Weather WorldBoston Lake, IL 7-Day Night Weather Forecast
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Boston Lake, IL Weather Forecast
Boston Lake, IL Weather Forecast Date: 117 PM CDT Sun Aug 23 2026
The area/counties/county of: Clinton County Il, including the cities of: Centralia and Salem.or toggle through each period.
This Afternoon... Sunny. Near steady temperature in the lower 80s. Northwest winds around 5 mph.
Tonight... Partly cloudy in the evening, then clearing. Patchy fog after midnight. Lows in the upper 50s. North winds around 5 mph in the evening, becoming light and variable.
Monday... Patchy fog in the morning. Mostly sunny. Highs in the lower 80s. Light and variable winds.
Monday Night... Mostly clear. Lows in the upper 50s. Light and variable winds.
Tuesday... Sunny. Highs in the mid 80s. East winds around 5 mph.
Tuesday Night... Partly cloudy. Lows in the mid 60s. Highs in the upper 80s.
Wednesday... Partly cloudy. Lows in the mid 60s. Highs in the upper 80s.
Wednesday Night... Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 60s. Chance of rain 40%.
Thursday... Mostly clear. Highs in the upper 80s. Lows in the mid 60s.
Friday... Mostly clear. Highs in the upper 80s. Lows in the mid 60s.
Friday Night... Partly cloudy. Lows in the mid 60s. Highs in the upper 80s.
POP = Probability of Precipitation
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