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

Hazardous Weather Conditions

Current conditions at

Chillicothe Ross County Airport (KRZT)

Lat: 39.44°NLon: 83.02°WElev: 725ft.

Fair

45°F

7°C

Humidity 93%
Wind Speed Calm
Barometer 30.50 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 19 Oct 9:55 am EDT
Extended Forecast for

Williamsport OH

  • Today

    Today: Sunny, with a high near 67. Calm wind.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 38. Calm wind.

    Low: 38 °F

    Clear

  • Tuesday

    Tuesday: Patchy frost before 9am. Otherwise, sunny, with a high near 67. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 67 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. Light northeast wind.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67. Calm wind becoming north around 5 mph in the afternoon.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 67. Calm wind.
Tonight
Clear, with a low around 38. Calm wind.
Tuesday
Patchy frost before 9am. Otherwise, sunny, with a high near 67. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 41. Light northeast wind.
Wednesday
Sunny, with a high near 67. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 67.
Thursday Night
Clear, with a low around 44.
Friday
Sunny, with a high near 67.
Friday Night
Clear, with a low around 41.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamsport OH
 39.59°N 83.13°W (Elev. 781 ft)
Last Update:
8:57 am EDT Oct 19, 2026
Forecast Valid:
10am EDT Oct 19, 2026-6pm EDT Oct 25, 2026
 
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