Today | Weather | Wednesday, August 12, 2026
Active Weather Warnings

Weather in New Rochelle, New York

07:50 AM
Now
Cloudy Weather
73° F
Feels Like 73°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 2
Humidity 67 %
Today
Cloudy Weather
Day 86°
Night 70°
Precipitation 25 %
Wind 7 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

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.

New Rochelle Weather Forecast Updated

45 minutes ago
Last updated on

Air Quality in New Rochelle

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

Pollutant Concentrations:

PM2.5 4.24 µg/m³
PM10 4.88 µg/m³
O3 0.010 ppm
NO2 5.3 ppb
SO2 0.8 ppb
CO 0.16 ppm
NH3 0.17 µg/m³
NO 1.25 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)
PM2.54.24 µg/m³
PM104.88 µg/m³
O318.68 µg/m³
NO29.99 µg/m³
SO22.15 µg/m³
CO178.99 µg/m³
NH30.17 µg/m³
NO1.25 µg/m³

Weather Alerts and Warnings for New Rochelle

Minor Expected Likely

Coastal Flood Statement

Coastal Flood Statement issued August 12 at 3:07AM EDT until August 13 at 1:00AM EDT by NWS Upton NY
Aug 12, 11:00 PM Aug 13, 1:00 AM
WHAT: Up to one half foot of inundation above ground level
expected in vulnerable areas near the waterfront and shoreline.

WHERE: In Connecticut, Southern Fairfield County. In New
York, Southern Westchester County.

WHEN: From this evening through late tonight.

IMPACTS: Brief minor flooding of the more vulnerable
locations near the waterfront and shoreline.

ADDITIONAL DETAILS: Another round of localized minor
flooding are likely for the Thursday night high tide.
+ Read More
Do not drive through flooded roadways.
Updated: Aug 12, 7:04 AM Source: NWS Alert