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

Hazardous Weather Conditions

Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Fair

64°F

18°C

Humidity 34%
Wind Speed NE 6 mph
Barometer 30.14 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 16 Oct 5:46 pm EDT
Extended Forecast for

3 Miles SW Richwood OH

  • Tonight

    Tonight: Mostly clear, with a low around 37. Northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 68. South wind 3 to 7 mph.

    High: 68 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 48. South wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly sunny, with a high near 81. South wind 10 to 16 mph. Chance of precipitation is 20%.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, then showers after 11pm. Low around 53. South wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm. High near 65. Breezy. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Partly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am. Partly cloudy, with a low around 44. Chance of precipitation is 40%.

    Low: 44 °F

    Mostly Clear
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 37. Northeast wind 5 to 7 mph becoming calm in the evening.
Friday
Increasing clouds, with a high near 68. South wind 3 to 7 mph.
Friday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 48. South wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly sunny, with a high near 81. South wind 10 to 16 mph. Chance of precipitation is 20%.
Saturday Night
Showers and thunderstorms likely, then showers after 11pm. Low around 53. South wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 65. Breezy. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers likely, mainly before 8pm. Partly cloudy, with a low around 40. Chance of precipitation is 60%.
Monday
Sunny, with a high near 62.
Monday Night
A chance of showers after 2am. Partly cloudy, with a low around 44. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 38. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Richwood OH
 40.4°N 83.35°W (Elev. 978 ft)
Last Update:
4:00 pm EDT Oct 16, 2025
Forecast Valid:
5pm EDT Oct 16, 2025-6pm EDT Oct 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation