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

70°F

21°C

Humidity 69%
Wind Speed S 3 mph
Barometer 30.08 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 May 12:15 am EDT
Extended Forecast for

Chillicothe OH

  • Overnight

    Overnight: Clear, with a low around 66. Light south wind.

    Low: 66 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 91. Southwest wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 70. South wind 3 to 5 mph.

    Low: 70 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Southwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers after 2am. Low around 66. Southwest wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers, mainly before 2pm. High near 76. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 66. Light south wind.
Monday
Sunny, with a high near 91. Southwest wind 5 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 70. South wind 3 to 5 mph.
Tuesday
A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Southwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms, then showers after 2am. Low around 66. Southwest wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers, mainly before 2pm. High near 76. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 71.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Friday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 77. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chillicothe OH
 39.34°N 82.99°W (Elev. 656 ft)
Last Update:
12:12 am EDT May 18, 2026
Forecast Valid:
1am EDT May 18, 2026-6pm EDT May 24, 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