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

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Richmond MI

Frost Advisory until October 18, 08:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until October 18, 08:00am

    NOW until 8:00am Sun

    Frost Advisory

  • Overnight

    Low: 36 °F

    Areas Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, sunny, with a high near 60. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 60 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40. South southwest wind 5 to 7 mph.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 64. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Overnight
Areas of frost. Otherwise, clear, with a low around 36. Southwest wind around 6 mph.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 60. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Clear, with a low around 40. South southwest wind 5 to 7 mph.
Monday
Sunny, with a high near 64. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 39. Calm wind.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Richmond MI
 42.79°N 82.75°W (Elev. 702 ft)
Last Update:
4:24 am EDT Oct 18, 2026
Forecast Valid:
5am EDT Oct 18, 2026-6pm EDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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