Hazardous Weather Conditions
Current conditions at
John Glenn Columbus International Airport (KCMH)
Lat: 39.99°NLon: 82.88°WElev: 807ft.
A Few Clouds
69°F
21°C
| Humidity | 81% |
| Wind Speed | Calm |
| Barometer | 29.97 in (1014.3 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 18 Aug 11:51 pm EDT |
Extended Forecast for
3 Miles SSW Johnstown OH
Overnight

Low: 61 °F
Mostly Clear
Wednesday
High: 77 °F
Mostly Sunny
then Chance
T-stormsWednesday Night
Low: 62 °F
Chance
T-storms then
Chance
ShowersThursday

High: 77 °F
Chance
ShowersThursday Night

Low: 57 °F
Partly Cloudy
Friday

High: 78 °F
Sunny
Friday Night

Low: 60 °F
Mostly Clear
Saturday
High: 77 °F
Mostly Sunny
then Showers
LikelySaturday Night
Low: 59 °F
Showers
Likely then
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 61. Calm wind.
Wednesday
A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 77. West wind 5 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. Northeast wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 57. Northeast wind 5 to 7 mph.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 60.
Saturday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 59. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Johnstown OH
40.11°N 82.69°W (Elev. 1158 ft)
40.11°N 82.69°W (Elev. 1158 ft)
4:00 pm EDT Aug 18, 2026
12am EDT Aug 19, 2026-6pm EDT Aug 25, 2026



