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Village of New Windsor, ILNew Windsor, IL 7-Day Night Weather Forecast
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New Windsor, IL Weather Forecast
New Windsor, IL Weather Forecast Date: 616 PM CDT Fri Sep 25 2026
The area/counties/county of: Mercer, including the city of Aledo.or toggle through each period.
Tonight... Mostly cloudy. Lows in the mid 50s. East winds around 5 mph.
Saturday... Mostly cloudy. A chance of showers in the afternoon. Highs in the mid 60s. Southeast winds around 5 mph. Chance of rain 40%.
Saturday Night... Mostly cloudy. Lows in the upper 50s. Southeast winds around 5 mph.
Sunday... Partly sunny. Highs in the upper 60s. East winds around 5 mph.
Sunday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. Northeast winds around 5 mph in the evening, becoming light and variable.
Monday... Mostly sunny. Highs in the lower 70s.
Monday Night... Mostly clear. Lows in the mid 50s.
Tuesday... Mostly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40%.
Tuesday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 60s. Chance of rain 70%.
Wednesday... Showers likely. Highs in the lower 70s. Chance of rain 70%.
Wednesday Night... Showers likely, mainly in the evening. Lows in the lower 60s. Chance of rain 70%.
Thursday... Mostly cloudy with a 50% chance of showers. Highs in the lower 70s.
Thursday Night... Mostly cloudy. A chance of showers. Lows in the upper 50s. Highs in the lower 70s. Chance of rain 40%.
POP = Probability of Precipitation
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