See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
22°
Clear
Feels Like: 18°
Min: 21°
Max: 33°
The next few hours will be clear, with today reaching 33°C and dropping to 18°C. The coming days will be mostly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:19
Sunrise
19:31
Sunset
Moon
Waxing Crescent
13:10
Moonrise
21:39
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Gahanna.
Resources
UV Index
Humidity
Weather in Gahanna today, September 16, 2026
Gahanna starts September 16, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. The morning sky stays heavily clouded, with cover near 100% around 06:00. Grey conditions set the early tone before any later change.
Expect highs of 33°C and cooler readings close to 21°C. The air stays humid, with relative humidity between 29% and 96% and the peak around 07:00. Winds stay light, near 7.9 km/h by 21:00, so the day feels still more than breezy.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility near 15.3 km, with poorer spells close to 12.7 km. Sunrise is at 07:19 and sunset at 19:31, giving 12 hours 12 minutes of sunlight today.
The practical takeaway for Gahanna is a bright September 16, 2026, ideal for outdoor errands before temperatures ease from about 33°C.
Frequently asked questions about weather in Gahanna
How warm does it get in Gahanna?
The warmest month in Gahanna is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.
How cold does it get in Gahanna?
The coldest month in Gahanna is January, with average low temperatures of -4°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Gahanna?
The wettest month in Gahanna is May, with an average of 127mm of precipitation.
What is the driest time of year in Gahanna?
The driest month in Gahanna is August, with an average of 73mm of precipitation.
