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Hazardous Weather Conditions

Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Fair with Haze

39°F

4°C

Humidity 56%
Wind Speed SE 2 mph
Barometer 30.29 in
Dewpoint 25°F (-4°C)
Visibility 1.00 mi
Last update 20 Apr 9:55 pm EDT
Extended Forecast for

Marysville OH

Frost Advisory April 20, 11:00pm until April 21, 10:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 1am. Otherwise, mostly clear, with a low around 34. Calm wind becoming south around 6 mph after midnight.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost

  • Tuesday

    Tuesday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 73. Southwest wind 10 to 17 mph, with gusts as high as 32 mph.

    High: 73 °F

    Areas Frost
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 56. Southwest wind around 10 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. West wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm. Mostly clear, with a low around 52. West wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: 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

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

Detailed Forecast

Tonight
Patchy frost after 1am. Otherwise, mostly clear, with a low around 34. Calm wind becoming south around 6 mph after midnight.
Tuesday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 73. Southwest wind 10 to 17 mph, with gusts as high as 32 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 56. Southwest wind around 10 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. West wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 52. West wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 70.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Monday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
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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:
4:53 pm EDT Apr 20, 2026
Forecast Valid:
10pm EDT Apr 20, 2026-6pm EDT Apr 27, 2026
 
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