Hazardous Weather Conditions
Current conditions at
John Glenn Columbus International Airport (KCMH)
Lat: 39.99°NLon: 82.88°WElev: 807ft.
Overcast
51°F
11°C
| Humidity | 71% |
| Wind Speed | N 7 mph |
| Barometer | 30.20 in (1022.6 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 21 May 3:51 am EDT |
Extended Forecast for
Westerville OH
Today

High: 69 °F
Decreasing
CloudsTonight

Low: 53 °F
Increasing
CloudsFriday
High: 72 °F
Chance
Showers then
Showers
LikelyFriday Night

Low: 60 °F
Showers
Saturday

High: 77 °F
Showers
Saturday Night

Low: 62 °F
Chance
ShowersSunday
High: 82 °F
Partly Sunny
then Chance
T-stormsSunday Night
Low: 63 °F
Chance
T-storms then
Chance
ShowersMemorial Day

High: 79 °F
Chance
Showers
Detailed Forecast
Today
Cloudy, then gradually becoming mostly sunny, with a high near 69. Northeast wind around 10 mph.
Tonight
Increasing clouds, with a low around 53. Northeast wind 7 to 9 mph.
Friday
Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 72. East wind 9 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 60. Southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers and possibly a thunderstorm before 8am, then showers between 8am and 11am, then showers and possibly a thunderstorm after 11am. High near 77. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Westerville OH
40.13°N 82.89°W (Elev. 899 ft)
40.13°N 82.89°W (Elev. 899 ft)
4:00 am EDT May 21, 2026
4am EDT May 21, 2026-6pm EDT May 27, 2026



