| National Weather Service Forecast for:
Waupaca County Issued by: NWS Green Bay, WI |
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| Updated: 1242 PM CDT Mon Aug 31 2026 | ||||||||||||||||||
| Waupaca, WI | ||||||||||||||||||
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| This Afternoon |
Hot and humid. Partly sunny. Highs in the lower 90s. Southwest wind 5 to 10 mph. Heat indices to 98. |
| Tonight |
Muggy. Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Patchy fog after midnight. Lows in the upper 60s. Light and variable wind. Chance of rain 40 percent. Highest heat index readings to 96 in the evening. |
| Tuesday |
Very warm and humid. Partly sunny. Patchy fog in the morning. Highs in the upper 80s. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. |
| Tuesday Night |
Muggy. Mostly cloudy. A 50 percent chance of showers and thunderstorms after midnight. Lows in the upper 60s. Light and variable wind. |
| Wednesday |
Humid. Mostly cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Highs in the middle 80s. Light and variable wind. Chance of rain 50 percent. |
| Wednesday Night |
Partly cloudy with a 40 percent chance of showers. Lows in the lower 60s. |
| Thursday |
Humid. Partly sunny with a 30 percent chance of showers. Highs in the lower 80s. |
| Thursday Night |
Partly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 30 percent. |
| Friday |
Humid. Partly sunny. Highs in the lower 80s. |
| Friday Night |
Mostly clear. Lows in the middle 60s. |
| Saturday |
Humid. Partly cloudy. Highs in the middle 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)