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

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Fair

46°F

8°C

Humidity 87%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 16 Oct 1:01 am EDT
Extended Forecast for

4 Miles SSW Ostrander OH

  • Overnight

    Overnight: Mostly clear, with a low around 41. Light north wind.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Northeast wind 3 to 7 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 37. Northeast wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Clear

  • Friday

    Friday: Patchy frost before 9am. Otherwise, increasing clouds, with a high near 68. Calm wind becoming south 5 to 7 mph in the morning.

    High: 68 °F

    Patchy Frost
    then Partly
    Sunny

  • Friday Night

    Friday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 48. South wind around 7 mph. Chance of precipitation is 30%.

    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. Chance of precipitation is 20%.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm, mainly after 2am. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 66. Breezy. Chance of precipitation is 80%.

    High: 66 °F

    Showers and
    Breezy

  • Sunday Night

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

    Low: 40 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 41. Light north wind.
Thursday
Sunny, with a high near 66. Northeast wind 3 to 7 mph.
Thursday Night
Clear, with a low around 37. Northeast wind around 5 mph becoming calm in the evening.
Friday
Patchy frost before 9am. Otherwise, increasing clouds, with a high near 68. Calm wind becoming south 5 to 7 mph in the morning.
Friday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 48. South wind around 7 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Saturday Night
Showers and possibly a thunderstorm, mainly after 2am. Low around 54. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 66. Breezy. Chance of precipitation is 80%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 43.
Tuesday
A chance of showers. Mostly sunny, with a high near 66. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Ostrander OH
 40.22°N 83.26°W (Elev. 978 ft)
Last Update:
1:15 am EDT Oct 16, 2025
Forecast Valid:
1am EDT Oct 16, 2025-6pm EDT Oct 22, 2025
 
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