly cloudy 10% 23°C / 16°C

Nearby weather

Cities near Harwich

Compare weather conditions in surrounding cities and open any local forecast instantly.

5.2 km Felixstowe GB View forecast 10.5 km Walton-on-the-Naze GB View forecast 12.7 km Frinton-on-Sea GB View forecast 13.8 km Kesgrave GB View forecast 15.3 km Manningtree GB View forecast 15.7 km Ipswich GB View forecast 17 km Woodbridge GB View forecast 19.1 km Clacton-on-Sea GB View forecast

Weather notice Forecasts are for general planning. During severe weather, follow official alerts and local authority instructions.