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.

Overcast

61°F

16°C

Humidity 100%
Wind Speed NW 8 mph
Barometer 29.97 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 11 Oct 9:15 pm EDT
Extended Forecast for

Williamsport OH

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 57. Northwest wind 5 to 8 mph.

    Low: 57 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Columbus Day

    Columbus Day: Patchy fog before 10am. Otherwise, partly sunny, with a high near 81. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. South wind around 7 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Southwest wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Southwest wind 6 to 8 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 57. Northwest wind 5 to 8 mph.
Columbus Day
Patchy fog before 10am. Otherwise, partly sunny, with a high near 81. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 63. South wind around 7 mph.
Tuesday
Sunny, with a high near 86. Southwest wind 9 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 65. Southwest wind 6 to 8 mph.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.
Thursday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 69. Breezy. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 39. Breezy.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Sunny, with a high near 61.
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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:
8:38 pm EDT Oct 11, 2026
Forecast Valid:
9pm EDT Oct 11, 2026-6pm EDT Oct 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