Beloit, WI 7-Day Night Weather Forecast
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Beloit, WI Weather Forecast


Beloit, WI Weather Forecast Date: 731 AM CDT Sat Aug 29 2026
The area/counties/county of: Rock, including the cities of: Janesville and Beloit.or toggle through each period.
Today... Cloudy. Slight chance of light showers in the morning, then light showers likely in the late morning and early afternoon. Chance of light showers late in the afternoon. Highs in the mid 70s. South winds 5 to 15 mph. Chance of showers 70%.
Tonight... Mostly cloudy. Slight chance of light showers through around midnight, then chance of light showers and slight chance of thunderstorms after midnight. Lows in the upper 60s. South winds 10 to 15 mph. Chance of precipitation 50%.
Sunday... Partly sunny. Chance of light showers and slight chance of thunderstorms in the morning, then slight chance of light showers late in the morning. Highs in the mid 80s. Southwest winds 10 to 15 mph. Chance of precipitation 30%.
Sunday Night... Mostly cloudy. Chance of light showers and slight chance of thunderstorms after midnight. Lows around 70. South winds 5 to 10 mph. Chance of precipitation 40%.
Monday... Warm and humid. Partly sunny. A 20% chance of light showers in the morning. Highs in the upper 80s. Southwest winds 5 to 15 mph. Highest heat index readings 95 to 96 in the afternoon.
Monday Night... Partly cloudy. A 20% chance of light showers and thunderstorms after midnight. Lows in the lower 70s.
Tuesday... Partly sunny. A 20% chance of light showers and thunderstorms in the morning. Highs in the upper 80s.
Tuesday Night... Partly cloudy with a 30% chance of light showers and thunderstorms. Lows around 70.
Wednesday... Mostly sunny. Slight chance of light showers in the morning, then slight chance of light showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 20%.
Wednesday Night... Partly cloudy with chance of light showers and slight chance of thunderstorms. Lows in the upper 60s. Chance of precipitation 40%.
Thursday... Partly sunny. A 20% chance of light showers in the morning. Highs in the mid 80s.
Thursday Night... Partly cloudy with chance of light showers and slight chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 30%.
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