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

58°F

14°C

Humidity 58%
Wind Speed SE 6 mph
Barometer 29.83 in (1010.1 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Mar 9:51 pm EDT
Extended Forecast for

4 Miles S Johnstown OH

  • Tonight

    Tonight: Mostly clear, with a low around 53. Southwest wind 8 to 11 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 79. Southwest wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 79 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Rain showers before 5am, then a slight chance of rain and snow showers. Some thunder is also possible. Low around 35. North wind 15 to 17 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 35 °F

    Showers then
    Chance
    Rain/Snow

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 46. North wind 13 to 15 mph.

    High: 46 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. North wind 6 to 9 mph becoming east after midnight.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Southwest wind 8 to 11 mph.
Sunday
Increasing clouds, with a high near 79. Southwest wind 11 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Rain showers before 5am, then a slight chance of rain and snow showers. Some thunder is also possible. Low around 35. North wind 15 to 17 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 46. North wind 13 to 15 mph.
Monday Night
Partly cloudy, with a low around 27. North wind 6 to 9 mph becoming east after midnight.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
A chance of rain after 2pm. Partly sunny, with a high near 67. Chance of precipitation is 40%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Friday
A chance of rain. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Johnstown OH
 40.09°N 82.7°W (Elev. 1198 ft)
Last Update:
6:35 pm EDT Mar 21, 2026
Forecast Valid:
10pm EDT Mar 21, 2026-6pm EDT Mar 28, 2026
 
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