Today | Weather | Thursday, September 18, 2025

Weather in Rochester, New York

11:56 AM
Now
Sunny Weather
77° F
Feels Like 81°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 11
Humidity 53 %
Today
Cloudy Weather
Day 82°
Night 57°
Precipitation 1 %
Wind 13
UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Rochester Weather Forecast Updated

31 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (September 18, 2024)

Cloudy Weather

Day

79°

Night

59°

Wind

4 mph

UV Index

4

Precipitation

0

Air quality in Rochester

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

Pollutant Concentrations:

PM2.5 7.73 µg/m³
PM10 8.11 µg/m³
O₃ 57.11 ppb
NO₂ 3.00 ppb
SO₂ 1.18 ppb
CO 211.71 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors