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

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

N/A

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

4 Miles SW Richwood OH

  • Tonight

    Tonight: Mostly clear, with a low around 46. Northeast wind around 6 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. North wind 6 to 9 mph.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39. Northeast wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. Northeast wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Northeast wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 67. North wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 39. Northeast wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 66. Calm wind becoming northeast around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 36. Northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Saturday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Monday
Sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Richwood OH
 40.38°N 83.36°W (Elev. 978 ft)
Last Update:
7:32 pm EDT Oct 14, 2025
Forecast Valid:
9pm EDT Oct 14, 2025-6pm EDT Oct 21, 2025
 
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