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

48°F

9°C

Humidity 42%
Wind Speed NW 14 G 20 mph
Barometer 30.04 in (1017.5 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 2 May 2:51 pm EDT
Extended Forecast for

Gahanna OH

Frost Advisory May 3, 01:00am until May 3, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 2am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 35. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 35 °F

    Partly Cloudy
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, increasing clouds, with a high near 62. Light southwest wind increasing to 8 to 13 mph in the morning.

    High: 62 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 48. South wind around 9 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 74. Southwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 51. Chance of precipitation is 90%.

    Low: 51 °F

    Showers

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely

Detailed Forecast

Tonight
Areas of frost after 2am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 35. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Areas of frost before 8am. Otherwise, increasing clouds, with a high near 62. Light southwest wind increasing to 8 to 13 mph in the morning.
Sunday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 48. South wind around 9 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 74. Southwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 51. Chance of precipitation is 90%.
Wednesday
Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Thursday
A chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 63.
Friday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gahanna OH
 40.01°N 82.88°W (Elev. 797 ft)
Last Update:
1:20 pm EDT May 2, 2026
Forecast Valid:
3pm EDT May 2, 2026-6pm EDT May 9, 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