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

66°F

19°C

Humidity 28%
Wind Speed Calm
Barometer 30.36 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 19 Oct 5:55 pm EDT
Extended Forecast for

Williamsport OH

  • Tonight

    Tonight: Clear, with a low around 37. Calm wind.

    Low: 37 °F

    Clear

  • Tuesday

    Tuesday: Patchy frost before 9am. Otherwise, sunny, with a high near 70. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 70 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

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

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind becoming north around 5 mph in the afternoon.

    High: 69 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 37. Calm wind.
Tuesday
Patchy frost before 9am. Otherwise, sunny, with a high near 70. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 41. Calm wind.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 41. Calm wind.
Thursday
Sunny, with a high near 70.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 67.
Friday Night
Clear, with a low around 41.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamsport OH
 39.56°N 83.1°W (Elev. 702 ft)
Last Update:
4:00 pm EDT Oct 19, 2026
Forecast Valid:
6pm EDT Oct 19, 2026-6pm EDT Oct 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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