Today | Weather | Friday, February 6, 2026

Weather in Waterbury, Connecticut

02:14 AM
Now
Cloudy Night
10° F
Feels Like
Precipitation 0 %
Wind 6 mph
Humidity 93 %
Today
Cloudy Weather
Day 30°
Night 19°
Precipitation 1 %
Wind 6 mph
UV Index (0 - 11+) 1

Waterbury Weather Forecast Updated

2 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 6, 2025)
Icy Road Conditions

Day

34°

Night

30°

Wind

6 mph

UV Index

1

Precipitation

100 %

Air Quality in Waterbury

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

Pollutant Concentrations:

PM2.5 12.98 µg/m³
PM10 16.97 µg/m³
O3 0.020 ppm
NO2 17.9 ppb
SO2 1.8 ppb
CO 0.29 ppm
NH3 2.13 µg/m³
NO 3.89 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)
PM2.512.98 µg/m³
PM1016.97 µg/m³
O339.96 µg/m³
NO233.74 µg/m³
SO24.72 µg/m³
CO332.92 µg/m³
NH32.13 µg/m³
NO3.89 µg/m³