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Village of Ontario, WisconsinOntario, WI 7-Day Night Weather Forecast
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Ontario, WI Weather Forecast
Ontario, WI Weather Forecast Date: 1202 AM CDT Sat Sep 19 2026
The area/counties/county of: Vernon, including the city of Viroqua.or toggle through each period.
Rest of Tonight... Showers with a chance of thunderstorms. Some thunderstorms May produce heavy rainfall. Locally heavy rainfall possible. Near steady temperature in the upper 50s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 100%.
Saturday... Showers with a chance of thunderstorms. Some thunderstorms May produce heavy rainfall. Highs in the upper 60s. East winds 5 to 10 mph. Chance of rain 100%.
Saturday Night... A chance of thunderstorms in the evening. Cloudy with a chance of showers. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 50%.
Sunday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 60s. Northeast winds 10 to 15 mph.
Sunday Night... Mostly cloudy. Lows in the upper 40s. Northeast winds 10 to 15 mph.
Monday... Mostly cloudy with a 40% chance of showers. Highs in the mid 60s.
Monday Night... Mostly cloudy. Lows in the mid 40s. Highs in the lower 60s.
Tuesday... Mostly cloudy. Lows in the mid 40s. Highs in the lower 60s.
Tuesday Night... Partly cloudy. Lows in the mid 40s. Highs in the upper 60s.
Wednesday... Partly cloudy. Lows in the mid 40s. Highs in the upper 60s.
Thursday... Partly sunny. Highs in the upper 60s.
Thursday Night... Partly cloudy. Lows in the upper 40s. Highs in the lower 70s.
POP = Probability of Precipitation
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