Today | Weather | Friday, July 3, 2026
Active Weather Warnings

Weather in Pontiac, Michigan

12:31 AM
Now
Cloudy Night
75° F
Feels Like 79°
Precipitation 42 %
Wind 7 mph
Humidity 80 %
Today
Sunny with a Chance of Thunderstorms
Day 93°
Night 72°
Precipitation 55 %
Wind 10 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

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.

Pontiac Weather Forecast Updated

Last updated on

Air Quality in Pontiac

NOW
27 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.12 µg/m³
PM10 5.88 µg/m³
O3 0.029 ppm
NO2 2 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 1.67 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)
PM2.55.12 µg/m³
PM105.88 µg/m³
O356.35 µg/m³
NO23.77 µg/m³
SO20.36 µg/m³
CO119.61 µg/m³
NH31.67 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Pontiac

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued July 2 at 8:03PM EDT until July 3 at 8:00PM EDT by NWS Detroit/Pontiac MI
Jul 2, 8:03 PM Jul 3, 8:00 PM
WHAT: Dangerously hot conditions with heat index values up to 105.

WHERE: A portion of southeast Michigan.

WHEN: Until 8 PM EDT Friday.

IMPACTS: Heat related illnesses increase significantly during
extreme heat and high humidity events.
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Monitor the latest forecasts and warnings for updates. Check with local emergency management officials for information on cooling center availability.
Updated: Jul 2, 11:17 PM Source: NWS Alert