Weather in Grass Lake, MI
Updated 2026-08-11 13:00 local time · ZIP codes 49240
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
-1766°7% rain87°5% rain
83°13% rain83°18% rain82°15% rain79°22% rain78°5% rain76°6% rain
72°7% rain70°10% rain69°12% rain68°11% 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 22%).
It feels like -2012°F with winds near 3 mph.
76°F, 6% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 13 mph.
Current temperature is -1766°F, wind 3 mph, rain chance up to 22%.
UV index is 2.
Grass Lake weather today
Sunny and -1766°F in Grass Lake, MI. Today's high is 87°F with a 23% rain chance. Winds are around 3 mph with gusts near 4 mph. Relative humidity is 73%, pressure is 29.88 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Grass Lake
Sunrise is at 06:39 AM and sunset is at 08:43 PM. Tomorrow's forecast calls for Sunny with a high near 83°F and a low near 62°F. The maximum rain chance is 17%.