Today | Weather | Tuesday, June 30, 2026

Active Weather Warnings

Weather in Rochester Hills, Michigan

12:30 AM

Now

79° F

Feels Like 82°

Precipitation 0 %

Wind 6 mph

Humidity 75 %

Today

Day 97°

Night 75°

Precipitation 25 %

Wind 10 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.

Rochester Hills Weather Forecast Updated

11 minutes ago

Last updated on June 30, 2026 at 12:19 AM

Air Quality in Rochester Hills

NOW

34 AQI

Good air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 8.13 µg/m³

PM₁₀ 8.97 µg/m³

O₃ 0.029 ppm

NO₂ 2.6 ppb

SO₂ 0.3 ppb

CO 0.12 ppm

NH₃ 2.15 µg/m³

NO 0 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 – 8.13 µg/m³

PM₁₀ – 8.97 µg/m³

O₃ – 56.18 µg/m³

NO₂ – 4.88 µg/m³

SO₂ – 0.77 µg/m³

CO – 133.56 µg/m³

NH₃ – 2.15 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Rochester Hills

Severe Future Likely

Extreme Heat Watch

Extreme Heat Watch issued June 29 at 3:20AM EDT until July 2 at 8:00PM EDT by NWS Detroit/Pontiac MI

Jun 30, 12:00 PM → Jul 2, 8:00 PM

WHAT: Dangerously hot conditions with heat index values exceeding
105 degrees.

WHERE: A portion of southeast Michigan.

WHEN: From Tuesday afternoon through Thursday evening.

IMPACTS: Heat related illnesses increase significantly during
extreme heat and high humidity events.

ADDITIONAL DETAILS: Extended period of hot and humid conditions
expected Tuesday through at least Thursday. High temperatures
reaching the mid 90s to near 100 degrees. This will lead to heat
index values of 105 degrees or greater each day. Little relief
overnight with low temperatures each night in the low to mid 70s.

+ Read More

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. Monitor the latest forecasts and warnings for updates. Check with local emergency management officials for information on cooling center availability.

Updated: Jun 29, 1:43 PM Source: NWS Alert

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued June 29 at 1:57PM EDT until July 2 at 8:00PM EDT by NWS Detroit/Pontiac MI

Jun 30, 12:00 PM → Jul 2, 8:00 PM

WHAT: Dangerously hot conditions with heat index exceeding 105 to
near 110 degrees expected.

WHERE: All of southeast Michigan.

WHEN: From noon Tuesday to 8 PM EDT Thursday.

IMPACTS: Heat related illnesses increase significantly during
extreme heat and high humidity events.

ADDITIONAL DETAILS: An extended period of hot and humid
conditions begins Tuesday afternoon and peaks Wednesday through at
least Thursday. High temperatures reach the mid 90s to near 100
degrees and combine with high humidity to result in heat index of
105 degrees or greater each day. Little relief occurs at night as
low temperatures only fall into the mid and upper 70s with
nighttime heat index around 80.

+ Read More

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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. Check with local emergency management officials for information on cooling center availability.

Updated: Jun 30, 12:19 AM Source: NWS Alert

Air Quality Alert

Air Quality Alert issued June 29 at 9:18AM EDT by NWS Detroit/Pontiac MI

Jun 29, 9:18 AM → Jun 30, 9:30 AM

The alert is in effect for the following Michigan counties...

St. Clair...Livingston...Oakland...Macomb...Washtenaw...Wayne and
Monroe.

The Michigan Department of Environment, Great Lakes, and Energy has
declared an Air Quality Alert for Monday June 29th for elevated
levels of Ozone. It is recommended that, when possible, you avoid
strenuous outdoor activities, especially those with heart disease and
respiratory conditions such as asthma. Watch for symptoms that
include wheezing, coughing, chest tightness, dizziness, or burning in
nose, throat, or eyes.

People and businesses are urged to avoid activities which can lead
to ozone formation. These activities include: refueling vehicles
or topping off when refueling, using gasoline powered lawn
equipment, using charcoal lighter fluid.

Positive activities include: driving less, telecommuting, walking
or bike riding, delaying or combining errands, using water-based
paints.

For up to date air quality data for Michigan, visit the MiAir
site: https://michigan.gov/MiAir

For up to date air quality data nationally, visit see EPA's Air
Now site: https://www.airnow.gov

Updated: Jun 30, 12:19 AM Source: NWS Alert

Weather in Rochester Hills, Michigan

Warning: High UV Index Today: 10

Rochester Hills Weather Forecast Updated

Air Quality in Rochester Hills

Pollutant Concentrations:

Health Recommendations:

Weather Alerts and Warnings for Rochester Hills

Extreme Heat Watch

Extreme Heat Warning

Air Quality Alert

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