Weather in Mercer, WI
Updated 2026-08-11 11:00 local time · ZIP codes 54547
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
74°2% rain82°1% rain83°1% rain84°1% rain84°1% rain84°1% rain82°1% rain79°1% rain79°1% rain71°2% rain
68°2% rain66°3% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 3%).
It feels like 77°F with winds near 2 mph.
71°F, 2% rain chance and 5 mph wind.
Visibility is around 10 mi; gusts may reach 12 mph.
Current temperature is 74°F, wind 2 mph, rain chance up to 3%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Mercer weather today
Sunny and 74°F in Mercer, WI. Today's high is 84°F with a 3% rain chance. Winds are around 2 mph with gusts near 7 mph. Relative humidity is 47%, pressure is 29.99 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Mercer
Sunrise is at 05:54 AM and sunset is at 08:16 PM. Tomorrow's forecast calls for Sunny with a high near 83°F and a low near 58°F. The maximum rain chance is 3%.