Today | Weather | Monday, September 15, 2025

Weather in Grand Rapids, Michigan

03:06 PM
Now
Cloudy Weather
84° F
Feels Like 88°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 11
Humidity 41 %
Today
Cloudy Weather
Day 86°
Night 55°
Precipitation 1 %
Wind 10
UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Grand Rapids Weather Forecast Updated

Last updated on

Weather Forecast History

Last Year's Weather on This Day (September 15, 2024)

Cloudy Weather

Day

91°

Night

59°

Wind

6 mph

UV Index

5

Precipitation

0

Air quality in Grand Rapids

NOW
54 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 5.80 µg/m³
PM10 6.25 µg/m³
O₃ 63.26 ppb
NO₂ 0.73 ppb
SO₂ 0.45 ppb
CO 157.08 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.