Today | Weather | Monday, September 21, 2026

Active Weather Warnings

Beach Hazards Statement

Weather in Hammond, Indiana

12:54 PM

Now

63° F

Feels Like 59°

Precipitation 49 %

Wind 15 mph

UV Index (0 - 11+) 1

Humidity 83 %

Today

Day 63°

Night 54°

Precipitation 89 %

Wind 12 mph

UV Index (0 - 11+) 1

Hammond Weather Forecast Updated

18 minutes ago

Last updated on September 21, 2026 at 12:36 PM

Weather Forecast History

Last Year's Weather on This Day (September 21, 2025)

Day

82°

Night

64°

Wind

6 mph

UV Index

Precipitation

87 %

Air Quality in Hammond

NOW

26 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 2.88 µg/m³

PM₁₀ 3.13 µg/m³

O₃ 0.028 ppm

NO₂ 2.2 ppb

SO₂ 0.6 ppb

CO 0.18 ppm

NH₃ 0.61 µg/m³

NO 0.55 µg/m³

PM_2.5 – 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)

PM_2.5 – 2.88 µg/m³

PM₁₀ – 3.13 µg/m³

O₃ – 54.49 µg/m³

NO₂ – 4.05 µg/m³

SO₂ – 1.66 µg/m³

CO – 200.67 µg/m³

NH₃ – 0.61 µg/m³

NO – 0.55 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Hammond

Moderate Expected Likely

Beach Hazards Statement

Beach Hazards Statement issued September 21 at 9:25AM CDT until September 23 at 1:00PM CDT by NWS Chicago IL

Sep 21, 9:25 AM → Sep 23, 1:00 PM

WHAT: High wave action and dangerous currents expected at Lake
Michigan beaches. Waves 5 to 8 ft expected.

WHERE: Lake County IN.

WHEN: Through Wednesday afternoon.

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: Sep 21, 12:36 PM Source: NWS Alert