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

Chillicothe Ross County Airport (KRZT)

Lat: 39.44°NLon: 83.02°WElev: 725ft.

Fair

32°F

0°C

Humidity 87%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 13 Nov 9:35 pm EST
Extended Forecast for

Williamsport OH

  • Tonight

    Tonight: Increasing clouds, with a low around 33. Calm wind.

    Low: 33 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of rain after 3pm. Increasing clouds, with a high near 59. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain after 1am. Mostly cloudy, with a low around 48. Southwest wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A slight chance of rain. Cloudy, with a high near 68. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Rain and
    Breezy

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 42. Southwest wind 13 to 16 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain Likely

  • Sunday

    Sunday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: A chance of rain after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.

    Low: 32 °F

    Partly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 33. Calm wind.
Friday
A slight chance of rain after 3pm. Increasing clouds, with a high near 59. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Friday Night
A chance of rain after 1am. Mostly cloudy, with a low around 48. Southwest wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of rain. Cloudy, with a high near 68. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 20%.
Saturday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 42. Southwest wind 13 to 16 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 50.
Monday Night
A chance of rain after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Wednesday
A chance of rain. Partly sunny, with a high near 53. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsport OH
 39.59°N 83.13°W (Elev. 781 ft)
Last Update:
4:00 pm EST Nov 13, 2025
Forecast Valid:
10pm EST Nov 13, 2025-6pm EST Nov 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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