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Hazardous Weather Conditions

Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Fair

45°F

7°C

Humidity 57%
Wind Speed W 10 mph
Barometer 30.14 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 19 Apr 9:35 am EDT
Extended Forecast for

Marysville OH

Freeze Warning April 20, 02:00am until April 20, 10:00am
Click here for hazard details and duration
Freeze Warning

  • Today

    Today: Increasing clouds, with a high near 55. West wind 10 to 16 mph, with gusts as high as 31 mph.

    High: 55 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Widespread frost, mainly after 4am. Otherwise, partly cloudy, with a low around 31. Northwest wind 6 to 13 mph, with gusts as high as 26 mph.

    Low: 31 °F

    Partly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost before 9am, then widespread frost after 2pm. Otherwise, sunny, with a high near 49. Northwest wind 6 to 8 mph.

    High: 49 °F

    Frost

  • Monday Night

    Monday Night: Areas of frost before midnight. Otherwise, mostly clear, with a low around 32. Calm wind becoming southeast around 6 mph after midnight.

    Low: 32 °F

    Areas Frost
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Southwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 55. West wind 10 to 16 mph, with gusts as high as 31 mph.
Tonight
Widespread frost, mainly after 4am. Otherwise, partly cloudy, with a low around 31. Northwest wind 6 to 13 mph, with gusts as high as 26 mph.
Monday
Widespread frost before 9am, then widespread frost after 2pm. Otherwise, sunny, with a high near 49. Northwest wind 6 to 8 mph.
Monday Night
Areas of frost before midnight. Otherwise, mostly clear, with a low around 32. Calm wind becoming southeast around 6 mph after midnight.
Tuesday
Sunny, with a high near 71. Southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Friday Night
Showers likely. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marysville OH
 40.25°N 83.37°W (Elev. 997 ft)
Last Update:
6:39 am EDT Apr 19, 2026
Forecast Valid:
9am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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