Today | Weather | Saturday, May 16, 2026

Weather in Rochester, Minnesota

03:48 PM
Now
Cloudy Weather
81° F
Feels Like 82°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 5
Humidity 17 %
Today
Cloudy Weather
Day 82°
Night 54°
Precipitation 1 %
Wind 7 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.

Rochester Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 16, 2025)
Partly Sunny with Showers

Day

70°

Night

43°

Wind

24 mph

UV Index

7

Precipitation

68 %

Air Quality in Rochester

NOW
68 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.44 µg/m³
PM10 1.94 µg/m³
O3 0.060 ppm
NO2 0.3 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 4.12 µg/m³
NO 0.08 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)
PM2.51.44 µg/m³
PM101.94 µg/m³
O3117.17 µg/m³
NO20.51 µg/m³
SO20.21 µg/m³
CO110.48 µg/m³
NH34.12 µg/m³
NO0.08 µg/m³