Weather in Sparta, WI
Updated 2026-08-11 11:00 local time · ZIP codes 54656
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
73°20% rain
79°12% rain80°11% rain
82°8% rain85°5% rain86°5% rain85°4% rain84°4% rain82°6% rain78°7% rain
76°9% rain74°10% 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 20%).
It feels like 77°F with winds near 4 mph.
78°F, 7% rain chance and 1 mph wind.
Visibility is around 10 mi; gusts may reach 9 mph.
Current temperature is 73°F, wind 4 mph, rain chance up to 20%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Sparta weather today
Cloudy and 73°F in Sparta, WI. Today's high is 86°F with a 43% rain chance. Winds are around 4 mph with gusts near 4 mph. Relative humidity is 88%, pressure is 29.88 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Sparta
Sunrise is at 06:02 AM and sunset is at 08:13 PM. Tomorrow's forecast calls for Sunny with a high near 92°F and a low near 65°F. The maximum rain chance is 36%.