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City of Oconomowoc, WisconsinOconomowoc, WI 7-Day Night Weather Forecast
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Oconomowoc, WI Weather Forecast
Oconomowoc, WI Weather Forecast Date: 132 PM CDT Thu Sep 17 2026
The area/counties/county of: Waukesha, including the cities of: Waukesha, Brookfield, New Berlin, Menomonee Falls, and Muskego.or toggle through each period.
Rest of Today... Cloudy. Chance of sprinkles. Near steady temperature in the upper 60s. Northeast winds 5 to 10 mph.
Tonight... Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 50s. Northeast winds up to 10 mph.
Friday... Partly sunny. A 50% chance of light rain showers in the afternoon. Highs in the upper 60s. East winds 5 to 15 mph.
Friday Night... Rain showers through around midnight, then rain showers and chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation near 100%.
Saturday... Rain showers and chance of thunderstorms. Highs in the upper 60s. East winds 5 to 15 mph. Chance of precipitation near 100%.
Saturday Night... Rain showers and slight chance of thunderstorms through around midnight, then rain showers likely after midnight. Lows in the upper 50s. Chance of precipitation 80%.
Sunday... Mostly cloudy with a 50% chance of rain showers. Highs in the mid 60s.
Sunday Night... Mostly cloudy with a 40% chance of light rain showers. Lows in the mid 50s.
Monday... Mostly cloudy with a 50% chance of light rain showers. Highs in the lower 60s.
Monday Night... Mostly cloudy with a 30% chance of light rain showers. Lows in the lower 50s.
Tuesday... Mostly cloudy. A 20% chance of light rain showers in the morning. Highs around 60.
Tuesday Night... Partly cloudy. Lows in the lower 50s.
POP = Probability of Precipitation
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