Today | Weather | Tuesday, November 11, 2025
Active Weather Warnings

Weather in New Rochelle, New York

06:29 AM
Now
Cloudy Night
34° F
Feels Like 18°
Precipitation 0 %
Wind 16 mph
Humidity 60 %
Today
Snowy Weather
Day 43°
Night 37°
Precipitation 65 %
Wind 18 mph
UV Index (0 - 11+) 1

New Rochelle Weather Forecast Updated

Last updated on

Air Quality in New Rochelle

NOW
34 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.59 µg/m³
PM10 1.5 µg/m³
O3 0.036 ppm
NO2 2.1 ppb
SO2 0.7 ppb
CO 0.11 ppm
NH3 0.72 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)
PM2.50.59 µg/m³
PM101.5 µg/m³
O371.29 µg/m³
NO24.02 µg/m³
SO21.95 µg/m³
CO122.49 µg/m³
NH30.72 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for New Rochelle

Moderate Expected Likely

Freeze Warning

Freeze Warning issued November 11 at 1:02AM EST until November 11 at 9:00AM EST by NWS Upton NY
Nov 11, 1:02 AM Nov 11, 9:00 AM
WHAT: Sub-freezing temperatures between 29 and 32 degrees.

WHERE: Portions of southern Connecticut, northeast New Jersey,
and southeast New York.

WHEN: Until 9 AM EST this morning.

IMPACTS: Frost and freeze conditions could kill crops and other
sensitive vegetation.
+ Read More
Take steps now to protect tender plants from the cold.
Updated: Nov 11, 4:58 AM Source: NWS Alert