National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

37°F

3°C

Humidity 87%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 15 May 1:35 am EDT
Extended Forecast for

Lexington MI

  • Overnight

    Overnight: Mostly clear, with a low around 40. West wind around 6 mph.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 66. Southwest wind 5 to 10 mph.

    High: 66 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. South southwest wind around 11 mph, with gusts as high as 18 mph.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Showers likely before 2pm. Sunny through mid morning, then becoming mostly cloudy, with a high near 73. South southwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Southwest wind around 8 mph becoming north northwest after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 81. Breezy.

    High: 81 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: A chance of showers after 2am. Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 40. West wind around 6 mph.
Friday
Increasing clouds, with a high near 66. Southwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 50. South southwest wind around 11 mph, with gusts as high as 18 mph.
Saturday
Showers likely before 2pm. Sunny through mid morning, then becoming mostly cloudy, with a high near 73. South southwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 50. Southwest wind around 8 mph becoming north northwest after midnight.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Sunny, with a high near 81. Breezy.
Monday Night
A chance of showers after 2am. Partly cloudy, with a low around 63.
Tuesday
Showers likely, mainly after 2pm. Partly sunny, with a high near 81. Breezy.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 54.
Wednesday
A chance of showers. Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lexington MI
 43.28°N 82.54°W (Elev. 646 ft)
Last Update:
10:13 pm EDT May 14, 2026
Forecast Valid:
1am EDT May 15, 2026-6pm EDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation