South Lyon Weather Forecast
- 52
- 87
Rain Showers
- 39
- 63
Partly Sunny
- 45
- 63
Partly Sunny
- 52
- 64
Rain Showers Likely
- 53
- 70
Slight Chance Thunderstorms
- 55
- 73
Mostly Cloudy
Today 19 May Oakland
A chance of Showers and a slight chance of Thunderstorms in the Morning, then Showers likely and a chance of Thunderstorms in the afternoon. Highs in the mid 80s. Southwest Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent. Heat index Readings heat index Values up to 90.
Tonight 19 May Oakland
Cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the lower 50s. West Winds 10 to 15 Mph, becoming northwest after midnight. Chance of rain 40 percent.
South Lyon Temperature Statistics
May Temperature
Detroit, Willow Run Airport (16.8 miles)
Lowest 2 May, 2026
34 °FAverage May
54 °FHighest 17 May, 2026
84.9 °F
Climate (2021–Present)
Detroit, Willow Run Airport (16.8 miles)
Average Low 2021–2026
42.8 °FAverage 2021–2026
52.2 °FAverage High 2021–2026
61.7 °F