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 · 4:54 am

17^°

Couvert

Ressenti 17°C

Humidité: 89%
Vent: 12 km/h ENE
Pression: 1023 hPa
Cloud: 100%

Indice UV

Faible

No protection needed.

Météo proche

Villes près de 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.