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

66°F

19°C

Humidity 43%
Wind Speed W 9 mph
Barometer 29.79 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 11 Nov 3:15 pm EST
Extended Forecast for

Williamsport OH

  • Tonight

    Tonight: Showers likely, mainly after 1am. Mostly cloudy, with a low around 46. Light and variable wind becoming north 8 to 13 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers before 8am, then a chance of showers after 1pm. High near 50. Northwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 36. North wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Showers

  • Friday

    Friday: A chance of rain and snow showers before 10am, then a chance of rain showers. Cloudy, with a high near 44. Northwest wind around 11 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. Northwest wind 6 to 8 mph.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly after 1am. Mostly cloudy, with a low around 46. Light and variable wind becoming north 8 to 13 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers before 8am, then a chance of showers after 1pm. High near 50. Northwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 36. North wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain and snow showers before 10am, then a chance of rain showers. Cloudy, with a high near 44. Northwest wind around 11 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
Mostly cloudy, with a low around 30. Northwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 52.
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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:
12:28 pm EST Nov 11, 2026
Forecast Valid:
3pm EST Nov 11, 2026-6pm EST Nov 18, 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