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Washington, IL Weather Forecast
Washington, IL Weather Forecast Date: 222 AM CDT Fri Sep 11 2026
The area/counties/county of: Tazewell, including the city of Pekin.or toggle through each period.
Rest of Tonight... Mostly cloudy. Patchy fog. Near steady temperature in the lower 60s. East winds around 5 mph.
Friday... Patchy fog in the morning. Mostly sunny. Highs in the lower 80s. Southeast winds around 5 mph.
Friday Night... Mostly clear. Lows in the mid 60s. Southeast winds around 5 mph.
Saturday... Mostly sunny. Highs in the upper 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon.
Saturday Night... Partly cloudy. Lows in the lower 60s. North winds around 5 mph.
Sunday... Mostly sunny. Highs in the lower 80s.
Sunday Night... Mostly cloudy. Lows in the lower 60s.
Monday... Mostly sunny. Highs in the upper 80s.
Monday Night... Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows around 70. Chance of rain 30%.
Tuesday... Mostly sunny. A chance of showers in the afternoon. Highs in the mid 80s. 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 60%.
Wednesday... Showers likely, mainly in the morning. Highs in the mid 80s. Chance of rain 70%.
Wednesday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 60%.
POP = Probability of Precipitation
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