Today | Weather | Saturday, May 16, 2026

Weather in Rochester, New York

07:17 PM
Now
Stormy Weather
64° F
Feels Like 61°
Precipitation 46 %
Wind 13 mph
UV Index (0 - 11+) 0
Humidity 82 %
Today
Sunny with a Chance of Thunderstorms
Day 81°
Night 59°
Precipitation 55 %
Wind 13 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

27 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 16, 2025)
Cloudy Weather

Day

82°

Night

59°

Wind

12 mph

UV Index

9

Precipitation

25 %

Air Quality in Rochester

NOW
50 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.76 µg/m³
PM10 5.85 µg/m³
O3 0.054 ppm
NO2 0.7 ppb
SO2 0.4 ppb
CO 0.11 ppm
NH3 0.35 µg/m³
NO 0.02 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)
PM2.55.76 µg/m³
PM105.85 µg/m³
O3105.74 µg/m³
NO21.38 µg/m³
SO21.09 µg/m³
CO121.5 µg/m³
NH30.35 µg/m³
NO0.02 µg/m³