Weather WorldOconomowoc Lake, WI 7-Day Night Weather Forecast
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Oconomowoc Lake, WI Weather Forecast
Oconomowoc Lake, WI Weather Forecast Date: 430 AM CDT Sun Aug 23 2026
The area/counties/county of: Waukesha, including the cities of: Waukesha, Brookfield, New Berlin, Menomonee Falls, and Muskego.or toggle through each period.
Early This Morning... Clear. Northwest winds up to 5 mph.
Today... Sunny in the morning then becoming mostly sunny. Highs in the mid 70s. Northwest winds 5 to 15 mph.
Tonight... Mostly clear. Lows in the lower 50s. Northwest winds up to 5 mph through around midnight becoming calm.
Monday... Sunny. Highs in the upper 70s. Northwest winds up to 5 mph.
Monday Night... Mostly clear. Lows in the mid 50s. West winds up to 5 mph.
Tuesday... Mostly sunny. Highs in the lower 80s. Southwest winds up to 10 mph.
Tuesday Night... Partly cloudy. Chance of light showers and slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 30%.
Wednesday... Partly sunny. Slight chance of light showers and thunderstorms in the morning, then light showers likely and chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 60%.
Wednesday Night... Mostly clear. A 20% chance of light showers through around midnight. Lows in the lower 60s.
Thursday... Mostly sunny. Highs around 80.
Thursday Night... Mostly clear. Lows around 60.
Friday... Mostly sunny. Highs in the upper 70s.
Friday Night... Partly cloudy. Lows in the upper 50s.
POP = Probability of Precipitation
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