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Lancaster, WI Weather Forecast
Lancaster, WI Weather Forecast Date: 641 PM CDT Thu Oct 29 2026
The area/counties/county of: Grant, including the city of Platteville.or toggle through each period.
Tonight... Mostly clear. Much colder with lows in the upper 30s. Light winds.
Friday... Partly sunny in the morning, then mostly cloudy with a slight chance of rain showers in the afternoon. Highs in the mid 50s. East winds around 5 mph. Chance of rain 20%.
Friday Night... Cloudy with a 50% chance of showers. Lows in the mid 40s. East winds 5 to 10 mph.
Saturday... Showers in the morning, then a chance of showers in the afternoon. Highs in the upper 50s. Southeast winds 5 to 10 mph. Chance of rain 80%.
Saturday Night... Mostly cloudy. Lows in the upper 40s. Light winds.
Sunday... Mostly cloudy. Highs in the mid 60s. Lows in the lower 50s.
Sunday Night... Mostly cloudy. Highs in the mid 60s. Lows in the lower 50s.
Monday... Showers likely. Highs in the mid 60s. Chance of rain 70%.
Monday Night... Showers. Lows in the mid 50s. Chance of rain 80%.
Tuesday... Showers. Highs in the upper 60s. Chance of rain 80%.
Tuesday Night... Showers likely. Lows in the mid 50s. Highs in the mid 60s. Chance of rain 70%.
Wednesday... Showers likely. Lows in the mid 50s. Highs in the mid 60s. Chance of rain 70%.
Wednesday Night... Mostly cloudy with a 50% chance of showers. Lows in the mid 40s.
POP = Probability of Precipitation
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