McHenry, IL 10-Day Weather Charts

24 Hour Forecast

Current Conditions - Overcast. Temperature is 49°F9°C, dew point 47°F8°C, humidity 92%. Wind direction is WNW at 8 mph13 km/h with visibility of 10 mi16 km. Barometric pressure is 29.99 in1016 mb.

Today - Mostly cloudy. A slight chance of showers early in the morning, then scattered showers in the late morning and early afternoon. Br.. Full Forecast

Tonight - Mostly clear. Areas of frost late. Cooler with lows in the lower 30s. North winds 10 to 15 mph with gusts up to 25 mph, diminishin.. Full Forecast

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10 Day High/Low Temp Chart

10 Day High/Low Temp Chart

10 Day POP Chart

10 Day Dew Point Chart

10 Day Dew Point Chart

10 Day Humidity Chart

10 Day UV Index Chart

10 Day Barometric Pressure Chart

10 Day Barometric Pressure Chart