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Village of Ontario, WisconsinOntario, WI 7-Day Weather Forecast
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Ontario Weather Forecast
Ontario, WI Weather Forecast Date: 127 AM CDT Wed Sep 30 2026
Weather forecast for Ontario, WI
Tonight Lo: 60°F Lo: 16°C |
Tonight... Showers with a slight chance of thunderstorms. Warmer. Near steady temperature in the lower 60s. South winds 5 to 10 mph. Chance of rain 90%. |
Wed Hi: 75°FHi: 24°C Lo: 61°F Lo: 16°C |
Wednesday... Mostly cloudy. A chance of showers in the morning, then a slight chance of showers in the afternoon. Humid with highs in the mid 70s. Southwest winds around 5 mph. Chance of rain 50%. |
Thu Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Thursday... Cloudy. Showers likely in the morning. Highs in the upper 60s. North winds 5 to 10 mph. Chance of rain 70%. |
Fri Hi: 65°FHi: 18°C Lo: 41°F Lo: 5°C |
Friday... Mostly sunny. Highs in the mid 60s. |
Sat Hi: 65°FHi: 18°C Lo: 49°F Lo: 9°C |
Saturday... Partly cloudy. Lows in the lower 40s. Highs in the mid 60s. |
| Sun Hi: 61°FHi: 16°C Lo: 39°F Lo: 4°C |
Sunday... Partly cloudy. Lows in the upper 40s. Highs in the lower 60s. |
| Mon Hi: 60°FHi: 16°C Lo: 41°F Lo: 5°C |
Monday... Mostly sunny. Highs around 60. |
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