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Rock Lake, WI Weather Forecast
Rock Lake, WI Weather Forecast Date: 217 PM CDT Sun Aug 23 2026
The area/counties/county of: Northern Marinette County, including the cities of: Niagara and Wausaukee.or toggle through each period.
Rest Of The Afternoon... Partly sunny. Temperatures in the upper 60s. North wind 10 to 15 mph.
Tonight... Clear. Lows in the lower 40s. North wind 5 to 10 mph in the evening becoming light and variable.
Monday... Warmer. Mostly sunny. Patchy fog in the morning. Highs in the upper 70s. Northwest wind 5 to 10 mph.
Monday Night... Partly cloudy. Lows in the upper 40s. Light and variable wind.
Tuesday... Mostly sunny in the morning then becoming partly cloudy. Highs in the lower 80s. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night... Warmer. Showers and a chance of thunderstorms. Lows around 60. South wind 5 to 10 mph. Chance of rain 80%.
Wednesday... Showers and a chance of thunderstorms. Highs around 80. Chance of rain 80%.
Wednesday Night... Mostly clear. Lows in the upper 50s. Highs in the upper 70s.
Thursday... Mostly clear. Lows in the upper 50s. Highs in the upper 70s.
Thursday Night... Mostly clear. Lows around 50. Highs in the upper 70s.
Friday... Mostly clear. Lows around 50. Highs in the upper 70s.
Friday Night... Partly cloudy. Lows around 50. Highs in the upper 70s.
Saturday... Partly cloudy. Lows around 50. Highs in the upper 70s.
Saturday Night... Partly cloudy with a 40% chance of showers. Lows in the middle 50s.
POP = Probability of Precipitation
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