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

Hazardous Weather Conditions

Current conditions at

John Glenn Columbus International Airport (KCMH)

Lat: 39.99°NLon: 82.88°WElev: 807ft.

Overcast

65°F

18°C

Humidity 34%
Wind Speed SW 14 G 20 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 36°F (2°C)
Visibility 8.00 mi
Last update 25 Mar 5:51 pm EDT
Extended Forecast for

Johnstown OH

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Southwest wind 9 to 11 mph.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers before 11am. Mostly cloudy, with a high near 73. Southwest wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 38. Southwest wind 14 to 18 mph becoming north after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 38 °F

    Showers

  • Friday

    Friday: A slight chance of showers before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 45. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. North wind 6 to 13 mph.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 52. Southwest wind 9 to 11 mph.
Thursday
A chance of showers before 11am. Mostly cloudy, with a high near 73. Southwest wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers and possibly a thunderstorm. Low around 38. Southwest wind 14 to 18 mph becoming north after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday
A slight chance of showers before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 45. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 26. North wind 6 to 13 mph.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 65.
Monday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnstown OH
 40.16°N 82.69°W (Elev. 1112 ft)
Last Update:
4:00 pm EDT Mar 25, 2026
Forecast Valid:
6pm EDT Mar 25, 2026-6pm EDT Apr 1, 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