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Village of San Jose, ILSan Jose, IL 7-Day Night Weather Forecast
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San Jose, IL Weather Forecast
San Jose, IL Weather Forecast Date: 842 AM CDT Wed Sep 30 2026
The area/counties/county of: Mason, including the city of Havana.or toggle through each period.
Rest of Today... Cloudy with a 50% chance of showers. Highs in the upper 70s. South winds around 5 mph.
Tonight... Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 20%.
Thursday... Cloudy. A chance of showers in the morning, then showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. South winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 90%.
Thursday Night... Showers. Lows around 60. Northwest winds 5 to 10 mph, becoming north with gusts up to 20 mph after midnight. Chance of rain 90%.
Friday... Partly sunny in the morning, then clearing. Less humid with highs around 70. North winds 5 to 10 mph with gusts up to 20 mph.
Friday Night... Mostly clear. Lows in the lower 50s. Highs in the lower 70s.
Saturday... Mostly clear. Lows in the lower 50s. Highs in the lower 70s.
Sunday... Mostly clear. Lows in the lower 50s. Highs in the lower 70s.
Sunday Night... Clear. Lows in the mid 40s. Highs in the mid 60s.
Monday... Clear. Lows in the mid 40s. Highs in the mid 60s.
Monday Night... Mostly clear. Lows in the mid 40s. Highs in the upper 60s.
POP = Probability of Precipitation
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