Today | Weather | Wednesday, May 20, 2026
Active Weather Warnings

Weather in Hammond, Indiana

04:51 PM
Now
Cloudy Weather
54° F
Feels Like 50°
Precipitation 0 %
Wind 15 mph
UV Index (0 - 11+) 3
Humidity 57 %
Today
Cloudy Weather
Day 59°
Night 46°
Precipitation 1 %
Wind 13 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Hammond Weather Forecast Updated

Last updated on

Air Quality in Hammond

NOW
44 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.78 µg/m³
PM10 4.16 µg/m³
O3 0.048 ppm
NO2 0.8 ppb
SO2 0.9 ppb
CO 0.11 ppm
NH3 2.29 µg/m³
NO 0.13 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)
PM2.53.78 µg/m³
PM104.16 µg/m³
O394.04 µg/m³
NO21.49 µg/m³
SO22.31 µg/m³
CO126.43 µg/m³
NH32.29 µg/m³
NO0.13 µg/m³

Weather Alerts and Warnings for Hammond

Moderate Expected Likely

Beach Hazards Statement

Beach Hazards Statement issued May 20 at 10:31AM CDT until May 21 at 10:00AM CDT by NWS Chicago IL
May 20, 10:31 AM May 21, 10:00 AM
WHAT: High wave action and dangerous currents expected at Lake
Michigan beaches. Waves 3 to 6 ft expected.

WHERE: Lake County IN.

WHEN: Through Thursday morning.

IMPACTS: Swimming conditions will be life threatening,
especially for inexperienced swimmers.
+ Read More
Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Updated: May 20, 3:38 PM Source: NWS Alert