Today | Weather | Wednesday, June 10, 2026

Weather in Waterbury, Connecticut

01:46 PM
Now
Cloudy Weather
82° F
Feels Like 86°
Precipitation 40 %
Wind 9 mph
UV Index (0 - 11+) 3
Humidity 59 %
Today
Sunny with a Chance of Thunderstorms
Day 86°
Night 66°
Precipitation 70 %
Wind 7 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

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.

Waterbury Weather Forecast Updated

30 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 10, 2025)
Sunny with a Chance of Thunderstorms

Day

73°

Night

55°

Wind

4 mph

UV Index

2

Precipitation

100 %

Air Quality in Waterbury

NOW
45 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 7.6 µg/m³
PM10 13.42 µg/m³
O3 0.049 ppm
NO2 2.3 ppb
SO2 0.8 ppb
CO 0.12 ppm
NH3 0.4 µg/m³
NO 0.3 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)
PM2.57.6 µg/m³
PM1013.42 µg/m³
O396.28 µg/m³
NO24.28 µg/m³
SO22 µg/m³
CO131.84 µg/m³
NH30.4 µg/m³
NO0.3 µg/m³