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Upper Spring Lake, WI 7-Day Night Weather Forecast
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Upper Spring Lake, WI Weather Forecast
Upper Spring Lake, WI Weather Forecast Date: 731 PM CDT Wed Sep 09 2026
The area/counties/county of: Jefferson, including the cities of: Watertown, Fort Atkinson, and Jefferson.or toggle through each period.
Tonight... Cooler. Clear through around midnight then becoming partly cloudy. Lows in the upper 50s. West winds up to 10 mph.
Thursday... Partly sunny until late afternoon then clearing. Highs in the upper 70s. Northwest winds up to 5 mph.
Thursday Night... Clear. Lows in the mid 50s. Southeast winds up to 5 mph.
Friday... Sunny. Highs in the upper 70s. South winds 5 to 10 mph.
Friday Night... Partly cloudy. Lows around 60. South winds 5 to 10 mph.
Saturday... Partly sunny with chance of light showers and slight chance of thunderstorms. Highs around 80. Chance of precipitation 30%.
Saturday Night... Partly cloudy. Lows in the mid 50s.
Sunday... Partly sunny. Highs in the mid 70s.
Sunday Night... Mostly cloudy through around midnight then becoming partly cloudy. Chance of light showers and slight chance of thunderstorms. Lows around 60. Chance of precipitation 50%.
Monday... Mostly cloudy. Light showers likely in the morning, then showers likely and chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 70%.
Monday Night... Showers likely and chance of thunderstorms. Lows in the lower 60s. Chance of precipitation 70%.
Tuesday... Mostly cloudy with a 20% chance of light showers. Highs in the mid 70s.
Tuesday Night... Mostly cloudy through around midnight, then partly cloudy with a 20% chance of light rain showers after midnight. Lows in the mid 50s.
POP = Probability of Precipitation
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