Today | Weather | Wednesday, September 3, 2025

Weather in Stamford, Connecticut

01:48 AM
Now
Cloudy NightCloudy night, overcast skies at night with no rain.
59° F
Feels Like 61°
Precipitation 0 %
Wind 2 mph
Humidity 97 %
Today
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 75°
Night 61°
Precipitation 1 %
Wind 7 mph
UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Other:

Mostly bright and clear and nice.

Stamford Weather Forecast Updated

57 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (September 3, 2024)

NightNighttime, with dark skies and stars or a moon visible.

Day

73°

Night

55°

Wind

6 mph

Precipitation

0

Air quality in Stamford

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

Pollutant Concentrations:

PM2.5 15.41 µg/m³
PM10 18.01 µg/m³
O₃ 23.38 ppb
NO₂ 18.55 ppb
SO₂ 1.48 ppb
CO 236.04 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.