Today | Weather | Friday, May 8, 2026

Weather in Stamford, Connecticut

07:21 PM
Now
Partly Sunny with Showers
55° F
Feels Like 52°
Precipitation 53 %
Wind 9 mph
UV Index (0 - 11+) 1
Humidity 52 %
Today
Partly Sunny with Showers
Day 61°
Night 48°
Precipitation 60 %
Wind 10 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.

Stamford Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 8, 2025)
Sunny with a Chance of Thunderstorms

Day

77°

Night

55°

Wind

4 mph

UV Index

9

Precipitation

89 %

Air Quality in Stamford

NOW
49 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.63 µg/m³
PM10 4.68 µg/m³
O3 0.053 ppm
NO2 4.1 ppb
SO2 0.7 ppb
CO 0.15 ppm
NH3 1.63 µg/m³
NO 0.37 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)
PM2.53.63 µg/m³
PM104.68 µg/m³
O3104.19 µg/m³
NO27.73 µg/m³
SO21.76 µg/m³
CO169.41 µg/m³
NH31.63 µg/m³
NO0.37 µg/m³