Today | Weather | Thursday, February 26, 2026

Active Weather Warnings

Special Weather Statement

Weather in Danbury, Connecticut

01:16 AM

Now

19° F

Feels Like 21°

Precipitation 0 %

Wind 2 mph

Humidity 80 %

Today

Day 39°

Night 10°

Precipitation 19 %

Wind 6 mph

UV Index (0 - 11+) 2

FROST FORECAST

Overnight Frost 12 AM – 1 AM

Tomorrow Morning Frost 12 AM – 9 AM

Danbury Weather Forecast Updated

6 minutes ago

Last updated on February 26, 2026 at 1:09 AM

Air Quality in Danbury

NOW

39 AQI

Good air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 9.42 µg/m³

PM₁₀ 11.89 µg/m³

O₃ 0.036 ppm

NO₂ 8.8 ppb

SO₂ 0.9 ppb

CO 0.22 ppm

NH₃ 0.4 µg/m³

NO 0 µg/m³

PM_2.5 – 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)

PM_2.5 – 9.42 µg/m³

PM₁₀ – 11.89 µg/m³

O₃ – 70.72 µg/m³

NO₂ – 16.59 µg/m³

SO₂ – 2.24 µg/m³

CO – 248.56 µg/m³

NH₃ – 0.4 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Danbury

Moderate Expected Observed

Special Weather Statement

Special Weather Statement issued February 25 at 11:52PM EST by NWS Upton NY

Feb 25, 11:52 PM → Feb 26, 3:00 AM

Showers are currently moving through southern CT. This
precipitation is falling as freezing rain in some locations where
surface temperatures have dropped below freezing. A glaze of ice
is possible which could cause slick conditions.

Use caution if traveling tonight and leave extra room between you
and the car in front of you.

Updated: Feb 26, 1:09 AM Source: NWS Alert