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Oconomowoc Lake, WI 7-Day Weather Forecast
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Oconomowoc Lake Weather Forecast
Oconomowoc Lake, WI Weather Forecast Date: 131 PM CDT Mon Aug 31 2026
Weather forecast for Oconomowoc Lake, WI
Today Hi: 85°FHi: 29°C Lo: 70°F Lo: 21°C |
Rest of Today... Warm and humid. Partly sunny with chance of light showers and slight chance of thunderstorms. Near steady temperature in the mid 80s. Southwest winds 10 to 15 mph. Chance of precipitation 40%. Highest heat index readings around 95 late in the afternoon. |
Tue Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Tuesday... Warm and humid. Partly sunny. Patchy fog in the morning. Highs in the upper 80s. Southwest winds up to 10 mph. Highest heat index readings 95 to 98 in the afternoon. |
Wed Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Wednesday... Warm and humid. Mostly sunny. Highs in the upper 80s. Southwest winds up to 10 mph. Highest heat index readings 95 to 100 in the afternoon. |
| Thu Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
Thursday... Partly sunny. Light showers likely and chance of thunderstorms in the morning, then slight chance of light showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 60%. |
| Fri Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
Friday... Partly sunny with a 40% chance of light showers and thunderstorms. Highs in the mid 80s. |
Sat Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Saturday... Partly sunny. A 20% chance of light showers in the morning. Highs in the lower 80s. |
| Sun Hi: 80°FHi: 27°C |
Sunday... Partly sunny. A 20% chance of light showers in the morning. Highs around 80. |
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