Gahanna Weather

Gahanna, OH 43230

Advisories and Warnings
Current Conditions for Wednesday August 12th 2026 last updated @
Temperature: °F   Comfortable Pressure: inHg and Holding Steady Wind from the @ mph
Humidity: 99% Solar Irradiance: 9.0 W/m2 UV Index: 0.0
Rainfall Today: inches ( 0.00 in/hr ) Sunrise: 6:40AM Sunset: 8:32PM
PM2.5:  143.0   µg/m3   UNHEALTHY Current AQI:   196.0   UNHEALTHY 24HR:   162.0   UNHEALTHY
3-Day Forecast
Today - Chance Showers And Thunderstorms
Tonight - Chance Showers And Thunderstorms
Thursday - Chance Rain Showers then Chance Showers And Thunderstorms
Thursday Night - Chance Showers And Thunderstorms then Showers And Thunderstorms
Friday - Showers And Thunderstorms
Friday Night - Slight Chance Showers And Thunderstorms
Observations for Wednesday August 12th 2026
High Temperature: 67.3 °F @ 12:51 AM High Pressure: 30 inHg @ 12:51 AM Heat Index: °F
Low Temperature: 64.2°F @ 3:33 AM Low Pressure: 29.93 inHg @ 7:03 AM Solar Irradiance: 9.0 W/m2
Avg Temperature: 65.4°F Rainfall Month: 3.92 inches Max Wind Speed: 4.5 mph @7:10am
Dew Point: 64.6°F Max UV Index: 0.0 Sky Conditions: Overcast
Last Year/Normals/Records for August 12th
High Temperature Last Year: 96.3 °F @ 4:00pm Normal High Temperature: 84.6 °F Record High on This Date: 96°F      Year: 2005
Low Temperature Last Year: 67.8°F @ 6:48am Normal Low Temperature: 64.5 °F Record Low on This Date: 45°F      Year: 1967
Precipitation Last Year: 0.00 inches Average Normal Temp: 74.5 °F Temp 24Hrs ago: 68.9°F