54301 Weather (Green Bay, WI)

Weather forecast for: Green Bay WI

Last Update: 5:56 am CDT Aug 31, 2026

Today: A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 8am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Heat index values as high as 96. Southeast wind 7 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%.

Tonight: A slight chance of showers and thunderstorms between 8pm and 10pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 70. South southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.

Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 87. Heat index values as high as 93. Calm wind becoming southwest 5 to 7 mph in the afternoon.

Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy during the early evening, then becoming cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.

Wednesday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 82. Light east northeast wind.

Wednesday Night: A 20 percent chance of showers. Partly cloudy, with a low around 65.

Thursday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 79.

Thursday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.

Friday: Mostly sunny, with a high near 81.

Friday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 65.

Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.

Saturday Night: A 20 percent chance of showers. Partly cloudy, with a low around 64.

Sunday: Mostly sunny, with a high near 81.