| NWS Forecast for: Winnebago County Issued by: National Weather Service Green Bay, WI Last Update: 249 AM CDT Wed May 20 2026 |  |
Early This Morning: Partly cloudy. Lows in the middle 40s. Northwest wind 5 to 10 mph. Today: Mostly sunny in the morning then becoming partly cloudy. Highs in the lower 60s. North wind 5 to 10 mph. Tonight: Partly cloudy. Lows in the lower 40s. East wind 10 to 15 mph. Thursday: Partly sunny. Highs in the upper 50s. East wind 10 to 15 mph. Thursday Night And Friday: Mostly cloudy. Lows in the middle 40s. Highs in the lower 60s. East wind 10 to 15 mph. Friday Night: Showers likely. Lows in the upper 40s. Chance of rain 70 percent. Saturday: Mostly cloudy with a 30 percent chance of showers. Highs in the middle 60s. Saturday Night: Mostly cloudy. Lows around 50. Sunday: Warmer. Partly sunny. Highs in the lower 70s. Sunday Night Through Tuesday: Mostly clear. Lows in the middle 50s. Highs around 80. | |
| Zone Forecast: Winnebago County | |
Visit your local NWS office at: https://www.weather.gov/grb |