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Rochester, IL Weather Forecast
Rochester, IL Weather Forecast Date: 937 AM CDT Sat Oct 03 2026
The area/counties/county of: Sangamon, including the city of Springfield.or toggle through each period.
Rest of Today... Sunny. Highs in the lower 70s. East winds around 5 mph.
Tonight... Mostly clear. Lows in the mid 40s. East winds around 5 mph, becoming south after midnight.
Sunday... Sunny. Highs in the upper 70s. Northwest winds around 5 mph, increasing to around 10 mph in the afternoon.
Sunday Night... Clear. Lows in the mid 40s. North winds 5 to 10 mph.
Monday... Sunny. Highs in the lower 70s. Northeast winds around 5 mph.
Monday Night... Clear. Lows in the lower 40s. Highs in the mid 70s.
Tuesday... Clear. Lows in the lower 40s. Highs in the mid 70s.
Tuesday Night... Clear. Lows in the upper 40s. Highs around 80.
Wednesday... Clear. Lows in the upper 40s. Highs around 80.
Wednesday Night... Mostly clear. Lows in the lower 50s. Highs in the lower 80s.
Thursday... Mostly clear. Lows in the lower 50s. Highs in the lower 80s.
POP = Probability of Precipitation
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