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

64°F

18°C

Humidity 83%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 4 Aug 11:35 pm EDT
Extended Forecast for

Lexington MI

  • Tonight

    Tonight: Mostly clear, with a low around 62. South southwest wind around 10 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. South southwest wind around 8 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 3am. Increasing clouds, with a low around 65. West wind around 6 mph becoming east northeast in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Partly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers. High near 76. North wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely before 8pm. Mostly cloudy, with a low around 64. North northeast wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 40%.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 62. South southwest wind around 10 mph.
Wednesday
Sunny, with a high near 84. South southwest wind around 8 mph.
Wednesday Night
Showers likely, mainly after 3am. Increasing clouds, with a low around 65. West wind around 6 mph becoming east northeast in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers. High near 76. North wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely before 8pm. Mostly cloudy, with a low around 64. North northeast wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64.
Sunday
A chance of showers. Mostly sunny, with a high near 81.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66.
Monday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 79.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65.
Tuesday
A chance of showers. Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Lexington MI
 43.28°N 82.54°W (Elev. 646 ft)
Last Update:
4:25 pm EDT Aug 4, 2026
Forecast Valid:
11pm EDT Aug 4, 2026-6pm EDT Aug 11, 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