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.

Overcast

50°F

10°C

Humidity 76%
Wind Speed W 17 G 22 mph
Barometer 29.93 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 18 Apr 7:35 pm EDT
Extended Forecast for

Marysville OH

Freeze Watch April 20, 02:00am until April 20, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Tonight

    Tonight: A chance of showers between 9pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 37. Northwest wind 8 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, mainly after 5pm. Patchy frost before 9am. Otherwise, increasing clouds, with a high near 55. West wind 8 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    High: 55 °F

    Patchy Frost
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Widespread frost, mainly after 5am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 31. Northwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Showers then
    Frost

  • Monday

    Monday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 49. Northwest wind 6 to 8 mph.

    High: 49 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Areas of frost after 1am. Otherwise, mostly clear, with a low around 32. Calm wind becoming southeast around 6 mph after midnight.

    Low: 32 °F

    Mostly Clear
    then Areas
    Frost

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 71.

    High: 71 °F

    Areas Frost
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers between 9pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 37. Northwest wind 8 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers, mainly after 5pm. Patchy frost before 9am. Otherwise, increasing clouds, with a high near 55. West wind 8 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers before 8pm. Widespread frost, mainly after 5am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 31. Northwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Monday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 49. Northwest wind 6 to 8 mph.
Monday Night
Areas of frost after 1am. Otherwise, mostly clear, with a low around 32. Calm wind becoming southeast around 6 mph after midnight.
Tuesday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 71.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Friday Night
Showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Saturday
Showers likely. Partly sunny, with a high near 68. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville OH
 40.25°N 83.37°W (Elev. 997 ft)
Last Update:
4:33 pm EDT Apr 18, 2026
Forecast Valid:
7pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation