Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Fair

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 23 Jul 7:55 am EDT
Extended Forecast for

3 Miles WSW Irwin OH

  • Today

    Today: Sunny, with a high near 76. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 54. Light north wind.

    Low: 54 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 76. Calm wind becoming northeast around 6 mph in the afternoon.
Tonight
Increasing clouds, with a low around 54. Light north wind.
Friday
Mostly sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 59. Calm wind.
Saturday
Sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 89.
Monday Night
Showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Tuesday Night
A chance of thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Irwin OH
 40.12°N 83.53°W (Elev. 1066 ft)
4:00 am EDT Jul 23, 2026
8am EDT Jul 23, 2026-6pm EDT Jul 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database