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Today | Weather | Tuesday, December 30, 2025
Active Weather Warnings

Weather in Rochester, New York

06:27 PM
Now
Snowy Weather
25° F
Feels Like 1°
Precipitation 59 %
Wind 22 mph
Humidity 79 %
Today
Snowy Weather
Day 27°
Night 21°
Precipitation 100 %
Wind 20 mph
UV Index (0 - 11+) 0

Rochester Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 30, 2024)
Rainy Weather

Day

46°

Night

36°

Wind

20 mph

UV Index

2

Precipitation

98 %

Air Quality in Rochester

NOW
38 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.5 µg/m³
PM10 0.5 µg/m³
O3 0.041 ppm
NO2 1.5 ppb
SO2 0.4 ppb
CO 0.11 ppm
NH3 0.1 µg/m³
NO 0 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 – 0.5 µg/m³
PM10 – 0.5 µg/m³
O3 – 81.02 µg/m³
NO2 – 2.88 µg/m³
SO2 – 0.92 µg/m³
CO – 131.66 µg/m³
NH3 – 0.1 µg/m³
NO – 0 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Rochester

Moderate Expected Likely

Winter Weather Advisory

Winter Weather Advisory issued December 30 at 1:16PM EST until January 1 at 1:00AM EST by NWS Buffalo NY
Dec 30, 1:16 PM → Jan 1, 1:00 AM
WHAT: Lake effect snow through tonight. Snow accumulations 3 to 5
inches in the most persistent lake snows today with additional 2
to 4 inches expected Wednesday afternoon and evening. Winds
gusting as high as 45 mph.

WHERE: Niagara, Orleans, Monroe, and Genesee Counties.

WHEN: Until 1 AM EST Thursday.

IMPACTS: Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
+ Read More
During lake effect snow, the weather can vary from bands of locally heavy snow with greatly reduced visibilities to dry conditions just a few miles away. Be prepared for rapid changes in weather, visibility, and road conditions.
Updated: Dec 30, 4:47 PM Source: NWS Alert