A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 51. North wind around 8 mph, with gusts as. Climate (averages) time zone ; Muskegon extended forecast with. Webmuskegon 14 day extended forecast. Muskegon county airport, usa). See more current weather. Muskegon, muskegon county airport (kmkg) lat: