Today | Weather | Thursday, February 26, 2026

Weather in New Britain, Connecticut

01:17 AM
Now
Rainy Weather
34° F
Feels Like 27°
Precipitation 56 %
Wind 7 mph
Humidity 90 %
Today
Cloudy Weather
Day 41°
Night 16°
Precipitation 16 %
Wind 6 mph
UV Index (0 - 11+) 3
Overnight Frost 12 AM – 4 AM
Tomorrow Morning Frost 12 AM – 8 AM

New Britain Weather Forecast Updated

18 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 26, 2025)

Day

54°

Night

32°

Air Quality in New Britain

NOW
54 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 14.01 µg/m³
PM10 17.73 µg/m³
O3 0.030 ppm
NO2 15.1 ppb
SO2 1.5 ppb
CO 0.25 ppm
NH3 0.62 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.514.01 µg/m³
PM1017.73 µg/m³
O357.93 µg/m³
NO228.34 µg/m³
SO23.84 µg/m³
CO288.86 µg/m³
NH30.62 µg/m³
NO0 µg/m³