South Lyon, MI Weather Forecast
Local 7-day forecast
Smoke then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South Lyon, MI in one place.
Smoke before 9am. Sunny, with a high near 92. North wind 2 to 7 mph.
Local Weather Overview
This forecast page for South Lyon, MI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 14, 2026 8:16 PM EDT.
The active forecast window currently covers Jul 16 to Jul 21, 2026 for South Lyon, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 8:16 PM EDT
- Forecast office
- DTX
- Source
- NOAA / NWS
Daily Outlook
This Week in South Lyon
Thursday looks like the warmest upcoming period in South Lyon at 92 degrees F.
Monday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 17 mph WNW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 8:16 PM EDT
- Coverage
- 6 days
- Time zone
- America/Detroit
- Forecast office
- DTX
- Radar station
- KDTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 68. Northeast wind around 6 mph.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Showers and thunderstorms likely. Mostly sunny, with a high near 90.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 65.
Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 65.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
A chance of showers and thunderstorms. Partly cloudy, with a low around 64.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Smoke then Sunny
|
92°F |
2 to 7 mph
N
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
68°F |
6 mph
NE
|
|
Friday
Jul 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
90°F |
3 to 7 mph
SSE
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
68°F |
7 mph
SSW
|
|
Saturday
Jul 18
|
Showers And Thunderstorms Likely
|
90°F |
6 to 14 mph
WSW
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
65°F |
8 to 14 mph
NW
|
|
Sunday
Jul 19
|
Mostly Sunny
|
86°F |
9 mph
N
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms
|
65°F |
3 to 8 mph
WSW
|
|
Monday
Jul 20
|
Mostly Sunny then Chance Showers And Thunderstorms
|
87°F |
5 to 14 mph
SW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
64°F |
10 to 14 mph
W
|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms
|
82°F |
10 to 17 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Lyon.
