Today | Weather | Wednesday, September 2, 2026
Active Weather Warnings

Weather in Cleveland, Ohio

12:57 AM
Now
Night
77° F
Feels Like 82°
Precipitation 25 %
Wind 7 mph
Humidity 91 %
Today
Sunny with a Chance of Thunderstorms
Day 90°
Night 75°
Precipitation 55 %
Wind 10 mph
UV Index (0 - 11+) 6

Cleveland Weather Forecast Updated

52 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 2, 2025)
Night

Day

75°

Night

61°

Wind

8 mph

Precipitation

0 %

Air Quality in Cleveland

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

Pollutant Concentrations:

PM2.5 13.69 µg/m³
PM10 14.61 µg/m³
O3 0.018 ppm
NO2 2.8 ppb
SO2 0.1 ppb
CO 0.14 ppm
NH3 0.64 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.513.69 µg/m³
PM1014.61 µg/m³
O335.62 µg/m³
NO25.27 µg/m³
SO20.31 µg/m³
CO161.48 µg/m³
NH30.64 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Cleveland

Moderate Expected Likely

Heat Advisory

Heat Advisory issued September 1 at 8:53PM EDT until September 2 at 8:00PM EDT by NWS Cleveland OH
Sep 1, 8:53 PM Sep 2, 8:00 PM
WHAT: Peak heat index values will range from the upper 90s up to
103 degrees Wednesday afternoon. Overnight lows will only drop to
the low to mid 70s which will provide limited nighttime relief from
the heat.

WHERE: Portions of north central, northeast, and northwest Ohio.

WHEN: Until 8 PM EDT Wednesday.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.

ADDITIONAL DETAILS: Hot and humid conditions will continue on
Thursday, and portions of the Heat Advisory may need to be
extended.
+ Read More
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.
Updated: Sep 2, 12:04 AM Source: NWS Alert