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.

Fog/Mist

68°F

20°C

Humidity 94%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 66°F (19°C)
Visibility 0.75 mi
Last update 8 Aug 3:15 am EDT
Extended Forecast for

Richmond MI

  • Overnight

    Overnight: Partly cloudy, with a low around 67. Light south southwest wind.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. Southwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. North northwest wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 66. South southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm before 8am, then showers likely and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 80%.

    High: 85 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80.

    High: 80 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 67. Light south southwest wind.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. Southwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday Night
Mostly clear, with a low around 59. North northwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 83. Calm wind becoming south 5 to 9 mph in the afternoon.
Sunday Night
A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 66. South southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm before 8am, then showers likely and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 61.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Richmond MI
 42.81°N 82.75°W (Elev. 722 ft)
Last Update:
2:24 am EDT Aug 8, 2026
Forecast Valid:
3am EDT Aug 8, 2026-6pm EDT Aug 14, 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