Green Bay, Wisconsin – A chilly start to Memorial Day will give way to sunshine across northeast Wisconsin, but don’t stash the jackets just yet—patchy frost and midweek rain are set to return. A Frost Advisory remains in effect for north-central Wisconsin until 8 a.m. Monday, with temperatures expected to dip near freezing in rural areas.
According to the National Weather Service in Green Bay, patchy frost could return late Monday night into early Tuesday morning across interior sections of northern Wisconsin. Meanwhile, Memorial Day itself will be mostly sunny and mild, with highs around 68°F in Green Bay and nearby communities. Winds will remain calm, making it ideal for outdoor plans—until the pattern shifts midweek.
By Tuesday night, moisture increases ahead of a new system, with showers likely after midnight. The chance of rain continues through Wednesday, with highs only reaching the upper 50s—well below average for early summer. Roads like Highway 41 and I-43 could see reduced visibility and wet pavement by Wednesday morning.
Five-Day Outlook:
- Monday [Memorial Day] – Sunny and mild, high near 68°F.
- Tuesday – Mostly cloudy, high around 67°F.
- Tuesday Night – 60% chance of rain, lows in the low 50s.
- Wednesday – Showers likely, high near 58°F.
- Thursday – Partly sunny, rebound to 68°F.
- Friday – Mostly sunny, warming to 73°F.
