| National Weather Service Forecast for:
Waupaca County Issued by: NWS Green Bay, WI |
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| Updated: 502 PM CDT Sun Aug 30 2026 | ||||||||||||||||||
| Waupaca, WI | ||||||||||||||||||
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| Rest Of The Afternoon |
Humid. Mostly cloudy with a chance of showers and thunderstorms. Temperatures in the lower to mid 80s. Southeast wind 5 to 10 mph. |
| Tonight |
Muggy. Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows around 70. Light and variable wind. Chance of rain 20 percent. |
| Monday |
Hot and humid. Partly cloudy. Highs in the lower 90s. Southwest wind 5 to 10 mph. Heat indices to 100. |
| Monday Night |
Muggy. Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. West wind 5 to 10 mph in the evening becoming light and variable. Chance of rain 20 percent. Highest heat index readings to 98 in the evening. |
| Tuesday |
Very warm and humid. Mostly sunny in the morning then becoming partly cloudy. Highs in the upper 80s. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. |
| Tuesday Night |
Muggy. Mostly cloudy with a chance of showers. Lows in the middle 60s. Light and variable wind. Chance of rain 40 percent. |
| Wednesday |
Humid. Partly sunny. Highs in the middle 80s. |
| Wednesday Night |
Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the middle 60s. |
| Thursday |
Humid. Partly sunny. Highs in the lower 80s. |
| Thursday Night |
Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the lower 60s. |
| Friday |
Humid. Partly cloudy. Highs in the lower 80s. |
| Friday Night |
Mostly clear. Lows in the lower 60s. |
| Saturday |
Partly cloudy. Highs in the lower 80s. |
| Saturday Night |
Mostly clear. Lows in the lower 60s. |
| Sunday |
Partly cloudy. Highs in the lower 80s. |
Forecast from NOAA-NWS for Waupaca County. (Zone forecast)