Castleton, IL 10-Day Weather Charts

24 Hour Forecast

Current Conditions - Clear. Temperature is 83°F28°C, dew point 71°F22°C, humidity 67%. Wind direction is WSW at 3 mph5 km/h with visibility of 10 mi16 km. Barometric pressure is 29.95 in1014 mb.

Rest of Today - Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 104 this afternoon... Full Forecast

Tonight - Partly cloudy in the evening, then mostly clear with a slight chance of showers and thunderstorms after midnight. Lows in the lowe.. 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