How accurate is the forecast for Winthrop Harbor?

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

Winthrop Harbor US

July 12, 2026 · 12:45 am

25^°

Clear sky

Feels like 28°C

Humidity: 72%
Wind: 6 km/h SSE
Pressure: 1020 hPa
Cloud: 0%

Today · July 12, 2026

Partly cloudy

27°C · 19°C

Rain: 0 mm · UV: 7.45 · Wind: 16 km/h

Nearby weather

Cities near Winthrop Harbor

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

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