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Upper Lake, WI 7-Day Night Weather Forecast
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Upper Lake, WI Weather Forecast
Upper Lake, WI Weather Forecast Date: 802 AM CDT Sat Sep 12 2026
The area/counties/county of: Northern Marinette County, including the cities of: Niagara and Wausaukee.or toggle through each period.
Today... Partly sunny. A slight chance of showers in the morning. Highs in the upper 70s. Southwest wind 5 to 10 mph shifting to the northwest in the afternoon. Chance of rain 20%.
Tonight... Cooler. Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 40s. Light and variable wind.
Sunday... Cooler. Mostly cloudy in the morning then becoming partly cloudy. Highs in the middle 60s. Northwest wind 10 to 15 mph.
Sunday Night... Clear. Lows around 40. Light and variable wind.
Monday... Mostly sunny in the morning, then mostly cloudy with a 50% chance of showers in the afternoon. Highs in the middle 60s. Light and variable wind becoming south 10 to 15 mph in the afternoon.
Monday Night... Warmer. Showers and a chance of thunderstorms. Lows in the lower 50s. Chance of rain near 100%.
Tuesday... Mostly cloudy. Highs in the lower 70s.
Tuesday Night... Mostly clear. Lows in the upper 40s.
Wednesday... Partly sunny. Highs in the upper 60s.
Wednesday Night... Mostly cloudy with a 40% chance of showers. Lows in the upper 40s.
Thursday... Partly cloudy. Highs in the upper 60s.
Thursday Night... Mostly clear. Lows in the upper 40s. Highs in the lower 70s.
POP = Probability of Precipitation
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