Ashippun Lake, WI 7-Day Night Weather Forecast
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Ashippun Lake, WI Weather Forecast


Ashippun Lake, WI Weather Forecast Date: 731 AM CDT Mon Aug 31 2026
The area/counties/county of: Waukesha, including the cities of: Waukesha, Brookfield, New Berlin, Menomonee Falls, and Muskego.or toggle through each period.
Today... Partly sunny. A 30% chance of light showers in the late morning and afternoon. Highs in the mid 80s. Southwest winds 10 to 15 mph.
Tonight... Mostly cloudy with a 20% chance of light showers in the evening, then partly cloudy in the late evening and overnight. Lows in the lower 70s. Southwest winds up to 10 mph.
Tuesday... Warm and humid. Partly sunny. A 20% chance of light showers and thunderstorms in the morning. Highs in the upper 80s. Southwest winds up to 10 mph. Highest heat index readings 95 to 98 in the afternoon.
Tuesday Night... Partly cloudy. Slight chance of light showers and thunderstorms through around midnight, then slight chance of light showers after midnight. Lows in the lower 70s. Southwest winds up to 5 mph. Chance of precipitation 20%.
Wednesday... Warm and humid. Partly sunny with a 20% chance of light showers. Highs in the upper 80s. Southwest winds up to 10 mph. Highest heat index readings 95 to 96 in the afternoon.
Wednesday Night... Partly cloudy with a 50% chance of light showers and thunderstorms. Lows in the upper 60s.
Thursday... Partly sunny with chance of light showers and slight chance of thunderstorms. Highs in the lower 80s. Chance of precipitation 40%.
Thursday Night... Partly cloudy with a 30% chance of light showers and thunderstorms. Lows in the upper 60s.
Friday... Partly sunny with a 20% chance of light showers and thunderstorms. Highs in the mid 80s.
Friday Night... Partly cloudy. Slight chance of light showers and thunderstorms through around midnight, then slight chance of light showers after midnight. Lows in the mid 60s. Chance of precipitation 20%.
Saturday... Partly sunny. Slight chance of light showers in the morning, then slight chance of light showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 20%.
Saturday Night... Partly cloudy. Lows in the mid 60s.
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