Today | Weather | Sunday, October 4, 2026

Weather in Rochester, Minnesota

03:22 PM
Now
Sunny Weather
66° F
Feels Like 66°
Precipitation 0 %
Wind 15 mph
UV Index (0 - 11+) 3
Humidity 35 %
Today
Cloudy Weather
Day 66°
Night 45°
Precipitation 2 %
Wind 10 mph
UV Index (0 - 11+) 4

Rochester Weather Forecast Updated

43 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 4, 2025)
Night

Day

86°

Night

64°

Wind

15 mph

Precipitation

0 %

Air Quality in Rochester

NOW
41 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.92 µg/m³
PM10 2.11 µg/m³
O3 0.044 ppm
NO2 0.2 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 1.33 µg/m³
NO 0.11 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)
PM2.5 – 1.92 µg/m³
PM10 – 2.11 µg/m³
O3 – 87.22 µg/m³
NO2 – 0.47 µg/m³
SO2 – 0.16 µg/m³
CO – 133.82 µg/m³
NH3 – 1.33 µg/m³
NO – 0.11 µg/m³