Today | Weather | Wednesday, November 4, 2026

Weather in Lafayette, Indiana

09:27 AM
Now
Rainy Weather
64° F
Feels Like 61°
Precipitation 66 %
Wind 9 mph
UV Index (0 - 11+) 0
Humidity 86 %
Today
Rainy Weather
Day 68°
Night 50°
Precipitation 96 %
Wind 9 mph
UV Index (0 - 11+) 1

Lafayette Weather Forecast Updated

4 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 4, 2025)
Cloudy Night

Day

66°

Night

48°

Wind

8 mph

Precipitation

2 %

Air Quality in Lafayette

NOW
25 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.14 µg/m³
PM10 1.25 µg/m³
O3 0.026 ppm
NO2 1.9 ppb
SO2 0.4 ppb
CO 0.12 ppm
NH3 0.09 µg/m³
NO 0.01 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)
PM2.5 – 1.14 µg/m³
PM10 – 1.25 µg/m³
O3 – 51.98 µg/m³
NO2 – 3.5 µg/m³
SO2 – 1.01 µg/m³
CO – 141.55 µg/m³
NH3 – 0.09 µg/m³
NO – 0.01 µg/m³