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.

Mostly Cloudy

83°F

28°C

Humidity 61%
Wind Speed Calm
Barometer 29.94 in (1013.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 5 Sep 1:51 pm EDT
Extended Forecast for

Johnstown OH

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Partly sunny, with a high near 81. North wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 59. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. Northeast wind around 10 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Northeast wind around 9 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 80. East wind around 8 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Partly sunny, with a high near 81. North wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 59. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 78. Northeast wind around 10 mph.
Sunday Night
Mostly clear, with a low around 58. Northeast wind around 9 mph, with gusts as high as 20 mph.
Labor Day
Sunny, with a high near 80. East wind around 8 mph.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 77.
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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:
8:36 am EDT Sep 5, 2026
Forecast Valid:
2pm EDT Sep 5, 2026-6pm EDT Sep 11, 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