South Lyon, MI Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South Lyon, MI in one place.
Partly sunny. High near 78, with temperatures falling to around 76 in the afternoon. Northeast wind around 9 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: Jun 1, 2026 7:03 PM EDT.
The active forecast window currently covers Jun 1 to Jun 7, 2026 for South Lyon, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 1 to Jun 7, 2026
- Latest sync
- Jun 1, 2026 7:03 PM EDT
- Forecast office
- DTX
- Source
- NOAA / NWS
Daily Outlook
This Week in South Lyon
Friday looks like the warmest upcoming period in South Lyon at 85 degrees F.
Tonight is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Friday at about 8 to 15 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 7:03 PM EDT
- Coverage
- 7 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 49. Northeast wind 3 to 9 mph.
Sunny, with a high near 77. Northeast wind 3 to 12 mph, with gusts as high as 18 mph.
Mostly clear, with a low around 50. North northeast wind 0 to 10 mph.
Sunny, with a high near 82. North wind around 3 mph.
Mostly clear, with a low around 56.
Mostly sunny, with a high near 84.
Partly cloudy, with a low around 63.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 85.
A slight chance of rain showers before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Showers and thunderstorms likely. Partly sunny, with a high near 84.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84.
A chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jun 1
|
Partly Sunny
|
78°F |
9 mph
NE
|
|
Tonight
Jun 1
|
Mostly Clear
|
49°F |
3 to 9 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
77°F |
3 to 12 mph
NE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
50°F |
0 to 10 mph
NNE
|
|
Wednesday
Jun 3
|
Sunny
|
82°F |
3 mph
N
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
56°F |
3 mph
SW
|
|
Thursday
Jun 4
|
Mostly Sunny
|
84°F |
3 to 12 mph
SW
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
63°F |
5 to 10 mph
SW
|
|
Friday
Jun 5
|
Partly Sunny then Slight Chance Rain Showers
|
85°F |
8 to 15 mph
SW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
64°F |
7 to 13 mph
SW
|
|
Saturday
Jun 6
|
Showers And Thunderstorms Likely
|
84°F |
7 to 12 mph
SW
|
|
Saturday Night
Jun 6
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
63°F |
5 to 9 mph
W
|
|
Sunday
Jun 7
|
Chance Rain Showers
|
84°F |
5 to 10 mph
N
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
63°F |
5 to 10 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Lyon.