Today | Weather | Monday, April 27, 2026

Weather in Meriden, Connecticut

06:00 PM
Now
Cloudy Weather
64° F
Feels Like 64°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 2
Humidity 38 %
Today
Sunny Weather
Day 72°
Night 39°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

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.

Meriden Weather Forecast Updated

8 seconds ago
Last updated on

Air Quality in Meriden

NOW
110 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 17.51 µg/m³
PM10 20.08 µg/m³
O3 0.073 ppm
NO2 3.5 ppb
SO2 0.8 ppb
CO 0.19 ppm
NH3 0.45 µg/m³
NO 0.7 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:

Members of sensitive groups may experience health effects. The general public is not likely to be affected.

Show raw pollutant concentrations (µg/m³)
PM2.517.51 µg/m³
PM1020.08 µg/m³
O3143.57 µg/m³
NO26.53 µg/m³
SO22.16 µg/m³
CO212.89 µg/m³
NH30.45 µg/m³
NO0.7 µg/m³