Weather in South Lyon, MI
Updated 2026-08-11 11:15 local time · ZIP codes 48178
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
78°10% rain
83°18% rain82°18% rain86°5% rain84°5% rain85°5% rain83°5% rain80°7% rain82°8% rain75°9% rain
72°11% rain70°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 18%).
It feels like 84°F with winds near 3 mph.
75°F, 9% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 14 mph.
Current temperature is 78°F, wind 3 mph, rain chance up to 18%.
UV index is 3.
South Lyon weather today
Sunny and 78°F in South Lyon, MI. Today's high is 86°F with a 12% rain chance. Winds are around 3 mph with gusts near 3 mph. Relative humidity is 81%, pressure is 29.94 inHg, and visibility is about 6 miles.
Tonight and tomorrow in South Lyon
Sunrise is at 06:37 AM and sunset is at 08:42 PM. Tomorrow's forecast calls for Sunny with a high near 84°F and a low near 64°F. The maximum rain chance is 17%.