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

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 34°F (1°C)
Visibility 7.00 mi
Last update 3 Nov 1:15 am EST
Extended Forecast for

Williamsport OH

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly clear, with a low around 36. Light west wind.

    Low: 36 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 58. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. West wind 5 to 8 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. South wind 5 to 9 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 36. Light west wind.
Monday
Patchy fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 58. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon.
Monday Night
Mostly clear, with a low around 33. West wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 60. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 42. South wind 5 to 9 mph.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 58.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamsport OH
 39.59°N 83.13°W (Elev. 781 ft)
Last Update:
1:32 am EST Nov 3, 2025
Forecast Valid:
1am EST Nov 3, 2025-6pm EST Nov 9, 2025
 
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