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

February 19, 2026

Night
39.9°F Feels like: 36.3°F	Clear
	Wind: 3.6 mph (5.8 Km/h) SW Pressure: 29.66 inHg (1004 hPa) Humidity: 69%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0
Morning
38.1°F Feels like: 32.2°F	Sunny
	Wind: 6 mph (9.7 Km/h) NE Pressure: 29.66 inHg (1004 hPa) Humidity: 85%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 1
Day
47.3°F Feels like: 43.9°F	Overcast
	Wind: 5.4 mph (8.6 Km/h) NE Pressure: 29.52 inHg (1000 hPa) Humidity: 93%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0.7
Evening
43.3°F Feels like: 40.6°F	Mist
	Wind: 3.8 mph (6.1 Km/h) E Pressure: 29.47 inHg (998 hPa) Humidity: 97%	Precip. prob.: 0% Visibility: 1 mi (2 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.