Weather forecast in Foster Beach (IL)

This data display current weather and forecast for the coming days in Foster Beach. In addition to temperature, wind, humidity and pressure, we include data on the probability of precipitation so you can have all the information about your destination before your trip.

Foster Beach current temperature and weather

December 17, 2025

Night
32.9°F Feels like: 25.3°F	Clear
	Wind: 11.9 mph (19.1 Km/h) SW Pressure: 29.84 inHg (1011 hPa) Humidity: 88%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0
Morning
30°F Feels like: 22.6°F	Freezing fog
	Wind: 6.5 mph (10.4 Km/h) W Pressure: 30 inHg (1016 hPa) Humidity: 98%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0.4
Day
31.3°F Feels like: 25.2°F	Freezing fog
	Wind: 2.7 mph (4.3 Km/h) S Pressure: 29.99 inHg (1016 hPa) Humidity: 98%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0.3
Evening
30.4°F Feels like: 19.8°F	Overcast
	Wind: 12.5 mph (20.2 Km/h) S Pressure: 29.91 inHg (1013 hPa) Humidity: 98%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0

Marine weather forecast Foster Beach

The graphs show wave heights and directions, as well as wind speed and direction in Foster Beach for the coming days. Click on the sea state chart for more details

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Our report for Foster Beach is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.