Today | Weather | Wednesday, June 10, 2026
Active Weather Warnings

Weather in Hamilton, Ohio

12:27 AM
Now
Cloudy Night
75° F
Feels Like 82°
Precipitation 7 %
Wind 5 mph
Humidity 92 %
Today
Cloudy Weather
Day 91°
Night 72°
Precipitation 25 %
Wind 7 mph
UV Index (0 - 11+) 4

Hamilton Weather Forecast Updated

53 minutes ago
Last updated on

Air Quality in Hamilton

NOW
19 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.76 µg/m³
PM10 3.89 µg/m³
O3 0.020 ppm
NO2 1.6 ppb
SO2 0.4 ppb
CO 0.10 ppm
NH3 0.39 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.53.76 µg/m³
PM103.89 µg/m³
O339.65 µg/m³
NO22.93 µg/m³
SO20.94 µg/m³
CO120.26 µg/m³
NH30.39 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Hamilton

Moderate Expected Observed

Special Weather Statement

Special Weather Statement issued June 9 at 11:07PM EDT by NWS Wilmington OH
Jun 9, 11:07 PM Jun 10, 12:00 AM
At 1107 PM EDT, strong thunderstorms were located along a line
extending from near Fountain City to 6 miles southeast of Vernon,
moving east at 40 mph.

HAZARD...Wind gusts up to 40 mph, frequent cloud-to-ground
lightning, and very heavy rain.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Lightning can cause serious injury or
death. Visibility will be poor and hydroplaning is
possible.

Locations impacted include...
Hamilton, Fairfield, Oxford, Forest Park, Springdale, Harrison,
Eaton, Batesville, Lawrenceburg, Greendale, Aurora, Brookville,
Bright, Hidden Valley, Ross, Cleves, Liberty, Versailles, Camden, and
Milan.

This includes the following Interstates...
I-74 in Indiana between mile markers 149 and 171.
I-74 in Ohio between mile markers 0 and 11.

If outdoors, consider seeking shelter inside a sturdy building.

Motorists should slow down and use extra caution.

When thunder roars, go indoors! Do not stay in the open or seek
shelter under trees when lightning threatens.

To report hazardous weather conditions, go to our website at
weather.gov/iln and submit your report via social media, when you can
do so safely.
Updated: Jun 9, 11:34 PM Source: NWS Alert