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Portage Muni, WI 7-Day Night Weather Forecast
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Portage Muni, WI Weather Forecast
Portage Muni, WI Weather Forecast Date: 1031 PM CDT Sat Aug 29 2026
The area/counties/county of: Columbia, including the cities of: Portage, Columbus, Lake Wisconsin, and Lodi.or toggle through each period.
Tonight... Warmer. Partly cloudy in the evening then becoming mostly cloudy. A 30% chance of light showers and thunderstorms. Lows in the upper 60s. South winds 5 to 10 mph.
Sunday... Mostly cloudy. A 20% chance of light showers and thunderstorms in the late morning and afternoon. Highs in the lower 80s. Southwest winds 5 to 15 mph.
Sunday Night... Mostly cloudy. Slight chance of light showers and thunderstorms in the evening. Chance of light showers and thunderstorms after midnight. Lows in the lower 70s. South winds 5 to 10 mph. Chance of precipitation 40%.
Monday... Warm and humid. Partly sunny. Chance of light showers and slight chance of thunderstorms in the morning. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of precipitation 30%. Highest heat index readings 95 to 97 in the afternoon.
Monday Night... Partly cloudy through around midnight, then mostly cloudy with a 20% chance of light showers and thunderstorms after midnight. Lows in the lower 70s. Southwest winds up to 5 mph.
Tuesday... Partly sunny. A 20% chance of light showers and thunderstorms in the morning. Highs in the upper 80s.
Tuesday Night... Partly cloudy with chance of light showers and slight chance of thunderstorms. Lows around 70. Chance of precipitation 30%.
Wednesday... Partly sunny with a 20% chance of light showers and thunderstorms. Highs in the upper 80s.
Wednesday Night... Partly cloudy. Slight chance of light showers and thunderstorms through around midnight, then slight chance of light showers after midnight. Lows in the mid 60s. Chance of precipitation 20%.
Thursday... Partly sunny. A 20% chance of light showers in the morning. Highs in the lower 80s.
Thursday Night... Partly cloudy. Slight chance of light showers through around midnight, then chance of light showers and slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 40%.
Friday... Partly sunny. A 20% chance of light showers and thunderstorms in the morning. Highs in the lower 80s.
Friday Night... Partly cloudy. Lows in the mid 60s.
POP = Probability of Precipitation
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