Today | Weather | Wednesday, June 10, 2026

Weather in Hartford, Connecticut

01:45 PM
Now
Cloudy Weather
84° F
Feels Like 88°
Precipitation 17 %
Wind 12 mph
UV Index (0 - 11+) 3
Humidity 57 %
Today
Partly Sunny with Showers
Day 86°
Night 66°
Precipitation 49 %
Wind 9 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

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.

Hartford Weather Forecast Updated

25 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

72°

Night

57°

Wind

4 mph

UV Index

2

Precipitation

97 %

Air Quality in Hartford

NOW
47 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 8.21 µg/m³
PM10 15.9 µg/m³
O3 0.051 ppm
NO2 1.9 ppb
SO2 0.7 ppb
CO 0.11 ppm
NH3 0.36 µg/m³
NO 0.29 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)
PM2.58.21 µg/m³
PM1015.9 µg/m³
O3100.04 µg/m³
NO23.52 µg/m³
SO21.96 µg/m³
CO125.72 µg/m³
NH30.36 µg/m³
NO0.29 µg/m³