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City of Pontiac, ILPontiac, IL 7-Day Night Weather Forecast
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Pontiac, IL Weather Forecast
Pontiac, IL Weather Forecast Date: 121 PM CDT Thu Oct 22 2026
The area/counties/county of: Livingston, including the cities of: Pontiac, Dwight, and Fairbury.or toggle through each period.
This Afternoon... Sunny. Highs in the upper 70s. Light and variable winds.
Tonight... Clear. Lows in the mid 40s. East winds around 5 mph.
Friday... Sunny. Highs in the mid 70s. Southeast winds around 5 mph.
Friday Night... Mostly clear. Lows in the mid 40s. Southeast winds around 5 mph.
Saturday... Partly cloudy. Highs in the mid 70s. South winds 5 to 10 mph.
Saturday Night... Partly cloudy. Lows in the upper 40s.
Sunday... Partly cloudy. Highs in the upper 70s.
Sunday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows around 50.
Monday... Mostly cloudy. Highs in the mid 70s.
Monday Night... Mostly cloudy. Lows in the upper 40s.
Tuesday... Mostly cloudy. Highs in the upper 60s.
Tuesday Night... Mostly cloudy. Lows in the mid 40s.
POP = Probability of Precipitation
Pontiac Radar Loop
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