Weather in Sparta, WI
Updated 2026-09-26 11:45 local time · ZIP codes 54656
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
61°11% rain65°10% rain67°10% rain67°10% rain66°10% rain64°11% rain63°13% rain
62°14% rain62°15% rain60°18% rain58°21% rain59°20% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 21%).
It feels like 53°F with winds near 10 mph.
67°F, 10% rain chance and 10 mph wind.
Visibility is around 6 mi; gusts may reach 15 mph.
Current temperature is 61°F, wind 10 mph, rain chance up to 21%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Sparta
Wisconsin has warm summers, cold winters and strong Great Lakes influence near Lakes Michigan and Superior. Lake-effect snow can be important in favored areas.
Sparta is part of the Midwest weather region. The forecast point is near 43.94°N latitude and 90.81°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Sparta weather today
Overcast and 61°F in Sparta, WI. Today's high is 67°F with a 15% rain chance. Winds are around 10 mph with gusts near 15 mph. Relative humidity is 46%, pressure is 30.20 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Sparta
Sunrise is at 06:55 AM and sunset is at 06:53 PM. Tomorrow's forecast calls for Overcast with a high near 65°F and a low near 57°F. The maximum rain chance is 11%.