Today | Weather | Friday, February 6, 2026

Weather in Hartford, Connecticut

02:12 AM
Now
Cloudy Night
F
Feels Like
Precipitation 0 %
Wind 5 mph
Humidity 89 %
Today
Cloudy Weather
Day 30°
Night 19°
Precipitation 1 %
Wind 5 mph
UV Index (0 - 11+) 1

Hartford Weather Forecast Updated

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

Day

30°

Night

28°

Wind

4 mph

UV Index

1

Precipitation

100 %

Air Quality in Hartford

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

Pollutant Concentrations:

PM2.5 14.15 µg/m³
PM10 17.32 µg/m³
O3 0.020 ppm
NO2 15.9 ppb
SO2 1.1 ppb
CO 0.30 ppm
NH3 1.69 µg/m³
NO 2.6 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)
PM2.514.15 µg/m³
PM1017.32 µg/m³
O338.71 µg/m³
NO229.91 µg/m³
SO22.92 µg/m³
CO339.97 µg/m³
NH31.69 µg/m³
NO2.6 µg/m³