Tomorrow's Weather Forecast - Columbus

Tomorrow's weather in Columbus. high 26°C (79°F), low 21°C (70°F). Rain Showers.

Tomorrow’s Outlook

Tomorrow will be 2°C cooler than today. Showers are likely, with rain probability peaking near 42%. That risk lines up with humidity averaging 90% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 90%, so it will feel muggier and stickier than the temperature alone suggests. Winds stay light and calm, rarely topping 11 km/h. Sunrise is at 7:10 AM and sunset at 7:45 PM, for about 12h 35m of daylight.

Tomorrow
26°/ 21°
Today28° / 18°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon22°
Rain probability
42%
Wind speed
11 km/h
AfternoonNoon – 6 PM25°
Rain probability
34%
Wind speed
11 km/h
Evening6 PM – Midn24°
Rain probability
23%
Wind speed
8 km/h
NightMidn – 6 AM21°
Rain probability
8%
Wind speed
7 km/h

24-Hour Rain & Temperature Forecast

Tomorrow12 Sep
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Temperature · peaks at +26°C

Planning Advice for Tomorrow

Clothing
Light waterproof jacket with an umbrella is a smart choice.
Outdoor
Outdoor plans may need flexibility; showers are likely.
Travel
Wet roads may slow traffic; allow a little extra time.

Sunrise & Sunset

Sunrise
Dawn 6:40 AM
Total Daylight
Full day forecastSolar noon 1:27 PM
Sunset
Dusk 8:15 PM
vs today-3 min daylight
Sunrise shift1 min later
Sunset shift1 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Columbus is forecast to reach a high of 26°C tomorrow, with an overnight low around 21°C. Expect a fair chance of rain (42% probability) and a gentle breeze averaging 11 km/h. Air quality is currently good (AQI 39), with no notable outdoor health concerns.

Today vs Normal

28°C+2° above normal

The long-term average high for today is 26°C.

3 of the last 19 days with published data ran above normal.

That's a break from the pattern - today's forecast runs above normal even though the recent stretch mostly ran below.

2026-08-19: 26°C26°2026-08-20: 26°C26°2026-08-21: 27°C27°2026-08-22: 26°C26°2026-08-23: 24°C24°2026-08-24: 24°C24°2026-08-25: 25°C25°2026-08-26: 26°C26°2026-08-27: 27°C27°2026-08-28: 26°C26°2026-08-29: 27°C27°2026-08-30: 28°C28°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.