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ZIP 54234 · Sister Bay, Wisconsin

Current conditions and the National Weather Service 7-day forecast for ZIP code 54234, Sister Bay, Wisconsin — temperature, rain chance, wind, radar and alerts.

Saturday Aug 29 night: a low around 62°F. Sunday Aug 30: a high near 78°F and a low around 65°F. The wettest day looks like Sunday Aug 30, near 0.20 in. Highs over the period run 78°F to 83°F.

National Weather Service forecast for ZIP 54234, Sister Bay, Wisconsin
DayHighLowPrecip
Saturday Aug 2962°0.02 in
Sunday Aug 3078°65°0.20 in
Monday Aug 3182°66°0.02 in
Tuesday Sep 183°65°
Wednesday Sep 281°62°
Thursday Sep 378°60°
Friday Sep 478°62°
Saturday Sep 579°

NOAA NWS NDFD 2.5 km, run 2026-08-30 00:00 UTC · days are local time in America/Chicago. The live page updates continuously.

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