Today | Weather | Wednesday, August 5, 2026

Weather in Rochester, Minnesota

07:07 AM
Now
Cloudy Weather
57° F
Feels Like 61°
Precipitation 48 %
Wind 1 mph
UV Index (0 - 11+) 1
Humidity 87 %
Today
Cloudy Weather
Day 77°
Night 55°
Precipitation 3 %
Wind 5 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

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 Weather Forecast Updated

16 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 5, 2025)
Cloudy Night

Day

81°

Night

63°

Wind

7 mph

Precipitation

7 %

Air Quality in Rochester

NOW
20 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 4.81 µg/m³
PM10 5.19 µg/m³
O3 0.009 ppm
NO2 1.5 ppb
SO2 0 ppb
CO 0.09 ppm
NH3 1.28 µg/m³
NO 0.03 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)
PM2.54.81 µg/m³
PM105.19 µg/m³
O317.21 µg/m³
NO22.73 µg/m³
SO20.12 µg/m³
CO101.56 µg/m³
NH31.28 µg/m³
NO0.03 µg/m³